CN212438642U - Suspension type DR system - Google Patents

Abstract

The utility model discloses a suspension type DR system, which comprises a transverse installation guide rail; the longitudinal moving guide rail is connected with the transverse installation guide rail in a sliding way; the lifting frame is slidably arranged on the longitudinal moving guide rail; the top end of the telescopic cylinder is arranged on the hanging bracket and can do telescopic motion in the vertical direction; the X-ray emission device is arranged at the bottom end of the telescopic cylinder and can rotate around the axis of the telescopic cylinder. This suspension type DR system is through the design horizontal installation guide rail, the longitudinal movement guide rail, make medical personnel can freely adjust X-ray emitter in the position of horizontal plane, flexible action through a flexible section of thick bamboo is in the position of vertical direction with adjustment X-ray emitter, and simultaneously, benefit from X-ray emitter's rotatability, light ray emitter still can be in the horizontal plane free rotation, can make medical personnel freedom and the position of omnidirectional adjustment light ray emitter in the space through above-mentioned design, with this demand that satisfies different clinical situation.

Description

Suspension type DR system

Technical Field

The utility model relates to a radiodiagnosis equipment field, in particular to suspension type DR system.

Background

The DR system, i.e. a direct digital radiography system, is composed of an electronic cassette, a scan controller, a system controller, an image monitor, etc., and is a direct digital radiography system which directly converts X-ray photons into a digital image through the electronic cassette.

The DR system mainly comprises an X-ray emitting device and an X-ray receiving device, wherein the X-ray emitting device is composed of a bulb tube and a beam limiting assembly, the bulb tube is used for emitting X-rays, the beam limiting assembly is used for controlling the emission range of the X-rays, the X-ray receiving device is generally composed of a photographic bed and a CCD detector, and the basic working principle is as follows: the patient stands and leans against or lies on the photographic bed, the relative position between the CCD detector and the light ray emitting device is adjusted, so that the focus position of the patient is positioned on a vertical line between the focus of the bulb tube and the center of the receiving surface of the CCD detector, thus the X-ray emitted from the bulb tube passes through the focus position of the patient to be shot on a receiving plate of the CCD detector after the light field is adjusted, and the image of the focus position is obtained after digital processing.

The existing DR system is divided into a suspension DR system and a stand column DR system according to a rack structure, the existing suspension DR system is complex in component configuration, large in size and mass, poor in operation flexibility and small in free movement range, detection and diagnosis of different focus parts of different patients are difficult to achieve rapidly, and due to the structural limitation of the most suspension DR systems, the DR system has a detection blind area and cannot detect or diagnose all focus parts of the patients.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a suspension type DR system, its structure is ingenious, and the range of motion is wide, can all-round adjustment X ray emitter in the position in space, satisfies different clinical situation's demand.

According to the utility model discloses suspension type DR system of embodiment includes: transversely installing a guide rail; the longitudinal moving guide rail is connected with the transverse mounting guide rail in a sliding manner; a hanger slidably mounted on the longitudinal moving rail; the top end of the telescopic cylinder is mounted on the hanging bracket and can do telescopic motion in the vertical direction; and the X-ray emitting device is arranged at the bottom end of the telescopic cylinder and can rotate around the axis of the telescopic cylinder.

The method has the following beneficial effects:

this suspension type DR system is through the design horizontal installation guide rail, the longitudinal movement guide rail, make medical personnel can freely adjust X-ray emitter in the position of horizontal plane, flexible action through a flexible section of thick bamboo is in the position of vertical direction with adjustment X-ray emitter, and simultaneously, benefit from X-ray emitter's rotatability, light ray emitter can freely rotate in the level promptly, can make medical personnel freely and the position of omnidirectional adjustment light ray emitter on the space through above-mentioned design, with this demand that satisfies different clinical situation.

According to the utility model discloses a some embodiments, the bottom of telescopic cylinder is rotated and is installed the mount pad, it is equipped with horizontal rotation axis to rotate on the mount pad, X-ray emission device with horizontal rotation axis is connected.

According to the utility model discloses a some embodiments, the cover is equipped with the worm wheel on the horizontal rotation axle, rotate on the mount pad install with worm wheel meshed worm.

According to some embodiments of the utility model, the gallows with be connected with the bellows between the mount pad, the bellows is worn to establish for the cable.

According to some embodiments of the utility model, install on the gallows and be used for controlling the flexible power unit of telescopic cylinder.

According to some embodiments of the utility model, power unit is including installing respectively balancer, pivot and drive mechanism on the gallows, the wire rope of balancer is around establishing in the pivot back with telescopic cylinder connects, drive mechanism is passed through in the pivot and is connected with driving motor, still erect the confession on the gallows wire rope is around the line wheel of establishing.

According to some embodiments of the utility model, telescopic tube includes multisection telescopic joint, multisection the telescopic joint slides each other nested, adjacent two the telescopic joint passes through bearing sliding connection.

According to the utility model discloses a some embodiments, the gallows through first antifriction bearing with longitudinal movement guide rail roll connection, have on the longitudinal movement guide rail with first antifriction bearing complex longitudinal sliding groove, still be equipped with on the gallows and be used for horizontal spacing the first locating part of longitudinal movement guide rail.

According to the utility model discloses a some embodiments, horizontal spout has been seted up on the horizontal installation guide rail, fixed mounting has the link on the longitudinal movement guide rail, the link pass through second antifriction bearing with horizontal spout rolling connection, still be equipped with on the link and be used for vertically spacing the second locating part of horizontal installation guide rail.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a schematic structural view of a power mechanism in an embodiment of the present invention;

FIG. 5 is a schematic view of the fitting structure of the telescopic cylinder and the X-ray emitting device in the embodiment of the present invention;

fig. 6 is a schematic view of a partial structure of the mounting seat in the embodiment of the present invention.

Wherein: the X-ray radiation device comprises a transverse installation guide rail 100, a transverse sliding groove 110, a longitudinal moving guide rail 200, a longitudinal sliding groove 210, a second rolling bearing 220, a second limiting member 230, a connecting frame 240, a hanging frame 300, a first rolling bearing 310, a first limiting member 320, a telescopic cylinder 400, an X-ray radiation emitting device 500, an installation seat 600, a worm 610, a prism 620, a locking mechanism 630, a horizontal rotating shaft 700, a worm wheel 710, a power mechanism 800, a balancer 810, a steel wire rope 811, a rotating shaft 820, a driving motor 830, a wire wheel 840 and a corrugated pipe 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the utility model discloses a suspension type DR system, including transverse installation guide rail 100, longitudinal movement guide rail 200, gallows 300, telescopic cylinder 400 and X-ray emission device 500, wherein, telescopic cylinder 400's top is installed on gallows 300, telescopic cylinder 400 can be telescopic motion in vertical direction, X-ray emission device 500 sets up the bottom at telescopic cylinder 400, X-ray emission device 500 can rotate around telescopic cylinder 400's axle center, so that light-ray emission device 500 can free rotation in the horizontal plane, in addition, longitudinal movement guide rail 200 and transverse installation guide rail 100 sliding connection, namely longitudinal movement guide rail 200 can follow transverse installation guide rail 100 horizontal slip, gallows 300 slidable mounting is on longitudinal movement guide rail 200, namely gallows 300 can follow longitudinal movement guide rail 200 horizontal slip.

This suspension type DR system makes medical personnel can freely adjust the position of X-ray emission device 500 at the horizontal plane through simple operation through above-mentioned design, flexible action through telescopic cylinder 400 is in order to adjust the position of X-ray emission device 500 in vertical direction, simultaneously, benefit from X-ray emission device 500's rotatability, light ray emission device 500 still can freely rotate in the horizontal plane, can make medical personnel freely and the position of omnidirectional adjustment light ray emission device 500 on the space through above-mentioned design, with this demand that satisfies different clinical situation, adapt to the installation space of equidimension not simultaneously.

In some embodiments of the present invention, referring to fig. 1 and 5, in order to make the X-ray emitting device 500 rotate in the vertical plane to rapidly adjust its position in space, and simultaneously avoid the X-ray emitting device 500 to influence the structural stability of the telescopic cylinder 400 when rotating, the bottom of the telescopic cylinder 400 is rotated and installed with the mounting base 600, the mounting base 600 is provided with the horizontal rotation axis 700, the X-ray emitting device 500 is connected with the horizontal rotation axis 700, and the axis of the telescopic cylinder 400 is perpendicular to the horizontal rotation axis 700. It can be understood that, in combination with the fact that the X-ray emitting device 500 can rotate around the axis of the telescopic cylinder 400, the X-ray emitting device 500 can freely rotate in the horizontal plane and the vertical plane, so as to rapidly adjust the position of the X-ray emitting device 500 in space to meet the requirements of different clinical conditions.

In one embodiment, referring to fig. 6, a prism 620 for rotationally clamping and matching with the telescopic cylinder 400 is vertically arranged on the mounting base 600, the telescopic cylinder 400 is in a prism shape for rotationally clamping and matching with the prism, the bottom end of the telescopic cylinder 400 is rotationally clamped and matched with the prism 620, meanwhile, a locking mechanism 630 for locking or unlocking the prism 620 is further arranged on the mounting base 600, in this embodiment, the locking mechanism 630 realizes the function of locking the prism 620 by being clamped and matched with the prism 620, when the locking mechanism 630 unlocks the prism 620, the prism 620 is not locked, a medical worker can manually rotate the mounting base 600 to enable the mounting base 600 to drive the X-ray emitting device 500 to rotate around the axis of the telescopic cylinder 400 so as to realize the rotation of the X-ray emitting device 500 on the horizontal plane, in this way, the position of the X-ray emitting device 500 on the horizontal plane is rotationally adjusted, after the position of the X-ray emitting device 500 on the horizontal plane is adjusted, can be through locking mechanism 630 locking arris axle 620, with this position of locking X-ray emission device 500 on the horizontal plane, and simultaneously, mount pad 600 installs and is used for driving the rotatory driving motor of horizontal rotation axle 700, the one end of horizontal rotation axle 700 is connected with driving motor's output, X-ray emission device 500 is connected to the other end of horizontal rotation axle 700, driving motor accessible drive horizontal rotation axle 700 is rotatory and then drive X-ray emission device 500 and rotate, realize the position control of X-ray emission device 500 on the vertical plane, and is convenient and fast.

In addition, in another embodiment, referring to fig. 1, 5 and 6, a worm wheel 710 is sleeved on the horizontal rotating shaft 700, and a worm 610 meshed with the worm wheel 710 is rotatably mounted on the mounting base 600, i.e. the worm wheel 710 and the worm 610 form a worm and gear mechanism. It can be understood that the matching design of the worm wheel 710 on the horizontal rotation shaft 700 and the worm 610 of the mounting base 600 makes the horizontal rotation shaft 700 have self-locking property, highly match and adapt to the property that the X-ray emission device 500 needs to work intermittently, when the position of the X-ray emission device 500 in the vertical plane needs to be adjusted, the medical staff can manually rotate the whole X-ray emission device 500, and the position of the X-ray emission device 500 can be accurately adjusted without a power source, it is easy to understand that, in the actual adjustment process, the worm wheel 710 is used as the driving part, the worm 610 is driven to rotate, the larger matching torque of the worm wheel and worm mechanism and the self-locking function thereof also effectively prevent the X-ray emission device 500 from contacting with the focus of the patient during clinical work and causing bad conditions such as loosening and shifting, and the structural stability of the X-ray emission device 500 is ensured, the reliability of the diagnosis result is also ensured.

Of course, in this embodiment, in order to more precisely adjust and control the position of the X-ray emitting device 500 on the vertical surface, the mounting base 600 may further be provided with a transmission assembly, such as a chain transmission or a synchronous belt transmission, and an asynchronous motor, which drives the worm 610 to rotate through the transmission assembly so as to rotate the X-ray emitting device 500, so as to achieve the function of precisely and precisely adjusting and controlling the position of the X-ray emitting device 500 on the vertical surface.

Furthermore, in some embodiments of the present invention, referring to fig. 1 again, consider that this DR system is in actual clinical work, need to have cable connection on X-ray emission device 500 in order to realize the electric connection of X-ray emission device 500 and external controller, and because X-ray emission device 500 can reciprocate along with telescopic tube 400 in step, in order to prevent that all cables from influencing the use of whole DR system, be connected with bellows 900 between gallows 300 and mount pad 600, bellows 900 is worn to establish the cable, it needs to be understood that, cable conductor on the DR system can wear to locate in bellows 900 after with X-ray emission device 500 electric connection, all cable conductors can all concentrate and accomodate in bellows 900, the bad situation that influences X-ray emission device 500 free movement such as scattered in disorder has been avoided many cables to appear, and simultaneously, the scalable function of bellows 900 can make the cable move up and down along with telescopic tube 400 in step and do not influence X-ray emission device 400 The normal operation of the radiation emitting device 500 is effectively adapted to different positions of the X-ray radiation emitting device 500 in space.

In some embodiments of the present invention, referring to fig. 1 and 4, a power mechanism 800 for controlling the extension and retraction of the telescopic cylinder 400 is installed on the hanger 300. Specifically, the power mechanism 800 includes a balancer 810, a rotating shaft 820 and a transmission mechanism respectively mounted on the hanger 300, a steel wire rope 811 of the balancer 810 is wound on the rotating shaft 820 and then connected to the telescopic cylinder 400, the rotating shaft 820 is connected to the driving motor 830 through the transmission mechanism, and the hanger 300 is further provided with a wire wheel 840 around which the steel wire rope 811 is wound. Telescopic tube 400 comprises the telescopic joint of multisection nested that slides each other, the telescopic joint is hollow tube-shape, the external diameter of a plurality of telescopic joints from top to bottom is steadilyd decrease in proper order, certain difference in height has between two adjacent telescopic joints, realize that a plurality of telescopic joints are in order to do the function of flexible action, make telescopic tube 400's flexible action link up and stable, two adjacent telescopic joints pass through guide pulley or bearing sliding connection, frictional force when reducing whole telescopic tube 400 and doing flexible action, the life of extension telescopic tube 400, and simultaneously, two adjacent telescopic joints can drive each other and do synchronous slip from top to bottom, wire rope 811's end-to-end connection is on the telescopic joint of lower floor.

It should be understood that, when the telescopic cylinder 400 is in an initial state, the tension of the steel wire rope 811 is balanced with the sum of the gravity of the telescopic cylinder 400 and the gravity of other components arranged on the telescopic cylinder 400, at this time, the telescopic cylinder 400 is in a static stable state, when the height position of the X-ray emitting device 500 in the up-down direction needs to be adjusted, the driving motor 830 operates and drives the rotating shaft 820 to rotate through the transmission mechanism, the rotation of the rotating shaft 820 drives the steel wire rope 811 on the rotating shaft to extend and shorten, so as to drive the telescopic cylinder 400 to extend and retract, thereby realizing the up-down movement of the X-ray emitting device 500, and meanwhile, the arrangement of the wire wheel 840 plays a role in positioning the steel wire rope 811 and providing a certain guide.

In some embodiments of the present invention, referring to fig. 1 and 3, in order to reduce the contact friction between the hanger 300 and the longitudinally moving rail 200 during the sliding process of the hanger 300 along the longitudinally moving rail 200, the hanger 300 is in rolling connection with the longitudinally moving rail 200 through a first rolling bearing 310, the longitudinally moving rail 200 is provided with a longitudinal sliding slot 210 engaged with the first rolling bearing 310, the hanger 300 is further provided with a first stopper 320 for laterally stopping the longitudinally moving rail 200, in this embodiment, the first stopper 320 is a bearing fixedly disposed on the hanger 300, the sidewall of the longitudinally moving rail 200 close to the hanger 300 abuts against the bearing, the first stopper 320 is disposed to effectively prevent the longitudinally moving rail 200 from sliding relative to the hanger 300 during the sliding process of the longitudinally moving rail 200, and prevent the longitudinal moving rail 200 from shifting or misplacing during the sliding process of the hanger 300, which may affect the position of the hanger 300, the hanger 300 is always in a linear sliding state along the longitudinal sliding groove 210 when sliding, and the stability of the motion of the hanger 300 is ensured.

Similarly, referring to fig. 1 and fig. 2, a transverse sliding groove 110 is formed in the transverse installation guide rail 100, a connecting frame 240 is fixedly installed on the longitudinal movement guide rail 200, the connecting frame 240 is in rolling connection with the transverse sliding groove 110 through a second rolling bearing 220, a second limiting member 230 for limiting the transverse installation guide rail 100 longitudinally is further arranged on the connecting frame 240, in this embodiment, the second limiting member 230 is a bearing fixedly installed on the connecting frame 240, a side wall of the transverse installation guide rail 100 close to the connecting frame 240 is abutted to the bearing, and similarly, the arrangement of the second limiting member 230 effectively ensures that the connecting frame 240 is always in a linear sliding state along the transverse sliding groove 110 when sliding, so as to ensure the stability of the movement of the longitudinal movement guide rail 200.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (9)

1. An overhead DR system, comprising:

transversely installing a guide rail;

the longitudinal moving guide rail is connected with the transverse mounting guide rail in a sliding manner;

a hanger slidably mounted on the longitudinal moving rail;

the top end of the telescopic cylinder is mounted on the hanging bracket and can do telescopic motion in the vertical direction;

and the X-ray emitting device is arranged at the bottom end of the telescopic cylinder and can rotate around the axis of the telescopic cylinder.

2. A suspended DR system as recited in claim 1 wherein said telescoping cylinder has a mounting base pivotally mounted at a bottom end thereof, said mounting base having a horizontal pivot axis pivotally mounted thereon, said X-ray emitting device being connected to said horizontal pivot axis.

3. A suspended DR system as recited in claim 2 wherein said horizontal axis of rotation is sleeved with a worm gear, and said mounting block is rotatably mounted with a worm gear engaged with said worm gear.

4. A suspended DR system as recited in claim 2 wherein a bellows is coupled between said hanger and said mounting bracket, said bellows having cables extending therethrough.

5. A suspended DR system as recited in claim 1 wherein said hanger is provided with a power mechanism for controlling the extension and retraction of said telescoping tubes.

6. A suspended DR system as claimed in claim 5, wherein said power mechanism includes a balancer, a shaft and a transmission mechanism respectively mounted on said hanger, the wire rope of said balancer is wound around said shaft and then connected to said telescopic cylinder, said shaft is connected to the driving motor through the transmission mechanism, and said hanger is further provided with a wire wheel around which said wire rope is wound.

7. A suspended DR system as claimed in any of claims 1 to 6 wherein the telescopic tube comprises a plurality of telescopic sections which are slidably nested within one another, adjacent telescopic sections being slidably connected by bearings.

8. A suspended DR system as claimed in any one of claims 1 to 6 wherein said hanger is in rolling connection with said longitudinally moving rail via a first rolling bearing, said longitudinally moving rail having a longitudinal slide slot cooperating with said first rolling bearing, said hanger further having a first stop for laterally limiting said longitudinally moving rail.

9. A suspended DR system as claimed in any one of claims 1 to 6, wherein said transverse mounting rail has a transverse sliding slot, said longitudinal moving rail has a connecting frame fixedly mounted thereon, said connecting frame is connected with said transverse sliding slot by a second rolling bearing, and said connecting frame is further provided with a second position-limiting member for longitudinally limiting said transverse mounting rail.

Images