CN216717806U

CN216717806U - CT machine turntable bearing test frame

Info

Publication number: CN216717806U
Application number: CN202122945344.8U
Authority: CN
Inventors: 焦鹏
Original assignee: Shanghai Renben Group Bearing Technology R & D Co ltd; C&U Co Ltd
Current assignee: Shanghai Renben Group Bearing Technology R & D Co ltd; C&U Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-10
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a test stand for a turntable bearing of a CT (computed tomography) machine, which comprises a test platform, wherein a first support, a mounting plate, a rotating disc and a motor are arranged on the test platform, the mounting plate and the rotating disc can be respectively connected with an outer ring and an inner ring of a bearing to be tested, the rotating disc is in transmission connection with the motor, the mounting plate can swing or be positioned on the first support, a rotating shaft is arranged on the rotating disc in an extending manner, and a hanging ring used for bearing a load is arranged at the tail end of the rotating shaft. Aiming at the defects of the prior art, the utility model provides the CT machine turntable bearing test stand capable of better simulating the actual use working condition.

Description

CT machine turntable bearing test frame

Technical Field

The utility model relates to a test stand for a turntable bearing of a CT machine.

Background

The CT machine is a medical device that performs scanning imaging on one or more parts of a human body by using detectors including X-rays and gamma-rays, and the device is more used in daily disease diagnosis and treatment along with the increase of population average age and the improvement of technological level, but the CT machine is the most important detector, and besides, the turntable bearing for forming the rotational support of the CT machine shell and the scanning frame is also very critical, and affects the stability and sound condition of the overall operation of the CT machine, therefore, before the CT machine turntable bearing leaves factory, the bearing must be tested in aspects of service life, noise and the like, for this reason, the chinese utility model (20557358. X) discloses a test system of the CT machine turntable bearing, which comprises a vertical plate, a counterweight rotor and various detection devices, wherein the vertical plate is fixed with the outer ring of the bearing to be tested, the counterweight rotor is connected with the inner ring of the bearing to be tested, and the counter weight rotor passes through the belt pulley and is connected with motor drive, in the test process, after opening the motor, the counter weight rotor impels the bearing inner race that awaits measuring to rotate under the drive of belt pulley, and the corresponding work that begins of all kinds of detection device, the operating mode of the bearing that awaits measuring is kept watch on, however, the riser among this technical scheme is rigid, and CT machine is in the operation in-process of reality, can need repeatedly to present the upset slope of certain angle during its inside scanning frame, unable fine actual operating condition environment of pressing close to is unfavorable for the bearing that awaits measuring to carry out including noise measurement, the durable aassessment of relevant performance such as life-span and the collection of data.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the CT machine turntable bearing test stand capable of better simulating the actual use working condition.

In order to achieve the purpose, the utility model provides a test stand for a turntable bearing of a CT machine, which comprises a test platform, wherein the test platform is provided with a first support, a mounting plate, a rotating disc and a motor, the mounting plate and the rotating disc can be respectively connected with an outer ring and an inner ring of a bearing to be tested, the rotating disc is in transmission connection with the motor, the mounting plate can swing or be positioned on the first support, a rotating shaft is arranged on the rotating disc in an extending manner, and a hanging ring used for bearing load is arranged at the tail end of the rotating shaft.

The technical scheme has the advantages that: the testing platform is provided with the first support, the mounting plate, the rotating disc and the motor, the first support and the mounting plate are connected in a swinging mode, the mounting plate can be switched to swing or positioned, a bearing to be tested on the mounting plate is adjusted to any angle, particularly the front and back positions are 30 degrees, the running working condition of the bearing to be tested in the CT machine can be well attached, and the performance of the bearing to be tested and the accuracy of collected corresponding data are guaranteed.

The utility model may further be arranged to: the connecting block is provided with an arc-shaped guide groove, and the guide convex column is slidably inserted into the arc-shaped guide groove.

Through further setting, be provided with connecting block and direction projection between first support and mounting panel to through the cooperation of arc guide slot and direction projection in the connecting block, to the swing formation direction of mounting panel and the support of certain degree.

The utility model may further be arranged to: the fixing block is arranged between the first support and the mounting plate, the fixing block and the connecting block are arranged oppositely, and screw holes for bolts to penetrate through are formed in the fixing block and the connecting block.

Through further setting, can carry out the swing back of certain angle to the mounting panel, through fixed block and the connecting plate of relative setting between fixed first support and the mounting panel, form the location of mounting panel, when carrying out several special position, the operation test when like vertical position, preceding/back 30 position departments.

The utility model may further be arranged to: the mounting panel including through-hole and connecting seat, the connecting seat can dismantle a side end face department of setting at the mounting panel, and the connecting seat supplies the bearing outer race installation setting that awaits measuring, the second support be located the opposite side department of mounting panel, the one end of pivot is located a side end face department of mounting panel and is connected with the rolling disc, the other end of pivot extends towards the second support through passing the through-hole.

By further arrangement, the connecting seat for mounting the outer ring of the bearing to be tested is detachably arranged at one side of the mounting plate, so that the outer ring of the bearing to be tested can be conveniently adjusted and replaced to the corresponding connecting seat according to the specific specification of the bearing to be tested; the second disc part and the motor need to be driven by a belt, and the lifting ring at the lower end of the rotating shaft needs to be connected with a steel cable to form a loading load for the bearing to be tested, so that the second disc part and the rotating shaft are respectively arranged at two sides of the mounting plate, and abdication is convenient to form.

The utility model may further be arranged to: the rotating disc comprises a first disc part and a second disc part, a first ring surface and a second ring surface are arranged on the first disc part, the cross sections of the first ring surface and the second ring surface are perpendicularly connected, the first ring surface is inserted into an inner hole of a bearing inner ring to be tested, the second ring surface is abutted to the end face of the bearing inner ring to be tested, the second disc part and a rotating shaft are fixed to the two sides of the first disc part respectively and are arranged concentrically with the first disc part, the diameter of the second disc part is smaller than that of the first disc part, and a ring tooth part matched with a belt in a transmission mode is arranged on the peripheral wall of the second disc part.

By further arrangement, the first ring surface and the second ring surface of the first disc part are respectively matched with the inner hole wall and the side end surface of the bearing inner ring to form positioning with the bearing inner ring to be detected; a second disk part with a diameter smaller than that of the first disk part is arranged, and the ring tooth part on the second disk part and the output end of the motor form transmission through a belt.

The utility model may further be arranged to: the lower extreme department of mounting panel is provided with and extends the frame, the motor setting in extending the frame, the output of motor extends to the second portion under.

Through further setting, because the second dish portion sets up on the mounting panel, the mounting panel also can swing thereupon at the in-process second dish portion of wobbling, consequently, need set up the motor on the extension frame of mounting panel below, make motor and output and second dish portion take place synchronous with the motion of angle to avoid the belt to take place the upset.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention 1;

FIG. 2 is a perspective view of an embodiment of the present invention 2;

FIG. 3 is a top view of an embodiment of the present invention in use;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion a of FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a schematic view of the first bracket, the fixing block and the connecting block according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a rotating disk according to an embodiment of the present invention;

wherein: a test platform 1; a first bracket 11; a guide boss 111; a fixed block 112; a mounting plate 2; a connecting block 21; an arc-shaped guide groove 211; a through hole 22; a connecting seat 23; an extension frame 24; a turn disc 3; a rotating shaft 31; a hanging ring 32; a shell portion 33; the first disk portion 34; a first annulus 341; a second ring surface 342; a second disk portion 35; the ring gear portions 351; a motor 4; a bearing 5 to be tested; an outer ring 51; the inner race 52; the component 6 is loaded.

Detailed Description

The embodiment of the utility model relates to a CT machine turntable bearing test stand, which is shown in figures 1-7: including test platform 1, test platform 1 on be provided with first support 11, mounting panel 2, rolling disc 3 and motor 4, mounting panel 2 and rolling disc 3 can be connected with bearing 5 outer lane 51 and inner circle 52 that awaits measuring respectively, rolling disc 3 and motor 4 between the transmission be connected, mounting panel 2 can swing or fix a position on first support 11, the pivot 31 of extension setting of rolling disc 3, the terminal department of pivot 31 be provided with the rings 32 that are used for bearing load, the terminal cover of pivot 31 be equipped with shell 33, pivot 31 and shell 33 between rotate the support through the bearing, rings 32 connect on shell 33, in the drawing of this embodiment, the bearing 5 that awaits measuring is only the signal. First support 11 on be provided with direction projection 111, mounting panel 2 on be provided with connecting block 21, connecting block 21 on set up arc guide slot 211, direction projection 111 slide and insert and establish among arc guide slot 211, arc guide slot 211 can supply direction projection 111 before/after swing 30 settings, be convenient for better simulation CT machine's actual operating conditions, according to CT machine's adjustment, improvement needs of course, the amplitude of oscillation also can be suitable reduce or increase, corresponding modification arc guide slot 211's length to the adjustment amplitude of oscillation. Still be provided with fixed block 112 on the first support 11, fixed block 112 and connecting block 21 the relative setting in position, fixed block 112 and connecting block 21 on all be provided with the screw that can supply the bolt to wear to establish, in this implementation, the screw on fixed block 112 and the connecting block 21 all is a plurality of, is convenient for mounting panel 2 to the location of mounting panel 2 when swinging to being different angles with first support 11. Mounting panel 2 including through-hole 22 and connecting seat 23, connecting seat 23 can dismantle a side end face department that sets up at mounting panel 2, connecting seat 23 is connected with mounting panel 2 through the screw that circumference was arranged on it, and then be provided with the cyclic annular screw area of a plurality of concentric settings on mounting panel 2, the different mounting panel 2 of adaptation and the bearing 5 that awaits measuring that corresponds of being convenient for, and connecting seat 23 supplies the bearing outer lane 51 installation setting that awaits measuring, second support 12 be located mounting panel 2 opposite side department, a side end face department that the one end of pivot 31 is located mounting panel 2 is connected with rolling disc 3, and the other end of pivot 31 extends towards second support 12 through passing through-hole 22. The rotating disc 3 comprises a first disc part 34 and a second disc part 35, a first ring surface 341 and a second ring surface 342 are arranged on the first disc part 34, the cross sections of the first ring surface 341 and the second ring surface 342 are vertically connected, the first ring surface 341 is inserted into an inner hole of the bearing inner ring 52 to be measured, the second ring surface 342 is abutted against the end surface of the bearing inner ring 52 to be measured, the second disc part 35 and the rotating shaft 31 are respectively fixed at two sides of the first disc part 34 and are concentrically arranged with the first disc part 34, the diameter of the second disc part 35 is smaller than that of the first disc part 34, and a ring tooth part 351 used for being in transmission fit with a belt is arranged on the peripheral wall of the second disc part 35. The lower extreme department of mounting panel 2 is provided with extension frame 24, motor 4 set up in extension frame 24, specifically the spiro union is fixed in extending the frame, motor 4's output extends to second dish portion 35 under, the belt is cyclic annular, constitutes the cup joint of ring teeth portion 351 and motor 4 output on second dish portion 35, because the belt is conventional setting, does not indicate the belt in the drawing of this embodiment. The CT machine turntable bearing test frame of the embodiment is also provided with a loading assembly 7 for applying load to the hanging ring 32 in actual use.

The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a CT machine carousel bearing test stand, including mounting panel, rolling disc and motor, mounting panel and rolling disc can be connected with bearing inner race and the inner circle that awaits measuring respectively, rolling disc and motor between the transmission be connected its characterized in that: the device comprises a test platform, wherein a first support is arranged on the test platform, a mounting plate can swing or be positioned on the first support, a rotating shaft is arranged on the rotating disc in an extending manner, and a hanging ring used for bearing load is arranged at the tail end of the rotating shaft.

2. The CT machine turntable bearing test stand of claim 1, wherein: the connecting block is provided with an arc-shaped guide groove, and the guide convex column is slidably inserted into the arc-shaped guide groove.

3. The CT machine turntable bearing test stand of claim 2, wherein: the fixing block is arranged between the first support and the mounting plate, the fixing block and the connecting block are arranged oppositely, and screw holes for bolts to penetrate through are formed in the fixing block and the connecting block.

4. The CT machine turntable bearing test stand of claim 1, 2 or 3, wherein: the mounting panel including through-hole and connecting seat, the connecting seat can dismantle a side end face department of setting at the mounting panel, and the connecting seat supplies the bearing outer race installation setting that awaits measuring, the second support is located the opposite side department of mounting panel, the one end of pivot is located a side end face department of mounting panel and is connected with the rolling disc, the other end of pivot extends towards the second support through passing the through-hole.

5. The CT machine turntable bearing test stand of claim 1, 2 or 3, wherein: the rotating disc comprises a first disc part and a second disc part, a first ring surface and a second ring surface are arranged on the first disc part, the cross sections of the first ring surface and the second ring surface are perpendicularly connected, the first ring surface is inserted into an inner hole of a bearing inner ring to be tested, the second ring surface is abutted to the end face of the bearing inner ring to be tested, the second disc part and a rotating shaft are fixed to the two sides of the first disc part respectively and are arranged concentrically with the first disc part, the diameter of the second disc part is smaller than that of the first disc part, and a ring tooth part matched with a belt in a transmission mode is arranged on the peripheral wall of the second disc part.

6. The CT machine turntable bearing test stand of claim 5, wherein: the lower extreme department of mounting panel is provided with and extends the frame, the motor setting in extending the frame, the output of motor extends to the second disk portion under.