CN207923947U - Resistance test fixture - Google Patents
Resistance test fixture Download PDFInfo
- Publication number
- CN207923947U CN207923947U CN201820212920.3U CN201820212920U CN207923947U CN 207923947 U CN207923947 U CN 207923947U CN 201820212920 U CN201820212920 U CN 201820212920U CN 207923947 U CN207923947 U CN 207923947U
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- CN
- China
- Prior art keywords
- fixture block
- shell
- copper sheathing
- resistance test
- slot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of resistance test fixtures, it includes the shell being made of with the end cap for being removably connected to described shell one end shell, it is provided with the through-hole for axially penetrating through the shell and the end cap along the shell on the housing, and it is formed with storage tank in the one end of the shell being connect with the end cap, it further include the copper sheathing for being provided with fixture block slot being accommodated in the storage tank, fixture block group in the fixture block slot, and the operating mechanism that is set on the shell.The resistance test fixture of the utility model can be used for Kelvin's four-wire ohm test of the D.C. resistance of asynchronous motor, and have preferable using effect.
Description
Technical field
The utility model belongs to electromechanical technical field of measurement and test more particularly to a kind of for being detected to electric motor resistance
Resistance test fixture.
Background technology
The D.C. resistance of asynchronous motor includes the D.C. resistance of stator winding and rotor windings, measures these direct currents
The purpose of resistance, be in order to check winding whether there is or not broken string and turn-to-turn short circuit, welding portion whether there is or not rosin joint or snap, whether there is or not connect for contact point
Bad phenomenon etc. is touched, is quality inspection links important in motor production process.
It is produced by the way of parallel winding of multiple coils when some motor winding techniques at present, the DC internal resistance of original very little is made to become
Smaller（Milliohm grade）, the resistance of this rank mostly uses Kelvin's four-wire ohm method of testing, to reduce measurement circuit to tested
The influence of resistance.
Since the winding terminal turned to by the way of parallel winding of multiple coils is mostly loose condition (of surface), surveyed for the ease of resistance
Examination generally requires and to terminal wicking soldering and then test again, needed if finding quality problems at this time again into
Row is reprocessed, cumbersome and time consuming.But if by test step be arranged in welding wicking before carry out, conventional Kelvin's test clip without
Method clamps every single line of loose the end of a thread completely, also results in thread cast-off test and is not allowed and cannot achieve the control to quality.
Utility model content
For above description, the purpose of this utility model is to provide a kind of resistance test fixtures, can be used for asynchronous electricity
The 4-Wire Kelvin Test of the D.C. resistance of motivation.
The technical solution of the utility model is achieved in the following ways：
A kind of resistance test fixture comprising：
Shell, the shell include shell and are removably connected to the end cap of described shell one end, on the housing
It is provided with the through-hole for axially penetrating through the shell and the end cap along the shell, and is connected in the shell and the end cap
The one end connect is formed with storage tank；
Copper sheathing is accommodated in the storage tank, and the copper sheathing has positioned at intermediate felt pad and positioned at described exhausted
Edge pads the left jacketing and right jacketing of two opposite sides, and be provided through on the copper sheathing left jacketing, the felt pad and
The right jacketing and rectangular fixture block slot；
Fixture block group is set in the fixture block slot, and the fixture block group includes the lower folder for being located at bottom and being formed with lower fastening groove
Block and upper fixture block that is superposed, being formed with upper fastening groove, and the upper fixture block and the lower fixture block are by positioned at centre
Felt pad and the left fixture block unit positioned at the felt pad two opposite sides and right fixture block unit composition；
Operating mechanism is set on the shell, and the operating mechanism includes the quick folder being fixed on the shell
Pincers, are connected on the active grab and through the compression bar that the shell and the copper sheathing are connected with the upper fixture block, and
The return spring being connected between the shell and the compression bar.
As the restriction to aforesaid way, the copper sheathing is disc-shaped structure, and the storage tank is to adapt to the copper sheathing
Circular trough.
As the restriction to aforesaid way, equipped with the limited block positioned at the copper sheathing side in the storage tank, and
It is formed with intercommunicating pore on the limited block.
As the restriction to aforesaid way, T-slot, the compression bar and the upper folder are provided at the top of the upper fixture block
The connected one end of block is configured to the T-type end in the T-slot.
As the restriction to aforesaid way, relative to the end cap, lead-in line joint is connected in the other end of the shell.
The utility model has the advantage of：
The resistance test fixture of the utility model can be gone out winding in test by the way that fixture block slot is arranged in upper lower fixture block
The end of a thread comes together in fixture block slot and clamps, and thus can avoid loose the end of a thread and thread cast-off occurs, and can ensure to test quality.In addition,
The fixture of the utility model is the left and right two parts arranged parallel being isolated by felt pad by making copper sheathing and fixture block, is being surveyed
Current line can be separately connected the fixture block of left and right with pressure-wire when examination, and influence of the fixture internal resistance to test can be also reduced with this, improve
The accuracy of test, and can preferable using effect.
Description of the drawings
Fig. 1 is the structure diagram of resistance test fixture in specific embodiment of the present invention；
Fig. 2 is the cooperation schematic diagram of copper sheathing and fixture block and active grab in specific embodiment of the present invention；
Fig. 3 is the structural schematic diagram of copper sheathing in specific embodiment of the present invention；
Fig. 4 is the structural schematic diagram of fixture block group in specific embodiment of the present invention；
In figure, 1- upper fixture blocks, 2- copper sheathings, 21- fixture block slots, 3- compression bars, 4- return springs, 5- limited blocks, 6- active grabs,
7- lead-in line joints, 8- shells, 9- copper sheathing felt pads, 10- lower fixture blocks, 11- end caps, 12- fixture block felt pads.
Specific implementation mode
In the description of the present invention, it should be noted that the orientation of the instructions such as term "upper", "lower", "inner", " back of the body "
Or position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The present embodiment is related to a kind of resistance test fixture, by Fig. 1 and combines shown in Fig. 2 to Fig. 4, the resistance test fixture
Include the shell being made of shell 8 and end cap 11, is provided on shell and axially penetrates through shell 8 and end cap 11 along shell 8
Through-hole, and storage tank is formed in the one end of shell 8 being connect with end cap 11, and the fixture of the present embodiment still further comprise by
The copper sheathing 2 for being provided with fixture block slot being contained in above-mentioned storage tank is set in fixture block slot and is used to clamp winding outlet to be measured
The fixture block group of head, and what is be arranged on shell 8 are used to that fixture block group to be driven to act the operating mechanism for being clamped or unclamping.
Specifically, shell 8 is cylindrical in shape, and end cap 11 is removably attachable to one end of shell 8, and the side of being detachably connected
Formula can be preferably to be connected by screw bolts, and relative to end cap 11, also be connected with lead-in line joint 7 in the other end of shell 8, inlet wire connects
First 7 passing through for winding terminal to be measured, can carry out preliminary tightening stabilization to it.Shell 8 and end cap in the present embodiment
11 be to be made of isolation material, and it may be, for example, rigid plastics or resin material.
Copper sheathing 2 is specially disc-shaped structure in the present embodiment, accordingly positioned at 8 end of shell to install the appearance of copper sheathing 2
Setting slot can be also fixed in storage tank after copper sheathing 2 is placed in the storage tank by end cap 11 for circular trough.Meanwhile
To prevent the fixture block group being located in copper sheathing 2 from shaking, the side positioned at copper sheathing 2 in the storage tank is additionally provided with limited block 5,
The side of limited block 5 is abutted with copper sheathing 2, and the other side is then connected on the inner wall of storage tank, in addition, the limited block 5 also uses such as
The isolation materials such as plastics or resin are made, and are also equipped with intercommunicating pore passing through for winding terminal on it.
The copper sheathing 2 of the present embodiment specifically has positioned at intermediate copper sheathing felt pad 9, and is located at 9 liang of the copper sheathing felt pad
The left jacketing and right jacketing of opposite side, left jacketing and right jacketing are fixed together by copper sheathing felt pad, and its connection type can
It is cohered to use.It is further additionally provided on copper sheathing 2 through left jacketing and right jacketing and the copper sheathing insulation for being located at both sides
The fixture block slot 21 of pad 9, fixture block slot 21 is rectangular, and fixture block group above-mentioned is located in the fixture block slot 21.
The fixture block group of the present embodiment specifically includes positioned at 21 bottom of fixture block slot and is formed with the lower fixture block 10 of lower fastening groove, and
There is the upper fixture block 1 of upper fastening groove positioned at the formation of 21 internal upper part of fixture block slot, the clip slot on upper and lower fixture block is positioned opposite, and with
The fastening of upper and lower two fixture blocks, upper and lower two clip slots can be also fastened on together, to surround rounded whole clip slot, and can opposing connection
Group terminal is clamped.In addition, similar with the structure of copper sheathing 2 in the present embodiment, upper fixture block 1 is with lower fixture block 10 in structure
Also by positioned at intermediate fixture block felt pad 12 and positioned at the left fixture block unit of 12 two opposite sides of fixture block felt pad and right folder
Module unit is constituted, and fixture block unit and the fixture block felt pad 12 of both sides are equally bonded together, and the fixture block unit of both sides is also
It is made of the metallic copper with satisfactory electrical conductivity.
In the present embodiment, after fixture block group is set in the fixture block slot on copper sheathing 2, the position of fixture block felt pad 12 and copper sheathing
Felt pad 9 is aligned, to be located in upper lower fixture block the fixture block units of both sides respectively be located at 9 both sides of copper sheathing felt pad in copper sheathing 2
Body be in contact.The operating mechanism of the present embodiment specifically includes the active grab 6 being fixed on shell 8, and is connected to this
On active grab 6, and the compression bar 3 being connected with the upper fixture block 1 in fixture block group through shell 8 and copper sheathing 2, further include abutting
Return spring 4 between shell 8 and compression bar 3.
Specifically, active grab 6 uses existing component, and the top of compression bar 3 is by being located at 6 actuating station of active grab
Two nuts of upper and lower both sides are connected with active grab 6.The through hole of the arrangement of corresponding copper sheathing 2, compression bar 3 are offered on shell 8
It is located in the through hole, in addition corresponds to the through hole, is also equipped in the end of shell 8 and is through to lacking for 8 end of shell
Mouthful, so that compression bar 3 is passed into through hole.And further the larger deep gouge in aperture is additionally provided on the top of the through hole
Hole, return spring 4 are nested on compression bar 3 and in above-mentioned deep gouge holes.In addition, being provided on copper sheathing 2 corresponding to shell 8
On through hole arrangement open slot, while being also equipped with T-slot at the top of upper fixture block 1, and compression bar 3 is connected with upper fixture block 1
One end be also configured as can be flush-mounted in the T-slot in T-type end, the connection being achieved between compression bar 3 and upper fixture block 1.
The resistance test fixture of the present embodiment is when testing motor winding D.C. resistance, as shown in Figure 1
Test fixture prepares two sets, wherein the fixture block unit of the current line connection side in p-wire, pressure-wire then connect the other side
Fixture block unit, and its connection type can be to be attached by screw, test voltage line and current line can be arranged in end cap 11 and
Lead-in line joint 7 is arranged.Then, winding one end to be measured terminal is entered by lead-in line joint 7 in shell 8, and makes the terminal
It wears in the clip slot between supreme lower fixture block, then pulling active grab 6 makes 1 downlink of upper fixture block and terminal is clamped in clip slot
.After the other end terminal of motor winding connects another set of test fixture in the same way, Kai Er can be utilized
Literary four line methods of testing are tested.
The foregoing is merely the preferred embodiment of the utility model, but the scope of protection of the utility model is not limited to
This, any technical person familiar with the field within the technical scope disclosed by the utility model, technology according to the present utility model
Design is subject to the technical solution obtained by equivalent substitution or change, should all be covered by the scope of protection of the utility model.
Claims (5)
1. a kind of resistance test fixture, it is characterised in that including：
Shell, the shell include shell and are removably connected to the end cap of described shell one end, be arranged on the housing
There is a through-hole for axially penetrating through the shell and the end cap along the shell, and connecting with the end cap in the shell
One end is formed with storage tank；
Copper sheathing is accommodated in the storage tank, and the copper sheathing has positioned at intermediate felt pad and is located at the felt pad
The left jacketing and right jacketing of two opposite sides, and it is provided through on the copper sheathing left jacketing, the felt pad and described
Right jacketing and rectangular fixture block slot；
Fixture block group is set in the fixture block slot, and the fixture block group includes the lower fixture block for being located at bottom and being formed with lower fastening groove, with
And upper fixture block that is superposed, being formed with upper fastening groove, and the upper fixture block and the lower fixture block are by positioned at intermediate insulation
Pad and the left fixture block unit positioned at the felt pad two opposite sides and right fixture block unit are constituted；
Operating mechanism is set on the shell, and the operating mechanism includes the active grab being fixed on the shell, even
It is connected on the active grab and through the compression bar that the shell and the copper sheathing are connected with the upper fixture block, and abutting
Return spring between the shell and the compression bar.
2. resistance test fixture according to claim 1, it is characterised in that：The copper sheathing is disc-shaped structure, the appearance
It is the circular trough for adapting to the copper sheathing to set slot.
3. resistance test fixture according to claim 2, it is characterised in that：It is equipped in the storage tank and is located at the copper
The limited block of side is covered, and intercommunicating pore is formed on the limited block.
4. resistance test fixture according to claim 1, it is characterised in that：It is provided with T-type at the top of the upper fixture block
Slot, one end that the compression bar is connected with the upper fixture block are configured to the T-type end in the T-slot.
5. resistance test fixture according to any one of claim 1 to 4, it is characterised in that：Relative to the end cap,
The other end of the shell is connected with lead-in line joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212920.3U CN207923947U (en) | 2018-02-07 | 2018-02-07 | Resistance test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212920.3U CN207923947U (en) | 2018-02-07 | 2018-02-07 | Resistance test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923947U true CN207923947U (en) | 2018-09-28 |
Family
ID=63603823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820212920.3U Expired - Fee Related CN207923947U (en) | 2018-02-07 | 2018-02-07 | Resistance test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923947U (en) |
-
2018
- 2018-02-07 CN CN201820212920.3U patent/CN207923947U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20220207 |