Fixing device for CT machine

Abstract

The utility model discloses a fixing device for a CT (computed tomography) machine, which is characterized in that two second damping mechanisms are symmetrically arranged above a connecting plate along a horizontal center line, mounting plates are fixedly connected above the two second damping mechanisms, a plurality of positioning components are arranged in the middles of the two mounting plates, and quick mounting components are arranged on the outer side walls of the two mounting plates. A first damping mechanism is arranged on the top surface of the mounting plate; through the positioning assembly and the quick mounting assembly, an operator can quickly fix the CT machine in place, and the CT machine can be fixed in the horizontal direction and the vertical direction, so that the mounting structure is more stable; through the synergistic effect of the first damping mechanism and the second damping mechanism, vibration of different frequencies and different amplitudes is buffered, the first damping mechanism and the second damping mechanism complement each other, and a good damping effect can be achieved no matter slight vibration generated when a vehicle idles or strenuous vibration generated when the vehicle runs on a rugged road at a high speed. And precise parts in the CT machine and a scanning device are prevented from being interfered by vibration.

Description

TECHNICAL FIELD

[0001] The utility model relates to CT machine field, concretely is a fixed device for CT machine. BACKGROUND

[0002] With the rapid development of modern medical technology and the increasing demand for precise diagnosis in emergency rescue scenes, the vehicle-mounted CT machine emerges as the times require and is more and more widely applied in the medical field. Equipping CT machines on ambulances, mobile medical examination vehicles and other special vehicles can break through the limitations of traditional medical places, provide key imaging examinations for patients in the first time, greatly shorten the diagnosis time and gain valuable opportunities for subsequent timely and accurate treatment.

[0003] However, the existing fixing device of the CT machine has many technical defects, which seriously restricts the full play of the efficiency of the vehicle-mounted CT machine. On the one hand, the existing fixing device is complex to operate during installation, cannot realize quick installation, affects work efficiency, and has the problem of poor stability after installation. If the vehicle encounters bumps and other conditions during driving, the CT machine is prone to looseness, displacement and other conditions. On the other hand, the driving environment of the vehicle is complex and changeable, and various vibrations and impacts are inevitable. The existing single-stage damping scheme cannot meet the stringent requirements of the vehicle-mounted CT machine for stability, which may cause damage to the highly precise electronic components and mechanical scanning structure inside the CT machine. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fixed device for CT machine to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A fixed device for CT machine, comprising a connecting plate, two second damping mechanisms are symmetrically arranged above the connecting plate along the horizontal center line, two mounting plates are fixedly connected above the two second damping mechanisms, a plurality of positioning assemblies are arranged in the middle of the two mounting plates, a quick mounting assembly is arranged on the outer side wall of the two mounting plates, a first damping mechanism is arranged on the top surface of the mounting plate, the second damping mechanism comprises three groups of vertically arranged damping assemblies and two groups of lateral damping assemblies arranged within the distance of the three groups of vertically arranged damping assemblies.

[0007] As a further scheme of the utility model: the vertically arranged damping assembly is composed of a first damper and a first spring, the first damper is fixedly connected between the connecting plate and the mounting plate, and the first spring is sleeved outside the first damper.

[0008] As a further scheme of the utility model: the lateral shock absorption assembly includes first connecting seat, second connecting seat, connecting rod, telescopic rod, fixed plate, installation box, limiting plate, second damper and second spring, the first connecting seat is fixedly connected on the bottom wall of the mounting plate, the first connecting seat is rotatably connected with the connecting rod, the other end of the connecting rod is rotatably connected with the second connecting seat, the second connecting seat bottom is fixedly connected with the telescopic rod, one end of the telescopic rod is fixedly connected with the fixed plate, the fixed plate is fixedly connected on the connecting plate, the other side of the telescopic rod is equipped with the installation box, the telescopic rod passes through the installation box and is slidably connected with it, the end of the telescopic rod is fixedly connected with the limiting plate, the other end of the limiting plate is fixedly connected with the second damper, the other end of the second damper is fixedly connected in the installation box, and the second damper is provided with the second spring.

[0009] As a further scheme of the utility model: the positioning assembly includes positioning pin and lock nut, the bottom of the positioning pin is provided with external thread, a plurality of second threaded holes are formed in the mounting plate, the positioning pin is threadedly connected with the second threaded hole, and the bottom of the positioning pin is threadedly connected with the lock nut.

[0010] As a further scheme of the utility model: the quick mounting assembly includes mounting block, sliding slot and mounting hole, a plurality of mounting blocks are fixedly connected on the outer side wall of the two mounting plates, the dovetail-shaped sliding slot is formed in the mounting block from the top wall downward, and the mounting hole is formed in the mounting block along the side wall.

[0011] As a further scheme of the utility model: the first damping mechanism is a rubber pad fixedly connected on the mounting plate.

[0012] As a further scheme of the utility model: a plurality of first threaded holes are formed in the connecting plate.

[0013] Compared with the prior art, the utility model has the advantages that: a fixing device for CT machine is provided with positioning assembly and quick mounting assembly, an operator can quickly fix the CT machine in place without complex training, and the horizontal and vertical directions of the CT machine are fixed, so that the installation structure is more stable, the problem of loosening and displacement of the CT machine caused by the changeable driving conditions of the vehicle is avoided, the first damping mechanism and the second damping mechanism are cooperated to buffer the vibration of different frequencies and amplitudes, the rubber pad of the first damping mechanism is good at coping with high-frequency and small-amplitude vibration, can efficiently block slight jolt, and the second damping mechanism is excellent in low-frequency and large-amplitude vibration damping, and the two mechanisms are complementary, whether slight vibration of the vehicle at idle speed or severe vibration of the vehicle driving on rugged road, can play a good damping effect, and the internal precise parts and scanning device of the CT machine are not disturbed by vibration. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a fixing device for CT machine.

[0015] Figure 2 It is a partial sectional view of a fixing device for a CT machine.

[0016] In the figure: 1, connecting plate; 11, first threaded hole; 2, second damping mechanism; 21, first damper; 22, first spring; 23, first connecting seat; 24, second connecting seat; 25, connecting rod; 26, telescopic rod; 27, fixing plate; 28, mounting box; 29, limiting plate; 210, second damper; 211, second spring; 3, mounting plate; 31, second threaded hole; 4, positioning assembly; 41, positioning pin; 42, lock nut; 5, quick mounting assembly; 51, mounting block; 52, sliding groove; 53, mounting hole; 6, first damping mechanism. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figure 1 and Figure 2 In the embodiments of the utility model, a fixing device for a CT machine comprises a connecting plate 1, two second damping mechanisms 2 are symmetrically arranged above the connecting plate 1 along a horizontal center line, mounting plates 3 are fixedly connected above the two second damping mechanisms 2, a plurality of positioning assemblies 4 are arranged in the middle of the two mounting plates 3, quick mounting assemblies 5 are arranged on the outer side walls of the two mounting plates 3, and first damping mechanisms 6 are arranged on the top surfaces of the mounting plates 3.

[0019] A plurality of first threaded holes 11 are formed in the connecting plate 1, and the connecting plate 1 is connected with a vehicle bottom plate through bolts during assembly. Through this stable and reliable threaded connection mode, high-strength rigid connection between the connecting plate 1 and the vehicle bottom plate is realized, which can effectively resist the vibration, impact and displacement generated by the vehicle under various complex driving conditions, and create a stable support environment for the CT machine installed above.

[0020] The second damping mechanism 2 comprises three groups of equidistantly arranged vertical damping assemblies and two groups of lateral damping assemblies arranged in the space between the three groups of vertical damping assemblies, wherein the vertical damping assembly is composed of a first damper 21 and a first spring 22, the first damper 21 is fixedly connected between the connecting plate 1 and the mounting plate 3, and the first spring 22 is sleeved outside the first damper 21; the lateral damping assembly comprises a first connecting seat 23, a second connecting seat 24, a connecting rod 25, an extension rod 26, a fixed plate 27, a mounting box 28, a limiting plate 29, a second damper 210 and a second spring 211, the first connecting seat 23 is fixedly connected to the bottom wall of the mounting plate 3, the first connecting seat 23 is rotatably connected with the connecting rod 25, the other end of the connecting rod 25 is rotatably connected with the second connecting seat 24, the second connecting seat 24 is fixedly connected with the extension rod 26 at the bottom, one end of the extension rod 26 is fixedly connected with the fixed plate 27, the fixed plate 27 is fixedly connected to the connecting plate 1, the other side of the extension rod 26 is provided with the mounting box 28, the extension rod 26 penetrates through the mounting box 28 and is slidably connected with the mounting box 28, the end of the extension rod 26 is fixedly connected with the limiting plate 29, the other end of the limiting plate 29 is fixedly connected with the second damper 210, the other end of the second damper 210 is fixedly connected in the mounting box 28, and the second damper 210 is sleeved with the second spring 211.

[0021] When the vehicle encounters road conditions such as road bumps, speed bumps, potholes and the like during driving, the vehicle produces violent up and down bouncing, and exerts a vertical impact force on the CT machine, the vertical damping assembly rapidly absorbs and buffers the powerful vertical impact force, avoids the impact force from being directly transmitted to the CT machine, and protects the internal precise electronic elements and scanning structure of the CT machine from being damaged; when the vehicle turns, changes lanes or makes emergency avoidance, obvious lateral forces are generated, causing the CT machine to shake left and right, and the lateral damping assembly can rapidly absorb and buffer the lateral forces, and forms a complementary linkage mechanism with the vertical damping assembly, thereby comprehensively protecting the CT machine to be stable.

[0022] The positioning assembly 4 comprises a positioning pin 41 and a lock nut 42, the bottom of the positioning pin 41 is provided with external threads, a plurality of second threaded holes 31 are arranged on the mounting plate 3, and the positioning pin 41 is threadedly connected with the second threaded hole 31; the height of the positioning pin 41 protruding from the mounting plate 3 can be adjusted by rotating the positioning pin 41; in order to prevent the positioning pin 41 from loosening, the lock nut 42 is threadedly connected to the bottom of the positioning pin 41.

[0023] The quick mounting assembly 5 comprises a mounting block 51, a dovetail-shaped sliding groove 52 and a mounting hole 53, a plurality of mounting blocks 51 are fixedly connected to the outer side walls of the two mounting plates 3, the dovetail-shaped sliding groove 52 is formed in the mounting block 51 from the top wall downward, and the mounting hole 53 is formed in the mounting block 51 along the side wall.

[0024] The first damping mechanism 6 is a rubber pad fixedly connected to the mounting plate 3, and the first damping mechanism 6 and the second damping mechanism 2 are used in cooperation to buffer vibrations of different frequencies and amplitudes, the rubber pad of the first damping mechanism 6 is good at dealing with high-frequency and small-amplitude vibrations and can efficiently block slight shaking, and the second damping mechanism 2 is excellent in damping low-frequency and large-amplitude vibrations, the two are complementary, and no matter slight shaking when the vehicle is idling or severe shaking when the vehicle runs at high speed on a rugged road, the two can play a good damping effect, and the internal precise parts and the scanning device of the CT machine are not disturbed by the vibrations.

[0025] The working principle of the utility model is: when the CT machine is fixed, first, the fixing device and the vehicle bottom plate are connected through bolts, a stable support environment is created for the CT machine installed above, then the positioning hole at the bottom of the CT machine is aligned with the positioning pin 41 on the mounting plate, the positioning pin 41 is inserted into the positioning hole at the bottom of the CT machine, after the CT machine is positioned, the sliding block on the CT machine is inserted into the sliding groove 52 of the fixing device, the dovetail-shaped sliding groove 52 not only provides accurate guidance for the installation of the CT machine, but also limits and fixes the CT machine in the horizontal direction, then the fixing device and the CT machine are further fixed by using the bolts passing through the mounting hole 53, the CT machine is limited and fixed in the vertical direction, and the installed CT machine is fixed on the mounting plate 3; when vibrations occur during the running of the vehicle, the first damping mechanism 6 and the second damping mechanism 2 are used in cooperation, the rubber pad of the first damping mechanism 6 is good at dealing with high-frequency and small-amplitude vibrations and can efficiently block slight shaking, and when road bumps, speed bumps, potholes and other road conditions occur, the vehicle produces severe up-and-down bouncing, the second damping mechanism 2 rapidly absorbs and buffers the strong vertical impact force, avoids the impact force from being directly transmitted to the CT machine, and protects the internal precise electronic elements and scanning structure of the CT machine from being damaged; when the vehicle turns, changes lanes or makes emergency avoidance, obvious lateral forces are generated, the CT machine shakes left and right, the lateral damping assembly of the second damping mechanism 2 can rapidly absorb and buffer the lateral forces, and the vertical damping assembly forms a complementary linkage mechanism, and the CT machine is stably protected in all directions.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixation device for a CT scanner, comprising a connecting plate (1), characterized in that, Two second damping mechanisms (2) are symmetrically arranged above the connecting plate (1) along the horizontal center line. An mounting plate (3) is fixedly connected above the two second damping mechanisms (2). Multiple positioning components (4) are provided in the middle of the two mounting plates (3). Quick installation components (5) are provided on the outer side walls of the two mounting plates (3). A first damping mechanism (6) is provided on the top surface of the mounting plate (3). The second damping mechanism (2) includes three sets of vertical damping components arranged at equal intervals and two sets of lateral damping components arranged within the spacing of the three sets of vertical damping components.

2. The fixation device for a CT scanner according to claim 1, characterized in that, The vertical damping assembly consists of a first damper (21) and a first spring (22). The first damper (21) is fixedly connected between the connecting plate (1) and the mounting plate (3), and the first spring (22) is sleeved on the outside of the first damper (21).

3. The fixation device for a CT scanner according to claim 2, characterized in that, The lateral damping assembly includes a first connecting seat (23), a second connecting seat (24), a connecting rod (25), a telescopic rod (26), a fixing plate (27), a mounting box (28), a limiting plate (29), a second damper (210), and a second spring (211). The first connecting seat (23) is fixedly connected to the bottom wall of the mounting plate (3). The connecting rod (25) is rotatably connected to the first connecting seat (23). The other end of the connecting rod (25) is rotatably connected to the second connecting seat (24). The bottom of the second connecting seat (24) is fixedly connected to the telescopic rod (26). One end of the telescopic rod (26) is fixedly connected to a fixing plate (27), which is fixedly connected to the connecting plate (1). The other side of the telescopic rod (26) is provided with a mounting box (28). The telescopic rod (26) passes through the mounting box (28) and is slidably connected to it. The end of the telescopic rod (26) is fixedly connected to a limit plate (29). The other end of the limit plate (29) is fixedly connected to a second damper (210). The other end of the second damper (210) is fixedly connected inside the mounting box (28). The second damper (210) is covered with a second spring (211).

4. The fixation device for a CT scanner according to claim 3, characterized in that, The positioning component (4) includes a positioning pin (41) and a lock nut (42). The bottom of the positioning pin (41) is provided with an external thread, and the mounting plate (3) is provided with a plurality of second threaded holes (31). The positioning pin (41) is threadedly connected to the second threaded holes (31), and the bottom of the positioning pin (41) is threadedly connected with a lock nut (42).

5. A fixation device for a CT scanner according to claim 4, characterized in that, The quick-installation assembly (5) includes a mounting block (51), a groove (52), and a mounting hole (53). Multiple mounting blocks (51) are fixedly connected to the outer side walls of the two mounting plates (3). The mounting block (51) has a dovetail groove (52) extending downward from the top wall, and the mounting block (51) has a mounting hole (53) along the side wall.

6. A fixation device for a CT scanner according to claim 5, characterized in that, The first shock absorption mechanism (6) is a rubber pad that is fixedly connected to the mounting plate (3).

7. The fixation device for a CT scanner according to claim 1, characterized in that, The connecting plate (1) has multiple first threaded holes (11).

Images