CN110507347B

CN110507347B - Vehicle-mounted medical diagnosis equipment

Info

Publication number: CN110507347B
Application number: CN201910800684.6A
Authority: CN
Inventors: 赵明浩; 阎虹
Original assignee: Neusoft Medical Systems Co Ltd
Current assignee: Neusoft Medical Systems Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2023-05-02
Anticipated expiration: 2039-08-28
Also published as: CN110507347A

Abstract

The invention provides vehicle-mounted medical diagnosis equipment which comprises a scanning bed upper frame, a lifting mechanism for controlling the scanning bed upper frame and a base for fixing the lifting mechanism, wherein the lifting mechanism comprises a front swing rod, a rear swing rod and an actuator for driving the front swing rod and the rear swing rod to carry out position adjustment, the top ends of the front swing rod and the rear swing rod are respectively connected with the scanning bed upper frame, the bottom ends of the front swing rod and the rear swing rod are respectively connected with the base, and a longitudinal limiting device is arranged on the lifting mechanism so as to bear longitudinal stress in the transportation process and avoid damage to the actuator. The lifting mechanism is provided with the limiting device, the limiting device is utilized to bear impact force in the transportation process, the actuator is not stressed in the transportation process, the actuator is protected to safely and stably work, meanwhile, the lifting system can be automatically locked, the use requirements of quick scanning and transportation of the vehicle-mounted medical diagnosis equipment are met, the equipment use efficiency is improved, and the operation time is saved.

Description

Vehicle-mounted medical diagnosis equipment

Technical Field

The invention relates to the technical field of vehicle-mounted medical diagnosis equipment, in particular to vehicle-mounted medical diagnosis equipment.

Background

Currently, on-board medical diagnostic apparatuses are increasingly used with high mobility. Most of vehicle-mounted X-ray electronic computer tomography devices under the prior art adopt a transportation vehicle as a moving tool, and due to the limitation of transportation environment, the vehicle-mounted CT is required to bear certain vibration and impact, however, the vehicle-mounted CT belongs to relatively precise medical diagnosis equipment, the internal mechanical parts and electronic parts of the vehicle-mounted CT are very sensitive to the vibration and impact, and when the vehicle-mounted CT is transported, the internal mechanical systems and electronic parts of the vehicle-mounted CT are damaged due to the vibration and impact of the transportation vehicle.

The actuator of the vehicle-mounted CT lifting system is a power source of the lifting system, belongs to precise equipment, has poor vibration resistance and impact resistance, needs to be protected during vehicle-mounted transportation, and ensures that the actuator can safely, stably and reliably work under the environmental conditions and the use requirements, thereby avoiding the damage of the actuator to influence the lifting movement function of the upper frame of the scanning bed.

Disclosure of Invention

The object of the present invention is to provide an on-board medical diagnostic apparatus which avoids damage to the actuator during transportation.

In order to achieve the above purpose, the invention provides a vehicle-mounted medical diagnosis device, which comprises a scanning bed upper frame, a lifting mechanism for controlling the scanning bed upper frame and a base for fixing the lifting mechanism, wherein the lifting mechanism comprises a front swing rod, a rear swing rod and an actuator for driving the front swing rod and the rear swing rod to carry out position adjustment, the top ends of the front swing rod and the rear swing rod are respectively connected with the scanning bed upper frame, the bottom ends of the front swing rod and the rear swing rod are respectively connected with the base, and the lifting mechanism is provided with a longitudinal limiting device for bearing stress along the longitudinal direction in the transportation process to avoid the damage of the actuator.

Further, the longitudinal limiting device comprises a first locking mechanism arranged on the front swing rod and a second locking mechanism arranged on the rear swing rod and matched with the first locking mechanism.

Further, the first locking mechanism is for setting up in fixture block on the preceding pendulum rod is used for bearing along vertically decurrent power, the back pendulum rod includes the crossbeam of standing the roof beam and connecting the standing the roof beam, the second locking mechanism includes along horizontal flexible telescopic shaft and promotes the flexible push rod of telescopic shaft, be equipped with first supporting seat and second supporting seat on the crossbeam, the tail end of push rod with first supporting seat articulates, the telescopic shaft at least part accept in the second supporting seat and its tail end with the front end of push rod articulates, be equipped with oilless bush in the second supporting seat, the telescopic shaft slides along oilless bush in order to realize stretching.

Further, a limit switch is arranged on the cross beam, a limit piece is arranged at the tail end of the telescopic shaft, and the limit piece moves between a first position and a second position of the limit switch along with the telescopic shaft so as to limit the stroke of the push rod.

Further, a containing part is arranged on the first supporting seat, a first assembly hole is formed in the side wall of the containing part, the tail end of the push rod is contained in the containing part and provided with a second assembly hole matched with the first assembly hole, and the push rod is hinged and fixed through a pin shaft penetrating through the first assembly hole and the second assembly hole.

Further, the oil-free bushing comprises a first oil-free bushing and a second oil-free bushing which are oppositely arranged.

Further, the first locking mechanism is arranged on the clamping block on the front swing rod and used for bearing force downwards along the longitudinal direction, the rear swing rod comprises a vertical beam and a cross beam connected with the vertical beam, the second locking mechanism comprises a telescopic shaft which stretches along the transverse direction and a driving device which pushes the telescopic shaft to stretch, a first supporting seat and a second supporting seat are arranged on the cross beam, the driving device comprises a motor fixed on the first supporting seat and a gear connected with the motor in a rotating mode, and tooth grooves matched with the gear are formed in the telescopic shaft so as to slide in the second supporting seat under the driving of the motor to stretch.

Further, the second supporting seat is internally provided with a first oil-free bushing and a second oil-free bushing which are opposite to each other, and the telescopic shaft slides along the oil-free bushing to realize telescopic operation.

Further, the clamping block is provided with a groove matched with the telescopic shaft.

Further, the longitudinal limiting device is a limiting rod connected to the front swing rod and the rear swing rod, a first limiting part and a second limiting part are arranged on the limiting rod, a first locking piece matched with the first limiting part is arranged on the front swing rod, and a second locking piece matched with the second limiting part is arranged on the rear swing rod.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the limiting device is arranged on the lifting mechanism, so that the impact force in the transportation process is borne by the limiting device, the actuator is not stressed in the transportation process, and the actuator is further protected; the safety performance of the vehicle-mounted medical diagnosis equipment is improved, the automatic locking of the lifting system can be realized, the use requirements of the vehicle-mounted medical diagnosis equipment for quick scanning and transportation are met, the equipment use efficiency is improved, and the operation time is saved.

Drawings

FIG. 1 is a schematic perspective view of a prior art on-board medical diagnostic apparatus;

FIG. 2 is a simplified schematic diagram of an on-board medical diagnostic apparatus according to an embodiment of the present application;

FIG. 3 is a partially assembled schematic illustration of an on-board medical diagnostic apparatus according to an embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view of a partial assembly of an on-board medical diagnostic apparatus according to an embodiment of the present application at another angle;

FIG. 6 is a front view of an on-board medical diagnostic apparatus according to an embodiment of the present application;

FIG. 7 is a schematic top view of an on-board medical diagnostic apparatus according to an embodiment of the present application;

FIG. 8 is a schematic diagram illustrating an assembly of a second locking mechanism and a rear swing link according to an embodiment of the present disclosure;

FIG. 9 is a perspective assembly schematic view of an on-board medical diagnostic apparatus according to another embodiment of the present application;

FIG. 10 is an enlarged partial schematic view of FIG. 9;

FIG. 11 is a perspective assembly schematic view of an on-board medical diagnostic apparatus according to another embodiment of the present application;

fig. 12 is an enlarged partial schematic view of fig. 11.

Reference numerals

Vehicle-mounted medical diagnostic apparatus 100

Scanning bed frame 1

Base 2

Lifting mechanism 3

Vertical beam 310 of front swing rod 30 and rear swing rod 31

Beam 311 actuator 32

Longitudinal limiting device 4

First locking mechanism 40 first latch 401

Semicircular groove 404 of strip hole 403 of second clamping block 402

Second locking mechanism 41 push rod 411 telescopic shaft 412

The first supporting seat 413 of the tooth slot 4120 contains a portion 4130

Limit switch 415 of second supporting seat 414 of first assembling hole 4131

First oil-free bushing 417 and second oil-free bushing 418 of limiting member 416

Second telescoping shaft 42 spline 420

Third supporting seat 43 and fourth supporting seat 44

Third oil-free bushing 45 fourth oil-free bushing 46

Motor 5 gear 51

Stop lever 6

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the invention. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.

A vehicle-mounted medical diagnosis apparatus of the present invention will be described in detail with reference to the accompanying drawings. The features of the examples and embodiments described below may be combined with each other without conflict.

Referring to fig. 2 to 12, a vehicle-mounted medical diagnosis apparatus 100 of the present invention includes a scanner gantry 1, a lifting mechanism 3 for controlling the scanner gantry 1, and a base 2 for fixing the lifting mechanism 3. The lifting mechanism 3 comprises a front swing link 30, a rear swing link 31 and an actuator 32 for driving the front swing link 30 and the rear swing link 31 to perform position adjustment. The top ends of the front swing rod 30 and the rear swing rod 31 are respectively connected with the upper frame 1 of the scanning bed. The bottom ends of the front swing rod 30 and the rear swing rod 31 are respectively connected with the base 2. The lifting mechanism 3 is provided with a longitudinal limiting device 4 to bear the stress in the longitudinal direction during transportation to avoid the damage of the actuator 32. According to the vertical limiting device, the vertical limiting device 4 is arranged on the lifting mechanism 3 of the scanning bed upper frame 1, the vertical limiting device is used for bearing impact force in the transportation process, the actuator 32 is not stressed in the transportation process, and the actuator 32 is further protected, so that the actuator 32 can safely, stably and reliably work. The longitudinal direction refers to a vertical direction forming a certain included angle with the horizontal direction. In the prior art as shown in fig. 1, the diagnosis device is easily damaged by impact force during transportation because the longitudinal limiting device is not arranged.

In an embodiment, the longitudinal limiting device 4 includes a first locking mechanism 40 disposed on the front swing link 30 and a second locking mechanism 41 disposed on the rear swing link 31 and adapted to the first locking mechanism 40.

The first locking mechanism 40 is a clamping block arranged on the front swing rod 30 and is used for bearing downward force along the longitudinal direction. The rear swing link 31 includes a vertical beam 310 and a cross beam 311 connected to the vertical beam 310. The second locking mechanism 41 includes a telescopic shaft 412 that stretches and contracts in the lateral direction, and a push rod 411 that pushes the telescopic shaft 412 to stretch and contract. The beam 311 is provided with a first support 413 and a second support 414, and the tail end of the push rod 411 is hinged to the first support 413. The telescopic shaft 412 is at least partially accommodated in the second supporting seat 414, and its tail end is hinged to the front end of the push rod 411. An oilless bushing is disposed in the second support base 414. The telescoping shaft 412 slides along an oilless bushing to achieve telescoping. The lateral direction referred to in this application is a horizontal direction, the cross member is disposed along the horizontal direction, and the second locking mechanism 41 extends and contracts along the direction along which the cross member is disposed.

As shown in fig. 4, in an embodiment, the clamping blocks include a first clamping block 401 and a second clamping block 402 respectively disposed on two side vertical beams of the left and right front swing rods 30. The first fixture block 401 and the second fixture block 402 are both L-shaped structures. The first clamping block 401 and the second clamping block 402 are respectively provided with a strip hole 403, and are assembled and fixed on the cross beam 311 through screws, so as to bear downward vibration impact. In this embodiment, the fixing holes of the first clamping block 401 and the second clamping block 402 are all bar holes 403, so that the clamping blocks can be adjusted transversely when being matched with the telescopic shaft 412.

The clamping block is provided with a semicircular groove 404 adapted to the telescopic shaft 412, that is, the semicircular grooves 404 are formed on the first clamping block 401 and the second clamping block 402. The semicircular groove 404 is mainly configured to cooperate with the telescopic shaft 412 of the second locking mechanism 41 to form a locking function, and the cooperation structure of the semicircular groove and the telescopic shaft 412 can reduce assembly errors and improve locking precision.

The second locking mechanism 41 on the rear swing link 31 mainly receives the vibration impact in the upward direction. The longitudinal stop 4 is effective to prevent vibrations and shocks during transport from being transferred to the actuator 32 when the scanning bed 1 is in the lowest position. Specifically, when the upper frame 1 of the scanning bed descends to the lowest position, the lower end surfaces of the first clamping block 401 and the second clamping block 402 on the front swing rod 30 are in contact with the vertical beam surfaces on two sides of the rear swing rod 31 in advance to realize limit; the actuator 32 cannot continue to move downward and is in an unstressed state. When the scanning bed upper frame 1 is vibrated and impacted in the downward direction, the first clamping block 401, the second clamping block 402 and the vertical beam surface of the rear swing rod 31 bear impact force at first, and the actuator 32 is not stressed any more. Indeed, in another embodiment, the latch and the second locking mechanism 41 are provided in only one group and are disposed on the front swing link 30 and the rear swing link 31 on the same side.

The pushrod 411 described in this application is a miniature linear pushrod; in the use process, the telescopic shaft 412 is driven by the miniature linear push rod to realize axial telescopic movement, and the telescopic shaft 412 is matched and locked with the semicircular groove 404 of the clamping block after extending out. When the actuator 32 is vibrated and impacted in the upward direction, the cylindrical surface of the telescopic shaft 412 contacts with the semicircular groove 404 of the clamping block to bear the impact force, so that the actuator 32 is ensured not to be stressed any more, and further the protection of the actuator 32 is realized.

The beam 311 is provided with a limit switch 415. The tail end of the telescopic shaft 412 is provided with a limiting member 416. The limiting member 416 moves between a first position and a second position of the limiting switch 415 along with the telescopic shaft 412 to limit the stroke of the push rod 411. In one embodiment, the retainer 416 is a retaining screw. The first position corresponds to the minimum telescopic amount of the telescopic shaft 412, and the second position corresponds to the maximum telescopic amount of the telescopic shaft 412. The travel of the miniature linear push rod can be effectively detected through the cooperation of the limit switch 415 and the limit piece 416, and the telescopic shaft 412 is ensured to be effective in telescopic in-place locking function.

Specifically, the first support seat 413 is provided with a receiving portion 4130, and a side wall of the receiving portion 4130 is provided with a first assembly hole 4131. The tail end of the push rod 411 is accommodated in the accommodating portion 4130 and provided with a second assembly hole adapted to the first assembly hole 4131. The push rod 411 is hinged and fixed by a pin shaft penetrating the first assembly hole 4131 and the second assembly hole. The front end of the miniature linear push rod is hinged with the tail end of the telescopic shaft 412 by adopting a pin shaft, so that the problem of clamping stagnation and interference caused by the fact that the miniature linear push rod is not concentric with the telescopic shaft 412 can be avoided; the tail end of the miniature linear push rod is hinged with a first supporting seat 413 fixed on the cross beam 311 through a pin shaft; the first assembling hole 4131 provided on the accommodating portion 4130 can realize lateral adjustment, so as to ensure that the micro linear push rod and the telescopic shaft 412 are coaxial.

The oil-free bushing includes a first oil-free bushing 417 and a second oil-free bushing 418 disposed opposite each other. The telescoping shaft 412 may be axially telescoped by sliding within the oil-free bushing.

Referring to fig. 9 and 10, in another embodiment, the first locking mechanism 40 has the same structure as the previous embodiment, except for the second locking mechanism 41.

Specifically, the first locking mechanism 40 is a clamping block disposed on the front swing rod 30 and used for bearing a downward force in a longitudinal direction, and a groove adapted to the second telescopic shaft 42 is formed on the clamping block. The rear swing rod 31 includes a vertical beam 310 and a cross beam 311 connected to the vertical beam. The second locking mechanism 41 includes a second telescopic shaft 42 that stretches and contracts in the lateral direction, and a driving device that pushes the second telescopic shaft 42 to stretch and contract. The beam 311 is provided with a third supporting seat 43 and a fourth supporting seat 44. The driving device comprises a motor 5 fixed on the third supporting seat 43 and a gear 51 rotatably connected with the motor 5. The second telescopic shaft 42 is provided with a tooth slot 420 adapted to the gear 51 so as to slide in the fourth supporting seat 44 under the driving of the motor 5 to realize telescopic movement. The fourth support seat 44 is provided with a third oil-free bushing 45 and a fourth oil-free bushing 46 which are opposite to each other, and the second telescopic shaft 42 slides along the oil-free bushings to realize telescopic movement. In this embodiment, the gear 51 is connected to the motor shaft of the motor 5 fixed on the third support seat 43 and rotates in real time with the motor shaft, and the gear 51 drives the second telescopic shaft 42 to change the rotation of the gear 51 into the linear motion of the second telescopic shaft 42, so as to achieve the telescopic motion of the second telescopic shaft 42, thereby achieving the purpose of locking.

Referring to fig. 11 and 12, in another embodiment, the longitudinal limiting device is a limiting rod 6 connected to the front swing rod 30 and the rear swing rod 31. The limit bar 6 prevents the scanning bed frame 1 from moving downwards further when being shocked, so that the actuator 32 is impacted to protect the actuator 32. The limiting rod 6 is provided with a first limiting part and a second limiting part, the front swing rod 30 is provided with a first locking piece matched with the first limiting part, and the rear swing rod 31 is provided with a second locking piece matched with the second limiting part. When the first locking piece is matched with the first limiting part and the second locking piece is matched with the second limiting part, the limiting rod 6 effectively limits the front swing rod 30 and the rear swing rod 31, and the actuator 32 is protected.

In the embodiments described herein, the setting positions of the first locking mechanism and the second locking mechanism may be exchanged, and may be set on one side or set on both sides simultaneously.

The longitudinal limiting device can be applied to a CT equipment scanning bed upper frame, other medical equipment beds, beds of parallelogram swing rod mechanisms and other similar structures such as scissors and inserts.

According to the automatic locking device, the longitudinal limiting device is arranged on the lifting mechanism, so that the automatic locking of the lifting system can be realized, the use requirements of flexible and quick scanning and transportation of the vehicle-mounted CT are met, the equipment use efficiency is improved, and the operation time is saved.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.

Claims

1. The utility model provides a on-vehicle medical diagnosis equipment, includes scanning bed frame, control scanning bed frame's elevating system and fix elevating system's base, its characterized in that: the lifting mechanism comprises a front swing rod, a rear swing rod and an actuator for driving the front swing rod and the rear swing rod to carry out position adjustment, the top ends of the front swing rod and the rear swing rod are respectively connected with a scanning bed upper frame, the bottom ends of the front swing rod and the rear swing rod are respectively connected with a base, and the lifting mechanism is provided with a longitudinal limiting device for bearing longitudinal stress in the transportation process to avoid damage to the actuator;

the longitudinal limiting device comprises a first locking mechanism arranged on the front swing rod and a second locking mechanism arranged on the rear swing rod and matched with the first locking mechanism;

the first locking mechanism is arranged on a clamping block on the front swing rod and used for bearing downward force along the longitudinal direction, the rear swing rod comprises a vertical beam and a cross beam connected with the vertical beam, the second locking mechanism comprises a telescopic shaft which stretches along the transverse direction and a push rod which pushes the telescopic shaft to stretch out and draw back, a first supporting seat and a second supporting seat are arranged on the cross beam, the tail end of the push rod is hinged with the first supporting seat, the telescopic shaft is at least partially contained in the second supporting seat, the tail end of the telescopic shaft is hinged with the front end of the push rod, an oil-free bushing is arranged in the second supporting seat, and the telescopic shaft slides along the oil-free bushing to stretch out and draw back.

2. The on-vehicle medical diagnostic apparatus according to claim 1, wherein a limit switch is provided on the cross member, a limit member is provided at a tail end of the telescopic shaft, and the limit member moves between a first position and a second position of the limit switch along with the telescopic shaft to limit a stroke of the push rod.

3. The vehicle-mounted medical diagnosis apparatus according to claim 1, wherein the first supporting seat is provided with a containing portion, a side wall of the containing portion is provided with a first assembly hole, the tail end of the push rod is contained in the containing portion and is provided with a second assembly hole adapted to the first assembly hole, and the push rod is hinged and fixed through a pin shaft penetrating through the first assembly hole and the second assembly hole.

4. The on-board medical diagnostic apparatus according to any one of claims 1 to 3, wherein the oil-free bushing includes a first oil-free bushing and a second oil-free bushing that are disposed opposite to each other.

5. The vehicle-mounted medical diagnosis apparatus according to claim 1, wherein the first locking mechanism is a clamping block arranged on the front swing rod and used for bearing downward force along a longitudinal direction, the rear swing rod comprises a vertical beam and a cross beam connected with the vertical beam, the second locking mechanism comprises a telescopic shaft which stretches along a transverse direction and a driving device for pushing the telescopic shaft to stretch, the cross beam is provided with a first supporting seat and a second supporting seat, the driving device comprises a motor fixed on the first supporting seat and a gear rotationally connected with the motor, and a tooth slot matched with the gear is arranged on the telescopic shaft and slides in the second supporting seat under the driving of the motor so as to stretch.

6. The on-vehicle medical diagnostic apparatus of claim 5, wherein the second support seat is provided therein with a first oil-free bushing and a second oil-free bushing opposite to each other, and the telescopic shaft slides along the oil-free bushing to achieve telescopic motion.

7. A vehicle-mounted medical diagnostic apparatus according to any one of claims 1 to 3 or 5 or 6, wherein the cartridge is provided with a recess adapted to the telescopic shaft.

8. The vehicle-mounted medical diagnosis apparatus according to claim 1, wherein the longitudinal limiting device is a limiting rod connected to the front swing rod and the rear swing rod, a first limiting part and a second limiting part are arranged on the limiting rod, a first locking piece matched with the first limiting part is arranged on the front swing rod, and a second locking piece matched with the second limiting part is arranged on the rear swing rod.