CN111059116B - Surface mounting device of tension sensor and operation method thereof - Google Patents
Surface mounting device of tension sensor and operation method thereof Download PDFInfo
- Publication number
- CN111059116B CN111059116B CN201911334937.1A CN201911334937A CN111059116B CN 111059116 B CN111059116 B CN 111059116B CN 201911334937 A CN201911334937 A CN 201911334937A CN 111059116 B CN111059116 B CN 111059116B
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning
- guide pillar
- adjusting bolt
- positioning pin
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 36
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 241000446313 Lamella Species 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- 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
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
Abstract
The invention discloses a patch device of a tension sensor and an operation method thereof, which are characterized in that: the rear guide pillar and the front guide pillar are arranged in mounting holes in the bottom plate, the middle plate is arranged on the rear guide pillar and the front guide pillar, the top plate is arranged at the top end of the rear guide pillar and the top end of the front guide pillar, the positioning aluminum core is arranged in the mounting holes in the bottom plate through the first positioning pin and the second positioning pin, the positioning plate is arranged in a rectangular groove in the bottom plate, the adjusting bolt is arranged in a threaded hole in the top plate, the tail part of the adjusting bolt is arranged in a threaded hole in the middle plate, the spring is arranged on the adjusting bolt, and two ends of the spring are respectively abutted to the top plate and the middle plate. The invention has simple structure, can ensure the consistency of pressure values and convenient processing in the pressurizing process through uniform displacement and deformation by the independent adjusting bolt, and only needs to change the size of the high-temperature rubber block and the pressure range of the adjusting bolt according to the different sizes of the inner holes of the elastic bodies without replacing other components.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a patch device of a tension sensor and an operation method of the patch device.
Background
At present, a paster device of a traditional sensor is in a plane paster, the purpose of the paster is to paste a strain gauge on an elastic element, the strain gauge and the elastic element deform together to output a signal finally, most devices for pasting the strain gauge on the periphery of an inner hole apply pressure for a mechanical spring, and the strain gauge is uniformly distributed on the elastic element in a composite silica gel mode. The conventional surface mounting device for the tension sensor is complex in structure, very complex in installation and maintenance, poor in adhesion stress control, incapable of adapting to the tension sensors with different specifications, and greatly shortened in application range.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a patch device of a tension sensor and an operation method thereof aiming at the defects of the prior art, the patch device is simple in structure, pressure values are consistent and convenient to process in the pressurizing process through uniform displacement and deformation through independent adjusting bolts, and only the size of a high-temperature rubber block and the pressure range of the adjusting bolts need to be changed according to different sizes of inner holes of elastic bodies without replacing other components.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a patch device of a tension sensor is characterized in that: the aluminum-plastic composite material positioning device comprises a bottom plate, a positioning plate, a limiting plate, an adjusting bolt, a handle, a rear U-shaped plug piece, a front U-shaped plug piece, a spring, a rear guide post, a top plate, a front guide post, a middle plate, a first positioning pin, a second positioning pin, a high-temperature rubber block and a positioning aluminum core, wherein the bottoms of the rear guide post and the front guide post are installed in an installation hole in the bottom plate through screws, annular clamping grooves are formed in the top ends of the rear guide post and the front guide post, the middle plate is installed on the rear guide post and the front guide post, the top plate is installed on the top ends of the rear guide post and the front guide post, the rear U-shaped plug piece is installed in the annular clamping groove in the rear guide post and pressed on the top plate, the front U-shaped plug piece is installed in the annular clamping groove in the front guide post and pressed on the top plate, the bottom plate is provided with an installation hole, and the positioning aluminum core is installed in an installation hole in the bottom plate through the first positioning pin and the second positioning pin, the high temperature rubber piece install in first locating pin and second locating pin head and high temperature rubber piece install in the locating plate mounting hole, the locating plate install in the rectangle recess on the bottom plate, limiting plate fixed mounting on the top surface of locating plate, handle fixed mounting on the locating plate, adjusting bolt install in roof screw hole and adjusting bolt afterbody install in the intermediate lamella screw hole, spring mounting on adjusting bolt and the spring both ends push up respectively on roof and intermediate lamella.
An operation method of a patch device of a tension sensor is characterized in that: the method comprises the following steps:
the method comprises the following steps: positioning and scribing are carried out on the elastic element, the strain gauge and the elastic element are coated with double-sided high-temperature curing glue together, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to prevent the strain gauge from being damaged by external force;
step two: the handle is lifted upwards, and the high-temperature rubber block on the positioning plate moves upwards along the first positioning pin and the second positioning pin;
step three: then, preliminarily bonding the strain gauge with the elastic element, and placing the strain gauge and the elastic element on a positioning aluminum core in a corresponding positioning groove opening of the bottom plate;
step four: the handle is loosened, and the high-temperature rubber block on the positioning plate moves downwards along the first positioning pin and the second positioning pin until the high-temperature rubber block is pressed on the product which is preliminarily bonded;
step five: rotating the adjusting bolt to press the middle plate on the high-temperature rubber block, continuing to rotate the adjusting bolt to compress the spring, applying pressure to the middle plate, compressing the high-temperature rubber block by the displacement generated by the middle plate, and performing uniform circumferential stretching on the high-temperature rubber block (15) to convert the pressure into a strain gauge so as to realize pressurized patch curing;
step six: and rotating the adjusting bolt to reset the adjusting bolt to an initial state, lifting the handle upwards, and taking out the product after the paster is finished.
The head of the adjusting bolt is carved with anti-skid stripes.
The handle is of a cylindrical rod-shaped structure, and anti-skid stripes are carved on the outer cylindrical surface of the handle.
According to the invention, positioning and scribing are carried out on the elastic element, the strain gauge and the elastic element are coated with double-sided high-temperature curing glue together, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to prevent the strain gauge from being damaged by external force; then, preliminarily bonding the strain gauge with the elastic element, and placing the strain gauge into a corresponding positioning notch of the bottom plate; after the elastic element who glues the strain gauge is placed in place, pass left guide pillar and right guide pillar with the intermediate lamella, contact with the high temperature rubber piece, pass left guide pillar and right guide pillar with the roof, carry out spacing fixed through U type chock block, at last with adjusting bolt precession roof threaded hole, compress inside spring through rotatory adjusting bolt, apply pressure to the intermediate lamella, the intermediate lamella produces displacement compression high temperature rubber piece, the high temperature rubber piece carries out even circumference and stretches to change the pressure correspondence strain gauge, thereby realize the solidification of pressurization paster.
The present invention can solve the following problems:
(1) the patch is stuck in the hole, so that the uniformity of the overall sticking stress control is good;
(2) the installation is convenient, the error caused by manual assembly is reduced, and the working efficiency is improved;
(3) the pressure of a single sensor can be reliably controlled.
The invention has the advantages that:
(1) through the independent adjusting bolts, the pressure values can be consistent in the pressurizing process through uniform displacement and deformation;
(2) the number of assembling parts is reduced, and the rapid U-shaped plug piece is adopted, so that the manual integral assembling time is reduced;
(3) the compression mode of the elastic element and the strain gauge is that the high-temperature rubber block is subjected to circumferential overall expansion, and other redundant component force does not exist, so that the pressure range can be uniformly distributed, and the consistency of the overall patch is controlled;
(4) processing is convenient, can adopt simple and easy material alright with the equipment, can used repeatedly, to the elastomer hole variation in size, only need change the size and the pressure range of adjusting bolt of high temperature rubber piece, need not to change other subassemblies.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
FIG. 4 is a bottom view of the structure of the present invention;
figure 5 is a cross-sectional view of the a-a structure of the present invention.
Wherein the reference numerals are: the device comprises a bottom plate 1, a positioning plate 2, a limiting plate 3, an adjusting bolt 4, a handle 5, a rear U-shaped plug piece 6, a front U-shaped plug piece 7, a spring 8, a rear guide pillar 9, a top plate 10, a front guide pillar 11, an intermediate plate 12, a first positioning pin 13, a second positioning pin 14, a high-temperature rubber block 15 and a positioning aluminum core 16.
Detailed Description
The following further describes embodiments of the present invention in conjunction with the attached figures:
the first embodiment is as follows:
a patch device of a tension sensor is characterized in that: comprises a bottom plate 1, a positioning plate 2, a limiting plate 3, an adjusting bolt 4, a handle 5, a rear U-shaped plug sheet 6, a front U-shaped plug sheet 7, a spring 8, a rear guide post 9, a top plate 10, a front guide post 11, an intermediate plate 12, a first positioning pin 13, a second positioning pin 14, a high-temperature rubber block 15 and a positioning aluminum core 16, wherein the bottoms of the rear guide post 9 and the front guide post 11 are all installed in an installation hole on the bottom plate 1 through screws, the top ends of the rear guide post 9 and the front guide post 11 are respectively provided with an annular clamping groove, the intermediate plate 12 is installed on the rear guide post 9 and the front guide post 11, the top plate 10 is installed at the top ends of the rear guide post 9 and the front guide post 11, the rear U-shaped plug sheet 6 is installed in the annular clamping groove on the rear guide post 9, the rear U-shaped plug sheet 6 is pressed on the top plate 10, the front U-shaped plug sheet 7 is installed in the annular clamping groove on the front guide post 11, and the front U-shaped plug sheet 7 is pressed on the top plate 10, bottom plate 1 on be equipped with the mounting hole, location aluminium core 16 install in the mounting hole on bottom plate 1 through first locating pin 13 and second locating pin 14, high temperature rubber piece 15 install in first locating pin 13 and 14 heads of second locating pin and high temperature rubber piece 15 install in 2 mounting holes of locating plate, locating plate 2 install in the rectangle recess on bottom plate 1, 3 fixed mounting of limiting plate on the top surface of locating plate 2, 5 fixed mounting on locating plate 2 of handle, adjusting bolt 4 install in roof 10 screw holes and adjusting bolt 4 afterbody install in intermediate plate 12 screw holes, spring 8 install on adjusting bolt 4 and 8 both ends of spring push up respectively on roof 10 and intermediate plate 12.
In the embodiment, the head of the adjusting bolt 4 is engraved with anti-slip stripes.
In the embodiment, the handle 5 is a cylindrical rod-shaped structure, and anti-skid stripes are carved on the outer cylindrical surface of the handle 5.
Example two:
an operation method of a patch device of a tension sensor is characterized in that: the method comprises the following steps:
the method comprises the following steps: positioning and scribing are carried out on the elastic element, the strain gauge and the elastic element are coated with double-sided high-temperature curing glue together, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to prevent the strain gauge from being damaged by external force;
step two: the handle 5 is lifted upwards, and the high-temperature rubber block 15 on the positioning plate 2 moves upwards along the first positioning pin 13 and the second positioning pin 14;
step three: then, preliminarily bonding the strain gauge with the elastic element, and placing the strain gauge and the elastic element on a positioning aluminum core 16 in a corresponding positioning groove of the bottom plate 1;
step four: the handle 5 is loosened, and the high-temperature rubber block 15 on the positioning plate 2 moves downwards along the first positioning pin 13 and the second positioning pin 14 until the high-temperature rubber block 15 presses on the preliminarily bonded product;
step five: rotating the adjusting bolt 4, pressing the middle plate 12 on the high-temperature rubber block 15, continuing to rotate the adjusting bolt 4 to compress the spring 8, applying pressure to the middle plate 12, compressing the high-temperature rubber block 15 by the displacement generated by the middle plate 12, and uniformly and circumferentially stretching the high-temperature rubber block 15 to convert the pressure to a strain gauge, thereby realizing the curing of the pressurized patch;
step six: and rotating the adjusting bolt 4 to reset the adjusting bolt to an initial state, lifting the handle 5 upwards, and taking out the product after the surface mounting is finished.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (4)
1. A patch device of a tension sensor is characterized in that: comprises a bottom plate (1), a positioning plate (2), a limiting plate (3), an adjusting bolt (4), a handle (5), a rear U-shaped plug sheet (6), a front U-shaped plug sheet (7), a spring (8), a rear guide pillar (9), a top plate (10), a front guide pillar (11), a middle plate (12), a first positioning pin (13), a second positioning pin (14), a high-temperature rubber block (15) and a positioning aluminum core (16), wherein the bottoms of the rear guide pillar (9) and the front guide pillar (11) are all installed in an installation hole on the bottom plate (1) through screws, annular clamping grooves are respectively formed in the top end of the rear guide pillar (9) and the top end of the front guide pillar (11), the middle plate (12) is installed on the rear guide pillar (9) and the front guide pillar (11), the top plate (10) is installed at the top end of the rear guide pillar (9) and the top end of the front guide pillar (11), the rear U-shaped plug sheet (6) is installed in the annular clamping groove on the rear guide pillar (9), and the top plate (6, the front U-shaped plug sheet (7) is arranged in an annular clamping groove on a front guide post (11) and the front U-shaped plug sheet (7) is pressed on a top plate (10), a mounting hole is arranged on a bottom plate (1), a positioning aluminum core (16) is arranged in the mounting hole on the bottom plate (1) through a first positioning pin (13) and a second positioning pin (14), a high-temperature rubber block (15) is arranged at the head of the first positioning pin (13) and the head of the second positioning pin (14) and the high-temperature rubber block (15) is arranged in the mounting hole of the positioning plate (2), the positioning plate (2) is arranged in a rectangular groove on the bottom plate (1), a limiting plate (3) is fixedly arranged on the top surface of the positioning plate (2), a handle (5) is fixedly arranged on the positioning plate (2), an adjusting bolt (4) is arranged in a threaded hole of the top plate (10) and the tail of the adjusting bolt (4) is arranged in a threaded hole of a middle plate (12), the spring (8) is installed on the adjusting bolt (4) and two ends of the spring (8) are respectively propped against the top plate (10) and the middle plate (12).
2. A patch device for a tension sensor as claimed in claim 1, wherein: the head of the adjusting bolt (4) is engraved with anti-skid stripes.
3. A patch device for a tension sensor as claimed in claim 1, wherein: the handle (5) is of a cylindrical rod-shaped structure, and anti-skid stripes are engraved on the outer cylindrical surface of the handle (5).
4. A method of operating a patch device for a tension sensor according to any one of claims 1-3, characterized in that: the method comprises the following steps:
the method comprises the following steps: positioning and scribing are carried out on the elastic element, the strain gauge and the elastic element are coated with double-sided high-temperature curing glue together, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to prevent the strain gauge from being damaged by external force;
step two: the handle (5) is lifted upwards, and at the moment, the high-temperature rubber block (15) on the positioning plate (2) moves upwards along the first positioning pin (13) and the second positioning pin (14);
step three: then, preliminarily bonding the strain gauge with the elastic element, and placing the strain gauge and the elastic element on a positioning aluminum core (16) in a corresponding positioning groove opening of the bottom plate (1);
step four: the handle (5) is loosened, and the high-temperature rubber block (15) on the positioning plate (2) moves downwards along the first positioning pin (13) and the second positioning pin (14) until the high-temperature rubber block (15) is pressed on the product which is preliminarily bonded;
step five: rotating the adjusting bolt (4), pressing the middle plate (12) on the high-temperature rubber block (15), continuing to rotate the adjusting bolt (4) to compress the spring (8), applying pressure to the middle plate (12), generating displacement by the middle plate (12) to compress the high-temperature rubber block (15), and uniformly circumferentially stretching the high-temperature rubber block (15) to convert the pressure into a strain gauge, thereby realizing the curing of the pressurized patch;
step six: and rotating the adjusting bolt (4) to reset the adjusting bolt to an initial state, lifting the handle (5) upwards, and taking out the product after the paster is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334937.1A CN111059116B (en) | 2019-12-23 | 2019-12-23 | Surface mounting device of tension sensor and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334937.1A CN111059116B (en) | 2019-12-23 | 2019-12-23 | Surface mounting device of tension sensor and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111059116A CN111059116A (en) | 2020-04-24 |
| CN111059116B true CN111059116B (en) | 2021-07-20 |
Family
ID=70301442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911334937.1A Active CN111059116B (en) | 2019-12-23 | 2019-12-23 | Surface mounting device of tension sensor and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111059116B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525063B (en) * | 2020-11-13 | 2023-02-28 | 中航电测仪器股份有限公司 | Paster pressurizing device and method for sensor |
| CN115030943A (en) * | 2022-06-29 | 2022-09-09 | 安徽蓝海之光科技有限公司 | A paste device for resistance strain gauge |
| CN115655832A (en) * | 2022-12-09 | 2023-01-31 | 华芯半导体研究院(北京)有限公司 | Compound semiconductor epitaxial wafer Hall sample preparation device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH678353A5 (en) * | 1989-03-23 | 1991-08-30 | Alusuisse Lonza Services Ag | Butt joint for plates and/or profiles |
| CN204327687U (en) * | 2014-11-21 | 2015-05-13 | 建德市横山钨业有限公司 | A kind of moulding frock |
| CN106332540B (en) * | 2015-07-08 | 2023-11-28 | 杭州职业技术学院 | Chip mounter and method |
| CN205298184U (en) * | 2016-01-22 | 2016-06-08 | 中国工程物理研究院总体工程研究所 | Portable foil gage bonding device |
| DE102017004202A1 (en) * | 2017-04-29 | 2018-10-31 | Audi Ag | Method and device for producing a joint connection between two components by means of snap connection elements |
| CN109382773B (en) * | 2017-08-02 | 2021-05-28 | 天津三环乐喜新材料有限公司 | Compressing clamp |
| EP3514566A1 (en) * | 2018-01-19 | 2019-07-24 | Centre National d'Etudes Spatiales | Indoor positioning surface waveguide |
| CN109519455B (en) * | 2019-01-09 | 2023-12-15 | 常州纺织服装职业技术学院 | Sensor patch pressing device and using method thereof |
-
2019
- 2019-12-23 CN CN201911334937.1A patent/CN111059116B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111059116A (en) | 2020-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111059116B (en) | Surface mounting device of tension sensor and operation method thereof | |
| CN203627455U (en) | Adhering clamp of automobile drum brake shoe assembly | |
| CN112247474A (en) | Thin-wall annular assembly sizing device | |
| CN112212775B (en) | Cambered surface thin-wall part detection and deformation prevention device and use method | |
| CN215487057U (en) | Be applied to quick frock clamp of paster | |
| CN208595129U (en) | A kind of efficient metal strain meter sticker | |
| CN114962253A (en) | Rotor and shaft mounting structure, claw pump and dismounting method | |
| CN107150082A (en) | A kind of upper die of bending machine hydraulic clamp | |
| CN109483445B (en) | Gapless butting and pressing device for radome and assembling method | |
| CN112629811A (en) | Multifunctional wind tunnel balance strain gauge tabletting device | |
| CN114833016B (en) | Gluing device | |
| CN207345134U (en) | A kind of pressure-bearing device for press bench | |
| CN112518286A (en) | High-pressure spring type press-fitting rubber shock absorber die | |
| CN219132173U (en) | Tool for disassembling and assembling transmission shaft assembly bracket | |
| CN112460118B (en) | Pressing jig and pressing method | |
| CN209562805U (en) | A kind of blow pressure device for loudspeaker and locating branch slice bonding | |
| CN109175963A (en) | A kind of novel elliptic cam assembly deflections tooling | |
| CN215893923U (en) | Airtightness testing equipment | |
| CN216300666U (en) | Online replacement tool for elastic wheel | |
| CN113701941B (en) | Force-measuring environment-friendly sheath curing and pressurizing device | |
| CN209851648U (en) | Pressurization and pressure maintaining jig | |
| CN214354300U (en) | Inner tube of a tyre production is with pasting mouth compacting mechanism | |
| CN214196884U (en) | Small-size curved surface spare cementing pressurization frock | |
| CN210615702U (en) | High-pressure spring type press-fitting rubber shock absorber die | |
| CN220781056U (en) | Upper cover dispensing tool |
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 |