CN214804814U

CN214804814U - X-ray bed body rotary mechanism

Info

Publication number: CN214804814U
Application number: CN202022827725.1U
Authority: CN
Inventors: 黄业同; 罗大亮
Original assignee: Zhuhai Perlead Medical Equipment Co ltd
Current assignee: Zhuhai Perlead Medical Equipment Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-23
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a rotary mechanism of X-ray bed body, include: a base provided with a mounting hole; one side of the gear disc is provided with a rotating shaft, the other side of the gear disc is connected with the bed body, and the rotating shaft is rotatably arranged in the mounting hole; and the driving device is arranged on the base and comprises a gear shaft, and the gear shaft is arranged at the output end of the driving device and is meshed with the gear disc. The utility model discloses a set up the bed body on the toothed disc, the gear shaft that utilizes drive arrangement to drive orders about the toothed disc and rotates to realize the rotation of the control bed body, the turned angle of the bed body can be controlled accurately with the meshing of gear shaft to the toothed disc, guarantees accurate location, the operation requirement of the different angles that needs when realizing the doctor inspection.

Description

X-ray bed body rotary mechanism

Technical Field

The utility model relates to the technical field, in particular to X ray bed body rotary mechanism.

Background

The medical X-ray equipment is one of the equipment with more common clinical application, adopts X-rays as a detection and diagnosis basis, controls the equipment which is used for carrying out radio examination and radiotherapy on human tissues by the X-rays, and can help doctors to judge the specific state of illness of patients. The problem that the position of a bed surface of a traditional medical X-ray machine cannot be controlled in the using process is solved, and the bed body is usually a fixed horizontal bed surface and cannot rotate, so that the special angle required by a doctor during examination is difficult to meet, and inconvenience is brought to the examination operation of the doctor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an X-ray bed body rotating mechanism, which realizes the free rotation of the bed surface.

According to the utility model discloses an X ray bed body rotary mechanism of embodiment, include: a base provided with a mounting hole; one side of the gear disc is provided with a rotating shaft, the other side of the gear disc is connected with the bed body, and the rotating shaft is rotatably arranged in the mounting hole; and the driving device is arranged on the base and comprises a gear shaft, and the gear shaft is arranged at the output end of the driving device and is meshed with the gear disc.

According to the utility model discloses X ray bed body rotary mechanism has following beneficial effect at least: through setting up the bed body on the toothed disc, the gear shaft that utilizes drive arrangement to drive orders about the toothed disc and rotates to realize the rotation of the control bed body, the turned angle of the bed body can be controlled accurately to the meshing of toothed disc and gear shaft, guarantees accurate location, the operation requirement of the different angles that needs when realizing the doctor inspection.

According to the utility model discloses a some embodiments still include two sets of first antifriction bearing, two sets of first antifriction bearing all set up in on the gear shaft and set up respectively in the both sides of toothed disc. The tangential force borne by the gear shaft and the gear disc during meshing transmission can be effectively distributed to the first rolling bearing, so that the tangential force borne by the gear shaft and the driving device is reduced, and the service life of the equipment is prolonged.

According to the utility model discloses a some embodiments, be provided with the bearing frame on the base, bearing frame one side opening and cover are located on the gear shaft, first antifriction bearing butt the inner wall of bearing frame. Because the tangential force that receives is the biggest at the exit that drive arrangement and gear shaft are connected, the disconnected axle phenomenon often can appear, through bearing frame and first rolling bearing structure, has changed the gear shaft atress condition, prevents the gear shaft fracture.

According to some embodiments of the invention, the first rolling bearing is a deep groove ball bearing. The deep groove ball bearing has the advantages of small friction resistance, high rotating speed and the like, can be used for parts bearing radial loads or combined loads acted simultaneously in the radial direction and the axial direction, and ensures the bearing capacity.

According to some embodiments of the invention, the drive device further comprises: a drive motor; a reduction gearbox; the transmission belt is connected with the output shaft of the driving motor and the input shaft of the reduction box; the gear shaft is arranged at the output end of the reduction gearbox. The reduction gearbox is arranged to reduce the rotating speed output by the driving motor, so that the shaking of the bed body caused by overhigh rotating speed is prevented, and the stability of the bed body is ensured while the effect of improving the rotating precision is achieved.

According to some embodiments of the utility model, driving motor is the motor that just reverses. The positive and negative rotation motor ensures bidirectional switchable rotation of the driving motor.

According to the utility model discloses a some embodiments still include a plurality of second antifriction bearing, and is a plurality of the second antifriction bearing cover is located in the pivot and butt the inner wall of mounting hole. The tangential stress generated by the mutual motion between the rotating shaft and the mounting hole can be effectively and respectively provided for the second rolling bearings, so that the bearing capacity of the rotating shaft is improved, and the rotating shaft is prevented from being broken.

According to some embodiments of the present invention, the second rolling bearing includes two sets, two sets the second rolling bearing respectively set up in both ends about the pivot.

According to some embodiments of the utility model, still include the locating part, the locating part is fixed in the pivot and be suitable for the butt second antifriction bearing. Thereby restrict the horizontal motion degree of freedom of second antifriction bearing through setting up locating part butt second antifriction bearing, guarantee the stability of assembly.

According to some embodiments of the invention, the locating part comprises a round nut and a round nut washer which are mutually matched.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

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 left side sectional view of the X-ray bed rotating mechanism of the present embodiment;

FIG. 2 is a rear view of the X-ray bed rotating mechanism of the present embodiment;

FIG. 3 is a schematic view of the overall structure of the present embodiment;

reference numerals: a base 100; a mounting hole 101; a gear plate 200; a rotating shaft 210; a driving device 300; a gear shaft 310; a drive motor 320; a reduction gearbox 330; a belt 340; a first rolling bearing 400; a bearing housing 500; a second rolling bearing 600; a stopper 700; a round nut 710; a round nut washer 720; a bed body 800.

Detailed Description

Reference will now be made in detail to the 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 functions 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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an X ray bed body rotary mechanism of embodiment refers to fig. 1, fig. 2, fig. 3, includes: the bed body 800 is fixed on the other side of the gear disc 200 in a welding or bolt mode, or a guide rail and a slide block are arranged on the gear disc 200, and the bed body 800 is connected with the bed body 800 by the slide block, so that the movable installation of the bed body 800 is realized.

Preferably, referring to fig. 1, the gear rack further includes two sets of first rolling bearings 400, and the two sets of first rolling bearings 400 are respectively sleeved on the gear shaft 310 and respectively disposed on two sides of the gear plate 200. The tangential force applied to the gear shaft 310 and the gear plate 200 during the meshing transmission can be effectively distributed to the first rolling bearing 400, so that the tangential force applied to the gear shaft 310 and the driving device 300 is reduced, and the service life of the equipment is prolonged.

Preferably, referring to fig. 1, a bearing seat 500 is disposed on the base 100, the bearing seat 500 is fixed on the base 100 by a bolt, one side of the bearing seat 500 is open and sleeved on the gear shaft 310, wherein the gear shaft 310 is engaged with the gear plate 200 at the opening of the bearing seat 500. Because the tangential force applied to the outlet of the driving device 300 connected with the gear shaft 310 is the largest, the phenomenon of shaft breakage often occurs, and the stress condition of the gear shaft 310 is improved through the structure of the bearing seat 500 and the first rolling bearing 400, so that the gear shaft 310 is prevented from being broken.

Preferably, the first rolling bearing is a deep groove ball bearing. The deep groove ball bearing has the advantages of small friction resistance, high rotating speed and the like, can be used for parts bearing radial loads or combined loads acted simultaneously in the radial direction and the axial direction, and ensures the bearing capacity.

Referring to fig. 1 and 2, the driving device 300 includes a driving motor 320, a reduction gearbox 330, and a transmission belt 340, wherein the driving motor 320 and the reduction gearbox 330 are both fixedly mounted on the base 100 through bolts, the gear shaft 310 is disposed on an output shaft of the reduction gearbox 330, the transmission belt 340 is simultaneously wound around an output end of the driving motor 320 and an input shaft of the reduction gearbox 330, the driving motor 320 drives the input shaft of the reduction gearbox 330 to rotate through the transmission belt 340, and the reduction gearbox 330 drives the gear shaft 310 to rotate to realize driving. It should be noted that the reduction box 330 is a common device in the prior art, and a plurality of transmission gears are arranged inside the reduction box 330, and the rotation speed is controlled by the transmission ratio between the transmission gears, so as to achieve the effect of speed reduction.

Preferably, the driving motor is a forward and reverse rotating motor. The positive and negative rotation motor ensures bidirectional switchable rotation of the driving motor.

Preferably, referring to fig. 2, two sets of second rolling bearings 600 are sleeved on the rotating shaft 210, the two sets of second rolling bearings 600 are respectively disposed at two ends of the rotating shaft 210 and abut against an inner wall of the mounting hole 101, the second rolling bearings 600 are axially fixed in the mounting hole 101 through a limiting member 700, and tangential stresses generated by mutual motion between the rotating shaft 210 and the mounting hole 101 can be effectively and respectively applied to the second rolling bearings 600, so that the bearing capacity of the rotating shaft 210 is improved, and the rotating shaft 210 is prevented from being broken.

Preferably, referring to fig. 1 and 2, the limiting member 700 is a circular nut 710 and a circular nut washer 720 which are matched with each other, the surface of the rotating shaft 210 may be threaded, and the circular nut 710 is fixed on the rotating shaft 210 through a threaded connection and abuts against the second femoral east bearing through the circular nut washer 720 so as to limit the horizontal movement freedom of the second rolling bearing 600. It should be noted that the limiting member 700 of the present invention is not limited to the structure of the round nut 710 and the round nut washer 720 in the present embodiment, and the limiting member 700 may also be other parts with limiting or fixing functions, such as a retaining ring.

In the description herein, references to the description of "some embodiments" mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An X-ray bed body rotating mechanism is characterized by comprising:

a base provided with a mounting hole;

one side of the gear disc is provided with a rotating shaft, the other side of the gear disc is connected with the bed body, and the rotating shaft is rotatably arranged in the mounting hole;

and the driving device is arranged on the base and comprises a gear shaft, and the gear shaft is arranged at the output end of the driving device and is meshed with the gear disc.

2. The X-ray bed rotating mechanism as claimed in claim 1, further comprising two sets of first rolling bearings, wherein the two sets of first rolling bearings are disposed on the gear shaft and disposed on two sides of the gear plate respectively.

3. The X-ray bed body rotating mechanism as claimed in claim 2, wherein a bearing seat is arranged on the base, one side of the bearing seat is open and sleeved on the gear shaft, and the first rolling bearing abuts against the inner wall of the bearing seat.

4. An X-ray bed rotation mechanism as claimed in claim 2 or 3 wherein the first rolling bearing is a deep groove ball bearing.

5. An X-ray bed rotation mechanism according to claim 1, wherein the drive means further comprises:

a drive motor;

a reduction gearbox;

the transmission belt is connected with the output shaft of the driving motor and the input shaft of the reduction box;

the gear shaft is arranged at the output end of the reduction gearbox.

6. An X-ray bed rotation mechanism according to claim 5 wherein the drive motor is a positive and negative rotation motor.

7. The X-ray bed body rotating mechanism as claimed in claim 1, further comprising a plurality of second rolling bearings, wherein the plurality of second rolling bearings are sleeved on the rotating shaft and abut against the inner wall of the mounting hole.

8. The X-ray bed rotating mechanism as claimed in claim 7, wherein the second rolling bearings comprise two sets, and the two sets of second rolling bearings are respectively disposed at the left and right ends of the rotating shaft.

9. The X-ray bed rotation mechanism according to claim 7 or 8, further comprising a limiting member fixed to the rotating shaft and adapted to abut against the second rolling bearing.

10. The X-ray bed rotation mechanism of claim 9, wherein the stop comprises a round nut and a round nut washer that mate with each other.