CN220851612U - Suspension device and X-ray imaging system - Google Patents

Abstract

The application provides a suspension device and an X-ray imaging system. The suspension device comprises a transverse guide rail, a longitudinal guide rail, a telescopic cylinder and a pulley, wherein the transverse guide rail and the longitudinal guide rail are vertically installed, the longitudinal guide rail is installed on a ceiling, the transverse guide rail is installed on the longitudinal guide rail, the pulley comprises a frame structure, and the frame structure is installed on the transverse guide rail and connected with the telescopic cylinder.

Description

Suspension device and X-ray imaging system

Technical Field

The present utility model relates to medical imaging technology, and more particularly to a suspension device and an X-ray imaging system.

Background

In an X-ray imaging system, radiation from an X-ray source is directed to a subject, typically a patient in a medical diagnostic application. A portion of the radiation passes through the object under examination and impinges on a detector which is divided into a matrix of discrete elements, e.g. pixels. The detector elements are read out to generate an output signal based on the amount or intensity of radiation impinging each pixel area. The signals may then be processed to generate a medical image that may be displayed for viewing, which may be displayed in a display device of an X-ray imaging system.

The suspension device is installed on the ceiling and comprises a pulley, the pulley comprises a frame structure, the frame structure is usually obtained by welding different plates or is obtained by processing an aluminum casting, but the scheme has certain problems, the welded frame structure is large in overall size and large in space occupation for reinforcement, a motion control module or a component arranged in the frame structure is not easy to replace and maintain, certain cracks or bubbles and the like exist in the frame structure of the aluminum extrusion part due to the process, loss exists, and casting related dies, jig investment and long-term subsequent maintenance are needed, so that the overall cost is high.

Disclosure of utility model

The utility model provides a suspension device and an X-ray imaging system.

Exemplary embodiments of the present utility model provide a suspension device. The suspension device comprises a transverse guide rail, a longitudinal guide rail, a telescopic cylinder and a pulley, wherein the transverse guide rail and the longitudinal guide rail are vertically installed, the longitudinal guide rail is installed on a ceiling, the transverse guide rail is installed on the longitudinal guide rail, the pulley comprises a frame structure, the frame structure is installed on the transverse guide rail and connected with the telescopic cylinder, and the frame structure is obtained by bending a processing plate.

Specifically, the processed plate is bent to form a rectangular frame with an opening, and the frame structure further comprises a connecting groove which is arranged at the opening to form a closed frame structure.

Specifically, the frame structure includes opposite first and second sides connected to the transverse rail, and third and fourth sides connected between the first and second sides, the first, second, third and fourth sides collectively forming a hollow portion.

Specifically, the frame structure includes a reinforcement member fixed between the first side and the second side, and the reinforcement member partitions the hollow portion into a first hollow portion and a second hollow portion.

Specifically, the reinforcement includes parallel arrangement's first reinforcement and second reinforcement, first reinforcement is used for connecting balance spring, the second reinforcement is used for installing perpendicular subassembly and scalable section of thick bamboo.

Specifically, the pulley further comprises two barrel connectors mounted at the junction of the third side and the first side, and at the junction of the third side and the second side, the barrel connectors and the second reinforcement jointly securing the telescoping barrel.

In particular, the first and second sides of the second hollow portion include oppositely disposed grooves that are capable of exposing the clutch and encoder of the vertical assembly, respectively.

Specifically, two ends of the first side and two ends of the second side of the frame structure are respectively provided with a first through hole, and the first through holes are used for being connected with four rollers arranged on the transverse guide rail.

Specifically, the pulley further comprises four supporting blocks which are respectively arranged outside the first through holes, the supporting blocks comprise second through holes which are aligned with the first through holes, and the first through holes and the second through holes form through holes which are connected with the rollers together.

Exemplary embodiments of the present utility model provide an X-ray imaging system. The X-ray imaging system comprises a suspension device, wherein the suspension device comprises a transverse guide rail and a longitudinal guide rail which are vertically installed, a telescopic cylinder and a pulley, the longitudinal guide rail is installed on a ceiling, the transverse guide rail is installed on the longitudinal guide rail, the pulley comprises a frame structure, the frame structure is installed on the transverse guide rail and connected with the telescopic cylinder, and the frame structure is formed by bending a processing plate.

Other features and aspects will become apparent from the following detailed description, the accompanying drawings, and the claims.

Drawings

The utility model may be better understood by describing exemplary embodiments thereof in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an X-ray imaging system in accordance with some embodiments of the application;

FIG. 2 is a schematic view of a sled at a first angle according to some embodiments of the present application;

FIG. 3 is a schematic view of a frame structure in the sled according to FIG. 2;

FIG. 4 is a schematic view of a frame structure in the sled according to FIG. 2;

FIG. 5 is a schematic view of a frame structure in the sled according to FIG. 2;

FIG. 6 is a schematic view of a frame structure in the sled according to FIG. 2;

FIG. 7 is a schematic view of a sled at a second angle according to some embodiments of the present application; and

Fig. 8 is a schematic view of a sled at a third angle according to some embodiments of the present application.

Detailed Description

In the following, specific embodiments of the present utility model will be described, and it should be noted that in the course of the detailed description of these embodiments, it is not possible in the present specification to describe all features of an actual embodiment in detail for the sake of brevity. It should be appreciated that in the actual implementation of any of the implementations, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.

Unless defined otherwise, technical or scientific terms used in the claims and specification should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are immediately preceding the word "comprising" or "comprising", are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, nor to direct or indirect connections.

Fig. 1 illustrates an X-ray imaging system 100 according to some embodiments of the utility model. As shown in fig. 1, the X-ray imaging system 100 includes a suspension apparatus 110, a column (WALL STAND) apparatus 120, and a couch apparatus 130. The suspension 110 includes a rail assembly, a telescoping cylinder 113, a sled 114, and a bulb assembly 115.

The rail assembly includes a vertically disposed longitudinal rail 111 and a transverse rail 112, wherein the longitudinal rail 111 is mounted on the ceiling and the transverse rail 112 is mounted on the longitudinal rail 111. Telescoping barrel 113 is used to carry bulb assembly 115.

For convenience of description, in the present application, the x-axis, the y-axis, and the z-axis are defined as being in a horizontal plane and perpendicular to each other, and the z-axis is perpendicular to the horizontal plane, specifically, the direction in which the longitudinal rail 111 is located is defined as the x-axis, the direction in which the lateral rail 112 is located is defined as the y-axis direction, the extension direction of the telescopic tube 113 is defined as the z-axis direction, and the z-axis direction is the vertical direction.

The pulley 114 is disposed between the transverse guide rail 112 and the telescopic cylinder 113, and the suspension device further includes a driving assembly (not shown in the figure), where the driving assembly is disposed in the pulley 114, and the driving assembly may include a rotating shaft, a motor, a winding drum, and other components, and the motor can drive the winding drum to rotate around the rotating shaft, so as to drive the telescopic cylinder 113 to move along the z-axis and/or slide relative to the transverse guide rail. The sled 114 is capable of sliding relative to the cross rail 112, i.e., the sled 114 is capable of moving the telescoping tube 113 and/or the bulb assembly 115 in the y-axis direction. And the transverse guide rail 112 can slide relative to the longitudinal guide rail 111, so as to drive the telescopic cylinder 113 and/or the bulb assembly 115 to move along the x-axis direction. The internal structure of the sled will be further described later in connection with fig. 2.

The telescopic cylinder 113 comprises a plurality of cylinders with different inner diameters, and the cylinders can be sleeved in the cylinders on the telescopic cylinder from bottom to top in sequence to realize telescopic operation, and the telescopic cylinder 113 can be telescopic (or movable) in the vertical direction, namely, the telescopic cylinder 113 can drive the bulb assembly to move along the z-axis direction. The lower end of the telescopic cylinder 113 is further provided with a rotating part which can rotate the bulb assembly 115.

The bulb assembly 115 includes an X-ray tube that can generate X-rays and project the X-rays toward a desired region of interest ROI of a patient. In particular, the X-ray tube may be positioned adjacent to a beam limiter 117, the beam limiter 117 being used to align the X-rays to the intended region of interest of the patient. At least a portion of the X-rays may be attenuated by the patient and may be incident upon the detector 121/131.

The suspension apparatus 110 further includes a bulb controller (bulb) 116, and the bulb controller 116 is mounted on the bulb assembly, and the bulb controller 116 includes a display screen, control buttons, and other user interfaces for performing preparation work before photographing, such as patient selection, protocol selection, and positioning.

The movements of the suspension 110 include movements of the bulb assembly along the x, y and z axes, and rotations of the bulb assembly in the horizontal plane (with the axis of rotation parallel or coincident with the z axis) and in the vertical plane (with the axis of rotation parallel to the y axis), in which movements the respective components are typically rotated by motor-driven shafts to effect the respective movements or rotations, and the respective control components are generally mounted within the sled 114. The X-ray imaging unit further comprises a motion control unit (not shown in the figures) capable of controlling the above-mentioned movement of the suspension 110, and further, capable of receiving control signals to control the respective components to move accordingly.

Column assembly 120 includes a first detector assembly 121, column 122, and connection 123. The connection part 123 includes a support arm vertically connected to the height direction of the upright 122 and a rotating bracket mounted on the support arm, the first probe assembly 121 is mounted on the rotating bracket, the upright device 120 further includes a probe driving device disposed between the rotating bracket and the first probe assembly 121, and the first probe assembly 121 is further rotatable relative to the support arm to form an angle with the upright by being driven by the probe driving device to move in a direction parallel to the height direction of the upright 122 on a plane lifted by the rotating bracket. The first detector assembly 121 has a plate-like structure whose direction is changeable so as to make the X-ray incident surface vertical or horizontal according to the incident direction of the X-rays.

The second detector assembly 131 is included on the detection bed device 130, and the selection or use of the first detector assembly 121 and the second detector assembly 131 can be determined based on the shooting position and/or the shooting protocol of the patient, and can also be determined based on the position of the detected object obtained by shooting with a camera, so as to perform shooting inspection of the lying position or the standing position. Fig. 1 shows only one example of a column and a test bed, and it should be understood by those skilled in the art that any form or arrangement of columns and/or test beds may be selected and installed, and that the columns and/or test beds are not limiting to the overall solution of the present application.

The X-ray imaging system further comprises a control device (not shown) which may be a main controller located in the control room, a bulb controller mounted on the suspension device, a movable or portable controller or any combination of the above. The control means may comprise a source controller and a detector controller. The source controller is used for commanding the X-ray source to emit X-rays for image exposure. The detector controller is used to select an appropriate detector among a plurality of detectors and coordinate control of various detector functions, for example, to automatically select a corresponding detector according to the position or posture of a detected object, or to perform various signal processing and filtering functions, in particular, initial adjustment of a dynamic range, interleaving of digital image data, and the like. In some embodiments, the control device may provide power and timing signals for controlling the operation of the X-ray source and detector.

In some embodiments, the control device may also be configured to reconstruct one or more desired images and/or determine useful diagnostic information corresponding to the patient using the digitized signals, wherein the control device may include one or more special purpose processors, graphics processing units, digital signal processors, microcomputers, microcontrollers, application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs), or other suitable processing devices.

Of course, the X-ray imaging system may also include other numbers or configurations or forms of control devices, e.g., the control devices may be local (e.g., co-located with one or more of the X-ray imaging systems 100, e.g., within the same facility and/or the same local network); in other implementations, the control device may be remote and therefore only accessible via a remote connection (e.g., via the internet or other available remote access technology). In particular implementations, the control device may also be configured in a cloud-like manner and may be accessed and/or used in a manner substantially similar to the manner in which other cloud-based systems are accessed and used.

In one embodiment, the X-ray imaging system 100 further includes an operator workstation that allows a user to receive and evaluate the reconstructed image, as well as to input control instructions (operational signals or control signals). The operator workstation may include a user interface (or user input device) such as some form of operator interface such as a keyboard, mouse, voice activated controller, or any other suitable input device through which an operator may input operating/control signals to the control apparatus.

Fig. 2 illustrates a schematic view of a sled 200 of a suspension device according to some embodiments of the present utility model. As shown in fig. 2, the trolley 200 is mounted on the transverse rail 112, and the transverse rail 112 is vertically mounted on the longitudinal rail 111, and the trolley 200 includes a frame structure 210, the frame structure 210 is mounted on the transverse rail, and the frame structure 210 can be connected with the telescopic cylinder 113, and the frame structure 210 is formed by bending a processed plate.

The juncture of the transverse guide rail 112 and the longitudinal guide rail 111 is provided with the guide rail driving assembly 101, the guide rail driving assembly 101 is arranged at the bottom of the longitudinal guide rail 111 and at the side edge of the transverse guide rail 112, and the guide rail driving assembly 101 can drive the transverse guide rail 112 to move relative to the longitudinal guide rail 111 so as to drive the telescopic cylinder and the X-ray source to move.

The frame structure 210 includes first and second sides 211, 212 connected to the cross rail 112, and third and fourth sides 213, 214 connected between the first and second sides.

Fig. 3-5 illustrate schematic diagrams of some embodiments of frame structures formed from bending of a processed sheet material. Fig. 3 shows a schematic view of a sheet of frame construction, which is formed by bending a sheet of material as shown in fig. 3, the processed sheet being bent to form a rectangular frame with openings as shown in fig. 4. Fig. 5 shows a schematic view of a rectangular frame with connecting grooves formed therein.

Fig. 3 shows the shape of a processed sheet, which includes a body portion, as shown in fig. 3, which is elongated. Specifically, the work sheet includes a first portion 201 for forming a first side of the frame structure, third and fourth portions 203 and 204 on opposite sides of the first portion 201 for forming third and fourth sides, respectively, and a second portion 202 on opposite sides of the third and fourth portions 203 and 204 for forming a second side of the frame structure.

In some embodiments, the processing board is further provided with a plurality of bending points, in particular, a plurality of bending points are arranged between the main body parts, so as to bend the processing board to form a preset frame structure, for example, a rectangular frame. Specifically, a bending portion is disposed between the second portion 202 and the third portion 203, and similarly, a bending portion is disposed between the third portion 203 and the first portion 201, a bending portion is disposed between the first portion 201 and the fourth portion 204, and a bending portion is disposed between the fourth portion 204 and the second portion 202.

In addition, the processed sheet material further includes an extension portion provided at the top or bottom of the elongated shape to form a frame of the top or bottom of the frame structure after bending. Specifically, the bottoms of the first portion 201 and the second portion 202 have an extension portion, and a bending portion is formed between the bottoms and the extension portion, and the tops of the third portion 203 and the fourth portion 204 have an extension portion, and a bending portion is also formed between the tops and the extension portion. That is, the bottoms of the two sides of the frame structure connected to the lateral guide rail are provided with the extension portions, and the tops of the remaining two sides are provided with the extension portions, so that the rigidity and stability of the frame structure can be increased. In some embodiments, the two sides of the rectangular frame or frame structure that are connected to the transverse rails, i.e., the first side and the second side, or the extensions of both sides in the length direction thereof, are bent outwardly, while the extensions of the other two sides are bent inwardly.

The processing plate is further provided or opened with a plurality of through holes, openings or mounting positions for fixing other components in the pulley or for fixing the frame structure. In some embodiments, bending refers to rotating one portion of the sheet material relative to another portion by a predetermined angle (e.g., 90 degrees) in a predetermined direction (inward or outward) such that the two portions of the sheet material have a predetermined included angle therebetween. The processed sheet material is a sheet material obtained by cutting a sheet material (e.g., a steel sheet) in a predetermined shape and size and providing at least one bent portion, a through hole, a processing station, or the like thereon.

As shown in fig. 4-5, in some embodiments, the tooling sheet of fig. 3 is bent to form a rectangular frame having an opening 207, the opening 207 being located on either side of the rectangular frame, the frame structure further including a connecting slot 215, the connecting slot 215 being mounted at the opening 207 to form a closed frame structure 210.

Specifically, the opening 207 is located on the second side 212 of the rectangular frame, that is, the opening 207 is formed by reserving dimensions on the second portion of the work sheet, that is, the second portion has a difference in size from the first portion in width of the opening 207.

The two sides of the opening 207 also have connecting slot mounting locations 208 formed by bending, and the connecting slot 215 can be fixed on the connecting slot mounting locations 208 by screws to fix the connecting slot 215 at the opening 207 to form a closed frame structure 210. Specifically, the attachment slot mounting portion 208 is also formed by bending a plate material. Specifically, the attachment slot mounting location 208 includes two through holes for securing the attachment slot to the frame structure with two screws.

In some embodiments, the connecting slot 215 is a concave slot, in which the side of the connecting slot 215 is hollow, i.e., the side is substantially the same as the thickness of the connecting slot mounting location 208, which can increase the volume of the enclosed space within the frame structure to increase the space within the frame structure for facilitating subsequent installation or maintenance operations.

Through reserving the opening after bending the processing panel, can make frame construction's installation more convenient, the spread groove sets up to the indent moreover, can increase the inside space of frame construction, increases the operating portion of inside hollow part.

In other embodiments, the process sheet may be bent directly to form a closed frame structure, for example, by directly securing two attachment slots together with screws, i.e., without forming openings and then securing or attaching the attachment slots, the process sheet may be bent directly to form a closed frame structure.

The first side 211, the second side 212, the third side 213, and the fourth side 214 (and the connecting slot 215) of the frame structure 210 together form a hollow 230.

Fig. 6 shows a schematic diagram of a frame structure of some embodiments. Fig. 7 shows a schematic view of the sled in some embodiments at a second angle. As shown in fig. 6 to 7, the frame structure 210 includes a reinforcement 220 fixed between the first side 211 and the second side 212, and the reinforcement 220 partitions the hollow portion 230 into a first hollow portion 231 and a second hollow portion 232.

Specifically, the reinforcement 220 includes a first reinforcement 221 and a second reinforcement 222 disposed in parallel, the first reinforcement 221 being used to connect the balance spring 310, and the second reinforcement 222 being used to mount the vertical assembly 320 and the telescopic cylinder 113.

Specifically, the reinforcement 220 is disposed parallel to the third side 213 and the fourth side 214, specifically, the first reinforcement 221 is disposed adjacent to the fourth side 214, the first reinforcement 221, the fourth side 214, and the portions of the first side 211 and the second side 212 connected therein collectively form a first hollow portion 231, the second reinforcement 222 is disposed adjacent to the third side 213, and the second reinforcement 222, the third side 213, and the portions of the first side 211 and the second side 212 connected therein collectively form a second hollow portion 232.

In some embodiments, the first reinforcement 221 is shaped to approximate a rectangular parallelepiped, and an opening (or recess) is provided in the middle of the bottom of the first reinforcement 221, the first reinforcement 221 can be used to connect or support the balance spring, and the opening can be used to connect a portion of the wire through the balance spring 310. In some embodiments, the connecting slot 215 is located in a first hollow portion, and the first hollow portion is primarily for receiving the balance spring 310, and the groove of the connecting slot can facilitate adjusting the tension of the balance spring.

The shape of the second reinforcement 222 is also nearly rectangular, and the second reinforcement 222 can be used to connect the vertical assembly 320 and the telescopic cylinder 113 on the one hand, and the reinforcing bars on the other hand, can strengthen the rigidity and strength of the entire frame structure.

In some embodiments, the second hollow 232 is primarily for mounting the vertical assembly 320 and the telescoping cylinder 113. Specifically, the vertical assembly 320 includes a drum 321, a motor 322, and a wire rope 323, the motor 322 being capable of driving the drum 321 to rotate to wind or release the wire rope 323 (including a main wire rope and a standby wire rope), one end of the wire rope 323 being fixed to a lowermost column of the telescopic drum 113, and the other end being fixed to the balance spring 310 through the drum. Specifically, the winding drum 321 includes a rotating shaft, the winding drum 321 can rotate around the rotating shaft, the wire rope 323 is wound on the winding drum 321, the motor 322 can drive the winding drum 321 to rotate around the rotating shaft, the wire rope 323 can be rolled up or released, and then the telescopic drum is driven to lift. Specifically, an opening or recess is provided in the middle of the top of the second reinforcement 222 to allow the wire rope 323 to pass through or be received.

Of course, the components of the first hollow portion and the second hollow portion may be interchanged, for example, the first hollow portion for receiving the vertical assembly and the telescoping cylinder and the second hollow portion for receiving the balance spring.

In some embodiments, both ends of the first reinforcement 221 and the second reinforcement 222 include a fixed mounting position perpendicular to the body portions of the first reinforcement 221 and the second reinforcement 222, which can be fitted to the inner walls of the first side and the second side, and a screw can fix the first reinforcement 221 and the second reinforcement 222 to the first side and the second side through the fixed mounting position.

In some embodiments, the first reinforcement 221 and the second reinforcement 222 are disposed in parallel, and have a certain interval, and the interval can be used for placing the circuit board box, however, the interval between the first reinforcement 221 and the second reinforcement 222 may not be disposed, and may be determined according to the layout of other components in the pulley.

In some embodiments, the sled further includes two barrel connectors 240 mounted on a side of the second hollow portion 232 remote from the second stiffener 222, the barrel connectors 240 and the second stiffener 222 securing the telescoping barrel 113 together. Specifically, the barrel connector is located at the junction of the third side and the first side, and at the junction of the third side and the second side, respectively.

In some embodiments, the barrel connector 240 includes a first barrel connector secured at a connecting corner of the third side 213 and the first side 211 and a second barrel connector secured at a connecting corner of the third side 213 and the second side 212, the barrel connector having a generally right-angled triangular shape, the barrel connector being capable of being secured to a frame structure, although the barrel connector could be bent directly from a sheet of material.

Specifically, the telescopic cylinder comprises a plurality of cylinders which are sleeved in sequence, the uppermost cylinder is fixed through the cylinder connecting piece and the second reinforcing piece, the lowermost cylinder is connected with the steel wire rope in the vertical component, a transmission device is also arranged between the cylinders, and under the driving of the vertical component, the lowermost cylinder of the telescopic cylinder can be lifted relatively, so that the lifting of the telescopic cylinder is realized.

The first side 211 and the second side 212 of the second hollow portion 232 include oppositely disposed grooves 250, the grooves 250 being positioned to correspond to the vertical members 320 of the suspension device, the grooves being capable of exposing the clutches and encoders of the vertical members, respectively, to expose the clutches and encoders.

Specifically, the two ends of the winding drum 321, that is, the two ends of the rotating shaft are further provided with a clutch and an encoder, the clutch can be used for controlling the rotating shaft to stop rotating, the encoder can be used for recording and feeding back the rotating speed or the rotating number of turns of the rotating shaft, and the like, and the positions of the clutch and the encoder can be exposed by arranging grooves at the positions adjacent to the rotating shaft on the first side and the second side, so that the installation and the maintenance are convenient.

The two ends of the first side 211 and the two ends of the second side 212 of the frame structure are respectively provided with a first through hole 251 (shown in fig. 5), and the first through hole 251 is used for being connected with four rollers 340 (shown in fig. 7) mounted on the lateral guide rail. In some embodiments, the sled further includes four support blocks 252 (as shown in fig. 6) respectively mounted outside the first through holes, the support blocks 252 including second through holes 253 aligned with the first through holes 251, the first through holes 251 and the second through holes 253 together forming through holes connected to the rollers. Specifically, the two ends of the first side 211 and the two ends of the second side 212 of the frame structure are respectively provided with the first through holes, that is, the frame structure itself has four first through holes 251, and after bending, four supporting blocks 252 can be respectively fixed on the two ends of the first side and the two ends of the second side, so that the second through holes of each supporting block can be aligned with the first through holes, and thus the installation holes of the rollers are formed, and the installation holes can be used for installing four rollers.

Specifically, the support block is substantially rectangular and includes a plurality of threaded holes in addition to the second through holes for securing the support block to the frame structure.

Specifically, the roller 340 is disposed in the transverse guide rail, and the roller 340 can move or roll in the transverse guide rail, so as to drive the frame structure to move relative to the transverse guide rail, that is, drive the pulley, and further drive the telescopic cylinder to move relative to the transverse guide rail. By fixing the support blocks on the ends of the first and second sides, the thickness of the mounting hole can be increased to ensure strength and rigidity between the frame structure and the transverse rail. Of course, the frame structure is also connected or fixed to the transverse rail by other mounting locations.

Referring further to fig. 7, in some embodiments, the carriage further includes a stub shaft drive assembly 350 mounted outside the third side 213 of the frame structure, the stub shaft drive assembly 350 being capable of driving the carriage to move relative to the transverse rail, the stub shaft drive assembly 350 being of modular design for ease of installation and subsequent maintenance and replacement. The stub shaft drive assembly 350 includes a motor, timing belt, encoder, etc.

In some embodiments, although the above solutions are mostly implemented by fixing the components in the trolley by screws, for example, fixing the frame structure, fixing the connecting slots at the opening positions of the frame structure, fixing the supporting blocks at the ends, etc., it is also possible to add welding to the connecting positions to strengthen or strengthen the connection during the installation process, so as to further increase the strength.

Fig. 8 shows a schematic view of the sled in some embodiments at a third angle. As shown in fig. 8, the sled further includes a first circuit board case 361 and a second circuit board case 362 therein, wherein the first circuit board case 361 is installed at a side of the second hollow space near the first side 211, and of course, the first circuit board case 361 can also be installed in a space between the first reinforcement and the second reinforcement. The second circuit board housing 362 is mounted on a third side of the frame structure.

According to the suspension device provided by the embodiment of the utility model, the frame structure in the pulley is obtained by bending the processed plate, so that the problems that the frame structure obtained by welding or aluminum casting processing is large in size and weight and easy to have cracks or bubbles and the like are avoided, the weight is light, the problems caused by welding are avoided by fixing the frame structure through screws, the requirements of reinforcement and installation are considered in the stage of processing the plate, and the related installation hole sites are reserved in the processed plate, so that the frame structure is integrally formed and the installation convenience and the strength requirements are considered. In addition, by mounting the fasteners on the frame structure, not only can other components (e.g., balance springs, vertical components) within the carrier be supported, but also reinforcement can be achieved. And many parts in the device adopt a modularized design, so that the device is convenient to maintain and replace.

The present application illustratively provides a suspension apparatus. The suspension device comprises a transverse guide rail, a longitudinal guide rail, a telescopic cylinder and a pulley, wherein the transverse guide rail and the longitudinal guide rail are vertically installed, the longitudinal guide rail is installed on a ceiling, the transverse guide rail is installed on the longitudinal guide rail, the pulley comprises a frame structure, the frame structure is installed on the transverse guide rail and connected with the telescopic cylinder, and the frame structure is obtained by bending a processing plate.

The present application illustratively provides an X-ray imaging system. The X-ray imaging system comprises a suspension device, wherein the suspension device comprises a transverse guide rail and a longitudinal guide rail which are vertically installed, a telescopic cylinder and a pulley, the longitudinal guide rail is installed on a ceiling, the transverse guide rail is installed on the longitudinal guide rail, the pulley comprises a frame structure, the frame structure is installed on the transverse guide rail and connected with the telescopic cylinder, and the frame structure is formed by bending a processing plate.

Some exemplary embodiments have been described above, however, it should be understood that various modifications may be made. For example, suitable results may be achieved if the described techniques were performed in a different order and/or if components in the described systems, architectures, devices or circuits were combined in a different manner and/or replaced or supplemented by additional components or equivalents thereof. Accordingly, other embodiments are within the scope of the following claims.

Claims (10)

1. The utility model provides a suspension device, suspension device includes perpendicular transverse rail and the longitudinal rail of installing, scalable section of thick bamboo and coaster, the longitudinal rail is installed on the ceiling, the transverse rail is installed on the longitudinal rail, the coaster includes frame construction, frame construction installs on the transverse rail and with scalable section of thick bamboo is connected, its characterized in that, frame construction is bent by the processing panel and is obtained.

2. The suspension device of claim 1 wherein the work sheet is bent to form a rectangular frame having an opening, the frame structure further comprising a connecting slot mounted at the opening to form a closed frame structure.

3. The suspension device of claim 1 wherein the frame structure includes opposed first and second sides connected to the transverse rail, and third and fourth sides connected between the first and second sides, the first, second, third and fourth sides collectively forming a hollow.

4. A suspension device as set forth in claim 3 wherein said frame structure includes a reinforcement member secured between said first and second sides and dividing said hollow portion into first and second hollow portions.

5. The suspension device of claim 4, wherein the reinforcement comprises a first reinforcement and a second reinforcement disposed in parallel, the first reinforcement for connecting the balance spring, the second reinforcement for mounting the vertical assembly and the telescoping cylinder.

6. The suspension device of claim 5 wherein the sled further comprises two barrel connectors mounted at the junction of the third side and the first side and at the junction of the third side and the second side, the barrel connectors and the second reinforcement collectively securing the telescoping barrel.

7. The suspension device of claim 5 wherein the first and second sides of the second hollow portion include oppositely disposed grooves capable of exposing the clutch and encoder of the vertical assembly, respectively.

8. A suspension device according to claim 3, wherein both ends of the first side and both ends of the second side of the frame structure are provided with first through holes for connection with four rollers mounted on the lateral guide rail, respectively.

9. The suspension device of claim 8 wherein the sled further comprises four support blocks mounted outside of the first through holes, respectively, the support blocks including second through holes aligned with the first through holes, the first through holes and the second through holes together forming a through hole for connection with the roller.

10. An X-ray imaging system, characterized in that it comprises a suspension device according to any one of claims 1 to 9.