CN110187154B - Connection tool and connection method for electrical property test of electrical box - Google Patents
Connection tool and connection method for electrical property test of electrical box Download PDFInfo
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- CN110187154B CN110187154B CN201910392548.8A CN201910392548A CN110187154B CN 110187154 B CN110187154 B CN 110187154B CN 201910392548 A CN201910392548 A CN 201910392548A CN 110187154 B CN110187154 B CN 110187154B
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 169
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000011056 performance test Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
- G01R1/06722—Spring-loaded
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06755—Material aspects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07357—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with flexible bodies, e.g. buckling beams
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07392—Multiple probes manipulating each probe element or tip individually
Abstract
The invention provides a connection tool for testing the electrical performance of an electrical box, which solves the problems of complicated connection procedures, frequent connection error phenomenon, longer installation time and low working efficiency of the electrical performance test of the electrical box in the prior art. The connecting tool comprises a base assembly, a support adjusting assembly, a plurality of probe assemblies and a radial arm locking assembly; the invention further provides a connecting method of the connecting tool, so that the assembly adjustment time before the electrical property test of the electrical box is saved, meanwhile, the phenomenon of wiring errors is prevented, and the acceptance quality of products is effectively improved. The connecting tool provided by the invention can be suitable for electrical boxes with different test points.
Description
Technical Field
The invention belongs to the technical field of electrical performance testing tools, and relates to a connecting tool for electrical performance testing of an electrical box and a connecting method thereof.
Background
At present, the connection mode of connection terminals is adopted for the electrical performance test connection of electrical boxes, such as a low-voltage control box shown in fig. 14, the low-voltage control box (100) is provided with three large-current fuses (101) (connection test is carried out by adopting phi 8 terminals), ten small-current fuses (102) (connection test is carried out by adopting phi 5 terminals), each time, before the electrical performance test of the current fuses is carried out, the fastening nuts are required to be detached and the terminals are installed on test points of test products one by one, then the fastening nuts are calibrated one by one, and then normal test work is carried out. In the installation process, the phenomenon of connection errors often occurs due to excessive test points, the installation time is longer, and the working efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a connecting tool and a connecting method for electrical property testing of an electrical box, which can save assembly and installation time before electrical property testing, improve working efficiency and prevent wiring errors.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a connection frock of electrical apparatus box electrical property test, this connection frock includes base subassembly, support adjustment subassembly, a plurality of probe subassembly, radial arm locking subassembly; the support adjusting assembly and the radial arm locking assembly are installed on the base assembly, the electrical box to be tested is arranged on the base assembly, the probe assemblies are installed on the support adjusting assembly, the support adjusting assembly is used for adjusting the position of the probe assemblies, the probe assemblies are aligned to test points of the electrical box to be tested, and the radial arm locking assembly is used for achieving compression and fixation of the support adjusting assembly.
Further, the base component comprises a bottom plate and 2 limiting blocks used for fixing the to-be-detected electric appliance box, and the 2 limiting blocks are respectively fixed on the left side and the right side of the upper surface of the bottom plate through screws.
Further, the support adjusting assembly comprises 2 supporting frames with the same structure, a rotating shaft, a first limiting sleeve, a second limiting sleeve, hinges and a mounting plate, wherein the 2 supporting frames are respectively arranged at positions between the 2 limiting blocks on the bottom plate through screws, the periphery of the rotating shaft is sleeved with 1 first limiting sleeve, 2 hinges and 2 second limiting sleeves, the first limiting sleeve is arranged at the middle position of the rotating shaft, the 2 hinges are respectively arranged at two ends of the first limiting sleeve and used for realizing the overturning of the mounting plate in the vertical direction, the 2 second limiting sleeves are respectively arranged at the outer ends of the 2 hinges, 2 waist-shaped holes are formed in the mounting plate, the hinges comprise sleeves used for the passing through of the rotating shaft and a Z-shaped connecting plate, screw holes are formed in the connecting plate, the screws are arranged in the screw holes and the waist-shaped holes to fix the hinges and the mounting plate, and the positions of the mounting plate in the waist-shaped holes are adjusted through adjusting screws, so that the positions of the mounting plate in the Y-axis direction are adjusted;
the upper part of the supporting frame is provided with a rotating shaft mounting hole for the rotating shaft to pass through, two ends of the rotating shaft respectively penetrate through the rotating shaft mounting holes of 2 supporting frames, two ends of the rotating shaft are respectively provided with 2 opposite limiting grooves, the upper end and the lower end of the rotating shaft mounting hole of each supporting frame are respectively provided with an adjusting screw mounting hole, an adjusting screw is arranged in each adjusting screw mounting hole, the end face of each adjusting screw is aligned and pressed with the limiting groove of the rotating shaft, and the position of the rotating shaft is adjusted by adjusting the position of the adjusting screw of the supporting frame, so that the position of the mounting plate in the Z-axis direction is adjusted;
the mounting plate is provided with a plurality of probe through holes, and both sides of each probe through hole are respectively provided with a probe assembly mounting hole.
Further, the probe assembly comprises a probe base, a probe connector and a spring, wherein the probe base comprises a hollow cylinder with an opening at one end, a probe hole is formed in the bottom surface of the cylinder, the opening end of the cylinder extends to the periphery to form an annular boss, and 2 through holes corresponding to the mounting holes of the probe assembly of the mounting plate are formed in the annular boss; the probe comprises a cylindrical probe body with threaded parts at two ends, a probe round table is arranged at the tail end of the probe body, the tail end threads of the probe body penetrate through a probe hole of a probe base, the probe round table is propped against the bottom end face of a cavity in the probe base, a spring is sleeved on the periphery of the probe body, and one end of the spring is propped against the other end face of the probe round table;
the annular boss of the probe base is arranged on the lower surface of the mounting plate, the head end of the probe body penetrates out of the probe through hole on the mounting plate, the spring is propped against the lower surface of the mounting plate, and the probe base is fixed on the mounting plate through mounting screws in the through hole and the probe assembly mounting hole on the mounting plate; the probe can freely stretch in the vertical direction when contacting the test point, so that the test points with different heights can be well contacted;
the probe connector is installed at the head end of probe, the probe connector includes the cylinder body, is equipped with the probe mounting hole that is used for being connected with the probe in the one end of cylinder body, and the head end of probe passes through the screw mode and installs in the probe mounting hole, inwards the axial is equipped with the screw mounting hole at the other end terminal surface of cylinder body, is equipped with the wire installation through-hole that is used for installing the wire in the tail end radial direction of screw mounting hole, and the wire penetrates from the wire installation through-hole, installs the screw in the screw mounting hole, thereby the bottom of screw supports on the wire with the wire fastening.
Further, the radial arm locking assembly comprises a first locking beam, a first fixed vertical beam, a second locking beam and a second fixed vertical beam, wherein the first fixed vertical beam is vertically fixed on a left bottom plate of a left supporting frame through a screw, the second fixed vertical beam is vertically fixed on a right bottom plate of the front side of another supporting frame through a screw, one end of the first locking beam is vertically fixed with the top end of the first fixed vertical beam through a screw, one end of the second locking beam is rotatably fixed with the top end of the second fixed vertical beam through a screw, the first locking beam is positioned on the outer side of the mounting plate, a groove is formed in the free end of the first locking beam, the second locking beam is arranged above the mounting plate, the free end of the second locking beam is arranged in the groove, an L-shaped structure is formed between the first locking beam and the second locking beam, a fastening screw is arranged on the groove, and the second locking beam is pressed in the groove.
Further, a fastening screw mounting hole is formed in the first limiting sleeve, a fastening screw is mounted in the fastening screw mounting hole, and the fastening screw is screwed down, so that the end face of the fastening screw abuts against the outer peripheral face of the rotating shaft, and the first limiting sleeve is fixed with the rotating shaft.
Further, the position adjustment of the mounting plate on the X axis is realized by changing the length of one second limiting sleeve of the 2 second limiting sleeves.
Further, the probe and the probe connector in the probe assembly are made of red copper materials, the probe base is made of aluminum materials, and the spring is made of special carbon steel materials.
Further, the length of the first limiting sleeve is longer than that of the second limiting sleeve.
The invention further provides a connection method of the connection tool for testing the electrical performance of the electrical box, which comprises the following steps:
s1: placing the electric box to be tested on a bottom plate of the base assembly, aligning the edge of the electric box to be tested with the inner sides of the 2 limiting blocks, and fixing the electric box to be tested between the 2 limiting blocks;
s2: the probe assemblies with the same number as the test points of the electrical box to be tested are installed on the installation plate, then the installation plate is rotated to the upper part of the electrical box to be tested and is parallel to the bottom surface of the electrical box to be tested, the positions of the probe assemblies are corresponding to the test points on the electrical box to be tested, and if the small distance difference exists, the adjustment of the installation plate in the directions of the X axis, the Y axis and the Z axis can be carried out, wherein the specific mode of the adjustment is as follows:
x axis: by changing the length of one second limit sleeve of the 2 second limit sleeves;
y axis: the position of the mounting plate in the Y-axis direction is further adjusted by adjusting the position of the screw on the hinge in the waist-shaped hole;
and Z axis: the position of the rotating shaft is adjusted by adjusting the position of an adjusting screw of the supporting frame, so that the position of the mounting plate in the Z-axis direction is adjusted;
the probes of each probe assembly are aligned with the test point positions after adjustment;
s3: after the position adjustment of the probe assembly is completed, the mounting plate is slightly pressed down after the position adjustment is completed, so that the probe end contracts under the action of the elastic force of the spring, and the stud of the to-be-tested point with different lengths can be contacted with the corresponding probe;
s4: and finally, the second locking cross beam of the radial arm locking assembly is pressed down on the mounting plate, and the fastening screw arranged on the groove of the first locking cross beam is screwed down, so that the second locking cross beam is tightly pressed on the mounting plate, the final position of the mounting plate is fixed, and the problem of poor test contact caused by the elasticity of the spring of the probe assembly in the test process is prevented.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the probe assembly with the adjustable position is adopted to realize the connection of the points to be tested of the electrical box, and then the probe assembly is connected to the detection equipment, so that the detection of the electrical performance of the points to be tested can be realized, and the mode of adopting a terminal to connect and detect each point to be tested in the prior art is replaced. The assembly adjustment time before the electrical property test of the electrical box is saved, meanwhile, the phenomenon of wiring errors is prevented, and the acceptance quality of products is effectively improved. The probe assembly structure is of a telescopic structure, so that the problem of poor contact caused by different heights of test points can be effectively avoided, and the support adjusting assembly with the adjustable positions of the mounting plate in the X-axis, Y-axis and X-axis directions is adopted, so that the position adjustment of the probe assembly is convenient, and meanwhile, the connecting tool can be applied to electrical boxes with different test points, and only the position relation of the probe assemblies and the number of the probe assemblies on the mounting plate are required to be replaced. The working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the mounting structure of the present invention and an electrical box to be tested;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic structural view of a base plate assembly;
FIG. 4 is a schematic structural view of a support adjustment assembly;
FIG. 5 is a schematic structural view of a support frame;
FIG. 6 is a schematic structural view of a rotating shaft;
FIG. 7 is a schematic view of the structure of the first stop collar;
FIG. 8 is a schematic structural view of a second stop collar;
FIG. 9 is a schematic view of the structure of the hinge;
FIG. 10 is a schematic structural view of the mounting plate;
FIG. 11 is a schematic structural view of a probe assembly;
FIG. 12 is a cross-sectional view taken along A-A of FIG. 11;
FIG. 13 is a schematic view of the construction of the radial arm lock assembly;
FIG. 14 is a schematic view of the structure of an electrical box to be tested;
in the figure: 1-a base assembly; 1-1-a bottom plate; 1-2-limiting blocks;
2-supporting an adjustment assembly; 2-1-supporting frames; 2-2-rotating shaft; 2-2-1-limit grooves; 2-3 parts of a first limit sleeve; 2-3-1-fastening screw mounting holes; 2-4-second limiting sleeve; 2-5-folding; 2-5-1-sleeve; 2-5-2-connecting plates; 2-6-mounting plates; 2-6-1-waist-shaped holes; 2-6-2-probe through holes; 2-6-3-probe assembly mounting holes; 2-7-adjusting screws;
a 3-probe assembly; 3-1-probe mount; 3-4-springs; 3-1-1-cylinder; 3-1-2-probe holes; 3-1-3-annular boss; 3-1-4-through holes; 3-2-probe; 3-2-1-probe body; 3-2-2-probe round table; 3-3-probe connector; 3-3-1-cylinder body; 3-3-2-probe mounting holes; 3-3-3-screw mounting holes; 3-3-4-wire mounting through holes;
4-radial arm locking assembly; 4-1-a first locking beam; 4-1-1-grooves; 4-1-2-screw holes; 4-2-a first fixed vertical beam; 4-3-second locking cross beams; 4-4-second fixed vertical beams;
5-an electrical box to be tested; 5-1-test points;
100-a low pressure control box; 101-a high current fuse; 102-low current fuses.
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. 1-2, a connection tool for testing electrical performance of an electrical box comprises a base assembly 1, a support adjustment assembly 2, a plurality of probe assemblies 3 and a radial arm locking assembly 4; the support adjusting assembly 2 and the radial arm locking assembly 4 are installed on the base assembly 1, the electrical box to be tested is arranged on the base assembly, the plurality of probe assemblies 3 are installed on the support adjusting assembly 2, the support adjusting assembly 2 is used for adjusting the positions of the probe assemblies 3, the probe assemblies 3 are aligned to test points of the electrical box to be tested, and the radial arm locking assembly 4 is used for achieving compression fixation of the support adjusting assembly.
Referring to fig. 3, the base assembly 1 includes a base plate 1-1 and 2 stoppers 1-2 for fixing an electrical box 5 to be tested, and the 2 stoppers 1-2 are respectively fixed on the left and right sides of the upper surface of the base plate 1-1 by screws.
Referring to fig. 4-10, the support adjusting assembly 2 comprises 2 supporting frames 2-1 with the same structure, a rotating shaft 2-2, a first limiting sleeve 2-3, a second limiting sleeve 2-4, hinges 2-5 and a mounting plate 2-6, wherein the 2 supporting frames 2-1 are respectively arranged at the positions between the 2 limiting blocks 1-1 on the bottom plate through screws, 1 first limiting sleeve 2-3, 2 hinges 2-5 and 2 second limiting sleeves 2-4 are sleeved on the periphery of the rotating shaft 2-2, the first limiting sleeve 2-3 is arranged at the middle position of the rotating shaft 2-2, the 2 hinges 2-5 are respectively arranged at two ends of the first limiting sleeve 2-3, the mounting plate 2-6 is turned over in the vertical direction, 2 second limiting sleeves 2-4 are respectively arranged at the outer ends of 2 hinges 2-5, 2 waist-shaped holes 2-6-1 are formed in the mounting plate 2-6, the hinges 2-5 comprise sleeves 2-5-1 used for allowing a rotating shaft to pass through and Z-shaped connecting plates 2-5-2, screw holes 2-5-1 are formed in the connecting plates 2-5-2, screws are arranged in the screw holes 2-5-1 and the waist-shaped holes 2-6-1 to fix the hinges 2-5 and the mounting plate 2-6, and the positions of the mounting plate 2-6 in the Y-axis direction are further adjusted by adjusting the positions of the screws in the waist-shaped holes 2-6-1;
referring to fig. 5, a shaft mounting hole 2-1-1 for passing through a shaft 2-2 is arranged above a supporting frame 2-1, two ends of the shaft 2-2 respectively pass through the shaft mounting holes 2-1-1 of 2 supporting frames, two ends of the shaft 2-2 are respectively provided with 2 opposite limiting grooves 2-2-1, the upper and lower ends of the shaft mounting hole 2-1 of each supporting frame are respectively provided with an adjusting screw mounting hole 2-1-2, an adjusting screw 2-7 is arranged in each adjusting screw mounting hole 2-1-2, the end face of each adjusting screw 2-7 is aligned with the limiting groove 2-2-1 of the shaft 2-2 and tightly pressed, and the position of the shaft 2-2 is adjusted by adjusting the position of the adjusting screw 2-7 of the supporting frame, so that the position of the mounting plate 2-6 in the Z axis direction is adjusted;
referring to fig. 10, the mounting plate 2-6 is provided with a plurality of probe through holes 2-6-2, and both sides of each probe through hole 2-6-2 are respectively provided with a probe assembly mounting hole 2-6-3.
Referring to fig. 11-12, the probe assembly 3 includes a probe base 3-1, a probe 3-2, a probe connector 3-3 and a spring 3-4, the probe base 3-1 includes a hollow cylinder 3-1-1 having an opening at one end, a probe hole 3-1-2 is provided on the bottom surface of the cylinder 3-1-1, the opening end of the cylinder extends to the outer circumference to form an annular boss 3-1-3, and 2 through holes 3-1-4 corresponding to the positions of the probe assembly mounting holes 2-6-3 of the mounting plate are provided on the annular boss 3-1-3; the probe 3-2 comprises a cylindrical probe body 3-2-1 with threaded parts at two ends, a probe round table 3-2-2 is arranged at the tail end of the probe body 3-2-1, the tail end threads of the probe body penetrate through a probe hole 3-1-2 of the probe base 2-1, the probe round table 3-2-2 is propped against the bottom end face of the cavity inside the cylindrical body 3-1-1 of the probe base, a spring 3-4 is sleeved on the periphery of the probe body 3-2-1, and one end of the spring 3-4 is propped against the other end face of the probe round table 3-2-2;
the annular boss 3-1-3 of the probe base 3-1 is arranged on the lower surface of the mounting plate 2-6, the head end of the probe 3-2 penetrates out of the probe through hole 2-6-2 on the mounting plate 2-6, the spring 3-4 is abutted against the lower surface of the mounting plate 2-6, and the probe base 3-1 is fixed on the mounting plate 2-6 through mounting screws in the through hole 3-1-4 and the probe assembly mounting hole 2-6-3 on the mounting plate 2-6;
the probe connector 3-3 is arranged at the head end of the probe 3-2, the probe connector 3-3 comprises a cylinder body 3-3-1, a probe mounting hole 3-3-2 used for being connected with the probe is arranged at one end of the cylinder body 3-3-1, the head end of the probe 3-2 is arranged in the probe mounting hole 3-3-2 in a threaded mode, a screw mounting hole 3-3-3 is axially arranged inwards at the end face of the other end of the cylinder body 3-1, a wire mounting through hole 3-3-4 used for mounting a wire is radially arranged at the tail end of the screw mounting hole 3-3, the wire penetrates into the wire mounting through hole 3-3-4, a screw is mounted in the screw mounting hole 3-3, and the bottom end of the screw abuts against the wire to fasten the wire.
Referring to fig. 13, the radial arm locking assembly 4 includes a first locking beam 4-1, a first fixed vertical beam 4-2, a second locking beam 4-3 and a second fixed vertical beam 4-4, the first fixed vertical beam 4-2 is vertically fixed on the bottom plate 1-1 on the left side of the left supporting frame 2-1 through a screw, the second fixed vertical beam 4-4 is vertically fixed on the bottom plate 1-1 on the right side of the front of the other supporting frame 2-1 through a screw, one end of the first locking beam 4-1 is vertically fixed with the top end of the first fixed vertical beam 4-2 through a screw, one end of the second locking beam 4-3 is rotatably fixed with the top end of the second fixed vertical beam 4-4 through a screw, the first locking beam 4-1 is located on the outer side of the mounting plate 2-6, the free end of the first locking beam 4-1 is provided with a groove 4-1, the second locking beam 4-3 is placed above the mounting plate 2-6, the free end of the second locking beam 4-3 is placed in the groove 4-1, one end of the first locking beam 4-1 is fastened with the screw, one end of the second locking beam 4-3 is fastened with the screw, and the first locking beam 4-1-4 is fastened with the screw, and the second locking beam 4-3 is fastened with the screw.
The first limiting sleeve 2-3 is provided with a fastening screw mounting hole 2-3-1, a fastening screw is mounted in the fastening screw mounting hole 2-3-1, and the fastening screw is screwed down, so that the end face of the fastening screw abuts against the peripheral face of the rotating shaft 2-2, and the first limiting sleeve 2-3 is fixed with the rotating shaft.
The position adjustment of the mounting plate 2-6 on the X axis is realized by changing the length of one second limiting sleeve of the 2 second limiting sleeves 2-4.
The probe 3-2 and the probe connector 3-3 in the probe assembly 3 are made of red copper materials, the probe base 3-1 is made of aluminum materials, and the spring 3-4 is made of special carbon steel materials.
The invention further provides a connection method of the connection tool for testing the electrical performance of the electrical box, which comprises the following steps:
s1: placing the electric box 5 to be tested on a bottom plate of the base assembly, aligning the edge of the electric box 5 to be tested with the inner sides of the 2 limiting blocks 1-2, and fixing the electric box to be tested between the 2 limiting blocks 1-2;
s2: the probe assemblies 3 with the same number as the test points of the electrical box 5 to be tested are installed on the installation plate 2-6, then the installation plate 2-6 is rotated to the upper side of the electrical box 5 to be tested, the positions of the probe assemblies correspond to the test points 5-1 on the electrical box 5 to be tested, and if the small distance difference exists, the adjustment of the installation plate 2-6 in the X-axis, Y-axis and Z-axis directions can be carried out, wherein the specific mode of the adjustment is as follows:
x axis: by changing the length of one second limit sleeve of the 2 second limit sleeves 2-4;
y axis: the position of the mounting plate 2-6 in the Y-axis direction is further adjusted by adjusting the position of the screw on the hinge 2-5 in the waist-shaped hole 2-6-1;
and Z axis: the position of the rotating shaft 2-2 is adjusted by adjusting the position of the adjusting screw 2-7 of the supporting frame 2-1, so that the position of the mounting plate 2-6 in the Z-axis direction is adjusted;
the probes 3-2 of each probe assembly 3 should be aligned with the test point positions after adjustment;
s3: after the position of the probe assembly 3 is adjusted, the mounting plate 2-6 is slightly pressed down after the position is adjusted, so that the end head of the probe 3-2 contracts under the action of the elastic force of the spring 3-4, and the studs of points to be tested with different lengths can be ensured to be contacted with the corresponding probes;
s4: finally, the second locking cross beam 4-3 of the radial arm locking assembly 4 is put down and pressed on the mounting plate 2-6, and the fastening screw arranged on the groove 4-1-1 of the first locking cross beam 4-1 is screwed down, so that the second locking cross beam 4-3 is tightly pressed on the mounting plate 2-6, the final position of the mounting plate 2-6 is fixed, and the problem of poor testing contact caused by the elasticity of the spring of the probe assembly in the testing process is prevented.
According to the invention, through the double positioning modes of the reference pre-positioning of the base assembly 1 and the fine-tuning positioning of the supporting and adjusting assembly 2, the stud of the test point of the electrical box to be tested and the probe of the telescopic probe assembly are accurately positioned, and then the telescopic probe assembly is locked by the radial arm locking assembly, so that the telescopic probe assembly is in good contact with the product stud, and the installation operation before the test is completed.
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 (7)
1. The connection tool for testing the electrical performance of the electrical box is characterized by comprising a base assembly, a support adjusting assembly, a plurality of probe assemblies and a radial arm locking assembly; the support adjusting assembly and the radial arm locking assembly are arranged on the base assembly, the electrical box to be tested is arranged on the base assembly, the probe assemblies are arranged on the support adjusting assembly, the support adjusting assembly is used for adjusting the positions of the probe assemblies, the probe assemblies are aligned to test points of the electrical box to be tested, and the radial arm locking assembly is used for realizing the compression and fixation of the support adjusting assembly;
the support adjusting assembly comprises 2 supporting frames with the same structure, a rotating shaft, a first limiting sleeve, a second limiting sleeve, hinges and a mounting plate, wherein the 2 supporting frames are respectively arranged at positions between the 2 limiting blocks on a bottom plate through screws, the periphery of the rotating shaft is sleeved with 1 first limiting sleeve, 2 hinges and 2 second limiting sleeves, the first limiting sleeve is arranged at the middle position of the rotating shaft, the 2 hinges are respectively arranged at two ends of the first limiting sleeve and used for realizing the overturning of the mounting plate in the vertical direction, the 2 second limiting sleeves are respectively arranged at the outer ends of the 2 hinges, 2 waist-shaped holes are formed in the mounting plate, the hinges comprise sleeves used for the passing of the rotating shaft and a Z-shaped connecting plate, screw holes are formed in the connecting plate, the screws are arranged in the screw holes and the waist-shaped holes to fix the hinges and the mounting plate, and the positions of the mounting plate in the Y-axis direction are further adjusted through adjusting screws;
the upper part of the supporting frame is provided with a rotating shaft mounting hole for the rotating shaft to pass through, two ends of the rotating shaft respectively penetrate through the rotating shaft mounting holes of 2 supporting frames, two ends of the rotating shaft are respectively provided with 2 opposite limiting grooves, the upper end and the lower end of the rotating shaft mounting hole of each supporting frame are respectively provided with an adjusting screw mounting hole, an adjusting screw is arranged in each adjusting screw mounting hole, the end face of each adjusting screw is aligned and pressed with the limiting groove of the rotating shaft, and the position of the rotating shaft is adjusted by adjusting the position of the adjusting screw of the supporting frame, so that the position of the mounting plate in the Z-axis direction is adjusted;
the mounting plate is provided with a plurality of probe through holes, and both sides of each probe through hole are respectively provided with a probe assembly mounting hole;
the first limiting sleeve is provided with a fastening screw mounting hole, a fastening screw is mounted in the fastening screw mounting hole, and the fastening screw is screwed down, so that the end face of the fastening screw abuts against the peripheral surface of the rotating shaft, and the first limiting sleeve is fixed with the rotating shaft;
the position adjustment of the mounting plate on the X axis is realized by changing the length of one second limiting sleeve of the 2 second limiting sleeves.
2. The connection tool for electrical property testing of an electrical box according to claim 1, wherein the base assembly comprises a bottom plate and 2 limiting blocks for fixing the electrical box to be tested, and the 2 limiting blocks are respectively fixed on the left side and the right side of the upper surface of the bottom plate through screws.
3. The connection tool for electrical property test of electrical box according to claim 1, wherein the probe assembly comprises a probe base, a probe connector and a spring, the probe base comprises a hollow cylinder with an opening at one end, a probe hole is arranged on the bottom surface of the cylinder, the opening end of the cylinder extends to the periphery to form an annular boss, and 2 through holes corresponding to the mounting holes of the probe assembly of the mounting plate are arranged on the annular boss; the probe comprises a cylindrical probe body with threaded parts at two ends, a probe round table is arranged at the tail end of the probe body, the tail end threads of the probe body penetrate through a probe hole of a probe base, the probe round table is propped against the bottom end face of a cavity in the probe base, a spring is sleeved on the periphery of the probe body, and one end of the spring is propped against the other end face of the probe round table;
the annular boss of the probe base is arranged on the lower surface of the mounting plate, the head end of the probe body penetrates out of the probe through hole on the mounting plate, the spring is propped against the lower surface of the mounting plate, and the probe base is fixed on the mounting plate through mounting screws in the through hole and the probe assembly mounting hole on the mounting plate; the probe can freely stretch in the vertical direction when contacting the test point, so that the test points with different heights can be well contacted;
the probe connector is installed at the head end of probe, the probe connector includes the cylinder body, is equipped with the probe mounting hole that is used for being connected with the probe in the one end of cylinder body, and the head end of probe passes through the screw mode and installs in the probe mounting hole, inwards the axial is equipped with the screw mounting hole at the other end terminal surface of cylinder body, is equipped with the wire installation through-hole that is used for installing the wire in the tail end radial direction of screw mounting hole, and the wire penetrates from the wire installation through-hole, installs the screw in the screw mounting hole, thereby the bottom of screw supports on the wire with the wire fastening.
4. The connection tool for electrical property test of electrical box according to claim 1, wherein the radial arm locking assembly comprises a first locking beam, a first fixed vertical beam, a second locking beam and a second fixed vertical beam, wherein the first fixed vertical beam is vertically fixed on a bottom plate on the left side of the left side supporting frame through a screw, the second fixed vertical beam is vertically fixed on a bottom plate on the front right side of the other supporting frame through a screw, one end of the first locking beam is vertically fixed with the top end of the first fixed vertical beam through a screw, one end of the second locking beam is rotatably fixed with the top end of the second fixed vertical beam through a screw, the first locking beam is located on the outer side of the mounting plate, a groove is formed at the free end of the first locking beam, the second locking beam is arranged above the mounting plate, the free end of the second locking beam is arranged in the groove, the first locking beam and the second locking beam are in an L-shaped structure, and a fastening screw is arranged on the groove to press the second locking beam in the groove.
5. The connection tool for electrical property testing of electrical box of claim 1, wherein the probe and the probe connector in the probe assembly are made of red copper material, the probe base is made of aluminum material, and the spring is made of special carbon steel material.
6. The connection tool for testing electrical properties of an electrical box according to claim 1, wherein the length of the first stop collar is longer than the length of the second stop collar.
7. The connection method of the connection tool for electrical property test of electrical box according to any one of claims 1-6, comprising the following steps:
s1: placing the electric box to be tested on a bottom plate of the base assembly, aligning the edge of the electric box to be tested with the inner sides of the 2 limiting blocks, and fixing the electric box to be tested between the 2 limiting blocks;
s2: the probe assemblies with the same number as the test points of the electrical box to be tested are installed on the installation plate, then the installation plate is rotated to the upper part of the electrical box to be tested and is parallel to the bottom surface of the electrical box to be tested, the positions of the probe assemblies are corresponding to the test points on the electrical box to be tested, and if the small distance difference exists, the adjustment of the installation plate in the directions of the X axis, the Y axis and the Z axis can be carried out, wherein the specific mode of the adjustment is as follows:
x axis: by changing the length of one second limit sleeve of the 2 second limit sleeves;
y axis: the position of the mounting plate in the Y-axis direction is further adjusted by adjusting the position of the screw on the hinge in the waist-shaped hole;
and Z axis: the position of the rotating shaft is adjusted by adjusting the position of an adjusting screw of the supporting frame, so that the position of the mounting plate in the Z-axis direction is adjusted;
the probes of each probe assembly are aligned with the test point positions after adjustment;
s3: after the position adjustment of the probe assembly is completed, the mounting plate is slightly pressed down after the position adjustment is completed, so that the probe end contracts under the action of the elastic force of the spring, and the stud of the to-be-tested point with different lengths can be contacted with the corresponding probe;
s4: and finally, the second locking cross beam of the radial arm locking assembly is pressed down on the mounting plate, and the fastening screw arranged on the groove of the first locking cross beam is screwed down, so that the second locking cross beam is tightly pressed on the mounting plate, the final position of the mounting plate is fixed, and the problem of poor test contact caused by the elasticity of the spring of the probe assembly in the test process is prevented.
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| CN201910392548.8A CN110187154B (en) | 2019-05-13 | 2019-05-13 | Connection tool and connection method for electrical property test of electrical box |
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| CN201910392548.8A CN110187154B (en) | 2019-05-13 | 2019-05-13 | Connection tool and connection method for electrical property test of electrical box |
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