CN108613801B - Durability testing device for waterproof gasket of motor junction box - Google Patents
Durability testing device for waterproof gasket of motor junction box Download PDFInfo
- Publication number
- CN108613801B CN108613801B CN201810384941.8A CN201810384941A CN108613801B CN 108613801 B CN108613801 B CN 108613801B CN 201810384941 A CN201810384941 A CN 201810384941A CN 108613801 B CN108613801 B CN 108613801B
- Authority
- CN
- China
- Prior art keywords
- water
- shell
- gasket
- motor
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/005—Sealing rings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a durability test device for a waterproof gasket of a motor junction box, which comprises a base, a cylindrical shell, a compression device, a display, a blower device and a water sump, wherein the cylindrical shell is arranged on the base; the bottom end of the shell is welded on the upper plane of the base, a circular end cover is arranged at the upper end of the shell, and a circular hole is formed in the center of the end cover. The quality of the waterproof packing ring of mechanized test motor terminal box, after how many times repeated extrusion, the rubber packing ring will separate the effect greatly reduced of water, reminds people in time to change the packing ring, guarantee safety, a series of operations of whole in-process: the switch of the water valve, the switch of the water pump, the switch of the air blowing device, the start and the close of the compression device and the record of the display are all completed under the programmed operation of the system without manual operation.
Description
Technical Field
The invention relates to the technical field of motor processes, in particular to a durability testing device for a waterproof gasket of a motor junction box.
Background
The motor is a device for converting electric energy into mechanical energy, and is characterized by that it utilizes an electrified coil to produce rotating magnetic field and make it act on rotor to form magnetoelectric power rotating torque, and the motor can be divided into D.C. motor and A.C. motor according to the difference of power supply, and the most of the motors in the power system are A.C. motors, and can be synchronous motors or asynchronous motors. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the magnetic induction line direction. The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.
The terminal box is generally all installed to the next door of motor, be used for the standardization wiring, convenient unified maintenance and programmed management, but the motor often can be according to the different usage of motor, the terminal box needs frequent opening and closing, install the one deck rubber packing ring between terminal box cover and terminal box, be used for waterproof, water in case get into the terminal box, probably lead to the short circuit and the danger of burning out, requirement to the packing ring is very high, repeated switch terminal box cover, can influence the waterproof performance of packing ring, what number of times of terminal box switch operation must have an unambiguous data guarantee that the packing ring can be accomplished repeatedly, remind people in time to follow the packing ring of changing.
The invention mainly solves the problem that when the rubber gasket in the motor junction box needs to be replaced, the rubber gasket is not clear.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the durability testing device for the waterproof gasket of the motor junction box, which is used for detecting the repeated service life of the gasket and providing data support for replacing the gasket in time.
The invention solves the technical problems through the following technical means:
a durability test device for a waterproof gasket of a motor junction box comprises a base, a cylindrical shell, a compression device, a display, an air blowing device and a water sump, wherein the cylindrical shell is arranged on the base; the bottom end of the shell is welded on the upper plane of the base, the upper end of the shell is provided with a circular end cover, and the center of the end cover is provided with a circular hole;
the water sensor comprises a shell, and is characterized in that an annular base station, a circular pressing plate, an annular gasket to be detected and a water sensing plate are arranged in the shell, the outer side edge of the base station is welded with the inner wall of the shell, the gasket to be detected is placed on the upper plane of the base station, the pressing plate is arranged above the gasket to be detected, a gap is formed between the pressing plate and the outer side annular wall of the gasket to be detected and the inner wall of the shell, a drainage ditch is arranged on the upper plane of the base station corresponding to the bottom end of the gap, a water leakage hole is formed in the shell corresponding to the drainage ditch, the water sensing plate is arranged below the base station and is circular, the outer side edge of the water sensing plate is fixedly connected with the inner wall of the shell, and the water;
an air inlet and a water inlet are formed in the inner wall of the shell corresponding to the upper portion of the pressing plate, the air blowing device is arranged at the air inlet, the water bin is installed at the position, corresponding to the water leakage hole, of the outer side of the shell, the water bin is connected with the water inlet through a water pipe, a water pump is arranged at the water pipe, and a water valve is arranged at the water leakage hole;
the compression device is arranged above the shell and comprises a motor, a gear set, a shaft groove, a screw rod and a push rod, the push rod penetrates through the round hole, the upper end of the push rod is rotatably connected with the lower end of the screw rod, the lower end of the push rod is welded with the center of the upper end of the pressing plate, the screw rod is arranged in the shaft groove, the motor is in transmission fit with the gear set, and the gear set is in transmission fit with the screw rod;
preferably, a silica gel ring is arranged in a round hole in the center of the end cover, the end cover is fixedly connected to the upper end of the shell through a nut, and a cushion layer is further arranged at the joint of the end cover and the shell.
Preferably, the heating wire is disposed inside the air blowing device.
Preferably, an air port is arranged on the upper side surface of the water bin.
The invention has the advantages that: the invention mechanically tests the quality of the waterproof gasket of the motor junction box, after repeated extrusion for a plurality of times, the water insulation effect of the rubber gasket is greatly reduced, people are reminded to replace the gasket in time, the safety is ensured, and a series of operations are carried out in the whole process: the switch of the water valve, the switch of the water pump, the switch of the air blowing device, the start and the close of the compression device and the record of the display are all completed under the programmed operation of the system without manual operation.
Drawings
FIG. 1: is a structural schematic diagram of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The upper, lower, left, right, front and rear in this context are all relative to what is shown in FIG. 1.
Example (b):
as shown in fig. 1: a durability test device for a waterproof gasket of a motor junction box comprises a base 1, a cylindrical shell 2, a compression device 3, a display 4, an air blowing device 5 and a water sump 6; the bottom end of the shell 2 is welded on the upper plane of the base 1, a circular end cover 21 is arranged at the upper end of the shell 2, and a circular hole 22 is formed in the center of the end cover 21;
an annular base table 23, a circular pressing plate 24, an annular gasket 25 to be detected and a water sensing plate 26 are arranged inside the shell 2, the outer side edge of the base table 23 is welded with the inner wall of the shell 2, the gasket 25 to be detected is placed on the upper plane of the base table 23, the pressing plate 24 is arranged above the gasket 25 to be detected, a gap 27 is formed between the outer side annular wall of the pressing plate 24 and the gasket 25 to be detected and the inner wall of the shell 2, a drainage ditch 28 is arranged on the upper plane of the base table 23 corresponding to the bottom end of the gap 27, a water leakage hole 61 is arranged on the shell 2 corresponding to the drainage ditch 28, the water sensing plate 26 is arranged below the base table 23, the water sensing plate 26 is circular, the outer side edge of the water sensing plate 26 is fixedly connected with the inner wall of the shell 2, and the water sensing plate 26 is connected with the display 4 outside the;
an air inlet 51 and a water inlet 62 are arranged on the inner wall of the shell 2 corresponding to the upper part of the pressing plate 24, the air blowing device 5 is arranged at the air inlet 51, the water sump 6 is arranged at the position, corresponding to the water leakage hole 61, on the outer side of the shell 2, the water sump 6 is connected with the water inlet 62 through a water pipe 63, a water pump 64 is arranged at the water pipe, and a water valve 65 is arranged at the water leakage hole 62;
the compression device 3 is mounted above the shell 2, the compression device 3 comprises a motor 31, a gear set 32, a shaft groove 33, a screw rod 34 and a push rod 35, the push rod 35 penetrates through the round hole 22, the upper end of the push rod 35 is rotatably connected with the lower end of the screw rod 34, the lower end of the push rod 35 is welded with the center of the upper end of the pressing plate 24, the screw rod 34 is mounted in the shaft groove 33, the motor 31 is in transmission fit with the gear set 32, and the gear set 32 is in transmission fit with the screw rod 34;
the invention is used for testing the waterproof performance of a rubber gasket at the junction box of a motor, a round gasket is placed at the gasket, then a motor 31 is started, a push rod is extruded downwards through transmission fit, the push rod pushes a pressing plate, the pressing plate 24 is matched with a base 23, after the extrusion is finished, water is fed through a water bin 6, the upper half part of a shell is filled with the water, the round gasket is mainly used for testing the waterproof performance between the pressing plate and the base, after a period of time, a water sensing plate positioned at the lower part inside the shell is used for sensing the existence of the water, then a blower device is started, a water inlet system of the water bin is closed, a water leakage hole 61 is opened, the water in the shell is discharged through the water leakage hole in the blowing process, the water enters the water bin again, the water quantity is not reduced, the blower has the effect equivalent to the pressurizing effect in order to improve the water flowing out of the shell as fast, and, close the air-blower, compressor arrangement 3 upward movement earlier simultaneously, then the gasket is once more extruded in the downward movement, when the gasket is extruded fully, open the water inlet once more, water flows into the casing once more by the sump in, records once more that water tablet can not respond to the condition of revealing of water, notes secondary extrusion process, repeated operation so, mainly test the gasket and can repeat how many times the extrusion back, the gasket will lose its effect of isolating water, accomplish the test to the gasket, a series of operations of whole in-process: the switch of the water valve, the switch of the water pump, the switch of the air blowing device, the start and the close of the compression device and the record of the display are all completed under the programmed operation of the system without manual operation.
A silica gel ring 29 is arranged in the round hole 22 in the center of the end cover 21, the end cover 21 is fixedly connected to the upper end of the shell 2 through a nut 211, and a cushion layer 212 is further arranged at the joint of the end cover 21 and the shell 2.
The heating wire 52 is provided inside the air blowing device 5. The electric heating wire can dry the moisture in the shell to a certain extent.
The upper side of the water sump 6 is provided with an air port 66. The air port is favorable for the balance of the atmospheric pressure in the water sump and is more favorable for the water outlet of the water leakage hole.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a durability testing arrangement of waterproof packing ring of motor terminal box which characterized in that: comprises a base, a cylindrical shell, a compression device, a display, a blower device and a water sump; the bottom end of the shell is welded on the upper plane of the base, the upper end of the shell is provided with a circular end cover, and the center of the end cover is provided with a circular hole;
the water sensor comprises a shell, and is characterized in that an annular base station, a circular pressing plate, an annular gasket to be detected and a water sensing plate are arranged in the shell, the outer side edge of the base station is welded with the inner wall of the shell, the gasket to be detected is placed on the upper plane of the base station, the pressing plate is arranged above the gasket to be detected, a gap is formed between the pressing plate and the outer side annular wall of the gasket to be detected and the inner wall of the shell, a drainage ditch is arranged on the upper plane of the base station corresponding to the bottom end of the gap, a water leakage hole is formed in the shell corresponding to the drainage ditch, the water sensing plate is arranged below the base station and is circular, the outer side edge of the water sensing plate is fixedly connected with the inner wall of the shell, and the water;
an air inlet and a water inlet are formed in the inner wall of the shell corresponding to the upper portion of the pressing plate, the air blowing device is arranged at the air inlet, the water bin is installed at the position, corresponding to the water leakage hole, of the outer side of the shell, the water bin is connected with the water inlet through a water pipe, a water pump is arranged at the water pipe, and a water valve is arranged at the water leakage hole;
the compression device is installed above the shell and comprises a motor, a gear set, an axial groove, a screw rod and a push rod, the push rod penetrates through the round hole, the upper end of the push rod is rotatably connected with the lower end of the screw rod, the lower end of the push rod is welded with the center of the upper end of the pressing plate, the screw rod is installed in the axial groove, the motor is in transmission fit with the gear set, and the gear set is in transmission fit with the screw rod.
2. The durability test device for the waterproof gasket of the motor junction box according to claim 1, wherein: a silica gel ring is arranged in a round hole in the center of the end cover, the end cover is fixedly connected to the upper end of the shell through a nut, and a cushion layer is further arranged at the joint of the end cover and the shell.
3. The durability test device for the waterproof gasket of the motor junction box according to claim 1, wherein: and the interior of the air blowing device is provided with an electric heating wire.
4. The durability test device for the waterproof gasket of the motor junction box according to claim 1, wherein: the upper side surface of the water bin is provided with an air port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384941.8A CN108613801B (en) | 2018-04-26 | 2018-04-26 | Durability testing device for waterproof gasket of motor junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384941.8A CN108613801B (en) | 2018-04-26 | 2018-04-26 | Durability testing device for waterproof gasket of motor junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613801A CN108613801A (en) | 2018-10-02 |
| CN108613801B true CN108613801B (en) | 2020-04-14 |
Family
ID=63661312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384941.8A Active CN108613801B (en) | 2018-04-26 | 2018-04-26 | Durability testing device for waterproof gasket of motor junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613801B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5217421B2 (en) * | 2007-12-26 | 2013-06-19 | トヨタ自動車株式会社 | Seal member hermetic test apparatus and seal member hermetic test method |
| CN203231870U (en) * | 2013-04-28 | 2013-10-09 | 福达轴承集团福莱特精工科技有限公司 | Bearing sealing ring waterproof testing machine |
| CN104569303A (en) * | 2014-11-27 | 2015-04-29 | 浙江工业大学 | Water seal endurance test device |
| CN106323550A (en) * | 2015-06-30 | 2017-01-11 | 江苏新真威试验机械有限公司 | Novel rotation type sealing ring performance test machine |
| CN204964154U (en) * | 2015-09-08 | 2016-01-13 | 四川佳世特橡胶有限公司 | Sealing washer hydraulical pressure test apparatus |
-
2018
- 2018-04-26 CN CN201810384941.8A patent/CN108613801B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108613801A (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5440917A (en) | Leak detector | |
| CN108613801B (en) | Durability testing device for waterproof gasket of motor junction box | |
| CN205646521U (en) | Fire prevention type high -low pressure prepackage type transformer substation | |
| CN114966395A (en) | Multifunctional motor test tool | |
| CN202256427U (en) | Single-phase electric-energy metering box for intelligent remote meter reading | |
| CN1147638A (en) | Comprehensive motor and water pump test system | |
| CN211452480U (en) | Remote intelligent control water meter | |
| CN103336244A (en) | Lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device | |
| CN205539101U (en) | Dampproofing ammeter case | |
| CN115540950B (en) | Transformer oil gas temperature online monitoring device and method | |
| CN202423010U (en) | Explosion-proof capacitor | |
| CN211061569U (en) | Pressing plate mounting structure of electronic control engine speed sensor | |
| CN208073839U (en) | A kind of detection alarm system of motor with cup rotor fan | |
| CN210015358U (en) | Motor insulation resistance stabilizing device | |
| CN106602797B (en) | The detection device and its detection method of Noninvasive testing induction conductivity bias | |
| CN206906526U (en) | Ring main unit shelf depreciation and temperature real time on-line monitoring system | |
| CN205879248U (en) | Outdoor box -type substation inlet wire cabinet cable chamber temperature and humidity detection device | |
| CN207074252U (en) | Device for checking electric relay | |
| CN209540175U (en) | A kind of gas monitor and control device | |
| CN210166656U (en) | Temperature controller on-off temperature detection device | |
| CN206095458U (en) | Shells assembly of wisdom electrical safety monitor | |
| CN205910822U (en) | Fuel gas alarm device | |
| CN205646559U (en) | Thermostatic type high -low pressure prepackage type transformer substation | |
| CN201081666Y (en) | Rotator shaft extension error tester | |
| CN220305675U (en) | Unmanned on duty integrated pump floodgate automatic control system based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |