CN210388184U - Tool for replacing gradient coil of magnetic resonance equipment - Google Patents
Tool for replacing gradient coil of magnetic resonance equipment Download PDFInfo
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- CN210388184U CN210388184U CN201921116522.2U CN201921116522U CN210388184U CN 210388184 U CN210388184 U CN 210388184U CN 201921116522 U CN201921116522 U CN 201921116522U CN 210388184 U CN210388184 U CN 210388184U
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Abstract
A gradient coil replacing tool of magnetic resonance equipment comprises a first lifting mechanism, a second lifting mechanism arranged opposite to the first lifting mechanism, a transverse supporting rod connected between the first lifting mechanism and the second lifting mechanism, and a pile casing mechanism sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse supporting rod is connected with a first adjusting assembly, and the first adjusting assembly drives the local part of the transverse supporting rod to lift relative to the first support; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse supporting rod is connected with a second adjusting assembly, and the second adjusting assembly drives the local part of the transverse supporting rod to lift relative to the second bracket; the cylinder protecting mechanism comprises a first carrying frame sleeved on the transverse supporting rod and a second carrying frame sleeved on the transverse supporting rod; the first carriage is disposed opposite the second carriage so as to facilitate the taking of the gradient coils into and out of the magnetic resonance apparatus.
Description
Technical Field
The utility model relates to a magnetic resonance equipment maintains the technique, especially relates to a magnetic resonance equipment gradient coil replacement instrument.
Background
The GE superconducting magnetic resonance imaging equipment is widely applied to hospitals at all levels, a gradient coil is taken as one of important components of a magnetic resonance gradient system and mainly has the main function of generating a gradient field on a main magnetic field, and because the gradient coil is higher in current introduced during normal work and can generate force during rapid change of the gradient field, the internal joint of the gradient coil is easy to loosen, the joint is ignited, and the gradient coil is finally burnt; after the gradient coil is damaged, the gradient coil needs to be disassembled, repaired or replaced, however, the volume and the weight of the gradient coil are large, and the gradient coil is generally cylindrical, and the conventional installation tool cannot be applied to the assembly and disassembly of the gradient coil, so that the assembly and disassembly of the gradient coil need to take a long time to move.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a tool for replacing a gradient coil of a magnetic resonance apparatus, which is directed to a problem that the gradient coil of the magnetic resonance apparatus is difficult to move due to its heavy weight.
A magnetic resonance apparatus gradient coil replacement tool comprising: the device comprises a first lifting mechanism, a second lifting mechanism arranged opposite to the first lifting mechanism, a transverse supporting rod connected between the first lifting mechanism and the second lifting mechanism, and a pile casing mechanism sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse supporting rod is connected with the first adjusting assembly, and the first adjusting assembly drives the local part of the transverse supporting rod to lift relative to the first support; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse supporting rod is connected with the second adjusting assembly, and the second adjusting assembly drives the local part of the transverse supporting rod to lift relative to the second bracket; the cylinder protecting mechanism comprises a first carrier frame sleeved on the transverse supporting rod and a second carrier frame sleeved on the transverse supporting rod; the first carrier is arranged opposite to the second carrier.
According to the gradient coil replacing tool for the magnetic resonance equipment, after the first carrier frame and the second carrier frame are fixed on the gradient coil from two sides, the transverse supporting rod penetrates through the pile casing mechanism, the first lifting mechanism and the second lifting mechanism respectively support the transverse supporting rod from two sides of the magnetic resonance equipment, and the first adjusting assembly and the second adjusting assembly enable the transverse supporting rod to be lifted, so that the pile casing mechanism can bear the weight of the gradient coil, and the gradient coil can be conveniently driven to enter the magnetic resonance equipment or be taken out of the magnetic resonance equipment through the movement of the pile casing mechanism along the transverse supporting rod.
In one embodiment, the first adjusting assembly comprises a base plate fixed in the first bracket, a plurality of guide rods arranged on the base plate, a lifting plate arranged above the base plate, and a main screw rod threaded in the base plate; each guide rod is vertically arranged and connected between the first support and the base plate; the lifting plate is movably sleeved on each guide rod; the upper end of the main screw rod is abutted against the lower side of the lifting plate.
In one embodiment, the lifting plate is provided with a shaft accommodating groove; the first lifting mechanism further comprises a clamping hook assembly arranged on the lifting plate; the clamping hook assembly comprises a transverse shaft accommodated in the shaft accommodating groove, a clamping column vertically connected with the transverse shaft and a surface cover arranged on the lifting plate; the surface cover is provided with a direction limiting groove, the extending direction of the direction limiting groove is vertical to the extending direction of the transverse shaft, and the clamping column penetrates through the direction limiting groove; the top surface of the face cover is arc-shaped, and soft rubber covers the top surface of the face cover; one end of the transverse supporting rod is provided with a clamping hole, and the clamping column penetrates through the clamping hole.
In one embodiment, the first lifting mechanism further comprises a plurality of universal wheels, and each universal wheel is connected with the lower side of the first support.
In one embodiment, a first through groove is formed in the lower side of the first bracket; the first lifting mechanism further comprises a first infrared distance meter arranged at the lower end of the main screw rod, and the first through groove is arranged on the lower side of the first infrared distance meter; the second lifting mechanism further comprises a second infrared distance meter arranged on the lower side of the second adjusting component, and a second through groove is formed in the lower side of the second infrared distance meter on the second support.
In one embodiment, the first lifting mechanism further comprises a bearing assembly disposed between the lifting plate and the upper end of the main screw.
In one embodiment, the bearing assembly comprises an inner shell accommodated at the lower side of the lifting plate, a bottom cover installed at the lower side of the inner shell, a plurality of balls arranged between the inner shell and the bottom cover, and a bottom plate connected with the lower side of the inner shell; the bottom cover is rotatably arranged in the bottom plate in a penetrating way; the inner side of the inner shell is provided with a plurality of annular grooves, and the balls are partially accommodated in the annular grooves respectively.
In one embodiment, the first adjusting assembly further comprises a push rod movably arranged on the lower side of the main screw rod in a penetrating mode.
In one embodiment, the first carrier comprises a first embedded plate and a plurality of first clamping strips connected with the first embedded plate; the second carrier comprises a second embedded plate and a plurality of second clamping strips connected with the second embedded plate; the pile casing mechanism further comprises a tightening rod connected with the first embedded plate and the second embedded plate.
In one embodiment, the first carriage further comprises a first roller mounted on an underside of the first drop-in plate; the second carriage further comprises a second roller mounted on the underside of the second drop-in plate; the first roller and the second roller are abutted against the transverse supporting rod.
Drawings
Fig. 1 is a perspective view of a gradient coil replacing tool of a magnetic resonance apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of the first lifting mechanism of FIG. 1;
FIG. 3 is a schematic perspective view of the first lifting mechanism of FIG. 1 at another angle;
FIG. 4 is a perspective view of the hook assembly and the carrier assembly of FIG. 1 shown separated from the lifter plate;
FIG. 5 is a perspective view of the hook assembly and the carrier assembly of FIG. 1 shown separated from the lifter plate at another angle;
FIG. 6 is an exploded view of the load bearing assembly of FIG. 5;
FIG. 7 is an exploded view of the mechanism of the cartridge of FIG. 1;
fig. 8 is a perspective view of the tool for replacing a gradient coil of the magnetic resonance apparatus shown in fig. 1 after the gradient coil is installed.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 8, a gradient coil 600 replacing tool 100 for a gradient coil 600 of a magnetic resonance apparatus according to a preferred embodiment of the present invention is used to assist the gradient coil 600 to move when the gradient coil 600 is mounted on or dismounted from the magnetic resonance apparatus. The gradient coil 600 magnetic resonance equipment gradient coil replacing tool 100 comprises a first lifting mechanism 20, a second lifting mechanism 30 arranged opposite to the first lifting mechanism 20, a transverse supporting rod 40 connected between the first lifting mechanism 20 and the second lifting mechanism 30, and a pile casing mechanism 50 sleeved on the transverse supporting rod 40; the first lifting mechanism 20 comprises a first bracket 21 and a first adjusting component 22 arranged on the first bracket 21; one side of the transverse strut 40 is connected with a first adjusting component 22, and the first adjusting component 22 drives a part of the transverse strut 40 to lift relative to the first bracket 21; the second lifting mechanism 30 comprises a second bracket 31 and a second adjusting component 32 arranged on the second bracket 31; one side of the transverse strut 40 is connected with a second adjusting component 32, and the second adjusting component 32 drives a part of the transverse strut 40 to lift relative to the second bracket 31; the cylinder protecting mechanism 50 comprises a first carrier 51 sleeved on the transverse supporting rod 40 and a second carrier 52 sleeved on the transverse supporting rod 40; the first carriage 51 is disposed opposite to the second carriage 52.
After the first carriage 51 and the second carriage 52 are fixed on the gradient coil 600 from two sides, the transverse strut 40 passes through the sheath mechanism 50, and the first lifting mechanism 20 and the second lifting mechanism 30 respectively provide support for the transverse strut 40 from two sides of the magnetic resonance device, the first adjusting assembly 22 and the second adjusting assembly 32 make the transverse strut 40 lift, so that the sheath mechanism 50 can bear the weight of the gradient coil 600, and the gradient coil 600 can be conveniently driven to enter or be taken out from the magnetic resonance device through the movement of the sheath mechanism 50 along the transverse strut 40.
Referring to fig. 2 and 3, in one embodiment, in order to adjust the lifting of the transverse strut 40 by using the first lifting mechanism 20, the first adjusting assembly 22 includes a base plate 221 fixed in the first bracket 21, a plurality of guide rods 222 disposed on the base plate 221, a lifting plate 223 disposed above the base plate 221, and a main screw 224 threaded through the base plate 221; each guide bar 222 is vertically arranged and connected between the first bracket 21 and the base plate 221; the lifting plate 223 is movably sleeved on each guide rod 222; the upper end of the main screw 224 abuts against the lower side of the lifting plate 223; one side of the transverse strut 40 is placed on the lifting plate 223, when the main screw 224 rotates relative to the base plate 221, the main screw 224 simultaneously lifts relative to the first bracket 21, the main screw 224 pushes the bottom end of the lifting plate 223, so as to drive the lifting plate 223 and the transverse strut 40 to lift, and each guide rod 222 provides a guiding effect for the lifting plate 223.
Referring to fig. 1, 2 and 4, in one embodiment, in order to ensure that the transverse strut 40 is reliably connected to the first adjusting assembly 22 and to avoid bending of the end of the transverse strut 40 due to the angle difference between the transverse strut 40 and the lifting plate 223, which makes the transverse strut 40 difficult to detach from the first lifting mechanism 20, the lifting plate 223 is provided with a shaft receiving groove 225; the first elevating mechanism 20 further includes a hook assembly 23 installed on the elevating plate 223; the hook assembly 23 comprises a transverse shaft 231 accommodated in the shaft accommodating groove 225, a clamping column 232 vertically connected with the transverse shaft 231, and a surface cover 233 arranged on the lifting plate 223; the surface cover 233 is provided with a direction-limiting groove 234, the extending direction of the direction-limiting groove 234 is vertical to the extending direction of the transverse shaft 231, and the clamping column 232 penetrates through the direction-limiting groove 234; the top surface 235 of the face cover 233 is arc-shaped, and the top surface 235 of the face cover 233 is covered with soft glue; one end of the transverse supporting rod 40 is provided with a clamping hole 41, and the clamping column 232 penetrates through the clamping hole 41.
In order to reduce the thrust force required by the gradient coil 600 during moving, it may be necessary to form a certain angle between the transverse strut 40 and the horizontal plane, so as to form a pushing action by means of the gravity component of the gradient coil 600 itself, and thus there is an angle variation range between the transverse strut 40 and the lifting plate 223; the clamping column 232 can rotate relative to the lifting plate 223 by taking the transverse shaft 231 as an axis, and the direction limiting groove 234 provides limitation for the direction range of the clamping column 232, so that the clamping column 232 rotates relative to the lifting plate 223 in a nearly vertical range; because the top surface 235 of the face cover 233 is arc-shaped, the area near the clamping hole 41 can be kept supported, and the soft glue on the top surface 235 of the face cover 233 increases the contact area through deformation, thereby avoiding the end of the transverse supporting rod 40 from sinking.
Referring to fig. 2, in one embodiment, in order to adjust the angle of the transverse strut 40 relative to the horizontal plane, the distance between the first lifting mechanism 20 and the second lifting mechanism 30 can be adjusted synchronously, and the angle needs to be satisfied, the first lifting mechanism 20 further includes a plurality of universal wheels 24, and each universal wheel 24 is connected to the lower side of the first support 21. Under the support of the universal wheel 24, the first bracket 21 and the first adjusting assembly 22 can move freely relative to the ground, so that the first lifting mechanism 20 can adjust the distance relative to the second lifting mechanism 30 in time according to the angle change of the transverse strut 40.
In one embodiment, in order to facilitate the determination of the inclination direction of the transverse strut 40, the lower side of the first bracket 21 is provided with a first through groove 211; the first lifting mechanism 20 further comprises a first infrared distance meter 25 arranged at the lower end of the main screw 224, and the first through groove 211 is arranged at the lower side of the first infrared distance meter 25; the second lifting mechanism 30 further comprises a second infrared distance meter 34 arranged on the lower side of the second adjusting component 32, and the second bracket 31 is provided with a second through slot 311 on the lower side of the second infrared distance meter 34; specifically, the second lifting mechanism 30 and the first lifting mechanism 20 are symmetrically arranged, and the height relationship between the two ends of the transverse strut 40 and the ground can be determined through the measurement of the first infrared distance meter 25 and the second infrared distance meter 34, so that the transverse strut 40 can be accurately inclined to the corresponding direction, and the gravity component of the gradient coil 600 is used to assist the movement of the gradient coil 600.
Referring to fig. 3, in one embodiment, to prevent the bottom side of the lifting plate 223 from being worn, the first lifting mechanism 20 further includes a bearing assembly 26 disposed between the lifting plate 223 and the upper end of the main screw 224; thereby preventing the bottom side of the elevating plate 223 from being worn.
Referring to fig. 3, in one embodiment, to prevent the rotation of the main screw 224 from being blocked, the bearing assembly 26 includes an inner housing 261 received at a lower side of the lifting plate 223, a bottom cover 262 installed at a lower side of the inner housing 261, a plurality of balls 263 disposed between the inner housing 261 and the bottom cover 262, and a bottom plate 264 connected to a lower side of the inner housing 261; the bottom cover 262 is rotatably arranged in the bottom plate 264; a plurality of annular grooves 265 are formed in the inner side of the inner shell 261, and the balls 263 are partially accommodated in the annular grooves 265; the bottom plate 264 limits the bottom cover 262 to the lower side of the inner shell 261, and the upper end of the main screw 224 abuts against the lower surface of the bottom cover 262, so that the bottom cover 262 and the main screw 224 can flexibly rotate relative to the inner shell 261 or the lifting plate 223 through the rolling of the balls 263.
In one embodiment, since the main screw rod 224 is subjected to a large gravity, in order to facilitate the rotation of the main screw rod 224, the first adjusting assembly 22 further includes a push rod 226 movably disposed through the lower side of the main screw rod 224; specifically, the push rod 226 is perpendicular to the main screw 224, and the rotating screw can be rotated easily under the lever action.
Referring to fig. 7, in one embodiment, to prevent the gradient coil 600 from being accidentally released from the casing protection mechanism 50, the first carrier 51 includes a first insertion plate 511 and a plurality of first locking bars 512 connected to the first insertion plate 511; the second carrier 52 includes a second embedded plate 521 and a plurality of second locking bars 522 connecting the second embedded plate 521; the casing mechanism 50 further includes a tightening lever 53 connecting the first insertion plate 511 and the second insertion plate 521; specifically, the first insertion plate 511 and the second insertion plate 521 are respectively inserted into the gradient coil 600 from two ends, and the ends of the first clip strip 512 and the second clip strip 522 are fixedly connected to the gradient coil 600 by screw members; under the action of the tightening rod 53, the first embedded plate 511 and the second embedded plate 521 are ensured to provide a supporting function for the gradient coil 600.
In one embodiment, in order to reduce friction between the first and second insertion plates 511 and 521 and the transverse strut 40, the first carriage 51 further includes a first roller 513 mounted on the lower side of the first insertion plate 511; the second carriage 52 further includes a second roller 523 mounted on the lower side of the second embedment plate 521; the first roller 513 and the second roller 523 abut against the transverse strut 40; by the rolling of the first roller 513 or the second roller 523, the resistance to the movement of the gradient coil 600 can be reduced.
In this embodiment, after the first carrier and the second carrier are fixed to the gradient coil from two sides, the transverse strut passes through the cylinder protection mechanism, and the first lifting mechanism and the second lifting mechanism respectively support the transverse strut from two sides of the magnetic resonance device, and the first adjusting assembly and the second adjusting assembly lift the transverse strut, so that the cylinder protection mechanism can bear the weight of the gradient coil, and the gradient coil can be conveniently driven to enter the magnetic resonance device or be taken out of the magnetic resonance device by moving along the transverse strut through the cylinder protection mechanism.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A magnetic resonance apparatus gradient coil replacement tool, comprising: the device comprises a first lifting mechanism, a second lifting mechanism arranged opposite to the first lifting mechanism, a transverse supporting rod connected between the first lifting mechanism and the second lifting mechanism, and a pile casing mechanism sleeved on the transverse supporting rod; the first lifting mechanism comprises a first bracket and a first adjusting component arranged on the first bracket; one side of the transverse supporting rod is connected with the first adjusting assembly, and the first adjusting assembly drives the local part of the transverse supporting rod to lift relative to the first support; the second lifting mechanism comprises a second bracket and a second adjusting component arranged on the second bracket; one side of the transverse supporting rod is connected with the second adjusting assembly, and the second adjusting assembly drives the local part of the transverse supporting rod to lift relative to the second bracket; the cylinder protecting mechanism comprises a first carrier frame sleeved on the transverse supporting rod and a second carrier frame sleeved on the transverse supporting rod; the first carrier is arranged opposite to the second carrier.
2. The tool for replacing a gradient coil of a magnetic resonance device according to claim 1, wherein the first adjusting assembly comprises a base plate fixed in the first bracket, a plurality of guide rods arranged on the base plate, a lifting plate arranged above the base plate, and a main screw rod threaded in the base plate; each guide rod is vertically arranged and connected between the first support and the base plate; the lifting plate is movably sleeved on each guide rod; the upper end of the main screw rod is abutted against the lower side of the lifting plate.
3. The tool of claim 2, wherein the lifter plate has a shaft receiving slot; the first lifting mechanism further comprises a clamping hook assembly arranged on the lifting plate; the clamping hook assembly comprises a transverse shaft accommodated in the shaft accommodating groove, a clamping column vertically connected with the transverse shaft and a surface cover arranged on the lifting plate; the surface cover is provided with a direction limiting groove, the extending direction of the direction limiting groove is vertical to the extending direction of the transverse shaft, and the clamping column penetrates through the direction limiting groove; the top surface of the face cover is arc-shaped, and soft rubber covers the top surface of the face cover; one end of the transverse supporting rod is provided with a clamping hole, and the clamping column penetrates through the clamping hole.
4. The tool of claim 3 wherein the first lift mechanism further comprises a plurality of universal wheels, each universal wheel coupled to an underside of the first support.
5. The tool of claim 2 wherein the first support has a first through slot in an underside thereof; the first lifting mechanism further comprises a first infrared distance meter arranged at the lower end of the main screw rod, and the first through groove is arranged on the lower side of the first infrared distance meter; the second lifting mechanism further comprises a second infrared distance meter arranged on the lower side of the second adjusting component, and a second through groove is formed in the lower side of the second infrared distance meter on the second support.
6. The magnetic resonance apparatus gradient coil replacement tool of claim 2, wherein the first lift mechanism further comprises a bearing assembly disposed between the lift plate and the upper end of the main screw.
7. The tool of claim 6, wherein the carrier assembly comprises an inner housing received on an underside of the lifter plate, a bottom cover mounted on an underside of the inner housing, a plurality of balls disposed between the inner housing and the bottom cover, and a bottom plate coupled to an underside of the inner housing; the bottom cover is rotatably arranged in the bottom plate in a penetrating way; the inner side of the inner shell is provided with a plurality of annular grooves, and the balls are partially accommodated in the annular grooves respectively.
8. The tool of claim 2 wherein the first adjustment assembly further comprises a push rod movably disposed through an underside of the main screw.
9. The magnetic resonance apparatus gradient coil replacement tool of claim 1, wherein the first carrier includes a first embedded plate, and a number of first straps connecting the first embedded plate; the second carrier comprises a second embedded plate and a plurality of second clamping strips connected with the second embedded plate; the pile casing mechanism further comprises a tightening rod connected with the first embedded plate and the second embedded plate.
10. The magnetic resonance apparatus gradient coil replacement tool of claim 9, wherein the first carriage further comprises a first roller mounted on an underside of the first embedment plate; the second carriage further comprises a second roller mounted on the underside of the second drop-in plate; the first roller and the second roller are abutted against the transverse supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116522.2U CN210388184U (en) | 2019-07-16 | 2019-07-16 | Tool for replacing gradient coil of magnetic resonance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116522.2U CN210388184U (en) | 2019-07-16 | 2019-07-16 | Tool for replacing gradient coil of magnetic resonance equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210388184U true CN210388184U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921116522.2U Active CN210388184U (en) | 2019-07-16 | 2019-07-16 | Tool for replacing gradient coil of magnetic resonance equipment |
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| CN (1) | CN210388184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202341A (en) * | 2019-07-16 | 2019-09-06 | 广东上药桑尼克医疗科技有限公司 | Magnetic resonance equipment gradient coil replaces tool |
| CN111796229A (en) * | 2020-07-14 | 2020-10-20 | 上海辰瞻医疗科技有限公司 | Band replacement method for gradient coil |
-
2019
- 2019-07-16 CN CN201921116522.2U patent/CN210388184U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202341A (en) * | 2019-07-16 | 2019-09-06 | 广东上药桑尼克医疗科技有限公司 | Magnetic resonance equipment gradient coil replaces tool |
| CN110202341B (en) * | 2019-07-16 | 2024-02-27 | 广东上药桑尼克医疗科技有限公司 | Magnetic resonance equipment gradient coil replacement tool |
| CN111796229A (en) * | 2020-07-14 | 2020-10-20 | 上海辰瞻医疗科技有限公司 | Band replacement method for gradient coil |
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