CN217448258U

CN217448258U - Electric shifting vehicle

Info

Publication number: CN217448258U
Application number: CN202221289804.4U
Authority: CN
Inventors: 丁瑞权; 丁瑞芳; ***; 陈斌; 仇龙晶; 张也; 陈娣
Original assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Current assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-20
Anticipated expiration: 2032-05-27

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to electronic aversion car. The electric shifting vehicle comprises a frame, a shifting bed component, a translation mechanism, a lifting mechanism, wheels and a suspension mechanism; the shifting bed component is connected with the frame; the lifting mechanism is connected with the frame; the translation mechanism is connected with the lifting mechanism and is positioned above the shift car assembly; the suspension mechanism is fixedly connected with the translation mechanism; the wheels are connected with the frame; the lifting mechanism drives the translation mechanism to move along the vertical direction; the translation mechanism drives the suspension mechanism to move along the width direction of the shift bed component; the lifting mechanism and the translation mechanism are driven by electric power. The utility model discloses a mode of going up and down and translation can shift patient each other between sick bed and electronic aversion car, convenient, safety, can not cause the secondary injury to patient.

Description

Electric shifting vehicle

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to electronic aversion car.

Background

The in-process of treating, examining, performing the operation to the disease in the hospital often needs to shift the disease, but the disease transfer process of present hospital needs the manual work to lift and puts, not only makes medical personnel's operation hard, causes secondary injury and severe pain to the disease moreover easily. Therefore, there is an urgent need to develop a convenient, safe, painless, injury-free patient transfer scheme without the need to move the patient in contact, which is beneficial to the patient.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model provides an electronic aversion car through the mode of going up and down and translation, can shift patient each other between sick bed and electronic aversion car, convenient, safety, can not cause the secondary injury to patient.

For solving the not enough of prior art, the utility model provides a technical scheme does:

an electric shift vehicle comprises a frame, a shift bed assembly, a translation mechanism, a lifting mechanism, wheels and a suspension mechanism;

the shifting bed component is connected with the frame;

the lifting mechanism is connected with the frame;

the translation mechanism is connected with the lifting mechanism and is positioned above the shift car assembly;

the suspension mechanism is fixedly connected with the translation mechanism;

the wheels are connected with the frame;

the lifting mechanism drives the translation mechanism to move along the vertical direction; the translation mechanism drives the suspension mechanism to move along the width direction of the shift bed component; the lifting mechanism and the translation mechanism are driven by electric power.

Preferably, the device further comprises a controller, wherein the controller is electrically connected with the translation mechanism and the lifting mechanism; the rack comprises a bottom frame and a vertical frame; the underframe is horizontally arranged and is connected with the wheels; the vertical frame is vertically arranged and fixedly connected with the bottom frame; the shifting bed assembly is connected with the middle part of the vertical frame and is positioned above the bottom frame; the lifting mechanism is connected with the vertical frame.

Preferably, the underframe is also provided with an anti-tilting mechanism; the anti-tilting mechanism comprises an anti-tilting support frame, an anti-tilting support and a telescopic device; the anti-tilting support frame is provided with a sliding groove; the sliding groove comprises an inclined anti-tilting groove; the anti-tilting support is connected with an anti-tilting pin shaft; the anti-tilt pin shaft slides along the anti-tilt groove; the telescopic device is connected with the anti-tilt support frame and is electrically connected with the controller; the telescoping device drives the anti-tilt bracket to slide along the anti-tilt groove, and when the anti-tilt pin shaft is positioned at the lower end of the anti-tilt groove, the anti-tilt bracket, the anti-tilt support frame and the telescoping device form a stable triangular structure.

Preferably, the anti-roll mechanism further comprises an anti-roll roller, a signal trigger plate, an anti-roll torsion spring and an in-place switch; the anti-tilting support frame is horizontally arranged; the sliding groove also comprises an elongated groove which is horizontally arranged; the outer end of the elongated slot is close to the fixed end of the anti-tilting support frame; the outer end of the anti-tilt groove is close to the anti-tilt end of the anti-tilt support frame and is communicated with the extension groove; the supporting end of the anti-tilting bracket is provided with a first pin hole; the anti-tilt roller is connected with the support end of the anti-tilt bracket through a first pin shaft penetrating through the first pin hole; when the anti-tilting pin shaft is positioned at the lower end of the anti-tilting groove, the anti-tilting roller contacts the ground; one end of the signal trigger plate is connected with the supporting end of the anti-tilting bracket through a first pin shaft, and the middle part of the signal trigger plate is connected with the anti-tilting bracket through a second pin shaft; the in-place switch is fixed on the anti-tilting bracket, positioned above the signal trigger plate and electrically connected with the controller; the anti-tilting torsion spring is sleeved on the second pin shaft, the first end part of the anti-tilting torsion spring is connected with the signal trigger plate above the anti-tilting torsion spring, and the second end part of the anti-tilting torsion spring is connected with the anti-tilting bracket through a third pin shaft; the lower end of the telescopic device is connected with the anti-tilting bracket through a third pin shaft; the first pin shaft, the second pin shaft and the third pin shaft are arranged in sequence, and the second pin shaft is higher than the first pin shaft; the first pin hole is a vertical long round hole.

Preferably, a brake mechanism is further arranged on the underframe; the brake mechanism comprises a brake pad, a brake shaft, a brake swing rod, a switch detection device and a warning device; the brake pad is fixedly connected with the brake shaft; the brake shaft is connected with the wheel, fixedly connected with the brake swing rod and movably connected with the underframe; the brake swing rod is provided with a notch; the notch is over against a trigger point of the switch detection device; the switch detection device is fixed on the bottom frame; the controller is electrically connected with the switch detection device and the warning device.

Preferably, the translation mechanism comprises a fixed seat, a movable front bracket, a movable bracket, a translation driving device and a weighing module; a horizontal guide rail is arranged in the fixed seat along the width direction of the shifting bed component; the fixing part of the horizontal guide rail is fixedly connected with the fixing seat; the movable support is fixedly connected with the movable part of the horizontal guide rail; the end part of the movable front bracket is connected with the outer end of the movable bracket; the translation driving device is positioned in the fixed seat and connected with the middle part of the movable front support to drive the movable front support to slide along the width direction of the shift bed assembly; the weighing module is fixed on the movable front support or the movable support, and the upper part of the weighing module is connected with the suspension mechanism and is electrically connected with the controller.

Preferably, two horizontal guide rails are symmetrically arranged, and the fixing parts of the horizontal guide rails are fixedly connected with the inner side surface of the fixing seat; the two movable supports are respectively connected with the movable part of the horizontal guide rail; the weighing module comprises a weighing sensor and a weighing screw rod; the weighing sensor is fixed on the movable bracket and is electrically connected with the controller; the weighing screw is fixed on the weighing sensor, and the upper part of the weighing screw is connected with the suspension mechanism.

Preferably, the lifting mechanism comprises a fixed block, a vertical guide rail, a movable frame, a lifting beam and a lifting push rod motor; the lifting cross beam is horizontally arranged, and two sides of the lifting cross beam are fixedly connected with the inner side of the vertical frame; the fixed block is fixed on the inner side of the vertical frame and is positioned above the lifting beam; the vertical guide rail is connected with the fixed block in a sliding manner; the movable frame is connected with the vertical guide rail in a sliding manner, and the other side of the movable frame is fixedly connected with the translation mechanism; the lifting push rod motor is fixed on the lifting cross beam, is fixedly connected with the translation mechanism above the lifting push rod motor, and is electrically connected with the controller.

Preferably, the suspension mechanism comprises a suspension frame, a suspension beam, a lifting rope, a hasp and a hanging bag; the middle part of the suspension frame is connected with the suspension cross beam, and the lower end of the suspension frame is provided with a plurality of fastening rings; the lower part of the suspension cross beam is connected with the translation mechanism; the upper end of the lifting rope is connected with the fastening ring, and the lower end of the lifting rope is connected with the hasp; the hasp is connected with the hanging bag.

Preferably, the shifting bed component comprises a shifting bed plate, a handrail, a shifting bed push rod motor and a shifting bed guide rail; the shifting bed guide rail is vertically arranged, a fixed part of the shifting bed guide rail is fixedly connected with the vertical frame, and a movable part is fixedly connected with the side surface of the shifting bed plate; the lower end of the shifting bed push rod motor is fixed on the underframe, and the upper end of the shifting bed push rod motor is fixedly connected with the shifting bed board and is electrically connected with the controller; the handrail is fixedly connected with the shifting bed board.

The utility model has the advantages that:

the utility model discloses a mode of going up and down and translation can shift patient each other between sick bed and transport bed, convenient, safety, can not cause the secondary injury to patient.

The utility model discloses be equipped with anti-tilt mechanism, can prevent that the electronic aversion car from empting when shifting patient.

The utility model discloses the suggestion mechanism who sets up saves space.

The utility model discloses the translation mechanism that sets up can weigh convenient and fast patient to patient when shifting patient.

The utility model discloses the brake mechanism who sets up can ensure to shift patient again after the brake targets in place, promotes the security.

Drawings

Fig. 1 is a structural diagram of an electric shift car provided by the present invention;

FIG. 2 is a block diagram of a rack;

FIG. 3 is a block diagram of a shift bed assembly;

FIG. 4 is a schematic view of the connection of the suspension mechanism to the translation mechanism;

FIG. 5 is an internal structural view of the translation mechanism;

FIG. 6 is a schematic view of the connection of the first rail and the second rail of the translation mechanism;

FIG. 7 is a structural view of a suspension mechanism;

FIG. 8 is a block diagram of the lift mechanism;

FIG. 9 is a schematic view of the connection of the vertical guide rail to the fixed block;

FIG. 10 is a deployed configuration view of the anti-roll mechanism;

FIG. 11 is a view showing a storage state of the roll prevention mechanism;

FIG. 12 is a schematic view of the installation of the anti-tipping torsion spring;

FIG. 13 is a schematic view of the installation of the signal trigger plate;

FIG. 14 is a schematic view of the connection of the signal trigger plate to the in-place switch;

FIG. 15 is a schematic view of a first pin bore;

FIG. 16 is a schematic view of the installation of the brake mechanism;

FIG. 17 is a schematic view of a switch detection device;

FIG. 18 is a schematic diagram of the transmission of the brake mechanism;

FIG. 19 is a schematic view of the housing;

wherein: 1. a translation mechanism; 11. a fixed seat; 1110. a support portion; 1120. an extension portion; 12. a movable front support; 13. a movable support; 14. a translation push rod motor; 15. weighing a screw rod; 16. a horizontal guide rail; 161. a first rail, 162, a second rail; 17. a movable housing; 18. a warning light; 111. reinforcing ribs;

2. a frame; 21. a chassis; 22. erecting a frame; 23. a power-assisted wheel; 24. a wheel;

3. a shift bed assembly; 31. shifting a bed plate; 32. a handrail;

4. a housing;

5. a lifting mechanism; 51. a vertical guide rail; 52. a push rod motor is lifted; 53. lifting the cross beam; 54. a fixed block; 55. a movable frame;

6. an anti-roll mechanism; 61. an anti-tilt support frame; 611. an anti-roll groove; 6111. a limiting groove; 612. an elongated slot; 613. the anti-tilt end of the anti-tilt support frame; 614. the fixed end of the anti-tilting support frame; 62. an anti-roll bracket; 621. a support end of the anti-roll stand; 622. a sliding end of the anti-roll stand; 623. a first pin hole; 624. a first pin shaft; 625. a second pin shaft; 626. a third pin shaft; 63. a telescoping device; 64. a mounting seat; 65. an anti-roll roller; 66. a signal trigger plate; 67. an anti-tilt torsion spring; 68. an in-place switch; 69. an anti-roll pin shaft;

7. a suspension mechanism; 71. a suspension frame; 72. a suspension cross beam; 73. a lifting rope; 74. a hasp; 75. a fastening ring;

8. a brake mechanism; 82. a brake shaft; 83. braking the swing rod; 84. a switch detection device; 85. a brake pad; 87. a brake link; 88. a connecting pin; 89. adjusting the stud; 810. and the nut is tightened.

Detailed Description

The present invention will be further described with reference to the following embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention is not limited thereby.

The embodiment of the utility model provides an electric shift car, refer to fig. 1, comprising a frame 2, a shift bed component 3, a translation mechanism 1, a lifting mechanism 5, wheels and a suspension mechanism 7; the shifting bed component 3 is connected with the frame 2; the lifting mechanism 5 is connected with the frame 2; the translation mechanism 1 is connected with the lifting mechanism 5 and is positioned above the shift car assembly 3; the suspension mechanism 7 is fixedly connected with the translation mechanism 1; the wheels are connected with the frame; the lifting mechanism 5 drives the translation mechanism 1 to move along the vertical direction; the translation mechanism 1 drives the suspension mechanism 7 to move along the width direction of the shift bed component 3; the lifting mechanism and the translation mechanism are driven by electric power.

In an optional embodiment of the present invention, the electric shift cart further comprises a controller, and the controller is electrically connected to the shift bed assembly, the translation mechanism, and the lifting mechanism. The battery may be provided as desired, preferably a rechargeable battery.

In an alternative embodiment of the present invention, see fig. 2, the frame comprises a base frame 21 and a stand 22; the chassis 21 is horizontally arranged and connected with wheels 24; the vertical frame 22 is vertically arranged and fixedly connected with the bottom frame 21; the shifting bed component is connected with the middle part of the vertical frame and is positioned above the bottom frame; the lifting mechanism is connected with the vertical frame. The wheel is the central control wheel.

In an alternative embodiment of the present invention, referring to fig. 2, a boosting wheel 23 is further disposed on the bottom frame 21; the booster wheel 23 is electrically connected with the controller. The electric displacement vehicle is assisted by a power-assisted wheel to push the electric displacement vehicle.

In an alternative embodiment of the present invention, referring to fig. 2, two anti-roll mechanisms 6 are further provided on the bottom frame 21. Specifically, referring to fig. 10 and 11, the anti-roll mechanism 6 includes an anti-roll support frame 61, an anti-roll support frame 62, and a telescopic device 63; the anti-tilting support frame 61 is provided with a sliding groove; the sliding groove includes an inclined anti-roll groove 611; the anti-tilt bracket 62 is connected with an anti-tilt pin 69; the anti-roll pin 69 slides along the anti-roll groove 611; the telescopic device 63 is connected with the anti-tilt support frame 61 and the anti-tilt bracket 62 and electrically connected with the controller, and the telescopic device 63 drives the anti-tilt bracket 62 to slide along the anti-tilt groove 611; when the anti-roll pin 69 is located at the lower end of the anti-roll groove 611, the anti-roll bracket 62, the anti-roll support frame 61 and the expansion device 63 form a stable triangular structure.

Referring to fig. 10 and 11, two anti-roll pins 69 are connected to one side of the sliding end 622 of the anti-roll stand, and the distance between the two anti-roll pins 69 is equal to the length of the anti-roll slot 611. The anti-tilting support frame 61 is horizontally arranged; the sliding channel further includes an elongated slot 612 disposed horizontally; the outer end of the elongated slot 612 is close to the fixed end 614 of the anti-roll support frame; the outer end of the anti-roll groove 611 is close to the anti-roll end 613 of the anti-roll support frame, and the anti-roll groove 611 is communicated with the extension groove 612. After the anti-tilt support frame is used, the telescopic device retracts to drive the anti-tilt support frame to retract, the anti-tilt support frame slides along the anti-tilt groove and the extension groove in sequence and is finally parallel to the anti-tilt support frame, and the state after storage is shown in a figure 11.

Referring to fig. 10 and 15, the support end 621 of the anti-roll stand is provided with a first pin hole 623; the anti-roll roller 65 is connected to the support end 621 of the anti-roll bracket by a first pin 624 passing through the first pin hole 623; when the anti-roll pin 69 is located at the lower end of the anti-roll groove 611, the anti-roll roller 65 touches the ground.

Referring to fig. 12 to 15, the anti-toppling device further includes a signal trigger plate 66, an anti-toppling torsion spring 67, and a set switch 68. The in-position switch 68 is electrically connected to the controller. One end of the signal trigger plate 66 is connected with the supporting end 621 of the anti-roll bracket through a first pin 624, and the middle part is connected with the anti-roll bracket 62 through a second pin 625; the in-place switch 68 is fixed on the anti-roll bracket 62 and is positioned above the signal trigger plate 66; the anti-tilt torsion spring 67 is sleeved on the second pin shaft 625, the first end part of the anti-tilt torsion spring 67 is connected with the signal trigger plate 66 above, and the second end part is connected with the anti-tilt bracket 62 through a third pin shaft 626; the lower end of the telescopic device 63 is connected with the anti-tilting bracket 62 through a third pin 626; the first pin 624, the second pin 625, and the third pin 626 are arranged in sequence, and the second pin 625 is higher than the first pin 624. The first pin hole 623 is a vertical oblong hole.

Referring to fig. 10 and 15, the upper end of the anti-roll support 61 is connected to the undercarriage. The anti-overturning device further comprises a mounting seat 64; the telescoping device 63 is an anti-tilt push rod motor; the middle part of the anti-tilt push rod motor is connected with the fixed end 614 of the anti-tilt support frame through a fourth pin shaft, one end of the anti-tilt push rod motor is connected with the anti-tilt support frame 62 through a third pin shaft 626, and the other end of the anti-tilt push rod motor is connected with the mounting seat 64 through a fifth pin shaft; the mounting block 64 is connected to the chassis.

Referring to fig. 14, the section of the anti-tilt support frame 61 is in an inverted U shape, and two sides of the anti-tilt support frame 61 are provided with symmetrical sliding grooves; the section of the anti-tilting bracket 62 is in an inverted U shape; both sides are connected with the outer anti-tilt support frame 61 through anti-tilt pin shafts 69. When the telescoping devices 63 are retracted, the anti-roll stand 62 is inside the anti-roll support frame 61.

Referring to fig. 11, the sliding groove further includes a horizontally disposed limit groove 6111; the limit groove 6111 is communicated with the lower end of the anti-roll groove 611.

When the anti-tilt support is installed, the included angle between the sliding direction of the anti-tilt support and the translation direction of the suspension mechanism is smaller than 90 degrees, and preferably, the sliding direction of the anti-tilt support and the translation direction of the suspension mechanism are the same. During the use, before shifting the patient, prevent that the push rod motor that inclines promotes and prevent that the support that inclines from inclining along preventing that the support frame slides, when preventing that the gyro wheel contacts to earth, prevent that the roll pin axle moves to the outermost end of spacing groove, realize mechanical locking this moment, prevent that the roll pin axle is no longer removed, prevent simultaneously that the gyro wheel contacts to earth, first round pin axle shifts up along first pinhole, drive signal trigger board shifts up, after signal trigger board contact switch that targets in place, the switch that targets in place sends to the controller and prevents that the gyro wheel that inclines to earth the signal, the push rod motor is closed to the controller. At the moment, the overturn preventing device can be used as an additional supporting point to prevent the electric shifting vehicle from toppling over, so that the subsequent transfer operation can be started. After the patient shifts and finishes, the anti-tilt push rod motor drives the anti-tilt support to slide along the anti-tilt support frame and return to the initial position, and when the anti-tilt roller leaves the ground, the first pin shaft moves downwards along the first pin hole, and simultaneously the anti-tilt torsion spring automatically resets so that the signal trigger plate leaves the switch in place.

Referring to fig. 2, a brake mechanism 8 is further provided on the chassis 21. Referring to fig. 16 and 17, the brake mechanism includes a brake pad 85, a brake shaft 82, a brake lever 83, a switch detection device 84, and a warning device. Specifically, the brake pad 85 is fixedly connected to the brake shaft 82. The brake shaft 82 is fixedly connected with a fixed seat penetrating through the wheel. The brake shaft 82 is fixedly connected with the brake swing rod 83 and movably connected with the underframe 21; the brake swing rod 83 is provided with a notch; the notch is opposite to the trigger point of the switch detection device 84; the switch detection device 84 is fixed on the chassis 21; the switch detection device and the warning device are electrically connected with the controller. The warning device is not shown in the figure.

The central control wheel is provided with a brake. When the brake pad is not stepped on, the brake swing rod is not in contact with the trigger point of the switch detection device. When the brake is used, the brake pad is stepped to enable the brake shaft to rotate, and the brake shaft rotates for a certain angle to trigger the central control wheel to brake. The brake shaft rotates to drive the brake swing rod to rotate, and the brake swing rod triggers the switch detection device after the brake pedal is stepped down, so that the signal controller is transmitted, and the controller turns off the warning device; when the switch detection device is not triggered, namely the brake is not in place, the warning device can send out a warning signal. The warning device is a warning lamp. The switch detection device is a microswitch.

Referring to fig. 16 and 18, the brake mechanism further includes a brake link 87. The number of the brake swing rods 83 is two, and hexagonal holes are formed in the end portions of the brake swing rods 83; the end of the brake rocker 83 is connected to a brake link 87 by a connecting pin 88. The number of the brake shafts 82 is two, the cross sections of the brake shafts are hexagonal, the brake shafts 82 penetrate through the hexagonal holes and are fixedly connected with the brake swing rods 83, and each brake shaft is connected with two wheels respectively. The brake block rotates to drive the brake shaft to rotate, the brake shaft rotates to drive the brake swing rod to rotate, the brake swing rod rotates to drive the brake connecting rod to move, the brake connecting rod moves to drive the brake swing rod on the other side to rotate, and the brake shaft on the other side is caused to rotate, so that one brake block can realize synchronous braking of 4 wheels.

Preferably, referring to FIG. 18, the brake mechanism further includes an adjustment stud 89; external threads are arranged at two ends of the adjusting stud 89; two brake connecting rods 87 are symmetrically arranged, one end of each brake connecting rod 87 is connected with the brake swing rod 83 through a connecting pin 88, and the other end of each brake connecting rod 87 is provided with internal threads and connected with an adjusting stud 89. And clamping nuts 810 are sleeved at two ends of the adjusting stud 89. The adjusting stud can flexibly adjust the spacing of the brake shafts so as to adjust the asynchronism caused by the gap error and the assembly error between the parts. The jam nuts at the two ends of the adjusting stud can prevent looseness caused by vibration.

Referring to fig. 16 and 17, the chassis 21 is sleeved on the switch detection device 84, the brake shaft 82, the brake swing rod 83 and the brake connecting rod 87; the brake pads 85 are located on the exterior of the chassis 21. The brake mechanism has attractive, neat and safe style, and can avoid an external force triggering switch detection device except a brake swing rod.

In an alternative embodiment of the present invention, referring to fig. 4, 5 and 6, the translation mechanism includes a fixed seat 11, a movable front bracket 12, a movable bracket 13, a translation driving device, and a weighing module; a horizontal guide rail 16 is arranged in the fixed seat 11 along the width direction of the shift bed assembly; the fixed part of the horizontal guide rail 16 is fixedly connected with the fixed seat 11; the movable bracket 13 is fixedly connected with the movable part of the horizontal guide rail 16; the end part of the movable front bracket 12 is connected with the outer end of the movable bracket 13; the translation driving device is positioned in the fixed seat 11 and connected with the middle part of the movable front support 12 to drive the movable front support 12 to slide along the width direction of the shift bed component; the weighing module is fixed on the movable front support or the movable support, the upper part of the weighing module is connected with the suspension mechanism, and the weighing module and the translation driving device are electrically connected with the controller.

When the movable front support is used, the translation driving device pushes the movable front support to move, the movable front support drives the movable support to slide along the horizontal guide rail, and the suspension mechanism can be driven to translate along the width direction of the shift bed assembly. Choose weighing module to support and suspend mechanism in midair, can also weigh patient when transferring patient, convenient and fast can not cause secondary damage to the disease.

Specifically, referring to fig. 4, 5 and 6, two horizontal guide rails 16 are symmetrically arranged, and the fixing portions of the horizontal guide rails 16 are fixedly connected with the inner side surface of the fixing base 11; two movable supports 13 are provided and are respectively connected with the movable part of the horizontal guide rail 16. The translation driving device is a translation push rod motor 14. The weighing module comprises four weighing sensors and four weighing screws 15; the weighing sensors are symmetrically arranged, fixed on the movable supports 13 and electrically connected with the controller, and two weighing sensors are fixed on each movable support; the weighing screw 15 is fixed on the weighing sensor, and the upper part of the weighing screw is connected with the suspension mechanism 7. The weight of the patient can be obtained by adding the values weighed by the four weighing sensors. The horizontal guide rails include a first guide rail 161 and a second guide rail 162 which are horizontally arranged; the fixed part of the first guide rail 161 is fixedly connected with the inner side surface of the fixed seat; the second rail 162 is located inside the first rail 161, the inside is slidably connected to the first rail 161, and the outside is slidably connected to the movable bracket 13. Horizontal guide rail of both sides, horizontal guide rail include first guide rail and second guide rail, and stability is strong, can support the translation of big aperture. In other embodiments of the present invention, the weighing sensor may also be fixed on the movable front bracket.

Referring to fig. 4 and 5, the translation mechanism further includes a movable housing 17 and a warning light 18; the movable shell 17 is sleeved on the movable front bracket and the movable bracket 13 and is fixedly connected with the movable bracket 13; the upper end surface of the movable shell 17 is provided with a through hole; the weighing screw 15 passes through the through hole to be connected with the suspension mechanism 7, and the weighing screw 15 is not in contact with the movable shell 17. The fixing base comprises a supporting part 1110 and an extending part 1120; when the translational push rod motor 14 drives the movable front bracket 12 to retract, the movable housing 17 is sleeved on the extending portion 1120. A reinforcing rib 111 is arranged below the supporting part 1110; the shape of the reinforcing ribs 111 is triangular. The warning light 18 is fixed on the movable shell 17 and is electrically connected with the controller.

In an alternative embodiment of the present invention, referring to fig. 8 and 9, the lifting mechanism includes a fixed block 54, two vertical guide rails 51, two movable frames 55, a lifting beam 53 and a lifting push rod motor 52; the lifting beam 53 is horizontally arranged, and two sides of the lifting beam are fixedly connected with the inner side of the vertical frame 22; the fixed block 54 is fixed on the inner side of the stand 22 and positioned above the lifting beam 53; the vertical guide rail 51 is connected with the fixed block 54 in a sliding way; the movable frame 55 is connected with the vertical guide rail 51 in a sliding way, and the other side of the movable frame is fixedly connected with a reinforcing rib 111 of the translation mechanism; the two lifting push rod motors 52 are fixed on the lifting beam 53, fixedly connected with the reinforcing ribs 111 above and electrically connected with the controller. The vertical guide rail of two straight lines type is used, the fixed block is fixed, the vertical guide rail moves, the structure can enable the height of the lifting mechanism to be 300mm lower than the working state when the lifting mechanism is idle, and occupation of space is reduced. Bear and drive and realize by 2 promotion push rod motors, promote the push rod motor and be connected with the controller, can effectively realize two synchronous stretches out and withdraws of promoting the push rod motor, prevent because of the jamming problem that promotes the asynchronous lead to of push rod motor.

In an alternative embodiment of the present invention, referring to fig. 7, the suspension mechanism comprises a suspension frame 71, a suspension beam 72, a lifting rope 73, a hasp 74 and a sling; the middle part of the suspension frame 71 is connected with a suspension beam 72, and the lower end of the suspension frame 71 is provided with a plurality of fastening rings 75; the lower part of the suspension cross beam 72 is connected with a translation mechanism; the upper end of the lifting rope 73 is connected with the fastening ring 75, and the lower end is connected with the hasp 74; the hasp is connected with the hanging bag.

In an alternative embodiment of the present invention, referring to fig. 3, the shift bed assembly includes a shift bed plate 31, a handrail 32, a shift bed push rod motor and a shift bed guide rail; the movable part is fixedly connected with the side surface of the bed plate of the shifting bed; the lower end of a push rod motor of the shifting bed is fixed on the underframe, and the upper end of the push rod motor of the shifting bed is fixedly connected with a bed plate of the shifting bed and electrically connected with the controller; the handrail 32 is fixedly connected with the shifting bed board 31. The shifting bed component has an electric lifting function.

In an alternative embodiment of the present invention, referring to fig. 1 and 19, the electric displacement vehicle further comprises a housing 4; the cover shell sleeve 4 is arranged on the frame, the lifting mechanism and the fixed seat.

The utility model discloses an in the optional embodiment, can carry out nimble setting to the function of controller as required to set up corresponding function switch. For example, with the automatic shift function, the patient can be hung on the shift bed component from the sickbed by long pressing one key, and vice versa; the device has a single-process control function, is provided with corresponding buttons and is used for independently controlling the processes of a lifting mechanism, a translation mechanism, a shifting bed assembly lifting mechanism, an anti-tilting mechanism and the like; the automatic shifting device has a man-machine interaction function, is controlled by a handheld controller, is connected with the electric shifting vehicle through a cable, and can realize functions of automatic shifting, single-process control and the like by an operator through controlling equipment by the handheld controller. The handheld controller should be configured with an indicator lamp to display the running state; the automatic shutdown function is provided: when the time exceeds the set time, the machine is automatically shut down if not used; the fault diagnosis function is provided; the equal speed of a push rod motor of the shifting bed can be adjusted; an emergency switch is provided to switch off the power supply in case of emergency, the switch position being convenient for the personnel to operate. The emergency switch is red and is manually reset.

The moving-in process: after the power supply is started, the electric shifting vehicle is pushed to a designated position, the brake is stepped down, the shifting bed component descends by long pressing the shifting-in button, the anti-tilting component stretches out, the translation mechanism stretches out in place, the hanging belt is hung, the shifting-in button is long pressed, the translation mechanism ascends, the translation mechanism retracts, the translation mechanism descends, and the anti-tilting component retracts. When the patient is transferred, the sling is placed under the patient.

And (3) removing: the electric shifting vehicle is pushed to a designated position, the brake is stepped down, the anti-tilting component extends out, the shifting bed component descends, the translation mechanism ascends, the translation mechanism extends out in place, the translation mechanism descends, the sling is unfastened, the patient is put down, and then the translation mechanism, the shifting bed component and the anti-tilting component are restored to the initial positions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. An electric shifting vehicle is characterized by comprising a frame, a shifting bed component, a translation mechanism, a lifting mechanism, wheels and a suspension mechanism;

the shifting bed component is connected with the frame;

the lifting mechanism is connected with the frame;

the suspension mechanism is fixedly connected with the translation mechanism;

the wheels are connected with the frame;

2. The electric displacement vehicle of claim 1, further comprising a controller electrically connected to the translation mechanism and the lifting mechanism; the rack comprises a bottom frame and a vertical frame; the underframe is horizontally arranged and is connected with the wheels; the vertical frame is vertically arranged and fixedly connected with the bottom frame; the shifting bed assembly is connected with the middle part of the vertical frame and is positioned above the bottom frame; the lifting mechanism is connected with the vertical frame.

3. The electric displacement vehicle as claimed in claim 2, wherein an anti-roll mechanism is further provided on the chassis; the anti-tilting mechanism comprises an anti-tilting support frame, an anti-tilting support and a telescopic device; the anti-tilting support frame is provided with a sliding groove; the sliding groove comprises an inclined anti-tilting groove; the anti-tilting support is connected with an anti-tilting pin shaft; the anti-tilt pin shaft slides along the anti-tilt groove; the telescopic device is connected with the anti-tilt support frame and is electrically connected with the controller; the telescoping device drives the anti-tilt bracket to slide along the anti-tilt groove, and when the anti-tilt pin shaft is positioned at the lower end of the anti-tilt groove, the anti-tilt bracket, the anti-tilt support frame and the telescoping device form a stable triangular structure.

4. The electric displacement vehicle as claimed in claim 3, wherein the anti-roll mechanism further comprises an anti-roll roller, a signal trigger plate, an anti-roll torsion spring and a position switch; the anti-tilting support frame is horizontally arranged; the sliding groove also comprises an elongated groove which is horizontally arranged; the outer end of the elongated slot is close to the fixed end of the anti-tilting support frame; the outer end of the anti-tilt groove is close to the anti-tilt end of the anti-tilt support frame and is communicated with the extension groove; the support end of the anti-tilting support frame is provided with a first pin hole; the anti-tilting roller is connected with the supporting end of the anti-tilting bracket through a first pin shaft penetrating through the first pin hole; when the anti-tilting pin shaft is positioned at the lower end of the anti-tilting groove, the anti-tilting roller contacts the ground; one end of the signal trigger plate is connected with the supporting end of the anti-tilting bracket through a first pin shaft, and the middle part of the signal trigger plate is connected with the anti-tilting bracket through a second pin shaft; the in-place switch is fixed on the anti-tilting bracket, positioned above the signal trigger plate and electrically connected with the controller; the anti-tilting torsion spring is sleeved on the second pin shaft, the first end part of the anti-tilting torsion spring is connected with the signal trigger plate above the anti-tilting torsion spring, and the second end part of the anti-tilting torsion spring is connected with the anti-tilting bracket through a third pin shaft; the lower end of the telescopic device is connected with the anti-tilting bracket through a third pin shaft; the first pin shaft, the second pin shaft and the third pin shaft are arranged in sequence, and the second pin shaft is higher than the first pin shaft; the first pin hole is a vertical long round hole.

5. The electric displacement vehicle as claimed in claim 2, wherein a brake mechanism is further provided on the chassis; the brake mechanism comprises a brake pad, a brake shaft, a brake swing rod, a switch detection device and a warning device; the brake pad is fixedly connected with the brake shaft; the brake shaft is connected with the wheel, fixedly connected with the brake swing rod and movably connected with the underframe; the brake swing rod is provided with a notch; the notch is over against a trigger point of the switch detection device; the switch detection device is fixed on the bottom frame; the controller is electrically connected with the switch detection device and the warning device.

6. The electric displacement vehicle as claimed in claim 1, wherein the translation mechanism comprises a fixed seat, a movable front bracket, a movable bracket, a translation driving device and a weighing module; a horizontal guide rail is arranged in the fixed seat along the width direction of the shifting bed component; the fixing part of the horizontal guide rail is fixedly connected with the fixing seat; the movable support is fixedly connected with the movable part of the horizontal guide rail; the end part of the movable front bracket is connected with the outer end of the movable bracket; the translation driving device is positioned in the fixed seat and connected with the middle part of the movable front support to drive the movable front support to slide along the width direction of the shift bed assembly; the weighing module is fixed on the movable front support or the movable support, and the upper part of the weighing module is connected with the suspension mechanism and is electrically connected with the controller.

7. The electric displacement vehicle as claimed in claim 6, wherein there are two horizontal guide rails symmetrically arranged, and the fixing portion of the horizontal guide rail is fixedly connected with the inner side surface of the fixing seat; the two movable supports are respectively connected with the movable part of the horizontal guide rail; the weighing module comprises a weighing sensor and a weighing screw rod; the weighing sensor is fixed on the movable bracket and is electrically connected with the controller; the weighing screw is fixed on the weighing sensor, and the upper part of the weighing screw is connected with the suspension mechanism.

8. The electric displacement vehicle as claimed in claim 2, wherein the lifting mechanism comprises a fixed block, a vertical guide rail, a movable frame, a lifting beam and a lifting push rod motor; the lifting cross beam is horizontally arranged, and two sides of the lifting cross beam are fixedly connected with the inner side of the vertical frame; the fixed block is fixed on the inner side of the vertical frame and is positioned above the lifting beam; the vertical guide rail is connected with the fixed block in a sliding manner; the movable frame is connected with the vertical guide rail in a sliding manner, and the other side of the movable frame is fixedly connected with the translation mechanism; the lifting push rod motor is fixed on the lifting cross beam, is fixedly connected with the translation mechanism above the lifting push rod motor, and is electrically connected with the controller.

9. The electric displacement vehicle as claimed in claim 1, wherein the suspension mechanism comprises a suspension frame, a suspension cross member, a suspension rope, a buckle, and a sling; the middle part of the suspension frame is connected with the suspension cross beam, and the lower end of the suspension frame is provided with a plurality of fastening rings; the lower part of the suspension cross beam is connected with the translation mechanism; the upper end of the lifting rope is connected with the fastening ring, and the lower end of the lifting rope is connected with the hasp; the hasp is connected with the hanging bag.

10. The electric shifting cart of claim 2, wherein the shifting bed assembly comprises a shifting bed plate, a handrail, a shifting bed push rod motor and a shifting bed guide rail; the shifting bed guide rail is vertically arranged, a fixed part of the shifting bed guide rail is fixedly connected with the vertical frame, and a movable part is fixedly connected with the side surface of the shifting bed plate; the lower end of the shifting bed push rod motor is fixed on the underframe, and the upper end of the shifting bed push rod motor is fixedly connected with the shifting bed board and is electrically connected with the controller; the handrail is fixedly connected with the shifting bed board.