Auxiliary treatment equipment for abdominal distension in digestive system department

Abstract

The utility model provides auxiliary treatment equipment for abdominal distension in the digestive system department, which comprises a fixed frame and a movable bracket, and the movable bracket is used for moving the auxiliary treatment equipment; the distance adjusting assembly is used for adjusting the distance between the two movable supports; the lifting device is connected to the bottom of the fixed frame; the treatment mechanism is connected to the bottom of the lifting device, the lifting device is used for adjusting the height of the treatment mechanism, and the treatment mechanism is used for carrying out auxiliary treatment on the abdominal distension patient. According to the auxiliary treatment device, the distance between the two movable supports can be adjusted through the distance adjusting assembly, so that the width of the auxiliary treatment device can be controlled, the auxiliary treatment device can be moved to bed bodies with different widths, the application range of the auxiliary treatment device is expanded, the treatment mechanism can rotate, and the treatment effect is improved. Therefore, the abdomen can be comprehensively massaged in various modes, the massage modes are increased, the massage effect is improved, and auxiliary treatment of human body abdominal distension is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of gastroenterology diagnostic and treatment devices, and in particular to an auxiliary treatment device for abdominal distension in gastroenterology. Background Technology

[0002] Gastroenterology is a clinical discipline that primarily studies diseases of the stomach, small intestine, large intestine, esophagus, liver, gallbladder, and pancreas. In actual clinical practice, gastroenterology involves a wide variety of diseases, requires extensive medical knowledge, and involves complex and precise procedures. Symptoms requiring gastroenterological treatment include acute abdominal pain, ascites, gastrointestinal bleeding, functional gastrointestinal disorders, esophagitis or diverticulum, esophageal or gastrointestinal tumors, as well as acute and chronic gastritis, peptic ulcers, gastric dilatation, foreign bodies in the stomach, and various viral hepatitis, biliary tract, pancreatic, peritoneal, and mesenteric diseases. A crucial tool in gastroenterology is the digestive endoscope, including common gastroscopy, colonoscopy, and capsule endoscopy, used for diagnosis and treatment.

[0003] In some patients with abdominal distension in the gastroenterology department, abdominal massage is needed to relieve the distension as an adjunct treatment. The authorized Chinese utility model patent "Announcement No.: CN212973321U, Title: An Auxiliary Treatment Device for Abdominal Distension in Gastroenterology" describes a massage structure. When a patient with abdominal distension needs massage, they lie flat on a bed. Moving the lifting column moves the connecting column, which in turn moves the ring to a suitable position. When used by someone with a smaller abdomen, sliding the slider on the connecting column moves the first latex pad through the cylinder. The rubber pad will gently massage the abdomen of a person with a small belly. When a person with a larger belly needs a massage, by rotating the rotating block on the surface of the ring, the rotating block will drive the ball joint formed by the ball and the second latex pad. At this time, through the ball joint, the second latex pad will fit tightly against the abdomen of the person with a larger belly, massaging the abdomen. However, although the above application can massage different sizes of belly, its massage principle is still to rotate the latex pad to massage the abdomen. The massage method is monotonous, and the whole thing is installed on the hospital bed, with a fixed size, which is not convenient to store and cannot be adapted to beds of different widths. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology in that the massage method is singular and it is difficult to contract and expand, and to provide an auxiliary treatment device for abdominal distension in the digestive medicine department.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] This utility model provides an auxiliary treatment device for abdominal distension in gastroenterology, including a fixing frame.

[0007] A movable support is provided on both sides of the fixed frame, and the movable support is used to move the auxiliary treatment device.

[0008] An adjustable distance assembly is installed on the top of a fixed frame and is connected to two movable supports respectively. The adjustable distance assembly is used to adjust the distance between the two movable supports.

[0009] A lifting device, wherein the lifting device is connected to the bottom of the fixed frame;

[0010] A treatment mechanism is connected to the bottom of a lifting device, the lifting device being used to adjust the height of the treatment mechanism, and the treatment mechanism being used for auxiliary treatment of patients with abdominal distension;

[0011] The treatment mechanism includes a fixed frame, a rotating component connected to the top of the fixed frame, the top of the rotating component being connected to the bottom of the lifting device, and a central massage component and a side massage component disposed in the inner cavity of the fixed frame, the central massage component and the side massage component being respectively connected to a synchronous drive component.

[0012] In this technical solution, the distance between the two movable supports can be adjusted using the adjustable distance component, thereby controlling the width of the auxiliary treatment device. This allows the auxiliary treatment device to be moved to beds of different widths, expanding its applicability. Furthermore, the treatment mechanism can be rotated, enabling comprehensive abdominal massage in multiple ways, increasing the number of massage methods, improving the massage effect, and facilitating the auxiliary treatment of abdominal distension.

[0013] Preferably, the movable support includes a fixed top plate, the bottom of which is connected to a plurality of support columns, the bottom ends of which are all connected to the top of a connecting plate, and the bottom of the connecting plate is equipped with a plurality of movable wheels.

[0014] In this technical solution, a mobile support can be used to support and move the auxiliary treatment equipment.

[0015] Preferably, the pitch adjustment assembly includes a central gear, which is rotatably connected to the bottom of the fixed frame, and movable racks are meshed on both sides of the central gear;

[0016] The two movable racks are respectively connected to a fixed top plate at opposite ends.

[0017] In this technical solution, the distance between the two movable supports can be adjusted using the distance adjustment component.

[0018] Preferably, the top of the central gear is connected to the output end of the pitch adjustment drive source, the pitch adjustment drive source is mounted on the inner wall of the top surface of the mounting bracket, and the mounting bracket is connected to the top of the fixed frame.

[0019] In this technical solution, the adjustable pitch drive source can be used to provide driving force for the rotation of the central gear.

[0020] Preferably, the rotating assembly includes a fixed frame connected to the bottom of the lifting device, and a rotation drive source is connected to the inner cavity of the fixed frame. The output end of the rotation drive source is connected to the top of the fixed frame.

[0021] In this technical solution, a rotating component can be used to rotate structures such as fixed frames.

[0022] Preferably, a fixing track ring is provided on the outer side of the fixing frame, and a plurality of fixing columns arranged in a ring array are connected to the inner side of the fixing track ring. The end of the fixing column away from the fixing track ring is connected to the side of the fixing frame.

[0023] The bottom side of the fixed track ring is rotatably connected to an anti-detachment rotating ring, which is connected to the top of the fixed frame.

[0024] In this technical solution, the fixed track ring and the anti-detachment rotation ring can provide support for the fixed frame shell, making the rotation of the fixed frame shell and other structures more stable.

[0025] Preferably, the bottom of the fixed frame is connected to an elastic protective cover.

[0026] In this technical solution, an elastic protective cover can be used to protect the human body and prevent injury during massage.

[0027] Preferably, the central massage assembly includes a rotating plate and massage rollers, with a plurality of massage rollers rotatably connected to the bottom surface of the rotating plate.

[0028] In this technical solution, a rotating massage ball can be used to massage the patient's abdomen.

[0029] Preferably, the side massage assembly includes a rotating shaft, and a plurality of rotating shafts arranged in a circular array are rotatably connected to the inner wall of the fixed frame. A plurality of eccentric massage wheels are connected to the surface of the rotating shaft, and the central axes of two adjacent eccentric massage wheels are not on the same horizontal straight line.

[0030] In this technical solution, a rotating eccentric massage wheel can be used to massage the patient's abdomen.

[0031] Preferably, the synchronous drive component includes a synchronous drive source, which is connected to the inner wall of the top surface of the synchronous drive source;

[0032] The output end of the synchronous drive source is connected to a central bevel gear, and the side of the central bevel gear is meshed with multiple edge bevel gears arranged in a ring array. The edge bevel gears are connected to one end of the rotating shaft.

[0033] The bottom of the central bevel gear is connected to a drive shaft, and the bottom end of the drive shaft is connected to the top of the rotating plate.

[0034] In this technical solution, the synchronous drive component can simultaneously provide driving force to the center massage component and the side massage component.

[0035] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0036] The positive and progressive effects of this utility model are as follows:

[0037] This invention utilizes an adjustable distance component to adjust the distance between two movable supports, thereby controlling the width of the auxiliary treatment device. This allows the auxiliary treatment device to be moved to beds of different widths, expanding its applicability. Furthermore, the treatment mechanism can rotate, enabling comprehensive abdominal massage in multiple ways, increasing the number of massage methods, improving the massage effect, and facilitating the auxiliary treatment of abdominal distension. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the structure of the gastroenterology abdominal distension auxiliary treatment device according to an embodiment of the present invention.

[0039] Figure 2 for Figure 1 The diagram shows the overall internal structure of the gastroenterology abdominal distension auxiliary treatment device.

[0040] Figure 3 for Figure 1 The diagram shows a top view of the adjustable component of the gastroenterology abdominal distension auxiliary treatment device.

[0041] Figure 4 for Figure 1 The diagram shows a top view of the stabilizing components of a gastroenterology abdominal distension adjunctive treatment device.

[0042] Figure 5 for Figure 1 The diagram shows a three-dimensional structural representation of the stabilizing components of a gastroenterology abdominal distension adjuvant treatment device.

[0043] Figure 6 for Figure 1 The diagram shows the internal structure of the fixed frame of the gastroenterology abdominal distension auxiliary treatment device.

[0044] Figure 7 for Figure 1 The diagram shows the side massage component of the gastroenterology abdominal distension auxiliary treatment device.

[0045] Figure 8 for Figure 1 The diagram shows a cross-sectional view of the rotating component of a gastroenterology abdominal distension auxiliary treatment device.

[0046] Figure 9 for Figure 2 The diagram shows a magnified view of part A of the gastroenterology abdominal distension auxiliary treatment device.

[0047] Explanation of reference numerals in the attached figures

[0048] 1. Fixed frame;

[0049] 2. Movable support frame; 21. Fixed top plate; 22. Support column; 23. Connecting plate; 24. Casters;

[0050] 3. Adjustable pitch assembly; 31. Center gear; 32. Moving rack; 33. Adjustable pitch drive source; 34. Mounting bracket; 35. Anti-deviation rail;

[0051] 4. Lifting devices;

[0052] 5. Fix the frame;

[0053] 6. Rotating assembly; 61. Fixing frame; 62. Rotation drive source; 63. Fixing track ring; 64. Fixing column; 65. Anti-detachment rotating ring;

[0054] 7. Central massage component; 71. Rotating plate; 72. Massage rollers;

[0055] 8. Side massage component; 81. Rotating shaft; 82. Eccentric massage roller;

[0056] 9. Synchronous drive assembly; 91. Synchronous drive source; 92. Center bevel gear; 93. Edge bevel gear; 94. Drive shaft;

[0057] 10. Flexible protective cover;

[0058] 11. Stabilizing component; 111. Positioning column; 112. Sliding plate; 113. Elastic reset component; 114. Rotating column; 115. Rotating frame; 116. Mounting plate; 117. Pulling column. Detailed Implementation

[0059] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0060] Figures 1 to 9 The diagram shown is a structural schematic of an embodiment of the gastroenterology abdominal distension auxiliary treatment device of this utility model. The gastroenterology abdominal distension auxiliary treatment device includes a fixed frame 1.

[0061] Movable support 2, with movable support 2 provided on both sides of the fixed frame 1, the movable support 2 being used to move the auxiliary treatment device;

[0062] The distance adjustment component 3 is installed on the top of the fixed frame 1 and is connected to two movable supports 2 respectively. The distance adjustment component 3 is used to adjust the distance between the two movable supports 2.

[0063] Lifting device 4, which is connected to the bottom of fixed frame 1;

[0064] The treatment mechanism is connected to the bottom of the lifting device 4, which is used to adjust the height of the treatment mechanism. The treatment mechanism is used to provide auxiliary treatment for patients with abdominal distension.

[0065] The treatment mechanism includes a fixed frame 5, a rotating component 6 connected to the top of the fixed frame 5, the top of the rotating component 6 being connected to the bottom of the lifting device 4, and a central massage component 7 and a side massage component 8 provided in the inner cavity of the fixed frame 5, which are respectively connected to a synchronous drive component 9.

[0066] In this technical solution, the distance between the two movable supports 2 can be adjusted by using the adjustable component 3, thereby controlling the width of the auxiliary treatment device. This allows the auxiliary treatment device to be moved to beds of different widths, expanding the applicability of the auxiliary treatment device. Furthermore, the treatment mechanism can be rotated, allowing for comprehensive abdominal massage in multiple ways, increasing the number of massage methods, improving the massage effect, and facilitating the auxiliary treatment of abdominal distension.

[0067] The movable support 2 includes a fixed top plate 21, the bottom of which is connected to a plurality of support columns 22. The bottom ends of the support columns 22 are all connected to the top of the connecting plate 23, and a plurality of movable wheels 24 are installed on the bottom of the connecting plate 23.

[0068] In this technical solution, the mobile support 2 can be used to support and move the auxiliary treatment equipment.

[0069] The adjustable component 3 includes a central gear 31, which is rotatably connected to the bottom of the fixed frame 1, and movable racks 32 are meshed on both sides of the central gear 31.

[0070] The two movable racks 32 are respectively connected to a fixed top plate 21 at opposite ends.

[0071] In this technical solution, the distance between the two movable supports 2 can be adjusted using the distance adjustment component 3.

[0072] The top of the central gear 31 is connected to the output end of the pitch-adjusting drive source 33, which is mounted on the inner wall of the top surface of the mounting bracket 34. The mounting bracket 34 is connected to the top of the fixed frame 1.

[0073] In this technical solution, the adjustable torque drive source 33 can provide driving force for the rotation of the central gear 31.

[0074] The two movable racks 32 are slidably connected to the anti-deviation rails 35 on opposite sides, and the two anti-deviation rails 35 are respectively connected to the inner walls of the two sides of the mounting frame 34;

[0075] In use, the movable rack 32 moves along the anti-deviation track 35, which limits the movement trajectory of the movable rack 32.

[0076] When in use, depending on the width of the bed where the patient is lying, the adjustable drive source 33 drives the central gear 31 to rotate, thereby driving the two moving racks 32 to move towards or away from each other. At this time, the moving supports 2 on both sides can be driven to move towards or away from each other. The distance between the two moving supports 2 can be adjusted to adapt to beds of different widths, making the auxiliary treatment equipment more convenient to use.

[0077] When the distance between the two movable supports 2 is at its minimum, the volume of the auxiliary treatment device is at its minimum, which makes it easier to store the auxiliary treatment device.

[0078] The rotating assembly 6 includes a fixed frame 61, which is connected to the bottom of the lifting device 4. A rotation drive source 62 is connected to the inner cavity of the fixed frame 61, and the output end of the rotation drive source 62 is connected to the top of the fixed frame 5.

[0079] In this technical solution, the rotating component 6 can be used to rotate the fixed frame shell 5 and other structures.

[0080] A fixing track ring 63 is provided on the outer side of the fixing frame 61, and a plurality of fixing posts 64 arranged in a ring array are connected to the inner side of the fixing track ring 63. The end of the fixing post 64 away from the fixing track ring 63 is connected to the side of the fixing frame 61.

[0081] The bottom side of the fixed track ring 63 is rotatably connected to an anti-detachment rotating ring 65, which is connected to the top of the fixed frame 5.

[0082] In this technical solution, the fixed track ring 63 and the anti-detachment rotation ring 65 can provide support for the fixed frame shell 5, making the rotation of the fixed frame shell 5 and other structures more stable.

[0083] When in use, the lifting device 4 drives the fixed frame 5, the central massage component 7 and the side massage component 8 to move down, and the central massage component 7 and the side massage component 8 come into contact with the human abdomen, and massage the human abdomen using the central massage component 7 and the side massage component 8.

[0084] During massage, the rotation drive source 62 drives the fixed frame 5 to rotate, thereby driving the central massage component 7 and the side massage component 8 to rotate, increasing the massage methods;

[0085] When the fixed frame 5 rotates, it can drive the anti-detachment rotating ring 65 to rotate within the fixed track ring 63, thereby increasing the rotational stability of the fixed frame 5 and other structures.

[0086] The bottom of the fixed frame 5 is connected to an elastic protective cover 10.

[0087] In this technical solution, the elastic protective cover 10 can protect the human body and prevent injury during massage.

[0088] The central massage component 7 includes a rotating plate 71 and massage rollers 72, with multiple massage rollers 72 rotatably connected to the bottom surface of the rotating plate 71.

[0089] In this technical solution, the rotating massage ball 72 can be used to massage the patient's abdomen.

[0090] When in use, the synchronous drive component 9 drives the rotating plate 71 to rotate, which in turn drives the massage roller 72 to rotate, and the massage roller 72 massages the human abdomen.

[0091] The side massage component 8 includes a rotating shaft 81. Multiple rotating shafts 81 arranged in a circular array are rotatably connected to the inner wall of the fixed frame 5. Multiple eccentric massage wheels 82 are connected to the surface of the rotating shaft 81, and the central axes of two adjacent eccentric massage wheels 82 are not on the same horizontal straight line.

[0092] In this technical solution, the patient's abdomen can be massaged using a rotating eccentric massage wheel 82.

[0093] In use, the synchronous drive component 9 simultaneously drives multiple rotating shafts 81 to rotate, thereby driving the eccentric massage rollers 82 to rotate. The alternating contact of the multiple eccentric massage rollers 82 massages the human abdomen.

[0094] The synchronous drive component 9 includes a synchronous drive source 91, which is connected to the inner wall of the top surface of the synchronous drive source 91.

[0095] The output end of the synchronous drive source 91 is connected to a central bevel gear 92, and the central bevel gear 92 is meshed with a plurality of edge bevel gears 93 arranged in a ring array on its side. The edge bevel gears 93 are connected to one end of the rotating shaft 81.

[0096] The bottom of the central bevel gear 92 is connected to a drive shaft 94, and the bottom end of the drive shaft 94 is connected to the top of the rotating plate 71.

[0097] In this technical solution, the synchronous drive component 9 can simultaneously provide driving force to the central massage component 7 and the side massage component 8.

[0098] In use, the synchronous drive source 91 drives the central bevel gear 92 to rotate, thereby synchronously driving multiple edge bevel gears 93 to rotate, which can simultaneously drive multiple rotating shafts 81 to rotate.

[0099] At the same time, the rotation of the central bevel gear 92 can also drive the transmission shaft 94 to rotate, thereby driving the rotating plate 71 to rotate.

[0100] A stabilizing component 11 is provided in the inner cavity of the fixed frame 1. The stabilizing component 11 is connected to two movable supports 2 respectively. The stabilizing component 11 includes positioning posts 111. Multiple positioning posts 111 are connected to the inner wall of the fixed frame 1.

[0101] The positioning post 111 has two symmetrically distributed sliding plates 112 slidably connected to its surface, and an elastic reset member 113 is connected between the two sliding plates 112.

[0102] Rotating columns 114 are respectively provided on both sides of the sliding plate 112. Rotating frames 115 are rotatably connected to both ends of the rotating columns 114. One side of the rotating frame 115 is connected to one side of the sliding plate 112, and the other side of the rotating frame 115 is connected to one side of the mounting plate 116.

[0103] A pulling column 117 is connected to the side of the mounting plate 116 away from the rotating frame 115, and the end of the pulling column 117 away from the mounting plate 116 is connected to the side of the fixed top plate 21.

[0104] When the adjusting assembly 3 moves the two movable supports 2, the fixed top plate 21 moves the pulling column 117 in the same direction, thereby moving the mounting plate 116 in the same direction. At this time, under the action of the rotating frame 115, the rotating column 114 can be rotated, which can drive the two sliding plates 112 to move towards or away from each other, thereby compressing or stretching the elastic reset member 113. Through the force on the elastic reset member 113, the two movable supports 2 can be pushed or pulled, thereby providing support force for the two movable supports 2, increasing the stability of the adjusting assembly 3, that is, increasing the structural strength between the two movable supports 2.

[0105] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A gastroenterology abdominal distension auxiliary treatment device, comprising a fixed frame (1), characterized in that, The gastroenterology abdominal distension auxiliary treatment device also includes: a movable support (2), and the fixed frame (1) is provided with movable supports (2) on both sides. The movable supports (2) are used to move the auxiliary treatment device. The distance adjustment component (3) is installed on the top of the fixed frame (1). The distance adjustment component (3) is connected to two movable supports (2) respectively. The distance adjustment component (3) is used to adjust the distance between the two movable supports (2). A lifting device (4) is connected to the bottom of a fixed frame (1); The treatment mechanism is connected to the bottom of the lifting device (4), the lifting device (4) is used to adjust the height of the treatment mechanism, and the treatment mechanism is used to provide auxiliary treatment for patients with abdominal distension. The treatment mechanism includes a fixed frame (5), a rotating component (6) is connected to the top of the fixed frame (5), the top of the rotating component (6) is connected to the bottom of the lifting device (4), a central massage component (7) and a side massage component (8) are provided in the inner cavity of the fixed frame (5), and the central massage component (7) and the side massage component (8) are respectively connected to the synchronous drive component (9).

2. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The movable support (2) includes a fixed top plate (21), the bottom of which is connected to a plurality of support columns (22), the bottom ends of which are all connected to the top of a connecting plate (23), and the bottom of the connecting plate (23) is equipped with a plurality of movable wheels (24).

3. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The adjustable distance assembly (3) includes a central gear (31), which is rotatably connected to the bottom of the fixed frame (1), and movable racks (32) are meshed on both sides of the central gear (31). The two movable racks (32) are respectively connected to a fixed top plate (21) at opposite ends.

4. The gastroenterology abdominal distension auxiliary treatment device as described in claim 3, characterized in that: The top of the central gear (31) is connected to the output end of the pitch adjustment drive source (33), which is mounted on the inner wall of the top surface of the mounting bracket (34), and the mounting bracket (34) is connected to the top of the fixed frame (1).

5. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The rotating assembly (6) includes a fixed frame (61), which is connected to the bottom of the lifting device (4). A rotation drive source (62) is connected to the inner cavity of the fixed frame (61), and the output end of the rotation drive source (62) is connected to the top of the fixed frame (5).

6. The gastroenterology abdominal distension auxiliary treatment device as described in claim 5, characterized in that: A fixed track ring (63) is provided on the outside of the fixed frame (61), and a plurality of fixed columns (64) arranged in a ring array are connected to the inside of the fixed track ring (63). The end of the fixed column (64) away from the fixed track ring (63) is connected to the side of the fixed frame (61). The bottom side of the fixed track ring (63) is rotatably connected to an anti-detachment rotating ring (65), which is connected to the top of the fixed frame (5).

7. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The bottom of the fixed frame (5) is connected to an elastic protective cover (10).

8. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The central massage component (7) includes a rotating plate (71) and massage rollers (72), with multiple massage rollers (72) rotatably connected to the bottom surface of the rotating plate (71).

9. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The side massage component (8) includes a rotating shaft (81). The inner wall of the fixed frame (5) is rotatably connected to a plurality of rotating shafts (81) arranged in a ring array. The surface of the rotating shaft (81) is connected to a plurality of eccentric massage wheels (82), and the central axes of two adjacent eccentric massage wheels (82) are not on the same horizontal straight line.

10. The gastroenterology abdominal distension auxiliary treatment device as described in claim 1, characterized in that: The synchronous drive component (9) includes a synchronous drive source (91), which is connected to the inner wall of the top surface of the synchronous drive source (91). The output end of the synchronous drive source (91) is connected to a central bevel gear (92), and the central bevel gear (92) is meshed with a plurality of edge bevel gears (93) arranged in a ring array on its side. The edge bevel gears (93) are connected to one end of the rotating shaft (81). The bottom of the central bevel gear (92) is connected to a drive shaft (94), and the bottom end of the drive shaft (94) is connected to the top of the rotating plate (71).

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