CN115219115A - Stable gas measurement device and gas measurement method - Google Patents
Stable gas measurement device and gas measurement method Download PDFInfo
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- CN115219115A CN115219115A CN202210860104.4A CN202210860104A CN115219115A CN 115219115 A CN115219115 A CN 115219115A CN 202210860104 A CN202210860104 A CN 202210860104A CN 115219115 A CN115219115 A CN 115219115A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model belongs to the technical field of the gas tightness detects technique and specifically relates to a stable gas is surveyed device and gas and is surveyed method is related to, comprises a workbench, be equipped with on the workstation and put the thing board, be equipped with the inner core on putting the thing board, set up the gas inlet and the gas outlet that are linked together on the inner core, it is equipped with the sealing washer on the thing board to put, be equipped with the mount on the workstation, be equipped with seal assembly on the mount. The application can enhance the sealing effect on the special-shaped workpiece and avoid the leakage of gas in the special-shaped workpiece as much as possible, so that the accuracy of a detection result can be ensured.
Description
Technical Field
The application relates to the technical field of air tightness detection, in particular to a stable gas measurement device and a gas measurement method.
Background
The utility model provides a special-shaped workpiece, includes integrated into one piece's installation department and test section, and installation department and test section are the casing, have seted up a plurality of screws on the installation department, and the diapire of installation department is the plane irregularity form, has seted up the installation cavity in the installation department, has seted up cylindrical cavity in the test section, and the cavity is linked together with the installation cavity, and integrated into one piece has cyclic annular bead on the inner wall at cavity top.
When the air tightness of the special-shaped workpiece is detected, the special-shaped workpiece needs to be fixed by the clamping device, the cavity and the mounting cavity of the special-shaped workpiece are sealed by the sealing device, gas with certain pressure intensity is injected into the special-shaped workpiece, and whether the gas pressure intensity changes or not is detected after a period of time.
In view of the technical scheme, the inventor finds that leakage is easily generated at the connecting positions of the sealing device, the mounting part and the testing part when the special-shaped workpiece is sealed, and accordingly the air tightness detection result is deviated.
Disclosure of Invention
In order to solve the problem that the sealing device leaks easily with the connection position department of installation department and test section, the application provides a stable gas measurement device and gas measurement method.
On the one hand, this application provides a stable gas survey device, adopts following technical scheme: the utility model provides a stable gas measuring device, includes the workstation, be equipped with on the workstation and put the thing board, it is equipped with the inner core on the thing board to put, set up the gas inlet and the gas outlet that are linked together on the inner core, it is equipped with the sealing washer on the thing board to put, be equipped with the mount on the workstation, be equipped with seal assembly on the mount.
Through adopting above-mentioned technical scheme, through setting up the sealing washer, the sealing washer can strengthen special-shaped workpiece bottom and put the sealed effect between the thing board, through setting up seal assembly, seals through seal assembly to special-shaped workpiece's top, helps strengthening special-shaped workpiece top and puts the sealed effect between the thing board, helps avoiding leaking as far as possible to can guarantee the accuracy of testing result.
In a specific embodiment, seal assembly includes seal cylinder and closing plate, seal cylinder sets up on the roof of mount, seal cylinder orientation put the thing board setting, the closing plate sets up on seal cylinder's piston rod, be equipped with the telescopic link on the diapire of closing plate, the bottom of telescopic link is equipped with presses the clamp plate, the seal groove has been seted up on the clamp plate, the cover is equipped with the sealing washer on the seal groove, the sealing washer setting is between closing plate and press the clamp plate.
Through adopting above-mentioned technical scheme, promote the closing plate through sealed cylinder and push down, the closing plate drives and pushes down together according to clamp plate and sealing ring, presses the clamp plate and special-shaped workpiece contact back, under the combined action of closing plate and clamp plate, the sealing washer is flattened to can strengthen the contact between sealing washer and the special-shaped workpiece, help realizing better sealed effect.
In a specific embodiment, the worktable is provided with a clamping component.
Through adopting above-mentioned technical scheme, through setting up the centre gripping subassembly, the centre gripping subassembly can carry out the centre gripping location to special-shaped workpiece, helps strengthening special-shaped workpiece and puts the connection effect between the thing board, also can make special-shaped workpiece remain stable simultaneously.
In a specific embodiment, the clamping assembly comprises a clamping cylinder and a clamping rod arranged on a piston rod of the clamping cylinder, the clamping rod is rotatably connected with the clamping cylinder, a connecting rod is rotatably connected with the clamping cylinder, and the connecting rod is rotatably connected with the clamping rod.
Through adopting above-mentioned technical scheme, when the piston rod of centre gripping cylinder stretches out, the centre gripping cylinder drives the one end rebound of supporting rod, and under the limiting displacement of connecting rod, the supporting rod is close to the one end of special-shaped workpiece and pushes down to play the fixed effect of centre gripping to special-shaped workpiece, convenient operation helps realizing good fixed effect.
In a specific practical implementation scheme, be equipped with the lift cylinder on the workstation, be equipped with the lifter plate on the piston rod of lift cylinder, be equipped with the lift cover on the roof of lifter plate, the centre gripping subassembly is including rotor plate and the connecting plate of setting in the lift cover, be equipped with push cylinder on the diapire of lifter plate, push cylinder's piston rod passes the lifter plate and links to each other with the connecting plate, the mounting groove has been seted up on the connecting plate, the rotor plate rotates to be connected in the mounting groove.
Through adopting above-mentioned technical scheme, drive lifter plate and lift cover through the lift cylinder and rise, make the lift cover pass the screw, promote the cylinder and promote the connecting plate and rise, in the connecting plate drives the rotor plate and stretches out the lift cover, the lifter plate rotated to the horizontality, and the lifter plate contacts with special-shaped workpiece, promotes the cylinder and drives the lifter plate and descends, makes the rotor plate exert decurrent power to special-shaped workpiece, helps strengthening the fixed effect to special-shaped workpiece.
In a specific possible embodiment, the workbench is provided with a telescopic support rod, and the support rod is connected with the lifting plate.
Through adopting above-mentioned technical scheme, through setting up the bracing piece, at the in-process that the lifter plate goes up and down, the bracing piece can make the lift of lifter plate more stable, and then can play better fixed centre gripping effect to special-shaped workpiece.
In a specific implementation mode, a balancing weight is arranged at one end, away from the connecting plate, of the rotating plate, and a pressing elastic piece used for being in contact with the special-shaped workpiece is arranged on the balancing weight.
Through adopting above-mentioned technical scheme, through setting up the balancing weight, stretch out lifting sleeve back at the dwang, can make the dwang keep the level under the action of gravity of balancing weight, simultaneously under the action of gravity of balancing weight, can play better centre gripping effect to special-shaped work piece.
In a specific embodiment, the workbench is provided with a rotating assembly.
Through adopting above-mentioned technical scheme, through setting up the runner assembly, drive the supporting rod through the runner assembly and rotate, can step down special-shaped workpiece, be convenient for place special-shaped workpiece on putting the thing board, also be convenient for carry out centre gripping, convenient operation to special-shaped workpiece.
In a specific possible implementation scheme, the rotating assembly comprises a rotating gear and a rack, the rotating gear is arranged at the bottom of the clamping cylinder, a rack is arranged at the bottom of the workbench, a push-pull cylinder is arranged on the rack, the rack is mounted on a piston rod of the push-pull cylinder, and the rack is meshed with the rotating gear.
Through adopting above-mentioned technical scheme, drive the rack through push-and-pull cylinder and remove, the rack drives the running gear and rotates to drive centre gripping cylinder and supporting rod and rotate, be convenient for realize stepping down and centre gripping to special-shaped workpiece, convenient operation.
In another aspect, the present application provides a stable gas measurement method, which is applied to the above stable gas measurement apparatus, and includes the following steps:
s1, detecting the flatness of the bottom wall of the special-shaped workpiece;
s2, pressing and positioning the detected special-shaped workpiece;
s3, sealing the top of the special-shaped workpiece;
s4, introducing gas into the gas inlet;
and S5, detecting whether the air pressure in the special-shaped workpiece changes or not after a period of time.
Through adopting above-mentioned technical scheme, through carrying out the roughness to the work piece diapire and detecting, press the bottom and the top of special-shaped workpiece again, help realizing better sealed effect, avoid gas leakage in the special-shaped workpiece, help guaranteeing the accuracy of testing result.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the sealing ring, the sealing effect between the bottom of the special-shaped workpiece and the object placing plate can be enhanced by the sealing ring, and by arranging the sealing assembly, the top of the special-shaped workpiece is sealed by the sealing assembly, so that the sealing effect between the top of the special-shaped workpiece and the object placing plate is enhanced, gas leakage is avoided as much as possible, and the accuracy of a detection result can be ensured;
2. by arranging the clamping assembly, the clamping assembly can clamp and position the special-shaped workpiece, so that the connecting effect between the special-shaped workpiece and the object placing plate is enhanced, and the special-shaped workpiece can be kept stable;
3. through setting up rotating assembly, drive the supporting rod through rotating assembly and rotate, can step down special-shaped workpiece, be convenient for place special-shaped workpiece on putting the thing board, also be convenient for carry out centre gripping, convenient operation to special-shaped workpiece.
Drawings
Fig. 1 is a schematic overall structure diagram of a special-shaped workpiece in the prior art.
Fig. 2 is a schematic bottom view of a special-shaped workpiece in the prior art.
Fig. 3 is a schematic view of the entire structure of embodiment 1.
Fig. 4 is a schematic view showing the position of the seal ring in embodiment 1.
Fig. 5 is an exploded structure diagram of a sealing plate, a sealing ring and a pressing plate in example 1.
Fig. 6 is a schematic structural view of a rotating unit in embodiment 2.
FIG. 7 is a schematic view of the entire structure of embodiment 3.
Fig. 8 is a sectional view of the clip assembly of embodiment 3.
Description of the reference numerals:
1. an installation part; 12. a test section; 13. a screw hole; 14. a cavity; 15. a mounting cavity; 16. a rib; 2. a work table; 21. a slide rail; 22. a moving cylinder; 23. a storage plate; 24. a seal ring; 25. an inner core; 27. a gas outlet; 28. a fixed mount; 3. a seal assembly; 31. sealing the cylinder; 32. a sealing plate; 33. a telescopic rod; 34. a pressing plate; 35. a sealing groove; 36. a seal ring; 4. a clamping assembly; 41. a clamping cylinder; 42. a clamping rod; 43. a connecting rod; 44. a rubber block; 45. a positioning assembly; 46. positioning the air cylinder; 47. positioning a rod; 48. positioning a plate; 49. a through hole; 50. a frame; 5. a rotating assembly; 51. a rotating gear; 52. a rack; 53. a first connection portion; 54. a second connecting portion; 55. a push-pull cylinder; 6. a lifting cylinder; 61. a lifting plate; 62. a support bar; 63. a push cylinder; 64. a lifting sleeve; 65. a rotating plate; 66. a connecting plate; 67. a balancing weight; 68. and (7) a rubber pad.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 2, the special-shaped workpiece that the gas survey device detected includes integrated into one piece's installation department 1 and test section 12, installation department 1 and test section 12 are the casing, a plurality of screw holes 13 have been seted up on the installation department 1, the diapire of installation department 1 is the irregular form in plane, install chamber 15 has been seted up in the installation department 1, cylindrical cavity 14 has been seted up in test section 12, cavity 14 is linked together with install chamber 15, integrated into one piece has two rings of annular bead 16 on the inner wall at cavity 14 top, annular bead 16 interval sets up.
Example 1:
the embodiment of the application discloses stable gas survey device, refer to fig. 3, stable gas survey device includes workstation 2, is fixed with slide rail 21 and moving cylinder 22 on the workstation 2, and sliding fit has on the slide rail 21 puts thing board 23, and moving cylinder 22 orientation is put thing board 23 setting, puts thing board 23 and fixes on moving cylinder 22's piston rod. The piston rod of the movable cylinder 22 extends and retracts to drive the object placing plate 23 to move on the slide rail 21.
Referring to fig. 3 and 4, a packing 24 is fixedly mounted on the shelf 23, and the packing 24 has the same shape as the contour of the bottom wall of the mounting portion 1. An inner core 25 is further fixed on the object placing plate 23, an air inlet (not shown in the figure) is formed in the bottom wall of the inner core 25, and a plurality of air outlets 27 communicated with the air inlet are formed in the top wall of the inner core 25. The test part 12 of the special-shaped workpiece is sleeved on the inner core 25, and the sealing ring 24 seals the bottom of the mounting part 1 in the mounting part 1.
Referring to fig. 4, a fixing frame 28 is fixed on the object placing plate 23, a sealing assembly 3 is installed on the fixing frame 28, the sealing assembly 3 includes a sealing cylinder 31 and a sealing plate 32, the sealing cylinder 31 is fixed on the top wall of the fixing frame 28, the sealing cylinder 31 is disposed toward the object placing plate 23, and a piston rod of the sealing cylinder 31 penetrates through the fixing frame 28 and is fixedly connected with the sealing plate 32.
Referring to fig. 5, an expansion link 33 is fixed on the bottom wall of the sealing plate 32, a pressing plate 34 is fixed at the bottom end of the expansion link 33, a sealing groove 35 is formed at the top of the pressing plate 34, a sealing ring 36 is sleeved in the sealing groove 35, and the sealing ring 36 is specifically an elastic rubber member. Referring to fig. 3, after the irregular workpiece is placed on the object placing plate 23, the moving cylinder 22 drives the irregular workpiece on the object placing plate 23 to move to a position below the sealing cylinder 31, so that the testing part 12 is located right below the sealing plate 32. Sealed cylinder 31 drives closing plate 32 and descends, make and press closing plate 34 and bead 16 contact, bead 16 exerts ascending pressure to pressing closing plate 34, under closing plate 32 and pressing closing plate 34's combined action, extrude sealing ring 36, sealing ring 36 is squashed, it is inseparabler to be connected between sealing ring 36 and the inner wall of special-shaped workpiece, thereby can strengthen the sealed effect to the special-shaped workpiece top, avoid the interior gas leakage of cavity 14 as far as possible, help guaranteeing test result's accuracy.
Referring to fig. 3, five groups of clamping assemblies 4 for clamping the special-shaped workpiece are arranged on the workbench 2, each clamping assembly 4 comprises a clamping cylinder 41 and a clamping rod 42, the clamping cylinder 41 is fixed on the workbench 2, and the clamping rods 42 are hinged on piston rods of the clamping cylinders 41. The clamping cylinder 41 is hinged with a connecting rod 43, and the connecting rod 43 is hinged with the clamping rod 42. A rubber block 44 is fixed at one end of the clamping rod 42 far away from the clamping cylinder 41, and the rubber block 44 is used for plugging the screw hole 13. The piston rod of the clamping cylinder 41 extends out, the clamping cylinder 41 drives one end of the clamping rod 42 to move upwards, and under the limiting effect of the connecting rod 43, one end of the connecting rod 43, which is far away from the clamping cylinder 41, moves downwards, so that the clamping effect on the special-shaped workpiece is achieved. The article placing plate 23 is provided with a through hole 49, the article placing plate 23 is provided with a group of positioning assemblies 45, each positioning assembly 45 comprises a positioning cylinder 46 and a positioning rod 47, and the positioning assemblies 45 are identical to the clamping assemblies 4 in structure. The positioning cylinder 46 is fixed on the bottom wall of the object placing plate 23, a piston rod of the positioning cylinder 46 penetrates through the through hole 49 to be hinged with the positioning rod 47, the positioning cylinder 46 is hinged with a positioning plate 48, and the positioning plate 48 is hinged with the positioning rod 47. The positioning cylinder 46 drives the positioning rod 47 to rotate, so that the special-shaped workpiece is clamped, and a better clamping effect is facilitated.
The implementation principle of the embodiment of the application is as follows: the piston rod of the moving cylinder 22 extends out to push the object placing plate 23 to move towards one side away from the fixed frame 28, the special-shaped workpiece is sleeved on the inner core 25, and the moving cylinder 22 drives the object placing plate 23 to move to the bottom of the sealing assembly 3. The piston rod of the clamping cylinder 41 extends out to drive one end of the clamping rod 42 to move upwards, and the other end of the clamping rod 42 moves downwards under the limiting effect of the connecting rod 43 to clamp the bottom of the special-shaped workpiece. The sealing cylinder 31 pushes the sealing plate 32 to press down, and the special-shaped workpiece is sealed. Gas is injected into the cavity 14 through the gas inlet and the gas outlet 27 at a certain pressure, and after a certain period of time, it is detected whether the gas pressure changes.
The embodiment of the application also discloses a stable gas measurement method, which is applied to the stable gas measurement device and comprises the following steps:
s1, detecting the flatness of the bottom wall of the special-shaped workpiece, placing the detected special-shaped workpiece on an object placing plate 23, and driving the object placing plate 23 to move below a sealing assembly 3 by a moving cylinder 22;
s2, clamping and positioning the special-shaped workpiece by the positioning component 45 and the clamping component 4;
s3, pushing the pressing plate 34 into the cavity 14 by the sealing cylinder 31, and sealing the top of the special-shaped workpiece by the sealing ring 36;
s4, introducing gas with certain pressure into the gas inlet, and enabling the gas to enter the cavity 14 from the gas outlet 27;
and S5, detecting whether the gas pressure in the special-shaped workpiece changes or not after a period of time.
Example 2:
referring to fig. 6, the present embodiment is different from embodiment 1 in that a positioning cylinder 46 is rotatably connected to the bottom wall of the placement plate 23 through a bearing. The bottom of the workbench 2 is fixed with a rack 50, the workbench 2 is provided with two groups of rotating assemblies 5, and the two groups of rotating assemblies 5 are respectively arranged on two sides of the sliding rail 21 in the length direction. The rotating assembly 5 comprises three rotating gears 51 and a rack 52, the rotating gears 51 are rotatably connected to the workbench 2, a positioning cylinder 46 is fixed on the top wall of one of the rotating gears 51, and a clamping cylinder 41 is fixed on the top walls of the other two rotating gears 51 respectively. A push-pull cylinder 55 is fixed on the frame 50, and the rack 52 is fixed on a piston rod of the push-pull cylinder 55. The rack 52 includes a first connecting portion 53 and a second connecting portion 54, the first connecting portion 53 and the second connecting portion 54 are disposed opposite to each other, the first connecting portion 53 is engaged with two of the rotating gears 51, and the second connecting portion 54 is engaged with one of the rotating gears 51. The piston rod of the push-pull air cylinder 55 stretches, the rack 52 is driven to move, the rack 52 drives the three gears to rotate, the clamping air cylinder 41 and the positioning air cylinder 46 are driven to rotate, the clamping rod 42 and the positioning rod 47 are driven to rotate, the special-shaped workpiece is abducted, the special-shaped workpiece is convenient to place on the object placing plate 23, and operation is convenient.
The implementation principle of the embodiment of the application is as follows: the piston rod of the push-pull cylinder 55 extends out to drive the rack 52 to move, and the rack 52 drives the rotating gear 51 to rotate, so as to drive the positioning cylinder 46 and the clamping cylinder 41 to rotate, and further drive the positioning rod 47 and the clamping rod 42 to deflect and yield. The piston rod of the moving cylinder 22 extends out to push the object placing plate 23 to move towards one side away from the fixed frame 28, the special-shaped workpiece is sleeved on the inner core 25, and the moving cylinder 22 drives the object placing plate 23 to move to the bottom of the sealing assembly 3. The piston rod of the push-pull air cylinder 55 retracts, and the rack 52 drives the rotating gear 51 to rotate reversely, so that the clamping rod 42 and the positioning rod 47 are aligned to the screw hole 13 of the special-shaped workpiece. The piston rod of the clamping cylinder 41 extends out to drive one end of the clamping rod 42 to move upwards, and the other end of the clamping rod 42 moves downwards under the limiting effect of the connecting rod 43 to clamp the bottom of the special-shaped workpiece. The sealing cylinder 31 pushes the sealing plate 32 to press down, and the special-shaped workpiece is sealed. Gas is injected into the cavity 14 through the gas inlet and the gas outlet 27 at a certain pressure, and after a certain period of time, whether the gas pressure changes is detected.
Example 3:
referring to fig. 7 and 8, the embodiment of the present application is different from embodiments 1 and 2 in that a lifting cylinder 6 is fixed to a table 2, and the lifting cylinder 6 is disposed toward an object placing plate 23. Be fixed with lifter plate 61 on the piston rod of lift cylinder 6, still be equipped with telescopic bracing piece 62 on workstation 2, bracing piece 62 one end is fixed on the roof of workstation 2, and the other end is fixed on the diapire of lifter plate 61, and bracing piece 62 is used for supporting lifter plate 61, makes lifter plate 61's removal more stable. Be fixed with push cylinder 63 on the diapire of lifter plate 61, be fixed with lifting sleeve 64 on the roof of lifter plate 61, centre gripping subassembly 4 sets up in lifting sleeve 64, and centre gripping subassembly 4 includes two rotor plates 65 and connecting plate 66, and rotor plate 65 is fixed on push cylinder 63's piston rod, has seted up the mounting groove on the rotor plate 65, and connecting plate 66 articulates in the mounting groove. A balancing weight 67 is fixed at one end of the rotating plate 65 far away from the connecting plate 66, and a rubber pad 68 is fixed on the balancing weight 67.
Referring to fig. 7 and 8, the lifting cylinder 6 drives the lifting plate 61 to rise, so that the lifting sleeve 64 penetrates through the screw hole 13, the pushing cylinder 63 drives the connecting plate 66 to rise, the connecting plate 66 is pushed out of the lifting sleeve 64, the rotating plate 65 deflects to be in a horizontal state under the action of the gravity of the balancing weight 67, and the rotating plate 65 is in contact with the special-shaped workpiece. The piston rod of the pushing cylinder 63 contracts to apply downward pressure to the connecting plate 66, so that the rotating plate 65 compresses the special-shaped workpiece, the special-shaped workpiece is convenient to fix, and a better sealing effect is facilitated.
The implementation principle of the embodiment of the application is as follows: the piston rod of the moving cylinder 22 extends out to push the object placing plate 23 to move towards one side far away from the fixed frame 28, the special-shaped workpiece is sleeved on the inner core 25, and the moving cylinder 22 drives the object placing plate 23 to move to the bottom of the sealing assembly 3. The lifting cylinder 6 pushes the lifting plate 61 and the lifting sleeve 64 to ascend, so that the lifting sleeve 64 penetrates through the screw hole 13. The pushing cylinder 63 pushes the connecting plate 66 to rise, the connecting plate 66 is pushed out of the lifting sleeve 64, the rotating plate 65 deflects to be in a horizontal state under the action of the gravity of the balancing weight 67, and the rotating plate 65 is in contact with the special-shaped workpiece. The piston rod of the pushing cylinder 63 contracts to apply downward pressure on the connecting plate 66, so that the rotating plate 65 compresses the special-shaped workpiece, the special-shaped workpiece is conveniently fixed, and a better sealing effect is facilitated.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A stable gas measurement device, characterized in that: including workstation (2), be equipped with on workstation (2) and put thing board (23), be equipped with inner core (25) on putting thing board (23), set up gas inlet and gas outlet (27) that are linked together on inner core (25), be equipped with sealing washer (24) on putting thing board (23), be equipped with mount (28) on workstation (2), be equipped with seal assembly (3) on mount (28).
2. The stabilized gas-logging device of claim 1, wherein: seal assembly (3) are including sealed cylinder (31) and closing plate (32), sealed cylinder (31) set up on the roof of mount (28), sealed cylinder (31) orientation put thing board (23) and set up, closing plate (32) set up on the piston rod of sealed cylinder (31), be equipped with telescopic link (33) on the diapire of closing plate (32), the bottom of telescopic link (33) is equipped with presses down board (34), seal groove (35) have been seted up on pressing down board (34), the cover is equipped with sealing washer (24) on seal groove (35), sealing washer (24) set up between closing plate (32) and pressing down board (34).
3. The stabilized gas-logging device of claim 1, wherein: and a clamping component (4) is arranged on the workbench (2).
4. The stabilized gas-logging device of claim 3, wherein: centre gripping subassembly (4) include centre gripping cylinder (41) and set up supporting rod (42) on the piston rod of centre gripping cylinder (41), supporting rod (42) with centre gripping cylinder (41) rotate to be connected, it is connected with connecting rod (43) to rotate on centre gripping cylinder (41), connecting rod (43) rotate with supporting rod (42) and are connected.
5. A stabilized gas-logging device according to claim 3, characterized in that: be equipped with lift cylinder (6) on workstation (2), be equipped with lifter plate (61) on the piston rod of lift cylinder (6), be equipped with lift cover (64) on the roof of lifter plate (61), centre gripping subassembly (4) are including rotor plate (65) and connecting plate (66) that set up in lift cover (64), be equipped with on the diapire of lifter plate (61) and promote cylinder (63), the piston rod that promotes cylinder (63) passes lifter plate (61) and links to each other with connecting plate (66), the mounting groove has been seted up on connecting plate (66), rotor plate (65) rotate to be connected in the mounting groove.
6. The stabilized gas-logging device of claim 5, wherein: the telescopic support rod (62) is arranged on the workbench (2), and the support rod (62) is connected with the lifting plate (61).
7. The stabilized gas-logging device of claim 5, wherein: one end of the rotating plate (65), which is far away from the connecting plate (66), is provided with a balancing weight (67), and the balancing weight (67) is provided with a pressing elastic part which is used for contacting with a special-shaped workpiece.
8. The stabilized gas-logging device of claim 1, wherein: and a rotating assembly (5) is arranged on the workbench (2).
9. The stabilized gas-logging device of claim 8, wherein: the rotating assembly (5) comprises a rotating gear (51) and a rack (52), the rotating gear (51) is arranged at the bottom of the clamping cylinder (41), a rack (50) is arranged at the bottom of the workbench (2), a push-pull cylinder (55) is arranged on the rack (50), the rack (52) is installed on a piston rod of the push-pull cylinder (55), and the rack (52) is meshed with the rotating gear (51).
10. A stable gas logging method, characterized by: a stabilized gas measuring device for use in accordance with any one of claims 1 to 9, comprising the steps of:
s1, detecting the flatness of the bottom wall of the special-shaped workpiece;
s2, pressing and positioning the detected special-shaped workpiece;
s3, sealing the top of the special-shaped workpiece;
s4, introducing gas into the gas inlet;
and S5, detecting whether the air pressure in the special-shaped workpiece changes after a period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210860104.4A CN115219115A (en) | 2022-07-21 | 2022-07-21 | Stable gas measurement device and gas measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210860104.4A CN115219115A (en) | 2022-07-21 | 2022-07-21 | Stable gas measurement device and gas measurement method |
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| CN115219115A true CN115219115A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210860104.4A Pending CN115219115A (en) | 2022-07-21 | 2022-07-21 | Stable gas measurement device and gas measurement method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664478A (en) * | 2024-01-31 | 2024-03-08 | 张家港海锐达模压装备有限公司 | Dysmorphism head leakproofness detection device |
-
2022
- 2022-07-21 CN CN202210860104.4A patent/CN115219115A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664478A (en) * | 2024-01-31 | 2024-03-08 | 张家港海锐达模压装备有限公司 | Dysmorphism head leakproofness detection device |
| CN117664478B (en) * | 2024-01-31 | 2024-04-09 | 张家港海锐达模压装备有限公司 | Dysmorphism head leakproofness detection device |
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