CN211826356U - Three-phase five-wire system leakage current test fixture - Google Patents
Three-phase five-wire system leakage current test fixture Download PDFInfo
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- CN211826356U CN211826356U CN202020072037.6U CN202020072037U CN211826356U CN 211826356 U CN211826356 U CN 211826356U CN 202020072037 U CN202020072037 U CN 202020072037U CN 211826356 U CN211826356 U CN 211826356U
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Abstract
The utility model discloses a three-phase five-wire system leakage current test fixture, including base and the bracing piece of setting on the base, the base is a rectangle platform, the fixed welding of its top has the bracing piece, the fixed welding of the upper end of bracing piece has the roof, the hydraulic press mounting hole has been seted up on the roof, fixed mounting has the hydraulic press in its hydraulic press mounting hole, the bottom fixed mounting of the hydraulic stem of hydraulic press has the mounting panel, the central point of base puts and is provided with circuit board placement frame, circuit board placement frame is the rectangle framework structure of fixed mounting on the base, and its framework size is identical with the size of the circuit board to be detected, and its both ends have a guide rail through hex bolts fixed mounting, slide on the guide rail; through setting up fixed pipe and dead lever to press from both sides tight fixedly to the circuit board inlet wire through it, and connect through the spring between the two, thereby also can effectively avoid the circuit board by the emergence of the clamping injury incident when letting it provide certain clamp force to the circuit board.
Description
Technical Field
The utility model particularly relates to a three-phase five-wire system leakage current test fixture.
Background
The electric leakage is generated by a certain potential difference between the electronic instrument and a mains supply live wire after the electronic instrument and the mains supply live wire are communicated for a certain reason, a great potential safety hazard can be left by the electric leakage phenomenon of the electronic instrument, when the shell of the electronic instrument is electrified due to insulation damage and a worker contacts the shell, a human body electric shock accident can be caused, at the moment, if part of the ground current flows through the human body, the worker can be injured or killed if the numerical value of the ground current is large to a certain degree, and the electric leakage of the electronic instrument is caused by the electric leakage of the circuit board when the part of the ground current is large.
But traditional circuit board electric leakage detects frock is comparatively simple to the clamping device of circuit board, and it is not only fixed effect relatively poor, and it leads to the fracturing of circuit board at the in-process that presss from both sides tightly the circuit board very easily moreover to lead to scrapping of product, for this reason the utility model aims to provide a three-phase five-wire system leaks current test fixture, with the problem of proposing in solving above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a three-phase five-wire system leakage current test fixture to reach the fixed purpose of waiting to detect the circuit board of stabilizing.
In order to achieve the above object, the utility model provides a following technical scheme: a three-phase five-wire leakage current test tool comprises a base and supporting rods arranged on the base, wherein the base is a rectangular platform, the supporting rods are fixedly welded above the base, the supporting rods are totally four and are uniformly distributed at four corners of the base, a top plate is fixedly welded at the upper ends of the supporting rods, a hydraulic press mounting hole is formed in the top plate, four guide rod moving holes are formed in the edge of a hole body of the top plate, a hydraulic press is fixedly mounted in the hydraulic press mounting hole, a mounting plate is fixedly mounted at the bottom end of a hydraulic rod of the hydraulic press, a circuit board placing frame is arranged at the central position of the base and is a rectangular frame body structure fixedly mounted on the base, the size of the frame body is matched with that of a circuit board to be detected, guide rails are fixedly mounted at two ends of the circuit board through hexagon bolts, and are totally, and sliding tables are arranged on the sliding plates in a sliding manner.
Preferably, the upper surface of the mounting plate is fixedly welded with a guide rod, the position of the guide rod corresponds to the position of a guide rod movable hole in the top plate, and the guide rod is movably arranged in the guide rod movable hole.
Preferably, the fixed pipe that is provided with in edge of the lower surface of mounting panel, the activity is provided with the dead lever in the fixed pipe, the top fixedly connected with connecting spring of dead lever, connecting spring's upper end is connected with the top of fixed pipe.
Preferably, a limiting groove is formed in the pipe body of the fixing pipe, a limiting block is arranged at the end of the rod body of the fixing rod, the width of the limiting block is matched with the width of the notch of the limiting groove, and the limiting block is embedded into the notch of the limiting groove.
Preferably, the lower fixed surface of mounting panel installs measuring probe installation pipe, the bottom of measuring probe installation pipe is provided with the spring structure, and the lower extreme of spring is connected with measuring probe, measuring probe is provided with five altogether, and it is corresponding with the line head position of walking on the circuit board, and measuring probe's tip passes through the wire and is connected with the detection structure electricity, and measuring probe's bottom position is higher than the bottom position of dead lever.
Preferably, the lower surface of slip table has seted up the guide rail groove, and it installs on the guide rail through the guide rail groove, and the slip table lower surface by the front end seted up spacing bayonet socket, the notch cross-section of spacing bayonet socket is identical with the cross-section of the body of rod about the frame is placed to the circuit board, and the slip table drives through flexible electric jar.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the fixing tube and the fixing rod are arranged, so that the incoming line of the circuit board is clamped and fixed through the fixing tube and the fixing rod, and the circuit board and the fixing rod are connected through the spring, so that the circuit board is provided with a certain clamping force, and meanwhile, the circuit board can be effectively prevented from being clamped;
2. four guide rods are fixedly welded on the mounting plate, guide rod movable holes corresponding to the positions of the guide rods are formed in the top plate, and the guide rods are movably arranged in the guide rod movable holes, so that the up-and-down movement stability of the mounting plate is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the sliding table structure of the present invention;
FIG. 4 is a schematic view of the position of the fixing rod and the fixing rod of the present invention;
fig. 5 is a schematic view of the fixing rod structure of the present invention.
In the figure: the device comprises a base 1, a support rod 2, a top plate 3, a circuit board placing frame 4, a guide rail 5, a sliding table 6, a telescopic electric cylinder 7, a guide rail groove 8, a limiting bayonet 9, a hydraulic machine 10, a mounting plate 11, a guide rod 12, a fixing pipe 13, a fixing rod 14, a limiting block 15, a connecting spring 16, a limiting groove 17, a measuring probe mounting pipe 18 and a measuring probe 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a three-phase five-wire leakage current testing tool comprises a base 1 and support rods 2 arranged on the base 1, wherein the base 1 is a rectangular platform, the support rods 2 are fixedly welded above the base, the four support rods 2 are uniformly distributed at four corners of the base 1, a top plate 3 is fixedly welded at the upper end of each support rod 2, a hydraulic press mounting hole is formed in the top plate 3, four guide rod moving holes are formed in the edge of a hole body of the top plate, a hydraulic press 10 is fixedly installed in the hydraulic press mounting hole, a mounting plate 11 is fixedly installed at the bottom end of a hydraulic rod of the hydraulic press 10, a circuit board placing frame 4 is arranged at the central position of the base 1, the circuit board placing frame 4 is a rectangular frame body structure fixedly installed on the base 1, the size of the frame body of the circuit board placing frame is matched with that of a circuit board to be detected, guide rails 5 are, and sliding tables 6 are arranged on the sliding blocks in a sliding way.
Furthermore, guide rods 12 are fixedly welded on the upper surface of the mounting plate 11, the positions of the guide rods 12 correspond to the positions of guide rod moving holes in the top plate 3, the guide rods 12 are movably arranged in the guide rod moving holes, four guide rods 12 are fixedly welded on the mounting plate 11, guide rod moving holes corresponding to the positions of the guide rods 12 are formed in the top plate 3, and the guide rods 12 are movably arranged in the guide rod moving holes, so that the up-and-down movement stability of the mounting plate 11 is improved;
furthermore, a fixing tube 13 is fixedly arranged at the edge of the lower surface of the mounting plate 11, a fixing rod 14 is movably arranged in the fixing tube 13, a connecting spring 16 is fixedly connected to the top end of the fixing rod 14, the upper end of the connecting spring 16 is connected with the top of the fixing tube 13, the fixing tube 13 and the fixing rod 14 are arranged, so that the circuit board is clamped and fixed through the wire inlet of the fixing tube, and the fixing tube 13 and the fixing rod 14 are connected through the spring, so that the circuit board can be effectively prevented from being clamped while a certain clamping force is provided for the circuit board;
furthermore, a limiting groove 17 is formed in the tube body of the fixing tube 13, a limiting block 15 is arranged at the end of the rod body of the fixing rod 14, the width of the limiting block 15 is matched with the width of the notch of the limiting groove 17, and the limiting block is embedded in the notch of the limiting groove 17;
furthermore, a measuring probe mounting tube 18 is fixedly mounted on the lower surface of the mounting plate 11, a spring structure is arranged at the bottom of the measuring probe mounting tube 18, the lower end of the spring is connected with a measuring probe 19, the number of the measuring probes 19 is five, the measuring probes correspond to the positions of wiring heads on the circuit board, the end part of the measuring probe 19 is electrically connected with the detection structure through a wire, the bottom end position of the measuring probe 19 is higher than the bottom end position of the fixed rod 14, and the measuring probes 19 are fixed by the spring in a wire feeding manner, so that each probe can be stably contacted with the circuit board, and the contact force between the probes and the circuit board can be effectively;
furthermore, the lower surface of the sliding table 6 is provided with a guide rail groove 8, the sliding table is installed on the guide rail 5 through the guide rail groove 8, the front end of the lower surface of the sliding table 6 is provided with a limiting bayonet 9, the cross section of a notch of the limiting bayonet 9 is matched with the cross section of a left rod body and a right rod body of the circuit board placing frame, the sliding table 6 is driven through a telescopic electric cylinder 7, and the moving position of the sliding table 6 is limited through the limiting bayonet 9, so that the clamping force of the sliding table 6 is controlled, and the circuit board is;
the working principle is as follows: during the in-service use, the staff places the frame 4 through steadily placing the circuit board in the circuit board, then through starting flexible electric jar 7, thereby drive slip table 6 through flexible electric jar 7, and certain fixed action to the circuit board through slip table 7, push down through driving hydraulic press 10 after that, thereby drive roof 3 and push down, the edge of dead lever 14 contact circuit board earlier at the in-process of pushing down, measuring probe 19 contact circuit board after that, last mounting panel 11 and slip table 6 upper surface contact, and stop hydraulic press 10 and get into the pressurize stage, and put through the testing arrangement power and detect the circuit board, after detecting, through the hydraulic stem drive return stroke on the hydraulic press 10, and retract flexible electric jar 7, it can to take off the circuit board at last.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a three-phase five-wire system leakage current test fixture, includes base (1) and bracing piece (2) of setting on base (1), its characterized in that: the base (1) is a rectangular platform, the fixed welding of its top has bracing piece (2), bracing piece (2) are provided with four altogether, and its evenly distributed is in four edges of base (1), the fixed welding of the upper end of bracing piece (2) has roof (3), the hydraulic press mounting hole has been seted up on roof (3), and four guide arm activity holes have been seted up at the edge of its hole body, and fixed mounting has hydraulic press (10) in its hydraulic press mounting hole, the bottom fixed mounting of the hydraulic stem of hydraulic press (10) has mounting panel (11), the central point of base (1) puts and is provided with circuit board placement frame (4), circuit board placement frame (4) is the rectangular frame structure of fixed mounting on base (1), and its frame size is identical with waiting to detect the circuit board size, and its both ends pass through hexagon bolt fixed mounting and have guide rail (5), the guide rails (5) are provided with two pairs, and sliding tables (6) are arranged on the guide rails in a sliding mode.
2. The three-phase five-wire leakage current test tool according to claim 1, characterized in that: the upper surface fixed welding of mounting panel (11) has guide arm (12), the position of guide arm (12) is corresponding with the guide arm activity hole position on roof (3), and guide arm (12) activity sets up in the guide arm activity hole.
3. The three-phase five-wire leakage current test tool according to claim 2, characterized in that: the fixed pipe (13) that is provided with in edge of the lower surface of mounting panel (11), the activity is provided with dead lever (14) in fixed pipe (13), the top fixedly connected with coupling spring (16) of dead lever (14), the upper end of coupling spring (16) is connected with the top of fixed pipe (13).
4. The three-phase five-wire leakage current test tool according to claim 3, characterized in that: the limiting groove (17) is formed in the pipe body of the fixing pipe (13), the end portion of the rod body of the fixing rod (14) is provided with a limiting block (15), the width of the limiting block (15) is matched with the width of the notch of the limiting groove (17), and the limiting block is embedded into the notch of the limiting groove (17).
5. The three-phase five-wire leakage current test tool according to claim 2, characterized in that: the lower fixed surface of mounting panel (11) installs measuring probe installation pipe (18), the bottom of measuring probe installation pipe (18) is provided with the spring structure, and the lower extreme of spring is connected with measuring probe (19), measuring probe (19) are provided with five altogether, and it is corresponding with the line head position of walking on the circuit board, and the tip of measuring probe (19) passes through the wire and is connected with detection structure electricity, and the bottom position of measuring probe (19) is higher than the bottom position of dead lever (14).
6. The three-phase five-wire leakage current test tool according to claim 1, characterized in that: guide rail groove (8) have been seted up to the lower surface of slip table (6), and it installs on guide rail (5) through guide rail groove (8), and slip table (6) lower surface lean on the front end to seted up spacing bayonet socket (9), the notch cross-section of spacing bayonet socket (9) is placed the frame with the circuit board and is controlled the cross-section of the body of rod identical, and slip table (6) drive through flexible electric jar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072037.6U CN211826356U (en) | 2020-01-14 | 2020-01-14 | Three-phase five-wire system leakage current test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072037.6U CN211826356U (en) | 2020-01-14 | 2020-01-14 | Three-phase five-wire system leakage current test fixture |
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| CN211826356U true CN211826356U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020072037.6U Active CN211826356U (en) | 2020-01-14 | 2020-01-14 | Three-phase five-wire system leakage current test fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986624A (en) * | 2021-05-20 | 2021-06-18 | 南京亚尔软件测试有限公司 | Multifunctional auxiliary mechanism for IED flexible testing system |
-
2020
- 2020-01-14 CN CN202020072037.6U patent/CN211826356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986624A (en) * | 2021-05-20 | 2021-06-18 | 南京亚尔软件测试有限公司 | Multifunctional auxiliary mechanism for IED flexible testing system |
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