CN206388616U - Position switching auxiliary signal structure on switch operating mechanism - Google Patents
Position switching auxiliary signal structure on switch operating mechanism Download PDFInfo
- Publication number
- CN206388616U CN206388616U CN201720036451.XU CN201720036451U CN206388616U CN 206388616 U CN206388616 U CN 206388616U CN 201720036451 U CN201720036451 U CN 201720036451U CN 206388616 U CN206388616 U CN 206388616U
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- Prior art keywords
- travel switch
- pilot hole
- switch
- multigroup
- concave wheel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000033001 locomotion Effects 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000004272 Eragrostis cilianensis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Switches With Compound Operations (AREA)
Abstract
The utility model is related to the position switching auxiliary signal structure on a kind of switch operating mechanism, include rotating shaft, concave wheel and multigroup travel switch in rotating shaft, multigroup travel switch is along concave wheel circumferential array and installed in first, between second fixed plate, it is characterized in that first, respectively correspondingly it is provided with second fixed plate centered on rotating shaft, radially-arranged and corresponding with the quantity of multigroup travel switch pilot hole, the roller that can be slided along pilot hole is installed in each pilot hole, it is configured with many piece motion bars corresponding with the quantity of multigroup travel switch simultaneously, the two ends of each motion bar are respectively by corresponding roller supporting in corresponding pilot hole, and each motion bar is sandwiched between concave wheel surface and the movable contact of corresponding group of travel switch.After said structure, the movable contact of each travel switch is made radial motion, be no longer influenced by tangential force, so that the service life of each travel switch is ensure that, and it is more reliable to move more flexible, signal switching.
Description
Technical field
The utility model is related to a kind of switch operating mechanism, refers specifically to the position switching auxiliary on a kind of switch operating mechanism
Signal structure.
Background technology
Switch operating mechanism has the diversified forms such as two station operating mechanisms, three station operating mechanisms, is opened for operation isolation
Combined floodgate, the separating brake (and ground connection) of the switches such as pass, in operation, between the interlocking, the instruction of the position of the switch, mechanism between switch
Interlocking is required for exporting corresponding auxiliary signal while mechanism action, with control or display action state.It is most of at present to open
Operating mechanism is closed using the serial auxiliary switches of F10 come output signal.Wherein motor switch operating mechanism due to run duration it is longer
(more than 2 seconds), F10 series auxiliary switch internal structures use blade inserting structure (idle running is small), therefore the output of auxiliary signal is past
Toward touching the time of static contact earlier than main contact, thus can cause between position of the switch misregister, switch and mechanism it
Between interlock insecure defect.In order to solve the defect that the serial auxiliary switches of above-mentioned F10 are brought as auxiliary signal structure, people
Have started to replace the serial auxiliary switches of F10 to realize that main contact acts the mesh synchronous with auxiliary signal output using travel switch
's.But this structure is in three position mechanism using unsatisfactory.As shown in Figure 8,9, the motion of switch operating mechanism, passes through transmission
Mechanism drives concave wheel 2 to make rotate counterclockwise, and the movable contact of middle of stroke switch 3 is slided at right circular arc from the recess of concave wheel
During, the movable contact of middle of stroke switch 3 makees the compound movement up and turned left, and middle of stroke is switched 3 has up
The trend of motion, but because middle of stroke switch is fixed, it is impossible to move, therefore the multiple athletic meeting of concave wheel causes center row
The abrasion (operating principle of the travel switch of both sides is identical) of journey switch contact, can cause the activity of each travel switch to touch when serious
Head fracture and damage so that influence signal normal output.
Utility model content
Technical problem to be solved in the utility model is that the present situation for being directed to prior art weares and teares small there is provided one kind, is used
Long lifespan, auxiliary signal switches the position switching auxiliary signal structure on reliable switch operating mechanism.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of position on switch operating mechanism
Switch auxiliary signal structure, include be supported in first, second fixed plate rotating shaft, in rotating shaft by transmission mechanism
The concave wheel of driving and multigroup travel switch, multigroup travel switch along concave wheel circumferential array and installed in described first,
Between second fixed plate, it is characterised in that：Respectively correspondingly be provided with first, second described fixed plate centered on rotating shaft,
Being provided with radially-arranged and corresponding with the quantity of multigroup travel switch pilot hole, each pilot hole can slide along pilot hole
Roller, while being configured with many piece motion bars corresponding with the quantity of multigroup travel switch, the two ends of each motion bar lead to respectively
Corresponding roller supporting is crossed in corresponding pilot hole, and each motion bar is sandwiched in concave wheel surface and corresponding group of travel switch
Between movable contact.
It is preferred that described multigroup travel switch is three groups of travel switches, corresponding, first, second fixed plate
On pilot hole have three respectively, many described motion bars are also three motion bars, to be adapted to operate machine in three-station
Used on structure.
In above-mentioned each scheme, the concave wheel has multiple, is fixed respectively along rotating shaft axially spaced-apart, to be moved more with each part
Plus it is steady.
Further improved to be in above-mentioned each scheme, the roller is designed to by minor diameter axle sleeve and major diameter axle sleeve
The T-shaped axle sleeve of composition, minor diameter axle sleeve is located in pilot hole, and the major diameter axle sleeve is located at outside the pilot hole and described
Between first, second fixed plate, to play certain position-limiting action.
Preferably, the transmission mechanism includes the motor gear moved with associated electric motor, is meshed with motor gear
Gear on worm and the worm gear being meshed with worm screw, are provided with worm gear shaft gear on worm-wheel shaft, and the worm gear shaft gear passes through rack
It is connected with the shaft gear in rotating shaft.
Compared with prior art, due to being additionally arranged pilot hole in first, second fixed plate of the present utility model, and it is additionally arranged
Motion bar and roller, therefore, in action, only make the movable contact of each travel switch make radial motion, are no longer influenced by tangential force,
So as to ensure that the service life of each travel switch.And set up motion bar, roller existing travel switch movable contact with
Face between concave wheel is contacted with face changes into line and linear contact lay, adds the flexibility of each part motion, and motion bar and rolling
Take turns as individual part, material is no longer restricted with heat treatment, so as to be effectively guaranteed the reliability of auxiliary signal switching.Especially
It is applied on three-position switch operation mechanism, and this advantage is more prominent.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model embodiment is arranged on three position mechanism；
Fig. 2 is that bowing for Fig. 1 shows structural representation；
Fig. 3 is Fig. 2 right view；
Fig. 4 is Fig. 2 left view；
Fig. 5 is to keep apart in the A-A closed under "on" position in Fig. 3 to sectional view；
Fig. 6 is that disconnecting switch is in A-A under gate-dividing state in Fig. 3 to sectional view；
Fig. 7 is that disconnecting switch is in A-A under ground state in Fig. 3 to sectional view；
Fig. 8 is the prior art construction schematic diagram of the utility model embodiment (switch is in "on" position)；
Fig. 9 be Fig. 8 in concave wheel rotate counterclockwise after structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
The utility model embodiment can be applied on the switch operating mechanism of two stations.As shown in Figures 1 to 4, it is this reality
Example is applied on the switch operating mechanism of three stations, the switch operating mechanism can be operated with electric or hand, including
Organic frame 10, motor 20, transmission mechanism 30 and position switching auxiliary signal structure, wherein frame 10 includes is distributed from front to back
Panel 101, the first fixed plate 102, the second fixed plate 103 and installing plate 104, close point indicator and be located in the front of frame 10
Panel 101 on, in order to observe.Stretched in outside output shaft behind frame 1, output chain gear 40 is installed on the output shaft.
Above-mentioned position switching auxiliary signal structure includes the rotating shaft being supported on by copper sheathing in first, second fixed plate again
1st, in rotating shaft 1 driven by transmission mechanism 30 concave wheel 2 and three groups of travel switches 3, i.e., first group travel switch 3a,
Second group of travel switch 3b, the 3rd group of travel switch 3c, wherein each group travel switch can be a travel switch；Can also have
Multiple travel switch compositions, the plurality of travel switch is connected in series by screw rod, is fixed installed in the first fixed plate 101 and second
Between plate 102, and each group travel switch is scattered in three rows along the circumferential array of concave wheel 2.It is right respectively in first, second fixed plate
Should be provided with centered on rotating shaft 1, radially-arranged three pilot holes a, be provided with what can be slided along pilot hole in each pilot hole a
In roller 4, the present embodiment, roller 4 is designed to the T-shaped axle sleeve being made up of minor diameter axle sleeve and major diameter axle sleeve, small diameter shaft
Set is located in pilot hole a, and major diameter axle sleeve is located at outside pilot hole and positioned at the inner side of corresponding fixed plate, i.e. major diameter axle sleeve is located at
Between first, second fixed plate, that is, major diameter axle sleeve at the first fixed plate is located at the rear side of the first fixed plate 102, the
Major diameter axle sleeve at two fixed plates 103 is located at the front side of the second fixed plate, to play certain position-limiting action.It is configured with simultaneously
The three piece motion bars corresponding with the quantity of three groups of travel switches, i.e., the second motion bar 5b in an intermediate position, in left side
The first motion bar 5a and the 3rd motion bar 5c in right side, the two ends of each motion bar are plugged in corresponding roller 4 respectively,
Namely by corresponding roller supporting in corresponding pilot hole a, and each motion bar is sandwiched in the surface of concave wheel 2 and corresponding group
Between the movable contact of travel switch.
In order that above-mentioned each motion bar preferably can coordinate with the movable contact of concave wheel, corresponding travel switch, it is above-mentioned recessed
Wheel has at least two, is fixed respectively along the axially spaced-apart of rotating shaft 1.
And above-mentioned transmission mechanism 30 can be preferred to use following structure：It include installed in motor 20, worm shaft (namely
For following worm screws) motor gear 301 and gear on worm 302 of rear end, motor gear 301 and gear on worm 302 be intermeshed, electricity
Motor gear 301 drives gear on worm 302 to move during dynamic operation, and the drive motor gear 301 of gear on worm 302 is transported when manually operated
It is dynamic, so that worm screw 303 moves with associated electric motor.Worm screw 303 is meshed with worm gear again, is to be transported in 90 ° worm screw multi-turn deceleration of motion
Dynamic, the bottom of worm-wheel shaft 304 is filled with worm gear shaft gear 305 (being co-axially mounted with worm gear), and worm gear shaft gear 305 passes through rack 306
It is connected with the shaft gear 307 in rotating shaft 1, so that rotating shaft 1 is passed in motor or manually operated motion, and then can band
Dynamic concave wheel 2 links.
For three station operating mechanisms, when switch is in centre position ("on" position), above-mentioned three motion bars, three rows
Position relationship between Cheng Kaiguan and concave wheel is as follows：As shown in figure 5, the recess nadir of concave wheel 2 is B points, recess both sides are most
High point is A points and C points, and middle travel switch (i.e. second group travel switch 3b) corresponds to the recess of concave wheel, now, second group
Travel switch 3b makes the second motion bar 5b be against on the A of cam points, at this moment second group of stroke in the presence of reset itself spring
Switch connection.And the first motion bar 5a (motion bar for being located at left side in Fig. 5) and the 3rd motion bar 5c are (positioned at right side in Fig. 5
Motion bar) it is against respectively on the convex surface of concave wheel 2, first group of travel switch of the isolated location (open position) of corresponding switch
3rd group of travel switch 3c of 3a (travel switch for being located at left side in Fig. 5) and the earthing position to inductive switch (is located at the right side in Fig. 5
The travel switch of side) movable contact withstood, make first, the 3rd group of travel switch disconnects.(of course, it is possible to according to switch
Action definition, above-mentioned isolated location and earthing position can exchange, i.e., following Fig. 6 isolation signals are connected also can be as ground connection
Signal is connected, and the connection of following Fig. 7 ground signalling can also be connected as isolation signals).
In the above-described state, it is necessary to which when doing isolated location (gate-dividing state) operation, electric or hand operation passes through worm gear snail
The deceleration of bar；Again by the engaged transmission of the engagement of worm-wheel shaft wheel and rack, rack and shaft gear, make concave wheel 2 counterclockwise
Rotation.The rotate counterclockwise of concave wheel 2, the second motion bar 5b is promoted in tangential contact mode, makes the second motion bar 5b from B points to C
Point is slided, and in this motion process, corresponding roller is outside along the pilot hole in the first fixed plate 102, the second fixed plate 103
(away from concave wheel center position in Fig. 6) makees radial alignment motion for side, while the second motion bar 5b promotes second group of travel switch 3b
Movable contact is for linear motion toward second group of travel switch side.Connect when the C points in concave wheel are rotated to the second motion bar 5b tangent lines
When touching, second group of travel switch 3b is pushed up out, second group of travel switch 3b signal access failure, and mechanism, switch are not at centre
Position, isolated location, any position among earthing position.Concave wheel 2 continues rotate counterclockwise, when the first motion bar 5a is from concave wheel
A point tangential contacts and start to slide in B point process, the first motion bar 5b and corresponding roller are along the first fixed plate, second
Pilot hole in fixed plate is moved toward inner side (to concave wheel center position in Fig. 6) radial alignment, while first group of travel switch 3a
Movable contact make radial alignment motion forward.When mechanism, switch isolation Overstroke, concave wheel rotate counterclockwise in place, first
Group travel switch 5a is under the effect of reset itself spring reset force, and first group of travel switch 5a movable contact release is isolated in place
Position signalling is connected, and centre position, earthing position travel switch movable contact are still withstood, centre position, earthing position letter
It is number obstructed, indication mechanism, switch in isolated location.Side of isolation motion bar (i.e. the first motion bar 5a) is opened by first group of stroke simultaneously
Close 3a movable contacts to be pressed at the B of concave wheel points, be ready as shown in fig. 6, being connected for centre position signal below.
When needing to make ground connection operation under figure 5 above state, motor 20 is rotated backward or reversely manually operated, again by snail
The deceleration of worm and gear；Again by the engaged transmission of the engagement of worm-wheel shaft wheel and rack, rack and shaft gear, make concave wheel 2 suitable
Hour hands rotate, and refer to Fig. 7, concave wheel 2 turns clockwise, the second motion bar 5b is promoted in tangential contact mode, make the second activity
Bar 5b is slided from B points to A points, in this motion process, and corresponding roller is along the guiding in the first fixed plate, the second fixed plate
Radial alignment motion is made in hole laterally, while the second motion bar 5b promotes second group of travel switch 3b movable contact toward second group
Travel switch side is for linear motion, when the A points in concave wheel are rotated to the second motion bar tangential contact, the second travel switch quilt
Top is opened, second group of travel switch signal access failure, and mechanism, switch are not at centre position, isolated location, among earthing position
Any position.Concave wheel continues to turn clockwise, the tangential contact at ground side motion bar (i.e. the 3rd motion bar 5c) and concave wheel C points
And start to slide in B point process, the 3rd motion bar and corresponding roller are along the pilot hole in the first fixed plate, the second fixed plate
Toward inner side linear motion, while the movable contact of ground side travel switch (i.e. the 3rd group travel switch 3c) makees forward straight line fortune
It is dynamic.When mechanism, switch ground connection Overstroke, concave wheel turns clockwise in place, and the 3rd group of travel switch resets in reset itself spring
Under power effect, in place, earthing position signal is connected, centre position, isolated location for the movable contact release of the 3rd group of travel switch
Travel switch movable contact is still withstood, centre position, isolated location nonpassage of signal, and indication mechanism, switch are in earthing position.
Simultaneously the 3rd motion bar 5c is grounded the movable contact of side travel switch and is pressed at the B of concave wheel points, as shown in fig. 7, for below
Centre position signal is connected and is ready.
When under earthing position or isolated location state, it is necessary to when going to centre position, action process and above-mentioned action
Process will not be repeated here on the contrary, principle is identical.
Claims (5)
1. the position switching auxiliary signal structure on a kind of switch operating mechanism, includes and is supported in first, second fixed plate
Rotating shaft, the concave wheel driven by transmission mechanism in rotating shaft and multigroup travel switch, multigroup travel switch edge
Concave wheel circumferential array is simultaneously arranged between first, second described fixed plate, it is characterised in that：Described first, second is fixed
Respectively correspondingly be provided with plate centered on rotating shaft, radially-arranged and corresponding with the quantity of multigroup travel switch guiding
The roller that can be slided along pilot hole is installed, while being configured with corresponding with the quantity of multigroup travel switch in hole, each pilot hole
Many motion bars, the two ends of each motion bar are respectively by corresponding roller supporting in corresponding pilot hole, and each motion bar
It is sandwiched between concave wheel surface and the movable contact of corresponding group of travel switch.
2. the position switching auxiliary signal structure on switch operating mechanism according to claim 1, it is characterised in that：It is described
Multigroup travel switch be three groups of travel switches, corresponding, the pilot hole in first, second fixed plate has three respectively,
Many described motion bars are also three motion bars.
3. the position switching auxiliary signal structure on switch operating mechanism according to claim 1 or 2, it is characterised in that：
The concave wheel has multiple, is fixed respectively along rotating shaft axially spaced-apart.
4. the position switching auxiliary signal structure on switch operating mechanism according to claim 1 or 2, it is characterised in that：
The roller is designed to the T-shaped axle sleeve being made up of minor diameter axle sleeve and major diameter axle sleeve, and minor diameter axle sleeve is located in pilot hole,
The major diameter axle sleeve is located at outside the pilot hole and between first, second fixed plate.
5. the position switching auxiliary signal structure on switch operating mechanism according to claim 1 or 2, it is characterised in that：
The transmission mechanism include the motor gear moved with associated electric motor, the gear on worm being meshed with motor gear and with worm screw phase
The worm gear of engagement, is provided with worm gear shaft gear on worm-wheel shaft, and the worm gear shaft gear passes through rack and turning in rotating shaft
Shaft gear is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036451.XU CN206388616U (en) | 2017-01-12 | 2017-01-12 | Position switching auxiliary signal structure on switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036451.XU CN206388616U (en) | 2017-01-12 | 2017-01-12 | Position switching auxiliary signal structure on switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388616U true CN206388616U (en) | 2017-08-08 |
Family
ID=59492456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036451.XU Expired - Fee Related CN206388616U (en) | 2017-01-12 | 2017-01-12 | Position switching auxiliary signal structure on switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388616U (en) |
-
2017
- 2017-01-12 CN CN201720036451.XU patent/CN206388616U/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 |
Granted publication date: 20170808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |