CN109907771A - X-ray photograph system and its lift drive mechanism - Google Patents
X-ray photograph system and its lift drive mechanism Download PDFInfo
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- CN109907771A CN109907771A CN201910228414.2A CN201910228414A CN109907771A CN 109907771 A CN109907771 A CN 109907771A CN 201910228414 A CN201910228414 A CN 201910228414A CN 109907771 A CN109907771 A CN 109907771A
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Abstract
The invention discloses a kind of X-ray photograph system and its lift drive mechanism, which includes column and the driving part for being installed on the column；The driving part is for driving sliding seat vertically movable along the column；The sliding seat be used for install the X-ray photograph system bulb tube component or vertical image-forming assembly；The driving part is equipped with the connection structure and the first mounting base of connection driving source；First mounting base is used to install the first brake mould group corresponding to bulb tube component or the second brake mould group corresponding to vertical image-forming assembly.The lift drive mechanism can realize flexible assembling by modularized design, can satisfy various configuration needs of X-ray photograph system, while can reduce production cost and maintenance cost.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of X-ray photograph system and its lift drive mechanism.
Background technique
The X-ray that X-ray photograph system is emitted by X-ray generator (also referred to as bulb tube component) passes through human body and is irradiated to
In x-ray reception device (usually flat panel detector), image is formed by photoelectric conversion, the diagnosis for doctor.
X-ray photograph system generally includes bulb pillar parts, vertical photographic stand component and radiography bed etc.；Wherein, bulb is vertical
Bulb tube component is installed on the sliding seat of column component, vertical image-forming assembly is installed on the sliding seat of vertical photographic stand component, is taken the photograph
Support is provided when shadow bed is photographed for clinostatism for patient.
Manually adjust needs or motorized adjustment demand to meet, it will usually which hand-operated lifting driving mechanism or electric up-down are set
Driving mechanism, that is to say, that for the demand of X-ray photograph system, lift drive mechanism includes that bulb column hand-operated lifting drives
Motivation structure, bulb column electric up-down driving mechanism, vertical photographic stand hand-operated lifting driving mechanism and the electronic liter of vertical photographic stand
Driving mechanism drops.In existing structure, above-mentioned four kinds of lift drive mechanisms are inherent structure, there is respectively exclusive drive mechanism,
It can not mutually be converted between each lift drive mechanism, the flexible configuration demand of product, such as the upgrading of existing procucts can not be adapted to,
Or switching between product difference lift drive mechanism and assembling etc.；The manufacturing cost of product is also increased simultaneously.
Therefore, how a kind of lift drive mechanism is provided, can satisfy various configuration needs of X-ray photograph system, is this
The current technical issues that need to address of field technical staff.
Summary of the invention
The object of the present invention is to provide a kind of X-ray photograph system and its lift drive mechanism, which passes through
Modularized design can realize flexible assembling, can satisfy various configuration needs of X-ray photograph system, while can reduce and be produced into
Sheet and maintenance cost.
In order to solve the above technical problems, the present invention provides a kind of lift drive mechanism of X-ray photograph system, including column and
It is installed on the driving part of the column；
The driving part is for driving sliding seat vertically movable along the column；
The sliding seat be used for install the X-ray photograph system bulb tube component or vertical image-forming assembly；
The driving part is equipped with the connection structure and the first mounting base of connection driving source；First mounting base is for pacifying
Dress corresponds to the first brake mould group of bulb tube component or the second brake mould group corresponding to vertical image-forming assembly.
Lift drive mechanism provided by the invention is used for X-ray photograph system, and the driving part of the lift drive mechanism is used for
Drive sliding seat vertically movable along column, the sliding seat is for installing bulb tube component or vertical image-forming assembly, driving part
Connection structure and the first mounting base equipped with connection driving source, the first mounting base correspond to bulb tube component or vertical for installing
The brake mould group of image-forming assembly, connection structure can connect different driving sources according to application demand；The lift drive mechanism module
Change design, according to the mountable bulb tube component of application demand and its counter structure, realizes that the lifting to bulb tube component drives, can also pacify
Vertical image-forming assembly and its counter structure are filled to realize the lifting driving of vertical image-forming assembly；The lift drive mechanism passes through mould
Blockization, which designs, can be achieved flexible assembling, can satisfy various configuration needs of X-ray photograph system, while can reduce production cost
And maintenance cost.
Lift drive mechanism as described above, the driving part are additionally provided with the mounting structure of installation site feedback module,
The position feedback mould group is used to monitor the position where the sliding seat.
Lift drive mechanism as described above, the driving part include drive wheel assemblies and driven wheel assembly, the master
One end of the main transmission belt of drive wheel assemblies is fixedly connected with the sliding seat, and the other end is fixedly connected with clump weight；The driven wheel
One end of the accessory drive band of component is fixedly connected with the sliding seat, and the other end is fixedly connected with the clump weight；
The connection structure and first mounting base for connecting the driving source are specifically set to the drive wheel assemblies；Peace
The mounting structure for filling the position feedback mould group is specifically set to the driven wheel assembly.
Lift drive mechanism as described above, first mounting base and support the drive wheel assemblies driving wheel the
One bracket is fixedly connected, the first brake mould group include electrification electromagnetic brake, it is described electrification electromagnetic brake turntable with
The driving shaft of the drive wheel assemblies is removably secured connection；
The second brake mould group includes power loss electromagnetic brake, the turntable of the power loss electromagnetic brake and the active
Axis is removably secured connection.
Lift drive mechanism as described above, the position feedback mould group includes rotating potentiometer, the rotating potentiometer
Shaft be fixedly connected with the driven shaft of the driven wheel assembly.
Lift drive mechanism as described above, the position feedback mould group further includes mounting plate and gag lever post；The rotation
Potentiometer is installed on the mounting plate, and the gag lever post is fixed on one of two described second supports；The mounting plate tool
There are the card slot or card hole with gag lever post cooperation.
Lift drive mechanism as described above, the driving source are driving motor, and the connection structure includes motor installation
Plate, the driving motor are installed on the motor mounting plate, the motor mounting plate and the active for supporting the drive wheel assemblies
The first support of wheel is fixedly connected, and the active axis connection of the output shaft of the driving motor and the drive wheel assemblies is to drive
State driving shaft rotation.
Lift drive mechanism as described above, the connection structure further include being set to the motor mounting plate and described the
The second mounting base between one bracket, the motor mounting plate connect by the way that second mounting base and the first support are fixed
It connects.
Lift drive mechanism as described above, the tensile force of the main transmission belt are less than the tensioning of the accessory drive band
Power.
Lift drive mechanism as described above further includes controller, and the controller is for receiving the position feedback mould
The feedback signal of group and the revolution signal of the driving motor, and judge to issue alarm signal when the proportionate relationship of the two is incorrect
Number.
The present invention also provides a kind of X-ray photograph systems, including bulb tube component and vertical image-forming assembly, further include any of the above-described
Lift drive mechanism described in, to drive the bulb tube component or the vertical image-forming assembly vertically movable.
Since above-mentioned lift drive mechanism has above-mentioned technique effect, so including the X-ray photographic of the lift drive mechanism
System also has corresponding technical effect, is not repeated to discuss herein.
Detailed description of the invention
Fig. 1 is that a kind of axis of specific embodiment of the lift drive mechanism of X-ray photograph system provided by the present invention measures meaning
Figure；
Fig. 2 is the side view of the broken section of lift drive mechanism shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the basic mould group of the driving part of lift drive mechanism in specific embodiment；
Fig. 4 is the driving shaft isometric cutaway view of basic mould group shown in Fig. 3；
Fig. 5 is the driven shaft isometric cutaway view of basic mould group shown in Fig. 3；
Fig. 6 is the structural schematic diagram of the manual driving member of lift drive mechanism in specific embodiment；
Fig. 7 is the isometric cutaway view of manual driving member shown in Fig. 6；
Fig. 8 is that the structure of the manual driving member with position feedback function of lift drive mechanism in specific embodiment is shown
It is intended to；
Fig. 9 is the isometric cutaway view of the manual driving member shown in Fig. 8 with position feedback function；
Figure 10 is the structural schematic diagram of the electric drive component of lift drive mechanism in specific embodiment；
Figure 11 is the isometric cutaway view of electric drive component shown in Figure 10.
Description of symbols:
Column 100, guide rail 110, sliding seat 200；
Driving part 300, pedestal 310, through-hole 311, driving wheel 321, driving shaft 322, main transmission belt 323, first support
324, driven wheel 331, driven shaft 332, accessory drive band 333, second support 334, the first mounting base 340, driving motor 350,
Motor mounting plate 360, the second mounting base 370；
Charge electromagnetic brake 400a, power loss electromagnetic brake 400b；
Rotating potentiometer 510, mounting plate 520, card slot 521, gag lever post 530；
Clump weight 600.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
It is succinct with description for ease of understanding, illustrate together below in conjunction with X-ray photograph system and its lift drive mechanism, it is beneficial
Effect portion is not repeated to discuss.
X-ray photograph system generally includes bulb pillar parts, vertical photographic stand component and radiography bed etc.；Wherein, bulb is vertical
Bulb tube component is installed on the sliding seat on column component, vertical imaging board group is installed on the sliding seat on vertical photographic stand component
Part provides support when radiography bed is photographed for clinostatism for patient.
In actual use, need to adjust the height of bulb tube component and vertical imaging plate component, it is ensured that bulb focus at
As the height at plate center is consistent.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of specific reality of the lift drive mechanism of X-ray photograph system provided by the present invention
The axonometric schematic diagram of example is applied, Fig. 2 is the side view of the broken section of lift drive mechanism shown in Fig. 1.
In the embodiment, lift drive mechanism includes column 100 and the driving part 300 for being installed on column 100；Driving portion
Part 300 is for driving sliding seat 200 vertically movable along column 100.
Wherein, sliding seat 200 is for installing bulb tube component or vertical image-forming assembly, it will be understood that has on sliding seat 200
There are the mounting structure of installation bulb tube component and the mounting structure of the vertical image-forming assembly of installation.
Driving part 300 includes connection structure and the first mounting base equipped with connection driving source, and the first mounting base is for pacifying
Dress corresponds to the first brake mould group of bulb tube component or the second brake mould group corresponding to vertical image-forming assembly.
It is appreciated that first mounting base should be installed corresponding to bulb group when being equipped with bulb tube component on sliding seat 200
The first brake mould group of part, in this way, lift drive mechanism is the driving mechanism for driving bulb tube component lifting；When sliding seat 200
On when vertical image-forming assembly is installed, the first mounting base should be installed brakes mould group corresponding to the second of vertical image-forming assembly, this
Sample, lift drive mechanism are the driving mechanism for driving vertical image-forming assembly lifting.
As above, the lift drive mechanism is by modularized design, according to the mountable bulb tube component of application demand and its correspondence
Structure realizes that the lifting to bulb tube component drives, and also mountable vertical image-forming assembly and its counter structure, realize vertical imaging
The lifting of component drives；That is, the lift drive mechanism can go up and down in bulb tube component and drive by the dismounting of correlation module
Switch between motivation structure and vertical image-forming assembly lift drive mechanism, flexible assembling can be realized by modularized design, meet x-ray
Various configuration needs of camera chain are also convenient for the assembling coordination of production, buying, can reduce production cost and maintenance cost.
In further embodiment, driving part 300 is additionally provided with the mounting structure of installation site feedback module, the position feedback
Mould group is used to monitor the position where sliding seat 200.It is appreciated that sliding seat 200 is in driving part 300 when practical application
Effect drives the bulb tube component installed thereon or vertical image-forming assembly vertically movable along column 100 down, passes through position feedback mould
Group can know height of the sliding seat 200 currently away from installation ground, be installed on standing on sliding seat 200 to adjust as needed
The height of formula image-forming assembly or bulb tube component.
Each module of lift drive mechanism is described in detail below.
Please also refer to Fig. 3 to Fig. 5, Fig. 3 is the basic mould group of the driving part of lift drive mechanism in specific embodiment
Structural schematic diagram；Fig. 4 is the driving shaft isometric cutaway view of basic mould group shown in Fig. 3；Fig. 5 be basic mould group shown in Fig. 3 from
Moving axis isometric cutaway view.
In the embodiment, driving part 300 includes pedestal 310, drive wheel assemblies and driven wheel assembly；Drive wheel assemblies and
Driven wheel assembly is mounted on pedestal 310, and pedestal 310 is installed on the top of column 100.
Wherein, one end of the main transmission belt 323 of drive wheel assemblies is fixedly connected with sliding seat 200, and the other end, which is fixedly connected, matches
One end of pouring weight 600, the accessory drive band 333 of driven wheel assembly is fixedly connected with sliding seat 200, and the other end is fixedly connected with clump weight
600。
Specifically, drive wheel assemblies include driving wheel 321, driving shaft 322 and first support group；Main transmission belt 323 is wound
In driving wheel 321, driving wheel 321 is placed on driving shaft 322 admittedly；First support group is removably attachable to pedestal 310, the specific side
In case, first support group includes the first support 324 of two parallel intervals setting, and the rotation of driving shaft 322 is plugged in two first
Bracket 324, driving wheel 321 are located between two first supports 324.
Specifically, driven wheel assembly includes driven wheel 331, driven shaft 332 and second support group；Accessory drive band 333 twines
It is around in driven wheel 331, driven wheel 331 is placed on driving shaft 322 admittedly, and second support group is also removably attachable to pedestal 310, the tool
In body scheme, second support group, including the second support 334 that two parallel intervals are arranged, the rotation of driven shaft 332 is plugged in two
Second support 334, driven wheel 331 are located between two second supports 334.
Wherein, driving shaft 322 and driven shaft 332 are arranged in parallel, to facilitate the arrangement and connection of associated components.
First support 324 and second support 334 are connect by removably mode with pedestal 310, and associated components are facilitated
Maintenance etc.；It can be specifically detachably connected by way of the fasteners such as bolt with pedestal 310.
Specifically, for convenience of the rotation of driving shaft 322 and driven shaft 332, between driving shaft 322 and first support 324, and
The structures such as settable bearing between driven shaft 332 and second support 334.
As above, when the bulb tube component or vertical image-forming assembly for being mounted on sliding seat 200 by outer power drive are along column 100
When lower mobile, transmission is formed by driving shaft 322, driving wheel 321 and main transmission belt 323, and in the equilibrant force of clump weight 600
Under effect, the driving shaft 322 of drive wheel assemblies can be driven to rotate；Because sliding seat 200, clump weight 600 and accessory drive band 333 connect
The transmission for connecing, while being formed by accessory drive band 333, driven wheel 331 and driven shaft 332 drives driven shaft 332 to rotate.
The connection structure of aforementioned connection driving source and the first mounting base for installing brake mould group are specifically set to driving wheel
Component, to facilitate the rotation and stalling of control driving shaft 322；On this basis, aforementioned location feedback module is mountable to driven
Wheel assembly, with the arrangement of balance drive component 300.
To make more compact structure and facilitating connection, in the embodiment, column 100 is specially hollow cylinder structure, that is,
It says, column 100 has cavity；Pedestal 310 has the through-hole 311 being connected to the cavity of column 100, and clump weight 600 is specifically arranged
In the cavity of column 100；One end that main transmission belt 323 and accessory drive band 333 are connect with clump weight 600 both passes through the through-hole
311 are fixedly connected with clump weight 600；It specifically refers to Fig. 1 and Fig. 2 to understand, is to clearly show that dependency structure in Fig. 1 and Fig. 2, it is auxiliary
The part of transmission belt 333 is helped to omit display.
Obviously, sliding seat 200 is located at the outside of column 100, in order to install bulb tube component and vertical image-forming assembly.
In specific scheme, it is additionally provided with guide rail 110 on column 100, is equipped on sliding seat 200 and cooperates with the guide rail 110
Idler wheel, during vertically movable, the cooperation of idler wheel and guide rail 110 can move it to be oriented to sliding seat 200, and
Make to move smooth.
The specific introduction of the foundation structure of the above lift drive mechanism comes different lifting objects and drive mode
It says, corresponding construction can be installed on this basis；That is, including above giving an account of for different lift drive mechanisms
The basic mould group of driving part 300 shown in column 100, sliding seat 200, clump weight 600 and Fig. 3-Fig. 5 to continue.
It should be noted that for different lift drive mechanisms, the basic mould group and column of driving part 300
100, the mutual cooperation relationship of sliding seat 200 and clump weight 600 is constant, still can refer to above-mentioned understanding, and the main distinction is to drive
The other structures of component 300 are illustrated below for the detailed construction of the driving part 300 of different lift drive mechanisms.
It is the structure of the manual driving member of lift drive mechanism in specific embodiment please also refer to Fig. 6 and Fig. 7, Fig. 6
Schematic diagram；Fig. 7 is the isometric cutaway view of manual driving member shown in Fig. 6.
For the lift drive mechanism of manual actuation, driving part 300 is specific as shown in Figure 6 and Figure 7.
One end installation brake mould group of driving shaft 322, it is detachably solid in a first support 324 in specific scheme
It is connected to the first mounting base 340, brake mould group is installed in the first mounting base 340, and is matched with driving shaft 322, is realized to master
The locking of moving axis 322 and unlock.The setting of first mounting base 340 facilitates the installation of different brake mould groups, will not be because of mould group of braking
Structure it is different and need that different mounting structures is arranged in first support 324.Certainly, when actual setting, can also directly by
Brake mould group is installed in first support 324.
Specifically, when the lift drive mechanism of manual actuation is used to carry out bulb tube component lifting driving, sliding seat 200
Upper installation is bulb tube component, at this point, the brake mould group for being installed on the first mounting base 340 is to stop corresponding to the first of bulb tube component
Vehicle mould group.
In the embodiment, first brake mould group is specially to charge electromagnetic brake 400a, when installation, charges electromagnetic brake
The turntable of 400a is fixedly connected with driving shaft 322, charges pedestal and the fixed company of the first mounting base 340 of electromagnetic brake 400a
It connects, that is to say, that the turntable of electrification electromagnetic brake 400a can be rotated with driving shaft 322.
In use, turntable and pedestal are attracted after charging electromagnetic brake 400a energization, since pedestal passes through the first peace
It fills seat 340 and first support 324 is affixed, so at this point, turntable is fixed, to limit the rotation of driving shaft 322, and then can
The position for the sliding seat 200 for being equipped with bulb tube component is kept to be fixed motionless；After charging electromagnetic brake 400a power-off, turn
Disk and pedestal disengage, at this point, turntable is not fixed, it is free to rotate with driving shaft 322.
In the present embodiment, using electrification electromagnetic brake 400a,
It still is able to realize the elevating movement of sliding seat 200.It is appreciated that other with same effect also can be selected when actual setting
Brake, or other brakes are selected according to different demands.
When this is used for the hand-operated lifting driving mechanism work of bulb tube component, electrification electromagnetic brake 400a power-off, turntable
It is disengaged with pedestal, driving shaft 322 is in the state of can be rotated, and hand-operated lifting bulb tube component can drive the cunning for being equipped with bulb tube component
Dynamic seat 200 is along 100 vertical lifting of column, in the transmission that driving shaft 322, driving wheel 321 and main transmission belt 323 are constituted, and
Under the action of 600 equilibrant force of clump weight, driving shaft 322 can be driven to rotate, meanwhile, pass through driven shaft 332, driven wheel 331 and auxiliary
The transmission for helping transmission belt 333 to constitute drives driven shaft 332 to rotate；When bulb tube component is elevated to required position, pass through behaviour
Work makes to charge electromagnetic brake 400a energization, with locking driving shaft 322, so that driving shaft 322 can not rotate, thus by bulb group
Part is fixed on required position, carries out corresponding operating；If needing to adjust the position of bulb tube component again later, can make to charge electromagnetism brake
Vehicle device 400a power-off unlocks driving shaft 322, then hand-operated lifting bulb tube component to adjust the position of bulb tube component.
When carrying out lifting driving to bulb tube component, main transmission belt 323 and auxiliary pass the lifting drive of manual actuation
The load of dynamic band 333 is respectively acting on driving shaft 322 and driven shaft 332, in the process, regardless of which axis failure, not
Operator or equipment can be damaged, safety is higher.
Specifically, when the lift drive mechanism of manual actuation carries out lifting driving for vertical image-forming assembly, sliding
Install is vertical image-forming assembly on seat 200, at this point, the brake mould group for being installed on the first mounting base 340 be corresponding to it is vertical at
As the second brake mould group of component.
In the embodiment, the second brake mould group is specially power loss electromagnetic brake 400b, when installation, power loss electromagnetic brake
The turntable of 400b is fixedly connected with driving shaft 322, the pedestal of power loss electromagnetic brake 400b and the fixed company of the first mounting base 340
It connects, that is to say, that the turntable of power loss electromagnetic brake 400b can be rotated with driving shaft 322.
In use, turntable and pedestal are attracted after power loss electromagnetic brake 400b power-off, since pedestal passes through the first peace
It fills seat 340 and first support 324 is affixed, so at this point, turntable is fixed, to limit the rotation of driving shaft 322, and then can
The position for the sliding seat 200 for being equipped with vertical image-forming assembly is kept to be fixed motionless；After power loss electromagnetic brake 400b is powered,
Its turntable and pedestal disengage, at this point, turntable is not fixed, it is free to rotate with driving shaft 322.
In the present embodiment, using power loss electromagnetic brake 400b, it can be ensured that system in the event of a power failure, sliding seat
When in the rabat box for the vertical image-forming assembly installed on 200 without placing Imaging Plate, rabat box will not be because of uneven with counterweight
It weighs and generates elevating movement, can guarantee safety.It is appreciated that its with same effect also can be selected when actual setting
His brake, or other brakes are selected according to different demands.
When this is used for the hand-operated lifting driving mechanism work of vertical image-forming assembly, power loss electromagnetic brake 400b is powered,
Turntable and pedestal disengage, and driving shaft 322 is in the state of can be rotated, the vertical image-forming assembly of hand-operated lifting, can drive be equipped with it is vertical
The sliding seat 200 of image-forming assembly is constituted along 100 vertical lifting of column in driving shaft 322, driving wheel 321 and main transmission belt 323
Transmission, and under the action of 600 equilibrant force of clump weight can drive driving shaft 322 to rotate, meanwhile, by driven shaft 332, from
The transmission that driving wheel 331 and accessory drive band 333 are constituted, drives driven shaft 332 to rotate；Needed for vertical image-forming assembly is elevated to
When position, band power loss electromagnetic brake 400b is powered off by operation, with locking driving shaft 322, turn driving shaft 322 can not
It is dynamic, so that vertical image-forming assembly is fixed on required position, carry out corresponding operating；If needing to adjust vertical imaging group later again
The position of part can make power loss electromagnetic brake 400b be powered, and unlock driving shaft 322, then the vertical image-forming assembly of hand-operated lifting is to adjust
The position of whole vertical image-forming assembly.
When actual setting, to the type selecting of power loss electromagnetic brake 400b, the brake force of power loss electromagnetic brake 400b should be made
The torque of generation is greater than the torque that the own wt of imaging plate generates, and power loss electromagnetic brake 400b powers off locking driving shaft 322
Afterwards, no matter whether the flat panel detector of vertical image-forming assembly is mounted in film magazine, and sliding seat 200 can all remain stationary state, no
Operator can be damaged, equipment will not be damaged；After system cut-off, power loss electromagnetic brake 400b also breaks
Electricity, driving shaft 322 are in lockup state, and sliding seat 200 is remain stationary, and will not be damaged to operator, will not be right
Equipment damages.
Please also refer to Fig. 8 and Fig. 9, Fig. 8 be in specific embodiment lift drive mechanism with position feedback function
The structural schematic diagram of manual driving member；Fig. 9 is that the axis of the manual driving member shown in Fig. 8 with position feedback function surveys section view
Figure.
Lift drive mechanism in the embodiment is also manual drive mode, the basis of the driving part shown in Fig. 6 and Fig. 7
On, it is additionally arranged position feedback mould group, that is to say, that be the hand-operated lifting driving with position feedback function provided by the embodiment
Mechanism.
The structure of position feedback mould group is mainly introduced below, and other structures setting is similar with described in previous embodiment, no longer
It repeats.
In specific scheme, position feedback mould group is installed on driven wheel assembly.
Specifically, position feedback mould group includes rotating potentiometer 510, the shaft and driven shaft 332 of the rotating potentiometer 510
It is fixedly connected, that is to say, that the shaft of rotating potentiometer 510 can be rotated with driven shaft 332.
It is appreciated that lift drive mechanism is when driving 200 elevating movement of sliding seat, the position of sliding seat 200 with it is driven
The rotational parameters of axis 332 are related, and the shaft of rotating potentiometer 510 is rotated with driven shaft 332, and detection parameters are also able to reflect cunning
The change in location of dynamic seat 200, to can determine the relative position of sliding seat 200 according to its output valve.
When specific setting, rotation current potential can be determined according to the mutual conversion between each structural parameters with selected reference point
The output valve of meter 510 and the corresponding relationship of 200 position of sliding seat.
More specifically, position feedback mould group further includes mounting plate 520 and gag lever post 530, wherein rotating potentiometer 510 is pacified
Loaded on mounting plate 520, mounting plate 520 is equipped with the card slot 521 cooperated with gag lever post 530, and gag lever post 530 is fixedly connected on one
Second support 334, after assembling, 530 inlay card of gag lever post is in the card slot 521 of mounting plate 520.
In this way, lift drive mechanism is at work, it can be ensured that the ontology of rotating potentiometer 510 does not rotate, only its shaft with
Driven shaft 332 rotates.
When actual setting, in addition to 521 form of card slot on mounting plate 520, the card hole knot cooperated with gag lever post 530 may also set up
Structure.
The embodiment provide the hand-operated lifting driving mechanism with position feedback function for bulb tube component and it is vertical at
Course of work when as component is introduced similar to previous embodiment, is not repeated, difference is, because increase has position feedback mould
Group, so in the relative position that can accurately determine sliding seat 200 according to position feedback mould group when specific operation.
It is the knot of the electric drive component of lift drive mechanism in specific embodiment please also refer to Figure 10 and Figure 11, Figure 10
Structure schematic diagram；Figure 11 is the isometric cutaway view of electric drive component shown in Figure 10.
In both of the aforesaid embodiment, the drive mode of lift drive mechanism be it is manual, in the embodiment, lift drive mechanism
Drive mode be it is electronic, specifically, driving source is driving motor 350, and driving motor 350 is installed on first by connection structure
Bracket 324, to cooperate with driving shaft 322, driving driving shaft 322 is rotated.
It is appreciated that because the one end fits of brake mould group and driving shaft 322, are installed on one of first support 324,
So driving motor 350 is installed on another first support 324 by connection structure.
Specifically, the connection structure of installation driving motor 350 includes motor mounting plate 360 and the second mounting base 370, motor
Mounting plate 360 is fixedly connected by the second mounting base 370 with first support 324, and driving motor 350 is installed on motor mounting plate
360, output shaft connect that driving shaft 322 is driven to rotate with driving shaft 322；It is appreciated that when actual setting, driving electricity
The position of machine 350 is limited by the connection with motor mounting plate 360, and the main part of motor 350 can be supported by pedestal 310, with
Ensure installation reliability.
When actual setting, driving motor 350 can also be directly fixed with first support 324 by motor mounting plate 360, also
It is to say to be not provided with the second mounting base 370；It is contemplated that installation space and operation ease, are preferably provided the second mounting base 370,
Specifically, the second mounting base 370 and motor mounting plate 360 have through-hole corresponding with 322 position of driving shaft, in order to drive electricity
The output shaft of machine 350 is connect with driving shaft 322, more specifically, the settable protruding portion in two sides of the second mounting base 370, two is prominent
Portion can insert the through-hole of through-hole and motor mounting plate 360 embedded in first support 324 respectively, to ensure the output of driving motor 350
The concentricity of axis and driving shaft 322.
In the embodiment, brake mould group setting and position feedback mould group structure and be arranged etc. in previous embodiment
Unanimously, details are not described herein again.
It should be noted that sliding seat 200 away from installation ground height value (relative position of sliding seat 200) and driving
The spindle revolutions of motor 350 are related, can be determined in advance the location parameter of sliding seat 200 and the spindle revolutions of driving motor 350 and
The corresponding relationship of the output valve proportionate relationship of rotating potentiometer 510, in actual work, according to the output valve of rotating potentiometer 510
Determine the position of sliding seat 200.
It certainly, can also be only according to the spindle revolutions of driving motor 350 or the output valve of rotating potentiometer 510 when actual setting
Determine the position of sliding seat 200, but by both proportionate relationship judge it is more acurrate, can be avoided because failure (such as hereinafter
It is mentioned) caused by judge by accident.
When the lifting drive that driving motor 350 drives is used to carry out bulb tube component lifting driving, on sliding seat 200
Installation is bulb tube component, at this point, the brake mould group for being installed on the first mounting base 340 is specially to charge electromagnetic brake 400a.
When work, electrification electromagnetic brake 400a power-off, driving shaft 322 is in the state of can be rotated, starts driving motor 350
Rotation, driving driving shaft 322 rotate, and drive the sliding seat 200 for being equipped with bulb tube component along 100 vertical lifting of column, Ke Yili
Solution controls the lifting of sliding seat 200 by 350 positive and negative rotation of driving motor；Meanwhile driven shaft 332 rotates with it, with driven shaft
The rotating potentiometer 510 of 332 connections rotates with it, and the output valve of rotating potentiometer 510 becomes with the change in location of sliding seat 200
Change, the lifting position of sliding seat 200 can be determined according to the output valve of rotating potentiometer 510 and the revolving speed of driving motor 350, works as cunning
When position needed for dynamic seat 200 drives bulb tube component to reach, control driving motor 350 is shut down, while charging electromagnetic brake 400a
It is powered, stops to the driving of driving shaft 322 and the position of locking driving shaft 322.
When the lifting drive that driving motor 350 drives carries out lifting driving for vertical image-forming assembly, sliding seat
What is installed on 200 is vertical image-forming assembly, at this point, the brake mould group for being installed on the first mounting base 340 is specially that power loss electromagnetism is stopped
Vehicle device 400b.
When work, power loss electromagnetic brake 400b is powered, and driving shaft 322 is in the state of can be rotated, and starts driving motor 350
Rotation, driving driving shaft 322 actively, drive the sliding seat 200 for being equipped with vertical image-forming assembly along 100 vertical lifting of column, can
To understand, the lifting of sliding seat 200 is controlled by 350 positive and negative rotation of driving motor；Meanwhile driven shaft 332 rotates with it, and it is driven
The rotating potentiometer 510 that axis 332 connects rotates with it, and can determine sliding seat by the revolving speed of its output valve and driving motor 350
200 lifting position, when sliding seat 200 drives vertical image-forming assembly to reach required position, control driving motor 350 is shut down,
Power loss electromagnetic brake 400b power-off simultaneously stops to the driving of driving shaft 322 and the position of locking driving shaft 322.
It, can be by adjusting so that main transmission belt 323 when driving motor 350 is as driving source in further embodiment
Clamp force be less than accessory drive band 333 tensile force, in this way setting after, lift drive mechanism at work, accessory drive band 333
Abrasion is greater than the abrasion of main transmission belt 323, so accessory drive band 333 can fail prior to main transmission belt 323, if worked
Cheng Zhong, 333 fracture failure of accessory drive band, main transmission belt 323 can guarantee to be equipped under the equilibrant force effect of clump weight 600
The sliding seat 200 of bulb tube component or vertical image-forming assembly is stationary；At this point, driving motor 350 still drives 322 turns of driving shaft
It is dynamic, and accessory drive band 333 not will drive the rotation of driven shaft 332 because failing, so that rotating potentiometer 510 will not rotate,
In this way, the output valve of rotating potentiometer 510 would not change due to the change in location of sliding seat 200, at this point, rotating potentiometer
510 output valve and the proportionate relationship of 350 revolving speed of driving motor are incorrect, may determine that system breaks down accordingly.
In addition, lift drive mechanism is at work, if rotating potentiometer 510 fails, then its output valve and driving motor
The proportionate relationship of 350 revolving speeds is also incorrect.
Specifically, controller can be set, the controller and rotating potentiometer 510 and driving motor 350 communicate to connect, can
To receive the feedback signal of rotating potentiometer 510 and the tach signal of driving motor 350, and the proportionate relationship both judged whether
Correctly, alarm signal is issued when and the two proportionate relationship is incorrect, staff can shut down after knowing warning message and examine
Repairing with determination is that fracture defect occurs for accessory drive band 333 or rotating potentiometer 510 fails.
It should be pointed out that main transmission belt 323 and accessory drive band 333 are chain form in above-mentioned each illustrated scheme,
It is appreciated that the two is also designed to belt or other forms when actual setting.
Be described above it is manual, manually with position feedback and electronic lift drive mechanism, can basis when actual setting
Practical situation assembles different modules, and to meet the needs of multiple product configuration, modular design is also beneficial to existing procucts
Upgrading.
X-ray photograph system provided by the present invention and its lift drive mechanism are described in detail above.Herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention.It should be pointed out that for those skilled in the art, not
, can be with several improvements and modifications are made to the present invention under the premise of being detached from the principle of the invention, these improvement and modification are also fallen into
In the protection scope of the claims in the present invention.
Claims (11)
- The lift drive mechanism of 1.X line camera chain, which is characterized in that including column and the driving portion for being installed on the column Part；The driving part is for driving sliding seat vertically movable along the column；The sliding seat be used for install the X-ray photograph system bulb tube component or vertical image-forming assembly；The driving part is equipped with the connection structure and the first mounting base of connection driving source；First mounting base is for installation pair It should the first brake mould group in bulb tube component or the second brake mould group corresponding to vertical image-forming assembly.
- 2. lift drive mechanism according to claim 1, which is characterized in that it is anti-that the driving part is additionally provided with installation site The mounting structure of mould group is presented, the position feedback mould group is used to monitor the position where the sliding seat.
- 3. lift drive mechanism according to claim 2, which is characterized in that the driving part include drive wheel assemblies and Driven wheel assembly, one end of the main transmission belt of the drive wheel assemblies are fixedly connected with the sliding seat, and the other end is fixedly connected with Clump weight；One end of the accessory drive band of the driven wheel assembly is fixedly connected with the sliding seat, and the other end is fixedly connected described Clump weight；The connection structure and first mounting base for connecting the driving source are specifically set to the drive wheel assemblies；Installation institute The mounting structure that rheme sets feedback module is specifically set to the driven wheel assembly.
- 4. lift drive mechanism according to claim 3, which is characterized in that first mounting base and the bearing active The first support of the driving wheel of wheel assembly is fixedly connected, and the first brake mould group includes electrification electromagnetic brake, the electrification The turntable of electromagnetic brake is removably secured with the driving shaft of the drive wheel assemblies and connect；The second brake mould group includes power loss electromagnetic brake, and the turntable and the driving shaft of the power loss electromagnetic brake can Connection is removedly fixed.
- 5. lift drive mechanism according to claim 3, which is characterized in that the position feedback mould group includes rotation current potential Meter, the shaft of the rotating potentiometer are fixedly connected with the driven shaft of the driven wheel assembly.
- 6. lift drive mechanism according to claim 5, which is characterized in that the position feedback mould group further includes mounting plate And gag lever post；The rotating potentiometer is installed on the mounting plate, and the gag lever post is fixed in two second supports One；The mounting plate has the card slot cooperated with the gag lever post or card hole.
- 7. lift drive mechanism according to claim 3, which is characterized in that the driving source is driving motor, the company Binding structure includes motor mounting plate, and the driving motor is installed on the motor mounting plate, the motor mounting plate and bearing institute The first support for stating the driving wheel of drive wheel assemblies is fixedly connected, the output shaft of the driving motor and the drive wheel assemblies Active axis connection is to drive the driving shaft to rotate.
- 8. lift drive mechanism according to claim 7, which is characterized in that the connection structure further include be set to it is described The second mounting base between motor mounting plate and the first support, the motor mounting plate pass through second mounting base and institute First support is stated to be fixedly connected.
- 9. lift drive mechanism according to claim 7, which is characterized in that the expanding force of the main transmission belt is less than described The tensile force of accessory drive band.
- 10. lift drive mechanism according to claim 7, which is characterized in that further include controller, the controller is used for The feedback signal of the position feedback mould group and the revolution signal of the driving motor are received, and judges the proportionate relationship of the two not Alarm signal is issued when correct.
- 11.X line camera chain, including bulb tube component and vertical image-forming assembly, which is characterized in that further include that claim 1-10 appoints Lift drive mechanism described in one, to drive the bulb tube component or the vertical image-forming assembly vertically movable.
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| CN201910228414.2A CN109907771B (en) | 2019-03-25 | 2019-03-25 | X-ray photographing system and lifting driving mechanism thereof |
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| CN201910228414.2A CN109907771B (en) | 2019-03-25 | 2019-03-25 | X-ray photographing system and lifting driving mechanism thereof |
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| CN109907771B CN109907771B (en) | 2023-04-25 |
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| CN113520414A (en) * | 2020-04-17 | 2021-10-22 | 通用电气精准医疗有限责任公司 | Lifting device and X-ray imaging system |
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| CN109907771B (en) | 2023-04-25 |
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