Balanced arm rotating shaft mechanism of surgical shadowless lamp

Abstract

The utility model discloses a kind of operating shadowless lamp balanced arm rotating shaft mechanisms, it is related to medical instrument equipment technical field, including wall, fixed base, connecting block and mounting base, further include: first fixed component, set on the fixed base;Second fixed component, set on the mounting base;Third fixed component, set on the mounting base, with the second fixed component cooperation, so that the installation and disassembly of connecting block are more convenient and fast;Lifting assembly, set on the fixed base;Balanced arm component, set on the connecting block.Through third fixed component, second fixed component cooperation, so that balanced arm component is installed on connecting block more firm, and so that balanced arm component is more simply disassembled from connecting block.Through balanced arm component and first fixed component, lifting assembly cooperation to realize to mounting base lifting, reduce the height of balanced arm component, more conveniently balanced arm component is disassembled from mounting base.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument equipment technical field especially, relate to a kind of operation shadowless lamp balanced arm rotating shaft mechanism. BACKGROUND

[0002] Operation shadowless lamp is the angle of lamp or the angle of polishing reflecting surface is adjusted into a ring-shaped illumination, to reach the dark shadow or dead angle formed by the structure of irradiation site, become the effect of the picture with uniform brightness, provide the special equipment of illumination for surgical area, the cantilever system of hole type shadowless lamp can rotate 360 ° around base. Lamp head can swing up and down, swing range is 15 ° above horizontal line to 45 ° below horizontal line. Hole type shadowless lamp is the product of 1970s, in its working range, shadowless lamp cannot be positioned to the arbitrary position required. Hole type shadowless lamp gathers the light of each group of light sources to a point by simultaneously pulling pull rod connected on each light source, to further achieve the effect of weakening shadow. Each hole of hole type lamp has a group of light sources, and the light source is mainly composed of incandescent bulb, reflecting bowl, heat-insulating glass, white glass for protecting heat-insulating glass and the like.

[0003] The rotating shaft structure of the balanced arm of the current operation shadowless lamp is complex, and it is difficult to disassemble from the wall, which increases the difficulty of maintaining the rotating shaft of the balanced arm, and when the shadowless lamp is damaged and needs to be replaced, the shadowless lamp cannot be lowered due to its high position, so that the replacement of the shadowless lamp is difficult. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims at providing a kind of operation shadowless lamp balanced arm rotating shaft mechanism, to solve the above technical problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A kind of operation shadowless lamp balanced arm rotating shaft mechanism, including wall body, fixed base, connecting block and installation base, further comprising:

[0007] First fixed component, is set on the fixed base;

[0008] Second fixed component, is set on the installation base;

[0009] Third fixed component, is set on the installation base, cooperates with the second fixed component, so that the installation and disassembly of connecting block are more convenient and fast;

[0010] Lifting assembly, is set on the fixed base;

[0011] A balance arm assembly is arranged on the connecting block and cooperates with the first fixing assembly and the lifting assembly, so that the mounting base can be lowered to facilitate disassembly of the connecting block, thereby facilitating maintenance.

[0012] Preferably, the first fixing assembly comprises:

[0013] A first groove is arranged on the fixing base, and the first groove is fixedly connected with the fixing base.

[0014] A first driving motor is arranged on the first groove, and the first driving motor is fixedly connected with the first groove.

[0015] A lead screw is arranged on the output shaft of the first driving motor, and the lead screw is fixedly connected with the output shaft of the first driving motor.

[0016] A limiting block is arranged on the lead screw, and the limiting block is fixedly connected with the lead screw and slidably connected with the first groove.

[0017] A second groove is arranged on the mounting base, and the second groove is fixedly connected with the mounting base.

[0018] Preferably, the second fixing assembly comprises:

[0019] A third groove is arranged on the connecting block, and the third groove is fixedly connected with the connecting block.

[0020] A fixing block is arranged on the mounting base, and the fixing block is slidably connected with the mounting base and slidably connected with the third groove.

[0021] A left pull rod is arranged on the mounting base, and the left pull rod is slidably connected with the mounting base and fixedly connected with the fixing block.

[0022] A right pull rod is arranged on the mounting base, and the right pull rod is slidably connected with the mounting base and fixedly connected with the fixing block.

[0023] A first spring is arranged on the mounting base, and the first spring is fixedly connected with the mounting base and the fixing block.

[0024] A handle is arranged on the left pull rod and the right pull rod, and the handle is rotatably connected with the left pull rod and the right pull rod.

[0025] Preferably, the third fixing assembly comprises:

[0026] A fourth groove is arranged on the connecting block, and the fourth groove is fixedly connected with the connecting block.

[0027] A fixed plate is arranged on the second groove, and the fixed plate is in sliding connection with the second groove, and the fixed plate is in contact connection with the limiting block.

[0028] A fixed column is arranged on the fixed plate, and the fixed column is in fixed connection with the fixed plate, and the fixed column is in sliding connection with the fourth groove.

[0029] A second spring is arranged on the fixed base, and the second spring is in fixed connection with the fixed base, and the second spring is in fixed connection with the fixed plate.

[0030] Preferably, the lifting assembly comprises:

[0031] A fifth groove is arranged on the fixed base, and the fifth groove is in fixed connection with the wall body.

[0032] A second drive motor is arranged in the fifth groove, and the second drive motor is in fixed connection with the fifth groove.

[0033] A rotating shaft is arranged on the output shaft of the second drive motor, and the rotating shaft is in fixed connection with the output shaft of the second drive motor.

[0034] A rope winding device is arranged on the rotating shaft, and the rope winding device is in fixed connection with the rotating shaft.

[0035] A steel wire rope is arranged on the rope winding device, and the steel wire rope is in fixed connection with the rope winding device.

[0036] A tether ring is arranged on the fixed base, and the tether ring is in fixed connection with the fixed base, and the tether ring is in fixed connection with the steel wire rope.

[0037] Preferably, the balance arm assembly comprises:

[0038] A main shaft is arranged on the connecting block, and the connecting block is in fixed connection with the main shaft.

[0039] A shaft sleeve is arranged on the main shaft, and the shaft sleeve is in rolling connection with the main shaft.

[0040] A first pneumatic telescopic rod is arranged on the shaft sleeve, and the first pneumatic telescopic rod is in fixed connection with the shaft sleeve.

[0041] A second pneumatic telescopic rod is arranged on the first pneumatic telescopic rod, and the second pneumatic telescopic rod is in fixed connection with the first pneumatic telescopic rod.

[0042] A rotating block is arranged on the second pneumatic telescopic rod, and the rotating block is in rolling connection with the second pneumatic telescopic rod.

[0043] A lamp holder is arranged on the rotating block, and the lamp holder is fixedly connected with the rotating block.

[0044] An LED shadowless lamp is arranged on the lamp holder, and the LED shadowless lamp is rollingly connected with the lamp holder.

[0045] Preferably, the second fixing assembly and the third fixing assembly are respectively two groups, and the second fixing assembly and the third fixing assembly are symmetrically distributed on the mounting base.

[0046] Preferably, the lifting assembly is two groups, and the lifting assembly is symmetrically distributed on the mounting base.

[0047] Preferably, the balancing arm assembly is two groups, and the balancing arm assembly is symmetrically distributed on the main shaft.

[0048] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0049] 1. The third fixing assembly cooperates with the second fixing assembly to make the balancing arm assembly more firmly installed on the connecting block, and the balancing arm assembly is more easily disassembled from the connecting block.

[0050] 2. The balancing arm assembly cooperates with the first fixing assembly and the lifting assembly to realize the lifting of the mounting base, thereby reducing the height of the balancing arm assembly and more conveniently disassembling the balancing arm assembly from the mounting base. BRIEF DESCRIPTION OF DRAWINGS

[0051] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0052] Figure 1 A three-dimensional structure schematic diagram of a surgical shadowless lamp balancing arm rotating shaft mechanism is shown.

[0053] Figure 2 A partial structure schematic diagram of a surgical shadowless lamp balancing arm rotating shaft mechanism is shown.

[0054] Figure 3 A partial structure schematic diagram of a surgical shadowless lamp balancing arm rotating shaft mechanism is shown. Figure 2 A partial structure enlarged schematic diagram of part A is shown.

[0055] Figure 4 A partial structure enlarged schematic diagram of part B is shown. Figure 2 A partial structure enlarged schematic diagram of part B is shown.

[0056] Figure 5 Another partial structure schematic view of a surgical shadowless lamp balanced arm rotating shaft mechanism is shown.

[0057] Figure 6 Another partial structure schematic view of a surgical shadowless lamp balanced arm rotating shaft mechanism is shown. Figure 5 Another partial structure schematic view of a surgical shadowless lamp balanced arm rotating shaft mechanism is shown.

[0058] Legend:

[0059] 1, wall; 2, fixed base; 3, connecting block; 4, mounting base; 5, first recess; 6, first drive motor; 7, screw rod; 8, limiting block; 9, second recess; 10, third recess; 11, fixed block; 12, left pull rod; 13, right pull rod; 14, first spring; 15, handle; 16, fourth recess; 17, fixed plate; 18, fixed column; 19, second spring; 20, fifth recess; 21, second drive motor; 22, rotating shaft; 23, rope winding device; 24, steel wire rope; 25, tether ring; 26, main shaft; 27, shaft sleeve; 28, first pneumatic telescopic rod; 29, second pneumatic telescopic rod; 30, rotating block; 31, lamp holder; 32, LED shadowless lamp. DETAILED DESCRIPTION

[0060] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0061] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0062] It should be understood that when an element, or components, is referred to as being "on" another element, or components, it can be directly on another element or intervening elements can also be present. In contrast, when an element is referred to as being "connected," it is not necessarily directly connected to the other element or components. The term "comprising" is used herein to mean including the elements or components identified, but that it does not exclude the presence of other elements or components. The term "coupled" is used herein to refer to the direct or indirect connection between or among the elements, components, or components, which can mean that other elements, components or components intervene between them. The term "providing" is used herein to mean providing the elements or components identified, but that it does not exclude the presence of other elements or components. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0063] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0064] Referring to Figures 1 to 6 Further description of the utility model of a surgical shadowless lamp balanced arm rotating shaft mechanism embodiment.

[0065] A surgical shadowless lamp balanced arm rotating shaft mechanism, comprising a wall body 1, a fixed base 2, a connecting block 3 and a mounting base 4, further comprising:

[0066] The first fixed assembly is arranged on the fixed base 2, the first fixed assembly has two groups, and the first fixed assembly is symmetrically distributed on the fixed base 2, and the first fixed assembly comprises:

[0067] The first recess 5 is arranged on the fixed base 2, and the first recess 5 is fixedly connected with the fixed base 2;

[0068] The first drive motor 6 is arranged on the first recess 5, and the first drive motor 6 is fixedly connected with the first recess 5;

[0069] The lead screw 7 is arranged on the output shaft of the first drive motor 6, and the lead screw 7 is fixedly connected with the output shaft of the first drive motor 6;

[0070] The limiting block 8 is arranged on the lead screw 7, and the limiting block 8 is fixedly connected with the lead screw 7, and the limiting block 8 is slidably connected with the first recess 5;

[0071] The second recess 9 is arranged on the mounting base 4, and the second recess 9 is fixedly connected with the mounting base 4.

[0072] The first driving motor 6 drives the output shaft of the first driving motor 6 to rotate, and drives the lead screw 7 fixedly connected with the output shaft of the first driving motor 6 to rotate, so as to drive the limiting block 8 threadedly connected with the lead screw 7 to rotate. Since the limiting block 8 is limited to rotate by the second groove 9 connected therewith, the limiting block 8 can only move along the second groove 9 until the limiting block 8 is separated from the second limiting groove, so that the mounting base 4 is separated from the constraint of the first fixed assembly, facilitating subsequent work.

[0073] With reference to Figures 1 to 6 The second fixed assembly is provided on the mounting base 4, and the second fixed assembly has two groups and is symmetrically distributed on the mounting base 4. The second fixed assembly comprises:

[0074] The third groove 10 is provided on the connecting block 3, and the third groove 10 is fixedly connected with the connecting block 3;

[0075] The fixed block 11 is provided on the mounting base 4, and the fixed block 11 is slidably connected with the mounting base 4. The fixed block 11 is slidably connected with the third groove 10;

[0076] The left pull rod 12 is provided on the mounting base 4, and the left pull rod 12 is slidably connected with the mounting base 4. The left pull rod 12 is fixedly connected with the fixed block 11;

[0077] The right pull rod 13 is provided on the mounting base 4, and the right pull rod 13 is slidably connected with the mounting base 4. The right pull rod 13 is fixedly connected with the fixed block 11;

[0078] The first spring 14 is provided on the mounting base 4, and the first spring 14 is fixedly connected with the mounting base 4. The first spring 14 is fixedly connected with the fixed block 11;

[0079] The handle 15 is provided on the left pull rod 12 and the right pull rod 13, and the handle 15 is rotatably connected with the left pull rod 12 and the right pull rod 13.

[0080] The handle 15 is pulled outward, and the handle 15 moves outward to drive the left pull rod 12 and the right pull rod 13 rotatably connected with the handle 15 to move outward, so as to drive the fixed block 11 fixedly connected with the left pull rod 12 and the right pull rod 13 to move outward until the fixed block 11 is separated from the third groove 10, so that the connecting block 3 is completely separated from the limitation, and the balance arm assembly fixedly connected with the connecting block 3 is completely separated from the limitation.

[0081] With reference to Figures 1 to 6, third fixed assembly, set on the mounting base 4, and cooperate with the second fixed assembly, so that the installation and removal of the connecting block 3 is more convenient and fast, the third fixed assembly has two groups, and the third fixed assembly is symmetrically distributed on the mounting base 4, the third fixed assembly comprises:

[0082] Fourth groove 16, provided on the connecting block 3, the fourth groove 16 is fixedly connected with the connecting block 3;

[0083] Fixed plate 17, provided on the second groove 9, the fixed plate 17 is in sliding connection with the second groove 9, the fixed plate 17 is in contact with the limiting block 8;

[0084] Fixed column 18, provided on the fixed plate 17, the fixed column 18 is fixedly connected with the fixed plate 17, the fixed column 18 is in sliding connection with the fourth groove 16;

[0085] Second spring 19, provided on the fixed base 2, the second spring 19 is fixedly connected with the fixed base 2, the second spring 19 is fixedly connected with the fixed plate 17.

[0086] Losing the pressure of the limiting block 8, the fixed plate 17 moves outward under the elastic force released by the second spring 19 fixedly connected with the fixed plate 17, so as to drive the fixed column 18 fixedly connected with the fixed plate 17 to move outward until it is separated from the second limiting groove, facilitating subsequent operation.

[0087] Through the cooperation of the third fixed assembly and the second fixed assembly, the balance arm assembly is more firmly installed on the connecting block 3, and the balance arm assembly is more simply disassembled from the connecting block 3.

[0088] Referring to Figures 1 to 6 Lifting assembly, provided on the fixed base 2, the lifting assembly has two groups, and the lifting assembly is symmetrically distributed on the fixed base 2, the lifting assembly comprises:

[0089] Fifth groove 20, provided on the fixed base 2, the fifth groove 20 is fixedly connected with the wall 1;

[0090] Second drive motor 21, provided in the fifth groove 20, the second drive motor 21 is fixedly connected with the fifth groove 20;

[0091] Rotary shaft 22, provided on the output shaft of the second drive motor 21, the rotary shaft 22 is fixedly connected with the output shaft of the second drive motor 21;

[0092] Rope winding device 23, provided on the rotary shaft 22, the rope winding device 23 is fixedly connected with the rotary shaft 22;

[0093] Steel wire rope 24, provided on the winding rope device 23, the steel wire rope 24 is fixedly connected with the winding rope device 23;

[0094] Tether ring 25, provided on the fixed base 2, the tether ring 25 is fixedly connected with the fixed base 2, and the tether ring 25 is fixedly connected with the steel wire rope 24.

[0095] Referring to Figures 1 to 6 , the second drive motor 21 is started, the output shaft of the second drive motor 21 rotates to drive the rotating shaft 22 fixedly connected with the output shaft of the second drive motor 21 to rotate, thereby driving the winding rope device 23 fixedly connected with the rotating shaft 22 to rotate, the winding rope device 23 rotates to drive the steel wire rope 24 fixedly connected with the winding rope device 23 to rotate, the steel wire rope 24 rotates to make the steel wire rope 24 not wound on the winding rope device 23 move downward, thereby driving the tether ring 25 fixedly connected with the steel wire rope 24 to move downward, the tether ring 25 moves downward to drive the mounting base 4 fixedly connected with the tether ring 25 to move downward, facilitating subsequent operation.

[0096] Balancing arm assembly, provided on the mounting base 4, cooperates with the first fixed assembly and the lifting assembly, so that the mounting base 4 can be lowered down, facilitating disassembly of the connecting block 3, thereby making maintenance more convenient, the balancing arm assembly has two groups, and the balancing arm assembly is symmetrically distributed on the main shaft 26, the balancing arm assembly comprises:

[0097] Main shaft 26, provided on the connecting block 3, the connecting block 3 is fixedly connected with the main shaft 26;

[0098] Shaft sleeve 27, provided on the main shaft 26, the shaft sleeve 27 is rolling connected with the main shaft 26;

[0099] First pneumatic telescopic rod 28, provided on the shaft sleeve 27, the first pneumatic telescopic rod 28 is fixedly connected with the shaft sleeve 27;

[0100] Second pneumatic telescopic rod 29, provided on the first pneumatic telescopic rod 28, the second pneumatic telescopic rod 29 is fixedly connected with the first pneumatic telescopic rod 28;

[0101] Rotating block 30, provided on the second pneumatic telescopic rod 29, the rotating block 30 is rolling connected with the second pneumatic telescopic rod 29;

[0102] Lamp holder 31, provided on the rotating block 30, the lamp holder 31 is fixedly connected with the rotating block 30;

[0103] LED shadowless lamp 32, provided on the lamp holder 31, the LED shadowless lamp 32 is rolling connected with the lamp holder 31.

[0104] The first pneumatic telescopic rod 28 is started to be elongated, so that the second pneumatic telescopic rod 29 is moved outward, the first pneumatic telescopic rod 28 is closed at a specified position, the second pneumatic telescopic rod 29 is started to be elongated, so that the rotating block 30 connected with the second pneumatic telescopic rod 29 is moved downward, the lamp holder 31 fixedly connected with the rotating block 30 is moved downward, so that the LED shadowless lamp 32 connected with the lamp holder 31 is moved downward, when the LED shadowless lamp 32 moves to a specified position, the second pneumatic telescopic rod 29 is closed, the purpose of adjusting the position of the LED shadowless lamp 32 is achieved, since the LED shadowless lamp 32 is connected with the lamp holder 31 in a rolling mode, the angle of the LED shadowless lamp 32 can be freely adjusted.

[0105] The balancing arm assembly is matched with the first fixing assembly and the lifting assembly to realize the lifting of the mounting base 4, the height of the balancing arm assembly is reduced, and the balancing arm assembly is more conveniently disassembled from the mounting base 4.

[0106] Working principle: refer to Figures 1 to 6, the first pneumatic telescopic rod 28 is started to make the first pneumatic telescopic rod 28 extend to drive the second pneumatic telescopic rod 29 to move outward to a specified position, the second pneumatic telescopic rod 29 is started to make the second pneumatic telescopic rod 29 extend to drive the rotating block 30 in rolling connection with the second pneumatic telescopic rod 29 to move downward, the rotating block 30 moving downward drives the lamp holder 31 in fixed connection with the rotating block 30 to move downward to drive the LED shadowless lamp 32 in rolling connection with the lamp holder 31 to move downward, when the LED shadowless lamp 32 moves to a specified position, the second pneumatic telescopic rod 29 is closed to achieve the purpose of adjusting the position of the LED shadowless lamp 32, since the LED shadowless lamp 32 is in rolling connection with the lamp holder 31, the angle of the LED shadowless lamp 32 can be freely adjusted, when the balance arm assembly needs to be maintained, the first drive motor 6 is started, the output shaft of the first drive motor 6 rotates to drive the screw rod 7 in fixed connection with the output shaft of the first drive motor 6 to rotate to drive the limiting block 8 in screw connection with the screw rod 7 to rotate, since the limiting block 8 is limited to rotate by the second groove 9 in sliding connection, the limiting block 8 can only move along the second groove 9, until the limiting block 8 is separated from the second limiting groove, so that the mounting base 4 is separated from the restraint of the first fixed assembly, and the fixed plate 17 loses the pressure applied by the limiting block 8, the fixed plate 17 moves outward under the elastic force released by the second spring 19 in fixed connection with the fixed plate 17 to drive the fixed column 18 in fixed connection with the fixed plate 17 to move outward, until the fixed column 18 is separated from the second limiting groove, the first drive motor 6 is closed and the second drive motor 21 is started, the output shaft of the second drive motor 21 rotates to drive the rotating shaft 22 in fixed connection with the output shaft of the second drive motor 21 to rotate to drive the rope winding device 23 in fixed connection with the rotating shaft 22 to rotate, the rope winding device 23 rotating drives the steel wire rope 24 in fixed connection with the rope winding device 23 to rotate, the steel wire rope 24 rotating makes the steel wire rope 24 not wound on the rope winding device 23 move downward to drive the tether ring 25 in fixed connection with the steel wire rope 24 to move downward, the tether ring 25 moving downward drives the mounting base 4 in fixed connection with the tether ring 25 to move downward, until the mounting base 4 moves to a suitable position, the second drive motor 21 is closed, the handle 15 is pulled outward, the handle 15 moving outward drives the left pull rod 12 and the right pull rod 13 in rotational connection with the handle 15 to move outward to drive the fixed block 11 in fixed connection with the left pull rod 12 and the right pull rod 13 to move outward, until the fixed block 11 is separated from the third groove 10, so that the connecting block 3 is completely separated from the restraint, so that the balance arm assembly in fixed connection with the connecting block 3 is completely separated from the restraint, to achieve the purpose of disassembly, so that the balance arm assembly is more convenient and fast to maintain and replace.

[0107] The foregoing description of the embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A surgical shadowless lamp balanced arm rotating shaft mechanism, comprising a wall body (1), a fixed base (2), a connecting block (3) and a mounting base (4), characterized in that, Also includes: The first fixed component is arranged on the fixed base (2); The second fixed component is arranged on the mounting base (4); The third fixed component is arranged on the mounting base (4), and cooperates with the second fixed component, so that the mounting and dismounting of the connecting block (3) is more convenient and fast; Lifting assembly, arranged on the fixed base (2); The balance arm assembly is arranged on the connecting block (3), and cooperates with the first fixed component and the lifting assembly, so that the mounting base (4) can be lowered down, the connecting block (3) is convenient to dismount, and then the maintenance is more convenient.

2. A balanced arm swivel shaft mechanism for a surgical shadowless lamp according to claim 1, wherein The first fixed component includes: The first groove (5) is arranged on the fixed base (2), and the first groove (5) is fixedly connected with the fixed base (2); The first drive motor (6) is arranged on the first groove (5), and the first drive motor (6) is fixedly connected with the first groove (5); The lead screw (7) is arranged on the output shaft of the first drive motor (6), and the lead screw (7) is fixedly connected with the output shaft of the first drive motor (6); The limiting block (8) is arranged on the lead screw (7), and the limiting block (8) is fixedly connected with the lead screw (7), and the limiting block (8) is slidably connected with the first groove (5); The second groove (9) is arranged on the mounting base (4), and the second groove (9) is fixedly connected with the mounting base (4).

3. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 2, wherein The second fixed component includes: The third groove (10) is arranged on the connecting block (3), and the third groove (10) is fixedly connected with the connecting block (3); The fixed block (11) is arranged on the mounting base (4), and the fixed block (11) is slidably connected with the fixed base (2), and the fixed block (11) is slidably connected with the third groove (10); The left pull rod (12) is arranged on the mounting base (4), and the left pull rod (12) is slidably connected with the mounting base (4), and the left pull rod (12) is fixedly connected with the fixed block (11); The right pull rod (13) is arranged on the mounting base (4), and the right pull rod (13) is slidably connected with the mounting base (4), and the right pull rod (13) is fixedly connected with the fixed block (11); The first spring (14) is arranged on the mounting base (4), and the first spring (14) is fixedly connected with the mounting base (4), and the first spring (14) is fixedly connected with the fixed block (11); The handle (15) is arranged on the left pull rod (12) and the right pull rod (13), and the handle (15) is rotatably connected with the left pull rod (12), and the handle (15) is rotatably connected with the right pull rod (13).

4. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 3, wherein The third fixed component includes: The fourth groove (16) is arranged on the connecting block (3), and the fourth groove (16) is fixedly connected with the connecting block (3); The fixed plate (17) is arranged on the second groove (9), and the fixed plate (17) is in sliding connection with the second groove (9); the fixed plate (17) is in contact connection with the limiting block (8); The fixed column (18) is arranged on the fixed plate (17), and the fixed column (18) is in fixed connection with the fixed plate (17); the fixed column (18) is in sliding connection with the fourth groove (16); The second spring (19) is arranged on the fixed base (2), and the second spring (19) is in fixed connection with the fixed base (2); the second spring (19) is in fixed connection with the fixed plate (17).

5. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 4, wherein The lifting assembly comprises: The fifth groove (20) is arranged on the fixed base (2), and the fifth groove (20) is in fixed connection with the wall body (1); The second driving motor (21) is arranged in the fifth groove (20), and the second driving motor (21) is in fixed connection with the fifth groove (20); The rotating shaft (22) is arranged on the output shaft of the second driving motor (21), and the rotating shaft (22) is in fixed connection with the output shaft of the second driving motor (21); The rope winding device (23) is arranged on the rotating shaft (22), and the rope winding device (23) is in fixed connection with the rotating shaft (22); The steel wire rope (24) is arranged on the rope winding device (23), and the steel wire rope (24) is in fixed connection with the rope winding device (23); The tether ring (25) is arranged on the fixed base (2), and the tether ring (25) is in fixed connection with the fixed base (2); the tether ring (25) is in fixed connection with the steel wire rope (24).

6. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 5, wherein The balance arm assembly comprises: The main shaft (26) is arranged on the connecting block (3), and the connecting block (3) is in fixed connection with the main shaft (26); The shaft sleeve (27) is arranged on the main shaft (26), and the shaft sleeve (27) is in rolling connection with the main shaft (26); The first pneumatic telescopic rod (28) is arranged on the shaft sleeve (27), and the first pneumatic telescopic rod (28) is in fixed connection with the shaft sleeve (27); The second pneumatic telescopic rod (29) is arranged on the first pneumatic telescopic rod (28), and the second pneumatic telescopic rod (29) is in fixed connection with the first pneumatic telescopic rod (28); The rotating block (30) is arranged on the second pneumatic telescopic rod (29), and the rotating block (30) is in rolling connection with the second pneumatic telescopic rod (29); The lamp holder (31) is arranged on the rotating block (30), and the lamp holder (31) is in fixed connection with the rotating block (30); The LED shadowless lamp (32) is arranged on the lamp holder (31), and the LED shadowless lamp (32) is in rolling connection with the lamp holder (31).

7. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 6, wherein The second fixing assembly and the third fixing assembly are respectively two groups, and the second fixing assembly and the third fixing assembly are respectively symmetrically distributed on the mounting base (4).

8. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 7, wherein The lifting assembly comprises: The lifting assembly comprises:

9. A balanced arm swivel shaft mechanism for a surgical shadowless light according to claim 8, wherein, The counterbalance arm assemblies are in two groups and are symmetrically distributed on the main shaft (26).

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