CN113916451A - Special auxiliary clamping mechanism for pressure test of air chamber - Google Patents
Special auxiliary clamping mechanism for pressure test of air chamber Download PDFInfo
- Publication number
- CN113916451A CN113916451A CN202111275441.9A CN202111275441A CN113916451A CN 113916451 A CN113916451 A CN 113916451A CN 202111275441 A CN202111275441 A CN 202111275441A CN 113916451 A CN113916451 A CN 113916451A
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- sliding
- slide
- air chamber
- clamping mechanism
- seat
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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
- G01M3/025—Details with respect to the testing of engines or engine parts
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of air chamber pressure test equipment, in particular to a special auxiliary clamping mechanism for air chamber pressure test. The special auxiliary clamping mechanism for pressure test of the air chambers can test pressure of air chambers with different specifications, increases the practicability, improves the working efficiency of users and brings better use prospect.
Description
Technical Field
The invention relates to the field of air chamber pressure test equipment, in particular to a special auxiliary clamping mechanism for air chamber pressure test.
Background
At present, the known intercooler for the automobile engine is composed of an air chamber, a cooling pipe, a heat dissipation belt, a main sheet, a turbulence sheet, a side plate and other parts, wherein the air chamber is cast by an aluminum material, the main sheet, the side plate and the like are all formed by punching an aluminum plate, and the cooling pipe, the heat dissipation belt and the turbulence sheet are manufactured by special equipment. Outside the degasser, other parts assemble into the core part according to the regulation order, adopt nitrogen protection brazing process welding, become the firm core part of hookup between the part, main leaf part above the core welds together by argon arc welding with the air chamber again, become the automobile engine intercooler, the intercooler air chamber is after processing is accomplished, need carry out the gas tightness and detect, when carrying out the gas tightness and detect, need fix the air chamber on the base, because the air chamber bottom is ventilative, consequently, need compress tightly the air chamber, prevent that the air chamber bottom from sealing not well and causing the pressure testing failure.
Chinese patent discloses an air chamber pressure testing anchor clamps (grant No. CN206038233U), and this patent technique can carry out convenient centre gripping with the work piece that awaits measuring, simple structure, and the practicality is strong, but, the noise that the device reduced when using is comprehensive inadequately, but the clamping device of air chamber pressure testing needs the manual work to adjust the centre gripping when using more to lead to comparatively wasting time and energy in the course of working, influence user of service's work efficiency, thereby comparatively inconvenient. Therefore, the technical personnel in the field provide a special auxiliary clamping mechanism for testing the pressure of the air chamber, so as to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a special auxiliary clamping mechanism for pressure test of an air chamber, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a special auxiliary clamping mechanism for pressure test of an air chamber comprises a fixed seat, wherein a transmission frame is fixedly arranged in the middle of the top of the fixed seat, a sliding seat is connected to the front side of the transmission frame in a sliding manner, a clamping mechanism is fixedly arranged on the front side of the sliding seat, a fixed frame is fixedly arranged on one side of the upper end of the transmission frame, and a sealing frame is fixedly arranged at one end of the fixed frame;
fixture is including installing in the grip slipper of sliding seat front side, the front side of grip slipper is located one end position department and is provided with first slide, the front side of grip slipper is located another end position department and is provided with the second slide, first slide and the outside equal fixed mounting of second slide have the arm lock, one side fixed mounting that the top of grip slipper is close to first slide has the catch bar, and the loose axle one end of catch bar and the top fixed connection of first slide.
As a further scheme of the invention: the utility model discloses a clamping device, including first slide, second slide, clamping holder, sliding sleeve, first slide and second slide, the equal fixed mounting in position department of the outside of clamping holder corresponding first slide and second slide has two slide bars, the equal fixed mounting in position department of the rear side of first slide and second slide corresponds the sliding sleeve, and first slide and second slide all pass through sliding sleeve and slide bar sliding connection.
As a still further scheme of the invention: the clamping device is characterized in that a transmission gear is rotatably connected to the middle of the outer portion of the clamping seat, transmission racks are meshed with the upper side and the lower side of the transmission gear respectively, the transmission racks are fixedly mounted on the outer portions of the first sliding seat and the second sliding seat respectively, and the transmission racks and the sliding rod are arranged in parallel.
As a still further scheme of the invention: the outside of the clamping seat is fixedly provided with a protection disc corresponding to one side of the transmission gear, the protection disc is circular in structure, the diameter of the protection disc is larger than that of the transmission gear, and at least two anti-skidding blocks are fixedly arranged outside the clamping arms.
As a still further scheme of the invention: one side that the outside of driving frame corresponds the sliding seat is provided with the connection slide, and connects slide fixed mounting and locate in the middle of the bottom of sliding seat, department fixed mounting has servo motor in the middle of the outer end of driving frame.
As a still further scheme of the invention: the servo motor is characterized in that a lead screw is fixedly mounted at one end of an output shaft of the servo motor, the lead screw and the transmission frame are arranged in parallel, a ball nut is fixedly mounted at one side, corresponding to the lead screw, of the bottom of the connecting sliding plate, and the lead screw and the ball nut are connected in an engaged mode.
As a still further scheme of the invention: the outside of driving frame is close to two connection slide rails of one side fixed mounting of lead screw, and connects and parallel arrangement each other between slide rail and the lead screw, the equal fixed mounting in one side of connecting the slide rail of the bottom correspondence of connecting the slide rail has the connection sliding sleeve, and connects the slide through connecting the sliding sleeve with be connected slide rail sliding connection.
As a still further scheme of the invention: the sealing device is characterized in that a hydraulic rod is fixedly mounted in the middle of the top of the sealing frame, an output shaft of the hydraulic rod penetrates through the middle of the inside of the sealing frame, one end of the output shaft of the hydraulic rod is connected with a first plug, a connecting rod is fixedly mounted in the middle of the bottom of the first plug, the bottom of the connecting rod is connected with a second plug, and the center points of the first plug and the second plug are located at the same position.
As a still further scheme of the invention: the top both sides of first end cap all fixed mounting have spacing slide bar, spacing slide opening has all been seted up to the position department that the inside of seal frame corresponds spacing slide bar, first end cap passes through spacing slide bar and spacing slide opening sliding connection.
As a still further scheme of the invention: the top of second end cap corresponds one side fixed mounting of connecting rod has the dead lever, the top fixed mounting of dead lever has the thread connection cover, the inside of connecting rod corresponds one side sculpture of thread connection cover has the thread connection groove, and intermeshing is connected between thread connection cover and the thread connection groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the workpiece is placed between the first sliding seat and the second sliding seat, the first sliding seat is driven to horizontally slide through the pushing rod, the sliding sleeve is matched with the sliding rod to drive the first sliding seat to slide more stably, the first sliding seat and the second sliding seat are driven to slide oppositely through the matching of the transmission rack and the transmission gear, the workpiece is clamped by utilizing the clamping arm, the clamping stability is improved through the anti-skidding block, the lead screw is driven to rotate through the servo motor, the sliding seat is driven to slide through the matching of the lead screw and the ball nut, the sliding seat is driven to slide, the sliding rail is connected with the sliding sleeve in a matched mode, the sliding plate is driven to slide stably, the vertical height of the sliding seat can be driven to be adjusted, the test is adjusted according to workpieces of different specifications, the test accuracy of the pressure test air chamber is improved, convenience is brought to use of users, and the sliding plate is better compared with the traditional mode.
2. In order to test according to the work piece of equidimension not, promote first end cap through the hydraulic stem and push down, cooperation through spacing slide bar and spacing slide opening, drive the more stable lift of first end cap, the diameter of first end cap is reduced by last to down in proper order, then can carry out the shutoff to the air chamber of different specifications, then convenience when can improving the test, carry out the shutoff to littleer air chamber when needs, then can insert the connecting rod through the adapter sleeve with dead lever department and set up in the threaded connection groove inside, then can be connected first end cap and second end cap, the diameter of the first end cap of diameter ratio of second end cap is little, and the structure is the same, then can test littleer air chamber, the practicality of effectual improvement the device, it uses to be convenient for the user, better for traditional mode.
Drawings
FIG. 1 is a schematic structural view of a special auxiliary clamping mechanism for testing pressure in an air chamber;
FIG. 2 is a schematic structural diagram of a clamping mechanism in a special auxiliary clamping mechanism for pressure test of an air chamber;
FIG. 3 is a schematic structural view of a transmission frame in a special auxiliary clamping mechanism for pressure test of an air chamber;
FIG. 4 is a schematic structural diagram of a seal holder in a special auxiliary clamping mechanism for testing pressure in an air chamber;
fig. 5 is a schematic structural diagram of a first plug and a second plug in a special auxiliary clamping mechanism for pressure test of an air chamber.
In the figure: 1. a fixed seat; 2. a transmission frame; 3. a sliding seat; 4. a clamping mechanism; 5. a fixed mount; 6. a seal holder; 101. a clamping seat; 102. a first slider; 103. a second slide carriage; 104. clamping arms; 105. a push rod; 7. a slide bar; 8. a sliding sleeve; 9. a transmission gear; 10. a drive rack; 11. a protection disk; 12. anti-skid blocks; 13. connecting a sliding plate; 14. a servo motor; 15. a lead screw; 16. a ball nut; 17. connecting a slide rail; 18. connecting a sliding sleeve; 19. a hydraulic lever; 20. a first plug; 21. a connecting rod; 22. a second plug; 23. a limiting slide bar; 24. a limiting slide hole; 25. fixing the rod; 26. a threaded connecting sleeve; 27. and (4) connecting the grooves by screw threads.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a special auxiliary clamping mechanism for pressure testing of an air chamber includes a fixed seat 1, a transmission frame 2 is fixedly installed in the middle of the top of the fixed seat 1, a sliding seat 3 is slidably connected to the front side of the transmission frame 2, a clamping mechanism 4 is fixedly installed on the front side of the sliding seat 3, a fixed frame 5 is fixedly installed on one side of the upper end of the transmission frame 2, and a sealing frame 6 is fixedly installed on one end of the fixed frame 5;
the clamping mechanism 4 comprises a clamping seat 101 installed on the front side of the sliding seat 3, a first sliding seat 102 is arranged at one end of the front side of the clamping seat 101, a second sliding seat 103 is arranged at the other end of the front side of the clamping seat 101, clamping arms 104 are fixedly installed outside the first sliding seat 102 and the second sliding seat 103, a push rod 105 is fixedly installed on one side, close to the first sliding seat 102, of the top of the clamping seat 101, and one end of a movable shaft of the push rod 105 is fixedly connected with the top end of the first sliding seat 102.
In fig. 2: the position department that the outside of grip slipper 101 corresponds first slide 102 and second slide 103 all fixedly mounted with two slide bars 7, the rear side of first slide 102 and second slide 103 corresponds the equal fixedly mounted in slide bar 7 position department with slip cap 8, and first slide 102 and second slide 103 all through slip cap 8 and slide bar 7 sliding connection, drive arm lock 104 through first slide 102 and second slide 103 and carry out the centre gripping.
In fig. 2: department rotates in the middle of the outside of grip slipper 101 and is connected with drive gear 9, the upper and lower both sides of drive gear 9 all mesh and be connected with drive rack 10, drive rack 10 is fixed mounting respectively in the outside of first slide 102 and second slide 103, parallel arrangement each other between drive rack 10 and the slide bar 7, through the cooperation of drive rack 10 and drive gear 9, then can drive first slide 102 and second slide 103 and carry out the opposite direction slip, then can carry out the centre gripping with the work piece through arm lock 104.
In fig. 2: the outside of grip slipper 101 corresponds one side fixed mounting of drive gear 9 and has protection dish 11, and the structure of protection dish 11 is circular, and the diameter ratio of protection dish 11 is big than drive gear 9's diameter, and the outside of arm lock 104 all fixed mounting has two at least non slipping spur 12, improves the stability of centre gripping through non slipping spur 12.
In fig. 1 and 3: one side that the outside of driving frame 2 corresponds sliding seat 3 is provided with connects slide 13, and connect slide 13 fixed mounting department in the middle of the bottom of sliding seat 3, department fixed mounting has servo motor 14 in the middle of the outer end of driving frame 2, drive lead screw 15 through servo motor 14 and rotate, through the cooperation of lead screw 15 with ball nut 16, it slides to drive sliding seat 3, through connecting slide rail 17 and the cooperation of being connected sliding sleeve 18, it slides to drive to connect slide 13, then can drive sliding seat 3 and carry out altitude mixture control from top to bottom.
In fig. 1 and 3: one end of an output shaft of the servo motor 14 is fixedly provided with a lead screw 15, the lead screw 15 and the transmission frame 2 are arranged in parallel, one side of the bottom of the connecting sliding plate 13 corresponding to the lead screw 15 is fixedly provided with a ball nut 16, the lead screw 15 and the ball nut 16 are connected in a meshed mode, and the sliding seat 3 is driven to slide through the matching of the lead screw 15 and the ball nut 16.
In fig. 1 and 3: two connection slide rails 17 of one side fixed mounting that the outside of driving frame 2 is close to lead screw 15, and connect mutual parallel arrangement between slide rail 17 and the lead screw 15, the equal fixed mounting in one side of connecting slide rail 17 that corresponds of the bottom of connecting slide 13 has a connection sliding sleeve 18, and connects slide 13 through connecting sliding sleeve 18 with be connected slide rail 17 sliding connection, through the cooperation of connecting slide rail 17 with be connected sliding sleeve 18, drives and connects slide 13 and carry out the steady slip.
In fig. 1 and 4: department fixed mounting has hydraulic stem 19 in the middle of the top of seal carrier 6, and department in the middle of the inside of hydraulic stem 19 runs through seal carrier 6, hydraulic stem 19's output shaft one end is connected with first end cap 20, department fixed mounting has connecting rod 21 in the middle of the bottom of first end cap 20, the bottom of connecting rod 21 is connected with second end cap 22, and the centre of a circle point of first end cap 20 and second end cap 22 is in same department, promote first end cap 20 through hydraulic stem 19 and push down, the diameter of first end cap 20 is by last to reducing in proper order down, then can carry out the shutoff to the air chamber of different specifications.
In fig. 1 and 4: the top both sides of first end cap 20 all fixed mounting have spacing slide bar 23, and spacing slide opening 24 has all been seted up to the position department that the inside of seal carrier 6 corresponds spacing slide bar 23, and first end cap 20 passes through spacing slide bar 23 and spacing slide opening 24 sliding connection, through spacing slide bar 23 and spacing slide opening 24's cooperation, drives the more stable lift of first end cap 20.
In FIGS. 4-5: the top of the second plug 22 is fixedly provided with a fixed rod 25 corresponding to one side of the connecting rod 21, the top of the fixed rod 25 is fixedly provided with a threaded connecting sleeve 26, one side of the inside of the connecting rod 21 corresponding to the threaded connecting sleeve 26 is etched with a threaded connecting groove 27, the threaded connecting sleeve 26 and the threaded connecting groove 27 are connected in an engaged mode, the threaded connecting sleeve 26 at the fixed rod 25 is inserted into the threaded connecting groove 27 formed in the inside of the connecting rod 21, and then the first plug 20 and the second plug 22 can be connected.
The working principle of the invention is as follows: the transmission frame 2 is supported and fixed through the fixed seat 1, a workpiece is placed between the first slide seat 102 and the second slide seat 103, the first slide seat 102 is pushed through the push rod 105, so that the first slide seat 102 can be driven to horizontally slide, the first slide seat 102 is driven to slide more stably through the matching of the sliding sleeve 8 and the sliding rod 7, the first slide seat 102 and the second slide seat 103 can be driven to slide oppositely through the matching of the transmission rack 10 and the transmission gear 9, the workpiece can be clamped through the clamping arm 104, the clamping stability is improved through the anti-skid block 12, the lead screw 15 is driven to rotate through the servo motor 14, the slide seat 3 is driven to slide through the matching of the lead screw 15 and the ball nut 16, the connecting slide rail 17 and the connecting sliding sleeve 18 are matched to drive the connecting slide plate 13 to stably slide, and the slide seat 3 can be driven to perform vertical height adjustment, the height adjustment of the clamped workpiece can be realized, the adjustment test can be carried out according to workpieces of different specifications, the test accuracy of the pressure test of the air chamber is improved, in order to carry out the test according to workpieces of different sizes, the first plug 20 can be pushed to press downwards through the hydraulic rod 19, the first plug 20 is driven to lift more stably through the matching of the limiting sliding rod 23 and the limiting sliding hole 24, the diameter of the first plug 20 is reduced from top to bottom in sequence, the air chambers of different specifications can be plugged, the convenience in the test can be improved, when smaller air chambers need to be plugged, the threaded connecting sleeve 26 at the fixed rod 25 can be inserted into the threaded connecting groove 27 formed in the connecting rod 21, the first plug 20 can be connected with the second plug 22, the diameter of the second plug 22 is smaller than that of the first plug 20, and the structure is the same, then can test littleer air chamber, effectual improvement the device's practicality, the user of being convenient for uses comparatively practically.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A special auxiliary clamping mechanism for pressure test of an air chamber comprises a fixed seat (1) and is characterized in that a transmission frame (2) is fixedly mounted in the middle of the top of the fixed seat (1), a sliding seat (3) is connected to the front side of the transmission frame (2) in a sliding mode, a clamping mechanism (4) is fixedly mounted on the front side of the sliding seat (3), a fixed frame (5) is fixedly mounted on one side of the upper end of the transmission frame (2), and a sealing frame (6) is fixedly mounted at one end of the fixed frame (5);
fixture (4) are including installing in grip slipper (101) of sliding seat (3) front side, the front side of grip slipper (101) is located one end position department and is provided with first slide (102), the front side of grip slipper (101) is located another end position department and is provided with second slide (103), first slide (102) and second slide (103) outside equal fixed mounting have arm lock (104), one side fixed mounting that the top of grip slipper (101) is close to first slide (102) has catch bar (105), and the loose axle one end of catch bar (105) and the top fixed connection of first slide (102).
2. The special auxiliary clamping mechanism for pressure test of the air chamber is characterized in that two sliding rods (7) are fixedly mounted at positions, corresponding to the first sliding seat (102) and the second sliding seat (103), outside the clamping seat (101), sliding sleeves (8) are fixedly mounted at positions, corresponding to the sliding rods (7), of the rear sides of the first sliding seat (102) and the second sliding seat (103), and the first sliding seat (102) and the second sliding seat (103) are both in sliding connection with the sliding rods (7) through the sliding sleeves (8).
3. The special auxiliary clamping mechanism for pressure test of the air chamber is characterized in that a transmission gear (9) is rotatably connected to the middle of the outer portion of the clamping seat (101), the upper side and the lower side of the transmission gear (9) are respectively connected with a transmission rack (10) in a meshed manner, the transmission racks (10) are respectively and fixedly installed on the outer portions of the first sliding seat (102) and the second sliding seat (103), and the transmission racks (10) and the sliding rod (7) are arranged in parallel.
4. The special auxiliary clamping mechanism for pressure test of the air chamber is characterized in that a protection disc (11) is fixedly mounted on one side, corresponding to the transmission gear (9), of the outside of the clamping seat (101), the protection disc (11) is circular in structure, the diameter of the protection disc (11) is larger than that of the transmission gear (9), and at least two anti-skidding blocks (12) are fixedly mounted on the outside of each clamping arm (104).
5. The special auxiliary clamping mechanism for pressure test of the air chamber is characterized in that a connecting sliding plate (13) is arranged on one side, corresponding to the sliding seat (3), of the outside of the transmission frame (2), the connecting sliding plate (13) is fixedly installed in the middle of the bottom of the sliding seat (3), and a servo motor (14) is fixedly installed in the middle of the outer end of the transmission frame (2).
6. The special auxiliary clamping mechanism for pressure test of the air chamber as claimed in claim 5, wherein a screw (15) is fixedly mounted at one end of an output shaft of the servo motor (14), the screw (15) and the transmission frame (2) are arranged in parallel, a ball nut (16) is fixedly mounted at one side of the bottom of the connecting sliding plate (13) corresponding to the screw (15), and the screw (15) and the ball nut (16) are meshed with each other.
7. The special auxiliary clamping mechanism for pressure test of the air chamber according to claim 6, wherein two connecting sliding rails (17) are fixedly installed on one side of the outside of the transmission frame (2) close to the screw (15), the connecting sliding rails (17) and the screw (15) are arranged in parallel, a connecting sliding sleeve (18) is fixedly installed on one side of the bottom of the connecting sliding plate (13) corresponding to the connecting sliding rails (17), and the connecting sliding plate (13) is slidably connected with the connecting sliding rails (17) through the connecting sliding sleeve (18).
8. The special auxiliary clamping mechanism for pressure test of the air chamber is characterized in that a hydraulic rod (19) is fixedly mounted in the middle of the top of the sealing frame (6), an output shaft of the hydraulic rod (19) penetrates through the middle of the inside of the sealing frame (6), one end of the output shaft of the hydraulic rod (19) is connected with a first plug (20), a connecting rod (21) is fixedly mounted in the middle of the bottom of the first plug (20), the bottom of the connecting rod (21) is connected with a second plug (22), and the center points of the first plug (20) and the second plug (22) are located at the same position.
9. The special auxiliary clamping mechanism for pressure test of the air chamber according to claim 8, wherein two sides of the top of the first plug (20) are fixedly provided with a limiting slide rod (23), the position of the inside of the sealing frame (6) corresponding to the limiting slide rod (23) is provided with a limiting slide hole (24), and the first plug (20) is slidably connected with the limiting slide hole (24) through the limiting slide rod (23).
10. The special auxiliary clamping mechanism for pressure test of the air chamber as claimed in claim 8, wherein a fixing rod (25) is fixedly mounted at one side of the top of the second plug (22) corresponding to the connecting rod (21), a threaded connecting sleeve (26) is fixedly mounted at the top of the fixing rod (25), a threaded connecting groove (27) is etched at one side of the inside of the connecting rod (21) corresponding to the threaded connecting sleeve (26), and the threaded connecting groove (27) and the threaded connecting groove (26) are connected in an engaged manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275441.9A CN113916451A (en) | 2021-10-29 | 2021-10-29 | Special auxiliary clamping mechanism for pressure test of air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275441.9A CN113916451A (en) | 2021-10-29 | 2021-10-29 | Special auxiliary clamping mechanism for pressure test of air chamber |
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| Publication Number | Publication Date |
|---|---|
| CN113916451A true CN113916451A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111275441.9A Pending CN113916451A (en) | 2021-10-29 | 2021-10-29 | Special auxiliary clamping mechanism for pressure test of air chamber |
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| CN (1) | CN113916451A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342974A (en) * | 2022-10-18 | 2022-11-15 | 镇江丰成特种工具有限公司 | Diamond grinding wheel dynamic balance detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211263018U (en) * | 2019-12-26 | 2020-08-14 | 重庆恒祥石油液化气钢瓶制造有限公司 | Hydraulic pressure testing equipment for liquefied gas steel cylinder |
| CN212180187U (en) * | 2020-06-29 | 2020-12-18 | 大连智炬科技发展有限公司 | Airtight tightness detection device for airtight valve |
| CN212956909U (en) * | 2020-05-26 | 2021-04-13 | 蔡敏 | Temporary plugging member for water conservancy equipment drain pipe orifice |
-
2021
- 2021-10-29 CN CN202111275441.9A patent/CN113916451A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211263018U (en) * | 2019-12-26 | 2020-08-14 | 重庆恒祥石油液化气钢瓶制造有限公司 | Hydraulic pressure testing equipment for liquefied gas steel cylinder |
| CN212956909U (en) * | 2020-05-26 | 2021-04-13 | 蔡敏 | Temporary plugging member for water conservancy equipment drain pipe orifice |
| CN212180187U (en) * | 2020-06-29 | 2020-12-18 | 大连智炬科技发展有限公司 | Airtight tightness detection device for airtight valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342974A (en) * | 2022-10-18 | 2022-11-15 | 镇江丰成特种工具有限公司 | Diamond grinding wheel dynamic balance detection device |
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