CN115446489B - Welding method for tube shell assembly window for CT bulb tube - Google Patents
Welding method for tube shell assembly window for CT bulb tube Download PDFInfo
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- CN115446489B CN115446489B CN202211192651.6A CN202211192651A CN115446489B CN 115446489 B CN115446489 B CN 115446489B CN 202211192651 A CN202211192651 A CN 202211192651A CN 115446489 B CN115446489 B CN 115446489B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Abstract
The invention discloses a welding method of a tube shell assembly window for a CT bulb tube, which comprises the following steps: s1: assembling a welding fixture for fixing the tube shell for later use; s2: clamping the upper end and the lower end of the tube shell by using a welding clamp, and fixing the window of the tube shell on the tube shell by using an arc-shaped compression bar of the welding clamp; s3: the welding fixture is characterized in that the upper end and the lower end of the tube shell are used as tool supporting parts, the inner diameter and the outer diameter of the tube shell body are not damaged by the finally assembled welding fixture, the welding quality and the appearance quality of a finished product are ensured, and the whole welding fixture does not need to use high-temperature-resistant soft materials for supporting, so that side effects on the environment or human body are avoided.
Description
Technical Field
The invention relates to the technical field of tube shell assembly welding, in particular to a welding method of a tube shell assembly window for a CT bulb tube.
Background
The tube shell component is a key component in a CT bulb tube, and the performance of the tube shell component directly influences the image quality and the service life of CT. The X-rays are emitted through the window of the envelope assembly, so the quality of the weld at the window has a very large impact on the imaging quality.
The welding area at the window of the pipe shell assembly is an arc area section and is formed by welding different materials, the expansion coefficient difference of the materials is large at high temperature, and the arc combination of two products is not perfect combination, so that in order to ensure the welding quality, a tooling fixture is needed to be designed to clamp the welding position, and the arc combination of the products of two different materials is more fit to ensure the welding quality.
The existing welding fixture clamping adopts a high-temperature-resistant soft material and a tube shell body to be contacted as a supporting part, a welding area is an arc surface, and the fixture is welded and attached along the arc.
Therefore, there is an urgent need for a tube shell window welding method that does not harm the appearance quality of the tube shell and has good welding quality.
Disclosure of Invention
In order to solve the technical problems, the invention provides a welding method of a tube shell assembly window for a CT bulb tube.
The technical scheme of the invention is as follows: a welding method of a tube shell assembly window for a CT bulb tube comprises the following steps:
s1, assembling a welding fixture for fixing a tube shell for later use;
s2, clamping the upper end and the lower end of the tube shell by using a welding clamp, and fixing a window of the tube shell on the tube shell by using an arc-shaped compression bar of the welding clamp;
s3, welding the joint of the window and the tube shell.
The invention adopts the upper and lower ends of the tube shell as the tool supporting parts, firstly clamps the upper and lower ends of the tube shell, and finally clamps the window, so that the finally assembled welding fixture can not hurt the inner and outer diameters of the tube shell body, the welding quality and the appearance quality of the finished product are ensured, and the whole welding fixture does not need to use high-temperature-resistant soft materials for supporting, thereby avoiding side effects on the environment or human body.
Further, the welding fixture comprises a bottom plate for contacting with the lower end of the tube shell; the upper part of the bottom plate is provided with two groups of supporting rods which are used for being in sliding connection with the regulating plates, the regulating plates are provided with clamping blocks which are used for being in contact with the upper ends of the tube shells, and the supporting rods above the regulating plates are provided with limiting kits which are used for limiting the sliding range of the regulating plates; be equipped with the arc depression bar that is used for fixing the window on the tube shell between bottom plate and the regulating plate, and arc depression bar both ends are connected with two sets of branches respectively, be equipped with on the arc depression bar be used for with window contact's briquetting, foretell welding jig can be through the position of regulating plate with the tube shell fixed on the bottom plate to closely laminate with the window through the briquetting on the arc depression bar, the supporting part can not cause the injury to the inside and outside footpath of tube shell in the clamping process, and briquetting and window closely laminate and can guarantee welding quality.
Further, the grip block is provided with a handle for controlling the adjusting plate to move up and down, the handle is arranged to operate the adjusting plate to move up and down more easily, the manufacturing cost is low, and the practicability is good.
Further, the limiting sleeve comprises a sleeve ring which is sleeved on the supporting rod in a sliding mode, a bolt used for limiting sliding of the sleeve ring is arranged on the side wall of the sleeve ring in contact with the supporting rod, the bolt is connected with the sleeve ring through threads, the sleeve ring is fixed through the bolt, the sleeve ring can be prevented from sliding at will, the position can be adjusted at will, and the manufacturing cost is low.
As an optional technical scheme of the invention, the supporting rod is fixedly connected with the bottom plate, and the adjusting plate is a plate with fixed length; the arc-shaped compression bar is a bar piece with fixed radian; the briquetting is the arc briquetting of fixed radian, and fixed effect of arc depression bar of fixed radian is good, can guarantee the fixed effect of window, guarantees welding quality.
As another alternative technical scheme of the invention, the supporting rod is in sliding connection with a chute arranged on the bottom plate; the adjusting plate is a square tube with a hollow inside, two ends of the adjusting plate are respectively provided with a group of movable plates, one ends of the movable plates extend into the adjusting plate and are in limiting sliding connection with the adjusting plate, the other ends of the movable plates are in sliding connection with the supporting rods, gears which are rotationally connected with the movable plates are arranged in the middle of the adjusting plate, the lower ends of the gears are provided with transmission shafts which penetrate through the adjusting plate and are fixedly connected with the clamping blocks, one group of movable plates is provided with racks which are meshed with one side of each gear, the other group of movable plates is provided with racks which are meshed with the other side of each gear, and the two groups of racks are mutually parallel; the adjusting plate is internally provided with a self-locking assembly for limiting the rotation of the gear; the arc depression bar comprises multiunit arc short bar, and adjacent two sets of arc short bars rotate to be connected, and the regulating plate can adjust length as required for the composition board, and the distance between two sets of branches of length variation adjustment of regulating plate can be followed to branch with bottom plate sliding connection to the shell of adaptation different specifications can avoid designing the welding jig of multiple specification, and the arc depression bar that comprises multiunit arc short bar can follow branch and slide and change the radian, makes the briquetting can keep laminating with the window all the time.
Further, the self-locking assembly comprises a device box, a toothed plate used for limiting gear rotation by meshing with the gear is arranged in the device box in a sliding mode, the toothed plate is connected with the inner wall of the device box through a spring rod, an operating rod used for controlling the toothed plate to mesh with the gear is arranged on the toothed plate, the upper end of the operating rod penetrates through a sliding groove formed in the adjusting plate, and when the tube shell is fixed by the welding fixture, the self-locking assembly can prevent the gear from rotating through the toothed plate, so that the tube shell is prevented from being clamped unstably due to random rotation of the gear.
Further, one group of the arc-shaped short rods is provided with a butt joint groove, and the other group of the arc-shaped short rods adjacent to the arc-shaped short rods are provided with butt joint blocks for being matched and butted with the butt joint groove; a rotating shaft is arranged in the butt joint groove, penetrates through the butt joint block and is in rotary connection with the butt joint block, and a torsion spring is sleeved outside the rotating shaft; the contact surface of the pressing block and the window is provided with a plurality of groups of cylindrical air bags used for being in contact with the window through inflation, the pressing block is provided with an air bin, and the air bin is communicated with the cylindrical air bags through a pipeline arranged in the pressing block; the multiunit arc quarter butt outside all is equipped with the sleeve, sleeve one end is equipped with rather than inside sealed sealing plug, and the sleeve other end is equipped with rather than inner wall sliding seal's piston, multiunit sleeve lateral wall all through the arc hose with the gas storehouse intercommunication, a set of branch upper end is equipped with the stay cord, the stay cord passes another set of branch upper end and passes each sleeve in proper order along the arc depression bar direction, and the stay cord with piston fixed connection, stay cord and sleeve sliding seal connection, the stay cord can pull the gas volume in the piston adjustment cylindricality gasbag when branch slides, guarantees when arc depression bar radian changes that the briquetting can both closely laminate to the window of different radians, improves the fixed effect of window to under torsional spring and stay cord combined action, can guarantee that the arc quarter butt is not rotated at will when the welding.
The beneficial effects of the invention are as follows:
(1) The invention adopts the upper end and the lower end of the pipe shell as the tool supporting parts, the finally assembled welding fixture can not damage the inner diameter and the outer diameter of the pipe shell body, the welding quality and the appearance quality of the finished product are ensured, and the whole welding fixture does not need to use high-temperature-resistant soft materials for supporting, thereby avoiding side effects on the environment or human body.
(2) The length of the adjusting plate can be adjusted, the distance between the two groups of struts can also be adjusted along with the length of the adjusting plate, meanwhile, the struts can drive the arc-shaped compression bars to perform radian adjustment, and the pull ropes are driven to inflate the cylindrical air bags, so that the window and the tube shells are tightly combined, the welding quality is ensured, the welding fixture can adapt to the tube shells with different specifications, and the design of various welding fixtures is avoided.
Drawings
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic overall structure of embodiment 2 of the present invention;
FIG. 3 is a schematic view of the structure of an arc-shaped short bar according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of a docking station according to embodiment 2 of the present invention;
FIG. 5 is a top view of embodiment 2 of the present invention;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is a schematic view showing the structure of a clamping block according to embodiment 2 of the present invention;
FIG. 8 is a schematic diagram of a briquette structure according to example 2 of the invention;
FIG. 9 is a schematic view showing the internal structure of a sleeve according to embodiment 2 of the present invention;
the device comprises a 1-tube shell, a 11-window, a 2-bottom plate, a 21-supporting rod, a 22-limiting sleeve, a 3-adjusting plate, a 31-clamping block, a 32-movable plate, a 33-handle, a 34-gear, a 35-device box, a 36-toothed plate, a 4-arc-shaped pressing rod, a 41-pressing block, a 411-air bin, a 412-cylindrical air bag, a 42-arc-shaped short rod, a 43-butt joint groove, a 44-butt joint block, a 45-sleeve, a 46-pull rope and a 47-arc-shaped hose.
Detailed Description
The invention will be described in further detail with reference to the following embodiments to better embody the advantages of the invention.
Example 1
A welding method of a tube shell assembly window for a CT bulb tube comprises the following steps:
s1, assembling a welding fixture for fixing the pipe shell 1 for later use;
s2, clamping the upper end and the lower end of the tube shell 1 by using a welding clamp, and fixing a window 11 of the tube shell 1 on the tube shell 1 by using an arc-shaped compression bar 4 of the welding clamp;
s3, welding the joint of the window 11 and the tube shell 1;
the welding fixture comprises a bottom plate 2 for contacting with the lower end of the tube shell 1;
as shown in fig. 1, an adjusting plate 3 for clamping the upper end and the lower end of the tube shell 1 by matching with the bottom plate 2 is arranged above the bottom plate 2 in parallel, two groups of supporting rods 21 for sliding connection with the adjusting plate 3 are arranged on the bottom plate 2, a clamping block 31 for contacting with the upper end of the tube shell 1 is arranged on the adjusting plate 3, a handle 33 for controlling the adjusting plate 3 to move up and down is arranged on the clamping block 31,
a limit sleeve 22 for limiting the sliding range of the adjusting plate 3 is arranged on the supporting rod 21 above the adjusting plate 3,
the limit sleeve 22 comprises a lantern ring which is sleeved on the supporting rod 21 in a sliding way, a bolt which is used for limiting the sliding of the lantern ring by contacting with the supporting rod 21 is arranged on the side wall of the lantern ring, and the bolt is connected with the lantern ring through threads;
an arc-shaped compression bar 4 for fixing the window 11 on the pipe shell 1 is arranged between the bottom plate 2 and the adjusting plate 3, the left end and the right end of the arc-shaped compression bar 4 are respectively connected with two groups of struts 21, a pressing block 41 for contacting with the window 11 is arranged on the arc-shaped compression bar 4, a limiting block for limiting the position of the pipe shell 1 is arranged on the bottom plate 2, the limiting block is in sliding connection with a guide rail of the bottom plate 2,
the supporting rod 21 is fixedly connected with the bottom plate 2, and the adjusting plate 3 is a plate with fixed length; the arc-shaped compression bar 4 is a bar piece with fixed radian; the pressing block 41 is an arc pressing block 41 with fixed radian.
The working principle of the welding fixture is as follows: the tube shell 1 is placed on the bottom plate 2 below the adjusting plate 3, the position of the tube shell 1 is adjusted to enable the pressing block 41 to fix the window 11, the adjusting plate 3 is moved downwards and the clamping block 31 is contacted with the tube shell 1 by pressing the handle 33, the sleeve ring is slid and the bolt is screwed down to enable the sleeve ring to limit the position of the adjusting plate 3, and then welding is started on the joint of the window 11 and the tube shell 1.
Example 2
As shown in fig. 2, this embodiment is basically the same as embodiment 1, except that the strut 21 is slidably connected to a chute provided in the base plate 2;
as shown in fig. 5, the adjusting plate 3 is a square tube with hollow inside, the left and right ends of the adjusting plate 3 are respectively provided with a group of movable plates 32, one end of the movable plate 32 extends into the adjusting plate 3 and is in limit sliding connection with the adjusting plate 3, the other end of the movable plate 32 is in sliding connection with the supporting rod 21,
as shown in fig. 6 and 7, a gear 34 which is rotationally connected with the adjusting plate 3 is arranged at the middle part in the adjusting plate 3, a transmission shaft which penetrates through the adjusting plate 3 and is fixedly connected with the clamping block 31 is arranged at the lower end of the gear 34,
one end of one group of movable plates 32 is provided with racks which are meshed with one side of the gear 34, one end of the other group of movable plates 32 is provided with racks which are meshed with the other side of the gear 34, and the two groups of racks are mutually parallel;
the adjusting plate 3 is internally provided with a self-locking component for limiting the rotation of the gear 34; the arc-shaped compression bar 4 is composed of five groups of arc-shaped short bars 42, two adjacent groups of arc-shaped short bars 42 are rotationally connected,
the self-locking assembly comprises a device box 35, a toothed plate 36 which is used for being meshed with the gear 34 to limit the rotation of the gear 34 is arranged in the device box 35 in a sliding way, the toothed plate 36 is connected with the inner wall of the device box 35 through a spring rod, an operating rod which is used for controlling the toothed plate 36 to be meshed with the gear 34 is arranged on the toothed plate 36, the upper end of the operating rod passes through a sliding groove arranged on the adjusting plate 3,
as shown in fig. 4, one group of arc-shaped short rods 42 is provided with a butt joint groove 43, and the other group of arc-shaped short rods 42 adjacent to the arc-shaped short rods are provided with butt joint blocks 44 for matching and butt joint with the butt joint groove 43;
a rotating shaft is arranged in the butt joint groove 43, penetrates through the butt joint block 44 and is in rotary connection with the butt joint block 44, and a torsion spring is sleeved outside the rotating shaft;
as shown in fig. 8, five groups of cylindrical air bags 412 for being in contact with the window 11 through inflation are arranged on the contact surface of the pressing block 41 and the window 11, an air bin 411 is arranged on the pressing block 41, and the air bin 411 is communicated with the cylindrical air bags 412 through a pipeline arranged in the pressing block 41;
as shown in fig. 3, the outer sides of the five groups of arc short rods 42 are respectively provided with a sleeve 45, the right end of each sleeve 45 is provided with a sealing plug for sealing the inner part of each sleeve 45, the left end of each sleeve 45 is provided with a piston in sliding sealing connection with the inner wall of each sleeve 45, the side walls of the five groups of sleeves 45 are respectively communicated with the air bin 411 through arc hoses 47, the upper ends of one group of struts 21 are respectively provided with a pull rope 46, the pull ropes 46 penetrate through the upper ends of the other group of struts 21 and sequentially penetrate through each sleeve 45 along the direction of the arc compression rod 4, the pull ropes 46 are fixedly connected with the pistons, and the pull ropes 46 are in sliding sealing connection with the sleeves 45.
The working principle of the welding fixture is as follows: the toothed plate 36 is not meshed with the gear 34 by sliding the operation rod, the clamping block 31 is rotated by the handle 33, the gear 34 is driven by the clamping block 31 to rotate by the transmission shaft, the gear 34 rotates to drive the rack to move, the two groups of movable plates 32 slide in the adjusting plate 3 along with the rack, the distance between the two groups of movable plates 32 changes to drive the two groups of supporting rods 21 to move together, the distance between the two groups of supporting rods 21 is adjusted to a proper length according to the diameter of the pipe shell 1, then the adjusting plate 3 is adjusted to enable the clamping block 31 to clamp the pipe shell 1, when the distance between the two groups of supporting rods 21 changes, the arc short rod 42 rotates, the integral radian of the arc pressing rod 4 changes under the action of the torsion spring,
when the distance between the two groups of struts 21 is adjusted from small to large, the middle part of the arc-shaped compression bar 4 (namely the position where the pressing block 41 is positioned) is close to the window 11, the distance between the contact surface of the pressing block 41 and the window 11 is reduced, meanwhile, the struts 21 pull the pull ropes 46 to enable the sleeves 45 to suck air to reduce the air quantity of the air bin 411, so that the problems that the pressing block 41 excessively pushes the window 11 under the action of the elasticity of the torsion spring of the arc-shaped compression bar 4 to deform the window 11 and the like are prevented;
when the distance between the two groups of struts 21 is adjusted from large to small, the middle part of the arc-shaped compression bar 4 (namely the position where the pressing block 41 is positioned) is away from the window 11, the distance between the contact surface of the pressing block 41 and the window 11 is increased, and meanwhile, the struts 21 can loosen the pull ropes 46, so that each sleeve 45 inflates the air bin 411, the cylindrical air bag 412 inflates, the cylindrical air bag 412 can be tightly attached to the window 11, and the fixing effect of the window 11 is ensured.
Claims (5)
1. The welding method of the tube shell assembly window for the CT bulb tube is characterized by comprising the following steps of:
s1, assembling a welding fixture for fixing the pipe shell (1) for later use;
s2, clamping the upper end and the lower end of the tube shell (1) by using a welding clamp, and fixing a window (11) of the tube shell (1) on the tube shell (1) by using an arc-shaped compression bar (4) of the welding clamp;
s3, welding the joint of the window (11) and the tube shell (1);
the welding fixture comprises a bottom plate (2) for contacting with the lower end of the tube shell (1); an adjusting plate (3) used for clamping the upper end and the lower end of the tube shell (1) in a matched mode with the bottom plate (2) is arranged above the bottom plate (2), two groups of support rods (21) used for being in sliding connection with the adjusting plate (3) are arranged on the bottom plate (2), clamping blocks (31) used for being in contact with the upper end of the tube shell (1) are arranged on the adjusting plate (3), and a limiting sleeve piece (22) used for limiting the sliding range of the adjusting plate (3) is arranged on the support rods (21) above the adjusting plate (3);
an arc-shaped pressing rod (4) for fixing the window (11) on the tube shell (1) is arranged between the bottom plate (2) and the adjusting plate (3), two ends of the arc-shaped pressing rod (4) are respectively connected with two groups of supporting rods (21), and a pressing block (41) for contacting with the window (11) is arranged on the arc-shaped pressing rod (4);
the supporting rod (21) is in sliding connection with a sliding groove arranged on the bottom plate (2); the adjusting plate (3) is a square tube with a hollow inside, two ends of the adjusting plate (3) are respectively provided with a group of movable plates (32), one end of each movable plate (32) extends into the adjusting plate (3) and is in limit sliding connection with the adjusting plate (3), the other end of each movable plate (32) is in sliding connection with the corresponding supporting rod (21), a gear (34) which is rotationally connected with the adjusting plate is arranged in the middle of the adjusting plate (3), the lower end of each gear (34) is provided with a transmission shaft which penetrates through the adjusting plate (3) and is fixedly connected with the corresponding clamping block (31), one end of each movable plate (32) is provided with a rack which is meshed with one side of each gear (34), and one end of the other movable plate (32) is provided with a rack which is meshed with the other side of each gear (34), and the two groups of racks are mutually parallel;
the adjusting plate (3) is internally provided with a self-locking assembly for limiting the rotation of the gear (34); the arc-shaped compression bar (4) is composed of a plurality of groups of arc-shaped short bars (42), and two adjacent groups of arc-shaped short bars (42) are rotationally connected.
2. A method of welding a window in a tube and shell assembly for a CT bulb according to claim 1, wherein the clamp block (31) is provided with a handle (33) for controlling the up and down movement of the adjusting plate (3).
3. The welding method of a tube shell assembly window for a CT bulb according to claim 1, wherein the limiting sleeve (22) comprises a sleeve ring sleeved on the supporting rod (21) in a sliding manner, a bolt used for limiting the sliding of the sleeve ring by contacting with the supporting rod (21) is arranged on the side wall of the sleeve ring, and the bolt is connected with the sleeve ring through threads.
4. The welding method of the tube and shell assembly window for the CT bulb tube according to claim 1, wherein the self-locking assembly comprises a device box (35), a toothed plate (36) used for being meshed with the gear (34) to limit the rotation of the gear (34) is slidably arranged in the device box (35), the toothed plate (36) is connected with the inner wall of the device box (35) through a spring rod, an operating rod used for controlling the toothed plate (36) to be meshed with the gear (34) is arranged on the toothed plate, and the upper end of the operating rod penetrates through a sliding groove arranged on the adjusting plate (3).
5. A method for welding a window of a tube and shell assembly for a CT bulb according to claim 1, wherein one group of the arc-shaped short bars (42) is provided with a butt joint groove (43), and the other group of the arc-shaped short bars (42) adjacent to the arc-shaped short bars are provided with a butt joint block (44) for being matched and butted with the butt joint groove (43);
a rotating shaft is arranged in the butt joint groove (43), penetrates through the butt joint block (44) and is rotationally connected with the butt joint block (44), and a torsion spring is sleeved outside the rotating shaft;
a plurality of groups of cylindrical air bags (412) used for being in contact with the window (11) through inflation are arranged on the contact surface of the pressing block (41) and the window (11), an air bin (411) is arranged on the pressing block (41), and the air bin (411) is communicated with the cylindrical air bags (412) through a pipeline arranged in the pressing block (41);
the outside of multiunit arc quarter butt (42) all is equipped with sleeve (45), sleeve (45) one end is equipped with rather than inside sealed sealing plug, and sleeve (45) other end be equipped with rather than inner wall sliding seal's piston, multiunit sleeve (45) lateral wall all through arc hose (47) with gas storehouse (411) intercommunication, a set of branch (21) upper end is equipped with stay cord (46), stay cord (46) pass another set of branch (21) upper end and pass each sleeve (45) in proper order along arc depression bar (4) direction, and stay cord (46) with piston fixed connection, stay cord (46) and sleeve (45) sliding seal connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192651.6A CN115446489B (en) | 2022-09-28 | 2022-09-28 | Welding method for tube shell assembly window for CT bulb tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192651.6A CN115446489B (en) | 2022-09-28 | 2022-09-28 | Welding method for tube shell assembly window for CT bulb tube |
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| CN115446489A CN115446489A (en) | 2022-12-09 |
| CN115446489B true CN115446489B (en) | 2023-10-10 |
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| CN112894418A (en) * | 2019-12-04 | 2021-06-04 | 阮凌飞 | Environment-friendly machining clamp convenient to adjust |
| CN212330177U (en) * | 2020-05-30 | 2021-01-12 | 山西斯米咖科技有限公司 | Pipe shell positioning mechanism |
| CN113579570A (en) * | 2021-07-05 | 2021-11-02 | 王云 | Ultrapure water filter cylinder automatic deviation rectifying welding device and method thereof |
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