CN211674290U

CN211674290U - Unloading locking protection device for transportation of wide-body large CT rotor

Info

Publication number: CN211674290U
Application number: CN201922082824.9U
Authority: CN
Inventors: 潘险峰; 金佳超; 陶丰盛
Original assignee: Mingfeng Medical System Co Ltd
Current assignee: Mingfeng Medical System Co Ltd; Minfound Medical Systems Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-10-16
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to the technical field of CT instruments, in particular to a wide-body large-scale CT rotor transportation unloading locking protection device, which comprises an axial pre-tightening device and a vertical unloading device, wherein the axial pre-tightening device comprises a pre-tightening wedge I and a pre-tightening wedge II which are arranged between a rotor and a stator, the pre-tightening wedge I comprises a first inclined plate I with a wide lower part and a narrow upper part, and the pre-tightening wedge II comprises a second inclined plate II which is matched with the first inclined plate I and has a wide upper part and a narrow lower part; the vertical unloading device comprises a support fixed on a stator beam, an upper pull plate and a lower pull plate which are positioned on two sides of a rotor transverse rib are arranged on the support, a first screw hole is formed in each of the upper pull plate and the lower pull plate, and an unloading screw connected with the first screw hole of the lower pull plate is arranged on the first screw hole of the upper pull plate; has the advantages that: by the device, the rotor and the stator can be integrated together, and are packaged and transported together with the outer cover in a normal standing use state, so that the transportation cost is greatly reduced; meanwhile, the load on the bearing can be unloaded, and the bearing is protected from being damaged.

Description

Unloading locking protection device for transportation of wide-body large CT rotor

Technical Field

The utility model relates to a CT apparatus technical field especially relates to a large-scale CT rotor transportation off-load locking protection device of wide body.

Background

In the prior art, the large-scale CT of wide body leads to rotor width big, and weight is big because big coverage, and the bearing supports the cantilever extension, and for big impact damage bearing when avoiding transporting, generally through the components of a whole that can function independently transportation of stator and rotor, after reaching the hospital shielding room, the field assembly facial make-up is in the same place, solves bearing impact damage, but this scheme has following problem: 1. two independent packing boxes and two sets of carrying tools are needed for split transportation, so that the cost is increased; 2. the split transportation needs to be firstly installed, debugged and corrected in the field, and after the image quality test is finished and meets the requirements of delivery and engine sending, the split transportation is disassembled and then reassembled together in the hospital, so that the process is complicated, the time consumption is long, and the cost is high.

In the prior art, the following solutions are also adopted: with the whole crouching of frame to be in the state of lying prone, the packing box base directly supports rotor and stator transportation simultaneously, nevertheless has following problem: 1. after the machine is debugged before leaving the factory, the frame needs to be laid down by means of hoisting, and after the machine is packaged and transported to a hospital site, the frame needs to be erected by means of hoisting, so that the process is complex, the time consumption is long, the cost is high, and an additional large hoisting tool is needed; 2. the dustcoat can not install the packing transportation along with the ware, and the dismouting that makes a round trip is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a large-scale CT rotor transportation off-load locking protection device of wide body for improve the conveying efficiency of CT rotor, reduce the cost of transportation.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

a wide-body large-scale CT rotor transportation unloading locking protection device comprises an axial pre-tightening device and a vertical unloading device, wherein the axial pre-tightening device comprises a pre-tightening wedge I and a pre-tightening wedge II which are arranged between a rotor and a stator, the pre-tightening wedge I comprises a sloping plate I with a wide lower part and a narrow upper part, and the pre-tightening wedge II comprises a sloping plate II which is matched with the sloping plate I and has a wide upper part and a narrow lower part; the vertical unloading device comprises a support fixed on a stator beam, an upper pull plate and a lower pull plate are arranged on the support and located on two sides of a rotor transverse rib, a first screw hole is formed in each of the upper pull plate and the lower pull plate, and an unloading screw connected with the first screw hole of the lower pull plate is arranged on the first screw hole of the upper pull plate.

Furthermore, the first pre-tightening inclined iron comprises a first supporting plate vertical to the first inclined plate, the second pre-tightening inclined iron comprises a second supporting plate vertical to the second inclined plate, the first supporting plate and the second supporting plate are both provided with second screw holes, and the second screw holes of the second supporting plate are provided with pre-tightening screws connected with the second screw holes of the first supporting plate.

Furthermore, a third screw hole is formed in the second supporting plate, and a release screw which is supported on the first supporting plate is arranged in the third screw hole.

Furthermore, a clamping groove used for being clamped and fixed on the stator beam is formed in the support.

Furthermore, a screw hole IV is formed in the support, and a first fastening screw for abutting against the stator beam is arranged in the screw hole IV.

Furthermore, the pull-down plate is attached to the rotor transverse rib.

Furthermore, a screw hole IV is formed in the upper pulling plate, and a limit screw which is pressed against the rotor transverse rib is arranged in the screw hole IV.

Furthermore, a reinforcing rib is arranged between the upper pulling plate and the side wall of the support.

Furthermore, a screw hole five is formed in the first supporting plate, and a fastening screw II is arranged in the screw hole five.

The utility model has the advantages that: by the device, the rotor and the stator can be integrated together, and are packaged and transported together with the outer cover in a normal standing use state, so that the transportation cost is greatly reduced; meanwhile, the load on the bearing can be unloaded, and the bearing is protected from being damaged; in addition, the device has simple structure, convenient installation and operation and lower manufacturing cost.

Drawings

FIG. 1 is a schematic diagram of the position of an axial pretensioning device and a vertical unloading device installed on a CT apparatus in an embodiment;

FIG. 2 is a schematic view from another angle of FIG. 1;

FIG. 3 is a schematic diagram of the construction of an axial pretensioning device in the embodiment;

FIG. 4 is a schematic structural diagram of the embodiment in which the axial pretensioning device is clamped between the rotor and the stator;

FIG. 5 is a schematic diagram of the construction of a vertical unloading device in the embodiment;

FIG. 6 is a schematic sectional view of the embodiment in which the vertical unloading device is fixed on the stator beam;

description of the reference symbols

The device comprises a first pre-tightening inclined iron 1, a second pre-tightening inclined iron 2, a first inclined plate 3, a second inclined plate 4, a support 5, an upper pull plate 6, a lower pull plate 7, an unloading screw 8, a first supporting plate 9, a second supporting plate 10, a pre-tightening screw 11, a release screw 12, a clamping groove 13, a fourth screw hole 14, a limiting screw 15, a reinforcing rib 16 and a fifth screw hole 17.

Detailed Description

The present invention will be described in further detail with reference to examples.

The embodiment provides an unloading and locking protection device for wide-body large CT rotor transportation, which comprises an axial pre-tightening device and a vertical unloading device, as shown in FIGS. 1 and 2, the axial pre-tightening device and the vertical unloading device are mounted on a schematic position diagram of CT equipment, 4 sets of axial pre-tightening devices are arranged between a stator and a rotor, one set of axial pre-tightening device is arranged at the upper left, the lower left, the other set of axial pre-tightening device is arranged at the upper right, the other set of axial pre-tightening device is arranged at the lower right, and 2 sets of vertical.

As shown in fig. 3 and 4, the axial pre-tightening device of the present embodiment includes a pre-tightening wedge 1 and a pre-tightening wedge 2, which are disposed between the rotor and the stator, wherein the pre-tightening wedge 1 includes a first inclined plate 3 having a wide lower part and a narrow upper part, and the pre-tightening wedge 2 includes a second inclined plate 4 having a wide upper part and a narrow lower part, which is matched with the first inclined plate 3; in order to facilitate pre-tightening and disassembly, the pre-tightening inclined iron I1 comprises a first supporting plate 9 perpendicular to the inclined plate I3, the pre-tightening inclined iron II 2 comprises a second supporting plate 10 perpendicular to the inclined plate II 4, the first supporting plate 9 and the second supporting plate 10 are both provided with a second screw hole, the second screw hole of the second supporting plate 10 is provided with a pre-tightening screw 11 connected with the second screw hole of the first supporting plate 9, the second supporting plate 10 is also provided with a third screw hole, and the third screw hole is internally provided with a release screw 12 supported on the first supporting plate 9; in order to facilitate the initial fixation of the first supporting plate 9, a fifth screw hole 17 is formed in the first supporting plate 9, and a second fastening screw is arranged on the fifth screw hole 17.

The use method of the axial pretensioning device is as follows: firstly, the inclined plate I3 is placed between the stator and the rotor, the supporting plate I9 is lapped on the stator, and the stator is supported by screwing in the fastening screw II, so that the pre-tightening inclined iron I1 is preliminarily fixed, then the pre-tightening inclined iron II 2 is placed, the pre-tightening screw 11 is screwed in, the pre-tightening inclined iron II 2 is gradually pressed between the inclined plate II 4 and the rotor, because the inclined plate II 4 is of a top-wide and bottom-narrow type, the inclined plate II 4 is of a bottom-wide and top-narrow type, the insertion of the inclined plate II 4 is facilitated, meanwhile, the inclined plate II 4 is also made in the insertion process, and the inclined plate I3 and the inclined plate II 4 are clamped more and more tightly between the stator. Because the CT equipment all sets up axial preloading device in upper left lower left, upper right lower right position, when swash plate two 4 inserts certain degree of depth, stator and rotor are evenly propped open by the axial, have eliminated the bearing play for all balls of bearing are even pressurized and are even integrative with interior outer ring, have effectively prevented vibrations wearing and tearing.

As shown in fig. 5 and 6, the vertical unloading device of the present embodiment includes a support 5 fixed on a stator beam, a clamping groove 13 and a screw hole four 14 are formed on the support 5, and a first fastening screw is arranged in the screw hole four 14; the support 5 is provided with an upper pulling plate 6 and a lower pulling plate 7 which are positioned at the upper side and the lower side of the rotor transverse rib; the upper pulling plate 6 and the lower pulling plate 7 are both provided with a first screw hole, the first screw hole of the upper pulling plate 6 is provided with an unloading screw 8 connected with the first screw hole of the lower pulling plate 7, the upper pulling plate 6 is provided with a fourth screw hole 14, and the fourth screw hole 14 is internally provided with a limiting screw 15 which is propped against a rotor transverse rib.

The use method of the vertical unloading device is as follows: during installation, the clamping groove 13 is clamped with the stator cross beam, the fastening screw is screwed in to enable the first fastening screw to abut against the stator cross beam, so that the vertical unloading device is fixed on the cross beam, the lower pull plate 7 is attached to the lower side surface of the rotor transverse rib in a quasi-working state, a space exists between the upper pull plate 7 and the rotor transverse rib, and the rotor is convenient to lift subsequently; at the moment, the unloading screw 8 is screwed in, an upper pulling force acting on the rotor transverse rib is generated between the upper pull plate 7 and the lower pull plate 7, and the vertical unloading devices are installed on two sides of the stator, so that the rotor can be suspended after the upper pulling force is generated, the weight of the rotor is completely transferred to the stator frame, the load on the bearing can be unloaded, and the transportation impact loss is prevented. And the displacement of the rotor which floats upwards can be limited by adjusting the screwing degree of the limit screw 15 so as to prevent the unloading screw 8 from being excessively screwed in. In order to prevent the upper pulling plate 6 from being pulled down to deform, a reinforcing rib 16 is further arranged between the upper pulling plate 6 and the side wall of the support 5.

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

1. The utility model provides a large-scale CT rotor transportation off-load locking protection device of wide body which characterized in that: the axial pre-tightening device comprises a pre-tightening wedge I and a pre-tightening wedge II which are arranged between a rotor and a stator, wherein the pre-tightening wedge I comprises a sloping plate I with a wide lower part and a narrow upper part, and the pre-tightening wedge II comprises a sloping plate II which is matched with the sloping plate I and has a wide upper part and a narrow lower part; the vertical unloading device comprises a support fixed on a stator beam, an upper pull plate and a lower pull plate are arranged on the support and located on two sides of a rotor transverse rib, a first screw hole is formed in each of the upper pull plate and the lower pull plate, and an unloading screw connected with the first screw hole of the lower pull plate is arranged on the first screw hole of the upper pull plate.

2. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: the first pre-tightening inclined iron comprises a first supporting plate vertical to the first inclined plate, the second pre-tightening inclined iron comprises a second supporting plate vertical to the second inclined plate, the first supporting plate and the second supporting plate are both provided with second screw holes, and the second screw holes of the second supporting plate are provided with pre-tightening screws connected with the second screw holes of the first supporting plate.

3. The wide body large CT rotor transport unloading locking protection device of claim 2, characterized in that: and a third screw hole is formed in the second supporting plate, and a release screw which is propped against the first supporting plate is arranged in the third screw hole.

4. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: and the support is provided with a clamping groove for clamping and fixing the clamping groove on the stator beam.

5. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: and a screw hole IV is formed in the support, and a first fastening screw for abutting against the stator beam is arranged in the screw hole IV.

6. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: and the lower pull plate is attached to the rotor transverse rib.

7. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: and a screw hole IV is formed in the upper pulling plate, and a limit screw which is propped against the rotor transverse rib is arranged in the screw hole IV.

8. The wide body large CT rotor transport unloading locking protection device of claim 1, characterized in that: and a reinforcing rib is arranged between the upper pulling plate and the side wall of the support.

9. The wide body large CT rotor transport unloading locking protection device of claim 2, characterized in that: a screw hole fifth is formed in the supporting plate first, and a fastening screw second is arranged in the screw hole fifth.