CN111956403B - Intracardiac branch of academic or vocational study first aid transfer device - Google Patents
Intracardiac branch of academic or vocational study first aid transfer device Download PDFInfo
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- CN111956403B CN111956403B CN202010915384.5A CN202010915384A CN111956403B CN 111956403 B CN111956403 B CN 111956403B CN 202010915384 A CN202010915384 A CN 202010915384A CN 111956403 B CN111956403 B CN 111956403B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
- A61G1/025—Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/013—Stretchers foldable or collapsible
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
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Abstract
The invention discloses an emergency transfer device for cardiology department; comprises a first hack lever and a second hack lever which are symmetrically arranged at two sides; a supporting plate is arranged between the first frame rod and the second frame rod; a connecting mechanism is arranged between the first frame rods, and the first frame rods are connected with a central frame rod through the connecting mechanism; a connecting mechanism is arranged between the second frame rods, and the second frame rods are connected with a central frame rod through the connecting mechanism; an air bag is arranged above the supporting plate; a bottom box is arranged below the central frame rod, a driving mechanism is arranged in the bottom box, and the driving mechanism is connected with a first auxiliary traveling mechanism and a second auxiliary traveling mechanism in a driving manner; handles are arranged at the end parts of the first hack lever and the second hack lever; a control box is arranged at the position of the first frame rod close to the handle; the control box is connected with the driving mechanism in a control way; the structure is light, and is small, and multiple regulation mode is convenient for increase rescue speed under the environment of difference, reduces the vibrations of transporting the in-process, promotes rescue speed.
Description
Technical Field
The invention belongs to the field of emergency transfer equipment, and particularly relates to an emergency transfer device for cardiology.
Background
The cardiology department, i.e., the cardiovascular department, is a clinical department set for diagnosis and treatment of cardiovascular diseases in major internal medicine of hospitals at all levels, and the treated diseases include angina pectoris, hypertension, sudden death, arrhythmia, heart failure, premature beat, arrhythmia, myocardial infarction, cardiomyopathy, myocarditis, acute myocardial infarction and other cardiovascular diseases.
When a disease of the cardiology department occurs, extra caution is needed in the transportation process, but shaking is inevitable in the transportation process, the shaking aggravates the deterioration of the disease, the disease condition can be aggravated by light people, the patient can directly die by heavy people, and the psychological burden and the borne risk of a doctor are greatly increased; the existing transfer device is generally a hospital stretcher, and is inconvenient to use and go upstairs and downstairs in the case of some old residential buildings; when field or mountain rescue is carried out, the movement is inconvenient, a lot of troubles are brought to medical personnel, and the risk of delaying treatment is increased.
Chinese patent application No. 201820795742.1 discloses an internal medicine first-aid transfer chair, which comprises a base, a telescopic support frame, a damping plate, a seat and a chair back; the top of the base is provided with a telescopic support frame, the top of the telescopic support frame is provided with a damping plate, the damping plate is connected with a seat through a damping spring, and the seat is hinged with a seat back; the bottom of the base is provided with universal wheels, and the base is also provided with a telescopic hand lifting rod, a telescopic pedal and a square groove for placing the telescopic pedal; the seat both sides are equipped with telescopic cylinder, and telescopic cylinder's the other end is articulated through telescopic link and back of the chair both sides, and the both sides of seat are equipped with the handrail, are equipped with control switch on the handrail, and seat one side is provided with the spout of a body structure, and spout top sliding connection has flexible transfusion rod, and the top of flexible transfusion rod can be dismantled and be provided with the infusion hook, still is provided with the push-and-pull handle on the back of the chair.
Above-mentioned technical scheme, though set up the gyro wheel, in the rescue of field or walking stair, there is very big inconvenience, increases the rescue degree of difficulty.
Chinese patent application No. 201320347927.3 discloses a stretcher is transported in slidable medical first aid, includes: the stretcher comprises a stretcher rod, a semi-lying position supporting frame, a manned soft object, upper leg supports, lower leg supports, universal wheels, an infusion support, a stretcher main body, a manned plate, movable guardrails, transverse guide rails and longitudinal guide rails; the upper supports of the four legs are respectively and fixedly connected to the two sides of the front portion and the rear portion of the stretcher main body through pin shafts, semi-lying position support frames are arranged above the upper supports, two longitudinal guide rails are arranged on the two sides inside the stretcher main body, two transverse guide rails are arranged at the two ends of the manned plate respectively, and manned soft objects are arranged above the manned plate.
Above-mentioned technical scheme is traditional stretcher form, needs two people to lift the rescue simultaneously at least, is unfavorable for the rescue in narrow and small space and special environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an emergency transfer device for cardiology department, which is flexible in structure and multiple in adjustment mode, facilitates the increase of rescue speed in different environments, reduces the vibration in the conveying process and improves the rescue speed.
The invention provides the following technical scheme:
an emergency transfer device for cardiology; comprises a first hack lever and a second hack lever which are symmetrically arranged at two sides; a supporting plate is arranged between the first frame rod and the second frame rod; a connecting mechanism is arranged between the first frame rods, and the first frame rods are connected with a central frame rod through the connecting mechanism; a connecting mechanism is arranged between the second frame rods, and the second frame rods are connected with a central frame rod through the connecting mechanism; an air bag is arranged above the supporting plate; a bottom box is arranged below the central frame rod, a driving mechanism is arranged in the bottom box, and the driving mechanism is connected with a first auxiliary traveling mechanism and a second auxiliary traveling mechanism in a driving manner; handles are arranged at the end parts of the first hack lever and the second hack lever; a control box is arranged at the position of the first frame rod close to the handle; the control box is connected with the driving mechanism in a control way;
the first rotating shaft and the second rotating shaft are arranged in the first frame rod and are rotationally connected with the first frame rod; the first rotating shaft is provided with a first gear, the second rotating shaft is provided with a second gear, and the first gear is meshed with the second gear; the outer side wall of the first gear is connected with a connecting rod, and the other end of the connecting rod is connected with the central frame rod; one end of the second gear is provided with a lock pin, and the lock pin penetrates through the first rack rod and the first gear to lock the first gear; the first frame rod is rotatably connected with the central rod through a connecting mechanism;
braces are connected below the first frame rod and the second frame rod, and bandages are arranged on one sides of the braces; the end part of the bandage is provided with a magic tape.
Preferably, the first auxiliary row mechanism and the second auxiliary row mechanism are provided with two groups; the two groups of first auxiliary mechanisms are symmetrically arranged on the left side and the right side of the bottom box, and the two groups of second auxiliary mechanisms are symmetrically arranged on the left side and the right side of the bottom box; the left end and the right end of the first auxiliary mechanism are both connected with a third supporting rod, and the third supporting rod is rotatably connected with the first driving shaft through a bearing; and the other end of the third supporting rod is rotatably provided with a large rotating wheel.
Preferably, the second auxiliary mechanism is driven in the same manner as the first auxiliary mechanism; the second auxiliary mechanism comprises a second supporting rod, one end of the second supporting rod is rotatably connected with the first supporting rod, and the other end of the second supporting rod is rotatably connected with a large rotating wheel; the other end of the first supporting rod is rotatably connected with a second driving shaft, and the second driving shaft is arranged in the bottom box; the second driving shaft is further connected with a fourth supporting rod, and the other end of the fourth supporting rod is rotatably connected with the first driving shaft.
Preferably, a supporting rod is arranged at the center of one side of the large rotating wheel, a double-row gear is arranged at the center of the supporting rod, a first chain wheel and a second chain wheel are arranged on the double-row gear, the other end of the first chain wheel is connected with a third rotating shaft through a gear, the end part of the third rotating shaft is connected with a first connecting rod, and the other end of the first connecting rod is connected with a first small wheel.
Preferably, the other end of the second chain wheel is connected with a fourth rotating shaft through a gear, the end part of the fourth rotating shaft is connected with a second connecting rod, and the other end of the second connecting rod is connected with a second small wheel.
Preferably, the inside first motor that is equipped with of end box, first motor passes through the gear and drives first drive shaft rotation, the both ends of first drive shaft all pass through the bearing rotation with the second bracing piece and are connected.
Preferably, the inside second motor that is equipped with of end box, the second motor passes through the gear and drives the second drive shaft rotation, the both ends of second drive shaft all pass through the bearing with first bracing piece and rotate and be connected.
Preferably, the control box is electrically connected with the first motor and the second motor.
Preferably, the bottom plate is made of soft materials or hard materials, the soft materials are non-woven fabrics, and the hard materials are stainless steel plates.
When rescue is carried out on the flat ground, a patient can be obliquely laid on the supporting plate, and if the patient needs to be transported and changed, the patient can go downstairs and walk on the stairs in the first mode: the first frame rod and the second frame rod are pulled in the same direction through the connecting structure arranged between the first frame rod and the central frame rod, the first frame rod is meshed with the second gear through the first gear, the first frame rod is adjusted to a proper angle, and is locked with the second gear through the arranged lock pin, so that the device is fixed; and finally, the patient is carried on the shoulder of the patient through the straps arranged on the first frame rod and the second frame rod, and the patient is quickly and safely transported down stairs.
The second mode is that the patient is pushed to be transported downstairs from the step through the large rotating wheel and the small rotating wheel which are alternatively operated by the arranged first auxiliary mechanism and the first auxiliary mechanism; in the process, the first motor and the second motor are controlled and driven by the control box to go up and down stairs; the first motor drives the first rotating shaft, the two ends of the first rotating shaft are connected with the first chain and the second chain respectively, the first rotating shaft and the second rotating shaft are further driven, and the first connecting rod and the second connecting rod rotate in the same direction and at the same speed; when the first small wheel tower goes up a step, the second small wheel is in a suspended state, the rotating wheel is in contact with the flat ground to play a supporting role, and when the second small wheel is in contact with the ground, the large rotating wheel is lifted to leave the ground; the first connecting rod continues to rotate, the large rotating wheel is conveyed to the step, in the process, the first small wheel plays a supporting role on the step, and when the gravity center of the large rotating wheel is transferred to the step, the second small wheel retracts along with the rotation of the second connecting rod; at the moment, the second motor drives the large rotating wheel of the first auxiliary mechanism of the second driving shaft to keep a rolling state and move forward along with the whole device; when the first connecting rod and the second connecting rod continue to rotate to 360 degrees and return to the initial positions, climbing of one step is completed, and the step climbing is a complete climbing step; when the large rotating wheel of the first auxiliary traveling mechanism contacts with the step, the center of the device is changed, the first supporting rod and the second supporting rod are driven by the second motor to rotate and adjust the angle properly, the second supporting rod is kept perpendicular to the ground all the time, and the actions are repeated to finish the climbing of the first auxiliary traveling mechanism; therefore, the whole climbing process is realized, and climbing and obstacle crossing can be completed by repeated actions; the descending step is opposite to the movement process of the secondary step.
Through the mode that above-mentioned climbs or descends, when just rescuing in field or mountain region, can save medical personnel's physical power, through the cooperation of big runner and little runner, can accomplish the climbing on step, the little rock, promote rescue speed, save medical personnel's physical power.
Preferably, in the process of climbing or descending, in order to increase the mechanical speed of lifting the device and prevent the first connecting rod and the second connecting rod from colliding with each other or being stuck, the rescue speed is further lifted; the length of the first connecting rod and the length of the second connecting rod are D1; the length of the supporting rod is D2, in the process of rotation of the first connecting rod and the second connecting rod, the supporting rod is prevented from colliding with each other, the value range of D2 is 175-plus 190mm, the value range of D2 is 115-plus 130mm, and the radius r of the small rotating wheel meets the following requirements: r = δ · (D2-D1); delta is an error adjusting coefficient, and the value range is 0.95-1.05.
When the device is in a Shangluo or downstairs, the horizontal distance L1 between the circle centers of the front and rear large rotating wheels is the width w of n steps; the vertical distance L2 between the centers of the front and the rear large rotating wheels is the height h of n steps; n is required to meet the motion stability of the device and the total length of the first auxiliary traveling mechanism and the second auxiliary traveling mechanism, the larger the value of n is, the smaller the ascending amplitude of the gravity center of the single-step action of going upstairs is, the stable operation is realized, but the longer total length of the device and the flexibility of the imaging device are required; the smaller n is, the larger the ascending amplitude of the gravity center of the single-step action of going upstairs is, the larger the swing amplitude is, the smaller the total length is, and the higher the flexibility degree is. n satisfies the relationship: n = L1/w = L2/h; the value range of n is more than or equal to 1 and less than or equal to 3, and n is an integer; l1, L2 units mm.
Preferably, the length of the first supporting rod is S1, and the lengths of the fourth supporting rods are the same and are all S2; in order to improve the stability of the device in the operation process, effectively reduce the center of gravity, reduce the swing amplitude and reduce the ground clearance of the patient, S1 satisfies the following relational expression: s1= phi (2 h) 2 +（2w-S2） 2 ） 1/2 (ii) a The units of S1 and S2 are mm; phi is a height compensation coefficient in the running process of the device, and the value range is 0.93-1.09; in the actual operation process, the height difference of the front and the rear large rotating wheels is compensated in real time, so that the safety and the stability in the conveying process are improved.
Compared with the prior art, the invention has the following beneficial effects:
(1) the first-aid transferring device for department of cardiology can be flexibly adjusted, the first frame rod and the second frame rod are pulled in the same direction through the connecting structure arranged between the first frame rod and the central frame rod, the first frame rod is meshed with the second gear through the first gear, the first frame rod is adjusted to a proper angle, and the first frame rod and the second gear are locked through the arranged lock pin to fix the device; finally, the patient is carried on the shoulder of the patient through the straps arranged on the first frame rod and the second frame rod, and the patient is quickly and safely transported down stairs.
(2) According to the first-aid transfer device for the department of cardiology, disclosed by the invention, through a climbing or descending mode of the first auxiliary mechanism and the second auxiliary mechanism, when rescue is carried out in the field or in a mountain region, the physical strength of medical workers can be saved, through the matching of the large rotating wheel and the small rotating wheel, the climbing on steps and small rocks can be completed, the rescue speed is increased, and the physical strength of the medical workers is saved.
(3) According to the emergency transferring device for the cardiology department, the air bags are arranged on the supporting plate, so that rescue in water is facilitated, and the operation is convenient as only the bottom box needs to be detached during rescue in water.
(4) According to the emergency transfer device for the cardiology department, the mechanical speed of the device is improved by limiting the radius of the small wheel and the relation between the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod are prevented from colliding with each other or being stuck, and the rescue speed is further improved.
(5) According to the emergency transferring device for cardiology department, disclosed by the invention, by limiting the horizontal distance between the circle centers of the front and rear large rotating wheels, the vertical distance between the circle centers of the front and rear large rotating wheels and the relation between the height and width of the stair step, in the operation process, the stability is increased, the gravity center of the device is reduced, the shaking feeling of patients is reduced, and the rescue effect is improved.
(6) According to the emergency transfer device for the cardiology department, the height difference formed by the device can be effectively compensated by limiting the relation between the lengths of the first support rod and the fourth support rod and the height and width of the stair steps, so that the stability of the device in the operation process is improved, the center of gravity is effectively reduced, the swing amplitude is reduced, and the ground clearance of a patient is reduced; further increasing safety performance and stability.
(7) The emergency transfer device for the cardiology department is flexible in structure, small in size and free of limitation of the size of a stair when rescue is carried out.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the folding structure of the present invention.
Fig. 3 is a front view of the folding structure of the present invention.
FIG. 4 is a schematic view of the secondary mechanism of the present invention.
FIG. 5 is an enlarged partial schematic view of the secondary mechanism of the present invention.
Fig. 6 is a schematic view of the connection structure of the present invention.
Fig. 7 is a side view of the connection structure of the present invention.
Fig. 8 is a schematic view of the internal driving structure of the back box of the present invention.
Fig. 9 is a schematic view of the downstairs process of the present invention.
In the figure: 1. a first frame bar; 2. a support plate; 3. an air bag; 4. a connecting mechanism; 5. a bottom case; 6. a first auxiliary traveling mechanism; 7. a second auxiliary mechanism; 8. a control box; 9. a handle; 10. a harness; 11. a bandage; 12. a first drive shaft; 13. a second drive shaft; 14. a first support bar; 15. a second support bar; 16. a third support bar; 17. a fourth support bar; 18. a first chain; 19. a first motor; 20. a second chain; 21. a second motor; 101. a second frame bar; 102. a central frame bar; 401. a first rotating shaft; 402. a second rotating shaft; 403. a first gear; 404. a second gear; 405. a connecting rod; 406. a lock pin; 701. a large rotating wheel; 702. a strut; 703. a third rotating shaft; 704. a fourth rotating shaft; 705. a first link; 706. a first small wheel; 707. a second link; 708. the second small wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, 6 and 7, a first aid transfer device for cardiology; comprises a first frame rod 1 and a second frame rod 101 which are symmetrically arranged at two sides; a supporting plate 2 is arranged between the first frame rod 1 and the second frame rod 101; a connecting mechanism is arranged between the first frame rods 1, and the first frame rods 1 are connected with a central frame rod 102 through the connecting mechanism; a connecting mechanism is arranged between the second frame rods 101, and the second frame rods 101 are connected with a central frame rod 102 through the connecting mechanism; an air bag 3 is arranged above the supporting plate 2; a bottom box 5 is arranged below the central frame rod 102, a driving mechanism is arranged in the bottom box 5, and the driving mechanism is in driving connection with a first auxiliary mechanism 6 and a second auxiliary mechanism 7; the end parts of the first hack lever 1 and the second hack lever 101 are both provided with handles 9; a control box 8 is arranged at the position of the first frame rod 1 close to the handle 9; the control box 8 is connected with the driving mechanism in a control way;
the connecting mechanism comprises a first rotating shaft 401 and a second rotating shaft 402, wherein the first rotating shaft 401 and the second rotating shaft 402 are both arranged inside the first rack bar 1 and are rotatably connected with the first rack bar 1; the first rotating shaft 401 is provided with a first gear 403, the second rotating shaft 402 is provided with a second gear 404, and the first gear 403 and the second gear 404 are meshed with each other; the outer side wall of the first gear 403 is connected with a connecting rod 405, and the other end of the connecting rod 405 is connected with the central frame rod 102; one end of the second gear 404 is provided with a lock pin 406, and the lock pin 406 penetrates through the first rack bar 1 and the first gear 403 to lock the first gear 403; the first frame rod 1 is rotatably connected with the central rod through a connecting mechanism;
when rescue is carried out on flat ground, a patient can lie on the supporting plate 2 in an inclined mode, and if the patient needs to be transported and changed to go upstairs or downstairs, the first mode is as follows: the first frame rod 1 and the second frame rod 101 are pulled in the same direction through the connecting mechanism 4 arranged between the first frame rod 1 and the central frame rod 102, the first frame rod 1 is meshed with the second gear 404 through the first gear 403, the first frame rod 1 is adjusted to a proper angle, and is locked with the second gear 404 through the arranged lock pin 406, so that the device is fixed, at the moment, the device forms a U-shaped structure, a patient sits in a U-shaped groove formed by the first frame rod 1 and the central frame rod 102, and then the bandage 11 arranged between the first frame rod 1 and the second frame rod 101 is used for fixing the body of the patient, so that the patient is prevented from falling and falling; finally, the patient is carried on the shoulder of the patient through the straps 10 arranged on the first frame rod 1 and the second frame rod 101, and the patient can be quickly and safely transported down stairs.
Example two:
as shown in fig. 2 to 5, on the basis of the first embodiment, a back belt 10 is connected below each of the first frame bar 1 and the second frame bar 101, and a bandage 11 is arranged on one side of the back belt 10; the end part of the bandage 11 is provided with a magic tape; the first auxiliary mechanism 6 and the second auxiliary row are provided with two groups; the two groups of first auxiliary mechanisms 6 are symmetrically arranged at the left side and the right side of the bottom box 5, and the two groups of second auxiliary mechanisms 7 are symmetrically arranged at the left side and the right side of the bottom box 5; the first auxiliary mechanism 6 is provided with a first driving shaft 12, the left end and the right end of the first driving shaft 12 are both connected with a third supporting rod 16, and the third supporting rod 16 is rotatably connected with the first driving shaft 12 through a bearing; the other end of the third support bar 16 is rotatably provided with a large rotating wheel 701.
The second auxiliary mechanism 7 is driven in the same way as the first auxiliary mechanism 6; the second auxiliary mechanism 7 comprises a second support rod 15, one end of the second support rod 15 is rotatably connected with a first support rod 14, and the other end of the second support rod 15 is rotatably connected with a large rotating wheel 701; the other end of the first supporting rod 14 is rotatably connected with a second driving shaft 13, and the second driving shaft 13 is arranged in the bottom box 5; the second driving shaft 13 is further connected with a fourth supporting rod 17, and the other end of the fourth supporting rod 17 is rotatably connected with the first driving shaft 12.
A supporting rod 702 is arranged at the center of one side of the large rotating wheel 701, a double-row gear is arranged at the center of the supporting rod 702, a first chain wheel and a second chain wheel are arranged on the double-row gear, the other end of the first chain wheel is connected with a third rotating shaft 703 through a gear, the end part of the third rotating shaft 703 is connected with a first connecting rod 705, and the other end of the first connecting rod 705 is connected with a first small wheel 706.
The other end of the second chain wheel is connected with a fourth rotating shaft 704 through a gear, the end part of the fourth rotating shaft 704 is connected with a second connecting rod 707, and the other end of the second connecting rod 707 is connected with a second small wheel 708; a first motor 19 is arranged in the bottom box 5, the first motor 19 drives a first driving shaft 12 to rotate through a gear, and two ends of the first driving shaft 12 are rotatably connected with a second supporting rod 15 through bearings; a second motor 21 is arranged in the bottom box 5, the second motor 21 drives a second driving shaft 13 to rotate through a gear, and two ends of the second driving shaft 13 are rotatably connected with the first supporting rod 14 through bearings; the control box 8 is connected with a first motor 19 and a second motor 21 through electric conduction; the bottom plate is made of soft materials or hard materials, the soft materials are non-woven fabrics, and the hard materials are stainless steel plates.
As shown in fig. 8, the patient is pushed from the step to the downstairs by the first auxiliary mechanism 6 and the first auxiliary mechanism 6 which are arranged to alternately operate the large wheel 701 and the small wheel; in the process, the control box 8 controls and drives the first motor 19 and the second motor 21 to go up and down stairs; a first motor 19 drives a first rotating shaft 401, a first chain 18 and a second chain 20 are connected to two ends of the first rotating shaft 401, and further driven, a first connecting rod 705 and a second connecting rod 707 rotate in the same direction and at the same speed; when the first small wheel 706 goes up a step on the tower, the second small wheel 708 is in a suspended state, the rotating wheel contacts the flat ground to play a supporting role, and when the second small wheel 708 contacts the ground, the large rotating wheel 701 is lifted off the ground; the first connecting rod 705 continues to rotate, the large rotating wheel 701 is sent to a step, in the process, the first small wheel 706 plays a supporting role on the step, and when the gravity center of the large rotating wheel 701 is transferred to the step, the second small wheel 708 retracts along with the rotation of the second connecting rod 707; at this time, the second motor 21 drives the second driving shaft 13, and the large wheel 701 of the first auxiliary mechanism 6 keeps a rolling state and moves forward along with the whole device; when the first connecting rod 705 and the second connecting rod 707 continue to rotate to 360 degrees and return to the initial position, the climbing of one step is completed, which is a complete climbing step; when the large rotating wheel 701 of the first auxiliary mechanism 6 contacts with a step, the center of the device is changed, the second motor 21 drives the first supporting rod 14 and the second supporting rod 15 to rotate and adjust the angle properly, the second supporting rod 15 is kept perpendicular to the ground all the time, and the actions are repeated to finish the climbing of the first auxiliary mechanism 6; therefore, the whole climbing process is realized, and the climbing and obstacle crossing can be completed by repeated actions; the descending step is opposite to the movement process of the secondary step.
Through the mode that the aforesaid climbed or descend, when just rescuing in field or mountain region, can save medical personnel's physical power, through the cooperation of bull wheel 701 and little runner, can accomplish the climbing on step, the little rock, promote rescue speed, save medical personnel's physical power.
Example three:
as shown in fig. 9, on the basis of the first embodiment, a supporting rod 702 is arranged at a central position of one side of the large rotating wheel 701, a double gear is arranged at a central position of the supporting rod 702, a first chain wheel and a second chain wheel are arranged on the double gear, the other end of the first chain wheel is connected with a third rotating shaft 703 through a gear, the end of the third rotating shaft 703 is connected with a first connecting rod 705, and the other end of the first connecting rod 705 is connected with a first small wheel 706.
The other end of the second chain wheel is connected with a fourth rotating shaft 704 through a gear, the end part of the fourth rotating shaft 704 is connected with a second connecting rod 707, and the other end of the second connecting rod 707 is connected with a second small wheel 708; a first motor 19 is arranged in the bottom box 5, the first motor 19 drives a first driving shaft 12 to rotate through a gear, and two ends of the first driving shaft 12 are rotatably connected with a second supporting rod 15 through bearings; a second motor 21 is arranged in the bottom box 5, the second motor 21 drives a second driving shaft 13 to rotate through a gear, and two ends of the second driving shaft 13 are rotatably connected with the first supporting rod 14 through bearings; the control box 8 is connected with a first motor 19 and a second motor 21 through electric conduction; the bottom plate is made of soft materials or hard materials, the soft materials are non-woven fabrics, and the hard materials are stainless steel plates; in the process of climbing or descending, in order to increase the mechanical speed of lifting the device and prevent the first connecting rod 705 and the second connecting rod 707 from colliding with each other or being stuck, the rescue speed is further lifted; the length of the first connecting rod 705 and the second connecting rod 707 is D1; the length of the supporting rod 702 is D2, the supporting rod 702 is prevented from colliding with each other in the rotating process of the first connecting rod 705 and the second connecting rod 707, the value range of D2 is 175-190mm, the value range of D2 is 115-130mm, and the radius r of the small rotating wheel meets the following requirements: r = δ · (D2-D1); delta is an error adjusting coefficient, and the value range is 0.95-1.05.
Example four
On the basis of the first embodiment, a shoulder strap 10 is connected below the first frame rod 1 and the second frame rod 101, and a bandage 11 is arranged on one side of the shoulder strap 10; the end part of the bandage 11 is provided with a magic tape; two groups of first auxiliary mechanisms 6 and two groups of second auxiliary mechanisms are arranged; the two groups of first auxiliary mechanisms 6 are symmetrically arranged at the left side and the right side of the bottom box 5, and the two groups of second auxiliary mechanisms 7 are symmetrically arranged at the left side and the right side of the bottom box 5; the first auxiliary mechanism 6 is provided with a first driving shaft 12, the left end and the right end of the first driving shaft 12 are both connected with a third supporting rod 16, and the third supporting rod 16 is rotatably connected with the first driving shaft 12 through a bearing; the other end of the third support rod 16 is rotatably provided with a large rotating wheel 701; when the device climbs or descends stairs, the horizontal distance L1 between the circle centers of the front and rear large rotating wheels 701 is the width w of n steps; the vertical distance L2 between the centers of the front and rear bull wheels 701 is the height h of n steps; n is required to meet the motion stability of the device and the total length of the first auxiliary mechanism 6 and the second auxiliary mechanism 7, the larger the value of n is, the smaller the ascending amplitude of the gravity center of the single step movement of going upstairs is, the stable operation is realized, but the longer the total length of the device and the flexibility of the imaging device are required; the smaller n is, the larger the ascending amplitude of the gravity center of the one-step action of going upstairs is, the larger the swing amplitude is, the smaller the total length is, and the higher the flexibility degree is. n satisfies the relationship: n = L1/w = L2/h; the value range of n is more than or equal to 1 and less than or equal to 3, and n is an integer; l1, L2 units mm.
The length of the first supporting rod 14 is S1, and the lengths of the fourth supporting rods 17 are the same and are S2; in order to improve the stability of the device in the operation process, effectively reduce the gravity center, reduce the swing amplitude and reduce the ground clearance of the patient, S1 satisfies the following relational expression: s1= phi. (2 h) 2 +（2w-S2） 2 ） 1/2 (ii) a The units of S1 and S2 are mm; phi is a height compensation coefficient in the running process of the device, and the value range is 0.93-1.09; in the actual operation process, the height difference of the front and rear large rotating wheels 701 is compensated in real time, so that the safety and the stability of the conveying process are improved.
The device obtained through the technical scheme is a cardiology department emergency transfer device which can be flexibly adjusted, the first frame rod 1 and the second frame rod 101 are pulled in the same direction through the connecting mechanism 4 arranged between the first frame rod 1 and the central frame rod 102 and are meshed with each other through the first gear 403 and the second gear 404, the first frame rod 1 is adjusted to a proper angle and is locked with the second gear 404 through the arranged lock pin 406, so that the device is fixed, at the moment, the device forms a U-shaped structure, a patient sits in a U-shaped groove formed by the first frame rod 1 and the central frame rod 102, and then the body of the patient is fixed through the bandage 11 arranged between the first frame rod 1 and the second frame rod 101, so that the patient is prevented from falling and falling; finally, the patient is carried on the shoulder of the patient through the straps 10 arranged on the first frame rod 1 and the second frame rod 101, and the patient is quickly and safely transported down the stairs; through the climbing or descending mode of the first auxiliary mechanism 6 and the second auxiliary mechanism 7, when rescue is carried out in the field or on mountainous regions, the physical strength of medical personnel can be saved, the climbing on steps and small rocks can be completed through the matching of the large rotating wheel 701 and the small rotating wheel, the rescue speed is increased, and the physical strength of the medical personnel is saved; the air bag 3 is arranged on the supporting plate 2, so that rescue in water is facilitated, and when rescue in water is achieved, the bottom box 5 only needs to be detached, so that operation is convenient; the mechanical speed of the device is improved by limiting the radius of the small wheel and the relation between the first connecting rod 705 and the second connecting rod 707, the situation that the first connecting rod 705 and the second connecting rod 707 collide with each other or are blocked is prevented, and the rescue speed is further improved; by limiting the horizontal distance between the circle centers of the front and rear large rotating wheels 701, the vertical distance between the circle centers of the front and rear large rotating wheels 701 and the relation between the height and the width of the stair steps, in the operation process, the stability is increased, the gravity center of the device is lowered, the shaking feeling of a patient is reduced, and the rescue effect is improved; by limiting the relationship between the lengths of the first supporting rod 14 and the fourth supporting rod 17 and the height and width of the stair steps, the height difference formed by the device can be effectively compensated, the stability of the device in the operation process is improved, the center of gravity is effectively reduced, the swing amplitude is reduced, and the ground clearance of a patient is reduced; the safety performance and the stability are further improved; the structure is flexible, the volume is small, and the rescue is not limited by the size of the stairs.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An emergency transfer device for cardiology; comprises a first frame rod (1) and a second frame rod (101) which are symmetrically arranged at two sides; the device is characterized in that a supporting plate (2) is arranged between the first frame rod (1) and the second frame rod (101); a connecting mechanism (4) is arranged between the first frame rods (1), and the first frame rods (1) are connected with a central frame rod (102) through the connecting mechanism (4); a connecting mechanism (4) is arranged between the second frame rods (101), and the second frame rods (101) are connected with a central frame rod (102) through the connecting mechanism (4); an air bag (3) is arranged above the supporting plate (2); a bottom box (5) is arranged below the central frame rod (102), a driving mechanism is arranged in the bottom box (5), and the driving mechanism is in driving connection with a first auxiliary mechanism (6) and a second auxiliary mechanism (7); the end parts of the first frame rod (1) and the second frame rod (101) are respectively provided with a handle (9); a control box (8) is arranged at the position of the first frame rod (1) close to the handle (9); the control box (8) is connected with the driving mechanism in a control way;
the connecting mechanism (4) comprises a first rotating shaft (401) and a second rotating shaft (402), and the first rotating shaft (401) and the second rotating shaft (402) are arranged inside the first rack rod (1) and are rotationally connected with the first rack rod (1); a first gear (403) is arranged on the first rotating shaft (401), a second gear (404) is arranged on the second rotating shaft (402), and the first gear (403) and the second gear (404) are meshed with each other; the outer side wall of the first gear (403) is connected with a connecting rod (405), and the other end of the connecting rod (405) is connected with the central frame rod (102); one end of the second gear (404) is provided with a lock pin (406), and the lock pin (406) penetrates through the first rack rod (1) and the first gear (403) to lock the first gear (403); the first frame rod (1) is rotatably connected with the central rod through a connecting mechanism (4);
a back belt (10) is connected to the lower parts of the first frame rod (1) and the second frame rod (101), and a bandage (11) is arranged on one side of the back belt (10); the end part of the bandage (11) is provided with a magic tape;
the first auxiliary traveling mechanism (6) and the second auxiliary traveling mechanism (7) are provided with two groups; two groups of first auxiliary mechanisms (6) are symmetrically arranged at the left side and the right side of the bottom box (5), and two groups of second auxiliary mechanisms (7) are symmetrically arranged at the left side and the right side of the bottom box (5); the first auxiliary traveling mechanism (6) comprises a first driving shaft (12), the left end and the right end of the first driving shaft (12) are both connected with a third supporting rod (16), and the third supporting rod (16) is rotatably connected with the first driving shaft (12) through a bearing; the other end of the third supporting rod (16) is rotatably provided with a large rotating wheel (701);
the second auxiliary running mechanism (7) is driven in the same way as the first auxiliary running mechanism (6); the second auxiliary mechanism (7) comprises a second supporting rod (15), one end of the second supporting rod (15) is rotatably connected with a first supporting rod (14), and the other end of the second supporting rod (15) is rotatably connected with a large rotating wheel (701); the other end of the first supporting rod (14) is rotatably connected with a second driving shaft (13), and the second driving shaft (13) is arranged in the bottom box (5); the second driving shaft (13) is also connected with a fourth supporting rod (17), and the other end of the fourth supporting rod (17) is rotatably connected with the first driving shaft (12);
a supporting rod (702) is arranged at the center of one side of the large rotating wheel (701), a double-row gear is arranged at the center of the supporting rod (702), a first chain wheel and a second chain wheel are arranged on the double-row gear, the other end of the first chain wheel is connected with a third rotating shaft (703) through a gear, the end part of the third rotating shaft (703) is connected with a first connecting rod (705), and the other end of the first connecting rod (705) is connected with a first small wheel (706); the other end of the second chain wheel is connected with a fourth rotating shaft (704) through a gear, the end part of the fourth rotating shaft (704) is connected with a second connecting rod (707), and the other end of the second connecting rod (707) is connected with a second small wheel (708);
the length of the first connecting rod and the length of the second connecting rod are D1; the length of the support rod is D2, the support rod is prevented from colliding with the support rod in the rotating process of the first connecting rod and the second connecting rod, the value range of D1 is 175-190mm, the value range of D2 is 115-130mm, and the radius r of the small rotating wheel meets the following requirements: r = δ · (D2-D1); delta is an error adjusting coefficient, and the value range is 0.95-1.05;
the horizontal distance L1 between the centers of the front and the rear large rotating wheels is the width w of n steps; the vertical distance L2 between the centers of the front and the rear large rotating wheels is the height h of n steps; n is required to meet the motion stability of the device and the total length of the first auxiliary traveling mechanism and the second auxiliary traveling mechanism, the larger the value of n is, the smaller the ascending amplitude of the gravity center of the single-step action of going upstairs is, the stable operation is realized, but the longer total length of the device is required, so that the flexibility of the device is influenced; the smaller n is, the larger the ascending amplitude of the gravity center of the single-step action of going upstairs is, the larger the swing amplitude is, the smaller the total length is, and the higher the flexibility is; n satisfies the relationship: n = L1/w = L2/h; n is an integer; l1, L2 units mm;
the length of the first supporting rod is S1, and the lengths of the fourth supporting rods are all S2; in order to improve the stability of the device in the operation process, effectively reduce the gravity center, reduce the swing amplitude and reduce the ground clearance of the patient, S1 satisfies the following relational expression: s1= phi. (2 h) 2 +（2w-S2） 2 ） 1/2 (ii) a The units of S1 and S2 are mm; phi is a height compensation coefficient in the running process of the device, and the value range is 0.93-1.09; in the actual operation process, the height difference of the front and the rear large rotating wheels is compensated in real time, so that the safety and the stability in the conveying process are improved.
2. The first-aid transfer device for cardiology department according to claim 1, wherein a first motor (19) is disposed inside the bottom case (5), the first motor (19) drives a first driving shaft (12) to rotate through a gear, and both ends of the first driving shaft (12) are rotatably connected to the second supporting rod (15) through a bearing.
3. The emergency transfer device for cardiology department according to claim 2, wherein a second motor (21) is disposed inside the bottom case (5), the second motor (21) drives a second driving shaft (13) to rotate through a gear, and both ends of the second driving shaft (13) are rotatably connected to the first supporting rod (14) through a bearing.
4. An emergency transfer device according to claim 3, wherein the control box (8) is connected to the first motor (19) and the second motor (21) by electrical conduction.
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| CN113665938B (en) * | 2021-07-13 | 2023-07-21 | 深圳市哲弘实业有限公司 | Fire rescue equipment |
| CN113648137B (en) * | 2021-08-24 | 2024-01-26 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | Split type bed ware of crossing based on personnel's first aid is transported space and is adjusted |
| CN113662760B (en) * | 2021-08-30 | 2023-08-15 | 西安交通大学医学院第一附属医院 | Folding disaster area medical rescue stretcher convenient to go upstairs |
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