CN116056364A - Welding fixing device for double-sided PCB circuit board - Google Patents

Welding fixing device for double-sided PCB circuit board Download PDF

Info

Publication number
CN116056364A
CN116056364A CN202211701080.4A CN202211701080A CN116056364A CN 116056364 A CN116056364 A CN 116056364A CN 202211701080 A CN202211701080 A CN 202211701080A CN 116056364 A CN116056364 A CN 116056364A
Authority
CN
China
Prior art keywords
telescopic
rotary
clamping plate
double
circuit board
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
Application number
CN202211701080.4A
Other languages
Chinese (zh)
Inventor
刘维富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Suichuan Light Velocity Electronic Co ltd
Original Assignee
Jiangxi Suichuan Light Velocity Electronic Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Suichuan Light Velocity Electronic Co ltd filed Critical Jiangxi Suichuan Light Velocity Electronic Co ltd
Priority to CN202211701080.4A priority Critical patent/CN116056364A/en
Publication of CN116056364A publication Critical patent/CN116056364A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15Position of the PCB during processing
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15Position of the PCB during processing
    • H05K2203/1563Reversing the PCB
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

The invention discloses a welding and fixing device of a double-sided PCB (printed Circuit Board), which comprises a base and a rotary slide rail, wherein the top end of the base is connected with the rotary slide rail, one end of the rotary slide rail is provided with a telescopic base, one side of the telescopic base is provided with a threaded knob, the top end of the telescopic base is connected with a telescopic head, one end of the telescopic head is provided with a threaded knob, one end of the telescopic head is connected with a rotary clamping plate, one side of the rotary clamping plate is provided with a threaded knob, the rotary clamping plate is connected with a telescopic clamping plate, and the telescopic clamping plate is connected with the double-sided PCB. This welding fixture of two-sided PCB circuit board, when welding electronic components to two-sided PCB circuit board, through the last fixed rotating head of rotatory splint, make it can carry out the operation of rotatory turn-over after the welding work of accomplishing one side, be favorable to whole welding efficiency's improvement.

Description

Welding fixing device for double-sided PCB circuit board
Technical Field
The invention relates to the technical field of PCB circuit boards, in particular to a welding and fixing device for a double-sided PCB circuit board.
Background
The PCB circuit board is also called a printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electrically connecting the electronic component with each other, is divided into three large categories of a single panel, a double panel and a multi-layer circuit board according to the layer number, the double panel is derived from the single panel, when the wiring of the single panel cannot meet the requirement of the electronic component, the double panel is needed, both sides of the double-sided PCB circuit board are provided with wirings, and the wirings between the double-sided PCB circuit board and the single-sided PCB circuit board can be conducted through the through holes, so that the double-sided PCB circuit board and the single-sided PCB circuit board form required network connection.
Retrieved, as in patent number: 201921351944.8 is a compressing and fixing device of a circuit board, and particularly discloses a compressing and fixing device of a circuit board, which comprises an operation platform, wherein the operation platform comprises an operation platform body, two fixed compressing mechanisms and two movable compressing mechanisms; two T-shaped sliding grooves and rectangular notches are formed in the operating platform body, the fixed pressing mechanism comprises a first L-shaped base, a first sliding pressing block, a first lead screw and a first motor, and the movable pressing mechanism comprises a second L-shaped base, a T-shaped sliding block, a second sliding pressing block and a second lead screw. .
The above-mentioned circuit board compressing and fixing device can only weld electronic components on one side of the circuit board when fixing the double-sided PCB circuit board, and then the double-sided circuit board needs to be removed and fixed again when welding on the other side of the circuit board, so that the whole welding efficiency is low, and the novel design is performed on the basis of the original welding and fixing device of the double-sided PCB circuit board aiming at the problems.
Disclosure of Invention
The invention aims to provide a welding and fixing device for a double-sided PCB (printed Circuit Board) so as to solve the problem that the whole welding efficiency is low because the double-sided PCB is only required to be removed and fixed again when one side of the double-sided PCB is fixed and then the other side of the double-sided PCB is welded.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a welded fastening device of two-sided PCB circuit board, includes base and rotatory slide rail, the top of base is connected with rotatory slide rail, and the one end of rotatory slide rail is equipped with flexible base, one side of flexible base is equipped with the screw thread knob, the bottom of flexible base is equipped with the spring, the top of flexible base is connected with flexible head, and the one end of flexible head is equipped with the screw thread knob, the one end of flexible head is connected with rotatory splint, and one side of rotatory splint is equipped with the screw thread knob, rotatory splint link to each other with flexible splint, and flexible splint link to each other with two-sided PCB circuit board to two-sided PCB circuit board links to each other with rotatory splint, one side of base is equipped with a plurality of bamboo section poles, and the top installation of bamboo section pole is fixed with the magnifying glass.
Preferably, a rotating head a is arranged at the center of the top of the base, and a rotating connection structure is formed by the rotating head a and a rotating groove a on the rotating slide rail.
Preferably, both ends of the rotary slide rail are provided with slide rails a, a sliding connection structure is formed by the slide rails a and sliding blocks arranged on the telescopic base, one side of the rotary slide rail is provided with a threaded knob, and the threaded knob and the rotary slide rail form a threaded connection structure.
Preferably, the telescopic base is arranged at two ends of the rotary slide rail, the inside of the telescopic base is of a hollow structure and is provided with a sliding block at the bottom of the sliding groove, a spring is arranged on the sliding block, a sliding rear connecting structure is formed by the sliding groove and the telescopic head, one side of the telescopic base is provided with a threaded knob, and the threaded knob and the telescopic base form a threaded connecting structure.
Preferably, a rotary groove b is formed in one side of the top end of the telescopic head, a rotary connecting structure is formed by the rotary groove b and the rotary head b arranged on the rotary clamping plate, and a threaded knob is arranged on one side of the top end of the telescopic head, and the threaded knob and the telescopic head form a threaded connecting structure.
Preferably, one end of the rotating clamping plate is provided with a rotating head b, the other end of the rotating clamping plate is provided with a clamping groove a, the width of the clamping groove a is slightly larger than the thickness of the double-sided PCB, the inside of the rotating clamping plate is penetrated by the telescopic clamping plate and forms a sliding connection structure with the sliding rail b, one end of the rotating clamping plate is provided with a threaded knob, and the threaded knob and the rotating clamping plate form a threaded connection structure.
Preferably, the telescopic clamping plate is provided with a clamping groove b, and the width of the clamping groove b is slightly larger than the thickness of the double-sided PCB.
Preferably, the top of bamboo joint pole is equipped with spherical protruding bottom and is equipped with spherical recess, and spherical recess's size is equal to spherical recess's size to one side of base is installed to the mode that a plurality of bamboo joint pole adopted first connection, and the magnifying glass is installed on the top of bamboo joint pole.
Compared with the prior art, the invention has the beneficial effects that: the welding and fixing device of the double-sided PCB circuit board,
1. when the electronic components are welded on the double-sided PCB, the upper fixed rotating head of the rotating clamping plate can rotate and turn over after one-sided welding work is completed, so that the improvement of the whole welding efficiency is facilitated;
2. the staff can slide the adjustment to flexible splint, flexible base, and fixing device can be applicable to the circuit board of various size specifications in certain limit to make the circuit board can be fixed more stable under the centre gripping of centre gripping groove a and centre gripping groove b, be favorable to the going on of welding work.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole cross-sectional structure of the present invention;
FIG. 3 is a schematic top view of the overall structure of the present invention;
FIG. 4 is a schematic diagram of the overall front view of the present invention;
FIG. 5 is a schematic diagram of the overall side view of the present invention;
fig. 6 is a schematic diagram of a connection structure between a rotary clamping plate and a double-sided PCB circuit board according to the present invention.
In the figure: 1. a base; 101. a rotating head a; 2. rotating the slide rail; 201. a sliding rail a; 202. a rotary groove a; 3. a telescopic base; 301. a sliding block; 302. a sliding groove; 4. a retractable head; 401. a rotary groove b; 5. rotating the clamping plate; 501. a sliding rail b; 502. a rotating head b; 503. a clamping groove a; 6. a telescopic clamping plate; 601. a clamping groove b; 7. a bamboo node rod; 701. spherical protrusions; 702. a spherical groove; 8. a magnifying glass; 9. a threaded knob; 10. double-sided PCB circuit board; 11. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the welding fixing device for the double-sided PCB circuit board comprises a base 1 and a rotary slide rail 2, wherein the top end of the base 1 is connected with the rotary slide rail 2, one end of the rotary slide rail 2 is provided with a telescopic base 3, one side of the telescopic base 3 is provided with a threaded knob 9, the bottom end of the telescopic base 3 is provided with a spring 11, the top end of the telescopic base 3 is connected with a telescopic head 4, one end of the telescopic head 4 is provided with the threaded knob 9, one end of the telescopic head 4 is connected with a rotary clamping plate 5, one side of the rotary clamping plate 5 is provided with the threaded knob 9, the rotary clamping plate 5 is connected with a telescopic clamping plate 6, the telescopic clamping plate 6 is connected with a double-sided PCB circuit board 10, the double-sided PCB circuit board 10 is connected with the rotary clamping plate 5, one side of the base 1 is provided with a plurality of bamboo joint rods 7, and the top of the bamboo joint rods 7 is fixedly provided with a magnifier 8;
the center of the top of the base 1 is provided with a rotating head a101, a rotating connection structure is formed by the rotating head a101 and a rotating groove a202 on the rotating slide rail 2, and the subsequent welding operation is facilitated by adjusting the rotating angle of the rotating slide rail 2;
both ends of the rotary slide rail 2 are provided with slide rails a201, a sliding connection structure is formed by the slide rails a201 and a sliding block 301 arranged on the telescopic base 3, one side of the rotary slide rail 2 is provided with a threaded knob 9, and the threaded knob 9 and the rotary slide rail 2 form a threaded connection structure, so that the angle of the rotary slide rail 2 can be fixed conveniently through the rotation of the threaded knob 9, and the rotary slide rail 2 cannot slide during subsequent welding;
the telescopic base 3 is arranged at two ends of the rotary slide rail 2, the inside of the telescopic base 3 is of a hollow structure and is provided with a sliding block 301 at the bottom of a sliding groove 302, a spring 11 is arranged on the sliding block 301, the sliding block 301 and the telescopic head 4 form a sliding rear connection structure through the sliding groove 302, one side of the telescopic base 3 is provided with a threaded knob 9, the threaded knob 9 and the telescopic base 3 form a threaded connection structure, and therefore the telescopic length of the telescopic head 4 is conveniently adjusted, the height of the double-sided PCB 10 can be adjusted, and the telescopic head 4 is fixed through screwing the threaded knob 9;
a rotary groove b401 is formed in one side of the top end of the telescopic head 4, a rotary connection structure is formed by the rotary groove b401 and a rotary head b502 arranged on the rotary clamping plate 5, a threaded knob 9 is arranged on one side of the top end of the telescopic head 4, and the threaded knob 9 and the telescopic head 4 form a threaded connection structure, so that the rotary clamping plate can be conveniently rotated through the rotation of the rotary head b502, the rotary overturning operation can be performed after one-side welding operation is completed, and the rotary angle of the rotary clamping plate 5 can be fixed through screwing the threaded knob 9;
one end of the rotary clamping plate 5 is provided with a rotary head b502, the other end of the rotary clamping plate 5 is provided with a clamping groove a503, the width of the clamping groove a503 is slightly larger than the thickness of the double-sided PCB 10, the inside of the rotary clamping plate 5 is penetrated by the telescopic clamping plate 6 and forms a sliding connection structure with the sliding rail b501, one end of the rotary clamping plate 5 is provided with a threaded knob 9, the threaded knob 9 and the rotary clamping plate 5 form a threaded connection structure, so that the double-sided PCB 10 can be firmly fixed conveniently through the clamping of the clamping groove a503, the side surface of the double-sided PCB 10 can be fixed through sliding the telescopic clamping plate 6, and the sliding distance of the telescopic clamping plate 6 can be fixed through screwing the threaded knob 9;
the telescopic clamping plate 6 is provided with the clamping groove b601, and the width of the clamping groove b601 is slightly larger than the thickness of the double-sided PCB 10, so that the double-sided PCB 10 can be firmly fixed conveniently through the clamping of the clamping groove b 601;
the top of the bamboo node rod 7 is provided with a spherical bulge 701, the bottom of the bamboo node rod 7 is provided with a spherical groove 702, the size of the spherical groove 702 is equal to that of the spherical groove 702, a plurality of bamboo node rods 7 are installed on one side of the base 1 in a first connection mode, and the top of the dry bamboo node rod 7 is provided with a magnifier 8, so that the angle of the magnifier 8 at the top can be adjusted randomly conveniently through the head-to-tail connection of the plurality of bamboo node rods 7, and the magnifier 8 can be aligned to a circuit board through the angle adjustment when the electronic component welding operation is performed, so that the electronic component welding operation can be more accurate;
working principle: according to fig. 1-6, firstly, the worker unscrews the rotation of the screw knob 9 on the rotary clamping plate 5, so that the telescopic clamping plate 6 can freely slide in the rotary clamping plate 5, then clamps the double-sided PCB circuit board 10 in the middle of the rotary clamping plate 5 at two ends, clamps the double-sided PCB circuit board 10 in the clamping groove a503 under the elastic deformation of the spring 11, then adjusts the position of the telescopic clamping plate 6, so that the clamping groove b601 clamps the double-sided PCB circuit board 10, then screws the screw knob 9 on the rotary clamping plate 5, thereby fixing the double-sided PCB circuit board 10 more stably, then, by adjusting the rotation angle of the rotary clamping plate 5, the rope height of the telescopic head 4 and the rotation angle of the rotary sliding rail 2, the later welding work is facilitated, the screw knob 9 on the rotary sliding rail 2, the telescopic base 3 and the telescopic head 4 is screwed and fixed after the adjustment is finished, so that when one side of the circuit board is welded with electronic components, the double-sided PCB circuit board 10 can be fixed more stably, after the welding work is finished, the whole electronic components can be welded on one side of the base of the double-sided PCB circuit board 10 by the rotary clamping plate 5, the whole electronic components can be accurately welded on the side of the base 7, the electronic components can be welded on the side of the electronic components by the base 7, and the electronic components can not be accurately set by setting the welding device in the technical specifications.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a two-sided PCB circuit board's welded fastening device, includes base (1) and rotatory slide rail (2), its characterized in that: the utility model discloses a telescopic base, including base (1), telescopic base (3), rotary clamping plate (5), telescopic base (3), telescopic base (4), rotary clamping plate (5), telescopic clamping plate (6) and double-sided PCB circuit board (10) link to each other, the bottom of telescopic base (3) is equipped with spring (11), the top of telescopic base (3) is connected with telescopic head (4), and telescopic head (4)'s one end is equipped with screw knob (9), telescopic head (4)'s one end is connected with rotary clamping plate (5), and one side of rotary clamping plate (5) is equipped with screw knob (9), rotary clamping plate (5) link to each other with telescopic clamping plate (6), and double-sided PCB circuit board (10) link to each other with rotary clamping plate (5), one side of base (1) is equipped with a plurality of bamboo section poles (7), and the top installation of bamboo section pole (7) is fixed with magnifying glass (8).
2. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: the rotary head a (101) is arranged at the center of the top of the base (1), and a rotary connection structure is formed by the rotary head a (101) and a rotary groove a (202) on the rotary slide rail (2).
3. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: both ends of the rotary slide rail (2) are provided with slide rails a (201), a sliding connection structure is formed by the slide rails a (201) and sliding blocks (301) arranged on the telescopic base (3), one side of the rotary slide rail (2) is provided with a threaded knob (9), and the threaded knob (9) and the rotary slide rail (2) form a threaded connection structure.
4. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: the telescopic base (3) is arranged at two ends of the rotary sliding rail (2), the inside of the telescopic base (3) is of a hollow structure and is provided with a sliding block (301) at the bottom of a sliding groove (302), a spring (11) is arranged on the sliding block (301), the sliding block (301) and the telescopic head (4) form a sliding rear connection structure through the sliding groove (302), one side of the telescopic base (3) is provided with a threaded knob (9), and the threaded knob (9) and the telescopic base (3) form a threaded connection structure.
5. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: one side at the top end of the telescopic head (4) is provided with a rotary groove b (401), a rotary connecting structure is formed by the rotary groove b (401) and a rotary head b (502) arranged on the rotary clamping plate (5), one side at the top end of the telescopic head (4) is provided with a threaded knob (9), and the threaded knob (9) and the telescopic head (4) form a threaded connecting structure.
6. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: one end of the rotating clamping plate (5) is provided with a rotating head b (502), the other end of the rotating clamping plate is provided with a clamping groove a (503), the width of the clamping groove a (503) is slightly larger than the thickness of the double-sided PCB (10), the inside of the rotating clamping plate (5) is penetrated by the telescopic clamping plate (6) and forms a sliding connection structure with the sliding rail b (501), one end of the rotating clamping plate (5) is provided with a threaded knob (9), and the threaded knob (9) and the rotating clamping plate (5) form a threaded connection structure.
7. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: the telescopic clamping plate (6) is provided with a clamping groove b (601), and the width of the clamping groove b (601) is slightly larger than the thickness of the double-sided PCB (10).
8. The welding fixture of a double-sided PCB circuit board of claim 1, wherein: the top of bamboo joint pole (7) is equipped with spherical protruding (701) bottom and is equipped with spherical recess (702), and the size of spherical recess (702) is equal to the size of spherical recess (702), and one side of base (1) is installed in the mode of first connection is taken to a plurality of bamboo joint pole (7), and magnifying glass (8) are installed on the top of bamboo joint pole (7).
CN202211701080.4A 2022-12-29 2022-12-29 Welding fixing device for double-sided PCB circuit board Pending CN116056364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211701080.4A CN116056364A (en) 2022-12-29 2022-12-29 Welding fixing device for double-sided PCB circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211701080.4A CN116056364A (en) 2022-12-29 2022-12-29 Welding fixing device for double-sided PCB circuit board

Publications (1)

Publication Number Publication Date
CN116056364A true CN116056364A (en) 2023-05-02

Family

ID=86123018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211701080.4A Pending CN116056364A (en) 2022-12-29 2022-12-29 Welding fixing device for double-sided PCB circuit board

Country Status (1)

Country Link
CN (1) CN116056364A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117098316A (en) * 2023-10-08 2023-11-21 深圳市聚永能科技有限公司 Automatic panel turnover machine of flexible PCB board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117098316A (en) * 2023-10-08 2023-11-21 深圳市聚永能科技有限公司 Automatic panel turnover machine of flexible PCB board
CN117098316B (en) * 2023-10-08 2024-05-07 深圳市聚永能科技有限公司 Automatic panel turnover machine of flexible PCB board

Similar Documents

Publication Publication Date Title
CN116056364A (en) Welding fixing device for double-sided PCB circuit board
CN217183554U (en) Supporting device for production and fixation of electronic circuit board
CN214895436U (en) PCB functional test fixture
CN212987077U (en) Environment-friendly LED street lamp with solar power supply effect
CN213054706U (en) Fixing clamp for circuit board maintenance
CN212115800U (en) Circuit board clamp and circuit board clamp storage rack
CN212146037U (en) High heat dissipation circuit board installation frock
CN210909706U (en) Fixed tool of hardware with adjustable angle
CN220755370U (en) Integrated circuit panel assembling and fixing device
CN215543914U (en) Bending clamp capable of being bent at will for FPC steel sheet
CN218526664U (en) Chip threading process support
CN212146128U (en) New energy battery maintenance platform
CN212304202U (en) Distribution board for power distribution cabinet
CN206542366U (en) A kind of silk-screen printing turner reflective plate bracket
CN219437271U (en) Bendable furnace passing jig
CN216657665U (en) Automatic positioning processing platform for processing circuit mainboard
CN216882177U (en) Universal flexible clamp for double-sided reflow soldering of radio frequency connector
CN214622760U (en) Distribution network overhauls with connecting electric pole
CN218095066U (en) 500kV transmission line installation environment monitoring system
CN220296074U (en) Bonding pressurizing device for circuit substrate
CN211318670U (en) PCBA testing arrangement
CN218040635U (en) Cross connector for trapezoidal bridge
CN219520984U (en) Shell wiring device for solar photovoltaic module processing
CN218775095U (en) Multi-angle adjustable baking finish lamp
CN220210341U (en) Photovoltaic panel installing support

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication