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CN-121987231-A - X-ray photography system and detection bed thereof

CN121987231ACN 121987231 ACN121987231 ACN 121987231ACN-121987231-A

Abstract

An X-ray photographing system and a detection bed thereof are provided, wherein the detection bed comprises a base, a lifting support, a gravity balance piece and an electric driving piece, the gravity balance piece provides an upward self-adaptive supporting force for the lifting support, the self-adaptive supporting force is used for balancing and counteracting the gravity born by the lifting support, and the electric driving piece is used for electrically driving the upper end of the lifting support to lift relative to the lower end so as to drive a bearing platform to lift. The detection bed is provided with the gravity balance piece and the electric driving piece, the gravity balance piece can provide supporting force matched with the gravity balance piece according to the gravity born by the lifting support, so that stable hovering of the bearing platform can be realized no matter whether a patient exists on the bearing platform, on the basis of gravity balance of the gravity balance piece, the electric driving piece only needs to output smaller pushing force or pulling force to realize electric lifting of the bearing platform, rapid lifting driving of the detection bed can be realized, and meanwhile, lifting stroke of the detection bed can be increased.

Inventors

  • LIANG MUZHOU
  • YANG NENGFEI

Assignees

  • 深圳迈瑞生物医疗电子股份有限公司

Dates

Publication Date
20260508
Application Date
20241101

Claims (11)

  1. 1. A test bed for an X-ray radiography system, comprising: A base; The lifting support comprises an upper end and a lower end which can relatively lift and move, and the lower end of the lifting support is connected with the base; the bearing platform is arranged at the upper end of the lifting bracket and is used for bearing the detected object; the gravity balance piece is rotatably connected with the base at one end, is rotatably connected with the lifting support at the other end, and provides an upward self-adaptive supporting force for the lifting support, and the self-adaptive supporting force is used for balancing and counteracting the gravity born by the lifting support; and The electric driving piece is arranged on the base and connected with the lifting support, and is used for electrically driving the lifting support to lift relative to the lower end of the lifting support so as to drive the bearing platform to lift.
  2. 2. The bed of claim 1, wherein the weight balance member and the motorized drive member are offset, and wherein the range of movement of the weight balance member and the range of movement of the motorized drive member do not overlap.
  3. 3. The bed of claim 2, wherein the weight balance member and the motorized drive member are on the same side of the lifting frame and the center axis of the weight balance member and the center axis of the motorized drive member are in different vertical planes, or the weight balance member is on one side of the lifting frame and the motorized drive member is on the other side of the lifting frame.
  4. 4. The bed of claim 1, wherein the weight balancing member comprises a first fixed rod, a first movable rod and a damping structure, one end of the first movable rod is connected with the first fixed rod through the damping structure, the first movable rod can move relative to the first fixed rod in an axial direction of the first fixed rod in a telescopic manner, the damping structure generates corresponding self-adaptive supporting force according to the telescopic degree of the first movable rod relative to the first fixed rod, one end of the first fixed rod, which is far away from the first movable rod, is rotatably connected with one of the base and the lifting support, and one end of the first movable rod, which is far away from the first fixed rod, is rotatably connected with the other of the base and the lifting support.
  5. 5. The test bed of claim 1, wherein the gravitational counter comprises a gas spring.
  6. 6. The bed of claim 1, wherein the electric driving member comprises an electric push rod and a power source, one end of the electric push rod is rotatably connected with the base, the other end of the electric push rod is rotatably connected with the lifting support, the power source is arranged on the base, the power source is connected with the electric push rod, and the power source is used for driving the electric push rod to move so as to drive the carrying platform to lift.
  7. 7. The test bed of claim 6, wherein the electric push rod comprises one or more of a hydraulic push rod, an electro-hydraulic push rod, a pneumatic push rod, and a motor screw.
  8. 8. The bed of claim 1, wherein the lifting support comprises a first lifting arm and a second lifting arm which are arranged in a crossing manner, wherein the lower end of the first lifting arm is rotatably connected with the base, the upper end of the first lifting arm is movably connected with the bearing platform, the lower end of the second lifting arm is movably connected with the base, the upper end of the second lifting arm is rotatably connected with the bearing platform, the crossing position between the first lifting arm and the second lifting arm is rotatably connected, one end of the gravity balance piece is rotatably connected with a position, higher than the crossing position of the first lifting arm and the second lifting arm, of the first lifting arm or the second lifting arm, and one end of the electric driving piece is rotatably connected with the first lifting arm or the second lifting arm.
  9. 9. The bed of claim 8, wherein the lifting support comprises two lifting arm groups and a connecting arm, each lifting arm group comprises a first lifting arm and a second lifting arm which are arranged in a crossing way, the two lifting arm groups are arranged in parallel at intervals, one end of the connecting arm is fixedly connected with the first lifting arm in one lifting arm group, one end of the connecting arm is fixedly connected with the first lifting arm in the other lifting arm group, or one end of the connecting arm is fixedly connected with the second lifting arm in the one lifting arm group, one end of the connecting arm is fixedly connected with the second lifting arm in the other lifting arm group, and one end of the electric driving piece is rotatably connected with the connecting arm.
  10. 10. The bed of claim 9, wherein each of the plurality of lift arm sets is coupled to a respective one of the weight balancing members, and/or wherein the weight balancing members and the motorized drive members are disposed between the plurality of lift arm sets.
  11. 11. An X-ray radiography system comprising an emission device and a detection bed according to any one of claims 1 to 10; the emitting device comprises an emitting component, wherein the emitting component is used for emitting X rays to irradiate the detected object borne on the bearing platform.

Description

X-ray photography system and detection bed thereof Technical Field The invention relates to the technical field of medical detection, in particular to an X-ray photographing system and a detection bed thereof. Background The X-ray photographing system (DR equipment) comprises a lifting detection bed, wherein the lifting detection bed is a lifting device, the lifting detection bed can lift or lower the bed surface to a specific height position according to the needs, so that the use of different people is facilitated, and the lifting detection bed can be positioned and stopped at any height position to bear a patient in any height position within a range of travel. However, in the existing lifting detection bed, the same driving mechanism has lifting driving and stable support, so that the driving mechanism needs to bear larger weight, and the lifting of the lifting detection bed can be driven by larger driving force, so that the lifting speed is low and the stroke is limited. Disclosure of Invention The invention provides an X-ray photography system and a detection bed thereof, which are used for solving the problems of low lifting speed and short lifting stroke of a lifting detection bed. In one embodiment, a detection couch for an X-ray radiography system is provided, comprising: A base; The lifting support comprises an upper end and a lower end which can relatively lift and move, and the lower end of the lifting support is connected with the base; the bearing platform is arranged at the upper end of the lifting bracket and is used for bearing the detected object; the gravity balance piece is rotatably connected with the base at one end, is rotatably connected with the lifting support at the other end, and provides an upward self-adaptive supporting force for the lifting support, and the self-adaptive supporting force is used for balancing and counteracting the gravity born by the lifting support; and The electric driving piece is arranged on the base and connected with the lifting support, and is used for electrically driving the lifting support to lift relative to the lower end of the lifting support so as to drive the bearing platform to lift. In one embodiment, the gravity balance member and the electric driving member are distributed in a staggered manner, and the movable space range of the gravity balance member and the movable space range of the electric driving member are not overlapped. In one embodiment, the gravity balance member and the electric driving member are positioned on the same side of the lifting bracket, the central axis of the gravity balance member and the central axis of the electric driving member are positioned in different vertical planes, or the gravity balance member is positioned on one side of the lifting bracket, and the electric driving member is positioned on the other side of the lifting bracket. In one embodiment, the gravity balance member comprises a first fixed rod, a first movable rod and a damping structure, one end of the first movable rod is connected with the first fixed rod through the damping structure, the first movable rod can move relative to the first fixed rod in an axial telescopic manner along the first fixed rod, the damping structure generates corresponding self-adaptive supporting force according to the telescopic degree of the first movable rod relative to the first fixed rod, one end of the first fixed rod away from the first movable rod is rotationally connected with one of the base and the lifting support, and one end of the first movable rod away from the first fixed rod is rotationally connected with the other one of the base and the lifting support. In one embodiment, the damping structure comprises a spring and/or a slider, the slider is in sliding contact with the first fixing rod, and the friction between the slider and the first fixing rod forms the adaptive support force. In one embodiment, the weight balance comprises a gas spring. In an embodiment, the electric driving piece includes electric putter and power supply, electric putter's one end with the base rotates to be connected, electric putter's the other end with lifting support rotates to be connected, the power supply set up in the base, the power supply with electric putter connects, the power supply is used for the drive electric putter removes, in order to drive bearing platform goes up and down to remove. In one embodiment, the electric push rod comprises one or more of a hydraulic push rod, an electro-hydraulic push rod, a pneumatic push rod and a motor screw. In one embodiment, the lifting support comprises a first lifting arm and a second lifting arm which are arranged in a crossing manner, the lower end of the first lifting arm is rotationally connected with the base, the upper end of the first lifting arm is movably connected with the bearing platform, the lower end of the second lifting arm is movably connected with the base, the upper end of the second lifting arm is