CN116818546B - Hydraulic pressure testing machine for magnetic pump shell - Google Patents
Hydraulic pressure testing machine for magnetic pump shell Download PDFInfo
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- CN116818546B CN116818546B CN202311104830.4A CN202311104830A CN116818546B CN 116818546 B CN116818546 B CN 116818546B CN 202311104830 A CN202311104830 A CN 202311104830A CN 116818546 B CN116818546 B CN 116818546B
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 238000003825 pressing Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 23
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a hydraulic pressure testing machine for a pump shell of a magnetic pump, which comprises the following components: the device comprises a test rack, a sealing pressing seat, a toggle driving assembly and a test pump body, wherein a driving seat and a test seat are fixedly arranged on the surface of the test rack, a plurality of sliding guide rods for guiding the movement of the sealing pressing seat are fixedly arranged on the inner sides of the driving seat and the test seat, a pressure plate sealing gasket is fixedly arranged on the inner sides of the sealing pressing seat and the test seat, and a water pressure gauge and a gas pressure gauge for monitoring test pressure are arranged on the surface of the pressure plate sealing gasket. According to the invention, the novel tool testing assembly is arranged, the sealing pressing seat is utilized to directly clamp the magnetic pump shell to be tested under the driving of the main driving cylinder and the toggle driving assembly, the pressing sealing of the flange connection surface of the magnetic pump shell is realized, the internal punching and negative pressure test of the magnetic pump shell are carried out, the tool efficiency of the magnetic pump shell is obviously improved, and the testing efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of water pressure testing, in particular to a magnetic pump shell water pressure testing machine.
Background
The magnetic pump consists of a pump, a magnetic driver and a motor. The key component magnetic driver consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic isolating sleeve. When the motor drives the outer magnetic rotor to rotate, the magnetic field can penetrate through the air gap and the non-magnetic substance to drive the inner magnetic rotor connected with the impeller to synchronously rotate, so that the non-contact transmission of power is realized, and the dynamic seal is converted into the static seal. Because the pump shaft and the inner magnetic rotor are completely sealed by the pump body and the isolation sleeve, the problem of sealing performance of the pump body is thoroughly solved, the isolation sleeve still needs to be subjected to pressure resistance test, the pressure resistance of the isolation sleeve is tested, and the situation that the rotation of the inner magnet is blocked or expansion and expansion fracture are generated due to the flat collapse deformation of the isolation sleeve caused by the action of water pressure in use is avoided.
The existing pump shell water pressure test mainly comprises the steps that a plugging flange is installed on the surface of a pump body through threads, water is introduced into the pump body through a water injection pipe orifice on the surface of the flange to generate expansion pressure or negative pressure is generated in the pump body in a suction mode, so that the pressure resistance test of the pump shell is realized, the flange plugging structure is in dark rotation and complicated, an operator is required to perform manual operation, therefore, only small batch sampling monitoring can be performed in pump test and inspection, the working efficiency is low, the production shell cannot be completely inspected, in addition, the connection sealing performance of the pump shell and the plugging flange and the connection sealing performance of the vacuum pump of the plugging flange and the high-pressure water pump are required to be considered after the high-pressure water pump is connected, the test tool is high in difficulty, and time and labor are wasted.
In view of the above, the present invention provides a hydraulic pressure tester for a pump casing of a magnetic pump, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: a magnetic pump casing water pressure testing machine, comprising: the device comprises a test rack, a sealing pressing seat, a toggle driving assembly and a test pump body, wherein a driving seat and a test seat are fixedly arranged on the surface of the test rack, a plurality of sliding guide rods for guiding the movement of the sealing pressing seat are fixedly arranged on the inner sides of the driving seat and the test seat, a pressure plate sealing gasket is fixedly arranged on the inner sides of the sealing pressing seat and the test seat, and a water pressure gauge and a gas pressure gauge for monitoring test pressure are arranged on the surface of the pressure plate sealing gasket;
the toggle driving assembly comprises a linkage block, a first force arm and a second force arm which are movably connected with each other, the other ends of the first force arm and the second force arm are movably connected with the surface of the test seat and the surface of the sealing pressing seat respectively, a guide rail is arranged on the bottom surface of the driving seat, a main driving cylinder is fixedly arranged on the top surface of the test rack, the output end of the main driving cylinder is fixedly connected with the top surface of the linkage block, two sides of the linkage block are slidably sleeved on the inner side of the guide rail, two sides of the linkage block are movably connected with a linkage rod, and the other end of the linkage rod is movably connected with the surface of the first force arm.
The present invention may be further configured in a preferred example to: the driving seat, the testing seat and the sealing pressing seat are arranged on the same vertical line, linear bearings are arranged at four corners of the sealing pressing seat and are in sliding sleeve connection with the surface of the sliding guide rod, and the top surface of the main driving cylinder vertical driving seat is arranged in a line preventing mode.
The present invention may be further configured in a preferred example to: the linkage block and the first force arm are provided with an included angle which is an obtuse angle structure, and the linkage rod is arranged in the direction of the surface of the first force arm in an inclined manner and is positioned at one side of the external angle of the linkage block and the first force arm.
The present invention may be further configured in a preferred example to: the front end and the rear end of the linkage block are provided with sliding blocks matched with the guide rails, and the number of the linkage rod, the number of the first force arm and the number of the second force arm are two, and the two force arms are symmetrically distributed on the left side and the right side of the linkage block relative to the center line of the linkage block.
The present invention may be further configured in a preferred example to: the pressure disk sealing gasket is of a rubber disk structure, and the pressure disk sealing gasket at the bottom surface of the sealing pressure seat is communicated with the water pressure gauge and the air pressure gauge monitoring end.
The present invention may be further configured in a preferred example to: the surface of the pressure plate sealing gasket is provided with a connecting port which is communicated with the test pump body, and the connecting port is in threaded connection with the end part of the test pump body.
The present invention may be further configured in a preferred example to: the test pump body comprises a pump box, a main rotary table, a piston rod and a reset spring, wherein a plunger cavity which is arranged in one-to-one correspondence with the piston rod is arranged on the inner side of the pump box, a motor for driving the main rotary table to rotate is arranged at the bottom end of the pump box, a swash plate seat which is in sliding butt joint with the bottom end of the piston rod is arranged on the surface of the main rotary table, the reset spring is in interactive sleeving connection with the outer side of the piston rod and one end of the reset spring is in butt joint with the inner side of the pump box, and a toothed ring is arranged on the periphery of the main rotary table.
The present invention may be further configured in a preferred example to: the outside of pump box is equipped with inlet port and outlet port, the tip in plunger chamber is equipped with two check valves that communicate inlet port and outlet port respectively, and two check valves arrange the direction the same.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, the novel tool testing assembly is arranged, the sealing pressing seat is utilized to directly clamp the magnetic pump shell to be tested under the driving of the main driving cylinder and the toggle driving assembly, the pressing sealing of the flange connection surface of the magnetic pump shell is realized, the internal punching and negative pressure test of the magnetic pump shell are carried out, the tool efficiency of the magnetic pump shell is obviously improved, and the testing efficiency is further improved.
2. According to the invention, the toggle deflection driving is carried out by the first force arm and the second force arm under the driving of the main driving cylinder and the linkage block, the movement driving of the sealing pressing seat is carried out by the relative inclination angle of the first force arm and the second force arm, the action moment of the sealing pressing seat is increased, the sealing abutting acting force is improved, the stable locking is realized after the sealing tool, and the sealing performance is improved.
3. According to the invention, through arranging the novel test pump body structure, the reciprocating driving of the piston rod is realized under the rotating action of the motor driving main turntable to suck water or air, the dual-function is realized, the water pressure and negative pressure performance test of the pump shell is realized only by replacing the pipeline structure on the surface of the pump box, and the structure is simple, so that the problem of difficult sealing of the connecting end is solved by reducing the connecting point.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a surface structure of a test rack according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a wrist drive assembly according to one embodiment of the invention;
FIG. 4 is a schematic view of a test seat and a seal pressing seat according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a test pump according to an embodiment of the present invention;
FIG. 6 is a schematic view showing the internal structure of a pump case according to an embodiment of the present invention;
fig. 7 is a schematic view of a main turntable and a piston rod according to an embodiment of the present invention.
Reference numerals:
100. a test rack; 110. a driving seat; 120. a test seat; 130. a main driving cylinder; 140. a sliding guide rod; 111. a guide rail;
200. sealing and pressing the seat; 210. a platen seal;
300. a toggle drive assembly; 310. a linkage block; 320. a first moment arm; 330. a second moment arm; 311. a linkage rod;
400. testing the pump body; 410. a pump box; 420. a main turntable; 430. a piston rod; 440. a return spring; 411. a liquid inlet port; 412. a liquid outlet port; 413. a motor; 414. a plunger cavity; 421. a swash plate seat; 422. a toothed ring.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
The following describes a hydraulic testing machine for a pump casing of a magnetic pump according to some embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 7, the hydraulic pressure testing machine for a pump casing of a magnetic pump provided by the invention comprises: the testing machine comprises a testing machine frame 100, a sealing pressure seat 200, a toggle driving assembly 300 and a testing pump body 400, wherein a driving seat 110 and a testing seat 120 are fixedly arranged on the surface of the testing machine frame 100, a plurality of sliding guide rods 140 for guiding the movement of the sealing pressure seat 200 are fixedly arranged on the opposite inner sides of the driving seat 110 and the testing seat 120, a pressure plate sealing gasket 210 is fixedly arranged on the opposite inner sides of the sealing pressure seat 200 and the testing seat 120, and a water pressure meter and a gas pressure meter for monitoring testing pressure are arranged on the surface of the pressure plate sealing gasket 210;
the toggle driving assembly 300 comprises a linkage block 310, a first force arm 320 and a second force arm 330 which are movably connected with each other, the other ends of the first force arm 320 and the second force arm 330 are movably connected with the surface of the test seat 120 and the surface of the sealing pressure seat 200 respectively, a guide rail 111 is arranged on the bottom surface of the driving seat 110, a main driving cylinder 130 is fixedly arranged on the top surface of the test rack 100, the output end of the main driving cylinder 130 is fixedly connected with the top surface of the linkage block 310, two sides of the linkage block 310 are slidably sleeved on the inner side of the guide rail 111, two sides of the linkage block 310 are movably connected with a linkage rod 311, and the other end of the linkage rod 311 is movably connected with the surface of the first force arm 320.
In this embodiment, the driving seat 110, the test seat 120 and the sealing pressing seat 200 are located on the same vertical line, four corners of the sealing pressing seat 200 are provided with linear bearings and are slidably sleeved on the surface of the sliding guide rod 140, and the main driving cylinder 130 is arranged perpendicular to the top surface line of the driving seat 110.
In this embodiment, an included angle is formed between the linkage block 310 and the first force arm 320, and the included angle is an obtuse angle, and the linkage rod 311 is disposed in a direction inclined to the surface of the first force arm 320 and is located at one side of the outer corners of the linkage block 310 and the first force arm 320.
Further, the front and rear ends of the linkage block 310 are provided with sliding blocks adapted to the guide rail 111, and the number of the linkage rod 311, the first force arm 320 and the second force arm 330 is two, and the two groups of the linkage rod 311, the first force arm 320 and the second force arm 330 are symmetrically distributed on the left and right sides of the linkage block 310 with respect to the centerline of the linkage block 310.
Specifically, the first force arm 320 and the second force arm 330 are driven by the main driving cylinder 130 and the linkage block 310 to perform toggle deflection driving, and the movement driving of the sealing pressing seat 200 is performed by the relative inclination angle of the first force arm 320 and the second force arm 330, so that the acting moment of the sealing pressing seat 200 is increased, the sealing abutting acting force is improved, and stable locking is realized after the sealing tool is used.
In this embodiment, the pressure plate gasket 210 has a rubber disc structure, and the pressure plate gasket 210 on the bottom surface of the sealing pressure seat 200 is communicated with the water pressure gauge and the air pressure gauge monitoring end.
Specifically, the soft colloid pressure plate gasket 210 is attached to the upper and lower surfaces of the pump shell by pressure to seal the ports of the upper and lower flanges.
In this embodiment, the surface of the platen gasket 210 is provided with a connection port for communicating with the test pump body 400, and the connection port is screwed with an end of the test pump body 400.
Specifically, the quick disassembly is realized by utilizing the threaded end connection, and the joint sealing effect can be ensured.
In this embodiment, the test pump body 400 includes a pump box 410, a main rotary table 420, a piston rod 430 and a return spring 440, a plunger cavity 414 arranged in one-to-one correspondence with the piston rod 430 is provided at the inner side of the pump box 410, a motor 413 for driving the main rotary table 420 to rotate is provided at the bottom end of the pump box 410, a swash plate seat 421 slidably abutted to the bottom end of the piston rod 430 is provided on the surface of the main rotary table 420, the return spring 440 is interactively sleeved at the outer side of the piston rod 430 and one end abuts against the inner side of the pump box 410, and a toothed ring 422 is provided at the outer periphery of the main rotary table 420.
Further, the outside of the pump box 410 is provided with a liquid inlet 411 and a liquid outlet 412, the end of the plunger cavity 414 is provided with two check valves respectively connected with the liquid inlet 411 and the liquid outlet 412, and the arrangement directions of the two check valves are the same.
Specifically, the main turntable 420 rotates to enable the piston rod 430 to advance in the plunger cavity 414 through the rotation of the surface swash plate 421 and to cooperate with the return spring 440 to realize the reciprocating motion of the piston rod 430, the one-way valve structure communicated with the plunger cavity 414 is utilized to realize the introduction of water from the port of the liquid inlet port 411 and the leading-out of the water from the liquid outlet port 412 to be injected into the pump shell through the pressure plate sealing pad 210, and in the negative pressure test, the liquid inlet port 411 is replaced to be communicated with the surface communication port of the pressure plate sealing pad 210, and the piston rod 430 is driven by the motor 413 to reciprocate to suck the air pressure in the pump shell.
The working principle and the using flow of the invention are as follows:
when the test is started, a pump shell to be tested is arranged above the pressure plate sealing gasket 210 on the surface of the test seat 120, the main driving cylinder 130 drives the linkage block 310 to move downwards along the guide rail 111, the pushing movement of the linkage block 310 and the linkage rod 311 enables the first force arm 320 and the second force arm 330 to perform relative deflection movement, the supporting points of the first force arm 320 and the second force arm 330 deflect to enable the sealing pressure seat 200 to slide downwards along the sliding guide rod 140 until the pressure plate sealing gasket 210 on the bottom surface of the sealing pressure seat 200 is tightly attached above the pump shell, and the test fixture of the pump shell is completed;
in the water pressure test, a port of a liquid outlet port 412 is connected with a communication port of a pressure plate sealing gasket 210 and is connected with a liquid inlet port 411 and a water liquid pipeline, a main rotary table 420 is driven by a motor 413 to actively rotate, a piston rod 430 is pushed in a plunger cavity 414 by the rotation of a surface sloping cam plate seat 421 and is matched with a return spring 440 to realize the reciprocating motion of the piston rod 430, a one-way valve structure communicated with the plunger cavity 414 is utilized to realize the leading-in of the water liquid from the port of the liquid inlet port 411 and the leading-out of the water liquid from the liquid outlet port 412 through the pressure plate sealing gasket 210 to be injected into a pump shell, the water pressure is filled in the pump shell to stop the designated pressure, and whether the pump shell has expansion deformation and cracking is checked; in the negative pressure test, the replacement liquid inlet port 411 is communicated with the surface communication port of the pressure plate sealing gasket 210, the liquid outlet port 412 is exposed, the piston rod 430 is driven by the motor 413 to reciprocate to suck the air pressure in the pump shell, and the deformation state of the pump shell is observed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. A magnetic drive pump case water pressure testing machine, characterized by comprising: the testing machine comprises a testing machine frame (100), a sealing pressing seat (200), a toggle driving assembly (300) and a testing pump body (400), wherein a driving seat (110) and a testing seat (120) are fixedly arranged on the surface of the testing machine frame (100), a plurality of sliding guide rods (140) used for guiding the movement of the sealing pressing seat (200) are fixedly arranged on the inner sides of the driving seat (110) and the testing seat (120), a pressure disc sealing gasket (210) is fixedly arranged on the inner sides of the sealing pressing seat (200) and the testing seat (120), and a water pressure meter and a gas pressure meter used for monitoring testing pressure are arranged on the surface of the pressure disc sealing gasket (210);
the toggle driving assembly (300) comprises a linkage block (310) and a first force arm (320) and a second force arm (330) which are movably connected with each other, wherein the other ends of the first force arm (320) and the second force arm (330) are respectively and movably connected with the surface of the test seat (120) and the surface of the sealing pressing seat (200), a guide rail (111) is arranged on the bottom surface of the driving seat (110), a main driving cylinder (130) is fixedly arranged on the top surface of the test stand (100), the output end of the main driving cylinder (130) is fixedly connected with the top surface of the linkage block (310), two sides of the linkage block (310) are in sliding sleeve connection with the inner side of the guide rail (111), two sides of the linkage block (310) are movably connected with a linkage rod (311), and the other end of the linkage rod (311) is movably connected with the surface of the first force arm (320).
The driving seat (110), the testing seat (120) and the sealing pressing seat (200) are positioned on the same vertical line, linear bearings are arranged at four corners of the sealing pressing seat (200) and are in sliding sleeve connection with the surface of the sliding guide rod (140), and the main driving cylinder (130) is arranged vertically on the top surface of the driving seat (110) in a line-proof mode;
the test pump body (400) comprises a pump box (410), a main rotary table (420), a piston rod (430) and a return spring (440), wherein plunger cavities (414) which are arranged in one-to-one correspondence with the piston rod (430) are formed in the inner side of the pump box (410), a motor (413) for driving the main rotary table (420) to rotate is arranged at the bottom end of the pump box (410), a swash plate seat (421) which is in sliding butt joint with the bottom end of the piston rod (430) is arranged on the surface of the main rotary table (420), the return spring (440) is in interactive sleeving connection with the outer side of the piston rod (430) and one end of the return spring is in butt joint with the inner side of the pump box (410), and a toothed ring (422) is arranged on the periphery of the main rotary table (420);
the surface of the pressure plate sealing gasket (210) is provided with a connecting port used for being communicated with the test pump body (400), and the connecting port is in threaded connection with the end part of the test pump body (400);
the outside of the pump box (410) is provided with a liquid inlet port (411) and a liquid outlet port (412), the end part of the plunger cavity (414) is provided with two one-way valves which are respectively communicated with the liquid inlet port (411) and the liquid outlet port (412), and the arrangement directions of the two one-way valves are the same;
the liquid outlet port (412) is connected with a connection port of the pressure plate sealing gasket (210).
2. The hydraulic testing machine according to claim 1, wherein an included angle is formed between the linkage block (310) and the first force arm (320) and is an obtuse angle structure, and the linkage rod (311) is disposed in a direction inclined to the surface of the first force arm (320) and is located at one side of the outer angles of the linkage block (310) and the first force arm (320).
3. The hydraulic testing machine for pump casing of magnetic pump according to claim 1, wherein the front and rear ends of the linkage block (310) are provided with sliding blocks adapted to the guide rail (111), and the number of the linkage rod (311), the first force arm (320) and the second force arm (330) is two, and the two groups are symmetrically distributed on the left and right sides of the linkage block (310) with respect to a center line of the linkage block (310).
4. The hydraulic testing machine for the pump housing of the magnetic pump according to claim 1, wherein the pressure plate sealing gasket (210) is of a rubber disc-shaped structure, and the pressure plate sealing gasket (210) on the bottom surface of the sealing pressure seat (200) is communicated with the hydraulic gauge and the air pressure gauge monitoring end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104830.4A CN116818546B (en) | 2023-08-30 | 2023-08-30 | Hydraulic pressure testing machine for magnetic pump shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104830.4A CN116818546B (en) | 2023-08-30 | 2023-08-30 | Hydraulic pressure testing machine for magnetic pump shell |
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| Publication Number | Publication Date |
|---|---|
| CN116818546A CN116818546A (en) | 2023-09-29 |
| CN116818546B true CN116818546B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311104830.4A Active CN116818546B (en) | 2023-08-30 | 2023-08-30 | Hydraulic pressure testing machine for magnetic pump shell |
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| CN108303328A (en) * | 2018-04-28 | 2018-07-20 | 四川大学 | The rock mechanics response test system of simulation deep ground complex environment |
| CN208953269U (en) * | 2018-12-03 | 2019-06-07 | 山东豪迈机械科技股份有限公司 | Tire-mold pressure test device |
| CN111256982A (en) * | 2020-03-10 | 2020-06-09 | 山东省产品质量检验研究院 | Multifunctional fire valve body test device |
| CN114166316A (en) * | 2021-11-27 | 2022-03-11 | 湖南常德牌水表制造有限公司 | Pressure resistance detection device for water meter production |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602172A (en) * | 1978-03-09 | 1981-11-11 | Medal Consultants Ltd | Device for pressure testing |
| CN2534575Y (en) * | 2002-03-25 | 2003-02-05 | 青岛中路科技有限公司 | Full-automatic upper buckling oil pipe hydraulic testing apparatus |
| CN201876393U (en) * | 2010-12-07 | 2011-06-22 | 浙江大学 | Hydraulic fatigue test system for engine body |
| CN102611263A (en) * | 2012-04-17 | 2012-07-25 | 湘潭电机股份有限公司 | Pressure test device for base of explosion-proof electric machine |
| CN103234833A (en) * | 2013-05-06 | 2013-08-07 | 西安海联石化科技有限公司 | Equipment and device for hydraulic pressure test of rear metal pipe |
| CN108303328A (en) * | 2018-04-28 | 2018-07-20 | 四川大学 | The rock mechanics response test system of simulation deep ground complex environment |
| CN208953269U (en) * | 2018-12-03 | 2019-06-07 | 山东豪迈机械科技股份有限公司 | Tire-mold pressure test device |
| CN111256982A (en) * | 2020-03-10 | 2020-06-09 | 山东省产品质量检验研究院 | Multifunctional fire valve body test device |
| CN114166316A (en) * | 2021-11-27 | 2022-03-11 | 湖南常德牌水表制造有限公司 | Pressure resistance detection device for water meter production |
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| CN116818546A (en) | 2023-09-29 |
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