Propelling device for quantitative CT (Computed Tomography) scanner
By using a servo motor-driven lead screw and belt transmission system, the problem of inconvenient movement of traditional mobile stages has been solved, enabling flexible, fast, and precise movement of the mobile stage, thereby improving the detection efficiency of CT scanners and patient comfort.
Patent Information
- Application Number
- CN202422882761.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Traditional mobile stations have limited range and slow speed, resulting in long patient positioning time, high noise and vibration, which affect comfort and testing efficiency.
The system employs a servo motor-driven lead screw and belt transmission system, combined with a threaded sleeve and sliding joint design, to achieve flexible, fast, and precise movement of the moving table.
The patient can quickly adjust to the optimal testing position, improving the detection efficiency of the CT scanner, reducing noise and vibration, and increasing patient comfort.
Smart Images

Figure CN223504233U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of CT scanner technology, specifically relating to a quantitative CT scanner propulsion device. Background Technology
[0002] A quantitative CT scanner is a medical device that can quantitatively measure the internal tissues of the human body. It measures the amount of X-rays absorbed after passing through the tissue and converts it into CT values, thereby enabling quantitative analysis of tissue density.
[0003] A CT scanner with publication number CN211484626U discloses a main body with a worktable inside and a movable stage slidingly mounted on the worktable. This patent has the following problems:
[0004] The limited range of motion of the mobile platform makes it impossible to flexibly adjust to meet the needs of patients with different body shapes and positions. Secondly, the slow movement speed of the mobile platform causes patients to spend a long time in the positioning process, which not only increases the patient's anxiety but also reduces the detection efficiency of CT scans. Traditional mobile platforms may generate a lot of noise and vibration during movement, further affecting the patient's comfort. Utility Model Content
[0005] The purpose of this invention is to provide a quantitative CT scanner propulsion device that solves the problem of inconvenient movement of traditional mobile stages, and enables flexible, fast and precise movement of the mobile stage.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a quantitative CT scanner propulsion device, comprising...
[0007] A support base, wherein a support platform is provided on the top of the support base;
[0008] A mobile platform, which is located above a support platform, and both the mobile platform and the support platform are equipped with propulsion components;
[0009] The propulsion component includes a receiving groove inside the support platform, two bearings installed at the bottom of the receiving groove, a lead screw connected to the two bearings, a servo motor installed at the opening of the receiving groove, with the output shaft of the servo motor connected to one of the lead screws, two pulleys on the two lead screws, with belts on the two pulleys, a sliding opening at the top of the support platform, and a threaded sleeve at the bottom of the moving platform connected to the lead screw, with the threaded sleeve moving within the sliding opening.
[0010] Preferably, the bottom of the servo motor is provided with a fastening lug, and the fastening lug is connected to the support platform.
[0011] Preferably, it also includes a plurality of placement slots opened on the top of the support platform, wooden ball bearings disposed inside the placement slots, and one end of the wooden ball bearings abutting against the bottom of the moving platform.
[0012] Preferably, the top of the mobile platform has a groove, and the groove is arc-shaped.
[0013] Preferably, it also includes a quantitative CT scanner body disposed on one side of the support base or support platform, and a baffle is installed on the top of the support platform away from the quantitative CT scanner body.
[0014] Preferably, the baffle is a cuboid structure, and a rubber pad is installed on one side surface of the baffle.
[0015] Preferably, the other side surface of the baffle is provided with symmetrically distributed fasteners, and the fasteners are installed on the top of the support platform.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] Through the designed propulsion components, the mobile stage can be moved closer to or away from the quantitative CT scanner body, allowing the patient on the mobile stage to be quickly adjusted to the optimal detection position of the scanner, thereby significantly improving the detection efficiency of the CT scanner, solving the problem of inconvenient movement of traditional mobile stages, and realizing flexible, fast and accurate movement of the mobile stage. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the moving structure of the driving moving platform of this utility model;
[0020] Figure 3 For the present utility model Figure 2 A schematic diagram of the enlarged structure of region G in the diagram;
[0021] Figure 4 This is a schematic diagram of the baffle fastening structure of this utility model;
[0022] In the diagram: 1. Quantitative CT scanner body; 2. Support base; 3. Support platform; 31. Placement slot; 32. Receiving slot; 4. Moving stage; 41. Groove; 5. Baffle; 51. Fastener; 6. Rubber pad; 71. Bearing; 72. Lead screw; 73. Threaded sleeve; 74. Pulley; 75. Servo motor; 76. Belt; 8. Wooden ball bearing. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example 1
[0025] Please see Figures 1-3 This is the first embodiment of the present invention, which provides a quantitative CT scanner propulsion device, including...
[0026] Support base 2, and support platform 3 is provided on the top of support base 2 to increase support for support platform 3;
[0027] It also includes a quantitative CT scanner body 1 installed on one side of the support base 2 and the support platform 3, thus realizing the addition of the quantitative CT scanner body 1.
[0028] A movable stage 4 is located above a support stage 3. The patient lies on the movable stage 4. Both the movable stage 4 and the support stage 3 are equipped with a propulsion component. The propulsion component includes a receiving groove 32 opened inside the support stage 3, which realizes the opening of the receiving groove 32. Two bearings 71 are installed at the bottom of the receiving groove 32 by screws, which realizes the stable installation of the bearings 71. A lead screw 72 is connected to the two bearings 71. A servo motor 75 is installed at the opening of the receiving groove 32, and the output shaft of the servo motor 75 is connected to one of the lead screws 72. When the servo motor 75 is working, it drives one of the lead screws 72 to rotate. Two pulleys 74 are set on the two lead screws 72. A belt 76 is provided on the pulley 74. When the lead screw 72 rotates, it drives the pulley 74 to rotate. Through the transmission of the belt 76, the other lead screw 72 is rotated. The sliding opening is opened on the top of the support platform 3. The threaded sleeve 73 is set at the bottom of the moving platform 4 and connected to the lead screw 72. The threaded sleeve 73 moves within the sliding opening. When the lead screw 72 rotates, the threaded sleeve 73 can move left and right. When the threaded sleeve 73 moves left and right, it can drive the moving platform 4 to move closer to or away from the quantitative CT scanner body 1, so that the patient on the moving platform 4 can be quickly adjusted to the optimal detection position of the scanner, thereby significantly improving the detection efficiency of the CT scanner.
[0029] In this embodiment, preferably, the bottom of the servo motor 75 is provided with a fastening ear, which realizes the addition of the fastening ear, and the fastening ear is connected to the support platform 3 by screws, so that the fastening ear is installed firmly, thereby better supporting the servo motor 75.
[0030] In this embodiment, preferably, it also includes a plurality of placement slots 31 opened on the top of the support platform 3, realizing the opening of the placement slots 31, and wooden ball bearings 8 set inside the placement slots 31, realizing the addition of wooden ball bearings 8, and one end of the wooden ball bearings 8 abuts against the bottom of the moving platform 4. When the moving platform 4 moves left and right, the cooperation of the wooden ball bearings 8 improves the convenience of left and right movement and reduces the noise of movement.
[0031] In this embodiment, preferably, the top of the mobile platform 4 is provided with a groove 41, and the groove 41 is arc-shaped, which increases the convenience for the patient when lying down.
[0032] Example 2
[0033] Please see Figures 1-4 This is the second embodiment of the present invention, which is based on the previous embodiment, but differs in that:
[0034] A baffle 5 is installed on the top of the support platform 3 away from the quantitative CT scanner body 1. The baffle 5 limits the movement position of the moving stage 4. The baffle 5 has a cuboid structure, and a rubber pad 6 is installed on one side surface of the baffle 5 to increase the cushioning of the moving stage 4 against the baffle 5. The other side surface of the baffle 5 is provided with symmetrically distributed fasteners 51, which realizes the addition of fasteners 51. The fasteners 51 are installed on the top of the support platform 3 by screws, so that the fasteners 51 are installed firmly, thereby helping to increase the stability of the baffle 5 installation.
[0035] The working principle and usage process of this utility model are as follows: When in use, the patient lies in the arc-shaped groove 41 of the moving stage 4. The servo motor 75 drives a lead screw 72 to rotate. When the lead screw 72 rotates, it drives the pulley 74 to rotate. Through the transmission of the belt 76, the other lead screw 72 is rotated. When the lead screw 72 rotates, the threaded sleeve 73 can move left and right. When the threaded sleeve 73 moves left and right, it can drive the moving stage 4 to move closer to or away from the quantitative CT scanner body 1, so that the patient on the moving stage 4 can be quickly adjusted to the optimal detection position of the scanner, thereby significantly improving the detection efficiency of the CT scanner.
[0036] Although embodiments of the present invention have been shown and described in detail above, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A quantitative CT scanner propulsion device, characterized in that: include Support base (2), the top of which is provided with a support platform (3); A mobile platform (4) is located above a support platform (3), and both the mobile platform (4) and the support platform (3) are equipped with propulsion components. The propulsion component includes a receiving groove (32) opened inside the support platform (3), two bearings (71) installed at the bottom of the receiving groove (32), a lead screw (72) connected to the two bearings (71), a servo motor (75) installed at the opening of the receiving groove (32), and the output shaft of the servo motor (75) is connected to one lead screw (72), two pulleys (74) set on the two lead screws (72), and belts (76) set on the two pulleys (74), a sliding opening opened at the top of the support platform (3), and a threaded sleeve (73) set at the bottom of the moving platform (4) and connected to the lead screw (72), and the threaded sleeve (73) moves within the sliding opening.
2. The quantitative CT scanner propulsion device according to claim 1, characterized in that: The servo motor (75) has a fastening lug at its bottom, and the fastening lug is connected to the support platform (3).
3. The quantitative CT scanner propulsion device according to claim 1, characterized in that: It also includes multiple placement slots (31) opened on the top of the support platform (3), wooden balls (8) set inside the placement slots (31), and one end of the wooden balls (8) abutting the bottom of the moving platform (4).
4. The quantitative CT scanner propulsion device according to claim 1, characterized in that: The top of the mobile platform (4) is provided with a groove (41), and the groove (41) is arc-shaped.
5. The quantitative CT scanner propulsion device according to claim 1, characterized in that: It also includes a quantitative CT scanner body (1) disposed on one side of the support base (2) and the support platform (3), and a baffle (5) is installed on the top of the support platform (3) away from the quantitative CT scanner body (1).
6. The quantitative CT scanner propulsion device according to claim 5, characterized in that: The baffle (5) is a cuboid structure, and a rubber pad (6) is installed on one side surface of the baffle (5).
7. The quantitative CT scanner propulsion device according to claim 6, characterized in that: The other side surface of the baffle (5) is provided with symmetrically distributed fasteners (51), and the fasteners (51) are installed on the top of the support platform (3).
Citation Information
Patent Citations
CT scanner
CN211484626U