CN205569257U - But vertical lift's scanning bed - Google Patents
But vertical lift's scanning bed Download PDFInfo
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- CN205569257U CN205569257U CN201620209942.5U CN201620209942U CN205569257U CN 205569257 U CN205569257 U CN 205569257U CN 201620209942 U CN201620209942 U CN 201620209942U CN 205569257 U CN205569257 U CN 205569257U
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Abstract
The utility model relates to a but vertical lift's scanning bed, scanning bed establish vertical lifting device and base down in order, and vertical lifting device is including the crossbeam that is on a parallel with scanning bed and base, pivot and back pivot before establish respectively at the crossbeam both ends to preceding pivot is established the upper end with the back pivot for the pin joint parallel and is do not hinged in the first runner assembly and the the second turning discreteness of scanning bed and base with lower tip, establish the guide rail that the cooperation has slider and slider pivot on the crossbeam, hinge between the upper end of slider pivot and first runner assembly and establish the articulated lower support arm that establishes between support arm and lower tip, vertical lift mechanism still includes actuating mechanism. The utility model discloses can put down scanning bed under the prerequisite that does not change the position of scanning bed on the horizontal direction, change its vertical height, on the focus was in same perpendicular line all the time, the deflection uniformity was good, and the vertical lifting device rigidity is good, and lifting speed is fast, change simple structure, and the high and good reliability of work efficiency, later stage image image quality is high, and is with low costs.
Description
Technical field
This utility model belongs to the location of patient；Tiltable bed or the technical field of its analog, particularly to a kind of ensure rise be down to diverse location time position in the horizontal direction keep constant, deflection concordance good can vertical lift scanning bed.
Background technology
Along with the popularization and application in medical procedures of the diagnostic devices such as CT, MRI, PET, owing to the situation of sufferer is different, for scanning bed use demand, the particularly requirement of height is the most changeable and strict, for the needs diagnosed, scanning bed bottom all can be provided for controlling the elevating mechanism of height change, with satisfied different patient's bunk beds and the requirement of scanning.
In prior art, the main lowering or hoisting gear using parallelogram sturcutre and shears fork structure (including double shear knife and fork structure) completes scanning bed lift work.
The lowering or hoisting gear using parallelogram sturcutre completes the Chinese patent such as Patent No. 200810228504.3 " a kind of scanning bed lifting structure " of scanning bed lift work, and its problem being primarily present includes:
(1) when the lowering or hoisting gear liter of parallelogram sturcutre is down to diverse location, scanning bed position in the horizontal direction can change, and affects sweep limits and controls loaded down with trivial details；
(2) the lowering or hoisting gear poor rigidity of parallelogram sturcutre, rearward, poor stability, horizontal bedstead overhangs big center of gravity, and deflection is big；
(3) the lowering or hoisting gear rising or falling speed of parallelogram sturcutre is low, and motor working efficiency is low.
The lowering or hoisting gear using shears fork structure (including double shear knife and fork structure) completes the Chinese patent such as Patent No. 201310529296.1 " a kind of telescoping support structure and sick bed elevating mechanism " of scanning bed lift work, and its problem being primarily present includes:
(1) when the lowering or hoisting gear liter of shears fork structure (including double shear knife and fork structure) is down to diverse location, the span of supporting mechanism changes, and the deflection of differing heights changes greatly, and subsequent correction algorithm is complicated, the picture quality of impact detection；
(2) lifting device structure of shears fork structure (including double shear knife and fork structure) is complicated, need to use many secondary guide rail mechanisms, relate to slide block many, needs lead screw transmission, assembling trouble, and manufacturability is poor, poor reliability, and cost is high；
(3) lowering or hoisting gear of shears fork structure (including double shear knife and fork structure) drives the arm of force little when arriving extreme lower position, needs Motor torque big, and motor work is proposed high requirement, inefficiency.
Utility model content
This utility model solves the technical problem that and is, in prior art, the main lowering or hoisting gear using parallelogram sturcutre and shears fork structure (including double shear knife and fork structure) completes scanning bed lift work, and the liter of cannot taking into account caused is down to during diverse location keep horizontal level constant and the conforming demand of deflection, existence and stability is poor in varying degrees, poor rigidity, rising or falling speed is low, motor working efficiency is low, picture quality is unstable, assembling trouble, manufacturability is poor, the problem that structure is complex and high cost, and then provide a kind of optimize structure can vertical lift scanning bed.
This utility model be employed technical scheme comprise that, a kind of can vertical lift scanning bed, described scanning bed under be sequentially provided with vertical lift device and base, described vertical lift device includes being parallel to scanning bed and base crossbeam, the both ends of described crossbeam are respectively equipped with front rotary shaft and rear rotating shaft, described scanning bed it is provided with first runner assembly and the second turning discreteness with rear rotating shaft for pin joint is parallel with front rotary shaft respectively with between base, the described upper and lower end of the first runner assembly and the upper and lower end of the second turning discreteness are respectively articulated with to be located on scanning bed and base；It is additionally provided with guide rail on described crossbeam, coordinate on described guide rail and be provided with slide block, described slide block is provided with slide block rotating shaft, the hinged support arm that is provided with between the upper end of described slide block rotating shaft and the first runner assembly, hinged between the bottom of described slide block rotating shaft and the first runner assembly is provided with lower support arm；Described vertical lifting mechanism also includes drive mechanism.
Preferably, described first runner assembly include rotating shaft on be located on scanning bed first, the first lower rotary shaft of being located on base, hinged the first top link being located on described front rotary shaft and first between rotating shaft and hinged the first lower swing arm being located between described front rotary shaft and the first lower rotary shaft；Described the second turning discreteness includes rotating shaft on be located on scanning bed second, be located on base the second lower rotary shaft, hinged the second top link being located in described rear rotating shaft and second between rotating shaft and hinged the second lower swing arm being located between described rear rotating shaft and the second lower rotary shaft.
Preferably, on described first, in rotating shaft and second, distance between the axle center of rotating shaft is equal with the distance between the axle center of front rotary shaft and rear rotating shaft, and the distance between the axle center of described first lower rotary shaft and the second lower rotary shaft is equal with the distance between the axle center of front rotary shaft and rear rotating shaft.
Preferably, described drive mechanism includes the hinged hinge support in one end and drives push rod, and the other end of described hinge support is hinged to be located on crossbeam, and the other end of described driving push rod is hinged to be located on base.
Preferably, described drive mechanism includes the hinged hinge support in one end and drives push rod, the hinged leading section being located at crossbeam of the other end of described hinge support or rearward end, the corresponding hinged leading section being located at described base of the other end of described driving push rod or rearward end.
Preferably, described drive mechanism includes driving push rod, one end of described driving push rod is hinged to be located on described base, and the other end of described driving push rod is hinged to be located on first in rotating shaft or second on rotating shaft or the first lower rotary shaft or the second lower rotary shaft or upper support arm or lower support arm.
Preferably, described drive mechanism includes motor and the screw mandrel being equipped with, and described cross rail inner is located at by described leading screw, and one end of described leading screw is connected with front rotary shaft, and the cooperation of described screw mandrel is provided with screw, and described screw is connected with described slide block by nut seat.
Preferably, described motor is horizontal servomotor.
This utility model provide a kind of optimize structure can vertical lift scanning bed, by being sequentially arranged vertical lift device and base under scanning bed, vertical lift device is arranged parallel to scanning bed and base crossbeam, and the both ends of crossbeam by front rotary shaft and rear rotating shaft scanning bed with base between be respectively articulated with the first parallel runner assembly and the second turning discreteness be set, guide rail is set on crossbeam simultaneously, upper support arm and lower support arm it is equipped with respectively with the upper and lower end of the first runner assembly by the slide block rotating shaft on the slide block that coordinates with guide rail, i.e. constitute moveable support with the first runner assembly, coordinate drive mechanism for the driving effect of vertical lifting mechanism, can put down scanning bed on the premise of not changing scanning bed position in the horizontal direction, change its vertical height.Of the present utility model scanning bed when liter is down to diverse location, position in the horizontal direction keeps constant, center of gravity is on same vertical line all the time, deflection concordance is good, the good rigidly of vertical lift device, and rising or falling speed is fast, change simple in construction, work efficiency height and good reliability, the image quality of later image is high, low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model；
Fig. 2 is the structural representation of embodiment 2 of the present utility model；
Fig. 3 is the structural representation of embodiment 3 of the present utility model
Fig. 4 is to lift scanning bed structural representation during the bottom that in embodiment 1 of the present utility model, the bottom of upper end and lower support arm that the upper end of upper support arm is hinged on the first top link is hinged on the first lower swing arm；
Fig. 5 is to put down scanning bed structural representation during the bottom that in embodiment 1 of the present utility model, the bottom of upper end and lower support arm that the upper end of upper support arm is hinged on the first top link is hinged on the first lower swing arm.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but protection domain of the present utility model is not limited to this.
As shown in the figure, this utility model relate to a kind of can vertical lift scanning bed, sequentially it is provided with vertical lift device and base 2 described scanning bed 1 time, described vertical lift device includes the crossbeam 3 being parallel to scanning bed 1 and base 2, the both ends of described crossbeam 3 are respectively equipped with front rotary shaft 4 and rear rotating shaft 5, described scanning bed 1 is provided with first runner assembly and the second turning discreteness with rear rotating shaft 5 for pin joint is parallel with front rotary shaft 4 respectively with between base 2, the described upper and lower end of the first runner assembly and the upper and lower end of the second turning discreteness be respectively articulated be located at scanning bed 1 and base 2 on；It is additionally provided with guide rail 6 on described crossbeam 3, coordinate on described guide rail 6 and be provided with slide block 7, described slide block 7 is provided with slide block rotating shaft 8, the hinged support arm 9 that is provided with between the upper end of described slide block rotating shaft 8 and the first runner assembly, hinged between the bottom of described slide block rotating shaft 8 and the first runner assembly is provided with lower support arm 10；Described vertical lifting mechanism also includes drive mechanism.
In this utility model, being sequentially arranged vertical lift device and base 2 for scanning bed 1 time, wherein base 2 and scanning bed 1 each serves as the lower strong point and the effect of the upper strong point of vertical lift device.
In this utility model, vertical lift device includes being parallel to scanning bed 1 and the crossbeam 3 that arranges of base 2, and the length of crossbeam 3 controls scanning bed 1 degree that can be lowered and lift in the present invention.
In this utility model, during scanning bed 1 is lowered, supporting role is mainly completed by the first runner assembly and the second turning discreteness, and balanced action is mainly completed by upper support arm 9 and lower support arm 10.In this utility model, front rotary shaft 4 and rear rotating shaft 5 it is respectively provided with at the both ends of crossbeam 3, on scanning bed 1 and base 2, it is respectively articulated with setting with two ends that front rotary shaft 4 arranges the first parallel runner assembly and the second turning discreteness, the first runner assembly and the second turning discreteness with rear rotating shaft 5 for pin joint；Guide rail 6 it is provided with on crossbeam 3, slide block 7 it is equipped with on guide rail 6, slide block rotating shaft 8 it is provided with on slide block 7, with slide block rotating shaft 8 for a wherein pin joint, upper support arm 9 is set with the upper end coordination hinge of the first runner assembly, lower support arm 10 is set with the bottom coordination hinge of the first runner assembly, i.e. constitute moveable support with the first runner assembly, coordinate drive mechanism for the driving effect of vertical lifting mechanism, scanning bed 1 can be put down on the premise of not changing scanning bed 1 position in the horizontal direction, change its vertical height, when slide block 7 increases with the relative distance of front rotary shaft 4, scanning bed 1 puts down, when slide block 7 reduces with the relative distance of front rotary shaft 4, scanning bed 1 lifts, and the invariant position that scanning bed 1 in the horizontal direction.
Of the present utility model scanning bed 1 when liter is down to diverse location, position in the horizontal direction keeps constant, center of gravity is on same vertical line all the time, deflection concordance is good, the good rigidly of vertical lift device, and rising or falling speed is fast, change simple in construction, work efficiency height and good reliability, the image quality of later image is high, low cost.
Described first runner assembly includes the first lower rotary shaft 12 be located at rotating shaft 11 on first on scanning bed 1, be located on base 2, hinged the first top link 13 being located on described front rotary shaft 4 and first between rotating shaft 11 and hinged the first lower swing arm 14 being located between described front rotary shaft 4 and the first lower rotary shaft 12；Described the second turning discreteness includes the second lower rotary shaft 16 be located at rotating shaft 15 on second on scanning bed 1, be located on base 2, hinged the second top link 17 being located in described rear rotating shaft 5 and second between rotating shaft 15 and hinged the second lower swing arm 18 being located between described rear rotating shaft 5 and the second lower rotary shaft 12.
nullIn this utility model，Due to lower or raise scanning bed 1 process，First runner assembly and the second turning discreteness inherently produce the change of the arm of force，Therefore the first runner assembly is set to the first top link 13 and structure of the first lower swing arm 14，Corresponding with upper support arm 9 and lower support arm 10，Wherein the first top link 13 is articulated with on first on scanning bed 1 between rotating shaft 11 and front rotary shaft 4，Between the first lower rotary shaft 12 that the first lower swing arm 14 is articulated with on base 2 and front rotary shaft 4，Simultaneously in order to the first runner assembly keeping parallelism and servo-actuated，The second turning discreteness is also set to include the second top link 17 and structure of the second lower swing arm 18，Wherein the second top link 17 is articulated with on second on scanning bed 1 between rotating shaft 15 and rear rotating shaft 5，Between the second lower rotary shaft 16 that the second lower swing arm 18 is articulated with on base 2 and rear rotating shaft 5.
In this utility model, during putting down scanning bed 1, first top link 13 and upper support arm 9 drive rotating shaft 11 on first close relative to crossbeam 3, second top link 17 drives rotating shaft 15 on second close relative to crossbeam 3 simultaneously, first lower swing arm 14 and lower support arm 10 drive the first lower rotary shaft 12 close relative to crossbeam 3, second lower swing arm 18 drives the second lower rotary shaft 16 close relative to crossbeam 3 simultaneously, and when slide block 7 covers crossbeam 3 stroke, scanning bed 1 position is minimum；During lifting scanning bed 1, first top link 13 and upper support arm 9 drive on first rotating shaft 11 relative to crossbeam 3 away from, simultaneously the second top link 17 drive on second rotating shaft 15 relative to crossbeam 3 away from, first lower swing arm 14 and lower support arm 10 drive the first lower rotary shaft 12 relative to crossbeam 3 away from, simultaneously the second lower swing arm 18 drive the second lower rotary shaft 16 relative to crossbeam 3 away from, when slide block 7 returns to original position, scanning bed 1 position is the highest.
In this utility model, it is generally located on the both sides of scanning bed 1 with upper-part, can also be arranged on below the middle part of scanning bed 1, when arranging, need to keep static state and the dynamic equilibrium of scanning bed 1.
In this utility model, loweing or during lifting scanning bed 1, scanning bed 1 only produces vertical displacement, not occurred level displacement.
In this utility model, the upper end thereof of upper support arm 9 is in the upper end of the first runner assembly, in actual application process, the upper end of upper support arm 9 can be hinged on the upper end of the first top link 13, can also directly be hinged on first at rotating shaft 11, ensure integrally-built simple easily group, in like manner, the lower end of lower support arm 10 is articulated with the bottom of the first runner assembly, in actual application process, the bottom of lower support arm 10 can be hinged on the bottom of the first lower swing arm 14, can also directly be hinged at the first lower rotary shaft 12.
On described first, in rotating shaft 11 and second, distance between the axle center of rotating shaft 15 is equal with the distance between the axle center of front rotary shaft 4 and rear rotating shaft 5, and the distance between the axle center of described first lower rotary shaft 12 and the second lower rotary shaft 16 is equal with the distance between the axle center of front rotary shaft 4 and rear rotating shaft 5.
nullIn this utility model，Opposing parallel due to ensure between the first runner assembly and the second turning discreteness，And first first top link 13 of runner assembly adjust position by rotating shaft 11 on first and front rotary shaft 4，Second top link 17 of the second turning discreteness passes through rotating shaft 15 and rear rotating shaft 5 on second and adjusts position，Therefore in rotating shaft 11 and second, distance between the axle center of rotating shaft 15 is equal with the distance between the axle center of front rotary shaft 4 and rear rotating shaft 5 on first，And the first lower swing arm 14 of the first runner assembly adjusts position by the first lower rotary shaft 12 and front rotary shaft 4，Second lower swing arm 18 of the second turning discreteness adjusts position by the second lower rotary shaft 16 and rear rotating shaft 5，Therefore distance between the axle center of the first lower rotary shaft 12 and the second lower rotary shaft 16 is equal with the distance between the axle center of front rotary shaft 4 and rear rotating shaft 5，Now keep opposing parallel between the first runner assembly and the second turning discreteness.
In this utility model, the setting of drive mechanism includes at least 3 kinds of embodiments.
Embodiment 1:
Described drive mechanism includes the hinged hinge support in one end 19 and drives push rod 20, and the other end of described hinge support 19 is hinged to be located on crossbeam 3, and the other end of described driving push rod 20 is hinged to be located on base 2.
Described drive mechanism includes the hinged hinge support in one end 19 and drives push rod 20, the hinged leading section being located at crossbeam 3 of the other end of described hinge support 19 or rearward end, the corresponding hinged leading section being located at described base 2 of the other end of described driving push rod 20 or rearward end.
In the present embodiment, drive mechanism includes hinge support 19 and drives push rod 20, hinge support 19 and driving push rod 20 are the most hinged, the hinged optional position being located on crossbeam 3 of the other end of hinge support 19, drive the corresponding hinged optional position being located at base 2 of the other end of push rod 20.During drive mechanism work, hinge support 19 is as cursor, moving in a circle with the pin joint of crossbeam 3 with it, the hinged end of hinge support 19 and driving push rod 20 drives and drives the body of rod in push rod 20 flexible in bar overlaps, and completes the regulation of the vertical height to scanning bed 1.
In the present embodiment, the body of rod is hinged with hinge support 19 and bar set is connected with base 2 to drive push rod 20 could be arranged to, while can also be set to bar and overlap and the body of rod hinged with hinge support 19 and be connected with base 2.
nullIn the present embodiment，The optional position on crossbeam 3 hinged can be located in wherein one end of hinge support 19，The wherein one end driving push rod 20 can the corresponding hinged optional position being located at base 2，In actual operation，Drive the position of push rod 20 mainly according to the corresponding setting in current location of hinge support 19，It is illustrated in figure 1 modal one and position is set，The hinged leading section being located at crossbeam 3 of the other end of hinge support 19 or rearward end，Drive the corresponding hinged leading section being located at base 2 of the other end or the rearward end of push rod 20，Generally，When wherein one end of hinge support 19 needs certain other position being arranged on crossbeam 3，Only the end of push rod 20 need to will be driven with identical distance horizontal translation，In brief，It is i.e. to show a kind of special case with Fig. 1，Hinge support 19 translates how many relative to crossbeam 3，The lower end driving push rod 20 translates how many with respect to base 2，Special case as shown in Figure 1 is convenient for the ease of electricity piece layout and cabling，Those skilled in the art can need, according to actual work requirements and balance, the relative position that arranges hinge support 19 with driving push rod 20.
In the present embodiment, push rod 20 is driven to be the need for locking function, when using electric pushrod, typically band-type brake is had to lock in inner side, then locking is realized with hydraulic valve and oil circuit when using hydraulic push rod, can select according to actual work requirements with those skilled in the art about the selection driving push rod 20, the most also have the various finished product meeting technology requirement to purchase part, it is ensured that to drive push rod 20 that unnecessary slip will not occur after locking.
In the present embodiment, as shown in Figure 1, the upper end of upper support arm 9 is articulated with rotating shaft 11 on first, the bottom of lower support arm 10 is articulated with the first lower rotary shaft 12, in actual applications, the upper end of upper support arm 9 can also be articulated with the upper end of the first top link 13, and the bottom of lower support arm 10 can also be articulated with the bottom of the first lower swing arm 14, as shown in Figure 4.
Embodiment 2:
Described drive mechanism includes driving push rod 20, one end of described driving push rod 20 is hinged to be located on described base 2, and the other end of described driving push rod 20 is hinged to be located on first in rotating shaft 11 or the second on rotating shaft 15 or the first lower rotary shaft 12 or the second lower rotary shaft 16 or upper support arm 9 or lower support arm 10.
In the present embodiment, drive mechanism only includes driving push rod 20, one end of driving push rod 20 is hinged to be located on base 2, the other end is hinged to be located on first in rotating shaft 11 or the second on rotating shaft 15 or the first lower rotary shaft 12 or the second lower rotary shaft 16 or upper support arm 9 or lower support arm 10 and all can normally work, during drive mechanism work, the body of rod driving push rod 20 is directly flexible in bar overlaps, and is adjusted in real time by the pin joint at the both ends driving push rod 20, completes the regulation of the vertical height to scanning bed 1.
In the present embodiment, it practice, drive the other end of push rod 20 can also hinged be located on the first top link 13 or the first lower swing arm 14 or the second top link 17 or the second lower swing arm 18.
In the present embodiment, when drive push rod 20 the other end hinged be located at rotating shaft 11 on first time, position, thrust, stroke and layout, include from cost angle consider be optimum embodiment.
In the present embodiment, drive push rod 20 to could be arranged to body of rod structure upper, bar are enclosed within, while can also be set to the body of rod under, bar be enclosed within structure.
In the present embodiment, push rod 20 is driven to be the need for locking function, when using electric pushrod, typically band-type brake is had to lock in inner side, then locking is realized with hydraulic valve and oil circuit when using hydraulic push rod, can select according to actual work requirements with those skilled in the art about the selection driving push rod 20, the most also have the various finished product meeting technology requirement to purchase part, it is ensured that to drive push rod 20 that unnecessary slip will not occur after locking.
In the present embodiment, as shown in Figure 2, the upper end of upper support arm 9 is articulated with the upper end of the first top link 13, the bottom of lower support arm 10 is articulated with the bottom of the first lower swing arm 14, in actual applications, the upper end of upper support arm 9 can also be articulated with on first at rotating shaft 11, and the bottom of lower support arm 10 can also be articulated with at the first lower rotary shaft 12.
Embodiment 3:
Described drive mechanism includes motor 21 and the screw mandrel 22 being equipped with, and described leading screw 22 is located at inside described crossbeam 3, and one end of described leading screw 22 is connected with front rotary shaft 4, and the cooperation of described screw mandrel 22 is provided with screw 23, and described screw 23 is connected with described slide block 7 by nut seat.
Described motor 21 is horizontal servomotor.
In the present embodiment, drive mechanism includes motor 21 and the screw mandrel 22 being equipped with, and leading screw 22 is located at inside crossbeam 3, and leading screw 22 at least needs in front end to be connected with front rotary shaft 4, conduct route as slide block 7, being equipped with screw 23 on screw mandrel 22, screw 23 is connected with slide block 7, as the carrier of slide block 7 by nut seat, the cooperation of screw mandrel 22 and guide rail 6 ensure that motor 21 is after output, leading screw 22 rotates, and screw 23 moves ahead or retreats, and then makes the steady horizontal stroke of slide block 7 forward or backward.
In the present embodiment, in order to be further ensured that mechanism's working stability, particularly leading screw 22 needs to remain the invariant position relative to crossbeam 3, therefore generally, leading screw 22 is also configured as being connected location with rear rotating shaft 5 at rear rotating shaft 5, it is ensured that working effect.
In the present embodiment, drive mechanism is set to leading screw 22-screw 23 structure, horizontal servomotor 21 is used to advance, further ensure the high accuracy of motion, reversibility and high efficiency feature, also assures that the propelling of slide block 7 can be more regular, more smoothly simultaneously, reduce mechanical friction when directly transmitting and the mechanical wear that causes and bigger shake.
In the present embodiment, as shown in Figure 3, the upper end of upper support arm 9 is articulated with rotating shaft 11 on first, the bottom of lower support arm 10 is articulated with the first lower rotary shaft 12, in actual applications, the upper end of upper support arm 9 can also be articulated with the upper end of the first top link 13, and the bottom of lower support arm 10 can also be articulated with the bottom of the first lower swing arm 14.
nullThis utility model solves in prior art，The main lowering or hoisting gear using parallelogram sturcutre and shears fork structure (including double shear knife and fork structure) completes the lift work of scanning bed 1，And cannot taking into account of causing rise be down to during diverse location keep scanning bed 1 horizontal level is constant and the conforming demand of deflection，Existence and stability is poor in varying degrees、Poor rigidity、Rising or falling speed is low、Motor working efficiency is low、Picture quality is unstable、Assembling trouble、Manufacturability is poor、The problem that structure is complex and high cost，By being sequentially arranged vertical lift device and base 2 at scanning bed 1 time，Vertical lift device is arranged parallel to the crossbeam 3 of scanning bed 1 and base 2，And between scanning bed 1 with base 2 be respectively articulated with rear rotating shaft 5 at the both ends of crossbeam 3 by front rotary shaft 4 the first parallel runner assembly and the second turning discreteness are set，Guide rail 6 is set on crossbeam 3 simultaneously，Upper support arm 9 and lower support arm 10 it is equipped with respectively with the upper and lower end of the first runner assembly by the slide block rotating shaft 8 on the slide block 7 that coordinates with guide rail 6，I.e. constitute moveable support with the first runner assembly，Coordinate drive mechanism for the driving effect of vertical lifting mechanism，Scanning bed 1 can be put down on the premise of not changing scanning bed 1 position in the horizontal direction，Change its vertical height.Of the present utility model scanning bed 1 when liter is down to diverse location, position in the horizontal direction keeps constant, center of gravity is on same vertical line all the time, deflection concordance is good, the good rigidly of vertical lift device, and rising or falling speed is fast, change simple in construction, work efficiency height and good reliability, the image quality of later image is high, low cost.
Claims (8)
1. one kind can vertical lift scanning bed, described scanning bed under be sequentially provided with vertical lift device and base, it is characterized in that: described vertical lift device includes being parallel to scanning bed and base crossbeam, the both ends of described crossbeam are respectively equipped with front rotary shaft and rear rotating shaft, described scanning bed with between base respectively with front rotary shaft with rear rotating shaft for parallel the first runner assembly and the second turning discreteness of being provided with of pin joint, the described upper and lower end of the first runner assembly and the upper and lower end of the second turning discreteness are respectively articulated with to be located on scanning bed and base；It is additionally provided with guide rail on described crossbeam, coordinate on described guide rail and be provided with slide block, described slide block is provided with slide block rotating shaft, the hinged support arm that is provided with between the upper end of described slide block rotating shaft and the first runner assembly, hinged between the bottom of described slide block rotating shaft and the first runner assembly is provided with lower support arm；Described vertical lifting mechanism also includes drive mechanism.
The most according to claim 1 a kind of can vertical lift scanning bed, it is characterised in that: described first runner assembly includes rotating shaft on be located on scanning bed first, the first lower rotary shaft of being located on base, hinged the first top link being located on described front rotary shaft and first between rotating shaft and hinged the first lower swing arm being located between described front rotary shaft and the first lower rotary shaft；Described the second turning discreteness includes rotating shaft on be located on scanning bed second, be located on base the second lower rotary shaft, hinged the second top link being located in described rear rotating shaft and second between rotating shaft and hinged the second lower swing arm being located between described rear rotating shaft and the second lower rotary shaft.
The most according to claim 2 a kind of can vertical lift scanning bed, it is characterized in that: on described first, in rotating shaft and second, distance between the axle center of rotating shaft is equal with the distance between the axle center of front rotary shaft and rear rotating shaft, and the distance between the axle center of described first lower rotary shaft and the second lower rotary shaft is equal with the distance between the axle center of front rotary shaft and rear rotating shaft.
The most according to claim 2 a kind of can vertical lift scanning bed, it is characterized in that: described drive mechanism includes the hinged hinge support in one end and drives push rod, the other end of described hinge support is hinged to be located on crossbeam, and the other end of described driving push rod is hinged to be located on base.
The most according to claim 4 a kind of can vertical lift scanning bed, it is characterized in that: described drive mechanism includes the hinged hinge support in one end and drives push rod, the hinged leading section being located at crossbeam of the other end of described hinge support or rearward end, the corresponding hinged leading section being located at described base of the other end of described driving push rod or rearward end.
The most according to claim 2 a kind of can vertical lift scanning bed, it is characterized in that: described drive mechanism includes driving push rod, one end of described driving push rod is hinged to be located on described base, and the other end of described driving push rod is hinged to be located on first in rotating shaft or second on rotating shaft or the first lower rotary shaft or the second lower rotary shaft or upper support arm or lower support arm.
The most according to claim 2 a kind of can vertical lift scanning bed, it is characterized in that: described drive mechanism includes motor and the leading screw being equipped with, described cross rail inner is located at by described leading screw, one end of described leading screw is connected with front rotary shaft, the cooperation of described leading screw is provided with screw, and described screw is connected with described slide block by nut seat.
The most according to claim 7 a kind of can vertical lift scanning bed, it is characterised in that: described motor is horizontal servomotor.
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| CN201620209942.5U CN205569257U (en) | 2016-03-18 | 2016-03-18 | But vertical lift's scanning bed |
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| CN201620209942.5U CN205569257U (en) | 2016-03-18 | 2016-03-18 | But vertical lift's scanning bed |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662768A (en) * | 2016-03-18 | 2016-06-15 | 明峰医疗系统股份有限公司 | Scanning table capable of vertically lifting |
| CN107095511A (en) * | 2017-04-20 | 2017-08-29 | 厚福医疗装备有限公司 | Crank in the same direction is without the whole bed lifting structure of lateral displacement |
| CN108309773A (en) * | 2018-02-11 | 2018-07-24 | 安徽鑫诺医疗设备有限公司 | A kind of automation mixibustion bed |
| CN113695803A (en) * | 2021-09-24 | 2021-11-26 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
-
2016
- 2016-03-18 CN CN201620209942.5U patent/CN205569257U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662768A (en) * | 2016-03-18 | 2016-06-15 | 明峰医疗系统股份有限公司 | Scanning table capable of vertically lifting |
| CN105662768B (en) * | 2016-03-18 | 2018-07-20 | 明峰医疗系统股份有限公司 | It is a kind of be vertically moved up or down it is scanning bed |
| CN107095511A (en) * | 2017-04-20 | 2017-08-29 | 厚福医疗装备有限公司 | Crank in the same direction is without the whole bed lifting structure of lateral displacement |
| CN108309773A (en) * | 2018-02-11 | 2018-07-24 | 安徽鑫诺医疗设备有限公司 | A kind of automation mixibustion bed |
| CN113695803A (en) * | 2021-09-24 | 2021-11-26 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
| CN113695803B (en) * | 2021-09-24 | 2022-08-19 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
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