Six-degree-of-freedom treatment bed

Abstract

The utility model discloses a six-degree-of-freedom treatment bed, which relates to the field of medical equipment and specifically comprises a treatment bed board, and a longitudinal and transverse rotating mechanism, a longitudinal and transverse translation mechanism, a vertical lifting mechanism and a vertical rotating base which are sequentially arranged at the bottom of the treatment bed board from top to bottom, the vertical rotating base can rotate around the vertical direction; the vertical rotating base comprises a fixed bottom plate; the vertical lifting mechanism can move in the vertical direction. The second support assembly is fixedly connected with the first support; the longitudinal and transverse translation mechanism can move in the longitudinal direction and / or the transverse direction. The longitudinal and transverse translation mechanism comprises a third support, and the third support is connected with the double-shear-fork mechanism. The longitudinal and transverse rotating mechanism can rotate in the longitudinal direction and / or the transverse direction. The longitudinal and transverse rotating mechanism comprises a fourth support, and the fourth support is fixedly connected with the upper panel; the longitudinal rotating assembly is fixedly connected with the treatment bed board; the treatment bed plate can be flexibly adjusted through six degrees of freedom.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical equipment, concretely relates to a six degrees of freedom treatment bed. BACKGROUND

[0002] With the rapid development of tumor radiotherapy physics technology and computer application technology, radiotherapy has become an important means of treating tumors. The trend of radiotherapy develops from ordinary radiotherapy to precise radiotherapy, which requires to ensure the motion performance and motion accuracy of the radiotherapy bed.

[0003] But when the tumor patients are treated, the positioning error is caused by the insufficient flexibility of the treatment bed adjustment, the experience of medical staff and other factors, at this time, radiotherapy may be performed, and part of the target area may be outside the field, and part of the surrounding normal tissue organs enter the field, so that precise radiotherapy cannot be performed, and the radiotherapy effect is reduced and the surrounding normal tissue organs are damaged.

[0004] In addition, the adjustment of the existing adjustable treatment bed is not flexible, and the adjustment range is small, and the adjustment is not in place, so that the expected effect cannot be achieved. INVENTION CONTENTS

[0005] The utility model provides a six degrees of freedom treatment bed to solve the problem of the existing treatment bed adjustment inflexibility.

[0006] The six degrees of freedom treatment bed of the utility model adopts the following technical scheme: the device includes: treatment bed plate and longitudinal and lateral rotation mechanism, longitudinal and lateral translation mechanism, vertical lifting mechanism, vertical rotation base arranged in the bottom of the treatment bed plate from top to bottom;

[0007] The vertical rotation base can rotate around the vertical direction; the vertical rotation base includes a fixed bottom plate, a first gear connected to the fixed bottom plate, a second gear meshed with the first gear, a first motor providing power to the second gear, and a first support fixedly connected to the first gear;

[0008] The vertical lifting mechanism can move along the vertical direction; the vertical lifting mechanism includes a second support assembly, a double shear fork mechanism installed on the second support assembly and a lead screw driving assembly for controlling the lifting of the double shear fork mechanism; the second support assembly is fixedly connected with the first support;

[0009] The longitudinal and lateral translation mechanism can move along the longitudinal and / or lateral direction; the longitudinal and lateral translation mechanism includes a third support, a middle panel slidingly connected to the base in the lateral direction, an upper panel slidingly connected to the middle panel in the longitudinal direction, a lateral movement driving assembly for controlling the movement of the middle panel relative to the base in the lateral direction, and a longitudinal movement driving assembly for controlling the movement of the upper panel relative to the middle panel in the longitudinal direction; the third support is connected with the double shear fork mechanism;

[0010] The longitudinal and transverse rotating mechanism can rotate around the longitudinal and / or transverse directions; the longitudinal and transverse rotating mechanism comprises a fourth support, a transverse rotating assembly rotatably connected with the fourth support around the transverse direction, a longitudinal rotating assembly rotatably connected with the transverse rotating assembly around the longitudinal direction, a transverse rotating driving assembly for controlling the transverse rotating assembly to rotate around the transverse direction relative to the fourth support, and a longitudinal rotating driving assembly for controlling the longitudinal rotating assembly to rotate around the longitudinal direction relative to the transverse rotating assembly; the fourth support is fixedly connected with the upper panel;

[0011] The longitudinal rotating assembly is fixedly connected with the treatment bed plate.

[0012] Preferably, the second support assembly comprises a second support with a sliding groove on both sides, a pair of fixed shaft seats arranged at one end of the second support, and a pair of sliding shaft seats arranged in the sliding groove; the bottom of the second support is fixedly connected with the first support;

[0013] The double scissor mechanism comprises a plurality of pairs of scissor arms and a plurality of scissor pins; the bottom ends of a pair of scissor arms at the bottom are rotatably connected with the fixed shaft seats, and the bottom ends of another pair of scissor arms at the bottom are rotatably connected with the sliding shaft seats; the top ends of a pair of scissor arms at the top are rotatably connected with a pair of fixed support seats, and the top ends of another pair of scissor arms at the top are rotatably connected with a pair of sliding support seats;

[0014] The lead screw driving assembly comprises a nut seat rotatably connected between the pair of scissor arms, a lead screw threadedly connected with the nut seat, and a second motor for driving the lead screw to rotate; one end of the lead screw is hingedly connected with the second support.

[0015] Preferably, the bottom of the third support is fixedly connected with the pair of fixed support seats and the pair of sliding support seats;

[0016] The transverse movement driving assembly comprises first guide rails arranged at both ends of the top of the third support, a first rack arranged at the bottom of the middle panel, a third gear meshingly connected with the first rack, and a third motor for driving the third gear to rotate;

[0017] The longitudinal movement driving assembly comprises second guide rails arranged at both sides of the top of the middle panel, a second rack arranged at the bottom of the upper panel, a fourth gear meshingly connected with the second rack, and a fourth motor for driving the fourth gear to rotate.

[0018] Preferably, two first arc-shaped guide holes are respectively formed in the two side walls of the fourth support;

[0019] The transverse rotating assembly comprises a middle frame, four first pulleys symmetrically arranged on the two side walls of the middle frame, and two second pulleys symmetrically arranged at both ends of the middle frame; the first pulleys are adaptively connected with the first arc-shaped guide holes;

[0020] The longitudinal rotation mechanism comprises an upper frame, four second arc-shaped guide holes symmetrically arranged at two ends of the upper frame and two arc-shaped racks symmetrically arranged at two ends of the upper frame; two second pulleys are adaptively connected with the two second arc-shaped guide holes;

[0021] The transverse rotation driving component assembly comprises an electric cylinder and a fifth motor for driving the electric cylinder to stretch and retract; one end of the electric cylinder is connected with the fourth support, and the other end of the electric cylinder is connected with the middle frame;

[0022] The longitudinal rotation driving component assembly comprises a fifth gear engaged with the arc-shaped racks and a sixth motor for driving the fifth gear to rotate.

[0023] Preferably, the longitudinal rotation driving component assembly further comprises two synchronous gears engaged with the two arc-shaped racks respectively, and the two synchronous gears are fixedly connected through a connecting rod; the connecting rod passes through the other two second arc-shaped guide holes and is adaptively connected with the two second arc-shaped guide holes.

[0024] Preferably, the upper frame is fixedly connected with the treatment bed plate.

[0025] Preferably, the treatment bed plate comprises a carbon fiber bed plate and metal handles arranged on two sides of the carbon fiber bed plate.

[0026] The beneficial effects of the present application compared with the prior art are:

[0027] 1、In the present application, one end of the lead screw driving component of the vertical lifting mechanism is hinged on the second support, and the other end is rotatably connected with the scissor arm. When the lead screw rotates, the nut seat can move along the axial direction of the lead screw, and the lifting stroke can be more than twice the stroke of the nut seat. At the same time, the nut seat is prevented from being subjected to excessive transverse force.

[0028] 2、In the present application, the transverse movement driving component and the longitudinal movement driving component of the longitudinal and transverse translation mechanism are arranged in the same transmission mode (motor-gear-rack), which is interchangeable and convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 It is a structural schematic view of the present application;

[0031] Figure 2 It is a structural schematic view of the vertical rotation base of the present application;

[0032] Figure 3 Structure diagram of vertical lifting mechanism of the utility model;

[0033] Figure 4 Structure diagram of vertical lifting mechanism of the utility model;

[0034] Figure 5 Structure diagram of vertical lifting mechanism of the utility model; Figure 4 Sectional view along longitudinal sectioning;

[0035] Figure 6 Structure diagram of vertical lifting mechanism of the utility model; Figure 4 Sectional view along transverse sectioning;

[0036] Figure 7 Exploded view of longitudinal and transverse rotating mechanism;

[0037] Figure 8 Structure diagram of longitudinal and transverse rotating mechanism;

[0038] Figure 9 Structure diagram of longitudinal and transverse rotating mechanism of the utility model; Figure 8 Side view of the utility model.

[0039] Explanation of reference signs

[0040] 1, vertical rotating base; 11, fixed bottom plate; 12, first gear; 13, second gear; 14, first motor; 15, first support;

[0041] 2, vertical lifting mechanism; 21, second support; 22, fixed shaft seat; 23, sliding shaft seat; 24, scissor arm; 25, scissor pin; 26, fixed support seat; 27, sliding support seat; 28, nut seat; 29, lead screw; 210, second motor;

[0042] 3, longitudinal and transverse translation mechanism; 31, third support; 32, middle panel; 33, upper panel; 34, first guide rail; 35, first rack; 36, third gear; 37, third motor; 38, second guide rail; 39, second rack; 310, fourth gear; 311, fourth motor;

[0043] 4, longitudinal and transverse rotating mechanism; 41, fourth support; 42, first arc-shaped guide hole; 43, middle frame; 44, first pulley; 45, second pulley; 46, upper frame; 47, second arc-shaped guide hole; 48, arc-shaped rack; 49, electric cylinder; 410, fifth motor; 411, fifth gear; 412, sixth motor; 413, synchronous gear;

[0044] 5, treatment bed plate; 51, carbon fiber bed plate; 52 metal handle. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0046] An embodiment of the six-degree-of-freedom treatment bed of the utility model, as shown in the figure, comprises a treatment bed plate 5 and a vertical rotation base 1, a vertical lifting mechanism 2, a longitudinal and lateral translation mechanism 3 and a longitudinal and lateral rotation mechanism 4 arranged in sequence from top to bottom at the bottom of the treatment bed plate 5. Figures 1 to 9

[0047] The vertical rotation base 1 can rotate around the vertical direction. The vertical rotation base 1 comprises a fixed bottom plate 11, a first gear 12 rotatably connected to the fixed bottom plate 11, a second gear 13 engaged with the first gear 12, a first motor 14 for providing power to the second gear 13 and a first support 15 fixedly connected to the first gear 12.

[0048] The vertical lifting mechanism 2 can move along the vertical direction. The vertical lifting mechanism 2 comprises a second support assembly, a double shear fork mechanism installed on the second support assembly and a lead screw driving assembly for controlling the lifting of the double shear fork mechanism. The second support assembly is fixedly connected to the first support 15.

[0049] The longitudinal and lateral translation mechanism 3 can move along the longitudinal and / or lateral directions. The longitudinal and lateral translation mechanism 3 comprises a third support 31, a middle panel 32 slidably connected to the base 31 in the lateral direction, an upper panel 33 slidably connected to the middle panel 32 in the longitudinal direction, a lateral movement driving assembly for controlling the movement of the middle panel 32 relative to the base 31 in the lateral direction, a longitudinal movement driving assembly for controlling the movement of the upper panel 33 relative to the middle panel 32 in the longitudinal direction. The third support 31 is connected to the double shear fork mechanism.

[0050] The longitudinal and lateral rotation mechanism 4 can rotate around the longitudinal and / or lateral directions. The longitudinal and lateral rotation mechanism 4 comprises a fourth support 41, a lateral rotation assembly rotatably connected to the fourth support 41 in the lateral direction, a longitudinal rotation assembly rotatably connected to the lateral rotation assembly in the longitudinal direction, a lateral rotation driving assembly for controlling the rotation of the lateral rotation assembly relative to the fourth support 41 in the lateral direction, a longitudinal rotation driving assembly for controlling the rotation of the longitudinal rotation assembly relative to the lateral rotation assembly in the longitudinal direction. The fourth support 41 is fixedly connected to the upper panel 33.

[0051] The longitudinal rotation assembly is fixedly connected to the treatment bed plate 5.

[0052] ​It should be noted that the vertical rotating base 1 provides a freedom of rotation around the vertical direction, the vertical lifting mechanism 2 provides a freedom of movement along the vertical direction, the longitudinal and lateral translation mechanism 3 provides a freedom of movement along the longitudinal direction and a freedom of movement along the lateral direction, the longitudinal and lateral rotating mechanism 4 provides a freedom of rotation around the longitudinal direction and a freedom of rotation around the lateral direction, and the total of six freedoms of adjustment are provided to the treatment bed plate 5.

[0053] It should be noted that the fixed base plate 11 is parallel to the first gear 12 and has a certain gap to avoid excessive friction.

[0054] In actual use, the first motor 14 drives the second gear 13 to rotate, the second gear 13 drives the first gear 12 to rotate, and the first support 15 fixedly connected to the first gear 12 rotates with the first gear 12.

[0055] The second support assembly includes a second support 21 with a sliding groove on both sides, a pair of fixed shaft seats 22 arranged at one end of the second support 21, and a pair of sliding shaft seats 23 arranged in the sliding groove; the bottom of the second support 21 is fixedly connected to the first support 15.

[0056] The double scissors mechanism includes a plurality of pairs of scissors arms 24 and a plurality of scissors pins 25; the bottom ends of the pair of scissors arms 24 at the bottom are rotatably connected to the fixed shaft seat 22, and the bottom ends of the other pair of scissors arms 24 at the bottom are rotatably connected to the sliding shaft seat 23; the top ends of the pair of scissors arms 24 at the top are rotatably connected to a pair of fixed support seats 26, and the top ends of the other pair of scissors arms 24 at the top are rotatably connected to a pair of sliding support seats 27.

[0057] The lead screw driving assembly includes a nut seat 28 rotatably connected between the pair of scissors arms 24, a lead screw 29 threadedly connected to the nut seat 28, a second motor 210 driving the lead screw 29 to rotate, and one end of the lead screw 29 being hingedly connected to the second support 21.

[0058] It should be noted that the nut seat 28 is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected between the pair of scissors arms 24, the nut seat 28 is rotatably connected between the pair of scissors arms 24 through the rotating shaft, and the lead screw 29 is inclined, and the low end of the lead screw 29 is hingedly connected to the second support 21.

[0059] It should be noted that the length of the lead screw 29 can meet the movement of the nut seat 28.

[0060] In actual use, the second motor 210 drives the screw rod 29 to rotate, and the nut seat 28 connected with the screw rod 29 moves along the axial direction of the screw rod 29, and the sliding shaft seat 23 can move freely along the sliding groove, thereby driving the pair of scissor arms 24 fixed to the nut seat 28 to rotate around the fixed shaft seat 22. At this time, the double scissor mechanism as a whole is vertically extended and retracted.

[0061] In the embodiment, the bottom of the third support 31 is fixedly connected with a pair of fixed support seats 26 and a pair of sliding support seats 27.

[0062] The transverse movement driving assembly comprises a first guide rail 34 arranged at the top of the two ends of the third support 31, a first rack 35 arranged at the bottom of the middle panel 32, a third gear 36 engaged with the first rack 35, and a third motor 37 driving the third gear 36 to rotate.

[0063] The longitudinal movement driving assembly comprises a second guide rail 38 arranged at the top of the two sides of the middle panel 33, a second rack 39 arranged at the bottom of the upper panel 33, a fourth gear 310 engaged with the second rack 39, and a fourth motor 311 driving the fourth gear 310 to rotate.

[0064] In the embodiment, it should be noted that the third support 31 is slidably connected with the middle panel 32 in the transverse direction through the first guide rail 34, and the middle panel 32 is slidably connected with the upper panel 33 in the longitudinal direction through the second guide rail 38.

[0065] In the embodiment, it should be noted that the first rack 35 is fixed at the bottom of the middle panel 32, and the second rack 39 is fixed at the bottom of the upper panel 33.

[0066] In actual use, the third motor 37 drives the third gear 36 to rotate, the rotation of the third gear 36 drives the movement of the first rack 35, so that the middle panel 32 moves relative to the third support 31 in the transverse direction; the fourth motor 311 drives the fourth gear 310 to rotate, the rotation of the fourth gear 310 drives the movement of the second rack 39, so that the upper panel 33 moves relative to the middle panel 32 in the longitudinal direction.

[0067] In the embodiment, two first arc-shaped guide holes 42 are formed in the two side walls of the fourth support 41 respectively.

[0068] The transverse rotation assembly comprises a middle frame 43, four first pulleys 44 symmetrically arranged on the two side walls of the middle frame 43, and two second pulleys 45 symmetrically arranged at the two ends of the middle frame 43; the first pulleys 44 are adaptively connected with the first arc-shaped guide holes 42.

[0069] The longitudinal rotation mechanism comprises an upper frame 46, four second arc-shaped guide holes 47 symmetrically arranged at two ends of the upper frame 46, and two arc-shaped racks 48 symmetrically arranged at the two ends of the upper frame 46; two second pulleys 45 are adaptively connected with the two second arc-shaped guide holes 47.

[0070] The transverse rotation driving component assembly comprises an electric cylinder 49 and a fifth motor 410 for driving the electric cylinder 49 to stretch and retract; one end of the electric cylinder 49 is connected with the fourth support 41, and the other end of the electric cylinder 49 is connected with the middle frame 43.

[0071] The longitudinal rotation driving component assembly comprises a fifth gear 411 engaged with the arc-shaped rack 48, and a sixth motor 412 for driving the fifth gear 411 to rotate.

[0072] It is to be noted that the electric cylinder 49 is in an inclined state, the high end of the electric cylinder 49 is connected with the middle frame 43, and the low end of the electric cylinder 49 is connected with the fourth support 41.

[0073] It is to be noted that the sixth motor 412 is fixed on the middle frame 43.

[0074] In actual use, the fifth motor 410 drives the electric cylinder 49 to stretch and retract, the stretching and retraction of the electric cylinder 49 drives the middle frame 43 to have a tendency to move relative to the fourth support 41, at the same time, the first arc-shaped guide hole 42 limits the movement of the middle frame 43, so that the middle frame 43 rotates around the transverse direction relative to the fourth support 41 along the first arc-shaped guide hole 42; the sixth motor 412 drives the fifth gear 411 to rotate, the rotation of the fifth gear 411 drives the arc-shaped rack 48 to rotate, so that the upper frame 46 rotates around the longitudinal direction relative to the middle frame 43.

[0075] The longitudinal rotation driving component assembly further comprises two synchronous gears 413 respectively engaged with the two arc-shaped racks 48, and the two synchronous gears 413 are fixedly connected through a connecting rod 413; the connecting rod 413 passes through the other two second arc-shaped guide holes 47 and is adaptively connected with the two second arc-shaped guide holes 47.

[0076] In actual use, the rotation of the arc-shaped rack 48 at the same end of the fifth gear 411 drives the rotation of the synchronous gear 413 at the same end, thereby driving the rotation of the other synchronous gear 413, thereby driving the rotation of the arc-shaped rack 48 at the other end, the whole process occurs at the same time, which enhances the stability of the rotation of the upper frame 46.

[0077] In this embodiment, the upper frame 46 is fixedly connected with the treatment bed plate 5.

[0078] It is to be noted that the upper frame 46 has six degrees of freedom.

[0079] In this embodiment, the treatment bed plate 5 comprises a carbon fiber bed plate 51 and metal handles 52 arranged on both sides of the carbon fiber bed plate 51.

[0080] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A six-degree-of-freedom treatment bed, characterized in that: It comprises a treatment bed plate (5) and a longitudinal and transverse rotation mechanism (4), a longitudinal and transverse translation mechanism (3), a vertical lifting mechanism (2), and a vertical rotation base (1) which are sequentially arranged on the bottom of the treatment bed plate (5) from top to bottom; The vertical rotating base (1) can rotate vertically; the vertical rotating base (1) comprises a fixed base plate (11), a first gear (12) rotatably connected to the fixed base plate (11), a second gear (13) meshing with the first gear (12), a first motor (14) providing power to the second gear (13), and a first support (15) fixedly connected to the first gear (12); The vertical lifting mechanism (2) can move vertically; the vertical lifting mechanism (2) comprises a second support assembly, a double scissor mechanism mounted on the second support assembly, and a screw drive assembly for controlling the lifting of the double scissor mechanism; the second support assembly is fixedly connected to the first support (15); The longitudinal and transverse translation mechanism (3) can move longitudinally and / or transversely; the longitudinal and transverse translation mechanism (3) comprises a third support (31), a middle panel (32) slidably connected to the third support (31) in the transverse direction, an upper panel (33) slidably connected to the middle panel (32) in the longitudinal direction, a transverse movement drive component for controlling the middle panel (32) to move transversely relative to the third support (31), and a longitudinal movement drive component for controlling the upper panel (33) to move longitudinally relative to the middle panel (32); the third support (31) is connected to the double scissor mechanism; The longitudinal and transverse rotation mechanism (4) can rotate longitudinally and / or transversely; the longitudinal and transverse rotation mechanism (4) comprises a fourth support (41), a transverse rotation component connected to the fourth support (41) for rotation in the transverse direction, a longitudinal rotation component connected to the transverse rotation component for rotation in the longitudinal direction, a transverse rotation drive component for controlling the transverse rotation component to rotate in the transverse direction relative to the fourth support (41), and a longitudinal rotation drive component for controlling the longitudinal rotation component to rotate in the longitudinal direction relative to the transverse rotation component; the fourth support (41) is fixedly connected to the upper panel (33); The longitudinal rotating assembly is fixedly connected to the treatment bed plate (5).

2. The six-degree-of-freedom treatment couch according to claim 1, characterized in that: The second support assembly comprises a second support (21) with slide grooves on both sides, a pair of fixed shaft seats (22) arranged at one end of the second support (21), and a pair of sliding shaft seats (23) arranged in the slide grooves; the bottom of the second support (21) is fixedly connected to the first support (15); The double scissor mechanism includes multiple pairs of scissor arms (24) and multiple scissor pins (25); the bottom ends of the pair of scissor arms (24) at the bottom are rotatably connected to the fixed shaft seat (22), and the bottom ends of the other pair of scissor arms (24) at the bottom are rotatably connected to the sliding shaft seat (23); the top ends of the pair of scissor arms (24) at the top are rotatably connected to a pair of fixed support seats (26), and the top ends of the other pair of scissor arms (24) at the top are rotatably connected to a pair of sliding support seats (27); The screw drive assembly includes a nut seat (28) rotatably connected between a pair of scissor arms (24), a screw (29) threadedly connected to the nut seat (28), and a second motor (210) driving the screw (29) to rotate, wherein one end of the screw (29) is hinged on the second support (21).

3. The six-degree-of-freedom treatment couch according to claim 2, characterized in that: The bottom of the third support (31) is fixedly connected to a pair of fixed support seats (26) and a pair of sliding support seats (27); The lateral movement drive assembly includes a first guide rail (34) provided at both ends of the top of the third support (31), a first rack (35) provided at the bottom of the middle panel (32), a third gear (36) meshingly connected to the first rack (35), and a third motor (37) driving the third gear (36) to rotate; The longitudinal movement drive assembly includes second guide rails (38) arranged on both sides of the top of the middle panel (32), a second rack (39) arranged at the bottom of the upper panel (33), a fourth gear (310) meshingly connected to the second rack (39), and a fourth motor (311) driving the fourth gear (310) to rotate.

4. The six-degree-of-freedom treatment couch according to claim 3, characterized in that: Two first arc-shaped guide holes (42) are respectively provided on the side walls of both sides of the fourth support (41); The transverse rotation assembly comprises a middle frame (43), four first pulleys (44) symmetrically arranged on the side walls of the middle frame (43), and two second pulleys (45) symmetrically arranged at both ends of the middle frame (43); the first pulley (44) is adaptively connected to the first arc-shaped guide hole (42); The longitudinal rotation mechanism includes an upper frame (46), four second arc-shaped guide holes (47) symmetrically arranged at both ends of the upper frame (46), and two arc-shaped racks (48) symmetrically arranged at both ends of the upper frame (46); two second pulleys (45) are adaptively connected to the two second arc-shaped guide holes (47); The transverse rotation drive component assembly includes an electric cylinder (49) and a fifth motor (410) for driving the electric cylinder (49) to extend and retract; one end of the electric cylinder (49) is connected to the fourth support (41), and the other end of the electric cylinder (49) is connected to the middle frame (43); The longitudinal rotation drive assembly comprises a fifth gear (411) meshingly connected to the arc-shaped rack (48) and a sixth motor (412) driving the fifth gear (411) to rotate.

5. The six-degree-of-freedom treatment couch according to claim 4, characterized in that: The longitudinal rotation drive assembly further comprises two synchronous gears (413) respectively meshed with the two arc-shaped racks (48), and the two synchronous gears (413) are fixedly connected via a connecting rod; the connecting rod passes through the other two second arc-shaped guide holes (47) and is adaptively connected to the two second arc-shaped guide holes (47).

6. The six-degree-of-freedom treatment couch according to claim 4, characterized in that: The upper frame (46) is fixedly connected to the treatment bed plate (5).

7. The six-degree-of-freedom treatment couch according to claim 1, characterized in that: The treatment bed plate (5) comprises a carbon fiber bed plate (51) and metal handles (52) arranged on both sides of the carbon fiber bed plate (51).

Images