CN210387986U - Installation and protection device for laser displacement sensor - Google Patents
Installation and protection device for laser displacement sensor Download PDFInfo
- Publication number
- CN210387986U CN210387986U CN201920799033.5U CN201920799033U CN210387986U CN 210387986 U CN210387986 U CN 210387986U CN 201920799033 U CN201920799033 U CN 201920799033U CN 210387986 U CN210387986 U CN 210387986U
- Authority
- CN
- China
- Prior art keywords
- plate body
- welding gun
- hole
- plate
- waist
- 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
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses an installation and protection device for laser displacement sensor, it can conveniently adjust distance, contained angle between sensor and the welder, increases the protection for the sensor, improves life. A mounting and protecting device for a laser displacement sensor comprises a first welding gun clamp and a second welding gun clamp which are used for clamping and fixing a welding gun, wherein a first arc surface matched with the outer surface of the welding gun is formed on the first welding gun clamp, a second arc surface matched with the outer surface of the welding gun is also formed on the second welding gun clamp, the welding gun is clamped by the first arc surface and the second arc surface, and a first screw penetrates through the first welding gun clamp and the second welding gun clamp to be fixed; the second welding gun clamp is provided with a first blind hole and a second blind hole and is connected with an L-shaped connecting plate; the L-shaped connecting plate comprises a first plate body and a second plate body vertically connected with one side edge of the first plate body; a first threaded hole corresponding to the first blind hole is formed in the first plate body.
Description
Technical Field
The utility model belongs to the technical field of the laser welding machine, specifically speaking relates to an installation and protection device for laser displacement sensor.
Background
Before welding seams are welded by a welding gun on the mechanical arm, the position of the seams needs to be found through a laser displacement sensor connected with the welding gun, and the welding gun performs laser welding after the position of the sensor is found;
in the existing design, a sensor is arranged on one side of a welding gun, and the included angle and the distance between the sensor and the welding gun are not adjustable, so that the later-stage efficient welding is not facilitated;
there is not any between welder and the sensor to shelter from in the current design, and the sensor directly exposes in the environment, does not set up the safeguard measure, because arc light splashes and can lead to the fact the destruction to the sensor, and the injury to the sensor is very big, leads to the life significantly reduced of sensor, has still wasted the workman and has gone the cost of on-the-spot change sensor debugging when influencing welding quality, therefore this kind of problem all can appear in the back of seeking a majority of sensors.
Disclosure of Invention
The utility model aims at providing an installation and protection device for laser displacement sensor, it can conveniently adjust distance, contained angle between sensor and the welder, increases the protection for the sensor, improves life.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a mounting and protecting device for a laser displacement sensor comprises a first welding gun clamp and a second welding gun clamp which are used for clamping and fixing a welding gun, wherein a first arc surface matched with the outer surface of the welding gun is formed on the first welding gun clamp, a second arc surface matched with the outer surface of the welding gun is also formed on the second welding gun clamp, the welding gun is clamped by the first arc surface and the second arc surface, and a first screw penetrates through the first welding gun clamp and the second welding gun clamp to be fixed; the second welding gun clamp is provided with a first blind hole and a second blind hole and is connected with an L-shaped connecting plate; the L-shaped connecting plate comprises a first plate body and a second plate body vertically connected with one side edge of the first plate body; a first threaded hole corresponding to the first blind hole is formed in the first plate body, and a first waist-shaped hole corresponding to the second blind hole is formed in one side of the first threaded hole in the first plate body; the second screw is used for penetrating through the first threaded hole and the first waist-shaped hole to be connected with the second welding gun clamp; a second threaded hole is formed in the second plate body, and a second waist-shaped hole is formed in one side of the second threaded hole in the second plate body; the second plate body is connected with a fixing plate, the fixing plate comprises a third plate body connected with the second plate body and a fourth plate body vertically connected with one side edge of the third plate body, a third threaded hole corresponding to the second waist-shaped hole is formed in the third plate body, and a fourth threaded hole corresponding to the second threaded hole is formed in one side of the third threaded hole in the third plate body; the third screw is used for passing through the second threaded hole and the second waist-shaped hole to be connected with the fixing plate; a third waist-shaped hole is formed in the fourth plate body, and a fourth screw penetrates through the third waist-shaped hole to be connected with the shell of the laser displacement sensor; the first waist-shaped hole, the second waist-shaped hole and the third waist-shaped hole are used for adjusting the three-axis direction of the laser displacement sensor.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom of the third plate body is connected with an electromagnet connecting plate; the electromagnet connecting plate comprises a fifth plate body connected with the third plate body through screws and a sixth plate body vertically connected with one side edge of the fifth plate body, and the sixth plate body is connected with a push-pull electromagnet; the end part of a guide rod of the push-pull electromagnet is connected with a push-pull plate, the push-pull plate is used for shielding an outlet of the laser displacement sensor for emitting laser rays and an inlet for receiving the laser rays, and the push-pull plate is provided with a first through hole corresponding to the outlet of the laser rays and a second through hole corresponding to the inlet of the laser rays.
On the basis of the above scheme and as a preferable scheme of the scheme: : a first counter bore is formed in the first welding gun clamp, a first through hole is formed in the second welding gun clamp, and a first screw penetrates through the first counter bore to be connected with the first through hole.
On the basis of the above scheme and as a preferable scheme of the scheme: the number of the third waist-shaped holes is two, and the two third waist-shaped holes are arranged in parallel and used for adjusting the vertical direction of the laser displacement sensor.
On the basis of the above scheme and as a preferable scheme of the scheme: an insulating plate is clamped between the sixth plate body and the push-pull electromagnet.
On the basis of the above scheme and as a preferable scheme of the scheme: the end part of the guide rod of the push-pull electromagnet is provided with an external thread; the push-pull plate comprises a seventh plate body and an eighth plate body vertically connected with one side edge of the seventh plate body, the first through hole and the second through hole are formed in the seventh plate body, the eighth plate body is provided with a third through hole, and the end part of the guide rod penetrates through the third through hole and is fixed through a nut.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses an installation and protection device for laser displacement sensor realizes the adjustment of the triaxial direction of sensor through the waist shape hole of three different angles each other, can adjust different contained angles, interval between with the welder, and the practicality is stronger; in the welding, because arc light splashes and can lead to the fact destruction to the sensor, so increased protection device for the sensor externally to this improves the life of sensor, the utility model discloses, because the structure is succinct, not only can make the sensor conveniently seek when seeking the position, can also let sensor "live" more of a specified duration, consequently bigger improvement welding quality, saved the manpower and materials that the workman changed the sensor.
Drawings
Fig. 1 is a schematic diagram of the overall explosion structure of the present invention.
Fig. 2 is a schematic structural view of the installation welding gun of the present invention.
Fig. 3 is a schematic structural view of the first welding gun clamp and the second welding gun clamp of the present invention.
Fig. 4 is a schematic structural view of the first welding gun clamp and the second welding gun clamp of the present invention.
Fig. 5 is a schematic diagram of the overall explosion structure of the present invention.
Fig. 6 is a schematic view of the overall structure of the present invention.
Fig. 7 is a schematic structural view of the installation welding gun of the present invention.
Fig. 8 is a schematic view of the overall structure of the present invention.
Reference numerals: a welding gun 01, a first welding gun clamp 02, a first cambered surface 020, a first counter bore 021, a second welding gun clamp 03, a second cambered surface 030, a first through hole 031, a first blind hole 032, a second blind hole 033, a first plate 04, a first threaded hole 040, a first kidney-shaped hole 041, a second plate 05, a second threaded hole 050, a second kidney-shaped hole 051, a third plate 06, a third threaded hole 060, a fourth threaded hole 061, a fourth plate 07, a third kidney-shaped hole 070, a fifth plate 08, a sixth plate 09, a push-pull electromagnet 10, a guide rod end 100, a push-pull plate 11, a first through hole 110, a second through hole 111, a seventh plate 112, an eighth plate 113, an insulating plate 12, a laser displacement sensor 13, an outlet 130 and an inlet 131;
Detailed Description
The present invention will be further described with reference to the following detailed description;
the embodiment provides a mounting and protecting device for a laser displacement sensor, wherein a welding gun 01 is used for welding a gap on a workpiece; the welding gun clamping device comprises a first welding gun clamp 02 and a second welding gun clamp 03 which are used for clamping and fixing a welding gun, and the first welding gun clamp and the second welding gun clamp are both cuboid, so that the welding gun clamping device is convenient to process; the first welding gun clamp is provided with a first cambered surface 020 matched with the outer surface of the welding gun, the second welding gun clamp is also provided with a second cambered surface 030 matched with the outer surface of the welding gun, and the welding gun is clamped by the first cambered surface and the second cambered surface and passes through the first welding gun clamp and the second welding gun clamp by using a first screw to form fixation; a first counter bore 021 is formed in the first welding gun clamp, a first through hole 031 is formed in the second welding gun clamp, and a first screw penetrates through the first counter bore to be connected with the first through hole; the first welding gun clamp and the second welding gun clamp are split, so that the first welding gun clamp and the second welding gun clamp can be conveniently replaced and used, the cost is saved, and the first welding gun clamp and the second welding gun clamp are connected by screws, so that the first welding gun clamp and the second welding gun clamp are convenient to disassemble, assemble and maintain;
the second welding gun clamp is provided with a first blind hole 032 and a second blind hole 033, and the second welding gun clamp is connected with an L-shaped connecting plate; the L-shaped connecting plate comprises a first plate body 04 and a second plate body 05 which is vertically connected with one side edge of the first plate body; the outer contours of the first plate body and the second plate body can be split into any shape according to the requirements of the workpiece environment; a first threaded hole 040 corresponding to the first blind hole is formed in the first plate body, and a first waist-shaped hole 041 corresponding to the second blind hole is formed in one side of the first threaded hole in the first plate body; the second screw is used for penetrating through the first threaded hole and the first waist-shaped hole to be connected with the second welding gun clamp.
The first connecting plate realizes rotation adjustment through the first waist-shaped hole, a second screw is firstly inserted into the first threaded hole and is pre-fixed with the first blind hole, the first plate body is adjusted to a proper angle, and the other second screw passes through the first waist-shaped hole and is connected and fixed with the second blind hole; the laser displacement sensor is adjusted in one axial direction.
A second threaded hole 050 is formed in the second plate body, and a second waist-shaped hole 051 is formed in one side of the second threaded hole in the second plate body; the second plate body is connected with a fixing plate, and the fixing plate comprises a third plate body 06 connected with the second plate body and a fourth plate body 07 vertically connected with one side edge of the third plate body; a third threaded hole 060 corresponding to the second waist-shaped hole is formed in the third plate body, and a fourth threaded hole 061 corresponding to the second threaded hole is formed in one side of the third threaded hole in the third plate body; the third screw is used for passing through the second threaded hole and the second waist-shaped hole to be connected with the fixing plate.
The second plate body realizes rotation adjustment through the second waist-shaped hole, a third screw is firstly inserted into the second threaded hole and is pre-fixed with the fourth threaded hole, the second plate body rotates by a proper angle, and the other third screw passes through the second waist-shaped hole and is fixedly connected with the third threaded hole; and the laser displacement sensor is adjusted in the direction of the other axis.
A third waist-shaped hole 070 is formed in the fourth plate body, and a fourth screw penetrates through the third waist-shaped hole to be connected with the shell of the laser displacement sensor 13. After the laser displacement sensor is adjusted to a position suitable for the workpiece on the fourth plate body, a fourth screw penetrates through the third waist-shaped hole to be connected and fixed with the laser displacement sensor; the laser displacement sensor is adjusted in the direction of the remaining axis;
the first waist-shaped hole, the second waist-shaped hole and the third waist-shaped hole are used for adjusting the three-axis direction of the laser displacement sensor; the first waist-shaped hole is used for adjusting the front distance, namely the relative position of a laser line emitted by the laser displacement sensor and the welding gun; the second waist-shaped hole is used for adjusting a laser scanning position point of a laser line to enable a welding gun to correspond to a middle point of the laser line (the middle point of the laser line is a welding position of the welding gun), and the third waist-shaped hole is used for adjusting the installation distance of the sensor and the workpiece;
the installation process comprises the following steps: a welding gun is fixed on a mechanical arm (not shown in the figure), a first welding gun clamp and a second welding gun clamp are clamped and fixed on the outer surface of the welding gun, the second welding gun clamp is connected with a first plate body of an L-shaped connecting plate, a second plate body of the L-shaped connecting plate is connected with a third plate body of a fixing plate, and a fourth plate body of the fixing plate is connected with a shell of the laser displacement sensor; loosening the fourth screw, and adjusting the distance of the laser displacement sensor in the vertical direction, namely adjusting the distance in the Z-axis direction; loosening a third screw, adjusting the distance of the laser displacement sensor in the front-back direction, and adjusting the laser displacement sensor in the X-axis direction; loosening a second screw, adjusting the distance of the laser displacement sensor in the left-right direction, and adjusting the laser displacement sensor in the Y-axis direction; the welding efficiency is improved, and repeated disassembly and assembly are not needed;
furthermore, the number of the third waist-shaped holes is two, and the two third waist-shaped holes are arranged in parallel and used for adjusting the vertical direction of the laser displacement sensor; the two third waist-shaped holes are used, so that the adjustment is more stable, and the shaking and the deviation are not easy to occur;
further, the bottom of the third plate body is connected with an electromagnet connecting plate; the electromagnet connecting plate comprises a fifth plate body 08 connected with the third plate body through screws and a sixth plate body 09 vertically connected with one side edge of the fifth plate body, and the sixth plate body is connected with a push-pull electromagnet 10; the end part 100 of the guide rod of the push-pull electromagnet is connected with a push-pull plate 11, the push-pull plate is used for shielding an outlet of the laser displacement sensor for emitting laser rays and an inlet for receiving the laser rays, and the push-pull plate is provided with a first through hole 110 corresponding to the outlet of the laser rays and a second through hole 111 corresponding to the inlet of the laser rays.
The third plate body and the fifth plate body are connected by screws, and the sixth plate body and the push-pull type electromagnet are also connected by screws, so that the adjustment, the disassembly and the assembly are convenient; the push-pull electromagnet is the prior art, and is not described again here; the push-pull plate is controlled to move back and forth through the push-pull electromagnet, before welding of the welding gun, the laser displacement sensor is firstly located, the push-pull electromagnet pushes out the push-pull plate, an outlet of the laser displacement sensor for emitting a laser line and an inlet for receiving the laser line are not shielded by the push-pull plate, and the laser line respectively penetrates through the first through hole and the second through hole; after the laser displacement sensor is located, the electromagnet is pulled back to the push-pull plate, and the push-pull plate shields an outlet 130 for emitting a laser line and an inlet 131 for receiving the laser line; the welding gun welds the seam, so that the splashed arc light cannot touch the inlet and the outlet of the sensor, the sensor is not easy to damage, and the service life is prolonged;
furthermore, an insulating plate 12 is clamped between the sixth plate body and the push-pull electromagnet; the screw penetrates through the sixth plate body and the insulating plate to be connected with the push-pull electromagnet, and the insulating plate can ensure that static electricity generated in the working process can not influence the push-pull electromagnet;
the end part of the guide rod of the push-pull electromagnet is provided with external threads, the push-pull plate comprises a seventh plate body 112 and an eighth plate body 113 vertically connected with one side edge of the seventh plate body, a first through hole and a second through hole are formed in the seventh plate body, a third through hole is formed in the eighth plate body, and the end part of the guide rod penetrates through the third through hole and is fixed by a nut. The push-pull plate is fixed at the end part of the guide rod in a nut connection mode, so that later-stage adjustment and disassembly and assembly are facilitated.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides an installation and protection device for laser displacement sensor which characterized in that:
the welding gun clamping device comprises a first welding gun clamp and a second welding gun clamp which are used for clamping and fixing a welding gun, wherein a first arc surface matched with the outer surface of the welding gun is formed on the first welding gun clamp, a second arc surface matched with the outer surface of the welding gun is also formed on the second welding gun clamp, and the welding gun is clamped by the first arc surface and the second arc surface and passes through the first welding gun clamp and the second welding gun clamp by a first screw to be fixed;
the second welding gun clamp is provided with a first blind hole and a second blind hole and is connected with an L-shaped connecting plate; the L-shaped connecting plate comprises a first plate body and a second plate body vertically connected with one side edge of the first plate body; a first threaded hole corresponding to the first blind hole is formed in the first plate body, and a first waist-shaped hole corresponding to the second blind hole is formed in one side of the first threaded hole in the first plate body; the second screw is used for penetrating through the first threaded hole and the first waist-shaped hole to be connected with the second welding gun clamp;
a second threaded hole is formed in the second plate body, and a second waist-shaped hole is formed in one side of the second threaded hole in the second plate body; the second plate body is connected with a fixing plate, the fixing plate comprises a third plate body connected with the second plate body and a fourth plate body vertically connected with one side edge of the third plate body, a third threaded hole corresponding to the second waist-shaped hole is formed in the third plate body, and a fourth threaded hole corresponding to the second threaded hole is formed in one side of the third threaded hole in the third plate body; the third screw is used for passing through the second threaded hole and the second waist-shaped hole to be connected with the fixing plate;
a third waist-shaped hole is formed in the fourth plate body, and a fourth screw penetrates through the third waist-shaped hole to be connected with the shell of the laser displacement sensor; the first waist-shaped hole, the second waist-shaped hole and the third waist-shaped hole are used for adjusting the three-axis direction of the laser displacement sensor.
2. The mounting and protection device for a laser displacement sensor according to claim 1, wherein: the bottom of the third plate body is connected with an electromagnet connecting plate; the electromagnet connecting plate comprises a fifth plate body connected with the third plate body through screws and a sixth plate body vertically connected with one side edge of the fifth plate body, and the sixth plate body is connected with a push-pull electromagnet; the end part of a guide rod of the push-pull electromagnet is connected with a push-pull plate, the push-pull plate is used for shielding an outlet of the laser displacement sensor for emitting laser rays and an inlet for receiving the laser rays, and the push-pull plate is provided with a first through hole corresponding to the outlet of the laser rays and a second through hole corresponding to the inlet of the laser rays.
3. The mounting and protection device for a laser displacement sensor according to claim 1, wherein: a first counter bore is formed in the first welding gun clamp, a first through hole is formed in the second welding gun clamp, and a first screw penetrates through the first counter bore to be connected with the first through hole.
4. The mounting and protection device for a laser displacement sensor according to claim 1, wherein: the number of the third waist-shaped holes is two, and the two third waist-shaped holes are arranged in parallel and used for adjusting the vertical direction of the laser displacement sensor.
5. The mounting and protection device for a laser displacement sensor according to claim 2, wherein: an insulating plate is clamped between the sixth plate body and the push-pull electromagnet.
6. The mounting and protection device for a laser displacement sensor according to claim 2, wherein: the end part of the guide rod of the push-pull electromagnet is provided with an external thread; the push-pull plate comprises a seventh plate body and an eighth plate body vertically connected with one side edge of the seventh plate body, the first through hole and the second through hole are formed in the seventh plate body, the eighth plate body is provided with a third through hole, and the end part of the guide rod penetrates through the third through hole and is fixed through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920799033.5U CN210387986U (en) | 2019-05-29 | 2019-05-29 | Installation and protection device for laser displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920799033.5U CN210387986U (en) | 2019-05-29 | 2019-05-29 | Installation and protection device for laser displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210387986U true CN210387986U (en) | 2020-04-24 |
Family
ID=70347396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920799033.5U Active CN210387986U (en) | 2019-05-29 | 2019-05-29 | Installation and protection device for laser displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210387986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280241A (en) * | 2021-05-28 | 2021-08-20 | 中国飞机强度研究所 | Laser displacement sensor centre gripping frock |
| CN113523495A (en) * | 2021-07-21 | 2021-10-22 | 中汽（天津）汽车装备有限公司 | Robot with laser locating function |
| CN113936433A (en) * | 2021-12-17 | 2022-01-14 | 成都大汇智联科技有限公司 | High-precision intelligent monitoring station for early warning of hydropower engineering and geological disasters |
| CN114110353A (en) * | 2021-12-17 | 2022-03-01 | 成都大汇智联科技有限公司 | GNSS positioning module's adjustment mechanism |
-
2019
- 2019-05-29 CN CN201920799033.5U patent/CN210387986U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280241A (en) * | 2021-05-28 | 2021-08-20 | 中国飞机强度研究所 | Laser displacement sensor centre gripping frock |
| CN113523495A (en) * | 2021-07-21 | 2021-10-22 | 中汽（天津）汽车装备有限公司 | Robot with laser locating function |
| CN113936433A (en) * | 2021-12-17 | 2022-01-14 | 成都大汇智联科技有限公司 | High-precision intelligent monitoring station for early warning of hydropower engineering and geological disasters |
| CN114110353A (en) * | 2021-12-17 | 2022-03-01 | 成都大汇智联科技有限公司 | GNSS positioning module's adjustment mechanism |
| CN113936433B (en) * | 2021-12-17 | 2022-03-04 | 成都大汇智联科技有限公司 | High-precision intelligent monitoring station for early warning of hydropower engineering and geological disasters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210387986U (en) | Installation and protection device for laser displacement sensor | |
| CN204339168U (en) | A kind of multi-angle welding operation stand | |
| CN101269435A (en) | Three-dimensional automatic welding equipment for non-regular round tank | |
| CN208467506U (en) | Vision positioning laser soldering device | |
| CN110732817A (en) | multi-angle welding machine | |
| JP2012218069A (en) | Projection bolt feeder | |
| CN202861681U (en) | Multifunctional welding and clamping device | |
| CN208696512U (en) | A kind of automatic wire feed system | |
| CN208728922U (en) | A kind of laser welding apparatus being installed on robotic gun | |
| CN210254746U (en) | Protection device applied to laser displacement sensor | |
| CN216399249U (en) | Five numerically control grinder fixed length detection mechanism | |
| CN211331918U (en) | Multi-angle welding machine | |
| CN112720470B (en) | Mechanical arm TCP manual rapid calibration device and method for additive machining | |
| CN213289205U (en) | Horn mouth inner bearing positioning tool | |
| CN211783304U (en) | Automatic calibration module for XYZ coordinates of tool tip position | |
| CN207642996U (en) | Auto lamp instant and near light adjuster plectrum assembled fixture | |
| CN208033978U (en) | A kind of electrode adjustment head | |
| CN211418644U (en) | Fixing frame of nut supply unit in nut conveyor | |
| CN206230266U (en) | A kind of fixture for power transformer enclosure machining | |
| CN206568011U (en) | A kind of center caliberating device of milling tools | |
| CN211192675U (en) | Welding jig with prevent function that splashes | |
| CN210703410U (en) | Pipeline welding auxiliary device | |
| CN217442588U (en) | Automobile measuring support | |
| CN219811944U (en) | Lightning protection overvoltage protection device | |
| CN207858669U (en) | High-precision part positioning leans on position device with general clamping jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |