CN114001074A - Expansion and contraction compensation device for lap joint surface of power equipment - Google Patents
Expansion and contraction compensation device for lap joint surface of power equipment Download PDFInfo
- Publication number
- CN114001074A CN114001074A CN202111302410.8A CN202111302410A CN114001074A CN 114001074 A CN114001074 A CN 114001074A CN 202111302410 A CN202111302410 A CN 202111302410A CN 114001074 A CN114001074 A CN 114001074A
- Authority
- CN
- China
- Prior art keywords
- lap joint
- plate
- spring
- faying
- power equipment
- 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.)
- Pending
Links
- 230000008602 contraction Effects 0.000 title claims abstract description 15
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0266—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application discloses power equipment faying surface breathing compensation arrangement includes: the first lap joint plate and the second lap joint plate are locked on the lap joint surface of the power equipment through screws; one end of the screw sequentially penetrates through the first lapping plate and the second lapping plate and is connected with the nut; a spring is sleeved on the screw; one end of the spring is connected with the screw, and the other end of the spring is connected with the first lapping plate. The invention can reduce the possibility of heating of the lap joint surface of the electrical equipment due to poor contact by compensating the pressure change after expansion and contraction.
Description
Technical Field
The application relates to faying surface expansion compensation technical field especially relates to an electric power equipment faying surface breathing compensation arrangement.
Background
Lapped mode extensively exists among the power equipment, lapped metal material is aluminium or copper usually, and fastening screw's material is mostly indisputable or stainless steel, because different materials have different thermal expansion coefficients, under external environment and self overcurrent heat generation's influence, the metal can take place the breathing phenomenon because of the change of temperature, and aluminium or copper thermal expansion coefficient is bigger than indisputable or stainless steel, the breathing degree of the fastening screw of faying face is bigger promptly, make faying face contact failure, cause to generate heat at last.
At present, current power equipment faying surface is mostly screw fastening, and the material is different but does not have corresponding breathing back pressure compensation measure, consequently appears contact failure and the condition that generates heat in service easily, and power equipment maintainer need have a power failure to handle, nevertheless still can not solve essential problems after handling, appears the condition of secondary defect more easily in the heavy current scene. Therefore, the invention provides an expansion and contraction compensation device for a lapping surface of electrical equipment.
Disclosure of Invention
The embodiment of the application provides an electric power equipment faying surface breathing compensation arrangement, can be through the pressure variation after the compensation breathing to reduce the possibility that electric power equipment faying surface generates heat because of contact failure.
In view of this, the present application provides an expansion and contraction compensation device for a faying surface of an electrical device, including: the first lap joint plate and the second lap joint plate are locked on the lap joint surface of the power equipment through screws;
one end of the screw penetrates through the first lapping plate and the second lapping plate in sequence and is connected with a nut;
a spring is sleeved on the screw;
one end of the spring is connected with the screw, and the other end of the spring is connected with the first lap joint plate.
Optionally, a first washer is disposed between the spring and the first strap.
Optionally, a second washer is disposed between the nut and the second strap.
Optionally, the number of the screws is plural.
Optionally, the number of the screws is 4.
Optionally, the first strap plate and the second strap plate are both made of metal.
Optionally, the metal is stainless steel.
According to the technical scheme, the embodiment of the application has the following advantages: the power equipment lap joint structure comprises a first lap joint plate, a second lap joint plate and a screw for locking the first lap joint plate and the second lap joint plate on a lap joint surface of power equipment, wherein one end of the screw sequentially penetrates through the first lap joint plate and the second lap joint plate and is connected with a nut; the screw is sleeved with a spring, one end of the spring is connected with the screw, and the other end of the spring is connected with the first lap joint plate. This device simple structure, convenient to use through using spring symmetry compensation pressure, can effectively solve the inhomogeneous problem of pressure behind the different material breathing deformation, ensures that the faying surface closely laminates all the time to reduce the possibility that power equipment faying surface generates heat because of contact failure.
Drawings
Fig. 1 is a schematic structural diagram of an expansion and contraction compensation device for a faying surface of an electrical device in an embodiment of the present application;
wherein the reference numerals are:
1-first strap, 2-second strap, 3-screw, 4-nut, 5-spring, 6-first washer, 7-second washer.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application provides an embodiment of an expansion and contraction compensation device for a faying surface of an electrical device, and particularly refers to fig. 1.
The electric power equipment faying surface breathing compensation arrangement in this embodiment includes: the power equipment fixing device comprises a first lap joint plate 1, a second lap joint plate 2 and a screw 3 for locking the first lap joint plate 1 and the second lap joint plate 2 on a lap joint surface of power equipment, wherein one end of the screw 3 sequentially penetrates through the first lap joint plate 1 and the second lap joint plate 2 and is connected with a nut 4; the cover is equipped with spring 5 on the screw 3, and spring 5's one end is connected with screw 3, and the other end is connected with first lapping plate 1.
It should be noted that: this device simple structure, convenient to use through using 5 symmetrical compensating pressure of spring, can effectively solve the inhomogeneous problem of pressure behind the different material breathing deformation, ensures that the faying surface closely laminates all the time to reduce the possibility that the power equipment faying surface generates heat because of contact failure.
The above is a first embodiment of the expansion and contraction compensation device for the faying surface of the electrical equipment provided in the embodiment of the present application, and the following is a second embodiment of the expansion and contraction compensation device for the faying surface of the electrical equipment provided in the embodiment of the present application, specifically please refer to fig. 1.
The electric power equipment faying surface breathing compensation arrangement in this embodiment includes: the power equipment fixing device comprises a first lap joint plate 1, a second lap joint plate 2 and a screw 3 for locking the first lap joint plate 1 and the second lap joint plate 2 on a lap joint surface of power equipment, wherein one end of the screw 3 sequentially penetrates through the first lap joint plate 1 and the second lap joint plate 2 and is connected with a nut 4; the cover is equipped with spring 5 on the screw 3, and spring 5's one end is connected with screw 3, and the other end is connected with first lapping plate 1.
Specifically, a first gasket 6 may be disposed between the spring 5 and the first strap 1; a second washer 7 may be provided between the nut 4 and the second strap 2 to make the connection tighter.
The number of screws 3 may be plural. In this embodiment, the number of the screws 3 is 4, and the 4 screws 3 are symmetrically distributed.
The first lapping plate 1 and the second lapping plate 2 can be made of metal. Specifically, the metal may be stainless steel.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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 in the embodiments of the present application.
Claims (7)
1. The utility model provides an electric power equipment faying surface breathing compensation arrangement which characterized in that includes: the first lap joint plate and the second lap joint plate are locked on the lap joint surface of the power equipment through screws;
one end of the screw penetrates through the first lapping plate and the second lapping plate in sequence and is connected with a nut;
a spring is sleeved on the screw;
one end of the spring is connected with the screw, and the other end of the spring is connected with the first lap joint plate.
2. The electrical equipment faying surface dilatation and contraction compensation device of claim 1, wherein a first washer is disposed between the spring and the first faying plate.
3. The electrical equipment faying surface dilatation and contraction compensation device of claim 1, wherein a second washer is disposed between the nut and the second faying plate.
4. The electrical equipment faying surface expansion and contraction compensation device according to claim 1, wherein the number of the screws is plural.
5. The electrical equipment faying surface expansion and contraction compensation device according to claim 4, wherein the number of the screws is 4.
6. The expansion and contraction compensation device for faying surfaces of electric equipment as claimed in claim 1, wherein the first faying plate and the second faying plate are both made of metal.
7. An electrical equipment faying surface expansion and contraction compensation device according to claim 6, wherein the metal is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302410.8A CN114001074A (en) | 2021-11-04 | 2021-11-04 | Expansion and contraction compensation device for lap joint surface of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302410.8A CN114001074A (en) | 2021-11-04 | 2021-11-04 | Expansion and contraction compensation device for lap joint surface of power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114001074A true CN114001074A (en) | 2022-02-01 |
Family
ID=79927450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111302410.8A Pending CN114001074A (en) | 2021-11-04 | 2021-11-04 | Expansion and contraction compensation device for lap joint surface of power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114001074A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH220315A (en) * | 1941-09-19 | 1942-03-31 | Rothfuchs Alfred | Clamping device for attaching electrical lead wires. |
| CN101876386A (en) * | 2009-04-28 | 2010-11-03 | 沐秀平 | Rotary compensator for heat supply network pipeline |
| CN102564102A (en) * | 2012-01-13 | 2012-07-11 | 安徽图强生化容器制造有限公司 | Sealing device for inner and outer cylinders of reclaimed rubber dryer |
| CN102717058A (en) * | 2012-07-09 | 2012-10-10 | 莱芜钢铁集团有限公司 | Steelmaking continuous casting tundish cover and manufacturing process thereof |
| CN103343838A (en) * | 2013-07-24 | 2013-10-09 | 国家电网公司 | Pre-stress type cable fixing clamp |
| CN106988799A (en) * | 2015-12-10 | 2017-07-28 | 通用电气公司 | It is integrated into the metallic attachment system in composite construction |
| CN209856599U (en) * | 2019-04-03 | 2019-12-27 | 江苏鸿承机电设备有限公司 | High pressure resistant compensator with strong stability |
| CN209981481U (en) * | 2019-07-31 | 2020-01-21 | 河南盛泰科技有限公司 | Conductive busbar lap joint structure |
| CN112059130A (en) * | 2020-09-09 | 2020-12-11 | 铜陵有色兴铜机电制造有限公司 | Horizontal continuous crystallizer |
| CN212718635U (en) * | 2020-07-20 | 2021-03-16 | 山东华锐波纹管有限公司 | Anticorrosion expansion joint convenient to dismouting |
-
2021
- 2021-11-04 CN CN202111302410.8A patent/CN114001074A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH220315A (en) * | 1941-09-19 | 1942-03-31 | Rothfuchs Alfred | Clamping device for attaching electrical lead wires. |
| CN101876386A (en) * | 2009-04-28 | 2010-11-03 | 沐秀平 | Rotary compensator for heat supply network pipeline |
| CN102564102A (en) * | 2012-01-13 | 2012-07-11 | 安徽图强生化容器制造有限公司 | Sealing device for inner and outer cylinders of reclaimed rubber dryer |
| CN102717058A (en) * | 2012-07-09 | 2012-10-10 | 莱芜钢铁集团有限公司 | Steelmaking continuous casting tundish cover and manufacturing process thereof |
| CN103343838A (en) * | 2013-07-24 | 2013-10-09 | 国家电网公司 | Pre-stress type cable fixing clamp |
| CN106988799A (en) * | 2015-12-10 | 2017-07-28 | 通用电气公司 | It is integrated into the metallic attachment system in composite construction |
| CN209856599U (en) * | 2019-04-03 | 2019-12-27 | 江苏鸿承机电设备有限公司 | High pressure resistant compensator with strong stability |
| CN209981481U (en) * | 2019-07-31 | 2020-01-21 | 河南盛泰科技有限公司 | Conductive busbar lap joint structure |
| CN212718635U (en) * | 2020-07-20 | 2021-03-16 | 山东华锐波纹管有限公司 | Anticorrosion expansion joint convenient to dismouting |
| CN112059130A (en) * | 2020-09-09 | 2020-12-11 | 铜陵有色兴铜机电制造有限公司 | Horizontal continuous crystallizer |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |
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| RJ01 | Rejection of invention patent application after publication |