CN221770036U

CN221770036U - A CT tube flip test device

Info

Publication number: CN221770036U
Application number: CN202323179818.8U
Authority: CN
Inventors: 张宝刚
Original assignee: Weifang Yidu Central Hospital
Current assignee: Weifang Yidu Central Hospital
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-09-27
Anticipated expiration: 2033-11-24

Abstract

The utility model belongs to the technical field of CT bulb tube testing, and particularly relates to a turnover testing device for a CT bulb tube. Including the frame, install four lift electric cylinders in the frame, the lifter plate has been accepted jointly to four lift electric cylinders's output, installs revolving platform on the lifter plate, and revolving platform top bolt has the rotor plate, and the rotor plate downside bolt has gear motor, gear motor and revolving platform meshing, bolt has slide mechanism, auxiliary bracket on the rotor plate, and slide mechanism includes two slide plates, all installs the stand on the slide plate, all bearing connection has the pivot on the stand, all installs three-jaw chuck, cuff in the pivot, the welding has the backup pad on the cuff. The utility model can operate the clamping of CT bulb tubes of different types by a single person, can rotate the CT bulb tube in the horizontal direction, overturn the CT bulb tube in the vertical direction and lift the CT bulb tube in the vertical direction, has firm clamping, and can not cause the problems of winding cables and shielding test surfaces.

Description

Overturning testing device for CT bulb tube

Technical Field

The utility model belongs to the technical field of CT bulb tube testing, and particularly relates to a turnover testing device for a CT bulb tube.

Background

CT bulbs are an important component in Computed Tomography (CT) equipment, also known as X-ray tubes or emission tubes. The CT bulb is an electronic device that emits high-energy X-rays by an electron beam to perform tomographic scanning of a human body, thereby obtaining a three-dimensional image of the inside of the human body. After the CT bulb tube is assembled, a series of tests are required, overturning is required in the test process, and meanwhile, the radiation source emission origin of the CT bulb tube is ensured to be positioned at a fixed position. At present, when testing, the cable of the CT bulb tube is connected by manpower, one surface of the CT bulb tube is tested after the position of the CT bulb tube is fixed, the cable is required to be disassembled manually and then turned over when the CT bulb tube is required to be turned over, and the CT bulb tube has strong radioactivity when tested, so that the time and the labor are wasted when the CT bulb tube is turned over, and the efficiency is lower.

Aiming at the situation, the patent with the application number 201710162006.2 discloses a turnover testing platform for a CT bulb tube, which comprises a base, a horizontal rotating mechanism, a vertical turnover mechanism and a high-voltage power-on connector, and can realize the rapid clamping, the controllable turnover and lifting of the CT bulb tube in the horizontal and vertical directions, and can continuously complete the detection of various technical indexes and parameters of the CT bulb tube at one time, thereby effectively improving the detection efficiency. However, the patent has the following defects that the whole is unstable, the CT bulb tube is a precise instrument, the fixation firmness of the CT bulb tube is ensured during testing, but the patent is supported on a lifting rod, the lifting firmness is insufficient, and the CT bulb tube is easy to shake; the shell of the CT bulb tube is cylindrical or conical at two ends, and the two clamping arms of the patent obviously cannot well clamp the CT bulb tube, so that the CT bulb tube is easy to fall off during overturning; the CT bulb tube test needs to be connected with the cable, the problem of cable winding is not considered when the CT bulb tube test is overturned, and the cable is not restrained to cover the test surface, so that the test is influenced.

Disclosure of Invention

The utility model aims to provide a turnover testing device for a CT bulb tube, which aims to solve the problems in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a CT bulb tube's upset testing arrangement, which comprises a frame, install four lift cylinders in the frame, the lifter plate has been accepted jointly to the output of four lift cylinders, install rotary platform on the lifter plate, rotary platform top bolt has the rotor plate, rotor plate downside bolt has gear motor, gear motor and rotary platform meshing, the bolt has slide mechanism on the rotor plate, auxiliary bracket, slide mechanism includes two sliding plates, all install the stand on the sliding plate, all bearing connection has the pivot on the stand, all install three claw chuck in the pivot, the cuff, the welding has the backup pad on the cuff, the welding has the wire casing in the backup pad, one of them pivot one end is connected with the upset motor.

Further, a gear is arranged at the output end of the gear motor, a gear ring is arranged on the outer wall of one side of the rotary platform, which is close to the lifting plate, the gear is matched with the gear ring, and the gear motor is meshed with the rotary platform through the gear and the gear ring.

Further, the sliding mechanism further comprises a sliding rod, six shaft seats, four sliding blocks and four threaded blocks, wherein two groups of sliding blocks are bolted on two corners of one side of the bottom of the sliding plate, two groups of threaded blocks are bolted on two corners of the other side of the bottom of the sliding plate, the sliding blocks and the threaded blocks form a sliding assembly, the sliding rod is connected in the sliding blocks of the two sliding assemblies and the three shaft seats in a penetrating manner, and one sliding assembly is connected on the sliding rod between two adjacent shaft seats in a penetrating manner.

Further, the sliding mechanism further comprises a threaded rod and a sliding motor, the threaded rod is connected in threaded blocks of two sliding assemblies and the other three shaft seats in a penetrating manner, one sliding assembly is connected to the threaded rod between two adjacent shaft seats in a penetrating manner, and one end of the threaded rod is connected with the output end of the sliding motor.

Further, the threaded rod is provided with a positive thread and a reverse thread, and the directions of the threads of the positive thread and the reverse thread are opposite, so that the sliding motor can drive the two sliding assemblies to synchronously slide relatively or slide reversely when rotating.

Further, a through hole is formed in the sliding block, the sliding block is connected in the through hole in a penetrating mode, a thread hole is formed in the thread block, and the positive thread and the negative thread on the threaded rod are connected with the thread hole in a threaded mode.

Further, the auxiliary bracket is arc-shaped, and the convex side of the auxiliary bracket is connected with a lifting electric cylinder, and the auxiliary bracket is arranged on the sliding plate through the lifting electric cylinder.

Further, a plurality of cover bodies are hinged on the wire groove, a plurality of threading holes are formed in the wire groove and the cover bodies, the threading holes are semicircular, the threading holes on the wire groove and the cover bodies correspond to each other, and after the cover bodies are covered, the threading holes on the wire groove and the cover bodies form a circle.

Further, after the wire slot is bent and extended, the central axis of the tail end of the wire slot is flush with the central axis of the rotating shaft.

The utility model has the following beneficial effects:

1. The utility model can operate the clamping of CT bulb tubes of different types by a single person, can rotate the CT bulb tube in the horizontal direction, overturn the CT bulb tube in the vertical direction and lift the CT bulb tube in the vertical direction, has firm clamping, and can not cause the problems of winding cables and shielding test surfaces.

2. The CT bulb tube is clamped through the three-jaw chuck, the clamping firmness is strong, the condition that the CT bulb tube falls off cannot occur, the adjustment can be carried out according to the diameter of the CT bulb tube, and the clamping device is suitable for clamping CT bulb tubes with different diameters.

3. The two three-jaw chucks are synchronously far away or close to each other through the sliding mechanism, so that clamping of CT bulb tubes with different lengths is adapted, and the distances between the two three-jaw chucks and the set point are always kept the same.

4. The cable is received through the wire casing, and the cable can not twine on CT bulb when overturning, also can not shelter from the test surface.

5. The lifting and bearing are carried out through the four lifting electric cylinders, so that the stability is high, and the shaking condition can not occur.

6. Horizontal rotation is realized through the rotary platform with larger contact area and the gear motor, so that the overall stability is further improved, and the shaking condition can not occur.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram showing the sliding mechanism of the present utility model in a disassembled state.

Fig. 3 is a schematic structural view of the present utility model when clamping a cylindrical CT bulb.

FIG. 4 is a schematic view of the present utility model when clamping a cone-shaped CT bulb.

Fig. 5 is a schematic view of the structure of the cable of the present utility model spirally wound in advance.

Wherein: 1. a frame; 2. lifting electric cylinders; 3. a lifting plate; 4. a rotary platform; 5. a speed reducing motor; 6. a gear; 7. a gear ring; 8. a rotating plate; 9. a sliding plate; 10. a slide bar; 11. a shaft seat; 12. a slide block; 13. a through hole; 14. a screw block; 15. a wire hole; 16. a threaded rod; 17. a positive thread; 18. a reverse thread; 19. a slide motor; 20. an auxiliary bracket; 21. lifting an electric cylinder; 22. a wire slot; 23. a cover body; 24. a threading hole; 25. a three-jaw chuck; 26. a ferrule; 27. a support plate; 28. a turnover motor; 29. a rotating shaft; 30. a column; CT bulb tube; 32. a cable.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a turnover testing device for a CT bulb tube comprises a frame 1, four lifting electric cylinders 2 are installed on the frame 1, lifting plates 3 are jointly supported by output ends of the four lifting electric cylinders 2, a rotary platform 4 is installed on the lifting plates 3, a rotary plate 8 is bolted above the rotary platform 4, a gear motor 5 is bolted below the rotary plate 8, the gear motor 5 is meshed with the rotary platform 4, a sliding mechanism and an auxiliary bracket 20 are bolted on the rotary plate 8, the sliding mechanism comprises two sliding plates 9, upright posts 30 are installed on the sliding plates 9, rotating shafts 29 are connected on the upright posts 30 in a bearing manner, three-jaw chucks 25 and hoops 26 are installed on the rotating shafts 29, support plates 27 are welded on the hoops 26, a wire slot 22 is welded on the support plates 27, and one end of one rotating shaft 29 is connected with a turnover motor 28.

The gear 6 is installed to gear motor 5 output, is equipped with ring gear 7 on the outer wall of one side of revolving platform 4 near lifter plate 3, and gear 6 cooperatees with ring gear 7, and gear motor 5 passes through gear 6, ring gear 7 meshing with revolving platform 4. When the gear motor 5 starts to start, the gear 6 rotates around the gear ring 7, thereby driving the rotating plate 8, i.e., the central shaft of the rotary platform 4, to rotate as an axis, and thus realizing the horizontal rotation of the rotating plate 8.

The sliding mechanism further comprises a sliding rod 10, six shaft seats 11, four sliding blocks 12 and four threaded blocks 14, wherein two groups of sliding blocks 12 are bolted on two corners of one side of the bottom of the sliding plate 9, two groups of threaded blocks 14 are bolted on two corners of the other side of the bottom of the sliding plate 9, the sliding blocks 12 and the threaded blocks 14 form a sliding assembly, the sliding rod 10 is connected in the sliding blocks 12 and the three shaft seats 11 of the two sliding assemblies in a penetrating manner, and the sliding rod 10 between the two adjacent shaft seats 11 is connected in a penetrating manner with a sliding assembly. The purpose of the sliding is to move the two three jaw chucks 25 closer or farther apart to accommodate CT bulbs 31 of different lengths. The three jaw chuck 25 is capable of holding cylinders of different diameters to accommodate CT bulbs 31 of different diameters.

The sliding mechanism further comprises a threaded rod 16 and a sliding motor 19, wherein the threaded rod 16 is connected in the threaded block 14 of two sliding assemblies and the other three shaft seats 11 in a penetrating way, one sliding assembly is connected on the threaded rod 16 between two adjacent shaft seats 11 in a penetrating way, and one end of the threaded rod 16 is connected with the output end of the sliding motor 19. When the sliding motor 19 works, the threaded rod 16 rotates, and the threads on the threaded rod 16 are matched with the threads in the threaded hole 15 of the threaded block 14 so as to drive the sliding plate 9 to slide on the sliding rod 10. The threaded rod 16 can drive the sliding plate 9 to slide under the drive of the sliding motor 19.

The threaded rod 16 is provided with a positive thread 17 and a negative thread 18, and the directions of the threads of the positive thread 17 and the negative thread 18 are opposite, so that the sliding motor 19 drives the two sliding components to synchronously slide relatively or reversely when rotating. The purpose of the positive thread 17 and the negative thread 18 is to reverse the sliding direction of the two threaded blocks 14 when the sliding motor 19 is operated, so that the three-jaw chuck 25 carried by the two threaded blocks moves toward or away from each other, and the three-jaw chuck 25 moves toward or away from the two ends of the CT bulb 31.

The slider 12 is provided with a through hole 13, the slider 12 is connected in the through hole 13 in a penetrating way, the thread block 14 is provided with a thread hole 15, and the positive thread 17 and the negative thread 18 on the threaded rod 16 are connected with the thread hole 15 in a threaded way.

The auxiliary bracket 20 is arc-shaped, one side of the auxiliary bracket 20 protruding is connected with a lifting cylinder 21, and the auxiliary bracket 20 is mounted on the sliding plate 9 through the lifting cylinder 21. The purpose of the lifting cylinder 21 is that the process of clamping the CT bulb 31 on the three-jaw chuck 25 is usually completed by two persons, because one person cannot simultaneously clamp the two ends of the CT bulb 31, the CT bulb 31 is placed on the auxiliary bracket 20 by lifting the lifting cylinder 21, and then the three-jaw chuck 25 is moved to be positioned at the two ends of the CT bulb 31, so that the clamping of the two ends of the CT bulb 31 can be completed by a single person.

The wire slot 22 is hinged with a plurality of cover bodies 23, the wire slot 22 and the cover bodies 23 are respectively provided with a plurality of threading holes 24, the threading holes 24 are semicircular, the positions of the threading holes 24 on the wire slot 22 and the cover bodies 23 are corresponding, and after the cover bodies 23 are covered, the threading holes 24 on the wire slot 22 and the cover bodies 23 form a circle. The threading hole 24 is used for threading the cable 32 into the wire slot 22, and after the wire slot 22 receives the cable 32, the cable 32 is prevented from being wound on the CT bulb 31 or shielded on the test surface during the overturning operation.

After the wire slot 22 is bent and extended, the central axis of the tail end of the wire slot 22 is flush with the central axis of the rotating shaft 29.

The working principle of the utility model is as follows:

When the three-jaw chuck is used, the CT bulb tube 31 is placed on the auxiliary bracket 20, the two lifting cylinders 21 are arranged to synchronously lift, the lifting cylinders 21 are started, the central shaft of the CT bulb tube 31 is enabled to be approximately flush with the central shaft of the three-rotation chuck, the sliding motor 19 is started, the distance between the two three-jaw chucks 25 is adjusted according to the length of the CT bulb tube 31, and as half of the threads on the threaded rod 16 are positive threads 17 and half of the threads are reverse threads 18, the three-jaw chucks 25 are enabled to move in opposite directions or move in opposite directions after the sliding motor 19 is started, and the three-jaw chucks 25 are simultaneously close to or far away from two ends of the CT bulb tube 31. The CT bulb 31 is properly adjusted so that its source point is on the vertical plane of the set point, and the three-jaw chuck 25 is tightened so that it grips the CT bulb 31. The cable 32 is attached to the CT bulb 31 and the cover 23 is opened, the cable 32 is placed in the wire slot 22 through the threading hole 24, and then the cover 23 is fixed with the wire slot 22 with a strap. The lifting of the CT bulb 31 is achieved by opening the lifting cylinder 2, so that the ray source of the CT bulb 31 is located at the set point, and the preparation work for testing is finished.

When horizontal rotation is needed in the test process, the gear motor 5 is started, and the gear 6 rotates around the gear ring 7, so that the central shaft of the rotary plate 8, namely the rotary platform 4, is driven to rotate as an axis, and the horizontal rotation of the CT bulb tube 31 is realized. When the vertical direction is required to be turned over, the turning motor 28 is started, so that the vertical turning of the CT bulb tube 31 is realized, and the turning stroke is set, otherwise, the wire slot 22 is blocked by the upright post 30, the normal turning angle is 180 degrees, one surface is turned over for testing the other surface after the test, the radiation source point is deviated in the vertical direction after the turn, and the test is continued after the height is adjusted by the lifting electric cylinder 2. If the recovery is needed, the reverse direction is reversed. In the overturning process, the cable 32 is stored in the wire slot 22, the tail end of the wire slot 22 is positioned on the central axis of the rotating shaft 29, and the wire slot 22 is fixed on the rotating shaft 29 through the supporting plate 27, so that the cable 32 can be overturned at the same time, and therefore, the cable 32 can not be wound on the CT bulb tube 31 and can not cover the test surface.

As shown in fig. 5, it is noted that a plurality of wires 32 are spirally wound 1-2 turns in advance at the outer end of the wire chase 22 before wiring, so that when the wire chase 22 is turned in the arrow direction, the winding of the wires 32 caused by the turning can be released. And reserves a sufficient length of the cable 32 to prevent the cable 32 from being dragged when turned horizontally.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the utility model, which are made by those skilled in the art, are included in the protection scope of the utility model without departing from the design concept of the utility model.

The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims

1. The utility model provides a CT bulb's upset testing arrangement, a serial communication port, which comprises a frame, install four lift electric cylinders in the frame, the lifter plate has been accepted jointly to the output of four lift electric cylinders, install rotary platform on the lifter plate, rotary platform top bolt has the rotor plate, rotor plate downside bolt has gear motor, gear motor and rotary platform meshing, the bolt has slide mechanism, auxiliary bracket on the rotor plate, slide mechanism includes two sliding plates, all install the stand on the sliding plate, all bearing connection has the pivot on the stand, all install three claw chuck, the cuff in the pivot, the welding has the backup pad on the cuff, the welding has the wire casing in the backup pad, one of them pivot one end is connected with upset motor.

2. The overturning testing device for the CT bulb tube according to claim 1, wherein a gear is arranged at the output end of the speed reducing motor, a gear ring is arranged on the outer wall of one side of the rotary platform, which is close to the lifting plate, the gear is matched with the gear ring, and the speed reducing motor is meshed with the rotary platform through the gear and the gear ring.

3. The turnover testing device of the CT bulb tube according to claim 1, wherein the sliding mechanism further comprises a sliding rod, six shaft seats, four sliding blocks and four screw blocks, two groups of sliding blocks are bolted on two corners of one side of the bottom of the sliding plate, two groups of screw blocks are bolted on two corners of the other side of the bottom of the sliding plate, the sliding blocks and the screw blocks form a sliding assembly, the sliding rod is connected in the sliding blocks and the three shaft seats of the two sliding assemblies in a penetrating manner, and one sliding assembly is connected on the sliding rod between two adjacent shaft seats in a penetrating manner.

4. The turnover testing device of CT bulb tube of claim 3, wherein the sliding mechanism further comprises a threaded rod and a sliding motor, the threaded rod is connected in the threaded block of two sliding assemblies and the other three shaft seats in a penetrating way, one sliding assembly is connected in a penetrating way on the threaded rod between two adjacent shaft seats, and one end of the threaded rod is connected with the output end of the sliding motor.

5. The turnover testing device of CT bulb of claim 4, wherein the threaded rod is provided with a positive thread and a negative thread, and the directions of the threads of the positive thread and the negative thread are opposite to each other, so that the sliding motor drives the two sliding components to slide synchronously or reversely when rotating.

6. The turnover testing device of CT bulb of claim 5, wherein the slide block has a through hole, the slide block is inserted into the through hole, the screw block has a screw hole, and the screw rod has a positive screw and a negative screw.

7. The turnover testing device of CT bulb tube of claim 1, wherein the auxiliary bracket is arc-shaped, a lifting cylinder is connected to a convex side of the auxiliary bracket, and the auxiliary bracket is mounted on the sliding plate through the lifting cylinder.

8. The turnover testing device of the CT bulb tube according to claim 1, wherein a plurality of cover bodies are hinged on the wire groove, a plurality of threading holes are formed in the wire groove and the cover bodies, the threading holes are semicircular, the threading holes in the wire groove and the cover bodies correspond to each other, and after the cover bodies are covered, the threading holes in the wire groove and the cover bodies form a circle.

9. The turnover testing device of CT bulb tube of claim 1, wherein after said wire slot is bent and extended, the central axis of the tail end of the wire slot is flush with the central axis of the rotating shaft.