CN112545542A

CN112545542A - C-arm CT equipment

Info

Publication number: CN112545542A
Application number: CN202011426606.3A
Authority: CN
Inventors: 阮威; 徐卫亮
Original assignee: Jiangsu Yiying Medical Equipment Co ltd
Current assignee: Jiangsu Yiying Medical Equipment Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-26
Anticipated expiration: 2040-12-09
Also published as: CN112545542B

Abstract

The invention provides C-shaped arm CT equipment which comprises an equipment body, a C-shaped arm, a first adjusting structure and a second adjusting structure, wherein the first adjusting structure and the second adjusting structure are connected between the C-shaped arm and the equipment body; the equipment body is internally provided with a control unit for controlling various electrical elements; the first adjusting structure is movably connected to the C-shaped arm and electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move up and down; the second adjusting structure is movably connected between the equipment body and the first adjusting structure, is electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move left and right; a gear train module is detachably connected in the first adjusting structure, and a first bearing structure and a first limiting structure are arranged on the gear train module; the inside of the second adjusting structure is detachably connected with a sliding frame, and a second bearing structure and a second limiting structure are arranged on the sliding frame. The C-shaped arm CT equipment has compact structure and convenient installation and adjustment, is integrated with a flashlight and can be switched between manual operation and electric operation.

Description

C-arm CT equipment

Technical Field

The invention relates to the technical field of medical machinery, in particular to C-shaped arm CT equipment.

Background

The C-arm CT apparatus is a commonly used medical imaging apparatus, and is applied to a plurality of medical departments such as patient intervention, orthopedic imaging, trauma, plastic surgery, urology department, etc. in a non-invasive manner. A C-arm CT apparatus generally includes an apparatus body, a C-arm, a support adjustment structure, and an imaging apparatus. Wherein the C-shaped arm is arranged on the equipment body in a sliding way through the supporting and adjusting structure, so that the C-shaped arm can slide up and down relative to the equipment body. The imaging devices are typically arranged at two opposite ends of the C-arm, one end being provided with a radiation source and the other end being provided with an image receptor or detector. The C-arm CT apparatus may be rotated around the object to be detected so that the object to be detected is located between the radiation source and the image receptor or detector.

The existing mobile C-arm CT apparatus mostly adopts a pure manual operation mode or an electric operation mode. When the C-shaped arm CT device is operated simply and manually, the operator is difficult to move and wastes time and labor due to the fact that the C-shaped arm CT device is large. And the pure electric operation C-shaped arm CT equipment cannot be used under the condition that the power is stopped or the driving system fails, so that the treatment of a patient is delayed.

The C-shaped arm is connected to the equipment body in a sliding mode through the supporting and adjusting structure, so that the C-shaped arm can slide up and down, left and right relative to the equipment body. Generally, the support adjusting structure comprises a support structure and an adjusting structure, and the two structures are independently installed on the C-arm CT apparatus and respectively play roles of supporting and adjusting. Generally use eccentric structure as adjusting the structure among the prior art for adjust C shape arm CT equipment, thereby make equipment operation smooth and easy, but eccentric structure time is not hard up easily for a long time, needs often to adjust or change so that equipment continues smooth and easy operation, wastes time and energy.

Accordingly, there is a need for a C-arm CT apparatus to solve the above problems.

Disclosure of Invention

The invention aims to provide a C-arm CT device with integrated supporting and adjusting structure.

In order to achieve the above object, the present invention provides a C-arm CT apparatus comprising a C-arm, an apparatus body, and a first adjusting structure and a second adjusting structure connected between the C-arm and the apparatus body; the equipment body is internally provided with a control unit for controlling various electrical components; the first adjusting structure is movably connected to the C-shaped arm and electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move up and down; the second adjusting structure is movably connected between the equipment body and the first adjusting structure, is electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move left and right; a gear train module is detachably connected in the first adjusting structure, and a first bearing structure and a first limiting structure are arranged on the gear train module; the inside of the second adjusting structure is detachably connected with a sliding frame, and a second bearing structure and a second limiting structure are arranged on the sliding frame.

As a further improvement of the present invention, the first limiting structure includes a first centering wheel assembly, a first adjustable wheel assembly and a first adjusting screw, the first centering wheel assembly and the first adjustable wheel assembly are respectively and correspondingly connected to the left and right sides of a wheel train seat of the wheel train module, and the first adjusting screw is located between the first centering wheel assembly and the first adjustable wheel assembly, penetrates through the first adjustable wheel assembly, and is used for adjusting a gap between the wheel train module and two side walls of the C-shaped arm; the first adjustable wheel assembly comprises a first adjustable roller and a first adjustable wheel plate, and the first adjustable roller is fixedly connected to the first adjustable wheel plate; the first adjusting screw penetrates through the side surface of the first adjustable wheel plate and is used for adjusting the first adjustable wheel plate to move relative to the wheel train seat; the first adjustable wheel plate is provided with a first waist-shaped hole, and the fixing piece is fixedly connected to the wheel train seat through the first waist-shaped hole.

As a further improvement of the present invention, the first load-bearing structure includes a first load-bearing wheel set and a second load-bearing wheel set, and the first load-bearing wheel set is fixedly connected to the wheel train seat and is close to the center of the first adjusting structure; the second bearing wheel set is movably connected to the wheel train seat through a self-adaptive wheel plate and is far away from the center of the first adjusting structure.

As a further improvement of the present invention, the second limiting structure includes a second centering wheel assembly, a second adjustable wheel assembly and a second adjusting screw rod, the second centering wheel assembly and the second adjustable wheel assembly are respectively connected to the carriage frame, the second adjusting screw rod is located between the second centering wheel assembly and the second adjustable wheel assembly, penetrates through the second adjustable wheel assembly, and is used for adjusting a gap between the carriage frame and two side walls of the second adjusting structure; the second adjustable wheel assembly comprises a second adjustable roller and a second adjustable wheel plate, and the second adjustable roller is fixedly connected with the second adjustable wheel plate; the second adjusting screw penetrates through the second adjustable wheel plate and is used for adjusting the second adjustable wheel plate to move relative to the sliding frame; and a second waist-shaped hole is formed in the second adjustable wheel plate, and the fixing piece fixedly connects the second adjustable wheel plate to the scooter frame through the second waist-shaped hole.

As a further improvement of the invention, the first adjusting structure comprises two sets of gear train modules, and the two sets of gear train modules are symmetrically arranged at the upper end and the lower end of the first adjusting structure around the center of the first adjusting structure; and two groups of second limiting structures in the second adjusting structure are arranged, and the two groups of second limiting structures are symmetrically arranged on the sliding trolley frame.

Another object of the present invention is to provide a torch-integrated C-arm CT apparatus.

In order to achieve the above object, the present invention provides a C-arm CT apparatus, comprising a C-arm, an apparatus body, and a first adjusting structure and a second adjusting structure connected between the C-arm and the apparatus body; the equipment body is internally provided with a control unit for controlling various electrical components; the first adjusting structure is movably connected to the C-shaped arm and electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move up and down; the second adjusting structure is movably connected between the equipment body and the first adjusting structure, is electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move left and right; a gear train module is detachably connected in the first adjusting structure, and a first bearing structure and a first limiting structure are arranged on the gear train module; a sliding frame is detachably connected in the second adjusting structure, and a second bearing structure and a second limiting structure are arranged on the sliding frame; the C-shaped arm CT equipment further comprises a clutch, and the clutch is electrically connected with the control unit; when the clutch is powered off, the C-arm CT device starts a power-driven mode; when the clutch is energized, the C-arm CT apparatus initiates a manual mode.

As a further improvement of the present invention, the first adjusting structure includes a first clutch and a first driving motor therein, the first clutch is located between two sets of the train wheel modules of the first adjusting structure and is electrically connected to the control unit; a main driving belt wheel and a first driving belt wheel are connected to a central shaft of the first clutch, the first driving belt wheel is movably connected to the end of the central shaft of the first clutch, and the main driving belt wheel is connected with the C-shaped arm through a main driving synchronous belt; the first driving motor is positioned on the outer side wall of the first adjusting structure, is connected with the first driving belt wheel and is electrically connected with the control unit; the first regulating structure initiates an electric mode when the first clutch is de-energized; the first adjustment feature initiates a manual mode when the first clutch is energized.

As a further improvement of the present invention, an encoder gear is disposed on a central shaft of the first clutch, and the encoder gear is located between the primary driving pulley and the first driving pulley and rotates synchronously with the primary driving pulley; the encoder gear is connected with a first motor encoder positioned at the rear end of the first driving motor, and the first motor encoder is electrically connected with the control unit; and a load end encoder leading-out gear meshed with the encoder gear is arranged below the encoder gear, the rear end of the load end encoder leading-out gear is connected with a first load end encoder, and the first load end encoder is electrically connected with the control unit.

As a further improvement of the present invention, the second adjusting structure comprises a second clutch and a second driving motor, the second clutch is located on the carriage frame of the second adjusting structure and is electrically connected with the control unit; one end of a central shaft of the second clutch is connected with a transmission gear, and the transmission gear is meshed with a rack on the second adjusting structure; the other end of the central shaft of the second clutch is connected with a second driving belt wheel, and the second driving belt wheel is connected with the second driving motor through a second driving synchronous belt and rotates synchronously with the second driving motor; when the second clutch is de-energized, the second adjustment feature initiates an electric mode; the second adjustment feature initiates a manual mode when the second clutch is energized.

As a further improvement of the present invention, a second motor encoder is connected to a rear end of the second driving motor, and the second motor encoder is electrically connected to the control unit; the sliding frame is connected with a load end encoder gear, the load end encoder gear is meshed with the rack, the rear end of the load end encoder gear is connected with a second load end encoder, and the second load end encoder is electrically connected with the control unit.

The invention has the beneficial effects that: according to the C-shaped arm CT equipment, on one hand, the bearing structure and the limiting structure are integrated in the first adjusting structure and the second adjusting structure, so that the C-shaped arm CT equipment is compact in structure and convenient to install, and meanwhile, the limiting structure is provided with the adjusting screw and the waist-shaped hole and is used for adjusting the gap between the first adjusting structure and two side walls of the C-shaped arm and the gap between the second adjusting structure and two side walls of the second adjusting structure and the inner trolley frame, so that the problems that the supporting and adjusting structure is not easy to adjust and is easy to loosen after adjustment are solved. Through set up the self-adaptation wheel board on first load-carrying members for every bearing wheel all can the even atress, guarantees that C shape arm CT equipment moves smoothly. On the other hand, through setting up clutch and driving motor device for C shape arm CT equipment is integrative equipment of flashlight, can make a round trip to change between manual and electrical operation as required, improves equipment utilization. In addition, by arranging the motor encoder and the load end encoder, closed-loop control in an electric mode is realized, and the accuracy of an operation system of the C-shaped arm CT equipment is improved.

Drawings

Fig. 1 is a perspective view of a C-arm CT apparatus according to an embodiment of the present invention.

Fig. 2 is an exploded view of a partial structure of fig. 1.

Fig. 3 is an enlarged view of a circled portion in fig. 2.

Fig. 4 is a partial structural schematic diagram of fig. 3.

Fig. 5 is another partial structure diagram of fig. 3.

Fig. 6 is a schematic structural view of another partial structure of fig. 1.

Fig. 7 is a schematic view of the structure of fig. 6 at another angle.

Fig. 8 is a partial structural schematic view of fig. 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 5, a C-arm CT apparatus 100 provided by the present invention includes a C-arm 1, an apparatus body 4, and a first adjusting structure 2 and a second adjusting structure 3 connected between the C-arm 1 and the apparatus body 4. A control unit 41 (not shown) is provided in the apparatus body 4 for controlling various electric components. The control unit 41 is electrically connected with the first adjusting structure 2, the second adjusting structure 3 and the imaging device on the C-shaped arm 1, and then controls the C-shaped arm 1 to relatively and reciprocally rotate along the circumferential direction of the device body 4, so that the imaging device on the C-shaped arm 1 can be aligned with the part to be detected. Further, the bottom of the equipment body 4 is also provided with the pulley 5, so that the C-shaped arm CT equipment 100 can move relative to the ground, and the practicability of the C-shaped arm CT equipment 100 is effectively improved.

Further, a guide rail 11 is arranged in the C-arm 1, and preferably, the guide rail 11 is an aluminum guide rail. The first adjusting mechanism 2 is movably connected to a guide rail 11 of the C-arm 1 for supporting the C-arm 1 and adjusting the C-arm 1 to move up and down in the vertical direction. Preferably, the first adjusting structure 2 comprises a housing 20 and a detachably connected train wheel module 21 accommodated in the housing 20, a first bearing structure 22 for supporting the C-shaped arm 1 and a first limiting structure 23 for adjusting a gap between the train wheel module 21 and two side walls of the guide rail 11 are arranged on the train wheel module 21, and the first bearing structure 22 and the first limiting structure 23 are integrated on a train wheel seat 211 of the train wheel module 21. By integrating the first load-bearing structure 22 and the first limiting structure 23 on the gear train seat 211 of the gear train module 21, the adjusting structure of the existing C-arm CT apparatus 100 is simplified, and the occupied space of the adjusting structure is reduced. In addition, the gear train module 21 integrated with the first bearing structure 22 and the first limiting structure 23 directly slides into the guide rail 11 of the C-shaped arm 1, so that the first adjusting structure 2 and the C-shaped arm 1 are convenient to mount, the structural layout is compact, and the overlarge volume of the C-shaped arm CT equipment 100 is avoided.

Referring to fig. 4 in conjunction with fig. 3, the first limiting structure 23 further includes a first centering wheel assembly 231, a first adjustable wheel assembly 232, and a first adjusting screw 233. The first centering wheel assembly 231 and the first adjustable wheel assembly 232 are respectively connected to the left and right sides of the gear train seat 211, and the first adjusting screw 233 is located between the first centering wheel assembly 231 and the first adjustable wheel assembly 232 and penetrates through the first adjustable wheel assembly 232 for adjusting the gap between the gear train module 21 and the two side walls of the C-shaped arm 1.

Further, the first centering wheel assembly 231 includes a first centering wheel 2311 and a first centering wheel plate 2312, the first centering wheel 2311 is fixedly connected to the first centering wheel plate 2312, and the first centering wheel plate 2312 is fixedly connected to one side of the wheel train seat 211 through a fixing member. In a preferred embodiment of the present invention, the fixing member is a screw, a circular hole is formed on the first centering wheel plate 2312, the screw passes through the circular hole to fix the first centering wheel plate 2312 to the wheel train seat 211, and the first centering roller 2311 is fixed to the first centering wheel plate 2312 by the screw. Through the arrangement, the first centering wheel assembly 231 can be fixed, and the distance between the first centering roller 2311 and the first adjustable roller 2321 can be equal to the distance between the two side walls of the guide rail 11 in the C-shaped arm 1 only by independently adjusting the first adjustable wheel assembly 232, so that the adjusting step is simple.

Further, the first adjustable wheel assembly 232 includes a first adjustable roller 2321 and a first adjustable wheel plate 2322, the first adjustable wheel plate 2322 includes a bottom surface parallel to the horizontal plane and a side surface perpendicular to the bottom surface, and the first adjustable roller 2321 is fixedly connected to an end of the bottom surface of the first adjustable wheel plate 2322 far from the side surface. Specifically, the first adjustable roller 2321 is fixed on the bottom surface of the first adjustable roller plate 2322 by a screw and is located at an end away from the side surface of the first adjustable roller plate 2322. The first adjustment screw 233 penetrates through a side surface of the first adjustable wheel plate 2322, and the position of the first adjustable wheel plate 2322 can be adjusted by using the first adjustment screw 233. Specifically, a first kidney-shaped hole 2323 is formed on a bottom surface of the first adjustable wheel plate 2322, and the first kidney-shaped hole 2323 enables the first adjustable wheel plate 2322 to be movable relative to the wheel train seat 211. The position of the first adjustable wheel plate 2322 is adjusted by the first adjusting screw 233, so that the first adjustable wheel plate 2322 can move in the horizontal direction, and further the first adjustable roller 2321 can move in the horizontal direction, and therefore the distance between the first centering roller 2311 and the first adjustable roller 2321 can be adjusted, and the distance between the first centering roller 2311 and the first adjustable roller 2321 is equal to the width of two side walls of the guide rail 11 in the wheel train module 21 and the C-shaped arm 1, and the wheel train module 21 is attached to the two side walls of the guide rail 11 after sliding into the guide rail 11 of the C-shaped arm 1, so that the purpose of smooth operation of equipment is achieved.

Preferably, after the position of the first adjustable wheel plate 2322 is adjusted, the first adjustable wheel plate 2322 is fixed on the wheel train seat 211 by using a fixing member, so that the fixing is firm and is not easy to loosen. Specifically, in a preferred embodiment of the present invention, the fixing element is a screw, and the screw passes through the first kidney-shaped hole 2323 on the first adjustable wheel plate 2322 to fixedly connect the first adjustable wheel plate 2322 to the wheel train seat 211. Fix first adjustable wheel 2322 on gear train seat 211 through the screw, firm in connection also is difficult not hard up for a long time. Through using first adjusting screw 233 to adjust first adjustable wheel subassembly 232 for the distance between first centering gyro wheel 2311 and the first adjustable gyro wheel 2321 equals with train module 21 and the interval of the both sides wall of the guide rail 11 in the C shape arm 1, and fix first adjustable wheel subassembly 232 on train seat 211 through the mounting, solved and supported the difficult adjustment of train structure and used the easy not hard up problem of eccentric structure time for a long time.

Further, a cross section of the first adjustable roller 2321 in the radial direction is parallel to the bottom surface of the first adjustable roller plate 2322. The cross section of the first centering roller 2311 in the radial direction is parallel to the cross section of the first adjustable roller 2321 in the radial direction. Through such setting, can make the periphery contact both sides wall of the guide rail 11 of C shape arm 1 of first centering gyro wheel 2311 and first adjustable gyro wheel 2321 for train module 21 more laminates with the both sides wall of the guide rail 11 of C shape arm 1, improves the stability in use of C shape arm CT equipment 100.

Specifically, in a preferred embodiment of the present invention, the adjusting step of the first limiting structure 23 is: the first adjustable wheel plate 2322 is adjusted by using the first adjusting screw 233 so that the distance between the first centering roller 2311 and the first adjustable roller 2321 is equal to the distance between the two side walls of the guide rail 11 in the C-shaped arm 1, and then the first adjustable wheel plate 2322 is fixed on the wheel train seat 211 by using a screw. Finally, the adjusted gear train module 21 is slid into the guide rail 11 of the C-arm 1. In other embodiments, the eccentric wheel can be used to adjust the gap between the wheel train seat 211 and the two side walls of the guide rail 11 of the C-arm 1.

Further, the first load-bearing structure 22 includes a first load-bearing wheel set 221 and a second load-bearing wheel set 222, and the first load-bearing wheel set 221 is fixedly connected to the wheel train seat 211 and is close to the center of the first adjusting structure 2. Further, the first bearing wheel set 221 includes two first bearing wheels 2211 symmetrically disposed. Because the first bearing wheel set 221 is close to the center of the first adjusting structure 2 and first contacts the guide rail 11 of the C-shaped arm 1, the two first bearing wheels 2211 symmetrically arranged in the first bearing wheel set 221 completely contact the guide rail 11 of the C-shaped arm 1, and both play a role in supporting the C-shaped arm 1.

Further, the second bearing wheel set 222 is movably connected to the supporting arm 2111 of the wheel train seat 211 through an adaptive wheel plate 2222 and is far away from the center of the first adjusting structure 2, the second bearing wheel set 222 includes two sets of second bearing wheels 2221 and two adaptive wheel plates 2222 which are symmetrically arranged, the two sets of second bearing wheels 2221 are respectively connected to the supporting plate 2111 of the wheel train seat 211 through corresponding adaptive wheel plates 2222, and the radial cross sections of the first bearing wheel 2311 and the second bearing wheel 2221 are perpendicular to the wheel train seat 211. Since the second bearing wheel set 222 is far from the center of the first adjusting structure 2, the second bearing wheel 2221 in the second bearing wheel set 222 contacts with the curved surface of the C-shaped arm 1, which easily causes the phenomenon that the weight borne by each roller in the second bearing wheel 2221 is inconsistent, so that the train wheel module 21 slides on the guide rail 11 of the C-shaped arm 1 unsmoothly. Through set up self-adaptation wheel board 2222 on the lateral wall at train wheel seat 211, second bearing wheelset 222 passes through self-adaptation wheel board 2222 and connects on the backup pad 2111 of train wheel seat 211 for second bearing wheelset 222 can carry out the fine adjustment according to the structure of C shape arm 1, make every gyro wheel in the second bearing wheel 2221 can both laminate with the guide rail 11 of C shape arm 1, the atress is even, and then make train wheel module 21 all can be in the same direction as smooth movement in every position of C shape arm 1. During the movement of the C-arm 1, the rollers in the second bearing wheel 2221 can adjust themselves via the adaptive wheel plate 2222 without causing the C-arm 1 to slide unsmoothly due to the movement. Specifically, in a preferred embodiment of the present invention, each of the second bearing wheels 2221 includes two rollers, and in other embodiments, the number of rollers in the second bearing wheels 2221 may be one or more than two, which is not limited in the present invention.

Further, the C-arm CT apparatus 100 of the present invention includes two sets of gear train modules 21, and the two sets of gear train modules 21 are symmetrically disposed around the center of the first adjusting structure 2 at the upper and lower ends of the first adjusting structure 2. Through such arrangement, when the gear train module 21 enters the guide rail 11 of the C-shaped arm 1, two first limiting structures 23 can be used for adjusting the gap between the gear train module 21 and the side wall of the guide rail 11 of the C-shaped arm 1, and the problem that the support gear train structure is not easy to adjust is solved. In the up-and-down movement process of the C-shaped arm 1, two first bearing structures 22 bear the weight of the C-shaped arm 1, so that the weight of the C-shaped arm 1 is well dispersed to each bearing wheel, and further the movement of the C-shaped arm 1 is smoother.

Referring to fig. 6-8, a second adjusting structure 3 according to the present invention is shown, the second adjusting structure 3 is movably connected between the main body 4 and the first adjusting structure 2, and is electrically connected to a control unit 41 in the main body 4 for supporting and adjusting the C-arm 1 to move left and right. A sliding frame 31 is detachably connected in the second adjusting structure 3, and a second bearing structure 32 and a second limiting structure 33 are arranged on the sliding frame 31 and used for supporting and adjusting the C-shaped arm CT device 100 to move left and right in the horizontal direction.

Further, the second adjusting structure 3 comprises a main guide rail 30 and a slide carriage frame 31, the slide carriage frame 31 is detachably connected to the main guide rail 30, and the slide carriage frame 31 is connected with a second bearing structure 32 and a second limiting structure 33. Specifically, the second load-bearing structure 32 is four rollers, and the four rollers are respectively located at four vertices of the carriage frame 31 and slidably connected to the main rail 30, so that the carriage frame 31 can slide on the main rail 30. The second limiting structure 33 is located on the sliding frame 31 and is used for adjusting the gap between the sliding frame 31 and the two side walls of the second adjusting structure 3. The trolley frame 31 integrated with the second bearing structure 32 and the second limiting structure 33 directly slides into the main guide rail 30 in the second adjusting structure 3, so that the second adjusting structure 3 is convenient to install and compact in structural layout. Thereby through adjusting the clearance of the second limit structure 33 adjustment sliding carriage frame 31 and the both sides wall of second regulation structure 3, guarantee that sliding carriage frame 31 slides smoothly in the main guide rail 30 of second regulation structure 3 for adjust simple structure, adjust difficult not hard up after fixed.

Further, the second limiting structure 33 includes a second centering wheel assembly 331, a second adjustable wheel assembly 332 and a second adjusting screw 333, the second centering wheel assembly 331 and the second adjustable wheel assembly 332 are respectively connected to the sliding frame 31 and are close to two side walls of the second adjusting structure 3, the second adjusting screw 333 is located between the second centering wheel assembly 331 and the second adjustable wheel assembly 332 and penetrates through the second adjustable wheel assembly 332 for adjusting a gap between the sliding frame 31 and the two side walls of the second adjusting structure 3, so that the sliding frame 31 can move smoothly on the main guide rail 30 of the second adjusting structure 3.

Further, the second centering wheel assembly 331 includes a second centering wheel 3311 and a second centering wheel plate 3312, the second centering wheel 3311 is fixedly connected to the second centering wheel plate 3312, and the second centering wheel plate 3312 is fixedly connected to one side of the carriage frame 31 through a fixing member. In a preferred embodiment of the present invention, the fixing member is a screw, a circular hole is formed on the second centering wheel plate 3312, the screw passes through the circular hole to fix the second centering wheel plate 3312 on the wheel train seat, and the second centering roller 3311 is fixed on the second centering wheel plate 3312 by the screw. Through this arrangement, the second centering wheel assembly 331 is fixed, and the distance between the second centering roller 3311 and the second adjustable roller 3321 can be equal to the distance between the two side walls of the second adjusting structure 3 only by adjusting the second adjustable wheel assembly 332 alone, so that the adjusting step is simple.

Further, the second adjustable wheel assembly 332 includes a second adjustable wheel plate 3322 and a second adjustable roller 3321, the second adjustable roller 3321 is fixedly connected to the second adjustable wheel plate 3322, a second kidney-shaped hole 3323 is formed on the second adjustable wheel plate 3322, and a second adjusting screw 333 passes through the second adjustable wheel plate 3322 for adjusting the second adjustable wheel plate 3322 to move relative to the carriage frame 31.

Specifically, due to the existence of the second kidney-shaped hole 3323, the second adjustable wheel plate 3322 is movable relative to the carriage frame 31, that is, the second adjustable wheel 3321 is movable relative to the carriage frame 31. The position of the second adjustable wheel plate 3322 is adjusted by the second adjusting screw 333, so that the distance between the second centering roller 3311 and the second adjustable roller 3321 on the carriage frame 31 can be adjusted, and the distance between the second centering roller 3311 and the second adjustable roller 3321 is equal to the distance between the two side walls of the second adjusting structure 3, so that the carriage frame 31 can smoothly move on the main guide rail 30 of the second adjusting structure 3.

Further, after the position of the second adjustable wheel plate 3322 is adjusted by using the second adjusting screw 333, the second adjustable wheel plate 3322 is fixed to the carriage frame 31 by using a fixing member. Specifically, in a preferred embodiment of the present invention, the fixing member is a screw, and the screw passes through the second kidney-shaped hole 3323 of the second adjustable wheel plate 3322 to fixedly connect the second adjustable wheel plate 3322 to the carriage frame 31. The second adjustable wheel plate 3322 is fixed on the sliding frame 31 through screws, so that the connection is firm, and the looseness is not easy to occur even after a long time. The second adjustable wheel assembly 332 is adjusted by using the second adjusting screw 333, so as to adjust the gap between the two side walls of the sliding frame 31 and the second adjusting structure 3, thereby solving the problem that the supporting wheel train structure is not easy to adjust.

Further, a second adjustable roller 3321 is disposed on a side of the second adjustable roller plate 3322 close to the side wall of the main guide rail 30, and a cross section of the second adjustable roller 3321 in the radial direction is parallel to the second adjustable roller plate 3322, and a cross section of the second centering roller 3311 in the radial direction is parallel to a cross section of the second adjustable roller 3321 in the radial direction. Through so setting up, can make the periphery contact second of second centering gyro wheel 3311 and the adjustable gyro wheel 3321 of second adjust structure 3's both sides wall for the both sides wall that structure 3 was adjusted to sliding carriage frame 31 and second is laminated more, improves the stability in use that structure 3 was adjusted to the second.

Specifically, in a preferred embodiment of the present invention, the adjusting step of the second limiting structure 3 is: the position of the second adjustable wheel plate 3322 is adjusted by the second adjusting screw 333, so that the distance between the second adjustable roller 3321 fixed on the second adjustable wheel plate 3322 and the second centering roller 3311 is equal to the distance between the two side walls of the main guide rail 30 of the second adjusting structure 3, then the second adjustable wheel plate 3322 is fixed on the carriage frame 31 by using a screw, and finally the adjusted carriage frame 31 is slid into the main guide rail 30 of the second adjusting structure 3, so that the carriage frame 31 can move smoothly on the main guide rail 30 of the second adjusting structure 3. In other embodiments, the gap between the carriage frame 31 and the two side walls of the second adjusting mechanism 3 can be adjusted by using an eccentric wheel.

Further, four rollers of the second load-bearing structure 32 are located at four vertices of the carriage frame 31 and slidably connected to the main rail 30, and a radial cross section of the four rollers is perpendicular to a radial cross section of the second adjustable roller 3321. By such arrangement, each roller in the second load-bearing structure 32 can be in complete contact with the main guide rail 30 of the second adjusting structure 3, and the four rollers 33 are stressed uniformly, so that the sliding frame 31 can slide smoothly on the main guide rail 30.

Further, the second adjusting structure 3 of the present invention includes two sets of second limiting structures 33, and the two sets of second limiting structures 33 are symmetrically disposed on the carriage frame 31. Through such arrangement, when the sliding frame 31 enters the main guide rail 30 of the second adjusting structure 3, two second limiting structures 33 can be arranged to adjust the gaps between the sliding frame 31 and the two side walls of the second adjusting structure 3, so that the problem that the supporting wheel train structure is not easy to adjust is solved, and the second adjusting structure 3 can move more smoothly.

Referring to fig. 3 to 7, the invention further provides a flashlight-integrated C-arm CT apparatus 100, which includes a C-arm 1, an apparatus body 4, and a first adjusting structure 2 and a second adjusting structure 3 connected between the C-arm 1 and the apparatus body 4. A control unit 41 is provided in the apparatus body 4 for controlling various electric components. The first adjusting mechanism 2 is movably connected to the C-arm 1 and electrically connected to the control unit 41 for supporting and adjusting the C-arm 1 to move up and down. The second adjusting structure 3 is movably connected between the device body 4 and the first adjusting structure 2 and is electrically connected with the control unit 41 for supporting and adjusting the C-shaped arm 1 to move left and right. A gear train module 21 is detachably connected in the first adjusting structure 2, and a first bearing structure 22 and a first limiting structure 23 are arranged on the gear train module 21. A sliding frame 31 is detachably connected in the second adjusting structure 3, and a second bearing structure 32 and a second limiting structure 33 are arranged on the sliding frame 31. The C-arm CT device 100 further comprises a clutch, which is electrically connected to the control unit 41. When the clutch is de-energized, the C-arm CT apparatus 100 starts the power mode, and when the clutch is energized, the C-arm CT apparatus 100 starts the manual mode.

Further, the first adjusting structure 2 includes a first clutch 24 and a first driving motor 25 therein, and the first clutch 24 is located in the middle of the two sets of wheel train modules 21 of the first adjusting structure 2 and is electrically connected to the control unit 41. A primary pulley 26 and a first drive pulley 27 are connected to the center shaft of the first clutch 24, the first drive pulley 27 is movably connected to the end of the center shaft 241 of the first clutch 24, and the primary pulley 26 is connected to the C-arm 1 via a primary drive timing belt 261. The first driving motor 25 is located on the outer side wall of the first adjusting structure 2, and the first driving motor 25 is connected with the first driving pulley 27 and electrically connected with the control unit 41. The first regulating structure 2 starts the electric mode when the first clutch 24 is de-energized, and the first regulating structure 2 starts the manual mode when the first clutch 24 is energized.

Further, the second adjusting mechanism 3 includes a second clutch 34 and a second driving motor 35, and the second clutch 34 is located on the carriage frame 31 of the second adjusting mechanism 3 and electrically connected to the control unit 41. One end of the central shaft 341 of the second clutch 34 is connected with a transmission gear 36, and the transmission gear 36 is meshed with a rack 37 on the second adjusting structure 3. The other end of the center shaft 341 of the second clutch 34 is connected to a second driving pulley 38, and the second driving pulley 38 is connected to the second driving motor 35 through a second driving timing belt 381, and rotates in synchronization with the second driving motor 35. The second regulating structure 3 starts the electric mode when the second clutch 34 is de-energized, and the second regulating structure 3 starts the manual mode when the second clutch 34 is energized.

Further, the first driving motor 25 and the second driving motor 35 are both worm and gear reduction motors, and when the power is off, the first driving motor 25 and the second driving motor 35 can be powered off and self-locked, so that the use safety of the C-shaped arm CT device 100 is improved.

Further, the first clutch 24 and the second clutch 34 are electromagnetic clutches, and when the power is off, the first clutch 24 and the second clutch 34 are in an attraction state, and at this time, the C-arm CT apparatus 100 starts the power-driven mode. When energized, the first clutch 24 and the second clutch 34 are released, and the C-arm CT apparatus 100 is in the manual mode.

Specifically, the switching flow of the manual operation and the electric operation of the first adjustment structure 2 of the C-arm CT apparatus 100 is as follows:

when the first clutch 24 is de-energized, the first adjustment mechanism 2 of the C-arm CT apparatus 100 starts the motor mode. Specifically, the control unit 41 controls the first clutch 24 to be powered off, the first driving motor 25 is started, the first driving motor 25 drives the small wheel 271 of the first driving pulley 27 to move, and drives the large wheel 272 of the first driving pulley 27 to move through the first driving synchronous belt 273, and the speed is reduced through the large wheel 272 of the first driving pulley 27. Because the power is off, the first clutch 24 is in a suction state, and then the first driving pulley 27 can drive the central shaft 241 of the first clutch 24 to rotate, so as to drive the main driving pulley 26 to move, and the main driving pulley 26 drives the main driving synchronous belt 261 to move, so as to drive the whole C-shaped arm 1 to move up and down.

The first adjustment mechanism 2 of the C-arm CT device 100 initiates the manual mode when the first clutch 24 is energized. Specifically, the control unit 41 controls the first clutch 24 to be energized, and manually pulls the C-arm 1, which causes the primary drive timing belt 261 to move, and thus causes the primary drive pulley 26 to rotate. Since the first clutch 24 is in a released state when energized, the first drive pulley 27 is stationary.

Further, an encoder gear 28 is provided on the center shaft 241 of the first clutch 24, and the encoder gear 28 is located between the primary pulley 26 and the large pulley 272 of the first driving pulley 27 and rotates synchronously with the primary pulley 26. The encoder gear 28 is connected to a first motor encoder 251 located at the rear end of the first drive motor 25, and the first motor encoder 251 is electrically connected to the control unit 41. A load end encoder leading-out gear 29 meshed with the encoder gear 28 is arranged below the encoder gear 28, a first load end encoder 291 is connected to the rear end of the load end encoder leading-out gear 29, and the first load end encoder 291 is electrically connected with the control unit 41. By arranging the first motor encoder 251 at the end of the first driving motor 25 and the first load end encoder 291 at the load end, the motion position of the C-shaped arm 1 can be recorded in real time in an electric mode, closed-loop control is realized, and the precision of a motion system of the C-shaped arm 1 is improved.

Specifically, in the electric mode, the first driving motor 25 drives the first driving pulley 27 to move, and then drives the main driving pulley 26 to rotate, and the encoder gear 28 rotates synchronously with the rotation of the main driving pulley 26, so that the first motor encoder 251 records the rotating position of the first driving motor 25 in real time, and feeds the position back to the control unit 41. Because the load end encoder outgoing gear 29 is meshed with the encoder gear 28, the encoder gear 28 can drive the load end encoder outgoing gear 29 to synchronously rotate, so that the first load end encoder 291 can record the position of the C-shaped arm 1 in real time and feed back the position to the control unit 41. The control unit 41 reads the position signals of the first motor encoder 251 and the first load side encoder 291 simultaneously, and if the two position signals are synchronized, there is no need to adjust the speed of the first drive motor 25. If the two position signals are not synchronized, the control unit 41 controls the first drive motor 25 to adjust the speed, thereby synchronizing the two position signals. By arranging the first motor encoder 251 at the end of the first driving motor 25 and the first load end encoder 291 at the load end, the motion position of the C-shaped arm 1 can be recorded in real time in an electric mode, closed-loop control is realized, and the precision of a motion system of the C-shaped arm 1 is improved.

Specifically, the switching flow of the manual operation and the electric operation of the second adjustment structure 3 of the C-arm CT apparatus 100 is as follows:

when the second clutch 34 is de-energized, the second adjustment structure 3 of the C-arm CT apparatus 100 moves in a motorized mode. Specifically, the control unit 41 controls the second clutch 34 to be powered off, the second clutch 34 is in an attraction state, the second driving motor 35 is started, the second driving motor 35 drives the small wheel in the second driving pulley 38 to move, the second driving synchronous belt 381 drives the large wheel of the second driving pulley 38 to move, and the large wheel of the second driving pulley 38 is used for speed reduction. Because the second clutch 34 is in a suction state, the second driving pulley 38 can drive the central shaft 341 of the second clutch 34 to rotate, so as to drive the transmission gear 36 to move, the transmission gear 36 is engaged with the rack 37 of the second adjusting structure 3, so as to drive the main guide rail 30 to move horizontally, and further drive the second adjusting structure 3 to move horizontally, so that the C-shaped arm CT apparatus 100 can realize horizontal movement.

When the second clutch 34 is energized, the second adjustment structure 3 of the C-arm CT apparatus 100 is moved in the manual mode. Specifically, the control unit 41 controls the second clutch 34 to be energized, the second clutch 34 is in a release state, the second adjusting structure 3 is manually pushed, the rack 37 on the second adjusting structure 3 moves along with the movement of the second adjusting structure 3, and because the second clutch 34 is in the release state, only the transmission gear 36 rotates, and the central shaft 341 of the second clutch 34 does not rotate along with the rotation of the second adjusting structure 3, so that a manual function is realized, and the movement of the second adjusting structure 3 is manually operated.

An operator can control the on-off of the first clutch 24 and the second clutch 34 through the control unit 41 according to needs, so that the switching between the manual operation and the electric operation of the adjusting structure of the C-arm CT apparatus 100 is realized, and the utilization rate of the C-arm CT apparatus 100 is improved.

Further, a second motor encoder 351 is connected to a rear end of the second driving motor 35, and the second motor encoder 351 is electrically connected to the control unit 41. The carriage frame 31 is connected with a load end encoder gear 39, the load end encoder gear 39 is meshed with the rack 37, the rear end of the load end encoder gear 39 is connected with a second load end encoder 391, and the second load end encoder 391 is electrically connected with the control unit 41.

Specifically, in the electric mode, the second driving motor 35 rotates, and the second motor encoder 351 located at the rear end of the second driving motor 35 can record the rotating position of the second driving motor 35 in real time and feed back the position to the control unit 41. The second driving motor 35 drives the second driving pulley 38 to move, and since the second clutch 34 is in a suction state, the second driving pulley 38 can drive the central shaft 341 of the second clutch 34 to rotate, so as to drive the transmission gear 36 to move, and the transmission gear 36 is engaged with the rack 37 on the second adjusting structure 3, so that the rack 37 can move back and forth. Since the load-side encoder gear 39 is engaged with the rack 37, the load-side encoder gear 39 rotates along with the movement of the rack 37, so that the second load-side encoder 391 located on the load-side encoder gear 39 can record the moving position of the second adjusting mechanism 3 in real time and feed back to the control unit 41. The control unit 41 reads the position signals of the second motor encoder 351 and the second load side encoder 391 simultaneously, and if the two position signals are synchronized, there is no need to adjust the speed of the second drive motor 35. If the two position signals are not synchronized, the control unit 41 controls the second drive motor 35 to adjust the speed, thereby synchronizing the two position signals. Through setting up second motor encoder 351 and second load end encoder 391, can real-time recording second regulation structure 3's motion position under electronic mode, realize closed-loop control, improve second regulation structure 3's moving system precision.

In summary, in the C-arm CT apparatus 100 of the present invention, on one hand, the bearing structure and the limiting structure are integrated on the gear train module 21 of the first adjusting structure 2 and the trolley frame 31 of the second adjusting structure 3, so that the C-arm CT apparatus 100 is compact in structure and convenient to install, and meanwhile, the limiting structure is provided with the adjusting screw and the waist-shaped hole for adjusting the gap between the first adjusting structure 2 and the two side walls of the C-arm 1 and the gap between the trolley frame 31 and the two side walls of the second adjusting structure 3 in the second adjusting structure 3, so as to solve the problems that the support adjusting structure is not easily adjusted and is easily loosened after adjustment. By arranging the adaptive wheel plate 2222 on the first bearing structure 22, each bearing wheel can be uniformly stressed, and the smooth operation of the C-arm CT apparatus 100 is ensured. On the other hand, by arranging the clutch and the driving motor device, the C-shaped arm CT device 100 is a manual and electric integrated device, and can be switched back and forth between manual operation and electric operation as required, so that the utilization rate of the device is improved. In addition, by setting the motor encoder and the load end encoder, closed-loop control in the electric mode is realized, and the accuracy of the operating system of the C-arm CT apparatus 100 is improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. A C-arm CT apparatus characterized by: the device comprises a C-shaped arm, a device body, a first adjusting structure and a second adjusting structure, wherein the first adjusting structure and the second adjusting structure are connected between the C-shaped arm and the device body; the equipment body is internally provided with a control unit for controlling various electrical components; the first adjusting structure is movably connected to the C-shaped arm and electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move up and down; the second adjusting structure is movably connected between the equipment body and the first adjusting structure, is electrically connected with the control unit and is used for supporting and adjusting the C-shaped arm to move left and right; a gear train module is detachably connected in the first adjusting structure, and a first bearing structure and a first limiting structure are arranged on the gear train module; the inside of the second adjusting structure is detachably connected with a sliding frame, and a second bearing structure and a second limiting structure are arranged on the sliding frame.

2. The C-arm CT apparatus of claim 1 wherein: the first limiting structure comprises a first centering wheel assembly, a first adjustable wheel assembly and a first adjusting screw rod, the first centering wheel assembly and the first adjustable wheel assembly are respectively and correspondingly connected to the left side and the right side of a wheel train seat of the wheel train module, and the first adjusting screw rod is positioned between the first centering wheel assembly and the first adjustable wheel assembly, penetrates through the first adjustable wheel assembly and is used for adjusting the clearance between the wheel train module and the two side walls of the C-shaped arm; the first adjustable wheel assembly comprises a first adjustable roller and a first adjustable wheel plate, and the first adjustable roller is fixedly connected to the first adjustable wheel plate; the first adjusting screw penetrates through the side surface of the first adjustable wheel plate and is used for adjusting the first adjustable wheel plate to move relative to the wheel train seat; the first adjustable wheel plate is provided with a first waist-shaped hole, and the fixing piece is fixedly connected to the wheel train seat through the first waist-shaped hole.

3. The C-arm CT apparatus of claim 2 wherein: the first bearing structure comprises a first bearing wheel set and a second bearing wheel set, and the first bearing wheel set is fixedly connected to the gear train seat and is close to the center of the first adjusting structure; the second bearing wheel set is movably connected to the wheel train seat through a self-adaptive wheel plate and is far away from the center of the first adjusting structure.

4. The C-arm CT apparatus of claim 1 wherein: the second limiting structure comprises a second centering wheel assembly, a second adjustable wheel assembly and a second adjusting screw rod, the second centering wheel assembly and the second adjustable wheel assembly are respectively connected to the sliding frame, and the second adjusting screw rod is positioned between the second centering wheel assembly and the second adjustable wheel assembly, penetrates through the second adjustable wheel assembly and is used for adjusting the gap between the sliding frame and two side walls of the second adjusting structure; the second adjustable wheel assembly comprises a second adjustable roller and a second adjustable wheel plate, and the second adjustable roller is fixedly connected with the second adjustable wheel plate; the second adjusting screw penetrates through the second adjustable wheel plate and is used for adjusting the second adjustable wheel plate to move relative to the sliding frame; and a second waist-shaped hole is formed in the second adjustable wheel plate, and the fixing piece fixedly connects the second adjustable wheel plate to the scooter frame through the second waist-shaped hole.

5. The C-arm CT apparatus of claim 1 wherein: the first adjusting structure comprises two sets of gear train modules, and the two sets of gear train modules are symmetrically arranged at the upper end and the lower end of the first adjusting structure around the center of the first adjusting structure; and two groups of second limiting structures in the second adjusting structure are arranged, and the two groups of second limiting structures are symmetrically arranged on the sliding trolley frame.

6. The C-arm CT apparatus of claim 1 wherein: the C-shaped arm CT equipment further comprises a clutch, and the clutch is electrically connected with the control unit; when the clutch is powered off, the C-arm CT device starts a power-driven mode; when the clutch is energized, the C-arm CT apparatus initiates a manual mode.

7. The C-arm CT apparatus of claim 6, wherein: the first adjusting structure comprises a first clutch and a first driving motor, and the first clutch is positioned between the two gear train modules of the first adjusting structure and is electrically connected with the control unit; a main driving belt wheel and a first driving belt wheel are connected to a central shaft of the first clutch, the first driving belt wheel is movably connected to the end of the central shaft of the first clutch, and the main driving belt wheel is connected with the C-shaped arm through a main driving synchronous belt; the first driving motor is positioned on the outer side wall of the first adjusting structure, is connected with the first driving belt wheel and is electrically connected with the control unit; the first regulating structure initiates an electric mode when the first clutch is de-energized; the first adjustment feature initiates a manual mode when the first clutch is energized.

8. The C-arm CT apparatus of claim 7 wherein: an encoder gear is arranged on a central shaft of the first clutch, is positioned between the main driving belt pulley and the first driving belt pulley and synchronously rotates with the main driving belt pulley; the encoder gear is connected with a first motor encoder positioned at the rear end of the first driving motor, and the first motor encoder is electrically connected with the control unit; and a load end encoder leading-out gear meshed with the encoder gear is arranged below the encoder gear, the rear end of the load end encoder leading-out gear is connected with a first load end encoder, and the first load end encoder is electrically connected with the control unit.

9. The C-arm CT apparatus of claim 6, wherein: the second adjusting structure comprises a second clutch and a second driving motor, and the second clutch is positioned on the sliding frame of the second adjusting structure and is electrically connected with the control unit; one end of a central shaft of the second clutch is connected with a transmission gear, and the transmission gear is meshed with a rack on the second adjusting structure; the other end of the central shaft of the second clutch is connected with a second driving belt wheel, and the second driving belt wheel is connected with the second driving motor through a second driving synchronous belt and rotates synchronously with the second driving motor; when the second clutch is de-energized, the second adjustment feature initiates an electric mode; the second adjustment feature initiates a manual mode when the second clutch is energized.

10. The C-arm CT apparatus of claim 9 wherein: the rear end of the second driving motor is connected with a second motor encoder which is electrically connected with the control unit; the sliding frame is connected with a load end encoder gear, the load end encoder gear is meshed with the rack, the rear end of the load end encoder gear is connected with a second load end encoder, and the second load end encoder is electrically connected with the control unit.