CN212048497U - Quick locking device of CT rotor - Google Patents
Quick locking device of CT rotor Download PDFInfo
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- CN212048497U CN212048497U CN202020249521.1U CN202020249521U CN212048497U CN 212048497 U CN212048497 U CN 212048497U CN 202020249521 U CN202020249521 U CN 202020249521U CN 212048497 U CN212048497 U CN 212048497U
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Abstract
The utility model provides a CT rotor quick locking device, including base and both ends opening and hollow support column, the upper portion and the lower part of support column are equipped with the internal thread and two screw threads are opposite, the lower part threaded connection of support column has lower screw rod, upper portion threaded connection has an upper screw rod, the one end rigid coupling that the support column was kept away from to lower screw rod has the stopper, set up the spacing groove that is used for holding the stopper on the base, from supreme spacing nut who is connected with upper screw rod threaded connection, the movable block of cover on the upper screw rod and the fixed block with upper screw rod rigid coupling of having been equipped with down on the upper screw rod in proper order, the both sides of movable block are rotated and are connected with the rocking arm, the one end that the movable block was kept; has the advantages that: the support and the bearing protection of the CT rotor are realized through the matching of two screw rods with opposite threads and the support columns; utilize colluding type rocking arm and limit nut to inject holding power, replace using torque wrench to inject holding power in the prior application, greatly reduced the cost.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a quick locking device of CT rotor.
Background
CT needs a device to fix the rotor in the transportation, avoids rotor bearing to damage at the in-process of jolting, causes great loss, and rotor fixing device also needs to control well to the support dynamics of rotor moreover, and too big bad bearing of easy top plays the effect that can not protect the bearing too for a short time, especially to on-vehicle CT, and rotor locking device needs frequent dismouting, therefore the device still need have certain dismouting convenience.
In the prior application CN 208931962U of the present applicant, a CT rotor locking and supporting device is disclosed, as shown in fig. 1, a base is used to be fixed on a CT stator base 27, two supporting seats 23 are provided on the base, two screws 25 are in threaded connection with a fixing plate 24, the two screws are used to fix the fixing plate 24 to a rotor, when in use, the two screws 25 are screwed downwards until the two supporting seats 23 are abutted, and then the two screws 25 are screwed by a torque wrench, so that the fixing plate 24 is moved upwards and the rotor is jacked up until a predetermined torque is reached. Although this scheme has been close the support and the guard action of rotor in the transportation, because the dismouting part is more, the operation is comparatively loaded down with trivial details, during the use simultaneously, needs supporting torque wrench (be used for setting for torsion) to use, has increased use cost, in addition, because the confining force between screw rod 25 and the supporting seat 23 is not enough, in the transportation, can produce the phenomenon that the rotor upwards jumped.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, an object of the present invention is to provide a fast locking device for a CT rotor, which increases the convenience of assembly, disassembly and use on the basis of achieving the effect of the prior art.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the utility model provides a quick locking device of CT rotor, includes base and both ends opening and hollow support column, and the upper portion and the lower part of support column are equipped with internal thread and two screw threads are opposite, and the lower part threaded connection of support column has lower screw rod, and upper portion threaded connection has an upper screw rod, the one end rigid coupling that the support column was kept away from to lower screw rod has the stopper, offers the spacing groove that is used for holding the stopper on the base, follow supreme stop nut who is equipped with in proper order with upper screw rod threaded connection, the movable block of cover on the upper screw rod and the fixed block with upper screw rod rigid coupling down on the upper screw rod, the both sides of movable block are rotated and are connected with the rocking arm, and the one end that the movable block was kept.
Further, the support column is an outer hexagonal column.
Furthermore, a first through hole is formed in the base, and a first connecting screw connected with the CT stator base is arranged in the first through hole.
Furthermore, a second through hole is formed in the fixing block, and a second connecting screw connected with the CT rotor is arranged in the second through hole.
Furthermore, the two sides of the movable block are provided with a first notch, the side walls of the two sides of the first notch are provided with a first mounting hole, one end of the rocker arm, which is close to the movable block, is provided with a third through hole, an upper pin shaft is arranged in the third through hole, and the two ends of the upper pin shaft, which penetrate out of the third through hole, are respectively connected with the first mounting holes on the two sides of the first notch.
Furthermore, the rod part comprises a second notch arranged on two sides of the base, two mounting holes are formed in side walls of two sides of the second notch, a lower pin shaft is connected between the two mounting holes, and the hook part of the rocker arm is hooked and pulled on the lower pin shaft.
Furthermore, the middle part of the movable block is provided with a fourth through hole, the upper screw penetrates through the fourth through hole, and the caliber of the fourth through hole is smaller than the outer diameter of the limit nut.
Furthermore, a through screw hole is formed in the side wall of the limiting nut, and a fastening screw used for being abutted to the upper screw rod is arranged on the screw hole.
Furthermore, the anti-twisting rod with a non-circular cross section is included, a third mounting hole matched with the cross section of the anti-twisting rod is formed in each of the upper screw rod and the lower screw rod, the lower end of the anti-twisting rod is inserted into the third mounting hole in the lower screw rod, and the upper end of the anti-twisting rod is inserted into the third mounting hole in the upper screw rod.
Furthermore, the mounting hole III is a waist-shaped hole, and the section of the anti-twisting rod is rectangular.
The utility model has the advantages that:
1. the support of the CT rotor and the protection of a bearing are realized through the matching of two screw rods with opposite threads and a support column;
2. the supporting force is limited by the hook-shaped rocker arm and the limiting nut, so that the supporting force is limited by a torque wrench in the prior application, and the cost is greatly reduced;
3. the hooking action of the hook-shaped rocker arm is used for limiting the upward jumping of the rotor in the bumping process of the vehicle on one hand, and the assembling and disassembling steps of the locking device can be simplified on the other hand.
Drawings
FIG. 1 is a schematic diagram of a prior art CT rotor lock support structure;
fig. 2 is a schematic three-dimensional structure in an embodiment of the present invention;
FIG. 3 is a schematic view of the rocker arm of FIG. 2 with the hook portion disengaged from the lower pin;
FIG. 4 is a schematic view of the fit relationship between the anti-twist rod and the upper and lower screws;
FIG. 5 is a schematic diagram of the engagement relationship between the CT rotor and stator and the locking device of the embodiment;
description of the reference symbols
The support comprises a base 1, a support column 2, a lower screw rod 3, an upper screw rod 4, a limiting block 5, a limiting groove 6, a limiting nut 7, a movable block 8, a fixed block 9, a rocker arm 10, a hook part 11, a mounting hole III 12, a through hole I13, a through hole II 14, a connecting screw II 15, a through hole IV 16, an anti-twisting rod 17, a set screw 18, a notch I19, a notch II 20, an upper pin shaft 21, a lower pin shaft 22, a support seat 23, a fixing plate 24, a screw rod 25, a CT rotor 26 and a CT stator base 27.
Detailed Description
The present invention will be described in further detail with reference to examples.
The embodiment provides a quick locking device of a CT rotor, as shown in fig. 2 and 3, the quick locking device comprises a base 1 and a hollow support column 2 with openings at two ends, the support column 2 is an outer hexagonal column, the upper part and the lower part of the support column 2 are provided with internal threads, the two threads are opposite, the lower part of the support column 2 is in threaded connection with a lower screw rod 3, the upper part of the support column 2 is in threaded connection with an upper screw rod 4, and the threads of the upper screw rod 4 and the lower screw rod 3 are opposite due to the opposite threads of the two internal. Lower screw rod 3 keeps away from the one end rigid coupling of support column 2 has stopper 5, offers the spacing groove 6 that is used for holding stopper 5 on the base 1, upward 4 upper screw rods from supreme stop nut 7, the cover that is equipped with in proper order with last screw rod 4 threaded connection on last screw rod 4 movable block 8 and with the fixed block 9 of last screw rod 4 rigid coupling down, the both sides of movable block 8 are rotated and are connected with rocking arm 10, and the one end that 8 movable block was kept away from to rocking arm 10 is equipped with colludes portion 11, the both sides of base 1 are equipped with and are used for being hooked the pole portion of drawing by colluding portion 11.
During the installation, base 1 is used for being connected with the CT stator, and base 1 can be connected with CT stator welded connection, and as preferred, set up through-hole 13 on this embodiment base 1, be equipped with in the through-hole 13 with CT stator base 27 be connected connecting screw one, can not influence the CT operation after base 1 installation is accomplished, so need not to dismantle again. The fixing block 9 is used for being connected with the CT rotor 26, a second through hole 14 is formed in the fixing block 9, and a second connecting screw 15 connected with the CT rotor 26 is arranged in the second through hole 14.
The specific structure of the rocker arm 10 is as follows: a first gap 19 is formed in each of two sides of the movable block 8, a first mounting hole is formed in each of the side walls of each of two sides of the first gap 19, a third through hole is formed in one end, close to the movable block 8, of the rocker arm 10, an upper pin shaft 21 is arranged in each through hole, and two ends, penetrating out of each through hole third, of each upper pin shaft 21 are respectively connected with the first mounting holes in the two sides of the first gap 19; the rod part of the base 1 comprises a second notch 20 arranged on two sides of the base 1, two mounting holes are formed in side walls of two sides of the second notch 20, a lower pin shaft 22 is connected between the two mounting holes, and the hook part 11 of the rocker arm 10 is hooked and pulled on the lower pin shaft 22.
Four 16 through-holes have been seted up at the middle part of this embodiment movable block 8, it passes four 16 through-holes to go up screw rod 4, the bore of four 16 through-holes is less than stop nut 7's external diameter, when rocking arm 10 for hooking down round pin axle 22, movable block 8 is in the state of relaxing, it is on stop nut 7 this moment, move up when last screw rod 4, stop nut 7 drives movable block 8 and shifts up, thereby make the portion of colluding 11 to pull down round pin axle 22, so stop nut 7 is in the position of last round pin axle 21, when having decided that rocking arm 10 can hook down round pin axle 22, because the hook is drawn after succeeding in, the support column can't be shifted up, so stop nut 7's position has decided the size to the dynamics that CT rotor 26 supported. After the position adjustment of the limit nut 7 is finished, in order to prevent the change of the position caused by the rotation of the limit nut 7, a through screw hole is formed in the side wall of the limit nut 7, and a set screw 18 used for being abutted to the upper screw rod 4 is arranged on the screw hole.
The working mode of this embodiment is as follows:
firstly, before CT transportation (the base 1 is fixed on a CT stator when the CT leaves a factory), the CT rotor 26 is locked by the device according to the following installation steps:
(1) placing the limiting block 5 at the lower screw rod 3 into the limiting groove 6 of the base 1, screwing the support column 2 by hand, aligning the through hole II 14 of the fixing hole at the upper screw rod 4 with the threaded hole at the corresponding position on the CT rotor 26, screwing the connecting screw II 15, and fixedly connecting the fixing block 9 with the CT rotor 26;
(2) screwing a support column 2 by using an ordinary wrench (the support column 2 is designed as an outer hexagonal column, which is convenient for the ordinary wrench to screw), wherein under the action of a limit groove 6 and a limit block 5, the support column 2 and an upper screw rod 4 can move upwards, meanwhile, because a fixed block 9 is connected with a CT rotor 26, the rotation of the support column 2 can drive the upper screw rod 4 to move upwards and the upper screw rod 4 to move upwards, so that the fixed block 9 moves upwards, thereby jacking up the CT rotor 26 to realize support and bearing protection, meanwhile, the upper screw rod 4 moves upwards to drive a limit nut 7 to move upwards, the movable block 8 is driven to move upwards by the upward movement of the limit nut 7, and in the upward movement process of the movable block 8, hook parts 11 of rocker arms 10 at two sides of the movable block 8 hook lower pin shafts 22 at two sides of a base 1, at the moment, the operation of the wrench can be stopped;
after CT transportation is finished, the device is dismantled through the following steps:
(1) screwing the support column 2 by using a common wrench to move downwards;
(2) when the torque required is small, the second connecting screw 15 is unscrewed (for the convenience of using the tool, the nut shape of the second connecting screw 15 is preferably hexagonal, and the second connecting screw 15 is unscrewed by a convenient and practical wrench), the rocker arms 10 on the two sides are broken off, the hook part 11 and the lower pin shaft 22 are separated, and the device can be taken out at this time.
As shown in fig. 4, in order to prevent the device from being disassembled and then from rotating relatively between the upper screw 4 and the lower screw 3 (the number of rotation turns is too large, the upper screw 3 and the lower screw 3 can be separated from the supporting column 2), the device further comprises an anti-twisting rod 17 with a rectangular cross section, the upper screw 4 and the lower screw 3 are both provided with a mounting hole three 12 with a waist-shaped cross section, the lower end of the anti-twisting rod 17 is inserted into the mounting hole three 12 on the lower screw 3, and the upper end of the anti-twisting rod 17 is inserted into the mounting hole three 12 on the upper screw 4.
The above-mentioned embodiments are merely illustrative of the inventive concept and are not intended to limit the scope of the invention, which is defined by the claims and the insubstantial modifications of the inventive concept can be made without departing from the scope of the invention.
Claims (10)
1. A quick locking device of CT rotor which characterized in that: including base and both ends opening and hollow support column, the upper portion and the lower part of support column are equipped with internal thread and two screw threads are opposite, and the lower part threaded connection of support column has lower screw rod, and upper portion threaded connection has last screw rod, the one end rigid coupling that the support column was kept away from to lower screw rod has the stopper, offers the spacing groove that is used for holding the stopper on the base, follow supreme stop nut who is equipped with in proper order with last screw rod threaded connection on the last screw rod, the movable block of cover on last screw rod and the fixed block of last screw rod rigid coupling down on going up the screw rod, the both sides of movable block are rotated and are connected with the rocking arm, and the one end that the movable block was kept away.
2. The fast CT rotor locking device of claim 1, wherein: the support column is an outer hexagonal column.
3. The fast CT rotor locking device of claim 1, wherein: a first through hole is formed in the base, and a first connecting screw connected with the CT stator base is arranged in the first through hole.
4. The fast CT rotor locking device of claim 1, wherein: and a second through hole is formed in the fixed block, and a second connecting screw connected with the CT rotor is arranged in the second through hole.
5. The fast CT rotor locking device of claim 1, wherein: the two sides of the movable block are provided with a first notch, the side walls of the two sides of the first notch are provided with a first mounting hole, one end, close to the movable block, of the rocker arm is provided with a third through hole, an upper pin shaft is arranged in the third through hole, and the two ends, penetrating out of the third through hole, of the upper pin shaft are respectively connected with the first mounting holes on the two sides of the first notch.
6. The fast CT rotor locking device of claim 1, wherein: the rod part comprises a second notch arranged on two sides of the base, mounting holes are formed in the side walls of two sides of the second notch, a lower pin shaft is connected between the two mounting holes, and the hook part of the rocker arm is hooked and pulled on the lower pin shaft.
7. The fast CT rotor locking device of claim 1, wherein: and a fourth through hole is formed in the middle of the movable block, the upper screw penetrates through the fourth through hole, and the caliber of the fourth through hole is smaller than the outer diameter of the limit nut.
8. The fast CT rotor locking device of claim 1, wherein: and a through screw hole is formed in the side wall of the limiting nut, and a set screw used for being abutted to the upper screw rod is arranged on the screw hole.
9. The fast CT rotor locking device of claim 1, wherein: the anti-twisting rod is non-circular in cross section, a third mounting hole matched with the cross section of the anti-twisting rod is formed in each of the upper screw rod and the lower screw rod, the lower end of the anti-twisting rod is inserted into the third mounting hole in the lower screw rod, and the upper end of the anti-twisting rod is inserted into the third mounting hole in the upper screw rod.
10. The CT rotor quick lock apparatus of claim 9, wherein: the third mounting hole is a waist-shaped hole, and the section of the anti-twisting rod is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249521.1U CN212048497U (en) | 2020-03-04 | 2020-03-04 | Quick locking device of CT rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249521.1U CN212048497U (en) | 2020-03-04 | 2020-03-04 | Quick locking device of CT rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212048497U true CN212048497U (en) | 2020-12-01 |
Family
ID=73534590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020249521.1U Active CN212048497U (en) | 2020-03-04 | 2020-03-04 | Quick locking device of CT rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212048497U (en) |
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2020
- 2020-03-04 CN CN202020249521.1U patent/CN212048497U/en active Active
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