CN104924241A - Circuit board clamp capable of achieving rapid clamping - Google Patents
Circuit board clamp capable of achieving rapid clamping Download PDFInfo
- Publication number
- CN104924241A CN104924241A CN201510364115.3A CN201510364115A CN104924241A CN 104924241 A CN104924241 A CN 104924241A CN 201510364115 A CN201510364115 A CN 201510364115A CN 104924241 A CN104924241 A CN 104924241A
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- workpiece
- activity
- circuit board
- base
- oriented block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A circuit board clamp capable of achieving rapid clamping comprises a base. The base is provided with a plurality of positioning blocks, an eccentric wheel, an eccentric rotating shaft, a movable guiding block, a positioning rod, a sliding block and a linear rail. The positioning rod is perpendicularly fixed to the movable guiding block. The plane formed by the center lines of the positioning rod and the movable guiding block is parallel to the upper end face of the base. The linear rail is fixed to the base. The positioning blocks are provided with workpiece limiting portions. The positioning blocks are fixed to the base in the mode of adapting to the workpiece shape arrangement mode. During clamping, the workpiece limiting portions make contact with the side walls of edges of workpieces, and the workpieces are arranged between the positioning blocks. Clamping force is mastered better, and the phenomenon that a brittle circuit board is damaged due to the fact that the clamping force is excessively large is avoided; the side walls of the workpieces are limited through the workpiece limiting portions of the positioning blocks, even stress on a circuit board during clamping is ensured, and the phenomenon that the circuit board is damaged due to local uneven stress is avoided.
Description
Technical field
The present invention relates to plate workpiece field of fixtures, particularly a kind of circuit board clamp of quick-clamping.
Background technology
The use of circuit board is very general, and its production technology needs, through multiple different environment, such as to weld, spray paint; Circuit board often needs to be fixed reliably in some operations.The material that a lot of circuit board uses in the market is resin etc., and the circuit board fragility made is comparatively large, so when needing clamping, easy unbalance stress is the damage causing plate body, and percent defective is higher.
Summary of the invention
For above-mentioned defect, the object of the invention is to the circuit board clamp proposing a kind of quick-clamping, realize quick-clamping by eccentric wheel, each locating piece provides limit point for workpiece, uniform force when ensure that clamping, improves the crudy of circuit board, rate of reducing the number of rejects and seconds.
For reaching this object, the present invention by the following technical solutions:
A circuit board clamp for quick-clamping, comprises base; Described base is provided with some locating pieces, eccentric wheel, eccentrically weighted shaft, activity-oriented block, backstay, slide block and line rail, described backstay is vertically fixed on activity-oriented block, the plane that both center lines are formed is parallel to the upper surface of base, and described line rail is fixed on described base;
Described locating piece is provided with workpiece portion, and some locating pieces are fixed on base with the arrangement mode adapting to workpiece shapes, the edge sidewall contact of described workpiece portion and workpiece during clamping, and workpiece is placed between some locating pieces;
Described activity-oriented block is arranged on by the outside of the workpiece longest edge of some locating piece Primary Location, and described backstay is arranged between activity-oriented block and workpiece; Described eccentric wheel is arranged on the outside of described activity-oriented block by eccentrically weighted shaft, and described eccentrically weighted shaft is vertically fixed on described base; The bottom of described activity-oriented block is provided with slide block, and described slide block slidably coordinates with described line rail; Rotate described eccentric wheel to make its sidewall extrusion or leave described activity-oriented block, described activity-oriented block seesaws on described line rail, makes the end face of backstay extrude or leave workpiece, the edge sidewall extrusion of workpiece or leave workpiece portion.
Further, described workpiece portion is formed by the upper surface of described locating piece is recessed, coordinates with the edge moulding of workpiece.
Further, also comprise load regulation assembly, described load regulation assembly comprises the screwed hole, nut, retainer spring and the push rod that are arranged on activity-oriented block; Described backstay outer surface is provided with external screw thread and coordinates with the screwed hole on activity-oriented block, and is fixed by nut;
Described backstay is the rod member of hollow, described retainer spring is arranged on the hollow cavity of backstay, described push rod is formed by fixedly connecting by holding greatly push rod and small end push rod two parts, described large end push rod is slidably arranged on the hollow cavity of described backstay, and contact with described retainer spring or fix, the hollow cavity of the protruding described backstay of described small end push rod, when described activity-oriented block seesaws on described line rail, small end push rod extrudes or leaves workpiece.
Further, reset assembly is provided with between described activity-oriented block and workpiece, described reset assembly comprises fixed head, back-moving spring, connecting rod and sliding tray, described fixed head is vertically fixed on described base, and the peak of fixed head is less than the vertical distance of activity-oriented block lower surface to base to the vertical distance of base, described sliding tray is arranged on described activity-oriented block, and described connecting rod also can slide at its direction of axis line through described sliding tray;
One end of described connecting rod is fixed on described fixed head, and the other end is slidably located in described sliding tray, and described back-moving spring is sleeved on the body of rod of the connecting rod between fixed head and activity-oriented block.
Further, described sliding tray is made up of major diameter cell body and minor diameter cell body, and the internal diameter of described major diameter cell body coordinates with the external diameter adaptability of described back-moving spring, and the internal diameter of described minor diameter cell body coordinates with the external diameter adaptability of described connecting rod.
Further, be provided with gathering sill in described eccentric wheel, be provided with lead and be serially connected in described gathering sill, described lead is vertically fixed on described base.
Further, described eccentric edge is provided with tangent plane, rotates eccentric wheel when clamping and is fitted by the sidewall of tangent plane and described activity-oriented block.
Further, also comprise stacker, described stacker is fixed on base and is located between some locating pieces, and the upper surface of stacker contacts with the lower surface of workpiece.
Further, be provided with handle and be fixed on described eccentric wheel.
Further, the both sides of described base are fixedly respectively equipped with handle.
Beneficial effect of the present invention: with absorption surface be not the whole side of activity-oriented block, but the end face of backstay on activity-oriented block, reduce contact area, applying less power can the pressure of accomplished clamping, save manpower, also control the size of clamping force better simultaneously, prevent that clamping force is excessive makes fragility circuit board damage; The workpiece portion that some locating pieces provide realizes limiting to the sidewall of workpiece, and when ensureing to clamp, uniform force on circuit board, prevents local pressure inequality from making circuit board damage;
According to the length of workpiece, more than one backstay can be set on activity-oriented block, thus workpiece bear the stress point number of external force when increasing clamping, ensure the stability of clamping.
Accompanying drawing explanation
Fig. 1 is the mounting structure figure of one embodiment of the present of invention;
Fig. 2 is the structural representation of fixture of the present invention;
Fig. 3 is the structural representation of an embodiment in workpiece portion in the present invention;
Fig. 4 is the structural representation of an embodiment of load regulation assembly in the present invention;
Fig. 5 is the structural representation of an embodiment of reset assembly in the present invention.
Wherein: base 1, locating piece 2, workpiece portion 201; Eccentric wheel 3, gathering sill 31, tangent plane 32, handle 33; Eccentrically weighted shaft 4;
Activity-oriented block 5, sliding tray 51, major diameter cell body 511, minor diameter cell body 512;
Backstay 6, slide block 7, line rail 8;
Load regulation assembly 9, screwed hole 91, nut 92, retainer spring 93, push rod 94, large end push rod 941, small end push rod 942;
Fixed head 100, back-moving spring 101, connecting rod 102;
Lead 11, stacker 12, handle 13, lathe bed 14, saddle 15, column 16, tool magazine 17, head 18, main shaft 19, workbench 20, Y-axis slide rail 21, Z axis slide rail 22, X-axis slide rail 23, workpiece 24.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figures 1 and 2, a kind of circuit board clamp of quick-clamping, comprises base 1; Described base 1 is provided with some locating pieces 2, eccentric wheel 3, eccentrically weighted shaft 4, activity-oriented block 5, backstay 6, slide block 7 and line rail 8, described backstay 6 is vertically fixed on activity-oriented block 5, the plane that both center lines are formed is parallel to the upper surface of base 1, and described line rail 8 is fixed on described base 1;
Described locating piece 2 is provided with workpiece portion 201, and some locating pieces 2 are fixed on base 1 with the arrangement mode adapting to workpiece 24 shape, the edge sidewall contact of described workpiece portion 201 and workpiece 24 during clamping, and workpiece 24 is placed between some locating pieces 2; During clamping, workpiece 24 is placed on locating piece 2, and realizes Primary Location by workpiece portion 201.
Described activity-oriented block 5 is arranged on by the outside of workpiece 24 longest edge of some locating piece 2 Primary Location, and described backstay 6 is arranged between activity-oriented block 5 and workpiece 24; Described eccentric wheel 3 is arranged on the outside of described activity-oriented block 5 by eccentrically weighted shaft 13, and described eccentrically weighted shaft 13 is vertically fixed on described base 1; The bottom of described activity-oriented block 5 is provided with slide block 7, and described slide block 7 slidably coordinates with described line rail 8; Rotate described eccentric wheel 3 to make its sidewall extrusion or leave described activity-oriented block 5, described activity-oriented block 5 seesaws on described line rail 8, the end face of backstay 6 is made to extrude or leave workpiece 24, the edge sidewall extrusion of workpiece 24 or leave workpiece portion 201.
After workpiece 24 is tentatively placed on workpiece portion 201, rotate eccentric wheel 3 and make activity-oriented block 5 described in its sidewall extrusion, thus give activity-oriented block 5 motive force forward, promote after it runs forward, the backstay 6 in its front contacts rear to workpiece 24 extruding force forward with workpiece 24, the edge sidewall extrusion of workpiece 24 or leave workpiece portion 201, the workpiece portion 201 on some locating pieces 2 limits workpiece 24 from different directions, thus completes the clamping to workpiece 24.
The material that a lot of circuit board uses in the market is resin etc., and the circuit board fragility made is comparatively large, so when needing clamping, easily cause the damage of plate body, percent defective is higher.In the technical program, external force during clamping is delivered to workpiece by backstay 6, namely, what contact with workpiece 24 is not the whole side of activity-oriented block 5, but the end face of backstay 6 on activity-oriented block 5, reduce contact area, applying less power can the pressure of accomplished clamping, save manpower, also control the size of clamping force better simultaneously, prevent that clamping force is excessive makes fragility circuit board damage; The sidewall of the 201 pairs of workpiece 24 in workpiece portion that some locating pieces 2 provide realizes limiting, and when ensureing to clamp, uniform force on circuit board, prevents local pressure inequality from making circuit board damage.
According to the length of workpiece 24, can more than one backstay 6 be set on activity-oriented block 5, thus workpiece 24 bears the stress point number of external force when increasing clamping, ensure the stability of clamping.
Described gang tool comprises lathe bed 14, saddle 15, column 16, tool magazine 17, head 18, main shaft 19 and workbench 20, described workbench 20 is arranged on described lathe bed 14 along its length, described saddle 15 is arranged on the side of described workbench 20, and the above base 1 is arranged in described workbench 20;
Column 16 and tool magazine 17 are arranged in described saddle 15, and described column 16 is slidably arranged on described saddle 15 by Y-axis slide rail 21, described tool magazine 17 and column 16 separate, not load-bearing mutually; Column 16 is vertically provided with Z axis slide rail 22, and described head 18 is driven along Z axis slide rail 22 moving linearly by Z axis drive motors; Length direction along described lathe bed 14 is provided with X-axis slide rail 23, described X-axis slide rail 23 moving linearly on lathe bed.
X-axis drive motors (not shown) drives saddle 15 moving linearly on X-axis slide rail 23, Y-axis drive motors (not shown) drives column 16 moving linearly on Y-axis slide rail 21, Z axis drive motors (not shown) drives head 18 moving linearly on Z axis slide rail 22, thus complete head 18 and fix a cutting tool to the accurate location of workpiece, process again, improve working (machining) efficiency; The cutter of different model is provided by tool magazine 17, and clamped one time can complete the processing of multiple kind.
Described tool magazine 17 is arranged on described saddle 15 and is positioned at the side of described column 16; Because tool magazine 17 inside is provided with tens metal knife, its volume is large, weight is large, in order to save space, tool magazine 17 is directly installed on column 16 in prior art, so will bear weight and the inertia of tool magazine 17 at process central post 16, and tool magazine 17 is necessarily arranged at the side of column 16, and column 16 has the torsion of upset, make column 16 by force unbalance, therefore the machining accuracy of column 16 has considerable influence.In order to avoid this problem, by tool magazine 17 and column 16 separate, avoiding completely by force unbalance situation of column 16, thus improve machining accuracy, extends the life-span of lathe.
The above base 1 is arranged in described workbench 20, after processing a workpiece 24, drives described saddle 15 to move along X-direction, processes the workpiece 24 of each base 1 clamping successively; The workpiece processed is laid down in time, changes new workpiece to be processed, continues processing, greatly increase operating efficiency in the process that saddle 15 back moves.
As shown in Figures 2 and 3, described workpiece portion 201 is formed by the upper surface of described locating piece 2 is recessed, coordinates with the edge moulding of workpiece 24.In the present embodiment, workpiece 24 is directly placed on concave surface, location is accurately convenient.
As shown in Figures 2 and 4, described load regulation assembly 9 comprises the screwed hole 91, nut 92, retainer spring 93 and the push rod 94 that are arranged on activity-oriented block 5;
Described backstay 6 outer surface is provided with external screw thread and coordinates with the screwed hole 91 on activity-oriented block 5, and is fixed by nut 92;
Described backstay 6 is the rod member of hollow, described retainer spring 93 is arranged on the hollow cavity of backstay 6, described push rod 94 is formed by fixedly connecting by holding greatly push rod 941 and small end push rod 942 two parts, described large end push rod 941 is slidably arranged on the hollow cavity of described backstay 6, and contact with described retainer spring 93 or fix, the hollow cavity of the protruding described backstay 6 of described small end push rod 942, when described activity-oriented block 5 seesaws on described line rail 8, small end push rod 942 extrudes or leaves workpiece 24.
One end of backstay 6 is through screwed hole 91, the length that activity-oriented block 5 side is stretched out in adjustment this one end of backstay 6 is after the size of needs, and backstay 6 is fixed by the frictional force produced by the contacts side surfaces of nut 92 side and activity-oriented block 5 after nut 92 penetrates backstay 6 from the other end; During the workpiece of clamping different size, unclamp nut 92, the contact end face of adjustment backstay 6 and workpiece to activity-oriented block 5 the same side end face between distance adapt to, fixture applied widely.
When locating eventually, the end face extruding workpiece 24 of backstay 6, in the present embodiment, the front end face extruding workpiece 24 of small end push rod 942, small end push rod 942 reverse push power given by workpiece 24, after making small end push rod 942 be inconjunction with the counter motion of large end push rod 941, large end push rod 941 extrudes retainer spring 93, the retainer spring 93 be extruded is to the restoring force of push rod 94 toward workpiece direction, this restoring force is by stable for workpiece 24 clamping, and retainer spring 93 is simultaneously also for workpiece 24 clamping provides buffering, the clamping of workpiece under emergency case is avoided to lose efficacy; Retainer spring 93 is arranged in the hollow cavity of backstay 6, makes apparatus structure compact, the motion path precise and high efficiency of each parts.
As shown in figures 2 and 5, reset assembly is provided with between described activity-oriented block 5 and workpiece 24, described reset assembly comprises fixed head 100, back-moving spring 101, connecting rod 102 and sliding tray 51, described fixed head 100 is vertically fixed on described base 1, and the peak of fixed head 100 is less than the vertical distance of activity-oriented block 5 lower surface to base 1 to the vertical distance of base 1, described sliding tray 51 is arranged on described activity-oriented block 5, and described connecting rod 102 also can slide at its direction of axis line through described sliding tray 51;
One end of described connecting rod 102 is fixed on described fixed head 100, and the other end is slidably located in described sliding tray 51, and described back-moving spring 101 is sleeved on connecting rod 102 body of rod between fixed head 100 and activity-oriented block 5.
Activity-oriented block 5 is to when going to the motion of the direction of workpiece 24 to carry out clamping, and connecting rod 102 relative motion guide pad 5 moves backward, then the sidewall of activity-oriented block 5 is to fixed head 100 direction pressed home spring 101; When workpiece 24 machines and needs to unload down, only need rotate eccentric wheel 3 a little, then the restoring force backward that produces by the back-moving spring 101 that compresses will promote activity-oriented block 5 at once laterally to home position, accelerate the efficiency of discharging workpieces, also save manpower simultaneously.
Described sliding tray 51 is made up of major diameter cell body 511 and minor diameter cell body 512, the internal diameter of described major diameter cell body 512 coordinates with the external diameter adaptability of described back-moving spring 101, and the internal diameter of described minor diameter cell body 512 coordinates with the external diameter adaptability of described connecting rod 102.
Between transition wall back-moving spring 101 being limited to fixed head 100 and major diameter cell body 511 and minor diameter cell body 512, the accurate positioning of back-moving spring 101; During clamping, back-moving spring 101 extrude toward fixed head 100 direction with the transition wall of minor diameter cell body 512 by major diameter cell body 511, while major diameter cell body 511 sidewall limit back-moving spring 101 and offset toward its both sides, ensure that the efficiency of reset.
Be provided with gathering sill 31 in described eccentric wheel 3, be provided with lead 11 and be serially connected in described gathering sill 31, described lead 11 is vertically fixed on described base 1.
Gathering sill 31 is arc-shaped slot pass, the angle that eccentric wheel 3 rotates limits by the arc length of lead 11 and gathering sill 31, the other end that the position that eccentric wheel 3 can only contact from one end of arc-shaped slot pass with lead 11 turns to arc-shaped slot pass contacts with lead 11, prevent eccentric wheel 3 from turning over position and interference is caused to miscellaneous part, improve the efficiency of adjustment.
The edge of described eccentric wheel 3 is provided with tangent plane 32, rotates eccentric wheel 3 when clamping and is fitted by the sidewall of tangent plane 32 with described activity-oriented block 5.
Tangent plane 32 is the perpendicular perpendicular to eccentric wheel 3 upper and lower end face on eccentric wheel 3 edge, extrude with the sidewall contact of activity-oriented block 5, contrast is directly by the curved edge of eccentric wheel 3 and the sidewall contact of activity-oriented block 5, tangent plane 32 in the technical program designs, add the contact area between eccentric wheel 3 and activity-oriented block 5, stability under loading when ensure that clamping.
Also comprise stacker 12, described stacker 12 is fixed on base 1 and is located between some locating pieces 2, and the upper surface of stacker 12 contacts with the lower surface of workpiece 24.Stacker 12 for workpiece 24 provides continuing surface, ensures the stability of clamping with whole upper surface.
Be provided with handle 33 and be fixed on described eccentric wheel 3; Eccentric wheel 3 is driven to rotate by handle 33, handled easily.
The both sides of described base 1 are fixedly respectively equipped with handle 13; By 13 handling grippers of shaking hands, handled easily.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. the circuit board clamp of a quick-clamping, comprise base, it is characterized in that: described base is provided with some locating pieces, eccentric wheel, eccentrically weighted shaft, activity-oriented block, backstay, slide block and line rail, described backstay is vertically fixed on activity-oriented block, the plane that both center lines are formed is parallel to the upper surface of base, and described line rail is fixed on described base;
Described locating piece is provided with workpiece portion, and some locating pieces are fixed on base with the arrangement mode adapting to workpiece shapes, the edge sidewall contact of described workpiece portion and workpiece during clamping, and workpiece is placed between some locating pieces;
Described activity-oriented block is arranged on by the outside of the workpiece longest edge of some locating piece Primary Location, and described backstay is arranged between activity-oriented block and workpiece; Described eccentric wheel is arranged on the outside of described activity-oriented block by eccentrically weighted shaft, and described eccentrically weighted shaft is vertically fixed on described base; The bottom of described activity-oriented block is provided with slide block, and described slide block slidably coordinates with described line rail; Rotate described eccentric wheel to make its sidewall extrusion or leave described activity-oriented block, described activity-oriented block seesaws on described line rail, makes the end face of backstay extrude or leave workpiece, the edge sidewall extrusion of workpiece or leave workpiece portion.
2. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: described workpiece portion is formed by the upper surface of described locating piece is recessed, coordinates with the edge moulding of workpiece.
3. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: also comprise load regulation assembly, described load regulation assembly comprises the screwed hole, nut, retainer spring and the push rod that are arranged on activity-oriented block; Described backstay outer surface is provided with external screw thread and coordinates with the screwed hole on activity-oriented block, and is fixed by nut;
Described backstay is the rod member of hollow, described retainer spring is arranged on the hollow cavity of backstay, described push rod is formed by fixedly connecting by holding greatly push rod and small end push rod two parts, described large end push rod is slidably arranged on the hollow cavity of described backstay, and contact with described retainer spring or fix, the hollow cavity of the protruding described backstay of described small end push rod, when described activity-oriented block seesaws on described line rail, small end push rod extrudes or leaves workpiece.
4. the circuit board clamp of a kind of quick-clamping according to claim 1, it is characterized in that: between described activity-oriented block and workpiece, be provided with reset assembly, described reset assembly comprises fixed head, back-moving spring, connecting rod and sliding tray, described fixed head is vertically fixed on described base, and the peak of fixed head is less than the vertical distance of activity-oriented block lower surface to base to the vertical distance of base, described sliding tray is arranged on described activity-oriented block, and described connecting rod also can slide at its direction of axis line through described sliding tray;
One end of described connecting rod is fixed on described fixed head, and the other end is slidably located in described sliding tray, and described back-moving spring is sleeved on the body of rod of the connecting rod between fixed head and activity-oriented block.
5. the circuit board clamp of a kind of quick-clamping according to claim 4, it is characterized in that: described sliding tray is made up of major diameter cell body and minor diameter cell body, the internal diameter of described major diameter cell body coordinates with the external diameter adaptability of described back-moving spring, and the internal diameter of described minor diameter cell body coordinates with the external diameter adaptability of described connecting rod.
6. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: be provided with gathering sill in described eccentric wheel, and be provided with lead and be serially connected in described gathering sill, described lead is vertically fixed on described base.
7. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: described eccentric edge is provided with tangent plane, rotates eccentric wheel when clamping and is fitted by the sidewall of tangent plane and described activity-oriented block.
8. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: also comprise stacker, and described stacker is fixed on base and is located between some locating pieces, and the upper surface of stacker contacts with the lower surface of workpiece.
9. the circuit board clamp of a kind of quick-clamping according to claim 7 or 8, is characterized in that: be provided with handle and be fixed on described eccentric wheel.
10. the circuit board clamp of a kind of quick-clamping according to claim 1, is characterized in that: the both sides of described base are fixedly respectively equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364115.3A CN104924241B (en) | 2015-06-25 | 2015-06-25 | A kind of circuit board clamp of quick-clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364115.3A CN104924241B (en) | 2015-06-25 | 2015-06-25 | A kind of circuit board clamp of quick-clamping |
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| Publication Number | Publication Date |
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| CN104924241A true CN104924241A (en) | 2015-09-23 |
| CN104924241B CN104924241B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510364115.3A Active CN104924241B (en) | 2015-06-25 | 2015-06-25 | A kind of circuit board clamp of quick-clamping |
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| CN107443465A (en) * | 2017-09-12 | 2017-12-08 | 陈宇翔 | A kind of bridge construction equipment |
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| CN112014787A (en) * | 2020-07-27 | 2020-12-01 | 杭州德创能源设备有限公司 | Compatible detection tool equipment of smart meter |
| CN112394315A (en) * | 2020-07-27 | 2021-02-23 | 杭州德创能源设备有限公司 | Compatible auto-change over device of smart meter |
| CN113963508A (en) * | 2021-10-28 | 2022-01-21 | 广东电网有限责任公司 | Electric shock prevention alarm device for pole tower operation personnel |
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| CN110493965B (en) * | 2019-09-17 | 2024-07-12 | 苏州威兹泰克自动化科技有限公司 | Fixing jig |
| CN112014787A (en) * | 2020-07-27 | 2020-12-01 | 杭州德创能源设备有限公司 | Compatible detection tool equipment of smart meter |
| CN112394315A (en) * | 2020-07-27 | 2021-02-23 | 杭州德创能源设备有限公司 | Compatible auto-change over device of smart meter |
| CN112014787B (en) * | 2020-07-27 | 2023-06-27 | 杭州德创能源设备有限公司 | Compatible detection tool equipment of smart meter |
| CN113963508A (en) * | 2021-10-28 | 2022-01-21 | 广东电网有限责任公司 | Electric shock prevention alarm device for pole tower operation personnel |
| CN113963508B (en) * | 2021-10-28 | 2023-05-23 | 广东电网有限责任公司 | Electric shock prevention alarm device for pole and tower operating personnel |
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|---|---|
| CN104924241B (en) | 2017-03-01 |
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Address after: Block 1 and block 3, No. 9, Lexin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: Guangdong Pradi Technology Co., Ltd Address before: 528137 No. 70, C District, Sanshui Central Industrial Park, Guangdong, Foshan Patentee before: FOSHAN PRATIC CNC SCIENCE & TECHNOLOGY Co.,Ltd. |
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