阅读说明：本技术 一种儿童脑瘫康复肢体训练装置 (Training device for children cerebral palsy rehabilitation limbs ) 是由 王久胜 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种儿童脑瘫康复肢体训练装置,包括底座、万向轮、转轴一、固定块一、固定杆、销轴一、连接杆一、支撑杆、握把、转轴二、杂物箱、稳定装置、支撑架、固定板一、螺栓、连接头、电机、螺杆、螺母块、连接杆二、安装座、安装块、收绳箱、连接绳、绑带一、连接杆三、靠背板和手架；本发明结构合理简单、生产成本低、安装方便,功能齐全,通过设置的转轴一、固定块一、固定杆、销轴一和转轴二可以对装置进行拆卸便于携带安装；本发明通过设置的稳定装置可以对支撑架、电机、螺杆、螺母块、连接杆二和安装座进行稳定的工作；本发明通过设置的收绳箱、连接绳和绑带一可以有效的对儿童的上肢进行稳固防止摔倒。(The invention discloses a children cerebral palsy rehabilitation limb training device which comprises a base, universal wheels, a first rotating shaft, a first fixing block, a fixing rod, a first pin shaft, a first connecting rod, a supporting rod, a handle, a second rotating shaft, a glove box, a stabilizing device, a supporting frame, a first fixing plate, a bolt, a connector, a motor, a screw rod, a nut block, a second connecting rod, a mounting seat, a mounting block, a rope collecting box, a connecting rope, a first binding belt, a third connecting rod, a backrest plate and a hand frame, wherein the first fixing block is fixed on the base; the device has the advantages of reasonable and simple structure, low production cost, convenience in installation and complete functions, and can be disassembled, carried and installed conveniently through the rotating shaft I, the fixing block I, the fixing rod, the pin shaft I and the rotating shaft II; the support frame, the motor, the screw, the nut block, the second connecting rod and the mounting base can be stably operated through the arranged stabilizing device; the upper limbs of the children can be effectively stabilized and prevented from falling down through the rope collecting box, the connecting rope and the binding belt.)

1. The utility model provides a children cerebral palsy rehabilitation limbs trainer which characterized in that: comprises a base (1), universal wheels (2), a first rotating shaft (3), a first fixing block (4), a fixing rod (5), a first pin shaft (6), a first connecting rod (7), a supporting rod (8), a handle (9), a second rotating shaft (10), a glove box (11), a stabilizing device (12), a supporting frame (21), a first fixing plate (22), bolts (23), a connector (24), a motor (25) and a screw rod (26), the device comprises a nut block (27), a second connecting rod (28), a mounting seat (29), a mounting block (30), a rope collecting box (31), a connecting rope (32), a first binding belt (33), a third connecting rod (34), a backrest plate (35), a hand frame (36), a steel plate (37), a protective pad (38), a second binding belt (39), a third rotating shaft (40), a fourth rotating shaft (41), a placing plate (42), a limiting belt (43), a third binding belt (44) and a palm training device (45);

universal wheels (2) are fixedly connected to the periphery of the lower surface of the base (1);

the left end in the base (1) is connected with a first rotating shaft (3);

the left side of the upper end of the base (1) is fixedly connected with a first fixing block (4), and the fixing rod (5) is connected to the first fixing block (4) through a first pin shaft (6);

a first connecting rod (7) is fixedly connected to the left side of the upper end of the fixing rod (5), a supporting rod (8) is connected to the bottom end of the first connecting rod (7), and a handle (9) is fixedly connected to the left end of the first connecting rod (7);

the second rotating shaft (10) is connected in the fixing rod (5);

the center of the upper end of the base (1) is connected with a sundry box (11);

the right side of the upper end of the base (1) is fixedly connected with a stabilizing device (12);

the support frame (21) is fixedly connected to the stabilizing device (12);

a first fixing plate (22) is fixedly connected to the right side of the fixing rod (5), two sides of the first fixing plate (22) are connected to a support frame (21) through a first bolt (23), and a connector (24) is fixedly connected to the top end of the support frame (21);

the two sides of the top end of the stabilizing device (12) are fixedly connected with motors (25), output shafts of the motors (25) are fixedly connected with screws (26), the screws (26) are connected with nut blocks (27) through threads, the inner sides of the nut blocks (27) are fixedly connected with a second connecting rod (28), and a mounting seat (29) is fixedly connected in the second connecting rod (28);

a mounting block (30) is fixedly connected to the right side of the connector (24), a rope collecting box (31) is fixedly connected to the bottom end of the mounting block (30), a connecting rope (32) is connected to the bottom end of the rope collecting box (31), and a first binding band (33) is connected to the lower end of the connecting rope (32);

the connecting rod III (34) is fixedly connected to the mounting seat (29), and the upper end of the right side of the connecting rod III (34) is fixedly connected with a backrest plate (35);

a hand frame (36) is fixedly connected to the bottom end of the right side of the third connecting rod (34);

a steel plate (37) is fixedly connected to the bottom end of the hand frame (36), a protection pad (38) is connected to the outer side of the upper end of the steel plate (37), a second binding band (39) is connected to the outer side of the protection pad (38) in a wrapping mode, a third rotating shaft (40) is arranged in the lower end of the steel plate (37), a fourth rotating shaft (41) is arranged in the lower end of the steel plate (37), the fourth rotating shaft (41) is located below the third rotating shaft (40), a placing plate (42) is fixedly connected to the bottom end of the steel plate (37), a limiting belt (43) is arranged above the placing plate (42), the left end of the limiting belt (43) is connected to the bottom end of the second binding band (39), and a third binding band (44) is connected to the middle end of the placing plate (42) in a wrapping mode;

the palm training device (45) is fixedly connected to the right side of the upper end of the hand frame (36).

2. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 1, wherein: the specific structure of the stabilizing device (12) is as follows: the device comprises a first mounting plate (13), a second mounting plate (14), a telescopic rod (15), a first spring seat (16), a first spring (17), a first connecting block (18), a second spring seat (19) and a second spring (20);

the upper end of the base (1) is fixedly connected with a first mounting plate (13);

a second mounting plate (14) is arranged above the first mounting plate (12), telescopic rods (15) are fixedly connected to two sides of the bottom end of the second mounting plate (14), and the second mounting plate (14) is connected to the first mounting plate (12) through the telescopic rods (15);

a plurality of first spring seats (16) are arranged at the upper end of the first mounting plate (12), a first spring (17) is connected in each first spring seat (16), and the top end of each first spring (17) is connected to the bottom end of the corresponding first connecting block (18);

the bottom end of the second mounting plate (14) is provided with a plurality of second spring seats (19), the second spring seats (19) are aligned with the first spring seats (16), the second spring seats (19) are connected with the second springs (20), and the bottom ends of the second springs (20) are connected to the top end of the first connecting block (18).

3. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 1, wherein: the palm training device (45) is specifically structured as follows: the device comprises a fourth connecting rod (46), a third spring (47), a third mounting plate (48), a gasket (49), a fifth connecting rod (50), a second fixing block (51), a second connecting block (52), a pin shaft (53), a sixth connecting rod (54), a mounting rod (55) and a holding rod (56);

the fourth connecting rod (46) is fixedly connected to the right side of the upper end of the hand frame (36);

the outer surface of the upper end of the fourth connecting rod (46) is connected with a third spring (47) in a wrapping mode, the top end of the third spring (47) is fixedly connected with a third mounting plate (48), and the upper end of the third mounting plate (48) is fixedly connected with a gasket (49);

the connecting rod five (50) is fixedly connected to the hand frame (36), and the connecting rod five (50) is positioned on the right side of the connecting rod four (46);

the left side of the upper end of the connecting rod V (50) is fixedly connected with a second fixing block (51), and the second connecting block (52) is connected to the second fixing block (51) through a pin shaft (53);

the connecting rod six (54) is fixedly connected to the left side of the connecting block II (52);

the connecting rod six (54) left side fixedly connected with installation pole (55), installation pole (55) left side fixedly connected with holding rod (56).

4. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 1, wherein: the rotating angles of the first rotating shaft (3) and the second rotating shaft (10) are 0-90 degrees.

5. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 1, wherein: the motor (25) is a servo motor.

6. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 1, wherein: the bolt (23) is a fixing bolt.

7. The device for training the rehabilitation limb of the cerebral palsy of the child according to claim 2, wherein: the first spring (17) and the second spring (20) are both disc springs.

8. The device for training the rehabilitation limbs for the cerebral palsy of children according to claim 3, wherein: the outer surface of the holding rod (56) is provided with anti-skid grains.

Technical Field

The invention relates to the technical field of welding, in particular to a training device for children cerebral palsy rehabilitation limbs.

Background

Cerebral palsy in children is caused by damage or injury to the brain of the developing brain before the birth of the child and during the period of newborn, and influences the movement and coordination of the child's body. For children and teenagers with the age of 7-17 who are part of mild or moderate cerebral palsy, the normal or near normal state can be improved through long-term regular treatment. The limbs of cerebral palsy of children are generally stiffer, and the cerebral palsy develops backward than normal children, and can not be walked by itself when walking, and the muscle tension is abnormal. In the rehabilitation of children with over-high muscle tension, long-term exercise training is needed to reestablish the standing, squatting and walking functions of the children.

In the real life, the treating doctor needs to kneel or bend down in half-squat on the ground after the child is laid to carry out rehabilitation massage on the child, and no matter when the child is actively treated or passively treated, the treating doctor needs to continuously assist the child to move all the time, the continuous bending of the treating doctor has great damage to the waist, and the treatment process is bitter, so that the child cerebral palsy rehabilitation limb training device is provided.

Disclosure of Invention

The invention aims to solve the problems, and provides a children cerebral palsy rehabilitation limb training device, which solves the problems that a treating physician needs to continuously assist a child patient to do exercise, the treating physician has great damage to the waist due to continuous bending, and the treatment process is bitter.

In order to solve the above problems, the present invention provides a technical solution: a children cerebral palsy rehabilitation limb training device comprises a base, universal wheels, a first rotating shaft, a first fixing block, a fixing rod, a first pin shaft, a first connecting rod, a supporting rod, a handle, a second rotating shaft, a glove box, a stabilizing device, a supporting frame, a first fixing plate, a bolt, a connector, a motor, a screw, a nut block, a second connecting rod, a mounting seat, a mounting block, a rope collecting box, a connecting rope, a first binding belt, a third connecting rod, a backrest plate, a hand frame, a steel plate, a protection pad, a second binding belt, a third rotating shaft, a fourth rotating shaft, a placing plate, a limiting belt, a third binding belt and a palm training device; universal wheels are fixedly connected to the periphery of the lower surface of the base; the middle left end of the base is connected with a first rotating shaft; the left side of the upper end of the base is fixedly connected with a first fixing block, and the fixing rod is connected to the first fixing block through a pin shaft; the left side of the upper end of the fixed rod is fixedly connected with a first connecting rod, the bottom end of the first connecting rod is connected with a supporting rod, and the left end of the first connecting rod is fixedly connected with a handle; the second rotating shaft is connected in the fixed rod; the center of the upper end of the base is connected with a glove box; the right side of the upper end of the base is fixedly connected with a stabilizing device; the support frame is fixedly connected to the stabilizing device; the right side of the fixed rod is fixedly connected with a first fixed plate, two sides of the first fixed plate are connected to the support frame through a first bolt, and the top end of the support frame is fixedly connected with a connector; the two sides of the top end of the stabilizing device are fixedly connected with motors, output shafts of the motors are fixedly connected with screws, the screws are connected with nut blocks through threads, the inner sides of the nut blocks are fixedly connected with connecting rods II, and mounting seats are fixedly connected in the connecting rods II; the right side of the connector is fixedly connected with an installation block, the bottom end of the installation block is fixedly connected with a rope collecting box, the bottom end of the rope collecting box is connected with a connecting rope, and the lower end of the connecting rope is connected with a first binding band; the connecting rod III is fixedly connected to the mounting seat, and the upper end of the right side of the connecting rod III is fixedly connected with a backrest plate; a hand frame is fixedly connected to the bottom end of the third right side of the connecting rod; the hand rest is characterized in that a steel plate is fixedly connected to the bottom end of the hand rest, a protection pad is connected to the outer side of the upper end of the steel plate, a second binding band is connected to the outer side of the protection pad in a wrapping mode, a third rotating shaft is arranged in the lower end of the steel plate, a fourth rotating shaft is arranged in the lower end of the steel plate and located below the third rotating shaft, a placing plate is fixedly connected to the bottom end of the steel plate, a limiting belt is arranged above the placing plate, the left end of the limiting belt is connected with the bottom end of the second binding band, and the third binding band is connected to the middle end of the placing plate in a wrapping mode; palm trainer fixed connection is in hand rack upper end right side.

Preferably, the specific structure of the stabilizing device is as follows: the device comprises a first mounting plate, a second mounting plate, a telescopic rod, a first spring seat, a first spring, a first connecting block, a second spring seat and a second spring; the upper end of the base is fixedly connected with a first mounting plate; a second mounting plate is arranged above the first mounting plate, telescopic rods are fixedly connected to two sides of the bottom end of the second mounting plate, and the second mounting plate is connected to the first mounting plate through the telescopic rods; the upper end of the mounting plate I is provided with a plurality of first spring seats, the first spring seats are connected with first springs, and the top ends of the first springs are connected to the bottom ends of the first connecting blocks; the bottom ends of the two mounting plates are provided with a plurality of spring seats II, the spring seats II are aligned with the spring seats I, springs II are connected in the spring seats II, and the bottom ends of the springs II are connected to the top end of the connecting block I.

Preferably, the palm training device has a specific structure that: the device comprises a connecting rod IV, a spring III, a mounting plate III, a gasket, a connecting rod V, a fixing block II, a connecting block II, a pin shaft, a connecting rod VI, a mounting rod and a holding rod; the fourth connecting rod is fixedly connected to the right side of the upper end of the hand frame; the outer surface of the upper end of the connecting rod III is connected with a spring III in a wrapping mode, the top end of the spring III is fixedly connected with a mounting plate III, and the upper end of the mounting plate III is fixedly connected with a gasket; the connecting rod five is fixedly connected to the hand frame and is positioned on the right side of the connecting rod four; the left side of the upper end of the connecting rod V is fixedly connected with a second fixing block, and the second connecting block is connected to the second fixing block through a pin shaft; the connecting rod six is fixedly connected to the left side of the connecting block II; six left sides fixedly connected with installation poles of connecting rod, installation pole left side fixedly connected with holding rod.

Preferably, the rotation angle of the first rotating shaft and the second rotating shaft is 0-90 degrees.

Preferably, the motor is a servo motor.

Preferably, the bolt is a fixing bolt.

Preferably, the first spring and the second spring are both disc springs.

Preferably, the outer surface of the holding rod is provided with anti-skid grains.

The invention has the beneficial effects that:

(1) the device has the advantages of reasonable and simple structure, low production cost, convenience in installation and complete functions, and can be disassembled and conveniently carried and installed through the rotating shaft I, the fixing block I, the fixing rod, the pin shaft I and the rotating shaft II.

(2) The invention can stably work the support frame, the motor, the screw rod, the nut block, the second connecting rod and the mounting seat through the arranged stabilizing device.

(3) The upper limbs of the children can be effectively stabilized and prevented from falling down through the rope collecting box, the connecting rope and the binding belt.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural diagram of the first embodiment of the present invention.

Fig. 3 is a partial structural schematic diagram of the present invention.

Fig. 4 is a schematic structural diagram of the stabilizing device of the present invention.

Fig. 5 is a schematic structural diagram of the palm training device of the present invention.

FIG. 6 is an enlarged partial view of the palm training device of the present invention.

1-a base; 2-universal wheels; 3, rotating a first shaft; 4, fixing a block I; 5-fixing the rod; 6-pin shaft I; 7-connecting rod one; 8-a support bar; 9-a grip; 10-a second rotating shaft; 11-a glove compartment; 12-a stabilizing device; 13-mounting the plate I; 14-mounting a second plate; 15-a telescopic rod; 16-spring seat one; 17-a first spring; 18-connecting a block I; 19-spring seat two; 20-spring two; 21-a support frame; 22-fixing the first plate; 23-a bolt; 24-a connector; 25-a motor; 26-screw rod; 27-nut block; 28-connecting rod two; 29-a mounting seat; 30-a mounting block; 31-rope-collecting box; 32-connecting ropes; 33-binding the first band; 34-connecting rod III; 35-backrest plate; 36-hand rack; 37-steel plate; 38-pad; 39-bandage two; 40-rotating shaft III; 41-rotating shaft four; 42-placing the plate; 43-a limit band; 44-bandage three; 45-palm training device; 46-connecting rod four; 47-spring three; 48-mounting a plate III; 49-a gasket; 50-connecting rod five; 51-a second fixed block; 52-connecting block two; 53-pin shaft; 54-connecting rod six; 55-mounting a rod; 56-grip bar.

Detailed Description

As shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a rehabilitation limb training device for children cerebral palsy comprises a base 1, universal wheels 2, a first rotating shaft 3, a first fixing block 4, a fixing rod 5, a first pin shaft 6, a first connecting rod 7, a supporting rod 8, a handle 9, a second rotating shaft 10, a glove box 11, a stabilizing device 12, a supporting frame 21, a first fixing block 22, a bolt 23, a connecting head 24, a motor 25, a screw 26, a nut block 27, a second connecting rod 28, a mounting seat 29, a mounting block 30, a rope collecting box 31, a connecting rope 32, a first binding belt 33, a third connecting rod 34, a backrest plate 35, a hand frame 36, a steel plate 37, a protective pad 38, a second binding belt 39, a third rotating shaft 40, a fourth rotating shaft 41, a placing plate 42, a limiting belt 43, a third binding belt 44 and a palm training device 45; universal wheels 2 are fixedly connected to the periphery of the lower surface of the base 1; the left end of the base 1 is connected with a first rotating shaft 3; a first fixing block 4 is fixedly connected to the left side of the upper end of the base 1, and the fixing rod 5 is connected to the first fixing block 4 through a first pin shaft 6; a first connecting rod 7 is fixedly connected to the left side of the upper end of the fixing rod 5, a supporting rod 8 is connected to the bottom end of the first connecting rod 7, and a handle 9 is fixedly connected to the left end of the first connecting rod 7; so that parents can support children; the second rotating shaft 10 is connected in the fixing rod 5; the center of the upper end of the base 1 is connected with a sundry box 11; the right side of the upper end of the base 1 is fixedly connected with a stabilizing device 12; the support frame 21 is fixedly connected to the stabilizing device 12; the right side of the fixed rod 5 is fixedly connected with a first fixed plate 22, two sides of the first fixed plate 22 are connected to a support frame 21 through a first bolt 23, and the top end of the support frame 21 is fixedly connected with a connector 24; the two sides of the top end of the stabilizing device 12 are fixedly connected with motors 25, output shafts of the motors 25 are fixedly connected with screws 26, the screws 26 are connected with nut blocks 27 through threads, the inner sides of the nut blocks 27 are fixedly connected with connecting rods II 28, and mounting seats 29 are fixedly connected in the connecting rods II 28; so that the heights of different children can be adjusted; the right side of the connector 24 is fixedly connected with an installation block 30, the bottom end of the installation block 30 is fixedly connected with a rope collecting box 31, the bottom end of the rope collecting box 31 is connected with a connecting rope 32, and the lower end of the connecting rope 32 is connected with a first binding belt 33; therefore, the upper limbs of the children can be bound more stably to prevent the children from falling forward; the third connecting rod 34 is fixedly connected to the mounting seat 29, and the upper end of the right side of the third connecting rod 34 is fixedly connected with a backrest plate 35; a hand frame 36 is fixedly connected to the bottom end of the right side of the third connecting rod 34; a steel plate 37 is fixedly connected to the bottom end of the hand frame 36, a protection pad 38 is connected to the outer side of the upper end of the steel plate 37, a second binding band 39 is connected to the outer side of the protection pad 38 in a wrapping manner, a third rotating shaft 40 is arranged in the lower end of the steel plate 37, a fourth rotating shaft 41 is arranged in the lower end of the steel plate 37 and is located below the third rotating shaft 40, a placing plate 42 is fixedly connected to the bottom end of the steel plate 37, a limiting belt 43 is arranged above the placing plate 42, the left end of the limiting belt 43 is connected with the bottom end of the second binding band 39, and a third binding band 44 is connected to the middle end of the placing plate 42 in a wrapping manner; the palm training device 45 is fixedly connected to the right side of the upper end of the hand frame 36.

As shown in fig. 4, the specific structure of the stabilizing device 12 is as follows: the device comprises a first mounting plate 13, a second mounting plate 14, a telescopic rod 15, a first spring seat 16, a first spring 17, a first connecting block 18, a second spring seat 19 and a second spring 20; the upper end of the base 1 is fixedly connected with a first mounting plate 13; a second mounting plate 14 is arranged above the first mounting plate 12, two sides of the bottom end of the second mounting plate 14 are fixedly connected with telescopic rods 15, and the second mounting plate 14 is connected to the first mounting plate 12 through the telescopic rods 15; the upper end of the mounting plate I12 is provided with a plurality of spring seats I16, the spring seats I16 are connected with springs I17, and the top ends of the springs I17 are connected to the bottom ends of the connecting blocks I18; the bottom end of the second mounting plate 14 is provided with a plurality of second spring seats 19, the second spring seats 19 are aligned with the first spring seats 16, the second spring seats 19 are connected with a second spring 20, and the bottom ends of the second spring 20 are connected to the top ends of the first connecting blocks 18; so that the support frame 21 can be more stable.

As shown in fig. 5 to 6, the specific structure of the palm training device 45 is as follows: the device comprises a fourth connecting rod 46, a third spring 47, a third mounting plate 48, a gasket 49, a fifth connecting rod 50, a second fixing block 51, a second connecting block 52, a pin shaft 53, a sixth connecting rod 54, a mounting rod 55 and a holding rod 56; the fourth connecting rod 46 is fixedly connected to the right side of the upper end of the hand frame 36; the outer surface of the upper end of the fourth connecting rod 46 is connected with a third spring 47 in a wrapping mode, the top end of the third spring 47 is fixedly connected with a third mounting plate 48, and the upper end of the third mounting plate 48 is fixedly connected with a gasket 49; the connecting rod five 50 is fixedly connected to the hand frame 36, and the connecting rod five 50 is positioned on the right side of the connecting rod four 46; the left side of the upper end of the connecting rod five 50 is fixedly connected with a fixing block two 51, and the connecting block two 52 is connected to the fixing block two 51 through a pin shaft 53; the connecting rod six 54 is fixedly connected to the left side of the connecting block two 52; six 54 left sides fixedly connected with installation pole 55 of connecting rod, installation pole 55 left side fixedly connected with holding rod 56 to make more convenient taking exercise of children's palm.

The rotating angle of the first rotating shaft 3 and the second rotating shaft 10 is 0-90 degrees; the motor 25 is a servo motor; the bolt 23 is a fixing bolt; the first spring 17 and the second spring 20 are both disc springs; the outer surface of the holding rod 56 is provided with anti-slip lines.

The using state of the invention is as follows: the invention has reasonable and simple structure, low production cost, convenient installation and complete functions, when in use, the arms of the children are firstly penetrated in the first binding belt 33, then the motor 25 is started to drive the screw rod 26 to rotate so as to adjust the height of the third connecting rod 34, the lower limbs of the children are placed on the steel plate 37 after adjustment and are fixed through the second binding belt 39, and then are fixed through the third binding belt 44 feet to prevent falling off, when great shaking occurs, the shaking generated by the lower limbs of the children can be eliminated through the first spring 17, the first connecting block 18 and the second spring 20, and then the arms of the children are placed on the third mounting plate 48, so that the palms of the children can be grasped on the holding rod 56 for training.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.