Intelligent transfer flatcar

Abstract

The invention discloses an intelligent transfer flatcar, and relates to the technical field of medical care equipment, the intelligent transfer flatcar comprises a lifting platform, and at least four universal wheels are arranged at the bottom of the lifting platform; through the arrangement of the movable clamping plate, the T-shaped telescopic plate, the locking plate, an inserting rod, a clamping spring, a plurality of locking grooves, a wedge-shaped block and a fixed clamping plate, butt joint between the sickbed and the flatcar is achieved, and a bed plate of the sickbed is clamped, so that the situation of rollover caused by gravity center change due to movement of a patient during transferring is avoided; the transfer safety is guaranteed, the sickbed is automatically clamped and fixed, additional operation is not needed, a user can judge whether the flatcar is in butt joint with the bed board in place or not according to clamping sound generated when a clamping spring resets to drive a movable clamping plate to reset after the flatcar abuts against the bed board, space for the user to observe whether clamping is tight or not does not need to be reserved, the distance between the flatcar and the sickbed is shortened, and the safety of the flatcar is improved. The extension distance of the movable clamping plate and the fixed clamping plate is reduced, excessive bending is avoided, and the service life is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of medical care equipment, and specifically to an intelligent transfer stretcher. Background Art

[0002] In hospitals, stretchers are commonly used to transfer critically ill or immobile inpatients back and forth between wards, examination rooms, and operating rooms. Before examinations or surgeries, patients need to leave the ward, be transferred from the hospital bed to the stretcher, and then accompanied by medical staff to the examination room. Currently, this transfer is completed by multiple medical staff through manual handling. After examinations or surgeries, when patients return to the ward, they need to be transferred from the stretcher to the hospital bed, and the process is similar to the previous one but in the opposite direction.

[0003] In the prior art, when transferring a patient to or from a hospital bed, the center of gravity deviation is likely to cause the stretcher to tip over, especially for some patients with a heavier weight, and the risk during the transfer process is too high. Summary of the Invention

[0004] The technical solution of the present invention provides a solution significantly different from the prior art for the technical problem that the solution of the prior art is too single. Specifically, the purpose of the present invention is to provide an intelligent transfer stretcher to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An intelligent transfer stretcher, including a chassis, including a lifting platform. At least four universal wheels are provided at the bottom of the lifting platform, and four elastic telescopic shafts are provided at the top of the lifting platform. A transfer plate is provided at the top of several elastic telescopic shafts. A placement groove is provided at the top of the transfer plate, and a flipping plate is placed inside the placement groove. Two clamping mechanisms for docking the hospital bed and the stretcher and maintaining the transfer stability are symmetrically provided at the top of the lifting platform. An adjusting mechanism for adjusting the clamping thickness is provided inside both clamping mechanisms. A telescopic mechanism is provided at the bottom of the transfer plate, and a flipping mechanism is provided at the bottom of the transfer plate.

[0006] Preferably, both clamping mechanisms include a movable clamping plate, a T-shaped telescopic plate, a locking plate, a plugging column, a clamping spring, a plurality of locking grooves, a wedge block, and a fixed clamping plate. The fixed clamping plate is slidably provided at the bottom of the transfer plate in a limited manner. The T-shaped telescopic plate is fixedly provided at the bottom of the fixed clamping plate. The movable clamping plate is movably sleeved on the T-shaped telescopic plate. The plugging column is fixedly provided at the bottom of the fixed clamping plate. The two ends of the clamping spring are respectively fixedly connected to the fixed clamping plate and the movable clamping plate. The locking plate is fixedly provided at the bottom of the fixed clamping plate, and the locking plate is inserted and matched with the movable clamping plate. A plurality of locking grooves are arranged in a linear array on the locking plate. The wedge block is fixedly provided at one end of the T-shaped telescopic rod close to the locking plate.

[0007] Preferably, both of the adjusting mechanisms include an inclined surface, a fixing plate, an inclined slot, a U-shaped plate, a plugging column, a limiting shaft and a reset spring. The inclined surface is arranged at one end of the T-shaped telescopic plate close to the wedge-shaped block. The fixing plate is fixedly arranged at the top of the lifting platform. The inclined slot is arranged on the fixing plate. The U-shaped plate is plugged and arranged inside the movable clamping plate. The plugging column is fixedly arranged on the U-shaped plate. The reset spring is fixedly arranged on the U-shaped plate. The limiting shaft is rotatably arranged at the end of the plugging column.

[0008] Preferably, the two inclined surfaces are in contact and cooperation with the corresponding U-shaped plates, and the two limiting shafts slide in the corresponding inclined slots.

[0009] Preferably, both of the telescopic mechanisms include a rack, a long plate, a gear and a driving motor. The long plate is fixedly sleeved on the elastic telescopic shaft. The driving motor is fixedly arranged on the side wall of the long plate. The gear is fixedly arranged at the end of the output shaft of the driving motor. The rack is fixedly arranged at the bottom of the transfer plate. The rack and the gear are meshed with each other.

[0010] Preferably, the limiting assembly includes a limiting plate, a limiting slot and a limiting slide bar. The limiting plate is fixedly arranged at one end of the movable clamping plate close to the plugging column. The limiting slot is arranged inside the limiting plate. One end of the limiting slide bar slides in the limiting slot, and the other end of the limiting slide bar is fixedly connected with the output shaft of the air cylinder.

[0011] Preferably, a through groove is arranged on the turning plate. The turning mechanism includes a connecting shaft, a turning block, an electric push rod and an L-shaped mounting plate. The L-shaped mounting plate is fixedly arranged at the bottom of the transfer plate. The electric push rod is fixedly arranged on the L-shaped mounting plate. The turning block is fixedly arranged at the end of the output shaft of the electric push rod. The connecting shaft is fixedly plugged and arranged on the turning block. The connecting shaft is rotatably connected with the turning plate.

[0012] Preferably, air cushions are arranged on the tops of both the transfer plate and the turning plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] (1) Through the settings of the movable clamping plate, T-shaped telescopic plate, locking plate, insertion column, clamping spring, several locking grooves, wedge-shaped block and fixed clamping plate, the present invention realizes the docking between the hospital bed and the stretcher, and clamps the bed board of the hospital bed, so that the patient will not move during transportation, resulting in a change in the center of gravity and causing the situation of tipping over, ensuring the safety of transportation, automatically clamping and fixing the hospital bed without additional operations. The user can judge whether the docking with the bed board is in place according to the clamping sound when the clamping spring resets and drives the movable clamping plate to reset, without reserving a certain space for the user to observe, greatly shortening the distance between the stretcher and the hospital bed, reducing the extension distance of the movable clamping plate and the fixed clamping plate, thus avoiding the situation that it is easy to bend due to excessive elongation and increasing its service life;

[0015] (2) Through the settings of the inclined plane, fixed plate, inclined groove, U-shaped plate, insertion column, limit shaft and return spring, the present invention realizes that it can clamp hospital beds of most thicknesses. When the wedge-shaped block is not inserted into the locking groove, it can play a certain shock-absorbing role for the transfer plate, and the movable clamping plate can be driven by the cylinder to move towards the cylinder direction, so that the limit shaft moves in the inclined groove, thereby compressing the clamping spring, increasing the reverse thrust given by the clamping spring to the transfer plate, and still playing a certain shock-absorbing effect for some people with heavier weights. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present invention;

[0017] Figure 2 is the structural schematic diagram of the positional relationship between the inside of the clamping mechanism and the adjusting mechanism of the present invention;

[0018] Figure 3 is Figure 2 the enlarged view at A in

[0019] Figure 4 is the structural schematic diagram of the clamping mechanism of the present invention;

[0020] Figure 5 is the structural schematic diagram of the flipping mechanism of the present invention;

[0021] Figure 6 is the structural schematic diagram of the telescopic mechanism of the present invention;

[0022] Figure 7 is the sectional structural schematic diagram of the positional relationship between the limit component and the clamping mechanism of the present invention.

[0023] In the figure: 1, lifting platform; 3, tipping mechanism; 31, connecting shaft; 32, tipping block; 33, electric push rod; 34, L-shaped mounting plate; 4, clamping mechanism; 41, movable clamping plate; 42, T-shaped telescopic plate; 43, locking plate; 44, insertion rod; 45, clamping spring; 46, locking groove; 47, wedge block; 48, fixed clamping plate; 5, adjusting mechanism; 51, inclined surface; 52, fixing plate; 53, inclined groove; 54, U-shaped plate; 55, insertion column; 56, limiting shaft; 57, return spring; 6, limiting component; 61, limiting plate; 62, limiting groove; 63, limiting slide bar; 7, elastic telescopic shaft; 8, cylinder; 9, transfer plate; 91, tipping plate; 10, telescopic mechanism; 101, rack; 102, long plate; 103, gear; 104, drive motor. Detailed implementation manner

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1 - 7, an embodiment provided by the present invention: an intelligent transfer flatbed, comprising a lifting platform 1, at least four universal wheels are arranged at the bottom of the lifting platform 1, four elastic telescopic shafts 7 are arranged at the top of the lifting platform 1, and a transfer plate 9 is arranged at the top of a plurality of the elastic telescopic shafts 7. A placement groove is arranged at the top of the transfer plate 9, and a flipping plate 91 is placed inside the placement groove. Two clamping mechanisms 4 for docking the hospital bed and the flatbed and maintaining the transfer stability are symmetrically arranged at the top of the lifting platform 1. An adjusting mechanism 5 for adjusting the clamping thickness is arranged inside each of the two clamping mechanisms 4. A telescopic mechanism 10 is arranged at the bottom of the transfer plate 9, and a flipping mechanism 3 is arranged at the bottom of the transfer plate 9. A vertical plate is fixedly arranged at the top of the lifting platform 1, and a cylinder 8 is fixedly arranged on the side wall of the vertical plate. A limiting component 6 is fixedly arranged at the end of the output shaft of the cylinder 8. First, push the lifting platform 1 to move close to the hospital bed, then fix the universal wheels, and then control the lifting platform 1 to lift to an appropriate height. This is the prior art and will not be elaborated here. Then, extend the output shaft of the cylinder 8 to drive the limiting component 6 and the clamping mechanism 4 to move. Synchronously, the clamping mechanism 4 moves until it touches the bed board of the hospital bed. At this time, the clamping mechanism 4 receives a reverse reaction force, causing the adjusting mechanism 5 to stop increasing the clamping thickness of the clamping mechanism 4. At this time, the clamping mechanism 4 resets under the action of the spring tension to initially clamp the bed board of the hospital bed. As the reaction force received by the clamping mechanism 4 increases, the clamping mechanism 4 is locked. Then, drive the transfer plate 9 to move above the hospital bed through the telescopic mechanism 10. Then, tilt the flipping plate 91 about fifteen to thirty degrees through the flipping mechanism 3, and place the patient on the hospital bed.

[0026] Specifically, each of the two clamping mechanisms 4 includes a movable clamping plate 41, a T-shaped telescopic plate 42, a locking plate 43, a plugging rod 44, a clamping spring 45, a plurality of locking grooves 46, a wedge-shaped block 47 and a fixed clamping plate 48. The fixed clamping plate 48 is limited and slidably arranged at the bottom of the transfer plate 9. The T-shaped telescopic plate 42 is fixedly arranged at the bottom of the fixed clamping plate 48. The movable clamping plate 41 is movably sleeved on the T-shaped telescopic plate 42. The plugging rod 44 is fixedly arranged at the bottom of the fixed clamping plate 48. The two ends of the clamping spring 45 are respectively fixedly connected with the fixed clamping plate 48 and the movable clamping plate 41. The locking plate 43 is fixedly arranged at the bottom of the fixed clamping plate 48. The locking plate 43 is in plugging fit with the movable clamping plate 41. A plurality of locking grooves 46 are arranged in a linear array on the locking plate 43. The wedge-shaped block 47 is fixedly arranged at one end of the T-shaped telescopic rod close to the locking plate 43. By moving the movable clamping plate 41 towards the hospital bed, until the bed board of the hospital bed abuts against the T-shaped telescopic plate 42, the T-shaped telescopic plate 42 moves towards the locking plate 43. The movement of the T-shaped telescopic plate 42 drives the wedge-shaped block 47 to move synchronously. The wedge-shaped block 47 is inserted into the corresponding locking groove 46, so as to fix the position of the movable clamping plate 41. The docking between the hospital bed and the flat car is realized, and the bed board of the hospital bed is clamped, so that the situation of rollover caused by the change of the center of gravity due to the movement of the patient will not occur during transportation, ensuring the safety of transportation. The hospital bed is automatically clamped and fixed without additional operation. The user can judge whether the docking with the bed board is in place according to the clamping sound of the clamping spring 45 resetting to drive the movable clamping plate 41 to reset after abutting against the bed board, without reserving a certain space for the user to observe, greatly shortening the distance between the flat car and the hospital bed, reducing the extension distance of the movable clamping plate 41 and the fixed clamping plate 48, thus avoiding the situation that it is easy to bend due to excessive elongation and increasing its service life.

[0027] Specifically, the two adjustment mechanisms 5 each include an inclined surface 51, a fixed plate 52, an inclined groove 53, a U-shaped plate 54, a plug-in column 55, a limiting shaft 56 and a reset spring 57. The inclined surface 51 is arranged at one end of the T-shaped telescopic plate 42 close to the wedge block 47, the fixed plate 52 is fixedly arranged on the top of the lifting platform 1, the inclined groove 53 is arranged on the fixed plate 52, the U-shaped plate 54 is plugged into the inside of the movable splint 41, the plug-in column 55 is fixedly arranged on the U-shaped plate 54, the reset spring 57 is fixedly arranged on the U-shaped plate 54, and the limiting shaft 56 is rotatably arranged at the end of the plug-in column 55. When the movable splint 41 moves toward the bed, the plug-in column 55 and the limiting shaft 56 are moved synchronously, and the limiting shaft 56 drives the movable splint 41 downward in the inclined slot 53, thereby increasing the clamping thickness between the movable splint 41 and the fixed splint 48. When the T-shaped telescopic plate 42 moves toward the locking plate 43, the inclined surface 51 contacts the U-shaped plate 54 and moves in the opposite direction toward the fixed plate 52, driving the limiting shaft 56 to disengage from the inclined slot 53, so that the movable splint 41 is reset under the action of the clamping spring 45. At this time, the movable splint 41 performs a preliminary clamping of the bed; it is able to clamp beds of most thicknesses, and when the wedge block 47 is not inserted into the locking groove 46, it can have a certain shock-absorbing effect on the transfer plate 9, and the movable splint 41 can be driven by the cylinder 8 to move toward the cylinder 8, so that the limit shaft 56 moves in the inclined groove 53, thereby compressing the clamping spring 45, so that the reverse thrust given to the transfer plate 9 by the clamping spring 45 is increased, which can still have a certain shock-absorbing effect for some people with heavier weight.

[0028] Specifically, the two inclined surfaces 51 are in contact with the corresponding U-shaped plates 54 , and the two limiting shafts 56 are located in the corresponding inclined grooves 53 and slide.

[0029] Specifically, the two telescopic mechanisms 10 each include a rack 101, a long plate 102, a gear 103 and a drive motor 104. The long plate 102 is fixedly sleeved on the elastic telescopic shaft 7, the drive motor 104 is fixedly set on the side wall of the long plate 102, the gear 103 is fixedly set on the end of the output shaft of the drive motor 104, and the rack 101 is fixedly set on the bottom of the transfer plate 9. The rack 101 and the gear 103 are meshed with each other. The gear 103 is driven to rotate by the rotation of the drive motor 104, and the gear 103 is driven to move by the rotation of the gear 103. The rack 101 moves and the transfer plate 9 moves, so that the transfer plate 9 moves above the bed, which is convenient for the patient to move to the bed.

[0030] Specifically, the limiting component 6 includes a limiting plate 61, a limiting groove 62 and a limiting slide bar 63. The limiting plate 61 is fixedly arranged at one end of the movable clamping plate 41 close to the insertion rod 44. The limiting groove 62 is arranged inside the limiting plate 61. One end of the limiting slide bar 63 slides in the limiting groove 62, and the other end of the limiting slide bar 63 is fixedly connected to the output shaft of the cylinder 8.

[0031] Specifically, a through groove is arranged on the turning plate 91. The turning mechanism 3 includes a connecting shaft 31, a turning block 32, an electric push rod 33 and an L-shaped mounting plate 34. The L-shaped mounting plate 34 is fixedly arranged at the bottom of the transfer plate 9. The electric push rod 33 is fixedly arranged on the L-shaped mounting plate 34. The turning block 32 is fixedly arranged at the end of the output shaft of the electric push rod 33. The connecting shaft 31 is fixedly inserted on the turning block 32, and the connecting shaft 31 is rotatably connected to the turning plate 91. By the extension of the output shaft of the electric push rod 33, the turning block 32 and the turning shaft move synchronously. The movement of the turning shaft drives the turning plate 91 to tilt at a certain angle, facilitating the movement of the patient onto the hospital bed.

[0032] Specifically, air cushions are arranged on the tops of both the transfer plate 9 and the turning plate 91.

[0033] Working principle: first push the lifting platform 1 to move close to the bed, then fix the universal wheel, and then control the lifting platform 1 to rise to a suitable height. This is in the prior art and will not be elaborated on here. Then, the output shaft of the cylinder 8 extends to drive the limit slide rod 63 and the limit plate 61 to move synchronously. The movement of the limit plate 61 drives the movable splint 41, the plug-in rod 44 and the fixed splint 48 to move synchronously toward the bed. The movable splint 41 moves toward the bed until the bed board hits the T-shaped telescopic plate 42, so that the T-shaped telescopic plate 42 moves toward the locking plate 43. When the movable splint 41 moves toward the bed, it synchronously drives the plug-in column 55 and the limit shaft 56 to move, and the limit shaft 56 drives the movable splint 41 to move downward under the action of the inclined groove 53, thereby increasing the clamping thickness between the movable splint 41 and the fixed splint 48. When the T-shaped telescopic plate 42 moves toward the locking plate 43 When moving, the inclined surface 51 contacts the U-shaped plate 54 and moves in the opposite direction toward the fixed plate 52, driving the limit shaft 56 to disengage from the inclined groove 53, so that the movable splint 41 is reset under the action of the clamping spring 45. At this time, the movable splint 41 initially clamps the bed, and then the T-shaped telescopic plate 42 moves to drive the wedge block 47 to move synchronously. The wedge block 47 is inserted into the corresponding locking groove 46, thereby fixing the position of the movable splint 41. Then, the driving motor 104 rotates to drive the gear 103 to rotate, and the gear 103 rotates to drive the rack 101 to move. The rack 101 moves and drives the transfer plate 9 to move, so that the transfer plate 9 moves to the top of the bed, which is convenient for the patient to move to the bed. Then, the output shaft of the electric push rod 33 extends to drive the flip block 32 and the flip shaft to move synchronously. The flip shaft moves and drives the flip plate 91 to tilt at a certain angle, which is convenient for the patient to move to the bed and assists the patient to move to the bed.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent transfer stretcher, comprising a lifting platform (1), at least four universal wheels are arranged at the bottom of the lifting platform (1), and it is characterized in that: The top of the lifting platform (1) is provided with four elastic telescopic shafts (7), and a transfer plate (9) is provided on the top of a plurality of the elastic telescopic shafts (7). The top of the transfer plate (9) is provided with a placement groove, and a flip plate (91) is placed inside the placement groove. The top of the lifting platform (1) is symmetrically provided with two clamping mechanisms (4) for docking a hospital bed and a flat car and maintaining their transfer stability. Both clamping mechanisms (4) are provided with adjustment mechanisms (5) for adjusting the clamping thickness. The bottom of the transfer plate (9) is provided with a telescopic mechanism (10), and the bottom of the transfer plate (9) is provided with a flipping mechanism (3).

2. The intelligent transfer flat car according to claim 1, wherein: The two clamping mechanisms (4) each comprise a movable clamping plate (41), a T-shaped telescopic plate (42), a locking plate (43), a plug-in rod (44), a clamping spring (45), a plurality of locking grooves (46), a wedge block (47) and a fixed clamping plate (48), wherein the fixed clamping plate (48) is limitedly slidably arranged at the bottom of the transfer plate (9), the T-shaped telescopic plate (42) is fixedly arranged at the bottom of the fixed clamping plate (48), and the movable clamping plate (41) is movably sleeved on the T-shaped telescopic plate (42). The plug-in rod (44) is fixedly arranged at the bottom of the fixed clamping plate (48), the two ends of the clamping spring (45) are fixedly connected to the fixed clamping plate (48) and the movable clamping plate (41) respectively, the locking plate (43) is fixedly arranged at the bottom of the fixed clamping plate (48), the locking plate (43) is plugged and matched with the movable clamping plate (41), a plurality of locking grooves (46) are arranged on the locking plate (43) in a linear array, and the wedge block (47) is fixedly arranged at one end of the T-shaped telescopic rod close to the locking plate (43).

3. The intelligent transfer flatbed according to claim 2, characterized in that: The two adjustment mechanisms (5) each comprise an inclined surface (51), a fixed plate (52), an inclined groove (53), a U-shaped plate (54), a plug-in column (55), a limiting shaft (56) and a reset spring (57); the inclined surface (51) is arranged at one end of the T-shaped telescopic plate (42) close to the wedge block (47); the fixed plate (52) is fixedly arranged on the top of the lifting platform (1); the inclined groove (53) is arranged on the fixed plate (52); the U-shaped plate (54) is plugged into the inside of the movable clamping plate (41); the plug-in column (55) is fixedly arranged on the U-shaped plate (54); the reset spring (57) is fixedly arranged on the U-shaped plate (54); and the limiting shaft (56) is rotatably arranged at the end of the plug-in column (55).

4. The intelligent transfer flatbed according to claim 3, wherein: The two inclined surfaces (51) are in abutment with the corresponding U-shaped plates (54), and the two limiting shafts (56) are located in the corresponding inclined grooves (53) and slide.

5. The intelligent transfer flatbed according to claim 1, wherein: Both of the telescopic mechanisms (10) include a rack (101), a long plate (102), a gear (103) and a driving motor (104). The long plate (102) is fixedly sleeved on the elastic telescopic shaft (7). The driving motor (104) is fixedly arranged on the side wall of the long plate (102). The gear (103) is fixedly arranged at the end of the output shaft of the driving motor (104). The rack (101) is fixedly arranged at the bottom of the transfer plate (9). The rack (101) meshes with the gear (103).

6. The intelligent transfer flatbed according to claim 1, wherein: The limiting component (6) includes a limiting plate (61), a limiting groove (62) and a limiting slide bar (63). The limiting plate (61) is fixedly arranged at one end of the movable clamping plate (41) close to the insertion rod (44). The limiting groove (62) is arranged inside the limiting plate (61). One end of the limiting slide bar (63) slides in the limiting groove (62). The other end of the limiting slide bar (63) is fixedly connected to the output shaft of the air cylinder (8).

7. An intelligent transfer flatbed according to claim 1, characterized in that: A through groove is arranged on the turning plate (91). The turning mechanism (3) includes a connecting shaft (31), a turning block (32), an electric push rod (33) and an L-shaped mounting plate (34). The L-shaped mounting plate (34) is fixedly arranged at the bottom of the transfer plate (9). The electric push rod (33) is fixedly arranged on the L-shaped mounting plate (34). The turning block (32) is fixedly arranged at the end of the output shaft of the electric push rod (33). The connecting shaft (31) is fixedly inserted on the turning block (32). The connecting shaft (31) is rotatably connected to the turning plate (91).

8. The intelligent transfer flatbed according to claim 1, wherein: Air cushions are arranged on the tops of both the transfer plate (9) and the turning plate (91).

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