Body position auxiliary device for heart failure rehabilitation training of old people

Abstract

The invention relates to a rehabilitation training auxiliary device, in particular to a body position auxiliary device for heart failure rehabilitation training of old people, which comprises a bottom frame, two supporting columns are arranged in front of and behind the top of the bottom frame, a top frame is arranged among the tops of the four supporting columns, and side plates are arranged on the left side and the right side of the top frame; a fixed bed board is arranged on the middle side of the top of the top frame, a first bed board is rotatably arranged on the left side wall of the fixed bed board, and a fixed table is arranged on the left side of the top of the bottom frame. The hydraulic cylinder drives the first bed plate to adjust the angle, and the sliding fit between the bottom pulley of the third bed plate and the sliding chute of the top frame is matched, so that the multi-angle stable switching of the bed plates is realized, and heart load fluctuation caused by sudden change of body position is avoided. The waist supporting assembly is attached to the waist of a patient through air pressure driving of a waist protection plate, body pressure is dispersed, meanwhile, accurate pressure relief and resetting can be achieved, the waist supporting requirements of different patients are met, and waist discomfort during bedridden training is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to a rehabilitation training auxiliary device, in particular to a body position auxiliary device for rehabilitation training of old people with heart failure. BACKGROUND

[0002] As a cardiovascular disease with a high incidence in the old population, heart failure needs to be strictly controlled in the rehabilitation period to avoid sudden changes in body position and cause fluctuations in cardiac load. At the same time, through moderate limb training, blood circulation can be improved, limb edema can be relieved, and the risk of long-term bed complications can be reduced. At present, the rehabilitation body position auxiliary device for old people with heart failure used in the clinic has a single structure and can only realize basic body position adjustment. It is difficult to meet the needs of upper limb and lower limb rehabilitation training, and the mattress is easy to shift during body position adjustment. Therefore, medical staff need to frequently arrange and increase the nursing workload.

[0003] The limb training assembly of the existing device is mostly an independent structure, which has poor adaptability with the body position support part. During training, the body position of the patient is easy to deviate, causing discomfort. The waist support is mostly a fixed structure, which cannot dynamically adjust the support strength according to the body type of the patient, and long-term use is easy to cause compression. Therefore, there is an urgent need for a body position auxiliary device for rehabilitation training of old people with heart failure, which can control the body position and take into account the upper and lower limb collaborative training, so as to improve the safety, comfort and convenience of rehabilitation training. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the application provides a body position auxiliary device for rehabilitation training of old people with heart failure, which can control the body position and take into account the upper and lower limb collaborative training.

[0005] The technical scheme of the application is as follows: a body position auxiliary device for rehabilitation training of old people with heart failure, comprising a base frame, support columns, a top frame, side plates, a fixed bed plate, a first bed plate, a hydraulic cylinder, a connecting rod, a second bed plate, a third bed plate, a sliding assembly, a leg rehabilitation training assembly, a shielding assembly and a waist support assembly. Two support columns are arranged on the top of the base frame, four support columns are arranged on the top of the base frame, and a top frame is arranged between the four support columns. The top frame is provided with side plates on the left and right sides. A fixed bed plate is arranged on the top of the top frame. A first bed plate is rotatably arranged on the left side wall of the fixed bed plate. A fixed table is arranged on the left side of the top of the base frame. A hydraulic cylinder is rotatably arranged on the right side of the top of the fixed table. A connecting rod is rotatably arranged between the hydraulic rod of the hydraulic cylinder and the end of the connecting rod. A second bed plate is rotatably arranged on the right side wall of the fixed bed plate. A third bed plate is rotatably arranged on the right side wall of the second bed plate. The third bed plate is stably slid with the right side of the top frame through the sliding assembly. A leg rehabilitation training assembly is arranged between the right side support column and the right side of the top frame. The front side and the rear side of the two side plates are provided with adjustable shielding assemblies. The first bed plate is provided with a waist support assembly.

[0006] Further, the sliding assembly comprises a rotating rod and a pulley, and the top frame is provided with a sliding groove on the right side of the top thereof, the rotating rod is rotatably arranged on the right side of the bottom of the third bed plate, the pulley is rotatably arranged on the rotating rod, and the pulley is slidably matched with the sliding groove of the top frame.

[0007] Further, the leg rehabilitation training assembly comprises straight rails, a sliding plate, a leg placing plate, a driving motor, a swing rod and a connecting rod, the straight rails are symmetrically arranged on the horizontal frame of the right side of the top frame, the sliding plate is slidably arranged between the two straight rails, the leg placing plate is arranged on the upper portion of the sliding plate, the driving motor is arranged on each of the two support columns of the right side, the swing rod is arranged on the output shaft of the driving motor, one end of the swing rod is rotatably connected with the connecting rod, and the other end of the connecting rod is rotatably connected with the left side wall of the sliding plate.

[0008] Further, the shielding assembly comprises a fixed plate, a crank, a shielding frame, a clamping shaft, a pin shaft and a swing clamping frame, the fixed plate is arranged on the mutually distant side walls of the side plates through screws, the crank is rotatably arranged on the middle portion and the upper portion of the fixed plate, the two horizontal shafts of the left and right sides of the shielding frame are rotatably connected with the other end portions of the adjacent cranks, the clamping shaft is arranged on the middle portion of the upper crank, the swing clamping frame is rotatably arranged on the upper portion of the mutually distant side walls of the side plates through the pin shaft, the swing clamping frame is provided with a clamping groove, and the swing clamping frame is clamped with the clamping shaft through the clamping groove.

[0009] Further, the waist supporting assembly comprises an air cylinder, an air pipe, a one-way valve, a rectangular box, a piston plate, a waist protection plate, a pressure relief valve and a top plate, the rectangular box is embeddedly arranged on the bottom of the first bed plate, the piston plate is slidably arranged in the rectangular box, the waist protection plate is arranged on the top portion of the piston plate in a spaced manner, the first bed plate is provided with a slot for the waist protection plate to pass through in a spaced manner, the air cylinder is arranged on the left side wall of the fixed table, the air cylinder is communicated with the bottom of the rectangular box through the air pipe, the one-way valve is arranged on the air pipe, the pressure relief valve is arranged on the air outlet pipe of the bottom of the rectangular box, the top plate is arranged on the left side of the top frame and located below the pressure relief valve.

[0010] Further, the bottom frame is provided with a placing box on the middle side of the top thereof.

[0011] Further, the upper limb rehabilitation training assembly comprises a fixed sleeve, an arc-shaped sliding rail, a sliding wheel, a grip rod, a protective sleeve and a connecting sleeve, the arc-shaped sliding rail is fixed on the horizontal shaft of the shielding frame through the fixed sleeve, the sliding wheel is slidably arranged in the sliding groove of the arc-shaped sliding rail, the side wall of the sliding wheel is provided with a threaded hole, the grip rod is provided with external threads at both ends, the grip rod is screwed with the internal threads of the sliding wheel, the protective sleeve is sleeved on the grip rod, and the connecting sleeve is used for screwing and splicing the two grip rods.

[0012] Further, the control panel is arranged on the left side plate, and the control panel is internally provided with a controller connected with the driving motor and the electromagnetic reversing valve of the hydraulic cylinder through a circuit. Advantages

[0013] 1. The device drives the first bed board angle adjustment through the hydraulic cylinder, cooperates the sliding cooperation of the third bed board bottom pulley and the top frame sliding groove, realizes the stable switching of the bed board at multiple angles, avoids the heart load fluctuation caused by the sudden change of body position. The waist support assembly drives the waist support plate to adhere to the waist of the patient through air pressure, disperses the body pressure, can accurately release and reset, adapts to the waist support needs of different patients, and reduces the discomfort of the waist during bed training.

[0014] 2. The leg rehabilitation training assembly drives the sliding plate reciprocating motion through the driving motor, links the third bed board and the second bed board to adaptively adjust the angle, can complete the leg flexion and extension training without moving the mattress, relieves the lower limb edema, and guarantees the heart tolerance through the whole slow movement.

[0015] 3. The upper limb rehabilitation training assembly can be assembled as needed, adapts to unilateral or bilateral upper limb training, guides the movement through the arc-shaped sliding rail, promotes the peripheral blood circulation, reduces the limb numbness and edema, and indirectly reduces the heart circulation load. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0017] Figure 2 It is a part of the three-dimensional structure schematic diagram of the present application.

[0018] Figure 3 It is an installation structure schematic diagram of the sliding assembly of the present application.

[0019] Figure 4 It is an installation structure schematic diagram of the leg rehabilitation training assembly of the present application.

[0020] Figure 5 It is an installation structure schematic diagram of the shielding assembly of the present application.

[0021] Figure 6 It is a part of the explosion structure schematic diagram of the waist support assembly of the present application.

[0022] Figure 7 It is a three-dimensional structure schematic diagram of the upper limb rehabilitation training assembly of the present application.

[0023] In the attached diagram, the following are the reference numerals: 1_base frame, 2_support column, 21_fixed platform, 3_top frame, 4_side plate, 5_fixed bed board, 6_first bed board, 61_hydraulic cylinder, 62_connecting rod, 7_second bed board, 8_third bed board, 9_sliding assembly, 91_slide groove, 92_rotating rod, 93_pulley, 10_leg rehabilitation training assembly, 101_straight guide rail, 102_sliding plate, 103_leg placement plate, 104_drive motor, 105_swinging rod, 106_connecting rod, 11_shielding assembly, 111_fixed plate, 11 2_Crank, 113_Shielding bracket, 114_Piston pin, 115_Pin pin, 116_Swing bracket, 12_Lumbar support assembly, 121_Air compressor, 122_Air hose, 123_One-way valve, 124_Rectangular box, 125_Piston plate, 126_Lumbar support plate, 127_Pressure relief valve, 128_Top plate, 13_Placement box, 14_Upper limb rehabilitation training assembly, 141_Fixing sleeve, 142_Arc-shaped slide rail, 143_Sliding wheel, 144_Grip bar, 145_Protective sleeve, 146_Connecting sleeve, 15_Control panel. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0025] Example: Figures 1-4As shown, a postural assist device for rehabilitation training of elderly people with heart failure includes a base frame 1, support columns 2, a top frame 3, side plates 4, a fixed bed board 5, a first bed board 6, a hydraulic cylinder 61, a connecting rod 62, a second bed board 7, a third bed board 8, a sliding assembly 9, a leg rehabilitation training assembly 10, a blocking assembly 11, and a lumbar support assembly 12. Two support columns 2 are provided at the front and rear of the top of the base frame 1. The top frame 3 is located between the tops of the four support columns 2. Side plates 4 are provided on both the left and right sides of the top frame 3. A fixed bed board 5 is located on the middle side of the top of the top frame 3. A first bed board 6 is rotatably mounted on the left side wall of the fixed bed board 5. A fixed platform 21 is provided on the top left side of the first bed board 6. A hydraulic cylinder 61 is symmetrically and rotatably mounted on the top right side of the fixed platform 21. A connecting rod 62 is symmetrically mounted on the bottom right side of the first bed board 6. The hydraulic rod of the hydraulic cylinder 61 is rotatably connected to the end of the connecting rod 62. A second bed board 7 is rotatably mounted on the right side wall of the fixed bed board 5. A third bed board 8 is rotatably mounted on the right side wall of the second bed board 7. The bottom right side of the third bed board 8 is stably slidable to the right side of the top frame 3 via a sliding assembly 9. The sliding assembly 9 includes a rotating rod 92 and a pulley 93. The top right side of the top frame 3 has sliding grooves 91 on both the front and back. The bottom right side of the third bed board 8 is rotatably mounted on the third bed board 6. There is a rotating rod 92, on which a pulley 93 is rotatably mounted. The pulley 93 slides in conjunction with the groove 91 of the top frame 3. A leg rehabilitation training component 10 is arranged between the right support column 2 and the right side of the top frame 3. The leg rehabilitation training component 10 includes a straight guide rail 101, a sliding plate 102, a leg placement plate 103, a drive motor 104, a swing rod 105, and a connecting rod 106. Straight guide rails 101 are symmetrically arranged on the crossbeam in the middle of the right side of the top frame 3. A sliding plate 102 is slidably arranged between the two straight guide rails 101. A leg placement plate 103 is arranged on the upper part of the sliding plate 102. The two supports on the right side... Each column 2 is equipped with a drive motor 104, and a swing rod 105 is installed on the output shaft of the drive motor 104. The other end of the swing rod 105 is rotatably connected to one end of the connecting rod 106, and the other end of the connecting rod 106 is rotatably connected to the left side wall of the sliding plate 102. Adjustable blocking components 11 are installed between the front and rear sides of the two side plates 4. A waist support component 12 is installed on the first bed board 6. It also includes a control panel 15. The control panel 15 is installed on the left side plate 4. The control panel 15 has a built-in controller. The controller is connected to the drive motor 104 and the solenoid reversing valve of the hydraulic cylinder 61 through a circuit.

[0026] like Figure 1 and Figure 5As shown, the shielding assembly 11 includes a fixed plate 111, a crank 112, a shielding frame 113, a retaining shaft 114, a pin 115, and a swing bracket 116. Fixed plates 111 are screwed onto the front and rear sides of the side plates 4, which are far apart from each other. Cranks 112 are rotatably mounted on the middle and upper parts of the fixed plates 111. The two horizontal shafts on the left and right sides of the shielding frame 113 are rotatably connected to the other end of the adjacent cranks 112. A retaining shaft 114 is mounted on the middle of the upper cranks 112. Swing brackets 116 are rotatably mounted on the front and rear sides of the upper sides of the side plates 4, which are far apart from each other, via pins 115. The swing brackets 116 have slots, and the swing brackets 116 engage with the retaining shafts 114 through the slots.

[0027] like Figure 2 and Figure 6 As shown, the lumbar support assembly 12 includes an air compressor 121, an air pipe 122, a one-way valve 123, a rectangular box 124, a piston plate 125, a lumbar support plate 126, a pressure relief valve 127, and a top plate 128. A rectangular box 124 is embedded in the bottom of the first bed board 6. A piston plate 125 is slidably arranged inside the rectangular box 124. Lumbar support plates 126 are spaced apart on the top of the piston plate 125. A slotted hole for the lumbar support plate 126 to pass through is provided on the first bed board 6. An air compressor 121 is provided on the left side wall of the fixed platform 21. The air compressor 121 is connected to the bottom of the rectangular box 124 through an air pipe 122. A one-way valve 123 is provided on the air pipe 122. A pressure relief valve 127 is provided on the air outlet pipe at the bottom of the rectangular box 124. A top plate 128 is provided on the left side of the top frame 3. The top plate 128 is located below the pressure relief valve 127.

[0028] like Figure 1 and Figure 7 As shown, it also includes a placement box 13 and an upper limb rehabilitation training component 14. The placement box 13 is located on the top center side of the base frame 1. The placement box 13 is used to place the upper limb rehabilitation training component 14. The upper limb rehabilitation training component 14 includes a fixing sleeve 141, an arc-shaped slide rail 142, sliding wheels 143, a grip bar 144, a protective sleeve 145, and a connecting sleeve 146. The arc-shaped slide rail 142 is fixed to the horizontal axis of the shielding frame 113 by the fixing sleeve 141. A sliding wheel 143 is slidably installed in the groove. The side wall of the sliding wheel 143 has a threaded hole. Both ends of the grip 144 have external threads. The grip 144 is screwed into the internal threads of the sliding wheel 143. A protective sleeve 145 is fitted onto the grip 144. Plastic particles are evenly distributed on the upper part of the protective sleeve 145. Holding the protective sleeve 145 can stimulate the acupoints of the palm. Both ends of the connecting sleeve 146 have internal threads. The connecting sleeve 146 is used to screw and splice the two grips 144 together.

[0029] When elderly people undergo rehabilitation training for heart failure, their feet are placed in the grooves of the leg support plate 103. Medical staff control the drive motor 104 to rotate slowly by activating the button on the control panel 15. The drive motor 104 drives the swing rod 105 to make circular motion. The swing rod 105 drives the sliding plate 102 to slide back and forth along the straight guide rail 101 through the connecting rod 106. The sliding plate 102 drives the leg support plate 103 to move left and right. When the sliding plate 102 slides to the left, it squeezes the third bed board 8 to slide to the left, so that the elderly person's legs can perform flexion and extension movements. At the same time, the third bed board 8 slides smoothly through the rotating rod 92 and the pulley 93, so that the right side of the second bed board 7 also swings upward, which just matches the curvature of the patient's bent leg. This device can be used for rehabilitation training without moving the mattress on the second bed board 7 and the third bed board 8. This rehabilitation auxiliary training can relieve lower limb edema. Through continuous and slow flexion and extension movements, precise position control can be achieved, avoiding cardiac load fluctuations caused by sudden changes in position, and ensuring the safety of rehabilitation training. Once the second bed board 7 and the third bed board 8 have been reset after training, you can rest directly.

[0030] When upper limb rehabilitation training is required, medical staff press the control button of hydraulic cylinder 61 on the control panel 15. The hydraulic cylinder 61 extends and can drive the first bed board 6 to rotate around the fixed bed board 5 at a suitable angle. When the hydraulic cylinder 61 is closed, the patient is adjusted to a position with their back against the first bed board 6. The medical staff press the air compressor 121, which pumps gas through the air tube 122 into the rectangular box 124. The increased pressure in the rectangular box 124 squeezes the piston plate 125, which drives the lumbar support plate 126 through the hole in the first bed board 6 to squeeze the mattress. The mattress and the lumbar support plate 126 fit together to support the patient's waist and distribute the pressure points. At this time, the medical staff rotates the shielding frame 113 upward and then rotates the swing bracket 116. The slot of the swing bracket 116 engages with the bracket shaft 114 for limiting and fixing. The shielding frame 113 provides fixed protection for both sides. Medical staff then pull the placement box 13 to remove the upper limb rehabilitation training component 14 placed inside. The arc-shaped slide rail 142 is fixed to the crossbar of the shielding frame 113 using the fixing sleeve 141 and bolts. The grip bar 144 is then screwed into the threaded hole of the sliding wheel 143 for fixation. The elderly can choose the closest grip bar 144 to train their hand and pull it back and forth along the arc of the arc-shaped slide rail 142 to promote blood circulation. Hand exercises can accelerate peripheral blood circulation in the upper limbs, reducing limb edema and numbness caused by prolonged bed rest, indirectly reducing the circulatory load on the heart. Furthermore, it offers better safety performance than a standalone hand grip strengthener. Since simultaneous training of both hands is required, the grip bars 144 installed on the sliding wheels 143 on both sides can be connected as a single unit via the connecting sleeve 146. After the training is completed, the medical staff removes the upper limb rehabilitation training component 14 and places it in the placement box 13. Then, the first bed board 6 is reset by controlling the hydraulic cylinder 61. When the pressure relief valve 127 at the bottom of the rectangular box 124 contacts the top plate 128, the gas in the rectangular box 124 can be released. The lumbar support board 126 is pressed back down under the action of the person's own weight, and the first bed board 6 returns to a flat state, which is conducive to the normal rest of the elderly. This device has a simple structure, is easy to operate, and is helpful to assist the elderly in rehabilitation training.

[0031] The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, all equivalent changes made to the content described in the claims of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A body position assisting device for rehabilitation training of heart failure in the elderly, characterized by, The utility model provides a kind of leg rehabilitation training device, including bottom frame (1), the top of the bottom frame (1) is provided with two support columns (2) front and rear, the top of four support columns (2) is provided with top frame (3) between, the top frame (3) is provided with side plate (4) left and right sides, the top of the top frame (3) is provided with fixed bed plate (5) middle side, the left side wall of the fixed bed plate (5) is rotatably provided with first bed plate (6), the top of the bottom frame (1) left side is provided with fixed platform (21), the top of the fixed platform (21) right side is rotatably provided with hydraulic cylinder (61) in symmetry, the bottom right side of the first bed plate (6) is provided with connecting rod (62) front and rear in symmetry, the hydraulic rod of the hydraulic cylinder (61) is rotatably connected between the end of the connecting rod (62), the right side wall of the fixed bed plate (5) is rotatably provided with second bed plate (7), the right side wall of the second bed plate (7) is rotatably provided with third bed plate (8), the right side of the third bed plate (8) bottom is stably slid with the right side of the top frame (3) by sliding assembly (9), leg rehabilitation training assembly (10) is arranged between the right side of the support column (2) and the right side of the top frame (3), the front side and the back side between two side plates (4) are provided with adjustable shielding assembly (11), and waist support assembly (12) is arranged on the first bed plate (6).

2. The body position assisting device for rehabilitation training of elderly heart failure according to claim 1, wherein The sliding assembly (9) includes a rotating rod (92), the top right side of the top frame (3) is provided with a sliding groove (91) front and rear, the bottom right side of the third bed plate (8) is rotatably provided with the rotating rod (92), the rotating rod (92) is rotatably provided with a pulley (93), and the pulley (93) is slidably matched with the sliding groove (91) of the top frame (3).

3. The body position assisting device for rehabilitation training of elderly heart failure according to claim 2, characterized in that, The leg rehabilitation training assembly (10) includes a straight guide rail (101), the straight guide rail (101) is symmetrically arranged on the right side of the top frame (3) middle transverse frame, a sliding plate (102) is slidably arranged between the two straight guide rails (101), the sliding plate (102) is provided with a leg placing plate (103) on the upper portion, a drive motor (104) is arranged on each of the two right side support columns (2), an oscillating rod (105) is arranged on the output shaft of the drive motor (104), one end of the oscillating rod (105) is rotatably connected with the connecting rod (106), and the other end of the connecting rod (106) is rotatably connected with the left side wall of the sliding plate (102).

4. The body position assisting device for rehabilitation training of elderly heart failure according to claim 3, characterized in that, The blocking component (11) includes a fixed plate (111), the side plates (4) are provided with the fixed plate (111) through screws on the mutually far apart side walls, the middle and upper parts of the fixed plate (111) are rotatably provided with cranks (112), the two horizontal shafts on the left and right sides of the blocking frame (113) are rotatably connected with the other end of the adjacent crank (112), the middle part of the upper crank (112) is provided with a clamping shaft (114), the upper parts of the mutually far apart side walls of the side plates (4) are rotatably provided with swing clamping frames (116) through pin shafts (115), the swing clamping frame (116) is provided with a clamping groove, and the swing clamping frame (116) is clamped with the clamping shaft (114) through the clamping groove.

5. The body position assisting device for rehabilitation training of elderly heart failure according to claim 4, characterized in that, The waist supporting component (12) includes a gas cylinder (121), the first bed plate (6) is embedded with a rectangular box (124) at the bottom, the rectangular box (124) is slidably provided with a piston plate (125), the top of the piston plate (125) is provided with a waist support plate (126) at intervals, the first bed plate (6) is provided with a slot hole for the waist support plate (126) to pass through at intervals, the left side wall of the fixed table (21) is provided with the gas cylinder (121), the gas cylinder (121) is communicated with the bottom of the rectangular box (124) through a gas pipe (122), the gas pipe (122) is provided with a one-way valve (123), the bottom of the rectangular box (124) is provided with a pressure relief valve (127), the left side of the top frame (3) is provided with a top plate (128), and the top plate (128) is located below the position of the pressure relief valve (127).

6. The body position assisting device for rehabilitation training of elderly heart failure according to claim 5, wherein Further comprising a placing box (13), and the top middle side of the bottom frame (1) is provided with the placing box (13).

7. The body position assisting device for rehabilitation training of heart failure in the elderly according to claim 6, characterized in that Further comprising an upper limb rehabilitation training component (14), and the upper limb rehabilitation training component (14) comprises a fixing sleeve (141), an arc-shaped sliding rail (142) is fixed on the horizontal shaft of the blocking frame (113) through the fixing sleeve (141), a sliding wheel (143) is slidably arranged in the sliding groove of the arc-shaped sliding rail (142), a threaded hole is formed in the side wall of the sliding wheel (143), outer threads are formed at the two ends of a handle rod (144), the handle rod (144) is screwed with the internal threads of the sliding wheel (143), a protective sleeve (145) is sleeved on the handle rod (144), and internal threads are formed at the two ends of a connecting sleeve (146).

8. The body position assisting device for rehabilitation training of elderly heart failure according to claim 7, characterized in that, Further comprising a control panel (15), and the control panel (15) is arranged on the left side plate (4), the control panel (15) is provided with a controller, and the controller is connected with a driving motor (104) and an electromagnetic reversing valve of a hydraulic cylinder (61) through a circuit.

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