Conductive material heavy current testing arrangement
Technical Field
The utility model relates to a current load tester technical field, in particular to conducting material heavy current testing arrangement.
Background
The conductive material is a material specially used for conveying and conducting current, generally divided into a good conductor material and a high-resistance material, and when the conductive material is subjected to a high-current test, a high-current load test and data acquisition can be carried out on the tested conductive material by a current load tester in a laboratory;
when a probe or a pen clip on the current load tester is placed on or clamped on the conductive material, particularly when the current load test is carried out on the columnar conductive material and the sheet conductive material through the pen clip or the probe, the contact surface between the pen clip or the probe and the conductive material is too small, and then when the large-current load test is carried out on the rodlike or sheet conductive material, the test resistance is increased under the condition of certain voltage, and the accuracy of the current load test data of the rodlike or sheet conductive material is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conducting material heavy current testing arrangement can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a conducting material heavy current testing arrangement, includes load current tester body, the equal fixed mounting in load current tester body both sides has two protection supporting pads, a plurality of louvres have still all been seted up to load current tester body both sides, load current tester body front end one side fixed mounting has the display screen, is located the load current tester body front end fixed mounting of display screen one side has switch, is located the load current tester body front end fixed mounting of display screen opposite side has a plurality of parameter adjustment button, is located the load current tester body front end of parameter adjustment button one side still fixed mounting has current regulation knob, is located the load current tester body front end fixed mounting of current regulation knob below position has positive pole end and negative pole end, load current tester body one side still fixed mounting has two mounting brackets, two be equipped with pen clamp mechanism in the mounting bracket, pen clamp mechanism includes clamping bar and spacing round platform, the clamping bar passes through first connecting rod fixed mounting in the spacing round platform outside, first connecting rod one side has the installation piece through pull rod fixed mounting.
As the utility model discloses a further optimization scheme, spacing round platform outside fixed mounting has a plurality of fixing bases, set up first spacing logical groove in the fixing base.
As the utility model discloses a further optimization scheme, spacing round platform one side fixed mounting has a plurality of dead levers, dead lever one side fixed mounting has the fixed block, fixed block outside fixed mounting has a plurality of hook blocks.
As the utility model discloses a further optimization scheme, installation piece outside fixed mounting has a plurality of pull rods, the spacing logical groove of second has been seted up to pull rod one end, head rod one side fixed mounting has the second connecting rod, the through-hole and the fixed mounting that fixed block central point put are passed to second connecting rod one side have the second stopper.
As a further optimization scheme of the utility model, be located the cover is equipped with compression spring on the second connecting rod between fixed block and the installation piece.
As the utility model discloses a further optimization scheme, it is three the contact groove has all been seted up to the clamping bar opposite side, clamping bar one side fixed mounting has the pencil stiff end, one side fixed mounting that the clamping bar was kept away from to the head rod has first stopper, just one side that the head rod is close to first stopper is passed corresponding first spacing logical groove and is alternated and install in the spacing logical inslot of second, and the pencil stiff end passes the through-hole and anode end or the negative pole end electric connection of spacing round platform and second connecting rod through the connecting wire.
Compared with the prior art, the utility model discloses following beneficial effect has:
a conducting material heavy current testing arrangement, but the three head rod of pull rod synchro control carries out the slant promotion with the help of the round platform, then, the synchronous expansion of three holder bar of three head rod synchro control, and then do benefit to and carry out the centre gripping of large tracts of land to the bar-like conducting material of different diameters and fix, and two holder bar parallel surfaces then can carry out the centre gripping of large tracts of land to flaky conducting material fixed, resistance when can reducing conducting material current load test.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the structure of the pen clip mechanism of the present invention;
fig. 3 is a structural exploded view of the pen clip mechanism of the present invention.
In the figure: 1. a load current tester body; 2. a protective support pad; 3. heat dissipation holes; 4. a display screen; 5. a power switch; 6. a parameter adjustment button; 7. a current adjusting knob; 8. an anode terminal; 9. a cathode terminal; 10. a mounting frame; 11. a pen clip mechanism; 12. a clamping bar; 13. a limiting round table; 14. a first connecting rod; 15. mounting blocks; 16. a contact groove; 17. a wire harness fixing end; 18. a first stopper; 19. a fixed seat; 20. a first limiting through groove; 21. fixing the rod; 22. a fixed block; 23. hooking the block; 24. a pull rod; 25. a second limiting through groove; 26. a second connecting rod; 27. a second limiting block; 28. compressing the spring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, the utility model provides a pair of conducting material heavy current testing arrangement, including load current tester body 1, the equal fixed mounting in load current tester body 1 both sides has two protection supporting pads 2, a plurality of louvres 3 have still all been seted up in load current tester body 1 both sides, 1 front end one side fixed mounting of load current tester body has display screen 4, 1 front end fixed mounting of load current tester body that is located display screen 4 one side has switch 5, 1 front end fixed mounting of load current tester body that is located display screen 4 opposite side has a plurality of parameter adjustment button 6, 1 front end of load current tester body that is located parameter adjustment button 6 one side still fixed mounting have current regulation knob 7, 1 front end fixed mounting of load current tester body that is located current regulation knob 7 below position has anode end 8 and negative pole end 9, 1 one side of load current tester body still fixed mounting has two mounting brackets 10, be equipped with pen clip mechanism 11 in two mounting brackets 10, pen clip mechanism 11 includes clamping bar 12 and spacing round platform 13, clamping bar 12 passes through first connecting rod 14 fixed mounting in the round platform 13 one side, the pull rod 15 fixed mounting is installed.
A plurality of fixing seats 19 are fixedly installed on the outer side of the limiting round platform 13, and a first limiting through groove 20 is formed in each fixing seat 19.
A plurality of fixing rods 21 are fixedly arranged on one side of the limiting circular truncated cone 13, a fixing block 22 is fixedly arranged on one side of each fixing rod 21, and a plurality of hook blocks 23 are fixedly arranged on the outer side of each fixing block 22;
furthermore, the limiting round table 13 and the fixing seat 19 can make the first connecting rod 13 move obliquely upward.
A plurality of pull rods 24 are fixedly mounted on the outer side of the mounting block 15, a second limiting through groove 25 is formed in one end of each pull rod 24, a second connecting rod 26 is fixedly mounted on one side of each first connecting rod 14, and a second limiting block 27 is fixedly mounted on one side of each second connecting rod 26 and penetrates through a through hole in the center of the fixing block 22;
furthermore, a second limiting through groove 25 formed in the pull rod 24 can pull the first connecting rod 14 and ensure that the first connecting rod 14 moves upwards.
A compression spring 28 is sleeved on a second connecting rod 26 between the fixed block 22 and the mounting block 15, contact grooves 16 are respectively formed in the opposite sides of the three clamping rods 12, a wire harness fixing end 17 is fixedly mounted on one side of each clamping rod 12, a first limiting block 18 is fixedly mounted on the side, far away from the clamping rod 12, of each first connecting rod 14, one side, close to the first limiting block 18, of each first connecting rod 14 penetrates through the corresponding first limiting through groove 20 and is installed in the corresponding second limiting through groove 25 in an inserting mode, and the wire harness fixing end 17 penetrates through a connecting wire through a limiting circular truncated cone 13 and a through hole of the second connecting rod 26 to be electrically connected with the anode end 8 or the cathode end 9;
furthermore, the first connecting rod 14 can move obliquely upwards through the inclined plane at the outer side of the limiting round table 13 and the fixing seat 19, so that the three clamping rods 12 can be synchronously expanded to clamp and fix the rod-shaped and sheet-shaped conductive materials.
It should be noted that, the present invention is a large current testing device for conductive material, when in use, the clamping rod 12 is taken down from the mounting rack 10, here we take the rod-shaped conductive material as an example, the thumb is pressed on the hook block 23, and at this time, we place the index finger and the middle finger on one side of two pull rods 24 close to the limiting circular truncated cone 13, and pull the two pull rods 24 toward the fixing block 22, so that the pull rods 24 drive the mounting block 15 to move toward the fixing block 22, and at the same time, the second connecting rod 26 moves toward one side in the through hole of the fixing block 22 and compresses the compression spring 28 toward one side of the fixing block 22, so that the second limiting through groove 25 at one end of the three pull rods 24 is limited by the first limiting block 18 at one end of the three first connecting rods 14, so as to drive the three first connecting rods 14 to move in the first limiting through groove 20 in the fixing seat 19 at the outer side of the limiting circular truncated cone 13, and then, so that the first connecting rods 14 moves obliquely upward to drive the three clamping rods 12 to synchronously expand, and then, one end of the rod-shaped conductive material is inserted between the three clamping rods 12;
subsequently, the pull rod 24 is loosened, and the extension resilience of the compression spring 28 is utilized, so that the mounting block 15 drives the three first connecting rods 14 to move in the opposite direction in the first limiting through groove 20, and further the three first connecting rods 14 drive the clamping rods 12 to be clamped on the rod-shaped conductive material through the contact grooves 16 on the inner sides, and then, another pen clamp mechanism 11 is clamped at the other end of the rod-shaped conductive material according to the operation mode, so that the load current tester body 1 can be started through the power switch 5, the test parameters are adjusted through the parameter adjusting button 6, the current can be adjusted through the current adjusting button 7, and the current load parameters of specific tests are displayed on the display screen 4.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.