Slip ring structure for industrial spiral CT

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing a slip ring structure consisting of a rotating outer ring, a positioning inner ring, and a conductive slip ring, the problems of rotational motion and power supply in large-size scanning equipment were solved, enabling continuous rotation and power transmission of large-size scanning equipment, and improving the service life and applicability of the equipment.

CN223567059UActive Publication Date: 2025-11-18BEIJING HANGXING MACHINERY MFG CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202422491113.8
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-10-15
Publication Date: 2025-11-18
Estimated Expiration: 2034-10-15

AI Technical Summary

Technical Problem

Existing large-size scanning equipment has high slip ring costs and poor load-bearing capacity, resulting in poor equipment applicability, inconvenience in maintenance and parts replacement, and limiting the CT inspection of ultra-large workpieces.

Method used

A slip ring structure comprising a rotating outer ring, a positioning inner ring, a conductive slip ring, and roller assemblies was designed. The rotating outer ring is supported by multiple sets of roller assemblies to achieve 360° continuous rotation, and electrical energy is transferred through the conductive slip ring and the metal contact ring, thus solving the problems of rotational motion and power supply in large scanning equipment.

Benefits of technology

It enables the rotational movement and power supply of large scanning equipment, improves the service life and applicability of the equipment, facilitates maintenance and parts replacement, and is suitable for CT inspection of ultra-large workpieces.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN223567059U_ABST

Patent Text Reader

Abstract

The utility model relates to a slip ring structure for industrial spiral CT, belongs to the technical field of rotary slip rings, and solves the problem that the rotary motion of large-size scanning equipment in the prior art is lack of a reliable slip ring structure. The slip ring structure comprises a rotating outer ring, a positioning inner ring and a roller assembly, multiple groups of roller assemblies are rotationally mounted on the side surface of the positioning inner ring; the rotating outer ring is arranged outside the plurality of groups of roller assemblies in a sleeving manner; the roller assembly is in rolling contact with the inner side of the rotating outer ring and is used for supporting the rotating outer ring; the roller assembly comprises a roller, a positioning rotating shaft and a positioning bearing; the other end of the positioning rotating shaft is rotationally mounted on the positioning inner ring through a positioning bearing; and a conductive slip ring is mounted on the positioning rotating shaft and is used for realizing power transmission between the rotating outer ring and the positioning inner ring. According to the utility model, the rotary connection of a large-aperture rotary structure is realized, and rotary power supply is realized at the same time.

Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary slip ring technical field especially relates to a slip ring structure for industrial spiral CT. BACKGROUND

[0002] The ray source and detector of the high-energy CT detection system of the current market are generally vertically moved or horizontally moved, the measured workpiece is rotated or translated, the CT detection has certain limitations for the measured workpiece scanning attitude requirement, that is, cannot rotate or cannot be vertically placed.

[0003] For the rotary motion of the scanning equipment of the perforated, generally need special customization of large size slip ring and large size bearing can be realized, the equipment applicability is poor, and the production application of the equipment is limited, and it is inconvenient to maintain and replace parts.

[0004] Therefore, it is necessary to provide a slip ring structure for industrial spiral CT to realize the rotary motion and power of large scanning equipment. UTILITY MODEL CONTENTS

[0005] In view of the above analysis, the utility model aims at providing a slip ring structure for industrial spiral CT to solve the problem of high cost and poor carrying capacity of the rotary slip ring of the existing large scanning equipment.

[0006] The utility model mainly aims at realizing the following technical schemes:

[0007] A slip ring structure for industrial spiral CT, comprising: a rotating outer ring, a positioning inner ring, a conductive slip ring and a roller assembly;

[0008] The rotating outer ring and the positioning inner ring are arranged side by side and coaxial;

[0009] A plurality of roller assemblies are rotatably installed on the side surface of the positioning inner ring, the rotating outer ring is installed outside the plurality of roller assemblies, the roller assembly is in rolling contact with the inner side of the rotating outer ring to support the rotating outer ring, and the rotating outer ring is rotatably installed on the side surface of the positioning inner ring through the plurality of roller assemblies;

[0010] The roller assembly comprises a roller, a positioning shaft and a positioning bearing, one end of the positioning shaft is fixedly connected with the roller, and the other end is rotatably installed on the positioning inner ring through the positioning bearing;

[0011] The positioning shaft is provided with a conductive slip ring, and the conductive slip ring is used for realizing the electrical connection between the rotating outer ring and the positioning inner ring.

[0012] Further, the side surface of the positioning inner ring is provided with a plurality of cylindrical bearing mounting grooves; the outer ring of the positioning bearing is fixedly installed in the bearing mounting grooves in an interference fit mode.

[0013] Further, the positioning rotating shaft is fixedly installed in the inner ring of the positioning bearing in an interference fit mode, so that the positioning rotating shaft is rotatably installed on the positioning inner ring, and the roller can rotate relative to the positioning inner ring.

[0014] Further, the roller assembly is arranged in groups on the side surface of the positioning inner ring, and the roller assemblies are arranged in a ring shape.

[0015] Further, the roller is drum-shaped as a whole.

[0016] Further, the outer surface of the roller is provided with a metal contact ring; the inner side of the rotating outer ring is provided with an arc-shaped conductive ring with an inner concave surface; the metal contact ring is in contact with the inner surface of the arc-shaped conductive ring and can transmit electric energy.

[0017] Further, the rotor part of the conductive slip ring is fixedly connected with the positioning rotating shaft; the stator part of the conductive slip ring is fixedly connected with the positioning inner ring; when the positioning rotating shaft rotates relative to the positioning inner ring, the conductive slip ring can realize rotary power supply.

[0018] Further, the rotor part of the conductive slip ring is electrically connected with the metal contact ring on the roller through a first cable.

[0019] Further, the stator part of the conductive slip ring is electrically connected with the power supply device through a second cable.

[0020] Further, the surface of the positioning rotating shaft is provided with a first cable clamping groove for installing the first cable; the positioning inner ring is provided with a second cable clamping groove for allowing the second cable to pass through.

[0021] The technical scheme of the utility model can at least realize one of the following effects:

[0022] 1. The slip ring structure for the industrial spiral CT, the rotating outer ring is rotatably installed on the side surface of the positioning inner ring through a plurality of roller assemblies; the roller assembly is in rolling contact with the inner side of the rotating outer ring, and is used for supporting the rotating outer ring, so that the rotating outer ring can realize 360° continuous rotation, and then the positioning inner ring and the rotating outer ring are respectively matched with the supporting structure and the moving part of the scanning device, so that the rotary motion of the CT scanning device can be realized.

[0023] 2. The slip ring structure for industrial spiral CT of the present application supports and limits the rotating outer ring by rotating the positioning rotating shaft installed on the positioning inner ring and the roller pair, disperses the mass of the rotating outer ring and the scanning assembly to multiple positioning rotating shafts and rollers for bearing, and is beneficial to prolong the service life of the equipment.

[0024] 3. The slip ring structure for industrial spiral CT of the present application selects the conductive slip ring installed on multiple positioning rotating shafts according to the power demand of the scanning equipment, supplies power through multiple conductive slip rings, and transmits electricity through the metal contact ring arranged on the outer surface of the roller and the arc conductive ring arranged on the inner side of the rotating outer ring, and solves the power problem of the high-energy CT system.

[0025] In the present application, the above technical solutions can be combined with each other to realize more preferred combination solutions. Other features and advantages of the present application will be described in the subsequent specification, and some advantages can become apparent from the specification or can be understood by implementing the present application. The purpose and other advantages of the present application can be realized and obtained through the contents specifically pointed out in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are only for the purpose of illustrating specific embodiments and are not considered as limiting the present application, and in the entire drawings, the same reference signs represent the same parts.

[0027] Figure 1 It is a structural schematic view of the slip ring structure for industrial spiral CT of the present application;

[0028] Figure 2 It is a combination structure schematic view of the rotating gear and the rotating outer ring of the slip ring structure for industrial spiral CT of the present application;

[0029] Figure 3 It is a structural schematic view of the positioning inner ring of the slip ring structure for industrial spiral CT of the present application;

[0030] Figure 4 It is an installation schematic view of the roller assembly of the slip ring structure for industrial spiral CT of the present application;

[0031] Figure 5 It is a structural schematic view of the support frame for installing the slip ring structure for industrial spiral CT of the present application.

[0032] REFERENCE SIGNS:

[0033] 207 - support frame; 2081 - rotating outer ring; 2082 - positioning inner ring; 2083 - roller; 2084 - conductive slip ring; 2085 - positioning shaft; 2086 - metal contact ring; 2087 - positioning bearing; 2088 - first gear; 2089 - arc-shaped conductive ring; 209 - second gear; 210 - driving motor; 211 - slip ring mounting hole. DETAILED DESCRIPTION

[0034] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, wherein the drawings form a part of the utility model and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0035] Embodiment 1

[0036] One specific embodiment of the utility model discloses a slip ring structure for industrial spiral CT. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown in the embodiment, the slip ring structure comprises a rotating outer ring 2081, a positioning inner ring 2082 and a roller assembly; the rotating outer ring 2081 is rotatably installed on the side surface of the positioning inner ring 2082 through a plurality of roller assemblies.

[0037] Specifically, the rotating outer ring 2081 is arranged side by side with the positioning inner ring 2082, and the two are coaxial, as shown in the figure. Figure 1

[0038] Specifically, a plurality of roller assemblies are rotatably installed on the side surface of the positioning inner ring 2082; the rotating outer ring 2081 is installed outside the plurality of roller assemblies; the roller assembly is in rolling contact with the inner side of the rotating outer ring 2081 and is used for supporting the rotating outer ring 2081; as shown in the figure. Figure 1

[0039] In the embodiment, as shown in the figures, Figure 3 、 Figure 4 The roller assembly comprises a roller 2083, a positioning shaft 2085 and a positioning bearing 2087; the roller 2083 is fixedly installed at the end of the positioning shaft 2085, one end of the positioning shaft 2085 is fixedly connected with the roller 2083, and the other end is rotatably installed on the positioning inner ring 2082 through the positioning bearing 2087.

[0040] Specifically, as shown in the figure, Figure 4 As shown in the figure, the side of the positioning inner ring 2082 is provided with a plurality of cylindrical bearing mounting grooves; the outer ring of the positioning bearing 2087 is fixedly installed in the bearing mounting groove in an interference fit manner; the positioning rotating shaft 2085 is fixedly installed in the inner ring of the positioning bearing 2087 in an interference fit manner, realizing the rotating installation of the positioning rotating shaft 2085 on the positioning inner ring 2082, and further realizing the rotation of the roller 2083 relative to the positioning inner ring 2082.

[0041] Further, as shown in the figure, Figure 3 The roller assembly is provided on the side of the positioning inner ring 2082, and the plurality of roller assemblies are arranged in a ring shape.

[0042] Further, the plurality of roller assemblies are nested and installed inside the rotating outer ring 2081, and the roller 2083 can roll along the inner surface of the rotating outer ring 2081.

[0043] In this embodiment, through the nested combination of the plurality of roller assemblies and the rotating outer ring 2081, the rotating installation of the rotating outer ring 2081 and the positioning inner ring 2082 can be realized, so that the slip ring structure has the function of a large-size bearing, and the relative rotation of the large-size rotary frame 201 and the support frame 207 can be realized, and further the rotary motion of the scanning assembly relative to the support assembly can be realized.

[0044] Specifically, as shown in the figure, Figure 3 , Figure 4 The roller 2083 is drum-shaped as a whole; and the outer surface of the roller 2083 is provided with a metal contact ring 2086.

[0045] Specifically, as shown in the figure, Figure 4 The metal contact ring 2086 is pasted and installed on the surface of the roller 2083; or the metal contact ring 2086 is embedded inside the roller 2083, and the surface protrudes from the outer surface of the roller 2083.

[0046] Further, the inner side of the rotating outer ring 2081 is provided with an arc-shaped conductive ring 2089 with an inner concave surface; the metal contact ring 2086 on the roller 2083 is in extrusion contact with the surface of the arc-shaped conductive ring 2089; and the support assembly transmits electric energy to the scanning assembly through the contact of the metal contact ring 2086 and the arc-shaped conductive ring 2089.

[0047] Specifically, the outer part of the positioning rotating shaft 2085 is further provided with a conductive slip ring 2084; the rotor part of the conductive slip ring 2084 is fixedly connected with the positioning rotating shaft 2085; the stator part of the conductive slip ring 2084 is fixedly connected with the inner ring of the positioning bearing 2087 or the positioning inner ring 2082. When the positioning rotating shaft 2085 rotates relative to the positioning inner ring 2082, the conductive slip ring 2084 can realize rotary power supply.

[0048] Specifically, the rotor part of the conductive slip ring 2084 is electrically connected with the metal contact ring 2086 on the roller 2083 through a first cable; the stator part of the conductive slip ring 2084 is electrically connected with the power supply device of the support assembly through a second cable.

[0049] Further, in order to realize the power supply capability of the conductive slip ring 2084, in the embodiment, a first cable clamping groove for mounting the first cable is arranged on the surface of the positioning rotating shaft 2085; at the same time, a second cable clamping groove (not shown in the figure) for allowing the second cable to pass through is arranged on the positioning inner ring 2082.

[0050] In the embodiment, the support force for the rotating outer ring 2081 is provided by the plurality of positioning rotating shafts 2085, and the torque caused by the overall mass of the scanning assembly and the first gear 2088 is borne by the plurality of positioning rotating shafts 2085 and the positioning bearing 2087, thereby improving the overall bearing capacity of the slip ring structure.

[0051] Considering that the power supply capability of a single conductive slip ring 2084 is limited, in the embodiment, according to the power demand of the scanning assembly, the conductive slip rings 2084 are mounted on the plurality of positioning rotating shafts 2085, and power supply is realized through the plurality of conductive slip rings 2084, thereby solving the power consumption problem of the high-energy CT system.

[0052] Further, in order to realize the relative rotary motion of the rotating outer ring 2081 and the positioning inner ring 2082 of the slip ring structure, in the implementation, a rotary driving device is arranged outside the rotating outer ring 2081 to drive it; specifically, as shown in Figure 1 The first gear 2088 is mounted outside the rotating outer ring 2081. Specifically, the first gear 2088 is fixedly connected with the rotating outer ring 2081 or is an integral structure; the first gear 2088 is coaxially arranged with the rotating outer ring 2081.

[0053] In the implementation, it is necessary to mount the slip ring structure of the utility model to the support frame 207 of the scanning device; the middle part of the support frame 207 is provided with a slip ring mounting hole 211 for mounting the slip ring structure.

[0054] Further, the support frame 207 of the scanning device is also provided with a driving motor 210 for driving the first gear 2088 to rotate and a second gear 209; as shown in the figure, Figure 5 When the driving motor 210 drives the first gear 2088 to rotate through the second gear 209, the rotating outer ring 2081 rotates synchronously with the first gear 2088.

[0055] One application scenario of the slip ring structure of the present application is that the positioning inner ring 2082 is fixedly connected with the support frame 207, the rotating outer ring 2081 is fixedly connected with the rotary frame of the scanning assembly, and when the first gear 2088 rotates under the driving of the driving motor 210 and the second gear 209, the rotating outer ring 2081 rotates relative to the positioning inner ring 2082, and at the same time, it can drive the rotary frame to rotate relative to the support frame 207, realizing the relative rotation of the scanning assembly and the support assembly, and further realizing the spiral scanning of the CT system.

[0056] It is worth noting that the large-size spiral CT scanning device is a specific application scenario of the slip ring structure of the present application, but it is not a limitation on the protection scope of the slip ring structure of the present application; that is, the slip ring structure of the present application can also be applied to other specific application scenarios of large rotary motion.

[0057] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A slip ring structure for industrial helical CT, characterized by, The utility model relates to a kind of rotating outer ring (2081), positioning inner ring (2082), conductive slip ring (2084) and roller assembly comprising: The rotating outer ring (2081) is arranged with the positioning inner ring (2082), and the coaxial line of both; The side of the positioning inner ring (2082) is rotatably installed with multiple groups of roller assemblies;The rotating outer ring (2081) is installed outside multiple groups of roller assemblies;The roller assembly is in rolling contact with the inner side of rotating outer ring (2081), for supporting rotating outer ring (2081), and then the rotating outer ring (2081) is rotatably installed on the side of the positioning inner ring (2082) by multiple groups of roller assemblies; The roller assembly includes: roller (2083), positioning shaft (2085) and positioning bearing (2087);The positioning shaft (2085) is fixedly connected with roller (2083) at one end, and is rotatably installed on the positioning inner ring (2082) by positioning bearing (2087) at the other end; The positioning shaft (2085) is installed with conductive slip ring (2084), and the conductive slip ring (2084) is used to realize the power transmission between the rotating outer ring (2081) and the positioning inner ring (2082). The side of the positioning inner ring (2082) is provided with a plurality of cylindrical bearing installation grooves;The outer ring of the positioning bearing (2087) is fixedly installed in the bearing installation groove by interference fit.

2. Slip ring structure for industrial spiral CT according to claim 1, characterized in that The positioning shaft (2085) is fixedly installed in the inner ring of the positioning bearing (2087) by interference fit, realizes the rotatable installation of the positioning shaft (2085) on the positioning inner ring (2082), and then the roller (2083) can rotate relative to the positioning inner ring (2082).

3. The slip ring structure for industrial spiral CT according to claim 1, characterized in that, Multiple groups of roller assemblies are arranged on the side of the positioning inner ring (2082), and the multiple groups of roller assemblies are arranged in a ring shape.

4. The slip ring structure for industrial spiral CT according to claim 1, characterized in that, The roller (2083) is drum-shaped as a whole.

5. The slip ring structure for industrial helical CT according to claim 1, wherein The outer surface of the roller (2083) is provided with a metal contact ring (2086);The inner side of the rotating outer ring (2081) is provided with an arc-shaped conductive ring (2089) with a concave surface;The metal contact ring (2086) is in contact with the inner surface of the arc-shaped conductive ring (2089) and can transmit electric energy.

6. Slip ring structure for industrial spiral CT according to any of claims 1-5, characterized in that, The rotor part of the conductive slip ring (2084) is fixedly connected with the positioning shaft (2085);The stator part of the conductive slip ring (2084) is fixedly connected with the positioning inner ring (2082);When the positioning shaft (2085) rotates relative to the positioning inner ring (2082), the conductive slip ring (2084) can realize rotary power supply.

7. The slip ring structure for industrial spiral CT according to claim 6, characterized in that, The rotor part of the conductive slip ring (2084) is electrically connected with the metal contact ring (2086) on the roller (2083) through the first cable.

8. The slip ring structure for industrial spiral CT according to claim 7, characterized in that, The stator part of the conductive slip ring (2084) is electrically connected with the power supply equipment through the second cable.

9. The slip ring structure for industrial spiral CT according to claim 8, characterized in that, The surface of the positioning shaft (2085) is provided with a first cable clamping groove for installing the first cable;A second cable clamping groove is provided on the positioning inner ring (2082) for allowing the second cable to pass through.

10. The slip ring structure for industrial spiral CT according to claim 9, characterized in that,