CN103948475B - Stretcher vibration reducing device - Google Patents
Stretcher vibration reducing device Download PDFInfo
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- CN103948475B CN103948475B CN201410163954.4A CN201410163954A CN103948475B CN 103948475 B CN103948475 B CN 103948475B CN 201410163954 A CN201410163954 A CN 201410163954A CN 103948475 B CN103948475 B CN 103948475B
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Abstract
The invention relates to a stretcher vibration reducing device in the field of medical and health-care instruments. The stretcher vibration reducing device is applied to stretchers in special vehicles. The stretcher vibration reducing device comprises an upper balancing component and a handle component, wherein the upper balancing component is longitudinally connected with the stretcher and lifts and fixes a mattress; one end of the handle component is connected to one side of the stretcher and the other end of the handle component is connected with a frame of the special vehicle; and the handle component is horizontally arranged and is staggered from the upper balancing component. The stretcher vibration reducing device has the advantages that by vibration reducing design on the horizontal direction and the longitudinal direction of the stretcher, the influence of up-down vibration and inertial initial speed, centrifugal force or centripetal force of the stretcher in the special vehicle on a patient is reduced, large action on implementing life-saving operation in the special vehicle under the emergency is achieved, prime rescuing time can be made for nursing staffs, the benefit for rescuing the patient is achieved, the survival rate is increased and the death rate is reduced.
Description
Technical field
The present invention relates to medical health apparatus field, more particularly, to a kind of stretcher vibration absorber for extraordinary in-car.
Background technology
Stretcher is medical institutions to indispensable important tool in patient's rescue and treatment.All it is equipped with existing special purpose vehicle
There is stretcher.In running way, in-car stretcher inherently pitches together special purpose vehicle with vehicle body, swings around, by
Not enough in the buffering vibrationproof of stretcher, existing and jolting and inertia motion impact, such jolting so that being originally in misery
Patient is more painful, or even also results in patient's secondary damage, increases the state of an illness of patient, and medical personnel more cannot be in special purpose vehicle
Carry out help property operative treatment for patient in traveling.So, it is highly detrimental to give emergency treatment to a patient.
Therefore, it is necessary to provide a kind of technological means to solve the above problems.
Content of the invention
It is an object of the invention to overcoming the defect of prior art, providing a kind of structure to be simple and convenient to operate and having good
A kind of stretcher vibration absorber being suitable to special purpose vehicle of good effectiveness in vibration suppression, to solve problem of the prior art.
The present invention is achieved in that a kind of stretcher vibration absorber, for extraordinary in-car stretcher it is characterised in that：Bag
Include longitudinally connected with described stretcher and described mattress is sling fixing upper balanced component and one end is connected to the one of described stretcher
Side, the other end is connected to the handle component of the vehicle frame of described special purpose vehicle, and described handle component is in lateral arrangement, with described upper balance
Assembly staggering is arranged.
Specifically, described upper balanced component includes being connected to the vibroshock in lateral arrangement on described vehicle frame, positioned at described
The lower section of vibroshock and longitudinally grip the hook member on described stretcher two opposite sides side and be connected to described vibroshock and institute
State the connector between hook member, described connector is in be vertically arranged, and intersects setting with described amortisseur.
Specifically, described vibroshock includes being fixedly connected on the upper holder of described vehicle frame, and fixed frame is in laterally
Arrangement, the bottom of fixed frame is connected with and described connector can be driven to rotate or move thus adjusting described stretcher levelness
Drive disk assembly, described drive disk assembly is be arranged in parallel with fixed frame, between described drive disk assembly and fixed frame
It is connected with the longitudinal damping part for absorbing extensional vibration, described longitudinal damping part is in be vertically arranged, and fixed
Frame intersects setting.
Specifically, described drive disk assembly includes being used for providing the motor of power source positioned at end, is fixedly connected on institute
State upper holder bottom and be arranged in parallel the motor mounting rack in order to fixing described motor with fixed frame, described drive
The outfan of galvanic electricity machine is connected with rotating shaft, described rotating shaft by described motor drive rotation, described rotating shaft with fixed
Frame be arranged in parallel, and described rotating shaft is arranged with the regulating part for adjusting described connector length.
Preferably, described connector is the transmission belt of the levelness adjusting described stretcher, and described regulating part is roller, described
On described roller, the other end extends and is fixedly connected described hook member transmission belt one ends wound downward vertically.
Specifically, described longitudinal damping part includes vertically running through running through of fixed frame and described motor mounting rack
Axle, the described two ends running through axle are respectively penetrating end and compress end, described penetrating end pass through described motor mounting rack and described on
Fixed mount, described motor mounting rack or fixed frame are supported in the described end that compresses, described penetrating end be connected with for limit or
Run through the positioning part of axle described in regulation, described run through be arranged with axle between fixed frame and described motor mounting rack
The first elastic component, the two ends of described first elastic component support fixed frame and described motor mounting rack respectively.
Specifically, described hook member includes the top base being connected positioned at top with described connector, and described top base has
The stepped hole opening up straight down, has provided connecting shaft in described stepped hole, the one end of described connecting shaft has and is connected to institute
State the boss of step in the hole, the axial direction along described connecting shaft has provided a compressional axis, between described connecting shaft and described compressional axis
Pressure is provided with the 4th elastic component of absorbable extensional vibration, and the upper end of described compressional axis is arranged with one and is resisted against described raised head face
Keeper, the lower end of described compressional axis is fixedly connected with can be against the pressing plate of described stretcher side, the lower end of described connecting shaft
It is threaded with the folder hook for clamping described stretcher side and the adjustment part for adjusting described folder hook and described press plate position,
Described adjustment part supports the top of described folder hook, and described pressing plate is located at and is cooperatively formed with the bottom of described folder hook in the middle of described folder hook
Clamp the clamp port of described stretcher side.
Specifically, described handle component includes fixed seat that is laterally disposed and being fixedly connected on described vehicle frame, described fixation
The lateral vibration absorbing part extending transversely is hinged with seat, the elongated end of described lateral vibration absorbing part is fixedly connected with and is clamped by folding
The drag hook part of fixing described stretcher side.
Further, described lateral vibration absorbing part include the left lever of lateral arrangement and right pull bar and by described left lever and
The adjusting rod that described right pull bar connects；One end of described left lever is hinged with described fixed seat, and the other end has step blind hole
Left lever, the exit capping of described step blind hole has the sealing plate of described step blind hole closing, described step blind hole interpolation
It is provided with the adjusting rod that can do horizontal sliding, the middle of described adjusting rod has been convexly equipped with a circle positioning boss, described positioning boss
Both sides be arranged with handle spring respectively, described adjusting rod pass through sealing plate one end be fixedly connected right pull bar, described right pull bar
One end setting alternate with described left lever, the other end is fixedly connected drag hook part.
Further, described drag hook part includes the location-plate being fixedly connected on described lateral vibration absorbing part, is articulated with
The drag hook of one end of described location-plate, is supported the side of described drag hook and is threadeded with described location-plate through described drag hook
Regulation handle.
The technique effect of the present invention is：By Vibration Absorption Designing is carried out to the horizontal and vertical of stretcher, reduce stretcher in special type
The impact to patient for the in-car vibration and inertia motion is very big to having in extraordinary in-car enforcement help property operation under emergency
Effect, can be that gold therapeutic time is striven for by nursing staff, beneficial to giving emergency treatment to a patient, improve survival rate, reduce mortality rate.
Brief description
Fig. 1 is a kind of schematic perspective view of stretcher vibration absorber of the embodiment of the present invention；
Fig. 2 is a kind of schematic side view of stretcher vibration absorber of the embodiment of the present invention；
Fig. 3 is a kind of schematic elevation view of stretcher vibration absorber of the embodiment of the present invention；
Fig. 4 is the schematic perspective view of vibroshock in Fig. 1；
Fig. 5 is the schematic elevation view of vibroshock in Fig. 1；
Fig. 6 is the enlarged diagram at A in Fig. 5；
Fig. 7 is the enlarged diagram at B in Fig. 5；
Fig. 8 is the schematic perspective view of hook member in Fig. 2；
Fig. 9 is the generalized section of Fig. 8；
Figure 10 is the schematic perspective view of handle component in Fig. 1；
Figure 11 is the generalized section of Fig. 9.
Description of symbols：
200 vehicle frame 3126 oscillating bearing
100 stretcher vibration absorber 3127 electric machine support
1 mattress 3131 runs through axle
2 bedstead 3132 positioning part
Balanced component 3,133 first elastic component on 3
4 handle component 3,134 second elastic component
Flat Jie of 31 vibroshock 3135
32 transmission belt 3311 stepped hole
33 hook member 3312 fixing axle
311 upper holder 3313 locking member
312 drive disk assembly 3314 bottom roller
313 longitudinal damping part 3321 boss
314 Slope Transducer 3322 second step hole
315 installation sheet 31311 penetrating end
316 limited rollers 31312 compress end
317 contact chip 41 fixed seat
318 support shaft 42 lateral vibration absorbing part
331 top base 43 drag hook part
332 connecting shaft 421 left lever
333 compressional axis 4211 step blind hole
334 folder hook 4231 positioning boss
335 the 4th elastic component 422 sealing plate
336 pressing plate 423 adjusting rod
337 adjustment part 424 handle spring
The right pull bar of 338 keeper 425
3111 bearing plate 426 back-up ring
3112 connecting plate 427 sealing ring
3113 bracing frame 431 location-plate
3121 motor 432 drag hook
3122 motor mounting rack 433 regulation handle
3123 rotating shaft 4321 top
3124 roller 4331 rod member
Piece supported by 3125 shaft couplings 4332
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Refer to shown in Fig. 1 to Figure 11, the present invention provides a kind of stretcher vibration absorber, this stretcher vibration absorber is mainly used in
Extraordinary in-car, described special type in-car has vehicle frame 200, and stretcher is mainly by the mattress 1 for being lain low by nursing staff and fixing mattress 1
Bedstead 2 form.In the present embodiment, this mattress 1 is rectangular, that is, has the two relative long sides minor face relative with two, this
In embodiment, described bedstead 2 is two poles that are oppositely arranged, is respectively fixedly connected with the two long sides being oppositely arranged on the mattress 1.
As shown in Figure 1 to Figure 3, the end of two poles, is located at the head of a bed and the tailstock of stretcher, pole is as edge of bed respectively.Can manage herein
Solution, this bedstead 2 can also be an enclosing square enclosing, and match with the periphery of this mattress 1 and be fixedly connected, be also feasible.
This bedstead 2 is connected with balanced component 3 and handle component 4.In the present embodiment, upper balanced component 3 is provided with two groups, is respectively provided with
In the head of a bed and tailstock, on the longitudinally connected two long sides being oppositely arranged on this bedstead 2 of upper balanced component 3, each upper balanced component 3
All it is connected with two edge of beds of the head of a bed or tailstock.Mattress 1 can be sling by balanced component on this 3 and be fixed on extraordinary in-car, and
Longitudinal vibration can be absorbed.Handle component 4 is provided with two groups, interval setting, in lateral arrangement, wrong with described upper balanced component 3
Open up and put.Specifically, one end of this handle component 4 is laterally connected in the bedstead 2 near vehicle frame 200, that is, near vehicle frame 200
Edge of bed, the other end of handle component 4 is laterally connected in vehicle frame 200, absorbable oscillation crosswise.So, by the horizontal stroke to stretcher
Carry out Vibration Absorption Designing to longitudinal, reduce the impact in extraordinary in-car vibration and inertia motion to patient for the stretcher, to urgent shape
Play the role of in extraordinary in-car enforcement help property operation very big under condition, can be that gold therapeutic time is striven for by nursing staff,
Beneficial to giving emergency treatment to a patient, improve survival rate, reduce mortality rate.
Certainly, it is all feasible for can also arranging multiple upper balanced components 3 and handle component 4 as needed.
Specifically, referring to shown in Fig. 4 and Fig. 5, upper balanced component 3 includes vibroshock 31, hook member 33 and connector.This subtracts
The device 31 that shakes is in lateral arrangement, and the top of this vibroshock 31 is longitudinally lifted on the roof of vehicle frame 200, and this vibroshock 31 includes fixing
It is connected to the upper holder 311 of vehicle frame 200, this upper holder 311 passes through connector and the hook member 33 that can longitudinally clamp edge of bed
Connect.This hook member 33 is vertically arranged, positioned at the lower section of fixed frame 311.Described connector is in be vertically arranged, its one end
Intersect vertically with upper holder 311 and be connected, the other end is connected to catch member 33.It is provided with two in this each upper balanced component 3
The hook member 33 being set up in parallel, each hook member 33 individually clamps the side of bedstead 2, that is, is held on edge of bed.So, bedstead
2 uniform force, connect reliable it is easy to fix.It is appreciated that one end of this vibroshock 31 is laterally connected in the side of vehicle frame 200
Wall, the other end is vacantly arranged, and is also feasible.
In the present embodiment, upper holder 311 includes the bearing plate 3111 being fixedly connected on vehicle frame 200, this bearing plate 3111
In lateral arrangement, it be arranged in parallel with the roof of described vehicle frame 200.The vertical connection placed is passed through in the bottom of described bearing plate 3111
Plate 3112 is connected with bracing frame 3113, and bracing frame 3113 is be arranged in parallel with bearing plate 3111, and this bracing frame 3113 subtracts as one
Shake the platform of design.It is connected with drive disk assembly 312 in the bottom of bracing frame 3113, described connector is by described drive disk assembly 312
Drive so that this connector rotates or mobile, thus adjusting the levelness of described stretcher.It is, working as the head of a bed and the bed of stretcher
Tail, not in same level, can be rotated or mobile by drive disk assembly 312 drive connection part adjusting, thus raising the head of a bed or bed
The position of tail.Certainly, sometimes according to needs, also can deliberately by the head of a bed or Bed set up on different horizontal planes, be easy to rescue
By nursing staff.
As shown in Figure 5, it is connected between drive disk assembly 312 and upper holder 311 and subtract for the longitudinal direction absorbing extensional vibration
Shake part 313.This longitudinal damping part 313 is in be vertically arranged, and intersects setting with upper holder 311.In the present embodiment, longitudinally subtract
The part 313 that shakes arranges three groups, is located at two ends and the centre of bracing frame 3113 respectively.So, the vibration damping amplitude of bedstead 2 the same side becomes
In consistent, that is, the head of a bed or bed end two edge of bed can tend to rising or falling simultaneously, and longitudinal damping effect is good.By longitudinal direction
The extensional vibration having vehicle frame 200 to pass over can be absorbed elimination by damping means 313.Certainly, according to actual needs, also may be used
Multiple equally distributed longitudinal damping parts 313 are set.
Specifically, shown in Figure 6, it is the close-up schematic view of longitudinal damping part 313.Described longitudinal damping part
313 include running through support frame as described above 3113 and described motor mounting rack 3122 run through axle 3131, this runs through axle 3131 and vertically sets
Put it is preferable that this runs through axle 3131 is bolt.The described two ends running through axle 3131 are respectively penetrating end 31311 and compress end
31312, compress end 31312 and there is an outward flange, penetrating end 31311 has external screw thread.This penetrating end 31311 sequentially passes through motor
Installing rack 3122 and bracing frame 3113, bracing frame 3113 is supported at the described end 31312 that compresses, and described penetrating end 31311 is connected with use
In the positioning part 3132 running through axle 3131 described in restriction or regulation it is preferable that this positioning part 3132 is nut.Described run through axle
It is arranged with the first elastic component 3133, this first elastic component 3133 is located at support frame as described above 3113 and described motor mounting rack on 3131
Between 3122, the two ends of this first elastic component 3133 support support frame as described above 3113 and described motor mounting rack 3122 respectively.As
This, when special purpose vehicle pitches and produces vibration to stretcher, vibrational energy by described motor mounting rack 3122 pass to this
One elastic component 3133, that is, the up-down vibration energy producing when this first elastic component 3133 absorption special purpose vehicle is jolted, thus adjust
This stretcher whole, is allowed to be in horizontality, and secondary structure is simply effective.
Certainly, also can be by motor mounting rack described in screw bolt passes 3122 and upper holder 311, bolt head, that is,
Compress end 31312, support motor mounting rack 3122.
Further, refer again to shown in Fig. 6, described penetrating end 31311 is also arranged with the second elastic component 3314, this
One end of two elastic components 3314 is resisted against described positioning part 3132, and the other end is resisted against described upper support frame 3113.Support for increasing
The area on top, is additionally provided with flat Jie 3315 between described positioning part 3132 and described second elastic component 3314.So, two can be formed
Level vibration damping.
Further, the described end 31312 that compresses also is arranged with the 3rd elastic component (not shown), described 3rd elasticity
The two ends of part are resisted against described motor mounting rack 3122 and the described outward flange running through axle 3131 respectively.So, extraordinary in-car
Stretcher can define three-level vibration damping by longitudinal damping part 313 in a longitudinal direction.
Refering to shown in Fig. 5, drive disk assembly 312 includes providing the motor 3121 of power source, is used for fixing described driving
The motor mounting rack 3122 of motor 3121, described motor mounting rack 3122 is fixedly connected on support frame as described above 3113 bottom, with institute
State upper holder 311 to be arranged in parallel.Motor 3121 is connected to described by the connecting plate for electric motor 3127 that a section is in " L " shape
The bottom of motor mounting rack 3122, the external part of motor 3121 passes through shaft coupling 3125 connection rotating shaft 3123, described support
Frame 3113 bottom extends downward with two joint bearing 3126, and two joint bearing 3126 is alternate to be arranged and align.This rotating shaft
3123 to sequentially pass through two joint bearing 3126 parallel with the bottom of bracing frame 3113.Motor 3121 drives 3123 turns of this rotating shaft
Dynamic, described rotating shaft 3123 is arranged with the regulating part for connecting described connector.By the rotation of rotating shaft 3123, tune can be driven
Section part rotates, thus the length of adjusting connector, and then adjust the difference in height of the stretcher head of a bed or tailstock.
Preferably, described regulating part is roller 3124, and described connector is the transmission belt of the levelness adjusting described bedstead 2
32, because transmission belt 32 has flexibility, absorbable partial vibration, on roller 3124, the other end is solid for transmission belt 32 one ends wound
Determine connection suspension hook 33.So, by the rotation of roller 3124, just can be wound around or launch transmission belt 32, thus changing transmission belt
32 length, and then change the height of the head of a bed or tailstock on stretcher, thus adjusting the levelness of stretcher.
In addition, also described regulating part can be preferably gear, correspondingly, described connector is preferably gear bar, gear bar
One end engage with gear, the other end is fixedly connected the head of a bed of same scalable stretcher or tailstock height with hook member 33, and then
Guarantee that stretcher is in a preferable levelness state.
Referring again to shown in Fig. 7, in order to preferably guarantee the effectiveness in vibration suppression to extraordinary in-car stretcher, in the end of rotating shaft 3123
It is additionally provided with the Slope Transducer 314 due to checking the slope change in special purpose vehicle operation way, correspondingly, install in described motor
The bottom of frame 3122 is provided with two installation sheets 315 being oppositely arranged, and Slope Transducer 314 is arranged between two installation sheets 315, and two
The bottom of installation sheet 315 is concatenated by support shaft 318, and support shaft 318 is each passed through two installation sheets 315, fixing in rotating shaft 3123
The limited roller 316 being connected with contact chip 317 and limiting described contact chip 317 position.So, when rescue time climbing or descending
When, the value of slope detecting is fed back to motor 3121 by Slope Transducer 314, and drive shaft 3123 rotates, and automatically corrects
The head of a bed, in the difference in height of tailstock, keeps the horizontal level of stretcher, improves the comfort with care-giver, alleviate by nursing staff
Psychological burden.
Specifically, referring to shown in Fig. 8 and Fig. 9, described hook member 33 includes superposed top base 331, and connector is even
It is connected to top base 331.This top base 331 has and always wears the stepped hole 3311 put, and the top of top base 331 is equipped with laterally
The fixing axle 3312 placed, this fixing axle 3312 is arranged with bottom roller 3314, described bottom roller 3314 is placed in described stepped hole
In 3311, described bottom roller 3314 is connected with described transmission belt 32 and can rotate relative to described fixing axle 3312.Described fixing axle
The one end passing described top base 331 on 3312 has external screw thread, is bolted with a locking member 3313, and this locking member 3313 presses on
The outer surface of described top base 331.
Preferably, described fixing axle 3312 is a bolt.
Specifically, longitudinally provided a connecting shaft 332 in described stepped hole 3311, the upper end of described connecting shaft 332 has
Boss 3321, this boss 3321 is connected to the step surface in described stepped hole 3311, and the lower end of connecting shaft 332 is provided with outer spiral shell
Stricture of vagina.Along the axial direction of described connecting shaft 332, this connecting shaft 332 also has the second step hole 3322 of insertion setting, a compression
Axle 333 is arranged in this second step hole 3322, and the upper end of compressional axis 333 is exposed described second step hole 3322 and is arranged with
Positioning piece 338, one end is resisted against the end face of the boss 3321 positioned at connecting shaft 332 top, and this keeper 338 limits should
The distance that compressional axis 333 moves down；The bottom of compressional axis 333 is fixedly connected with described with described folder hook 334 cooperation clamping
The pressing plate 336 of bedstead 2, between connecting shaft 332 and described compressional axis 333, pressure is provided with the 4th elastic component of absorbable extensional vibration
335, the 4th elastic component 335, one end is resisted against the step surface in described second step hole 3322, and the other end is resisted against described compression
On pressing plate 336 on axle 333 lower end.The lower end of connecting shaft 332 is threaded with folder hook 334 He for clamping described bedstead 2
Support described folder hook 334 to be used for adjusting the adjustment part 337 of described folder hook 334 and described pressing plate 336 position.Described pressing plate 336 He
Hook 334 mating reaction of described folder forms about one opposite chucking power to bedstead 2 side.So, personnel to be treated are being put
It is placed on mattress 1 when delivering to extraordinary in-car, the side of bedstead 2 is positioned over folder hook 334 between pressing plate 336, by the 4th bullet
Property part 335 compress this pressing plate 336 formed self-locking, just can achieve fast clamp bedstead 2 side, by rotate adjustment part 337, subtract
Little pressing plate 336 in folder the distance between hook 334 bottom, thus increasing chucking power；When needing to disassemble, push up pressing plate
336, increase pressing plate 336 in the distance between folder hook 334 bottom, the side of bedstead 2 is extracted out.For the ease of pressing upwards on
Plate 336, the side of described pressing plate 336 is folded upward at forming an angularly disposed ejection part.
Meanwhile, the 4th elastic component 335 can also absorb the extensional vibration of part so that extraordinary in-car stretcher has four
Level vibration damping efficiency, effectiveness in vibration suppression is good.
It is contemplated that the second step hole 3322 in connecting shaft 332 is arranged to through hole, the two ends of the 4th elastic component 335
It is resisted against respectively on the end face and pressing plate 336 of connecting shaft 332, be also feasible.
It can be appreciated that because transmission belt 32 has a flexibility, the extensional vibration of absorbable part, so, in a longitudinal direction
There is whole stretcher there is Pyatyi vibration-proof structure, greatly strengthen the effectiveness in vibration suppression of described stretcher vibration absorber it is ensured that waiting to protect
The comfort level that reason person uses.
More specifically, shown in Figure 10, described handle component 4 includes being fixedly connected on the fixed seat of described vehicle frame 200
41st, in the present embodiment, this fixed seat 41 is laterally disposed towards the right side, and the right-hand member of fixed seat 41 has a prong, and this prong passes through one
Bearing pin is hinged with the lateral vibration absorbing part 42 of absorbable oscillation crosswise, and described lateral vibration absorbing part 42 extends transversely and forms, described horizontal stroke
It is fixedly connected with the drag hook part 43 for gripping described bedstead 2 to the elongated end of vibration-damped component 42, this drag hook part 43 leads to
Cross opening and closing movement, grip the side of described bedstead 2.
Yet further, as shown in figure 11, described lateral vibration absorbing part 42 includes the left lever 421 of lateral arrangement and right pull bar
425, one end of left lever 421 is hinged with fixed seat 41, and the other end has step blind hole 4211, described step blind hole 4211 interpolation
It is provided with the adjusting rod 423 that can do horizontal sliding, the exit capping of described step blind hole 4211 has a sealing plate 422, this sealing
The middle of lid have for adjusting rod 423 wear through hole, the right part of adjusting rod 423 passes through sealing plate 422, with right pull bar
425 are fixedly connected, and should begin with seal groove through the inwall in hole, and be equipped with sealing ring 427 in seal groove.427 sets of this sealing ring
On adjusting rod 423.Step blind hole 4211 can be sealed to by a confined space, this confined space by this sealing plate 422
Inside it is packaged with compressed air or other fluid media (medium).The middle of this adjusting rod 423 has been convexly equipped with a circle positioning boss 4231,
The confined space that described step blind hole 4211 is formed is divided into left and right two chambeies by this boss, and the both sides of described positioning boss 4231 are divided
Be not arranged with handle spring 424, positioned at handle spring 424 two ends on the left side be resisted against respectively positioning boss 4231 left side and
The step surface of step blind hole 4211, is resisted against the right-hand member of positioning boss 4231 respectively positioned at the two ends of the handle spring 424 on the right
On face and sealing plate 422, for improving sealing effectiveness, the right side junction of described sealing plate 422 and described left lever 421, if
It is equipped with sealing ring 427.So, when special purpose vehicle produces transverse shakiness, left and right pull bar is had to be mutually shifted, near or remote, change
Become the amount of elastic deformation of the handle spring 424 of positioning boss 4231 both sides, step blind hole 4211 middle left and right chamber produces pressure
Difference, the compressed air being packaged in this confined space automatically adjusts and tends to dynamic equilibrium, the amount of elastic deformation of generation and pressure differential
To stop extraordinary in-car stretcher that lateral displacement occurs, that is, transverse-vibration momentum is absorbed so that stretcher tends to all the time
Plateau.
Further, shown in Figure 11, the left side of described right pull bar 425 and the right side phase of described left lever 421
Between arrange, the left side of this left lever 421 is additionally provided with back-up ring 426, prevents right pull bar 425 and left lever 421 from mutually colliding,
Interfere.
The right part of described right pull bar 425 is fixedly connected with drag hook part 43, and this drag hook component is used for horizontal fixed bedstead 2
It is clamped and fastened on the same side of bedstead 2.Described drag hook part 43 includes location-plate 431, drag hook 432 and regulation handle 433.Fixed
Position plate 431 is fixedly connected on the right side of right pull bar 425, and this location-plate 431 is vertically placed, and the top of location-plate 431 is passed through
One bearing pin is hinged with drag hook 432, and the longitudinal section of described drag hook 432 is in substantially " 7 " font, and the top of drag hook 432 is fixed with described
Position plate 431 is hinged, and formation one top 4321 is put in the lower rightward projection of drag hook 432, forms the V-groove of a traverse simultaneously,
One screwed hole is provided on described location-plate 431, described drag hook 432 has offered through hole corresponding with described screwed hole, adjusted
Handle 433 includes one and is connected to the rod member 4331 of described screw thread in the hole through described through hole whorl and is connected to rod member 4331 end
What portion was resisted against the top 4321 of drag hook 432 bottom supports piece 4332.So, in fixed bedstead 2, rotate this regulation handle
433, change the openings of sizes being formed between drag hook 432 and location-plate 431, just can clamp the side of bedstead 2 or discharge, this sets
Meter is ingenious, and structure is simple, easy to operate.In off working state, contact drag hook part 43 and hook member 33 are to bedstead 2 side
Mattress 1 just can be packed up by clamping action, saves extraordinary in-car space.
The foregoing is only preferred embodiments of the present invention, its structure is not limited to the above-mentioned shape enumerated, all
Any modification, equivalent and improvement of being made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of stretcher vibration absorber, for extraordinary in-car stretcher it is characterised in that：Including longitudinally connected with described stretcher simultaneously
Mattress is sling fixing upper balanced component and one end is connected to the side of described stretcher, the other end is connected to described special purpose vehicle
The handle component of vehicle frame, described handle component is in lateral arrangement, staggers setting with described upper balanced component, described upper balanced component
Including to be connected on described vehicle frame be in the vibroshock of lateral arrangement, it is located at the lower section of described vibroshock and longitudinally grips described
The hook member on stretcher two opposite sides side and be connected to connector between described vibroshock and described hook member, described connector
In being vertically arranged, intersect setting with described vibroshock, described vibroshock includes being fixedly connected on the upper holder of described vehicle frame, institute
Stating upper holder is in lateral arrangement, and the bottom of fixed frame is connected with and described connector can be driven to rotate or move thus adjusting
Save the drive disk assembly of described stretcher levelness.
2. as claimed in claim 1 a kind of stretcher vibration absorber it is characterised in that：Described drive disk assembly and fixed frame
It is arranged in parallel, between described drive disk assembly and fixed frame, be connected with the longitudinal damping part for absorbing extensional vibration,
Described longitudinal damping part is in be vertically arranged, and intersects setting with fixed frame.
3. as claimed in claim 2 a kind of stretcher vibration absorber it is characterised in that：Described drive disk assembly includes using positioned at end
In provide power source motor, be fixedly connected on fixed frame bottom and with fixed frame be arranged in parallel in order to
The motor mounting rack of fixing described motor, the outfan of described motor is connected with rotating shaft, and described rotating shaft is by described drive
Dynamic Motor drive rotation, described rotating shaft is be arranged in parallel with fixed frame, and described rotating shaft is arranged with for adjusting described company
The regulating part of fitting length.
4. as claimed in claim 3 a kind of stretcher vibration absorber it is characterised in that：Described connector is to adjust described stretcher
The transmission belt of levelness, described regulating part is roller, and, on described roller, the other end is downward vertically for described transmission belt one ends wound
Extend and be fixedly connected described hook member.
5. a kind of stretcher vibration absorber as described in claim 3 or 4 it is characterised in that：Described longitudinal damping part includes erecting
To the axle that runs through running through fixed frame and described motor mounting rack, the described two ends running through axle are respectively penetrating end and compress
End, described penetrating end pass through described motor mounting rack and fixed frame, described compress end support described motor mounting rack or
Fixed frame, described penetrating end is connected with the positioning part for running through axle described in restriction or regulation, described runs through set on axle
It is provided with the first elastic component between fixed frame and described motor mounting rack, the two ends of described first elastic component are respectively
Support fixed frame and described motor mounting rack.
6. a kind of stretcher vibration absorber as any one of claim 2-4 it is characterised in that：Described hook member includes position
The top base being connected with described connector in top, described top base has the stepped hole opening up straight down, described stepped hole
In provided connecting shaft, the one end of described connecting shaft has the boss being connected to described step in the hole, along described connecting shaft
Axially provide a compressional axis, between described connecting shaft and described compressional axis, pressure is provided with the 4th elasticity of absorbable extensional vibration
Part, the upper end of described compressional axis is arranged with a keeper being resisted against described raised head face, and the lower end of described compressional axis is fixed
Being connected with can be against the pressing plate of described stretcher side, and the lower end of described connecting shaft is threaded with for clamping described stretcher side
Folder hook and the adjustment part for adjusting described folder hook and described press plate position, described adjustment part supports the top of described folder hook,
Described pressing plate is located at and cooperatively forms, with the bottom of described folder hook, the clamp port clamping described stretcher side in the middle of described folder hook.
7. as claimed in claim 1 a kind of stretcher vibration absorber it is characterised in that：Described handle component include laterally disposed and
Be fixedly connected on the fixed seat of described vehicle frame, the lateral vibration absorbing part extending transversely be hinged with described fixed seat, described laterally
The elongated end of vibration-damped component is fixedly connected with the drag hook part gripping described stretcher side by folding.
8. as claimed in claim 7 a kind of stretcher vibration absorber it is characterised in that：Described lateral vibration absorbing part includes lateral arrangement
Left lever and right pull bar and the adjusting rod that described left lever and described right pull bar are connected；One end of described left lever and institute
State that fixed seat is hinged, the other end has the left lever of step blind hole, the exit capping of described step blind hole has described step
The sealing plate of blind hole closing, is inserted with the adjusting rod that can do horizontal sliding, the middle of described adjusting rod in described step blind hole
It has been convexly equipped with a circle positioning boss, the both sides of described positioning boss are arranged with handle spring respectively, described adjusting rod passes through sealing
One end of plate is fixedly connected right pull bar, one end of described right pull bar setting alternate with described left lever, and the other end is fixedly connected and draws
Hook part.
9. as claimed in claim 7 or 8 a kind of stretcher vibration absorber it is characterised in that：Described drag hook part includes fixing company
It is connected to the location-plate on described lateral vibration absorbing part, is articulated with the drag hook of one end of described location-plate, support the side of described drag hook
And the regulation handle threadeded with described location-plate through described drag hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163954.4A CN103948475B (en) | 2014-04-22 | 2014-04-22 | Stretcher vibration reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163954.4A CN103948475B (en) | 2014-04-22 | 2014-04-22 | Stretcher vibration reducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103948475A CN103948475A (en) | 2014-07-30 |
| CN103948475B true CN103948475B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410163954.4A Active CN103948475B (en) | 2014-04-22 | 2014-04-22 | Stretcher vibration reducing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106176066A (en) * | 2016-09-22 | 2016-12-07 | 徐院生 | Guiding telescopic machanism stablized by a kind of mover |
| CN110464551B (en) * | 2018-04-28 | 2020-11-13 | 青岛大学附属医院 | Medical stretcher |
| CN109199753B (en) * | 2018-10-31 | 2023-11-10 | 宁波得益机电设备有限公司 | Patient transfer vehicle and application method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361623A1 (en) * | 1973-12-11 | 1975-06-12 | Miesen Fahrzeug | Ambulance stretcher frame lifting gear - has dampers to absorb transverse movement |
| CN202294987U (en) * | 2011-09-23 | 2012-07-04 | 中国人民解放军第三军医大学第二附属医院 | Buffering anti-vibration device for medical ambulance |
| CN102939065A (en) * | 2010-04-26 | 2013-02-20 | 费诺-华盛顿公司 | Emergency vehicle patient transport systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130033056A1 (en) * | 2011-08-05 | 2013-02-07 | Tunis Iii George C | Energy absorbing system for blast mitigation of support elements such as suspended seats or stretchers in military vehicles |
| US9241850B2 (en) * | 2011-09-02 | 2016-01-26 | Ferno-Washington, Inc. | Litter support assembly for medical care units having a shock load absorber and methods of their use |
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2014
- 2014-04-22 CN CN201410163954.4A patent/CN103948475B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361623A1 (en) * | 1973-12-11 | 1975-06-12 | Miesen Fahrzeug | Ambulance stretcher frame lifting gear - has dampers to absorb transverse movement |
| CN102939065A (en) * | 2010-04-26 | 2013-02-20 | 费诺-华盛顿公司 | Emergency vehicle patient transport systems |
| CN202294987U (en) * | 2011-09-23 | 2012-07-04 | 中国人民解放军第三军医大学第二附属医院 | Buffering anti-vibration device for medical ambulance |
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| CN103948475A (en) | 2014-07-30 |
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