CN209199729U - A kind of angle adjustable rotary transformer cover board - Google Patents
A kind of angle adjustable rotary transformer cover board Download PDFInfo
- Publication number
- CN209199729U CN209199729U CN201920128373.5U CN201920128373U CN209199729U CN 209199729 U CN209199729 U CN 209199729U CN 201920128373 U CN201920128373 U CN 201920128373U CN 209199729 U CN209199729 U CN 209199729U
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- cover board
- rotary transformer
- angle
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Abstract
The utility model relates to rotary transformer technology fields, specifically disclose a kind of angle adjustable rotary transformer cover board, including lid (201) and several lugs (202) being arranged on lid lateral wall, the lug is equipped with U-shaped adjusting through-hole (203), the angle for being centrally formed 10~30 degree at the U-shaped both ends for adjusting through-hole and lid, the middle part of the lid is equipped with matching hole (204), positive stop lug boss (208) are equipped with positioned at the position of matching hole on the lid, the lid is equipped with the first threaded hole of several groups (205).The utility model has the characteristics that flexible for installation and electrical angle can be adjusted.
Description
Technical field
The utility model relates to rotary transformer technology field, in particular to a kind of angle adjustable rotary transformer cover board.
Background technique
Rotary transformer (referred to as rotation becomes) on motor can be real with electric signals such as measurement position, angle, speed and torques
Existing closed-loop control, rotation become the absolute value analog signal of output, have the advantages that adapt to adverse circumstances, can substitute individual pen absolute value
Encoder and increment type rotary optical encoder；Rotation needs to return to zero when becoming on permanent-magnet servo motor, can be revolved by changing
Become the mechanical erection position on motor, to find the installation site of its best magnetic pole origin, until the servo horse of servo motor
Until Danone runs well；The electrical angle that rotation becomes after installing is generally not the best angle of motor operating, needs to carry out subtle
Adjustment, electrical angle=number of pole-pairs × mechanical angle, the installation that existing rotation becomes are to become rotation by cover board to be fixed in motor case
On, the electrical angle of rotation change can not be adjusted by adjusting mechanical angle, and then search out best magnetic pole origin, be unable to satisfy visitor
Regulatory demand of the family to diversity electrical angle.
Therefore, the installation of existing rotary transformer has that installation is inflexible and electrical angle can not be adjusted.
Utility model content
The utility model provides one kind to solve above-mentioned technical problem present in the installation of existing rotary transformer
The angle adjustable rotary transformer cover board that flexible for installation and electrical angle can be adjusted.
The technical solution of the utility model includes: a kind of angle adjustable rotary transformer cover board, including lid and setting are in lid
Several lugs on lateral wall, the lug be equipped with U-shaped adjusting through-hole, it is described it is U-shaped adjust through-hole both ends and lid in
It is formed centrally 10~30 degree of angle, the middle part of the lid is equipped with matching hole, and the position that matching hole is located on the lid is equipped with
Positive stop lug boss, the lid are equipped with the first threaded hole of several groups.If the utility model on the lateral wall of lid by being arranged
U-shaped adjusting through-hole, the folder for being centrally formed 10~30 degree at the U-shaped both ends for adjusting through-hole and lid is arranged in dry lug on lug
Angle uses the different location for adjusting the fixed U-shaped adjusting through-hole of bolt, so that it may realize micro machinery of the cover board on electric motor end cap
Adjustment, and then the electrical angle that rotation becomes is adjusted, to search out optimal magnetic pole origin, until the servo motor of servo motor can be normal
Until operating, client can satisfy to the diversity regulatory demand of electrical angle, installation is adjusted more flexibly；The utility model
By the way that matching hole is arranged at the middle part of lid, positive stop lug boss, Lai Weixuan set are set positioned at the position of matching hole on lid
One good installation site is provided, rotation set need to be only placed in matching hole and is bonded with positive stop lug boss, surface is revolved
Set has installed, so that the installation of rotation set is more convenient, meanwhile, positive stop lug boss is also functioned to rotation set
Axial limiting effect, it is good fit between positive stop lug boss and rotation set, it is steady to ensure that rotation set is installed on lid
It is qualitative.
Preferably, the matching hole includes circular mounting hole and rectangle limit hole, the circular mounting hole is located at lid
Center, the rectangle limit hole is connected with circular mounting hole, and the positive stop lug boss is located at circular mounting hole.It is round
Mounting hole and positive stop lug boss provide good installation site and axial limit together, for rotation set, and rectangle limit hole rises
Radially constrained to rotation set, it is axial limit and it is radially defined make to revolve together set installs on lid more surely
It is fixed.
Preferably, the two sides of the lid are respectively equipped with loop shaped reinforcement and annular engagement portion, the loop shaped reinforcement
And annular engagement portion is respectively positioned between matching hole and lid lateral wall, first threaded hole passes through loop shaped reinforcement and annular is matched
Conjunction portion.Loop shaped reinforcement makes lid have stronger rigidity；Annular engagement portion ensure that connecing between lid and electric motor end cap
Contacting surface no-float enables lid to consolidate on electric motor end cap and fixes.
Preferably, the lug has 2~5, several lugs are uniformly arranged on the lateral wall of lid.It is further preferred that institute
Stating lug has 3.3 lugs are uniformly arranged on the lateral wall of lid.The quantity of lug and position setting, ensure that adjusting spiral shell
Bolt is uniform to U-shaped adjusting through hole adjustment effect power, so that the rotation of cover board machinery is convenient when adjusting, entire lid consolidates when fixed
It is set for firmly uniform.
Preferably, first threaded hole has 2~5 groups, the first threaded hole of several groups is uniformly distributed on lid.It is more excellent
Choosing, first threaded hole have 3 groups, and 3 group of first threaded hole is uniformly distributed on lid.The quantity of first threaded hole and position are set
It is fixed, it ensure that quantity and the position of later period press fitting elastic slice, so that press fitting elastic slice is uniform to the axial restriction effect power of rotation set,
Allow rotation set can be installed in matching hole, stable working.
Preferably, the angle for being centrally formed 20 degree at the U-shaped both ends for adjusting through-hole and lid.U-shaped adjusting through-hole
Whole is also arcuate structure, and the proper angle that the arc of setting is formed manually passes through machinery and rotates the cover when can satisfy assembly,
Find the installation site that rotation becomes best magnetic pole origin.
The utility model has the following beneficial effects:
(1) by the way that several lugs are arranged on the lateral wall of lid, U-shaped adjusting through-hole is set on lug, U-shaped adjust is led to
The both ends in hole and the angle for being centrally formed 10~30 degree of lid fix the U-shaped different location for adjusting through-hole using bolt is adjusted,
It can realize micro machinery adjustment of the cover board on electric motor end cap, and then adjust the electrical angle that rotation becomes, it is optimal to search out
Magnetic pole origin can satisfy client to the diversity tune of electrical angle until the servo motor of servo motor can run well
Section demand, installation are adjusted more flexibly；
(2) by the way that matching hole is arranged at the middle part of lid, positive stop lug boss is set positioned at the position of matching hole on lid, is come
A good installation site is provided for rotation set, rotation set need to be only placed in matching hole and is pasted with positive stop lug boss
It closes, surface rotation set has been installed, so that the installation of rotation set is more convenient, meanwhile, positive stop lug boss also functions to
Axial limiting effect to rotation set, it is good fit between positive stop lug boss and rotation set, it ensure that rotation set is covering
The stability installed on body.
Detailed description of the invention
Fig. 1 is that the utility model uses the structural schematic diagram in rotating transformer mounting structure；
Fig. 2 is the first structure diagram of the utility model；
Fig. 3 is second structural schematic diagram of the utility model；
Fig. 4 is the first structure diagram of electric motor end cap in rotating transformer mounting structure；
Fig. 5 is the second structural schematic diagram of electric motor end cap in rotating transformer mounting structure；
Fig. 6 is the structural schematic diagram for being pressed elastic slice in rotating transformer mounting structure；
Fig. 7 is the structural schematic diagram that set is revolved in rotating transformer mounting structure；
Fig. 8 is the structural schematic diagram of rotating transformer mounting structure middle (center) bearing retaining ring.
The label in accompanying drawing is: 100- electric motor end cap, 101- recess mounting portion, 102- installation through-hole, 103- adjust screw hole,
104- cylindrical cavity, 105- reinforcing rib, 200- cover board, 201- lid, 202- lug, 203-U type adjust through-hole, 204- cooperation
Hole, the first threaded hole of 205-, 206- adjust bolt, 207- fixing bolt, 208- positive stop lug boss, 209- circular mounting hole, 210-
Rectangle limit hole, 211- loop shaped reinforcement, 212- annular engagement portion, 300- revolve set, 301- convex block, and 400- is pressed elastic slice,
401- pressing plate, the second threaded hole of 402-, 403- notch, 404- diving board, 405-V shape elastic portion, 406- rectangle sticking part, 500- axis
Hold retaining ring.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
A kind of angle adjustable rotary transformer cover board as shown in Figures 2 and 3, including lid 201 and setting are outside lid
Several lugs 202 on side wall, lug are equipped with U-shaped adjusting through-hole 203, the middle heart at the U-shaped both ends for adjusting through-hole and lid
At 10~30 degree of angle, the middle part of lid is equipped with matching hole 204, and the position that matching hole is located on lid is equipped with positive stop lug boss
208, lid is equipped with the first threaded hole of several groups 205.Matching hole includes circular mounting hole 209 and rectangle limit hole 210, circle
Mounting hole is located at the center of lid, and rectangle limit hole is connected with circular mounting hole, and positive stop lug boss is located at circular mounting hole
Place.The two sides of lid are respectively equipped with loop shaped reinforcement 211 and annular engagement portion 212, the equal position of loop shaped reinforcement and annular engagement portion
Between matching hole and lid lateral wall, the first threaded hole passes through loop shaped reinforcement and annular engagement portion.Lug has 2~5, if
Dry lug is uniformly arranged on the lateral wall of lid.First threaded hole has 2~5 groups, and the first threaded hole of several groups is equal on lid
Even distribution.
A kind of rotating transformer mounting structure as shown in Figure 1 including electric motor end cap 100 as shown in Figure 4 and Figure 5 and is set
The recess mounting portion 101 in electric motor end cap side is set, the middle position for the mounting portion that is recessed is equipped with installation through-hole 102, recess installation
Portion is equipped with cover board 200 as shown in Figures 2 and 3；Cover board includes lid 201 and several lugs for being arranged on lid lateral wall
202, lug is equipped with U-shaped adjusting through-hole 203, and the middle part of lid is equipped with matching hole 204, and matching hole is connected with installation through-hole,
Lid is equipped with the first threaded hole of several groups 205；The mounting portion that is recessed is equipped with several adjusting screw holes 103, adjusts the position of screw hole
Corresponding with the U-shaped adjusting position of through-hole, U-shaped adjusting through-hole is connected on adjusting screw hole by adjusting bolt 206, in matching hole
Equipped with rotation set 300 as shown in Figure 7, revolves set and is arranged in matching hole by press fitting elastic slice 400 as shown in FIG. 6,
Press fitting elastic slice is connected by fixing bolt 207 with the first threaded hole.The other side of electric motor end cap is equipped with cylindrical cavity 104, column
Shape cavity and recess mounting portion are respectively positioned on the center of electric motor end cap, and the inside of cylindrical cavity is connected with installation through-hole, column
End ring 500 as shown in Figure 8 is equipped in shape cavity.It is equipped with positive stop lug boss 208 positioned at the position of matching hole on lid, rotation becomes
The outer wall of stator is equipped with the convex block 301 to match with positive stop lug boss.Matching hole includes circular mounting hole 209 and rectangle limit hole
210, circular mounting hole is located at the center of lid, and rectangle limit hole is connected with circular mounting hole, and positive stop lug boss is located at circle
At shape mounting hole, the shape of the shape and matching hole of revolving set is adapted.The two sides of lid are respectively equipped with loop shaped reinforcement 211
With annular engagement portion 212, loop shaped reinforcement and annular engagement portion are respectively positioned between matching hole and lid lateral wall, the first threaded hole
Across loop shaped reinforcement and annular engagement portion, annular engagement portion is equipped in installation through-hole；Cylindrical cavity, end ring,
Installation through-hole, circular mounting hole, rotation set, loop shaped reinforcement and annular engagement portion center line are located along the same line.Lug
There are 2~5, several lugs are uniformly arranged on the lateral wall of lid.First threaded hole has 2~5 groups, the first threaded hole of several groups
It is uniformly distributed on lid.It is pressed one group of second threaded hole 402 that elastic slice includes pressing plate 401 and is arranged on pressing plate, the second spiral shell
The position of pit is corresponding with the first threaded hole, and the second threaded hole is connected by fixing bolt with the first threaded hole, on pressing plate
It is equipped with notch 403 close to the side of rotation set, the indentation, there on pressing plate is equipped with diving board 404, one end of diving board and rotation set
Surface fit.Diving board is made of V-arrangement elastic portion 405 and rectangle sticking part 406, and one end of V-arrangement elastic portion is connected to notch
On, the other end of V-arrangement elastic portion is connected with rectangle sticking part, and rectangle sticking part is generally aligned in the same plane with pressing plate, rectangle fitting
Portion and the surface of rotation set fit.Pressing plate, V-arrangement elastic portion and rectangle sticking part are structure as a whole；Lid is circle；Cylindricality
The junction of cavity and electric motor end cap is equipped with reinforcing rib 105.The U-shaped both ends for adjusting through-hole and lid are centrally formed 10~30 degree
Angle.
The working principle of the utility model are as follows:
End ring 500 is mounted on the installation position in cylindrical cavity 104, according to the position of end ring in cylindrical cavity
Bearing is inside also installed, the annular engagement portion 212 of cover board 200 is directed at the mating surface at 100 interior cylindrical cavity outer ring of electric motor end cap
It fitting closely, the U-shaped alignment of adjusting through-hole 203 adjusts screw hole 103 at this time, and it is tentatively fixed using bolt 206 is adjusted, by rotation set
300 are placed at the positive stop lug boss 208 of matching hole 204, and rotation set is just fixed on circular mounting hole 209 and rectangle limit hole
In 210, then press fitting elastic slice 400 is passed through into fixing bolt 207 and is fixed at the first threaded hole 205, made in the diving board of press fitting elastic slice
Under firmly, rotation set is fixed in matching hole, will not be moved axially again, in the electric motor end cap that will install each component, installation
On motor, the motor shaft for becoming rotor with rotation at this time can sequentially pass through rotation set 300, loop shaped reinforcement 211, circular mounting
Hole 209, installation through-hole 102, annular engagement portion 212, bearing, end ring 500 and cylindrical cavity 104, then with rotation power transformation angle
Degree detector test rotation becomes whether be attributed to zero-bit with motor shaft relative angle or be in proper angle, if it is not, M5 tune can be unclamped
It saves bolt and rotates U-shaped adjusting through-hole, observe electrical angle on one side, adjust and tighten M5 adjusting bolt on one side, electrical angle is suitable later
Bolt will be adjusted again afterwards to be completely fixed.
A rotation cover board 200, the 3 U-shaped adjusting through-holes 203 of change for integrating adjusting electrical angle and fixed rotation change function,
The mechanical angle of cover board can be changed with this, the U-shaped adjusting through-hole external dimensions on cover board is avoided along rotation direction back and forth counterclockwise
Other thread grooves in electric motor end cap 100, avoid components from interfering, and are arranged by circular mounting hole 209 and 210 groups of rectangle limit hole
The matching hole 204 formed is closed, rotation set 300 is limited at the positive stop lug boss 208 in matching hole, the annular engagement on cover board
Portion 212 can cooperate with the inner tight of electric motor end cap.Rotary transformer installs the initial electrical angle with setting afterwards, that is, most
Good excitation origin needs subtle adjustment by hand generally there are subtle gap, can be even using the mounting structure of the utility model
Frontier inspection is surveyed when entering electrical angle detector, the model DSP2005 of electrical angle detector, and input voltage is single-phase 220V, and frequency is
50Hz, output voltage 0-30V, output electric current are 0-150A, input capacity 4.5KW, motor triple line and signal wire and electricity
Angle detector connection can show that side rotation adjusts, so that the electrical angle of rotary transformer, which is in, is most suitable for motor fortune
The numerical value turned, the U-shaped design for adjusting through-hole, manually finds the installation site of best magnetic pole origin when convenient for assembly, flexibility and changeability,
The outer dimension of its cover plate finally improves product electricity with other components without interference according to the size design of electric motor end cap
The packaging efficiency of machine, improves motor performance.The utility model, and can be with for installing rotary transformer on electric motor end cap
The mechanical angle for adjusting cover board, it is mechanical using four pairs of pole rotation set according to electrical angle=number of pole-pairs × mechanical angle principle
When angle of regulation range is 20 degree, electrical angle then has 80 degree of adjustable extent, this facilitate that finding the peace of its best magnetic pole origin
Holding position, or the stator winding according to user demand installation rotary transformer.Cover board in the utility model will revolve set
300 are fixed on electric motor end cap 100, and cover board 200 is provided with annular engagement portion 212, and electric motor end cap is then provided with and annular engagement
The installation through-hole 102 and mating surface that portion matches are additionally provided with the matching hole 204 for placing rotation set on cover board, cooperate
Positive stop lug boss 208 at hole and matching hole can play good axially and radially restriction effect, rotation set to rotation set
Just pressure terminates on the positive stop lug boss in cover board.There are 3 groups, that is, the first threaded hole 205 of 6 M4 on cover board, 3 can be assembled
It is pressed elastic slice 400, press fitting elastic slice is pressed down set is revolved to limit its axial displacement, so that rotation set is at work
It will not move axially, ensure that the stability of the absolute value analog electrical signal of output.3 U-shaped adjusting through-holes are arranged in cover board
203,20 degree of mechanical angle can be supported to adjust, bolt 206 is adjusted with 3 M5 and be inserted into U-shaped adjusting through-hole and recess mounting portion
Adjusting screw hole 103 on 101 is tightened.Can be become with rotation power transformation angle detector detection rotation with motor shaft relative angle after installing is
It is no to be attributed to zero-bit or be in proper angle, because only that motor could run well when being in proper angle, if it is not, can pine
It opens M5 and adjusts the U-shaped adjusting through-hole of bolt rotation, observe electrical angle on one side, adjust on one side and tighten M5 adjusting bolt and fix.This reality
It is used with the novel motor suitable for new-energy automobile.
Claims (5)
1. a kind of angle adjustable rotary transformer cover board, it is characterized in that: including lid (201) and being arranged on lid lateral wall
Several lugs (202), the lug be equipped with U-shaped adjustings through-hole (203), it is described it is U-shaped adjusting through-hole both ends and lid in
It is formed centrally 10~30 degree of angle, the middle part of the lid is equipped with matching hole (204), the position of matching hole is located on the lid
Equipped with positive stop lug boss (208), the lid is equipped with the first threaded hole of several groups (205).
2. a kind of angle adjustable rotary transformer cover board according to claim 1, it is characterized in that: the matching hole includes circle
Shape mounting hole (209) and rectangle limit hole (210), the circular mounting hole are located at the center of lid, the rectangle limit
Hole is connected with circular mounting hole, and the positive stop lug boss is located at circular mounting hole.
3. a kind of angle adjustable rotary transformer cover board according to claim 1 or 2, it is characterized in that: the two of the lid
Side is respectively equipped with loop shaped reinforcement (211) and annular engagement portion (212), and the loop shaped reinforcement and annular engagement portion are respectively positioned on and match
It closes between hole and lid lateral wall, first threaded hole passes through loop shaped reinforcement and annular engagement portion.
4. a kind of angle adjustable rotary transformer cover board according to claim 1 or 2, it is characterized in that: the lug have 2~
5, several lugs are uniformly arranged on the lateral wall of lid.
5. a kind of angle adjustable rotary transformer cover board according to claim 1 or 2, it is characterized in that: first screw thread
Hole has 2~5 groups, and the first threaded hole of several groups is uniformly distributed on lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128373.5U CN209199729U (en) | 2019-01-25 | 2019-01-25 | A kind of angle adjustable rotary transformer cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128373.5U CN209199729U (en) | 2019-01-25 | 2019-01-25 | A kind of angle adjustable rotary transformer cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199729U true CN209199729U (en) | 2019-08-02 |
Family
ID=67431625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920128373.5U Active CN209199729U (en) | 2019-01-25 | 2019-01-25 | A kind of angle adjustable rotary transformer cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360868A (en) * | 2022-09-13 | 2022-11-18 | 重庆长安新能源汽车科技有限公司 | Low-voltage wire harness integrated mounting structure for oil cooling driving motor |
-
2019
- 2019-01-25 CN CN201920128373.5U patent/CN209199729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360868A (en) * | 2022-09-13 | 2022-11-18 | 重庆长安新能源汽车科技有限公司 | Low-voltage wire harness integrated mounting structure for oil cooling driving motor |
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