CN113670493B - Device for testing reliability of disconnecting force of insulator - Google Patents
Device for testing reliability of disconnecting force of insulator Download PDFInfo
- Publication number
- CN113670493B CN113670493B CN202110972165.5A CN202110972165A CN113670493B CN 113670493 B CN113670493 B CN 113670493B CN 202110972165 A CN202110972165 A CN 202110972165A CN 113670493 B CN113670493 B CN 113670493B
- Authority
- CN
- China
- Prior art keywords
- force transmission
- force
- clamping
- insulator
- pressing block
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application belongs to the technical field of electric power testing equipment, and particularly discloses equipment for testing the reliability of the disengaging force of an insulator, which comprises a bracket component, a clamping component and a force transmission component, wherein the clamping component is fixed on the bracket component and comprises an elastic sleeve, the force transmission component comprises a force transmission pressing block, clamping nails, a pull rope and weights, the force transmission pressing block is disc-shaped, a through hole is formed in the middle of the force transmission pressing block, the aperture of the through hole is smaller than the outer diameter of a flange and larger than the outer diameter of an insulating ring, two clamping nails are symmetrically arranged on the force transmission pressing block, two ends of the pull rope are respectively fixed on different clamping nails, and the weights are hung on the pull rope through hooks. By adopting the scheme of the application, stable setting force can be applied to the insulator in a hanging manner, and the insulating ring in the insulator is mainly applied to the end face of the flange and is not extruded, so that the problems that in the existing test method, the test result is influenced by unstable pressure and the pressure head can cause secondary pollution and damage to the insulating ring are avoided.
Description
Technical Field
The application belongs to the technical field of power testing equipment, and particularly relates to equipment for testing the reliability of the disconnecting force of an insulator.
Background
The insulator (insulating Receptacle), combine the fig. 1 to show, through between insulating ring and flange, the space isolation point is glued and is realized insulating, and the tight fit power method between current test insulating ring and the flange is: the base is used for positioning the flange, the pressure head is used for propping against the flange and extruding the insulating ring, a certain force is applied to the insulating ring by using the manual press for 10 seconds, and whether displacement phenomenon exists between the insulating ring and the flange or not is observed.
The method is simple to operate, but has the following problems that 1, the existing testing method needs to apply force to the product continuously by people, the pressure is unstable in the process of applying the force, the testing result is influenced, the manual force is applied, the operation difficulty is high, fatigue is easy to generate, and the working strength is high; 2. the pressure head is required to contact the end face of the insulating ring, so that secondary pollution or damage to the cleaned end face of the product is easy to cause. Based on the above, the application provides the reliability test equipment for the disconnecting force of the insulator, which can continuously and stably apply the set force to the product, is simple to operate and small in working strength, does not pollute and damage the insulating ring for 2 times, and is easy to realize the full inspection of the product.
Disclosure of Invention
Aiming at the defects existing in the prior art, the application provides the reliability test equipment for the disconnecting force of the insulator, so as to solve the problems that in the existing test method, pressure is required to be manually applied to a product, the test result is influenced by unstable pressure, and the pressure head can cause secondary pollution and damage to an insulating ring.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the utility model provides a throw-off force reliability test equipment of insulator, includes bracket component, clamping component and passes power subassembly, and the clamping component is fixed on bracket component, the clamping component includes elastic sleeve, and elastic sleeve can press-fit to the insulating ring in, pass power subassembly including passing power briquetting, staple, stay cord and weight, pass power briquetting is discoid, passes through the hole has been seted up at passing power briquetting middle part, and the aperture through the hole is less than the external diameter of flange, is greater than the external diameter of insulating ring simultaneously, and the staple is equipped with two to the symmetry is installed on passing power briquetting, and the both ends of stay cord are fixed respectively on different staples, and the weight is hung on the stay cord through the couple.
Compared with the prior art, the application has the following beneficial effects:
1. by adopting the scheme, before testing, the elastic sleeve passes through the through hole on the force transmission pressing block, the insulating ring is pressed on the elastic sleeve, after the pressing of the insulator is completed, the two clamping nails are fixed on the force transmission pressing block, the bottoms of the force transmission pressing blocks are pressed on the flange, weights are hung at the bottoms of the pull ropes one by one, the insulator to be tested is continuously applied to the set pulling force, after the hanging is completed, the weights are taken down, the insulator is taken down, and the cracking condition of the bonding part of the insulator is observed.
2. The mode that this scheme adopted the hanging weight can exert stable settlement power to the insulator, and because pulling force mainly acts on the terminal surface of flange, consequently when detecting, the insulating ring in the insulator can not receive the extrusion force, has consequently avoided in the present test method, need the people to exert pressure to the product for the unstable test result that influences of pressure, and the pressure head can produce secondary pollution and the problem of injury to the insulating ring.
Further, two symmetrical open slots are formed in the force transmission pressing block, a limiting disc is fixed at the top of the clamping nail, and the width of each open slot is larger than the diameter of the clamping nail and smaller than the outer diameter of the limiting disc.
The beneficial effects are that: thus, the installation and the disassembly of the front and rear force transmission components are convenient to test.
Further, the pull rope is made of a Kevlar pull rope.
The beneficial effects are that: the pull wire has strong bearing capacity and almost no elastic capacity, so that the pull wire can be well applied to hanging weight test equipment.
Further, the support assembly comprises a bottom plate, a support column and a horizontal column, wherein the support column is vertically fixed on the bottom plate, the horizontal column is fixed at the top of the support column, and the clamping assembly is detachably connected to the end part of the horizontal column.
The beneficial effects are that: the support assembly thus arranged has a good load-bearing capacity for the clamping assembly.
Further, be fixed with a plurality of diagonal braces between support column and the bottom plate, a plurality of diagonal braces are equidistant to be distributed along the circumference of support column, are fixed with the stiffener that the slope set up between horizontal post and the support column.
The beneficial effects are that: the arrangement of the diagonal draw bars and the reinforcing rods can further improve the stability of the bracket assembly in the reliability test process.
Further, the clamping assembly comprises a chuck fixing block, a chuck locking sleeve and a spring chuck, wherein the chuck fixing block is connected to the horizontal column through a bolt, the chuck fixing block is in threaded connection with the chuck locking sleeve, and the spring chuck is pressed in the chuck locking sleeve.
The beneficial effects are that: the spring chuck is adopted to press the insulator simply and conveniently, and the operation of test personnel is facilitated.
Further, the connecting column is arranged at the bottom of the spring chuck in a pressing mode, the elastic sleeve is arranged on the connecting column in a pressing mode, and the outer wall of the elastic sleeve is provided with a strip-shaped through groove.
The beneficial effects are that: therefore, the elastic sleeve and the collet chuck are detachably connected, when the insulator is used for a long time and needs to be replaced, the elastic sleeve only needs to be replaced, and the strip-shaped through groove is arranged to facilitate press fitting of the insulator.
Drawings
Fig. 1 is an exploded view of an insulator to be inspected in an embodiment of the present application.
Fig. 2 is an isometric view of an embodiment of the application.
Fig. 3 is a cross-sectional view of a clamping assembly in accordance with an embodiment of the present application.
Fig. 4 is an isometric view of a spring clip according to an embodiment of the application.
Fig. 5 is an isometric view of a force transfer assembly without an insulator installed in an embodiment of the application.
Reference numerals in the drawings of the specification include: insulator 1, flange 2, insulating ring 3, bracket assembly 10, clamping assembly 20, force transfer assembly 30, base plate 101, support column 102, horizontal column 103, diagonal brace 104, stiffener 105, collet fixture 201, collet lock sleeve 202, collet 203, threaded bore 204, externally threaded section 205, internally threaded section 206, connecting column 207, elastic sleeve 208, bar-shaped through slot 209, force transfer press block 301, staple 302, pull cord 303, weight 304, through hole 305, open slot 306, limit plate 307, and method of manufacturing the same,
Detailed Description
The application is described in further detail below with reference to the drawings in the specification and the detailed description is given.
Examples: basically, as shown in fig. 2, the insulator 1 to be tested comprises a flange 2 and an insulating ring 3, wherein the flange 2 is fixed on the outer part of the insulating ring 3, and insulation is realized between the flange 2 and the insulating ring 3 through interval dispensing, as shown in fig. 1.
The test equipment provided by the embodiment comprises a bracket assembly 10, a clamping assembly 20 and a force transmission assembly 30, wherein the bracket assembly 10 comprises a bottom plate 101, a supporting column 102 and a horizontal column 103, the supporting column 102 is vertically fixed on the bottom plate 101, a plurality of diagonal draw bars 104 are fixed between the supporting column 102 and the bottom plate 101, the diagonal draw bars 104 are distributed at equal intervals along the circumference of the supporting column 102, the horizontal column 103 is fixed at the top of the supporting column 102, a reinforcing rod 105 which is obliquely arranged is fixed between the horizontal column 103 and the supporting column 102, and the clamping assembly 20 is fixed at the end part of the horizontal column 103.
In this embodiment, as shown in fig. 3 and 4, the clamping assembly 20 includes a chuck fixing block 201, a chuck locking sleeve 202 and a collet chuck 203, the chuck fixing block 201 is a cylinder, a coaxial threaded hole 204 is formed in the cylinder, the top of the chuck fixing block is detachably connected with the horizontal column 103 through a bolt, an external threaded section 205 is formed at the bottom of the chuck fixing block 201, an internal threaded section 206 is formed at the top of the chuck locking sleeve 202, thus the chuck locking sleeve 202 is detachably connected with the chuck fixing block 201 through threads, a limiting hole communicating with the threaded hole 204 is formed in the chuck locking sleeve 202, during installation, the collet chuck 203 is firstly pressed into the chuck locking sleeve 202, then the chuck locking sleeve 202 is connected to the chuck fixing block 201, a connecting column 207 is pressed at the bottom of the collet chuck 203, an elastic sleeve 208 is pressed at the bottom of the connecting column 207, and during testing, the elastic sleeve 208 is pressed into the insulating ring 3, and a symmetrical strip-shaped through groove 209 is formed on the outer wall of the elastic sleeve 208, so that the insulator 1 is installed.
In this embodiment, as shown in fig. 5, the force transmission assembly 30 includes a force transmission pressing block 301, a clamp 302, a pull rope 303 and a weight 304, where the force transmission pressing block 301 is disc-shaped, a through hole 305 is formed in the middle of the force transmission pressing block 301, the aperture of the through hole 305 is smaller than the outer diameter of the flange 2 on the insulator 1 and larger than the outer diameter of the insulating ring 3, two open slots 306 are symmetrically formed in the force transmission pressing block 301, and in this embodiment, the open slots 306 are U-shaped slots; in this embodiment, two staples 302 are provided, the top of each staple 302 is integrally formed with a limiting disc 307, the diameter of each limiting disc 307 is larger than the width of each open slot 306, and the diameter of each staple 302 is smaller than the width of each open slot 306, so that each staple 302 can be inserted into each open slot 306, two ends of each stay cord 303 are respectively fixed at the bottoms of the two staples 302, and thus, the weights 304 can be hung at the bottoms of the stay cords 303 through hooks, and the stay cords 303 in this embodiment are made of Kevlar wires.
Before testing, the elastic sleeve 208 is made to pass through the through hole 305 on the force transmission pressing block 301, then the insulating ring 3 is pressed on the elastic sleeve 208, a gap for the limit disc 307 to enter is reserved between the force transmission pressing block 301 and the bottom of the collet 203, after the pressing of the insulator 1 is completed, two clamping nails 302 are respectively clamped into the open grooves 306, the bottom of the force transmission pressing block 301 is pressed on the flange 2, then weights 304 are hung on the bottoms of the pull ropes 303 one by one, the insulator 1 to be tested is continuously applied to the set pulling force, after the hanging is completed, the weights 304 are taken down, the insulator 1 is taken down, and the situation that the glued part of the insulator is cracked is observed.
It is noted that relational terms such as first and second, and the like 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. Moreover, 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.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered by the scope of the claims of the present application.
Claims (4)
1. The equipment for testing the reliability of the disconnecting force of the insulator is characterized in that: the clamping assembly comprises an elastic sleeve, the elastic sleeve can be pressed into an insulating ring, the force transmission assembly comprises a force transmission pressing block, clamping nails, pull ropes and weights, the force transmission pressing block is disc-shaped, a through hole is formed in the middle of the force transmission pressing block, the aperture of the through hole is smaller than the outer diameter of a flange, the aperture of the through hole is larger than the outer diameter of the insulating ring, two clamping nails are symmetrically arranged on the force transmission pressing block, two ends of each pull rope are respectively fixed on different clamping nails, and the weights are hung on the pull ropes through hooks;
the support assembly comprises a bottom plate, a support column and a horizontal column, the support column is vertically fixed on the bottom plate, the horizontal column is fixed at the top of the support column, and the clamping assembly is detachably connected to the end part of the horizontal column;
the clamping assembly comprises a chuck fixing block, a chuck locking sleeve and a spring chuck, wherein the chuck fixing block is connected to the horizontal column through a bolt, the chuck fixing block is in threaded connection with the chuck locking sleeve, and the spring chuck is pressed in the chuck locking sleeve;
the bottom of the spring chuck is provided with a connecting column in a pressing mode, the elastic sleeve is arranged on the connecting column in a pressing mode, and the outer wall of the elastic sleeve is provided with a strip-shaped through groove.
2. The apparatus for testing the reliability of the disconnection force of an insulator according to claim 1, wherein: two symmetrical open slots are formed in the force transmission pressing block, a limiting disc is fixed at the top of the clamping nail, and the width of each open slot is larger than the diameter of the clamping nail and smaller than the outer diameter of the limiting disc.
3. The apparatus for testing the reliability of the disconnection force of an insulator according to claim 1, wherein: the pull rope is made of a Kevlar pull rope.
4. The apparatus for testing the reliability of the disconnection force of an insulator according to claim 1, wherein: a plurality of diagonal braces are fixed between the support columns and the bottom plate, the diagonal braces are distributed at equal intervals along the circumferential direction of the support columns, and reinforcing rods which are obliquely arranged are fixed between the horizontal columns and the support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972165.5A CN113670493B (en) | 2021-08-24 | 2021-08-24 | Device for testing reliability of disconnecting force of insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972165.5A CN113670493B (en) | 2021-08-24 | 2021-08-24 | Device for testing reliability of disconnecting force of insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113670493A CN113670493A (en) | 2021-11-19 |
| CN113670493B true CN113670493B (en) | 2023-08-25 |
Family
ID=78545517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110972165.5A Active CN113670493B (en) | 2021-08-24 | 2021-08-24 | Device for testing reliability of disconnecting force of insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113670493B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045381A (en) * | 2000-08-01 | 2002-02-12 | Morita Mfg Co Ltd | Chuck clamping force test instrument for medical/dental handpiece |
| CN201819761U (en) * | 2010-08-24 | 2011-05-04 | 夏超华 | Adhesive tape retention testing device |
| CN104155094A (en) * | 2014-08-20 | 2014-11-19 | 常州常利来电子有限公司 | Simple terminal pullout test instrument |
| CN105628284A (en) * | 2014-10-31 | 2016-06-01 | 朱振新 | Cable holding force testing device |
| CN209910862U (en) * | 2019-05-22 | 2020-01-07 | 广东顶峰检测技术服务有限公司 | Soft cable retention test device |
| CN111458235A (en) * | 2020-05-18 | 2020-07-28 | 上海汇珏网络通信设备股份有限公司 | Optical fiber tension testing device replacing SC flange connection coupler |
| CN211401642U (en) * | 2019-12-25 | 2020-09-01 | 美安创新医疗科技无锡有限公司 | Tool for detecting tension of electrode needle |
| CN213091157U (en) * | 2020-10-30 | 2021-04-30 | 深圳市光导科技有限公司 | Device for detecting retention force of plug-in terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214043403U (en) * | 2020-12-28 | 2021-08-24 | 东莞市永威顺五金科技有限公司 | T-buckle inductance winding chuck |
-
2021
- 2021-08-24 CN CN202110972165.5A patent/CN113670493B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045381A (en) * | 2000-08-01 | 2002-02-12 | Morita Mfg Co Ltd | Chuck clamping force test instrument for medical/dental handpiece |
| CN201819761U (en) * | 2010-08-24 | 2011-05-04 | 夏超华 | Adhesive tape retention testing device |
| CN104155094A (en) * | 2014-08-20 | 2014-11-19 | 常州常利来电子有限公司 | Simple terminal pullout test instrument |
| CN105628284A (en) * | 2014-10-31 | 2016-06-01 | 朱振新 | Cable holding force testing device |
| CN209910862U (en) * | 2019-05-22 | 2020-01-07 | 广东顶峰检测技术服务有限公司 | Soft cable retention test device |
| CN211401642U (en) * | 2019-12-25 | 2020-09-01 | 美安创新医疗科技无锡有限公司 | Tool for detecting tension of electrode needle |
| CN111458235A (en) * | 2020-05-18 | 2020-07-28 | 上海汇珏网络通信设备股份有限公司 | Optical fiber tension testing device replacing SC flange connection coupler |
| CN213091157U (en) * | 2020-10-30 | 2021-04-30 | 深圳市光导科技有限公司 | Device for detecting retention force of plug-in terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113670493A (en) | 2021-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113670493B (en) | Device for testing reliability of disconnecting force of insulator | |
| CN213838553U (en) | Fixing device for downhole operation hydraulic tongs | |
| CN211183190U (en) | Quick dismounting device of elbow type head | |
| CN113049407A (en) | Combined loading test device for testing shearing performance of composite material | |
| CN213124774U (en) | Switching fitting and distribution line switching assembly composed of same | |
| CN214066722U (en) | Vertical tensile test fixture for bonding force | |
| CN213782495U (en) | Inside cable fixing device of block terminal | |
| CN210155168U (en) | Porcelain insulator withstand voltage test support structure | |
| CN110601095B (en) | Combined type parallel ditch lap joint device capable of carrying out live working and operation method thereof | |
| CN215064979U (en) | Chain type clamp for fastening pipeline residual stress testing device | |
| CN219201161U (en) | Tool for testing strength of bristle product | |
| CN212585965U (en) | Tension detection tool for pre-twisted damper | |
| CN221199752U (en) | Wire and cable check out test set with stable fixed knot constructs | |
| CN218710905U (en) | Insulating device of chute hanger | |
| CN216818661U (en) | Copper aluminium wire holder convenient to equipment | |
| CN212206884U (en) | Connecting fitting for insulator tension test | |
| CN210129013U (en) | Suspension insulator string alternating current voltage withstand test device | |
| CN221100568U (en) | Wire and cable heat resistance performance detection equipment with fixed knot constructs | |
| CN221238761U (en) | Conversion clamp for plate type clamp | |
| CN116504496B (en) | Conveniently-assembled transformer fixing device for electric power | |
| CN213521005U (en) | Special tool for assembling and disassembling equipment in cable bin of high-voltage switch cabinet | |
| CN210375675U (en) | Clamp for plastic corrugated pipe drawing force test | |
| CN220539029U (en) | Steel wire net rack fixing structure | |
| CN214274786U (en) | Fastening device for groove type quick fire-fighting pipe fitting joint | |
| CN218102512U (en) | Strain clamp convenient to install |
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 |