A quick replacement device for X-ray tube

Abstract

The invention discloses a rapid replacement device for an X-ray tube, belonging to the technical field of medical devices, and comprising a base plate, on which are arranged a clamping assembly, a centering assembly, an auxiliary assembly, and a position adjustment assembly. The clamping assembly can stably clamp the tube, and under the action of an auxiliary thin rod, can improve the stability of the tube during installation, and avoid shaking or falling off of the tube during replacement. The centering assembly can assist in adjusting the position of the tube when the clamping assembly clamps and fixes the tube, and can also ensure the stability and coaxiality of the device when the tube is installed. The auxiliary assembly can temporarily clamp and store the end cover of the tube mounting seat, so that it can be directly connected to the mounting seat without adjusting the position of the end cover later. The position adjustment assembly can adjust the position of the mounting seat so that the axis of the tube installation position of the mounting seat and the axis of the clamping ring plate are in the same straight line, thereby facilitating the subsequent installation of the tube.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a quick-changing device for an X-ray tube. Background Art

[0002] In the field of medical device technology, replacement of X-ray tubes has always been an important and complicated process. Since X-ray tubes require extremely high coaxiality during installation, slight deviations in coaxiality may have an adverse effect on the imaging quality of the equipment and patient safety. Existing replacement devices cannot guarantee the coaxiality during tube replacement, and often require staff to repeatedly adjust the position of the tube, resulting in low work efficiency, increased equipment downtime, and affected continuity of medical services. Therefore, the present invention provides a quick replacement device for X-ray tubes. Summary of the invention

[0003] In view of the defects in the prior art, the present invention provides a quick replacement device for an X-ray tube, which overcomes the problem that the coaxiality of the tube cannot be guaranteed when the tube is replaced, and the staff often needs to repeatedly adjust the position of the tube, which has low work efficiency and increases the downtime of the equipment, thus affecting the continuity of medical services.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rapid replacement device for an X-ray tube, comprising a base plate, on which a clamping assembly, a centering assembly, an auxiliary assembly, and a positioning assembly are arranged, the clamping assembly comprising a clamping ring plate, on which three clamping racks are slidably mounted in a circumferential array, and the ends of the clamping racks closest to the axis of the clamping ring plate are fixedly provided with short clamping rods, which are used to clamp the tube, and the clamping racks are also slidably mounted with yielding sliders, on which auxiliary thin rods are movably arranged, which are used to assist in clamping the tube, the centering assembly comprising a centering ring plate, on which three short centering rods are movably arranged in a circumferential array, which are used to assist in adjusting the position of the tube, the auxiliary assembly comprising an auxiliary ring plate, on which three long auxiliary rods are movably arranged in a circumferential array, which are used to clamp the end cover of the tube mounting seat.

[0005] Furthermore, an annular support frame is fixedly installed on the base plate, and a clamping ring plate is rotatably installed on the annular support frame. Three clamping gears are also rotatably installed on the clamping ring plate in a circular array. The clamping gears are meshed with corresponding clamping racks to form a gear rack pair, and a gear set is arranged between the three clamping gears.

[0006] Furthermore, the distance between the axis of the auxiliary thin rod and the axis of the clamping ring plate is greater than the distance between the axis of the clamping short rod and the axis of the clamping ring plate. A protrusion is provided at the dome position of the auxiliary thin rod which is farthest from the axis of the clamping ring plate. The protrusion on the auxiliary thin rod is used to form a spline sliding fit between the auxiliary thin rod and the give-way slider.

[0007] Furthermore, a spring is arranged between the clamping rack and the corresponding give-way slider, and a tension spring is arranged between the auxiliary thin rod and the corresponding give-way slider. When the spring and the tension spring between the clamping rack and the corresponding give-way slider are not compressed, the auxiliary thin rod is located at the position closest to the corresponding give-way slider and at the position closest to the adjustment assembly.

[0008] Furthermore, four centering racks are slidingly installed in a circular array on the centering ring plate, an L-shaped long plate is fixedly installed on the end of the centering rack farthest from the axis of the centering ring plate, and the centering short rod is fixedly installed on the end of the corresponding L-shaped long plate farthest from the corresponding centering rack. Three centering gears are also rotatably installed on the centering ring plate, and the centering gears are meshed with the corresponding centering racks to form a gear rack pair, and a gear set 2 is arranged between the three centering gears.

[0009] Furthermore, four auxiliary racks are slidingly installed in a circular array on the auxiliary ring plate, the auxiliary long rod is fixedly installed on the end of the corresponding auxiliary rack that is closest to the axis of the auxiliary ring plate, and three auxiliary gears are rotatably installed on the auxiliary ring plate. The auxiliary gears are meshed with the corresponding auxiliary racks to form a gear rack pair, and a gear set three is arranged between the three auxiliary gears.

[0010] Furthermore, the centering ring plate and the auxiliary ring plate are both slidably installed on the annular support frame, the centering ring plate is located between the annular support frame and the auxiliary ring plate, the three centering short rods move from the outside of the clamping ring plate, and the three auxiliary long rods move from the outside of the clamping ring plate.

[0011] Furthermore, the positioning assembly is slidably mounted on a feed slide plate on the bottom plate, a transverse slide is slidably mounted on the feed slide plate, a vertical slide is slidably mounted on the transverse slide plate, the moving directions of the feed slide plate, the transverse slide plate and the vertical slide plate are perpendicular to each other, a positioning swivel frame is rotatably mounted on the vertical slide plate, and a positioning swivel plate is rotatably mounted on the positioning swivel frame.

[0012] Furthermore, a clamp is movably arranged on the position adjusting rotating plate, and the position adjusting rotating plate and the clamp are fixedly connected by bolts.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention can stably clamp the tube by setting a clamping assembly, and under the action of the auxiliary thin rod, can improve the stability of the tube during installation, and avoid the tube from shaking or falling off during the replacement process. (2) The present invention can assist in adjusting the position of the tube when the clamping assembly clamps and fixes the tube by setting a centering assembly, and can also ensure the stability and coaxiality of the device when the tube is installed, thereby improving the accuracy of replacement. (3) The present invention can temporarily clamp and store the end cover of the tube mounting seat by setting an auxiliary assembly, so that it can be directly connected to the mounting seat without adjusting the position of the end cover. (4) The present invention can adjust the position of the mounting seat by setting a positioning assembly, so that the axis of the tube installation position of the mounting seat and the axis of the clamping ring plate are on the same straight line, thereby facilitating the subsequent installation of the tube. (5) The present invention realizes the rapid replacement of the X-ray tube and can ensure the coaxiality of the installed tube by the mutual cooperation of the clamping assembly, the centering assembly, the auxiliary assembly and the positioning assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the result of clamping the ring plate of the present invention.

[0016] Figure 3 It is a side view of the structure of the clamping ring plate of the present invention.

[0017] Figure 4 It is a structural schematic diagram of the annular support frame of the present invention.

[0018] Figure 5 for Figure 4 A local enlarged schematic diagram of point A in the middle.

[0019] Figure 6 It is a schematic structural diagram of the clamping assembly of the present invention.

[0020] Figure 7 for Figure 6 A local enlarged schematic diagram of point B in the middle.

[0021] Figure 8 It is a structural schematic diagram of the centering component of the present invention.

[0022] Fig. 9 for Figure 8 A partial enlarged schematic diagram of point C in the middle.

[0023] Fig.10 It is a schematic diagram of the structure of the auxiliary components of the present invention.

[0024] Fig.11 for Fig.10A local enlarged schematic diagram of point D in the middle.

[0025] Fig.12 It is a front view of the structure of the clamping ring plate of the present invention.

[0026] Fig.13 It is a structural schematic diagram of the position adjustment component of the present invention.

[0027] Fig.14 It is a structural schematic diagram of the positioning rotating frame of the present invention.

[0028] Figure numerals: 101-bottom plate; 102-annular support frame; 103-feeding slide plate; 104-feeding screw rod; 105-feeding motor; 106-position adjustment rotating plate; 107-clamp; 108-clamping ring plate; 109-centering ring plate; 110-auxiliary ring plate; 111-clamping short rod; 112-centering short rod; 113-auxiliary long rod; 114-auxiliary thin rod; 115-pitch adjustment screw rod 1; 116-pitch adjustment screw rod 2; 117-pitch adjustment motor 1; 118-pitch adjustment motor 2; 119-transposition gear ring; 120-transposition motor; 121-transposition gear; 122-clamping gear ring; 123-clamping rack; 124-L-shaped long plate; 125 -centering rack; 126-allowing slider; 127-tension spring; 128-clamping motor; 129-clamping gear; 130-transmission gear; 131-centering gear ring; 132-centering motor; 133-centering gear; 134-driven gear; 135-auxiliary gear ring; 136-auxiliary rack; 137-auxiliary motor; 138-auxiliary gear; 139-linkage gear; 140-lateral slide; 141-lateral adjustment screw rod; 142-lateral adjustment motor; 143-vertical slide; 144-vertical adjustment screw rod; 145-vertical adjustment motor; 146-angle adjustment motor one; 147-adjustment rotating frame; 148-angle adjustment motor two. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] Example: Reference Figure 1-Figure 14A quick replacement device for an X-ray tube comprises a base plate 101, on which a clamping assembly is arranged, the clamping assembly comprises a clamping ring plate 108, an annular support frame 102 is fixedly mounted on the base plate 101, the clamping ring plate 108 is rotatably mounted on the annular support frame 102, a transposition gear ring 119 is fixedly mounted on the clamping ring plate 108, a transposition motor 120 is fixedly mounted on the annular support frame 102, a transposition gear 121 is fixedly mounted on the output shaft of the transposition motor 120, the transposition gear 121 and the transposition gear ring 119 are meshed to form a gear pair, the axes of the annular support frame 102, the clamping ring plate 108 and the transposition gear ring 119 are in the same straight line, the transposition motor 120 is started to drive the transposition gear 121 to rotate, so that the transposition gear ring 119 rotates, and the clamping ring plate 108 rotates synchronously, that is, the clamping ring plate 108 rotates relative to the axis of the annular support frame 102.

[0031] The clamping ring plate 108 is provided with three clamping racks 123 for sliding in a circular array. The ends of the clamping racks 123 closest to the axis of the clamping ring plate 108 are fixedly provided with clamping short rods 111 for clamping the tube. The clamping ring plate 108 is also provided with three clamping gears 129 for rotation in a circular array. The clamping gears 129 mesh with the corresponding clamping racks 123 to form a gear rack pair. A gear set 1 is provided between the three clamping gears 129. The gear set 1 includes 1 The clamping gear ring 122 and three transmission gears 130, the clamping gear ring 122 is rotatably mounted on the clamping ring plate 108, the axes of the clamping gear ring 122 and the clamping ring plate 108 are in the same straight line, the transmission gear 130 is fixedly mounted on the side of the corresponding clamping gear 129, the transmission gears 130 are all meshed with the clamping gear ring 122 to form a gear pair, and a clamping motor 128 is also fixedly mounted on the clamping ring plate 108, and the output shaft of the clamping motor 128 is fixedly connected to the corresponding transmission gear 130.

[0032] Start the clamping motor 128 to drive the corresponding transmission gear 130 to rotate. Under the action of the clamping gear ring 122, the three transmission gears 130 rotate synchronously, so that the three clamping gears 129 rotate synchronously, and then the three clamping racks 123 move synchronously toward the direction close to the axis of the clamping ring plate 108 or move synchronously away from the axis of the clamping ring plate 108, so that the three clamping short rods 111 move synchronously toward the direction close to the axis of the clamping ring plate 108 or move synchronously away from the axis of the clamping ring plate 108.

[0033] A yielding slider 126 is also slidably installed on the clamping rack 123, and an auxiliary thin rod 114 is movably arranged on the yielding slider 126. The auxiliary thin rod 114 is used to assist in clamping the ball tube. The distance between the axis of the auxiliary thin rod 114 and the axis of the clamping ring plate 108 is greater than the distance between the axis of the clamping short rod 111 and the axis of the clamping ring plate 108. A protrusion is provided at the dome position of the auxiliary thin rod 114 farthest from the axis of the clamping ring plate 108. The protrusion on the auxiliary thin rod 114 is used to form a spline sliding fit between the auxiliary thin rod 114 and the yielding slider 126.

[0034] A spring is arranged between the clamping rack 123 and the corresponding give-way slider 126, and a tension spring 127 is arranged between the auxiliary thin rod 114 and the corresponding give-way slider 126. One end of the tension spring 127 is fixedly connected to the auxiliary thin rod 114, and the other end of the tension spring 127 is fixedly connected to the give-way slider 126. When the spring between the clamping rack 123 and the corresponding give-way slider 126 and the tension spring 127 are not compressed, the auxiliary thin rod 114 is located at the position closest to the corresponding give-way slider 126 and at the position closest to the adjustment component.

[0035] Starting the clamping motor 128 causes the three clamping short rods 111 to move toward the direction close to the axis of the clamping ring plate 108, and the clamping short rods 111 move toward the direction close to the cathode position of the tube, and finally the three clamping short rods 111 contact the cathode position of the tube, and the tube is clamped and fixed under the action of the clamping short rods 111. In the process of the clamping short rods 111 approaching the cathode position of the tube, the auxiliary thin rod 114 contacts the circumferential surface of the middle position of the tube. When the auxiliary thin rod 114 contacts the circumferential surface of the middle position of the tube, the clamping short rod 111 has not yet contacted the cathode position of the tube, and the clamping short rod 111 continues to move. At this time, the auxiliary thin rod 114 cannot continue to move, even if the spring between the yield slider 126 and the clamping rack 123 is compressed.

[0036] When the ball tube is installed in the ball tube mounting seat, the auxiliary thin rod 114 contacts the end surface of the ball tube mounting seat. At this time, the ball tube continues to move into the ball tube mounting seat. The auxiliary thin rod 114 cannot move further under the action of the end surface of the ball tube mounting seat, so that the auxiliary thin rod 114 slides relative to the yielding slider 126 and the tension spring 127 is stretched.

[0037] A centering assembly is provided on the bottom plate 101, and the centering assembly includes a centering ring plate 109, and the axes of the clamping ring plate 108 and the centering ring plate 109 are in the same straight line. Three centering short rods 112 are movably provided in a circular array on the centering ring plate 109, and the centering short rods 112 and the clamping short rods 111 are arranged at intervals. The centering short rods 112 are used to assist in adjusting the position of the tube. Four centering racks 125 are slidably installed in the circular array on the centering ring plate 109. An L-shaped long plate 124 is fixedly installed at the end of the centering rack 125 farthest from the axis of the centering ring plate 109, and the centering short rods 112 are fixedly installed on the corresponding L-shaped long plates 124 and farthest from the corresponding centering racks 125. On the end of the centering ring plate 109, three centering gears 133 are rotatably mounted on the centering ring plate 109, and the centering gears 133 are meshed with corresponding centering racks 125 to form a gear rack pair. A gear set 2 is arranged between the three centering gears 133. The gear set 2 includes a centering gear ring 131 and three driven gears 134. The centering gear ring 131 is rotatably mounted on the centering ring plate 109, and the centering gears 133 are respectively fixedly mounted on the sides of the corresponding centering gears 133. The driven gears 134 are all meshed with the centering gear ring 131 to form a gear pair. A centering motor 132 is fixedly mounted on the centering ring plate 109, and the output shaft of the centering motor 132 is fixedly connected to the corresponding centering gear 133.

[0038] Start the centering motor 132 to drive the corresponding centering gear 133 to rotate, so that the corresponding driven gear 134 rotates synchronously. Under the action of the centering gear ring 131, the three driven gears 134 rotate synchronously, thereby making the three centering gears 133 rotate synchronously. Under the action of the centering gear 133, the three centering racks 125 move synchronously toward the direction close to the axis of the centering ring plate 109 or move synchronously away from the axis of the centering ring plate 109. Under the action of the L-shaped long plate 124, the three centering short rods 112 move synchronously toward the direction close to the axis of the centering ring plate 109 or move synchronously away from the axis of the centering ring plate 109.

[0039] Under the action of the L-shaped long plate 124, when the centering rack 125 moves to the position closest to the axis of the centering ring plate 109, the centering short rod 112 and the L-shaped long plate 124 will not contact the clamping assembly. When the clamping assembly makes the clamping short rod 111 clamp the cathode position of the ball tube, the distance between the centering ring plate 109 and the clamping ring plate 108 is adjusted to move the centering short rod 112 to the anode position of the ball tube, and then the centering motor 132 is started to make the centering short rod 112 contact the anode position of the ball tube, that is, under the action of the centering short rod 112, the position of the ball tube is auxiliary adjusted to ensure that the axis of the ball tube and the axis of the clamping ring plate 108 are in the same straight line.

[0040] An auxiliary component is provided on the bottom plate 101, and the auxiliary component includes an auxiliary ring plate 110. The axes of the auxiliary ring plate 110 and the clamping ring plate 108 are in the same straight line. Three auxiliary long rods 113 are movably provided in a circular array on the auxiliary ring plate 110. The auxiliary long rods 113 are used to clamp the end cover of the tube mounting seat. Four auxiliary racks 136 are slidably installed in the circular array on the auxiliary ring plate 110. The auxiliary long rods 113 are fixedly installed on the ends of the corresponding auxiliary racks 136 closest to the axis of the auxiliary ring plate 110. Three auxiliary gears 138 are rotatably installed on the auxiliary ring plate 110. The auxiliary gear 138 is meshed with the corresponding auxiliary rack 136 to form a gear rack pair. A gear set three is arranged between the three auxiliary gears 138. The gear set three includes an auxiliary gear ring 135 and three linkage gears 139. The linkage gear 139 is rotatably mounted on the auxiliary ring plate 110. The linkage gears 139 are respectively fixedly mounted on the sides of the corresponding auxiliary gears 138. The linkage gears 139 are all meshed with the auxiliary gear ring 135 to form a gear pair. An auxiliary motor 137 is fixedly mounted on the auxiliary ring plate 110, and the output shaft of the auxiliary motor 137 is fixedly connected to the corresponding auxiliary gear 138.

[0041] Start the auxiliary motor 137 to drive the corresponding auxiliary gear 138 to rotate, so that the corresponding interlocking gear 139 rotates. Under the action of the auxiliary gear ring 135, the three interlocking gears 139 rotate synchronously, so that the three auxiliary gears 138 rotate synchronously. Under the action of the auxiliary gear 138, the three auxiliary racks 136 move synchronously toward the axis of the auxiliary ring plate 110 or synchronously move away from the axis of the auxiliary ring plate 110, thereby making the three auxiliary long rods 113 move synchronously toward the axis of the auxiliary ring plate 110 or synchronously move away from the axis of the auxiliary ring plate 110.

[0042] By starting the auxiliary motor 137, the three auxiliary long rods 113 clamp and store the end cover of the tube mounting seat, thereby ensuring that the position of the end cover will not change when the end cover is subsequently installed.

[0043] The centering ring plate 109 and the auxiliary ring plate 110 are both slidably installed on the annular support frame 102, and the centering ring plate 109 is located between the annular support frame 102 and the auxiliary ring plate 110. When the three centering short rods 112 move, they move from the outside of the clamping ring plate 108, and when the three auxiliary long rods 113 move, they move from the outside of the clamping ring plate 108. A pitch-adjusting screw rod 1 115 and a pitch-adjusting screw rod 2 116 are rotatably installed on the annular support frame 102. The pitch-adjusting screw rod 1 115 and the centering ring plate 109 form a spiral pair, and the pitch-adjusting screw rod 2 116 and the auxiliary ring plate 110 form a spiral pair. A pitch-adjusting motor 1 117 and a pitch-adjusting motor 2 118 are fixedly installed on the annular support frame 102. The output shaft of the pitch-adjusting motor 117 is fixedly connected to the pitch-adjusting screw rod 1 115, and the output shaft of the pitch-adjusting motor 2 118 is fixedly connected to the pitch-adjusting screw rod 2 116.

[0044] Start the pitch-adjusting motor 117 to drive the pitch-adjusting screw 115 to rotate, so that the centering ring plate 109 moves toward the clamping ring plate 108 or moves away from the clamping ring plate 108. Start the pitch-adjusting motor 2 118 to drive the pitch-adjusting screw 2 116 to rotate, so that the auxiliary ring plate 110 moves toward the clamping ring plate 108 or moves away from the clamping ring plate 108.

[0045] The bottom plate 101 is provided with a positioning assembly, which is slidably mounted on a feed slide 103 on the bottom plate 101, a feed screw 104 is rotatably mounted on the bottom plate 101, and the feed screw 104 and the feed slide 103 form a spiral pair, a feed motor 105 is fixedly mounted on the bottom plate 101, and the output shaft of the feed motor 105 is fixedly connected to the feed screw 104, a transverse slide 140 is slidably mounted on the feed slide 103, a transverse positioning screw 141 is rotatably mounted on the feed slide 103, and the transverse positioning screw 141 and the transverse slide 140 form a spiral pair, a transverse positioning motor 142 is fixedly mounted on the feed slide 103, and the transverse The output shaft of the positioning motor 142 is fixedly connected to the transverse positioning screw 141, a vertical slide 143 is slidably mounted on the transverse slide 140, a vertical positioning screw 144 is rotatably mounted on the transverse slide 140, the vertical positioning screw 144 and the vertical slide 143 constitute a spiral pair, a vertical positioning motor 145 is fixedly mounted on the transverse slide 140, the output shaft of the vertical positioning motor 145 is fixedly connected to the vertical positioning screw 144, the moving directions of the feed screw 104, the transverse slide 140, and the vertical slide 143 are perpendicular to each other, that is, the axes of the feed screw 104, the transverse positioning screw 141, and the vertical positioning screw 144 are perpendicular to each other.

[0046] Start the feed motor 105 to drive the feed screw 104 to rotate, so that the feed slide 103 moves along the axis of the feed screw 104, that is, the feed slide 103 moves in the direction close to the annular support frame 102 or moves in the direction away from the annular support frame 102; start the transverse positioning motor 142 to drive the transverse positioning screw 141 to rotate, so that the transverse slide 140 moves along the axis of the transverse positioning screw 141, that is, the transverse slide 140 moves laterally relative to the annular support frame 102; start the vertical positioning motor 145 to drive the vertical positioning screw 144 to rotate, so that the vertical slide 143 moves along the axis of the vertical positioning screw 144, that is, the vertical slide 143 moves vertically relative to the annular support frame 102.

[0047] A positioning rotating frame 147 is rotatably mounted on the vertical slide 143, an angle adjustment motor 146 is fixedly mounted on the vertical slide 143, the output shaft of the angle adjustment motor 146 is fixedly connected to the positioning rotating frame 147, a positioning rotating plate 106 is rotatably mounted on the positioning rotating frame 147, an angle adjustment motor 2 148 is fixedly mounted on the positioning rotating frame 147, the output shaft of the angle adjustment motor 2 148 is fixedly connected to the positioning rotating plate 106, a clamp 107 is movably arranged on the positioning rotating plate 106, and the positioning rotating plate 106 and the clamp 107 are fixedly connected by bolts.

[0048] Working principle: select the corresponding clamp 107 according to the model of the tube mount to be replaced, and then fix the clamp 107 to the adjustment plate 106 by bolts, and then start the horizontal adjustment motor 142, the vertical adjustment motor 145, the angle adjustment motor 146, and the angle adjustment motor 2 148 to adjust the position of the adjustment plate 106 so that the axis of the tube mount on the clamp 107 and the axis of the clamping ring plate 108 are in the same straight line.

[0049] After the position adjustment of the tube mounting seat is completed, the distance adjustment motor 118 is started to move the auxiliary ring plate 110 to the position closest to the centering ring plate 109. At this time, the centering ring plate 109 is located at the farthest position from the annular support frame 102. At this time, the end of the auxiliary long rod 113 closest to the adjustment rotating plate 106 is located in the middle of the clamping assembly and the adjustment assembly. Then the feed motor 105 is started to move the adjustment rotating plate 106 in the direction close to the annular support frame 102, that is, the tube mounting seat is moved in the direction close to the annular support frame 102. , and finally the end cover of the tube mounting seat is moved to the area between the three auxiliary long rods 113, and then the auxiliary motor 137 is started, so that the three auxiliary long rods 113 can clamp and fix the end cover, and then the staff removes the bolts between the end cover and the mounting seat, and then moves the auxiliary assembly away from the adjustment assembly, that is, the end cover is separated from the mounting seat, and finally the auxiliary ring plate 110 is moved to the position farthest from the annular support frame 102, at which time the end cover is located in the area between the clamping ring plate 108 and the centering ring plate 109.

[0050] Then the staff takes out the tube to be replaced in the mounting seat, and then clamps the new tube through the clamping assembly, so that the three clamping short rods 111 clamp the cathode position of the tube. At this time, the three auxiliary thin rods 114 contact the middle position of the tube to assist in supporting the position of the tube, and the position of the tube is assisted by the centering assembly to adjust the position of the tube, so that the three centering short rods 112 contact the anode position of the tube, that is, by clamping both ends of the tube, it is ensured that the axis of the tube and the axis of the clamping ring plate 108 are in the same straight line.

[0051] After the centering short rod 112 completes the adjustment of the ball tube position and the clamping short rod 111 clamps and fixes the ball tube, the centering short rod 112 releases its contact with the anode position of the ball tube, and then the position change motor 120 is started to drive the clamping ring plate 108 to rotate relative to the annular support frame 102, that is, to adjust the position of the ball tube, and then adjust the position of the centering ring plate 109, so that the centering short rod 112 moves to the end position of the mounting seat, and then the three centering short rods 112 contact the end of the mounting seat, thereby improving the stability and coaxiality of the device during subsequent installation.

[0052] Then the feed slide 103 and the centering ring plate 109 move synchronously. At this time, the ball tube mounting seat and the centering short rod 112 move synchronously, so that the ball tube mounting seat contacts the ball tube. Then the feed slide 103 and the centering ring plate 109 continue to move, and the ball tube moves toward the inside of the mounting seat. The auxiliary thin rod 114 contacts the end face of the mounting seat and cannot move further. The auxiliary thin rod 114 slides relative to the surface of the ball tube, and the tension spring 127 is stretched. Finally, after the ball tube completely enters the inside of the mounting seat, the clamping short rod 111 releases the clamping of the ball tube and returns to the initial position. Then the auxiliary ring plate 110 moves in the direction close to the feed slide 103, so that the end cover clamped on the auxiliary long rod 113 is engaged with the mounting seat. Then the staff connects the bolts between the end cover and the mounting seat to complete the replacement of the ball tube.

[0053] The present invention is not limited to the above-mentioned specific implementation modes. Various changes made by technicians in the relevant technical field based on the above-mentioned conception without creative work all fall within the protection scope of the present invention.

Claims

1. A rapid replacement device for an X-ray tube, comprising a base plate (101), characterized in that: The base plate (101) is provided with a clamping assembly, a centering assembly, an auxiliary assembly, and a positioning assembly. The clamping assembly includes a clamping ring plate (108). Three clamping racks (123) are slidably mounted in a circumferential array on the clamping ring plate (108). The ends of the clamping racks (123) closest to the axis of the clamping ring plate (108) are fixedly provided with clamping short rods (111). The clamping short rods (111) are used to clamp the ball tube. The clamping racks (123) are also slidably mounted with a giving way slider (126). The giving way slider (126) 6) An auxiliary thin rod (114) is movably provided on the upper part, and the auxiliary thin rod (114) is used to assist in clamping the ball tube. The centering component includes a centering ring plate (109), and three centering short rods (112) are movably provided in a circular array on the centering ring plate (109). The centering short rods (112) are used to assist in adjusting the position of the ball tube. The auxiliary component includes an auxiliary ring plate (110), and three auxiliary long rods (113) are movably provided in a circular array on the auxiliary ring plate (110). The auxiliary long rods (113) are used to clamp the end cover of the ball tube mounting seat.

2. The X-ray tube quick-change device according to claim 1, characterized in that: An annular support frame (102) is fixedly mounted on the bottom plate (101), and the clamping ring plate (108) is rotatably mounted on the annular support frame (102). Three clamping gears (129) are also rotatably mounted on the clamping ring plate (108) in a circular array. The clamping gears (129) are meshed with corresponding clamping racks (123) to form a gear rack pair, and a gear set 1 is arranged between the three clamping gears (129).

3. The X-ray tube quick-change device according to claim 2, characterized in that: The distance between the axis of the auxiliary thin rod (114) and the axis of the clamping ring plate (108) is greater than the distance between the axis of the clamping short rod (111) and the axis of the clamping ring plate (108); a protrusion is provided at the dome position of the auxiliary thin rod (114) farthest from the axis of the clamping ring plate (108); the protrusion on the auxiliary thin rod (114) is used to form a spline sliding fit between the auxiliary thin rod (114) and the yielding slider (126).

4. The X-ray tube quick replacement device according to claim 3, characterized in that: A spring is provided between the clamping rack (123) and the corresponding giving way slider (126), and a tension spring (127) is provided between the auxiliary thin rod (114) and the corresponding giving way slider (126). When the spring between the clamping rack (123) and the corresponding giving way slider (126) and the tension spring (127) are not compressed, the auxiliary thin rod (114) is located at a position closest to the corresponding giving way slider (126) and at a position closest to the position adjustment component.

5. The X-ray tube quick-change device according to claim 4, characterized in that: Four centering racks (125) are slidably mounted in a circular array on the centering ring plate (109); an L-shaped long plate (124) is fixedly mounted on the end of the centering rack (125) farthest from the axis of the centering ring plate (109); a centering short rod (112) is fixedly mounted on the end of the corresponding L-shaped long plate (124) farthest from the corresponding centering rack (125); three centering gears (133) are also rotatably mounted on the centering ring plate (109); the centering gears (133) are meshed with the corresponding centering racks (125) to form a gear rack pair; and a gear set 2 is arranged between the three centering gears (133).

6. The X-ray tube quick-change device according to claim 5, characterized in that: Four auxiliary racks (136) are slidably mounted in a circular array on the auxiliary ring plate (110); the auxiliary long rod (113) is fixedly mounted on the end of the corresponding auxiliary rack (136) closest to the axis of the auxiliary ring plate (110); three auxiliary gears (138) are rotatably mounted on the auxiliary ring plate (110); the auxiliary gears (138) are meshed with the corresponding auxiliary racks (136) to form a gear rack pair; and a gear set 3 is arranged between the three auxiliary gears (138).

7. The X-ray tube quick-change device according to claim 6, characterized in that: The centering ring plate (109) and the auxiliary ring plate (110) are both slidably mounted on the annular support frame (102); the centering ring plate (109) is located between the annular support frame (102) and the auxiliary ring plate (110); the three centering short rods (112) move from the outside of the clamping ring plate (108); and the three auxiliary long rods (113) move from the outside of the clamping ring plate (108).

8. The X-ray tube quick-change device according to claim 7, characterized in that: The positioning assembly is slidably mounted on a feed slide (103) on a bottom plate (101); a transverse slide (140) is slidably mounted on the feed slide (103); a vertical slide seat (143) is slidably mounted on the transverse slide (140); the moving directions of the feed slide (103), the transverse slide (140) and the vertical slide seat (143) are perpendicular to each other; a positioning rotating frame (147) is rotatably mounted on the vertical slide seat (143); and a positioning rotating plate (106) is rotatably mounted on the positioning rotating frame (147).

9. The X-ray tube quick-change device according to claim 8, characterized in that: A clamp (107) is movably provided on the position adjustment rotating plate (106), and the position adjustment rotating plate (106) and the clamp (107) are fixedly connected by bolts.

Images