CN107420694B

CN107420694B - Frame base of CT machine and CT machine

Info

Publication number: CN107420694B
Application number: CN201610345326.7A
Authority: CN
Inventors: 郑刚; 刘凤冕; 郑靖明
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 2016-05-23
Filing date: 2016-05-23
Publication date: 2020-03-20
Anticipated expiration: 2036-05-23
Also published as: CN107420694A

Abstract

The embodiment of the invention discloses a rack base of a CT machine, which comprises: the device comprises a bottom supporting frame and two upright posts arranged at two ends of the bottom supporting frame; the two upright posts are respectively provided with an X-Z plane mounting structure at one side close to a bearing support frame of the CT machine and used for mounting the bearing support frame; at least one of the two upright posts is provided with an adjusting bracket capable of carrying out error adjustment in an X-Y plane. In addition, the embodiment of the invention also discloses a bearing support frame and a CT machine. The technical scheme in the embodiment of the invention can facilitate the assembly of the CT machine and save the assembly time.

Description

Frame base of CT machine and CT machine

Technical Field

The invention relates to the field of medical equipment, in particular to a rack base suitable for a non-inclined Computed Tomography (CT) machine and a CT machine.

Background

Fig. 1 is a schematic structural diagram of a conventional CT machine. As shown in fig. 1, a typical CT machine includes a gantry base 1 and a CT gantry (CT gantry) component 2 mounted on the gantry base 1. Wherein, frame base 1 includes: a bottom support frame 11, a left side column 12 and a right side column 13. The CT gantry part 2 includes a rotating part (not shown), a CT bearing (not shown) and a bearing support (also called a rotating base, not shown). The rotor of the CT bearing is connected with the rotating part, and the stator of the CT bearing is connected with the bearing support frame. The bearing support frame is arranged on a left supporting upright 12 and a right supporting upright 13 of the frame base 1.

In general, a direction parallel to the rotation axis of the rotating portion is referred to as a Z direction, a horizontal direction perpendicular to the Z direction is referred to as an X direction, and directions perpendicular to the X direction and the Z direction, respectively, are referred to as Y directions.

At present, the installation between the bearing support frame and the rack base 1 adopts the installation surfaces of a left X-Y plane and a right X-Y plane which are positioned on the front surface of the CT machine, and in order to solve the installation problem caused by the processing error of the bearing support frame and the rack base 1, a ball bearing adjusting support is adopted on the installation surface on one side.

Moreover, the person skilled in the art is also looking for other implementations of the housing base 1.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a frame base of a CT machine, and provides a bearing support frame and a CT machine, so as to facilitate assembly of the CT machine and save assembly time.

The rack base of the CT machine provided by the embodiment of the invention comprises: the device comprises a bottom supporting frame and two upright posts arranged at two ends of the bottom supporting frame; the two upright posts are respectively provided with an X-Z plane mounting structure at one side close to a bearing support frame of the CT machine and used for mounting the bearing support frame; at least one of the two upright posts is provided with an adjusting bracket capable of carrying out error adjustment in an X-Y plane.

In one embodiment, the adjusting bracket is of a sheet metal part structure or a structure formed by welding a sheet metal part and a machining part.

In one embodiment, one of the two posts comprises: the first upright post main body and the adjusting bracket with the U-shaped cross section; wherein the first column body is mounted on the bottom support frame; the plane corresponding to the bottom edge of the U-shaped of the adjusting bracket is an installation structure of the X-Z plane, and an adjustable first installation hole and a first positioning structure which are matched with the bearing support frame are arranged on the installation structure; the plane corresponding to two sides of the U-shaped of the adjusting support is the adjusting support capable of performing error adjustment on the X-Y plane, and an adjustable second mounting hole and a second positioning structure which are matched with the first upright post main body are arranged on the adjusting support.

In one embodiment, the first positioning structure is a first guiding and positioning chute matched with a first positioning pin on the bearing support frame;

the second positioning structure is a second guiding and positioning chute matched with a second positioning pin on the first upright post main body.

In one embodiment, the other of the two uprights comprises: the second upright post main body and the mounting bracket with the U-shaped cross section; wherein the second column body is mounted on the bottom support frame; the plane corresponding to the bottom edge of the U-shaped plane of the mounting bracket is the mounting structure of the X-Z plane, and an adjustable third mounting hole and a third positioning structure which are matched with the bearing support frame are arranged on the mounting structure; the opening side of the mounting bracket is fixed on the second upright post main body in a welding mode or a screw connection mode.

In one embodiment, the third positioning structure is a third guiding and positioning sliding groove matched with a third positioning pin on the bearing support frame.

In one embodiment, the second column main body is a column box body with a set accommodating space.

In one embodiment, the column box includes: the U-shaped sheet metal framework that at least a sheet metal component constitutes with connect respectively two support post in a contained angle department of U-shaped sheet metal framework.

In one embodiment, the pillar box further comprises: and at least one reinforcing rib connected between the two support columns at a position corresponding to the mounting bracket.

In one embodiment, the bottom support frame comprises: the device comprises a first longitudinal support frame, a second longitudinal support frame and at least two bottom cross beams; one end of each bottom cross beam is connected with the first longitudinal support frame, and the other end of each bottom cross beam is connected with the second longitudinal support frame; at least one of the at least two bottom rails comprises: the first sub-cross beam is used for being connected with the first longitudinal support frame, and the second sub-cross beam is used for being connected with the second longitudinal support frame; the first sub beam and the second sub beam have overlapping portions and are connected together by the overlapping portions.

In one embodiment, the rack mount further comprises: and one end of the bottom mounting rack is mounted on the bottom supporting frame, and the other end of the bottom mounting rack is connected with the bottom of the bearing supporting frame.

The bearing support frame provided in the embodiment of the invention comprises: the bearing support frame comprises a bearing support frame body and an installation structure fixedly arranged on X-Z planes at two sides of the bearing support frame body.

In one embodiment, the X-Z plane mounting structure comprises: and the positioning structure and the threaded hole are matched with the mounting surface of the X-Z plane on the upright column at one side of the frame base for mounting.

In one embodiment, the locating feature is a locating pin.

In one embodiment, the bottom of the bearing support frame further has a mounting structure that mates with a bottom mounting bracket of the frame base.

The CT machine provided in the embodiment of the invention is characterized by comprising: the rack base and the corresponding bearing support frame.

In the scheme, the two upright columns of the frame base are respectively provided with the X-Z plane mounting structures for mounting the bearing support frame, and one of the two upright columns is provided with the adjusting support capable of adjusting the error on the X-Y plane, so that the frame base not only can adjust the machining error on the X-Z plane, but also can adjust the machining error on the X-Y plane, the assembly process of the CT machine is more convenient and flexible, and the assembly time can be saved.

In addition, when the adjustable support is adjusted by adopting a sheet metal part structure with an adjustable mounting hole and a guiding and positioning sliding groove or a sheet metal part with the adjustable mounting hole and the guiding and positioning sliding groove and a machined part welded structure, error adjustment is carried out by a mounting mode of a screw, so that the structure is simple and reliable, the cost is low, and the universality is high.

In addition, another stand column of the rack base is arranged to be a stand column box body, so that an accommodating space can be formed for accommodating electric appliance parts and the like, and the whole CT machine is tidier. Moreover, the upright column box structure can also replace part of the shell of the CT machine.

Further, through adopting two parts bottom sub-crossbeams of disconnection to connect into a holistic bottom crossbeam through the overlap portion, can further form an accommodation space, reinforcing accomodates the ability.

In addition, the bottom of the housing base may also provide at least one intermediate attachment point, such as two bottom mounts, for securing the bearing support bracket in the Z-direction.

Drawings

The foregoing and other features and advantages of the invention will become more apparent to those skilled in the art to which the invention relates upon consideration of the following detailed description of a preferred embodiment of the invention with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a conventional CT machine.

Fig. 2A to 2C are schematic structural views of a frame base and a bearing support frame of a CT machine according to an embodiment of the present invention. Wherein, FIG. 2A is a front view; FIG. 2B is a top view; fig. 2C is a partial schematic view of a rear view.

Fig. 3A and 3B are schematic structural diagrams of different viewing angles of the adjusting bracket in the chassis base shown in fig. 2.

Fig. 4A and 4B are schematic views illustrating an assembly of one of the columns of the housing base of fig. 2 and the bearing support bracket. Wherein, FIG. 4B is a view along line I-I in FIG. 4A.

Fig. 5A and 5B are schematic views of different views of the mounting bracket in the chassis base shown in fig. 2.

Wherein the reference numbers are as follows:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.

Fig. 2A to 2C are schematic structural views of a frame base and a bearing support frame of a non-inclined CT machine according to an embodiment of the present invention. Wherein, FIG. 2A is a front view; FIG. 2B is a top view of the bearing support bracket removed; fig. 2C is a partial schematic view of a rear view. The frame base and the bearing support in the embodiment of the present invention will be described in detail herein mainly based on the orientation shown in fig. 2A, and unless otherwise specified, the orientations of up, down, left, right, front, rear, vertical, horizontal, and the like referred to herein for convenience of description are all relative to the viewing angle shown in fig. 2A.

As shown in fig. 2A and 2B, the gantry base 3 of the CT machine in the embodiment of the present invention includes: a bottom support frame 31, and two uprights, a left upright 32 and a right upright 33 in the figure, mounted at both ends of the bottom support frame 31.

Wherein, the left side column 32 and the right side column 33 are respectively provided with an X-Z plane mounting structure at one side close to the bearing support frame 21 of the CT machine for mounting the bearing support frame 21. Accordingly, the bearing support bracket 21 includes: the bearing support frame comprises a bearing support frame body 211 and mounting

structures

212 and 213 which are fixedly arranged on X-Z planes at two sides of the bearing support frame body 211.

During specific installation, the bearing support frame 21 can be connected with the left side upright column 32 and the right side upright column 33 through connecting pieces such as screws and the like in an X-Z plane. Alternatively, in other embodiments, other forms of connection may be used. In the present embodiment, a case where the bearing support frame 21 is connected to the left side column 32 and the right side column 33 by means of screws in the X-Z plane will be described as an example.

In addition, either of the left side upright 32 and the right side upright 33 has an adjustment bracket 322 capable of making an error adjustment in the X-Y plane. In this embodiment, the case where the adjustment bracket 322 capable of performing error adjustment in the X-Y plane is provided on the left column 32 is taken as an example, and in practical applications, the adjustment bracket capable of performing error adjustment in the X-Y plane may be provided on the right column 33.

In particular, the adjustable support 322 may be implemented in a variety of ways. In this embodiment, adjust the support and can be solitary sheet metal component structure, perhaps also can be the structure that sheet metal component and machined part welding formed. The adjustment bracket 322 may be fixed to the left side post 32 by screws. Alternatively, in other embodiments, other forms of connection may be used. In this embodiment, the adjusting bracket 322 is fixed to the left pillar 32 by a screw.

Fig. 3A and 3B show schematic structural views of the adjustment bracket in the chassis base of fig. 2 from different perspectives. As shown in fig. 3A and 3B, the adjusting bracket is a U-shaped cross-section adjusting bracket. Fig. 4A and 4B are schematic views illustrating an assembly of one of the columns of the housing base of fig. 2 and the bearing support bracket. Wherein, FIG. 4B is a view along line I-I in FIG. 4A. As shown in fig. 3A to 4B, the left upright 32 in the present embodiment may specifically include: a first column body 321 and said adjusting bracket 322 with a U-shaped cross-section.

Wherein the first column body 321 is mounted on the bottom support frame 31.

The plane corresponding to the bottom edge of the U-shape of the adjusting bracket 322 is the mounting structure of the X-Z plane, and is provided with an adjustable first positioning structure 3221 and an adjustable first mounting hole 3222 which are mounted in cooperation with the bearing support frame 21. Accordingly, the mounting structure 212 of the bearing support bracket 21 near the X-Z plane of the left upright may include: locating formations 2121 and threaded holes (not shown) for co-operating mounting with the X-Z plane mounting formations on the left upright 32. In this embodiment, the first positioning structure 3221 is a first guiding and positioning sliding groove 3221. Accordingly, the corresponding locating feature 2121 on the bearing support bracket 21 is a first locating pin 2121. In other embodiments, the first positioning structure may also be a first positioning pin, and correspondingly, the corresponding positioning structure on the bearing support frame 21 may be a first guiding and positioning sliding groove.

The adjusting bracket 322 has two adjustable positioning structures 3223 and adjustable mounting holes 3224, which are mounted on the adjusting bracket and cooperate with the first upright main body 321, and the adjusting bracket can perform error adjustment on the X-Y plane. Correspondingly, the first column main body 321 has a position-limiting structure 3211 for cooperating with the second positioning structure 3223, and a threaded hole (not shown) for cooperating with the second mounting hole 3224. In this embodiment, the second positioning structure 3223 is a second guiding and positioning sliding groove 3223. Correspondingly, the limiting structure 3211 on the first column main body 321 is a second positioning pin 3211. In other embodiments, the second positioning structure may also be a second positioning pin, and correspondingly, the corresponding positioning structure on the bearing support frame 21 may be a second guiding and positioning sliding groove.

In this embodiment, considering that the requirement for error adjustment in the X direction is greater than the requirement for error adjustment in the Y direction, the adjustable gap between the second mounting hole 3224 and the second guide positioning chute 3223 in the X direction is greater than the adjustable gap in the Y direction. When fine adjustment in the X direction is performed, the adjustment bracket 322 moves along the second positioning pin 3211 on the left-side upright 21.

The right pillar 33 in this embodiment may include: a second column body 331 and a mounting bracket 332 having a U-shaped cross-section. Fig. 5A and 5B are schematic structural diagrams of the mounting bracket 332 in different views according to the present embodiment.

Wherein the second column main body 331 is mounted on the bottom support frame 31.

The plane corresponding to the bottom edge of the U-shape of the mounting bracket 332 is the mounting structure of the X-Z plane, and an adjustable third positioning structure 3321 and an adjustable third mounting hole 3322 are provided thereon, which are installed in cooperation with the bearing support frame 21. Accordingly, the mounting structure 213 of the bearing support bracket 21 near the X-Z plane of the right upright may include: locating formations (not shown) and threaded holes (not shown) for co-operation with the X-Z plane mounting formations on the right side post 33.

The open side of the mounting bracket 332 is fixed to the second column main body 331 by welding or screwing. In this embodiment, a case of using a welding method is taken as an example. In this embodiment, the third positioning structure 3321 is a third guiding and positioning sliding slot 3321. Correspondingly, the corresponding positioning structure on the bearing support frame 21 is a third positioning pin. In other embodiments, the third positioning structure may also be a third positioning pin, and correspondingly, the corresponding positioning structure on the bearing support frame 21 may be a third guiding and positioning sliding groove.

In this embodiment, during hoisting, the positioning pin on the bearing support frame 21 is clamped in along the guiding and positioning chutes on the left upright column 32 and the right upright column 33, the bearing support frame 21 is installed in place, and then the bearing support frame is installed through the corresponding installation hole by a screw.

In this embodiment, the second column main body 331 may be a column box having a predetermined accommodation space as shown in fig. 2A and 2B. Of course, in other embodiments, the second column main body 331 may be a cylinder that serves as a single support.

The pillar box 331 in this embodiment may specifically include: a U-shaped sheet metal frame 3311 that at least one sheet metal component constitutes and two support posts 3312 that connect respectively in a contained angle department of U-shaped sheet metal frame 3311.

The U-shaped sheet metal frame 3311 forms the accommodation space, and the two support columns 3312 are used to ensure the strength of the column box 331. In this embodiment, an operation hole may be formed in the U-shaped sheet metal frame 3311 for implementing the installation connection between the mounting bracket 332 and the bearing support frame 21.

Further, the column casing 331 can further include at least one reinforcing rib 3313 connected between the two support columns 3312 at a position corresponding to the mounting bracket 332, so as to further ensure the strength of the column casing 331.

The housing space defined by the column case 331 can be used to house some electrical components of the CT machine.

The column housing 331 may further include a base plate 3314 for holding the contained components.

As shown in fig. 2A and 2C, in the present embodiment, the rack base 3 may further include at least one bottom mounting bracket 34, and the case of including two bottom mounting brackets 34 is illustrated as an example. One end of the bottom mounting bracket 34 is mounted on the bottom support frame 31, and the other end is connected to the bottom of the bearing support frame 21.

As shown in fig. 2C, the bottom mounting bracket 34 in this embodiment is an L-shaped bracket 34 with reinforcing plates on both sides, and the plane corresponding to one edge of the L-shaped bracket 34 is used for connecting with the bottom support frame 31; the corresponding plane of the other side is used for connecting with the bottom of the bearing support frame 21. Accordingly, the bottom of the bearing support frame body 211 of the bearing support frame 21 further has a bottom mounting structure 214 that mates with the bottom mounting bracket 34 of the rack mount 3.

As shown in fig. 2B, in the present embodiment, the bottom support frame 31 may include: a first longitudinal support frame 311 (i.e., the left longitudinal support frame 311 in the figure), a second longitudinal support frame 312 (i.e., the right longitudinal support frame 312 in the figure), and at least two

bottom cross members

313, 314. In the present embodiment, a case where two bottom cross members, i.e., the front end bottom cross member 313 and the rear end bottom cross member 314, are included is taken as an example.

Wherein, one end of each

bottom beam

313, 314 is connected to the first longitudinal support frame 311, and the other end is connected to the second longitudinal support frame 312.

In this embodiment, the first column main body 321 is mounted on the first longitudinal support frame 311, and the second column main body 331 is mounted on the second longitudinal support frame 312.

In this embodiment, in order to further enlarge the space for accommodating the electrical components, at least one bottom cross beam 314 of the at least two bottom cross beams 313, 314 may include: a first sub beam 3141 for connecting with the first longitudinal support frame 311 and a second sub beam 3142 for connecting with the second longitudinal support frame 312; the first sub beam 3141 and the second sub beam 3142 have an overlapping portion and are connected together by the overlapping portion. Thus, a part of accommodating space is added at the bottom of the CT machine. In order to make the area of the accommodating space more definite, in the present embodiment, a zone baffle 315 may be further connected between the front end bottom cross member 313 and the rear end bottom cross member 314. The right side of the area blocking plate 315 of fig. 2A and 2B is the accommodation space.

The embodiment of the invention also provides a CT machine which can comprise the rack base in any implementation form and the bearing support frame in any implementation form.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A gantry base (3) of a CT machine, comprising: a bottom support frame (31) and two uprights (32, 33) mounted at the two ends of said bottom support frame (31);

the two upright columns (32, 33) are respectively provided with an X-Z plane mounting structure at one side close to a bearing support frame (21) of the CT machine for mounting the bearing support frame (21);

at least one of the two uprights (32, 33) has an adjustment bracket (322) capable of making an error adjustment in the X-Y plane;

one of the two uprights (32, 33) comprises: a first column main body (321) and an adjusting bracket (322) with a U-shaped cross section; wherein the content of the first and second substances,

the first upright body (321) is mounted on the bottom support frame (31);

a plane corresponding to the bottom edge of the U-shaped of the adjusting bracket (322) is an installation structure of the X-Z plane, and an adjustable first installation hole (3222) and a first positioning structure (3221) which are matched with the bearing support frame (21) are formed in the plane;

the plane corresponding to the two sides of the U-shaped of the adjusting bracket (322) is the adjusting bracket (322) capable of performing error adjustment on the X-Y plane, and the adjusting bracket is provided with an adjustable second mounting hole (3224) and a second positioning structure (3223) which are matched with and mounted on the first upright post main body (321).

2. The frame base according to claim 1, characterized in that the adjusting bracket (322) is of a sheet metal structure or a structure formed by welding a sheet metal part and a machined part.

3. The frame base according to claim 1, wherein the first positioning structure (3221) is a first guiding and positioning sliding groove (3221) cooperating with a first positioning pin (2121) on the bearing support frame (21);

the second positioning structure (3223) is a second guiding and positioning sliding groove (3223) which is matched with the second positioning pin (3211) on the first column main body (321).

4. The rack mount of claim 2, wherein the other of the two uprights comprises: a second column main body (331) and a mounting bracket (332) with a U-shaped cross section; wherein the content of the first and second substances,

the second column body (331) is mounted on the bottom support frame (31);

the plane corresponding to the bottom edge of the U-shaped of the mounting bracket (332) is the mounting structure of the X-Z plane, and an adjustable third mounting hole (3322) and a third positioning structure (3321) which are matched with the bearing support frame (21) are arranged on the mounting structure;

the opening side of the mounting bracket (332) is fixed to the second column main body (331) by welding or screwing.

5. The housing base according to claim 4, wherein the third positioning structure (3321) is a third guiding and positioning runner (3321) cooperating with a third positioning pin on the bearing support frame (21).

6. The rack base according to claim 4, characterized in that the second column body (331) is a column box (331) having a predetermined accommodation space.

7. The rack mount of claim 6, wherein the column box (331) comprises: the U-shaped metal plate frame (3311) that at least a sheet metal component constitutes and connect respectively two support post (3312) in a contained angle department of U-shaped metal plate frame (3311).

8. The rack mount of claim 7, wherein the column box (331) further comprises: at least one reinforcing bar (3313) connected between the two support columns (3312) at a position corresponding to the mounting bracket (332).

9. The housing base according to any of the claims from 1 to 8, characterized in that said bottom supporting frame (31) comprises: a first longitudinal support frame (311), a second longitudinal support frame (312) and at least two bottom cross beams (313, 314);

one end of each bottom cross beam (313, 314) is connected with the first longitudinal support frame (311), and the other end is connected with the second longitudinal support frame (312);

at least one bottom cross-beam (314) of the at least two bottom cross-beams (313, 314) comprises: a first sub-crossbeam (3141) used for being connected with the first longitudinal support frame (311) and a second sub-crossbeam (3142) used for being connected with the second longitudinal support frame (312); the first sub beam (3141) and the second sub beam (3142) have an overlapping portion and are connected together by the overlapping portion.

10. The rack mount of any of claims 1-8, further comprising: and at least one bottom mounting bracket (34) with one end mounted on the bottom support frame (31) and the other end connected with the bottom of the bearing support frame (21).

11. A CT machine, comprising: housing base (3) according to any of claims 1 to 10.