Driving mechanism of CT slip ring

Abstract

The utility model relates to the technical field of medical equipment, in particular to a CT slip ring driving mechanism which comprises a slip ring body, a shunt tube, a driving wheel and a supporting plate, a driven wheel is installed on the outer wall of one side of the slip ring body, a transmission belt is arranged on the outer wall of the driven wheel in a sleeved mode, and the driving wheel is arranged on the other side of the transmission belt. A diversion pipe is rotatably mounted on one side of the inner wall of the driving wheel, sewage pumping pipes which are distributed in parallel at equal intervals are mounted on the outer wall of the upper end of the diversion pipe in an inserted mode, and a supporting plate is mounted on the outer wall of one side of the diversion pipe, so that the cleaning integrity of the outer wall of the transmission belt can be guaranteed, and dust on the surface of the transmission belt is prevented from affecting the detection precision of the tensioning wheel on the tensioning degree; the adjusting accuracy of the tensioning degree of the transmission belt is guaranteed, the friction force, located on the outer sides of the driven wheel and the driving wheel, of the transmission belt is prevented from being affected by dust, the driving smoothness of the sliding ring body is guaranteed, and the slipping phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to a drive mechanism of CT slip ring. BACKGROUND

[0002] CT slip ring is a kind of key medical equipment component, is used to transmit power and signal in CT scanning process, and the main role of CT slip ring is to connect the rotating part and stationary part of CT machine, ensures that power and signal can be stably transmitted under high-speed rotation, CT slip ring is made of conductive material, has good conductivity and mechanical strength, to ensure reliable data transmission and equipment operation.It transmits power and signal from the stationary part of CT machine to the rotating part by sliding contact mode, so that CT machine can carry out continuous rotary scanning, and slip ring is usually driven to rotate by the cooperation of belt and driving motor.

[0003] The drive structure for the slip ring of CT disclosed in publication No. CN104490414B includes a slip ring support, a slip ring, a first driving device, a second driving device and a transmission device;The slip ring is rotatably fixed on the slip ring support, the transmission device is coaxially fixedly connected with the slip ring, the first driving device and the second driving device are fixed on the above-mentioned slip ring support, the first driving device and the second driving device are drivingly connected with the transmission device, and the first driving device and the second driving device are driving in the same direction.This application can greatly shorten the starting time of slip ring, improve the starting speed of the slip ring of security check CT, and thus improve the package detection speed of security check CT. After the slip ring starts, one motor stops energization, and the power of the other motor is relatively low, so that the rotating energy consumption of the slip ring of security check CT can be reduced.

[0004] The prior art CN104490414B has many benefits in use, but still has the following problems, the dust removal of the belt is not perfect, so that the dust floating in the machine room of CT machine can enter its interior, the dust can adhere to the transmission belt, and the dust can affect the detection accuracy of the tensioning wheel matched with the transmission belt, and can affect the friction between the belt and the transmission wheel, and affect the rotation fluency. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a drive mechanism of CT slip ring.

[0006] The utility model discloses a technical scheme that solves its technical problem is a kind of driving mechanism of CT slip ring, including slip ring body, shunt pipe, driving wheel and support plate, the slip ring body one side outer wall is equipped with driven wheel, the driven wheel outer wall is equipped with transmission belt, the transmission belt other side is equipped with driving wheel, the driving wheel inner wall one side is rotatably installed with shunt pipe, the shunt pipe upper end outer wall is inserted and is equipped with the suction pipe of equidistant parallel distribution, the shunt pipe one side outer wall is equipped with support plate.

[0007] By adopting the above technical scheme, the slip ring body can be driven to rotate by the driving wheel, the driven wheel and the transmission belt, and the suction pipe can suck the dust escaping outside the transmission belt.

[0008] Specifically, the driving wheel is connected with a driving motor through the coupling.

[0009] By adopting the above technical scheme, the driving motor is connected with the driving wheel through the coupling, so that the driving motor can drive the driving wheel to rotate, and the driving wheel can drive the slip ring body to rotate through the driven wheel and the transmission belt.

[0010] Specifically, the driving wheel is connected with a driving motor through the coupling.

[0011] By adopting the above technical scheme, the driving motor is connected with the driving wheel through the coupling, so that the driving motor can drive the driving wheel to rotate, and the driving wheel can drive the slip ring body to rotate through the driven wheel and the transmission belt.

[0012] Specifically, the driving wheel is connected with a driving motor through the coupling.

[0013] By adopting the above technical scheme, the driving motor is connected with the driving wheel through the coupling, so that the driving motor can drive the driving wheel to rotate, and the driving wheel can drive the slip ring body to rotate through the driven wheel and the transmission belt.

[0014] Specifically, the driving wheel is connected with a driving motor through the coupling.

[0015] By adopting the above technical scheme, the driving motor is connected with the driving wheel through the coupling, so that the driving motor can drive the driving wheel to rotate, and the driving wheel can drive the slip ring body to rotate through the driven wheel and the transmission belt.

[0016] Specifically, the driving wheel is connected with a driving motor through the coupling.

[0017] By adopting the technical scheme, the air suction pipe is connected with the external dust collector, the dust collector can extract the air in the shunt pipe through the air suction pipe, and thus the dust can be collected in a centralized manner.

[0018] Specifically, a connecting rod is mounted on one side of the support plate, the connecting rod is located outside the driving wheel, and a plurality of brushes in circular array are arranged on the outer wall of the connecting rod and in contact with the outer wall of the transmission belt.

[0019] By adopting the technical scheme, the connecting rod and the support plate are connected through bolts, the use angle of the brush can be adjusted by the staff, the brush can clean the outer wall of the transmission belt, and the dust attached to the outer wall of the transmission belt can be removed.

[0020] The utility model discloses the beneficial effect of:

[0021] (1) the utility model discloses a kind of driving mechanism of CT slip ring, driving motor can drive driving wheel to occur circumferential rotation, to rotate from the driving wheel and slip ring body by transmission belt, reach the purpose of driving rotation to slip ring, and the tensioning wheel of matched use detects the tension of transmission belt, and can adjust and keep the tension of transmission belt, ensure that transmission belt is located from the driving wheel and the tension of driving wheel outside, ensure the driving rotation fluidity of from the driving wheel.

[0022] (2) the utility model discloses a kind of driving mechanism of CT slip ring, brush can clean the outer wall of transmission belt, and according to the rotation of transmission belt, can guarantee the cleaning integrity of the outer wall of transmission belt, avoid the dust on the surface of transmission belt to influence the detection accuracy of tensioning wheel to tension, ensure the adjustment accuracy of transmission belt tension, and avoid dust to influence the friction force of transmission belt located from the driving wheel and driving wheel outside, ensure the driving smoothness of slip ring body, avoid the phenomenon of skidding, and external dust collector extracts the dust escaping, guarantee the centralized collection of dust, avoid dust to cause secondary pollution to transmission belt, improve the relative cleanness of transmission belt use environment. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in connection with drawings and examples.

[0024] Figure 1 It is the driving wheel structure amplification schematic view of the utility model;

[0025] Figure 2 It is the slip ring body structure appearance schematic view of the utility model;

[0026] Figure 3 It is the driving wheel structure section view decomposition schematic view of the utility model;

[0027] Figure 4 It is the amplification schematic view of the shunt pipe structure of the utility model.

[0028] In the figure: 1, slip ring body; 11, driven wheel; 12, transmission belt; 13, driving wheel; 14, driving motor; 15, shaft coupling; 16, baffle; 17, dust suction hole; 2, shunt pipe; 21, sewage suction pipe; 22, air suction pipe; 23, support plate; 24, connecting rod; 25, brush; 26, sealing ring. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0030] In order to save manpower and improve efficiency, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The utility model discloses a driving mechanism of CT slip ring, including slip ring body 1, shunt pipe 2, driving wheel 13 and support plate 23, one side outer wall of slip ring body 1 is installed with driven wheel 11, the outer wall of driven wheel 11 is equipped with transmission belt 12, and the other side of transmission belt 12 is provided with driving wheel 13, and the inner wall of driving wheel 13 is rotatably installed with shunt pipe 2, and the upper end outer wall of shunt pipe 2 is inserted and installed with equidistant parallel distribution sewage suction pipe 21, and the outer wall of one side of shunt pipe 2 is installed with support plate 23.

[0031] In use, slip ring body 1 can be driven to rotate by driving wheel 13, driven wheel 11 and transmission belt 12, and sewage suction pipe 21 can suck the dust escaping outside transmission belt 12.

[0032] In order to rotate slip ring body 1, as shown in Figure 2 The outer wall of one side of driving wheel 13 is installed with shaft coupling 15, and driving motor 14 is connected to driving wheel 13 through shaft coupling 15.

[0033] In use, driving motor 14 is connected with driving wheel 13 through shaft coupling 15, so that driving motor 14 can drive driving wheel 13 to rotate, and driving wheel 13 can drive slip ring body 1 to rotate through driven wheel 11 and transmission belt 12.

[0034] In order to limit transmission belt 12, as shown in Figure 1 The outer wall of both sides of driving wheel 13 is installed with baffle 16, and the two baffles 16 are distributed on both sides of transmission belt 12.

[0035] In use, the baffle 16 limits the position of the transmission belt 12 outside the driving wheel 13, ensures that the transmission belt 12 is stable outside the driving wheel 13, and avoids the phenomenon of deviation.

[0036] In order to absorb dust, as shown in the example, Figure 3 The driving wheel 13 is designed to be hollow inside, and the inner wall of the driving wheel 13 is provided with a circular array of dust suction holes 17 corresponding to the position of the shunt pipe 2.

[0037] In use, the dust escaping from the outside of the driving wheel 13 can be sucked into the dust suction hole 17 and flow into the shunt pipe 2.

[0038] In order to seal, as shown in the example, Figure 3 The dirt suction pipe 21 is located inside the driving wheel 13, and the outer wall of the upper end of the dirt suction pipe 21 is fixedly connected with a sealing ring 26, and the upper end of the outer wall of the sealing ring 26 is in contact with the inner wall of the driving wheel 13.

[0039] In use, the dirt suction pipe 21 ensures the relative sealing between the inner wall of the driving wheel 13 through the sealing ring 26, and the sealing ring 26 is made of polytetrafluoroethylene material, which can ensure low friction coefficient between the driving wheel 13 and ensure service life, and can ensure that the dust enters the shunt pipe 2 through the dust suction hole 17, and ensure the suction force of the dust.

[0040] In order to absorb dust, as shown in the example, Figure 4 The shunt pipe 2 is inserted and installed through the outer wall of one end of the driving wheel 13, and the air suction pipe 22 is connected with the inside of the dirt suction pipe 21 through the shunt pipe 2.

[0041] In use, the air suction pipe 22 is connected with the external dust collector, and the dust collector can extract the air inside the shunt pipe 2 through the air suction pipe 22, so as to realize the centralized collection of dust.

[0042] In order to clean the transmission belt 12, as shown in the example, Figure 1 The outer wall of one side of the support plate 23 is provided with a connecting rod 24, and the connecting rod 24 is located outside the driving wheel 13, and the outer wall of the connecting rod 24 is provided with a circular array of brushes 25, and the brushes 25 are in contact with the outer wall of the transmission belt 12.

[0043] In use, the connecting rod 24 and the support plate 23 are connected by bolts, and the working personnel can adjust the use angle of the brush 25, and the brush 25 can clean the outer wall of the transmission belt 12, so that the dust attached to the outer wall of the transmission belt 12 falls off.

[0044] The utility model discloses when using, staff makes drive motor 14 with driving wheel 13 be connected through the shaft coupling 15, and staff sets up transmission belt 12 respectively on the outside of driven wheel 11 and driving wheel 13, drive motor 14 can drive driving wheel 13 to occur circumferential rotation, thereby through transmission belt 12 drive driven wheel 11 and slip ring body 1 rotation;

[0045] The matched tensioning wheel detects the tension of the transmission belt 12 and can adjust and maintain the tension of the transmission belt 12, so that the transmission belt 12 is located on the outside of the driven wheel 11 and the driving wheel 13.

[0046] According to the rotation steps of the transmission belt 12, the staff can fix the connecting rod 24 through the external screw, adjust the contact surface of the brush 25 and the transmission belt 12, so that the brush 25 can clean the outer wall of the transmission belt 12, and according to the rotation of the transmission belt 12, the cleaning integrity of the outer wall of the transmission belt 12 can be ensured.

[0047] The external dust collector is connected with the air suction pipe 22, the air suction pipe 22 can extract the escaped dust through the shunt pipe 2, the dirt suction pipe 21 and the dust suction hole 17, ensure the centralized collection of dust, and the sealing ring 26 can ensure the relative sealing between the shunt pipe 2 and the dust suction hole 17, ensure the controlled airflow flow trajectory, and ensure the suction force of the dust.

[0048] It should be noted that the utility model is a kind of driving mechanism of CT slip ring, components in the utility model are components known to those skilled in the art, and its structure and principle are known to those skilled in the art by technical manual or by conventional experimental method.

[0049] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drive mechanism for a CT slip ring, characterized in that, The system includes a slip ring body (1), a diversion pipe (2), a drive wheel (13), and a support plate (23). A driven wheel (11) is installed on one side of the outer wall of the slip ring body (1). A transmission belt (12) is sleeved on the outer wall of the driven wheel (11). A drive wheel (13) is provided on the other side of the transmission belt (12). A diversion pipe (2) is rotatably installed on one side of the inner wall of the drive wheel (13). Equally spaced parallel suction pipes (21) are inserted into the outer wall of the upper end of the diversion pipe (2). A support plate (23) is installed on one side of the outer wall of the diversion pipe (2).

2. The driving mechanism for a CT slip ring according to claim 1, characterized in that, A coupling (15) is installed on one side of the outer wall of the drive wheel (13), and the drive wheel (13) is connected to a drive motor (14) through the coupling (15).

3. The driving mechanism for a CT slip ring according to claim 1, characterized in that, Both sides of the drive wheel (13) are equipped with baffles (16), and the two baffles (16) are distributed on both sides of the transmission belt (12).

4. The driving mechanism for a CT slip ring according to claim 1, characterized in that, The drive wheel (13) has a hollow interior and a circular array of dust suction holes (17) on its inner wall. The dust suction holes (17) correspond to the positions of the diversion pipe (2).

5. The driving mechanism for a CT slip ring according to claim 1, characterized in that, The sludge suction pipe (21) is located inside the drive wheel (13). A sealing ring (26) is fixed to the upper outer wall of the sludge suction pipe (21), and the upper outer wall of the sealing ring (26) is in contact with the inner wall of the drive wheel (13).

6. The driving mechanism for a CT slip ring according to claim 1, characterized in that, The diversion pipe (2) is inserted into the outer wall of one end of the drive wheel (13) and an air extraction pipe (22) is installed. The air extraction pipe (22) is connected to the inside of the sewage extraction pipe (21) through the diversion pipe (2).

7. The driving mechanism for a CT slip ring according to claim 1, characterized in that, A connecting rod (24) is installed on one side of the outer wall of the support plate (23). The connecting rod (24) is located outside the drive wheel (13). A circular array of brushes (25) is provided on the outer wall of the connecting rod (24). The brushes (25) are in contact with the outer wall of the transmission belt (12).

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