CN201565473U - Locating device - Google Patents
Locating device Download PDFInfo
- Publication number
- CN201565473U CN201565473U CN200920352158XU CN200920352158U CN201565473U CN 201565473 U CN201565473 U CN 201565473U CN 200920352158X U CN200920352158X U CN 200920352158XU CN 200920352158 U CN200920352158 U CN 200920352158U CN 201565473 U CN201565473 U CN 201565473U
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- fixed
- hall element
- sender head
- positioner
- sender
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Abstract
The utility model provides a locating device, including a bottom board, a Hall element fixed on the bottom board; a bearing carrier fixed on the bottom board, separated from the Hall element and located on right front of the Hall element; a high precision bearing fixed on the bearing carrier; a chaining shaft fixed with the high precision bearing bidirectionally through the bearing carrier; a hinge mechanism fixed by the high precision bearing which is used for rotation of the chaining shaft and the hinge mechanism; a message-transmitting head fixed on the hinge mechanism and rotating through the high precision bearing; a tension spring fixed on the bottom board and the message-transmitting head for resetting the message-transmitting head. When the message-transmitting head is collided with a message-transmitting device fixed on the locating device, the message-transmitting heat is rotated, when the message-transmitting head is out from a detection range of the Hall element, the Hall element transmits a detection signal to an external control unit. The locating device of the utility model has advantages of high precision and reliable operation, and is capable of adapting adverse environment.
Description
Technical field
The utility model relates to a kind of positioner, relates in particular to a kind of rail mounted coil of strip garage that is used for cold rolling each the operation output strip line of metallurgy industry and walks positioner.
Background technology
In the modern automation production line, many places all need to carry out accurate localization control, as the walking of cold rolling mill coil of strip car.For security consideration, generally the coil of strip carriage walking arrives assigned address rising or the rising of rotation back under workbench, exposes workbench and carries out work.Need the coil of strip car to walk accurately in this course and rise again behind the location, so as not in uphill process bump surrounding devices and cause substantial equipment damage and personnel's injury.Therefore, accurate walking detection and location are vital.
Mainly control in present stage by the detection and localization of walking near switch, photoelectric tube, laser range finder etc., but because the coil of strip car works under the workbench, among the melt pit, being present under the workbench more or less such as hydraulic oil, strapping, steel scrap limit silk, cause the unstable working condition of the said equipment in melt pit, often the phenomenon of damage and mistaking signal occurs, coil of strip car, peripheral equipment and staff's safety is on the hazard.
At present, domestic metallurgy industry rail mounted coil of strip garage walks general employing of position device and detects control near switch, encoder, limit switch, yet in use there is following problem in above-mentioned walking positioning device:
1, uses the problem that exists near switch
Because of the difference of assembly precision, track glacing flatness, repair quality difference, track and wheel wear extent, the swing in the certain limit can appear to rail mounted coil of strip car in car body in the process of walking.Consider from the positioning accuracy aspect, generally select for use check distance range be 3mm-6mm be the car body location near switch.When the hunting range of car body surpasses above-mentioned value range, can cause being scratched or phenomenon occurring detecting, thereby cause car body can't locate and bring out serious accident in the position of regulation less than car body near switch.
2, the problem of using encoder to exist
In order to detect coil of strip car position, encoder need be installed on the axis of wheel rotation, the rotation by axis of wheel rotation drives encoder and rotates and realize detecting.Said method comes down to calculate the distance that wheel is passed by by the angle that detects the wheel rotation.When railcar wheel and track skid, mistake can appear detecting, and cause the coil of strip car in automated procedure, to locate wrong and serious accident takes place.
3, the problem of operating limit switch existence
Require in ± 5mm scope because the CCP accuracy of detection of the rail mounted coil of strip car of steel rolling equipment technical field is general, and the limit switch accuracy of detection is centimetre to be unit, so accuracy of detection is lower, is only applicable to low limit of accuracy position and detects.
Therefore, need a kind of precision height, reliable, the positioning equipment that adapts to adverse circumstances.
The utility model content
The purpose of this utility model is to provide a kind of precision height, reliable, the positioner that adapts to adverse circumstances.
To achieve these goals, the utility model provides a kind of positioner, and this positioner comprises: base plate; Hall element is fixed on the base plate; Bearing block is fixed on the base plate dividually with Hall element and is positioned at the dead ahead of Hall element; High-precision bearing is fixed on the bearing block top; The link axle is undertaken two-way fixing by bearing block and high-precision bearing; Linkage is fixed by high-precision bearing, and described high-precision bearing is used for the rotation of hinge axis and linkage; The sender head is fixed on the linkage, is rotated by high-precision bearing; Extension spring is fixed on base plate and the sender head, is used to make the sender head to reset, wherein, when the signalling generator collision on the sender head and the device that is positioned, the rotation of sender head, when the sender head left the detection range of Hall element, Hall element sent to the external control unit with detection signal.
In exemplary embodiment of the present utility model, described positioner also comprises angle square board, and Hall element is fixed on the base plate by angle square board.Link axle and linkage can form.
Described positioner also can comprise hinge pillar and carbine, and extension spring is fixed on the base plate and by carbine by hinge pillar and is fixed on the sender head.
In one embodiment, described bearing block can be parallel on same vertical plane with the Hall element axial line along the center line of Hall element axial line direction.
Described sender head can be made by steel construction.
Screw rod can link to each other with threaded hole on the described bearing block, and an end of described screw rod is fixed with hex nut, and described hex nut is by adjusting the screw-in depth and the tie down screw of coupled screw rod.The ring-shaped groove of described linkage prevents to link axle with described hex nut and linkage is drawn out bearing block under the effect of external force.At the opposite side of described screw rod with respect to the sender head, be provided with another screw rod, described another screw rod links to each other with threaded hole on the bearing block, is provided with compression spring and steel ball in the described hole, and described steel ball cooperates with locating hole on the hinge axis by described compression spring.
Description of drawings
By the detailed description of carrying out below in conjunction with accompanying drawing, above-mentioned and other purposes of the present utility model and characteristics will become apparent, wherein:
Fig. 1 shows the front view of walking the structure of positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment;
Fig. 2 is a side view of walking positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment;
Fig. 3 walks the K of positioner to view according to the rail mounted coil of strip garage of the utility model exemplary embodiment;
Fig. 4 is a schematic diagram of walking positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment;
Fig. 5 shows the schematic diagram that how to calculate sender head minimum wobble angle;
Fig. 6 shows the schematic diagram that the mobile triangle that how to utilize in the sender head moving process is accurately determined anchor point.
The specific embodiment
Below, describe embodiment of the present utility model in detail with reference to accompanying drawing.
Fig. 1 shows the front view of walking the structure of positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment, Fig. 2 is a side view of walking positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment, Fig. 3 be walk positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment K to view, Fig. 4 is a schematic diagram of walking positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment.
Referring to figs. 1 to Fig. 4, walk positioner according to the rail mounted coil of strip garage of the utility model exemplary embodiment and comprise base plate 1, interior hexagonal chapiter screw 2, angle square board 3, Hall element 4, hexagon thin nut 5, case 6, bearing block 7, interior hexagonal chapiter screw 8, link axle 9, high-precision bearing 10, sender head 11, interior hexagonal chapiter screw 12, extension spring 13, hex nut 14, steel ball 15, cylindroid helical-coil compression spring 16, hexagon-headed bolt 17, hinge pillar 18, carbine 19, T type position signalling generator 20, linkage 21, ring-shaped groove 22 and locating hole 23.
Specifically, angle square board 3 is installed in Hall element 4 on the base plate 1 by interior hexagonal chapiter screw, and Hall element 4 is fixed on the angle square board 3 by hexagon thin nut 5.As illustrated in fig. 1 and 2, angle square board 3 comprises two parts, that is, and and horizontal component and vertical component.Specifically, the horizontal component of angle square board 3 is fixed on the base plate 1 by interior hexagonal chapiter screw, and the vertical component of angle square board 3 fixes Hall element 4 by hexagon thin nut 5.Hall element 4 detects the position of sender head 11, and testing result is sent to control module.Sender head 11 can be made by steel construction.Preferably, sender head 11 can be formed by No. 45 steels.Case 6 is installed on the base plate 1 by interior hexagonal chapiter screw 2, with protection Hall element 4.Bearing block 7 is fixed on the base plate 1 by interior hexagonal chapiter screw 8, and is positioned at the dead ahead of Hall element.Specifically, bearing block 7 is installed according to the installing hole on the base plate (not shown, corresponding with the position of interior hexagonal chapiter screw 8), and the position of concrete installing hole is to cooperate and determine according to each element actual size size of installing on the base plate and correlation.In addition, owing to finally need to install sender head 11 on the bearing block 7, and the longitudinal centre line of sender head 11 need overlap with the axial line of Hall element 4, so bearing block 7 is parallel on same vertical plane with Hall element 4 axial line along the center line of Hall element 4 axial line directions.Link axle 9, high-precision bearing 10 and linkage 21 are fixed on the base plate 1 by bearing block 7.Specifically, link axle 9 can form with linkage 21, link axle 9 carries out upper fixed by high-precision bearing 10, and it is fixing to carry out below by bearing block 7, like this linkage 21 with link 9 these machinery integrals (cylindrical) just realized about the fixing of two aspects.The top elder generation of bearing block 7 is high-precision bearing 10 fixedly, and then fix by high-precision bearing 10 and linkage 21, the below of bearing block 7 (promptly, side near base plate) fix by matched in clearance and hinge axis 9, so just can rotating hinge chain rivet 9 and linkage 21 by high-precision bearing 10.Sender head 11 is fixed on the linkage 21 by interior hexagonal chapiter screw 12, thereby sender head 11 can be rotated by high-precision bearing 10.In addition, the ring-shaped grooves 22 in the middle of the linkage 21 prevent to link axle 9 with hex nut 14 and linkage 21 is drawn out bearing block 7 under the effect of external force.Specifically, hex nut 14 is fixed on the screw rod that is attached thereto, and links to each other with threaded hole on the bearing block 7 by screw rod, by being threaded in the bearing block 7, can contact with the ring-shaped groove 22 in the middle of the linkage 21.Hex nut 14 is by adjusting the screw-in depth and the tie down screw of coupled screw rod, thereby prevents to link axle 9 and linkage 21 is drawn out bearing block 7 under the effect of external force.At the opposite side of the screw rod that links to each other with hex nut 14 with respect to sender head 11, be provided with another screw rod, hexagon-headed bolt 17 links to each other with threaded hole on the bearing block 7 by described another screw rod, by being threaded in the bearing block 7, thereby compression spring 16 and steel ball 15 (described compression spring 16 and steel ball 15 are arranged in described hole), and hexagon-headed bolt 17 is positioned at the end of described another screw rod.Steel ball 15 cooperates with hole (as locating hole 23) on the hinge axis 9 by compression spring 16 (for example, cylindroid helical-coil compression spring) and hexagon-headed bolt 17.Hexagon-headed bolt 17 is regulated the pressure of 16 pairs of steel balls 15 of cylindroid helical-coil compression spring, thereby adjusts the pressure of the hole on 15 pairs of link axles 9 of steel ball, and the pulling force synergy of this pressure and extension spring 13 remains on the same axis sender head 11 and Hall element 4.Extension spring 13 is fixed on the base plate 1 and by carbine 19 by hinge pillar 18 and is fixed on the sender head 11.
Specifically describe the course of work that positioner is walked by rail mounted coil of strip garage according to an exemplary embodiment of the present invention with reference to Fig. 1 to Fig. 4 below.
With reference to Fig. 4, when (for example being positioned device, when walking dolly) walking, be installed in the T type position signalling generator 20 collision sender heads 11 on the device that is positioned, the interior ring of sender head 11 drive high-precision bearings 10, link axle 9 and linkage 21 rotations make steel ball 15 compress the locating hole 23 on cylindroid helical-coil compression springs 16 and the disengaging link axle 9.When the detection edge of Hall element 4 was left in 11 rotations of sender head, Hall element 4 sent position detection signal to outside control device, the walking position of device thereby control is positioned.
When the T type position signalling generator 20 on being installed in the device that is positioned broke away from sender head 11, sender head 11 resetted to the axis direction of Hall element 4 under the effect of extension spring 13.When the dead in line of the axis of sender head 11 and Hall element 4, steel ball 15 just in time snaps under the pressure of cylindroid helical-coil compression spring 16 in the locating hole 23 of link axle 9, thereby guarantee that sender head 11 needs the effect of enough external force could rotate down and leaves latched position (that is the position of the dead in line of the axis of Hall element 4 and sender head 11).
With reference to Fig. 5 and Fig. 6 the operation principle that positioner is walked by rail mounted coil of strip garage is according to an exemplary embodiment of the present invention described below.
Fig. 5 shows the schematic diagram that how to calculate sender head minimum wobble angle, and Fig. 6 shows the schematic diagram that the mobile triangle that how to utilize in the sender head moving process is accurately determined anchor point.
According to the characteristics of above-mentioned Hall element, can determine the minimum wobble angle beta that sender head 11 senders are required.
According to Fig. 5 as can be known:
β＝180-2α (3)
As shown in Figure 5, L
11Be the tip length of sender head 11, L
11' be the front end length of sender head 11, T
11Be 1/2nd of the thickness of sender head 11, R
11Be the terminal radius of turn of sender head, R
11' be sender head 11 front end radiuss of turn.
According to Fig. 6 as can be known, sender head 11 has formed a mobile triangle A (as shown in Figure 6) in rotary course, and the angle β among Fig. 5 equals the angle θ (that is the required minimum wobble angle of sender head 11 senders) among Fig. 6.According to mobile triangle A, according to triangle sine formula A/sina=B/sinb=C/sinc, can determine T type position signalling generator 20 length 1/2nd, thereby can accurately control the position of anchor point.Specifically, in mobile triangle A,, can determine that an angle is the right angle by the installation process of this equipment.In addition, in installation process, can also determine the distance of the rotary middle point and the T type position signalling generator 20 of sender head 11.Like this, according to sine formula, can calculate T type position signalling generator 20 length 1/2nd, thereby can determine the position (that is 1/2nd places of the length of T type position signalling generator) of anchor point.
Wherein, as shown in Figure 6, L is that Hall element detects edge line, P
11Be the center of sender head 11, P11 ' is sender hair news position, L
11' be the front end length of sender head 11, L
TBe 1/2nd of the length of T type position signalling generator.
Referring to figs. 1 through Fig. 6 as can be known, be installed in T type position signalling generator 20 on the walking dolly (see figure 6) because of 11 collisions of carriage walking and sender head, sender head 11 drives interior ring and the link axle 9 and linkage 21 rotations of high-precision bearing 10, thereby make steel ball 15 compression cylindroid helical-coil compression springs 16 break away from the locating hole that links on the axle 9, thereby sender head 11 is along the circumferencial direction non-resistance ground rotation of link axle 9.
When the T type position signalling generator 20 on the walking dolly broke away from sender head 11 gradually, the axle center axis of sender head 11 axis direction to Hall element 4 under the spring tension effect of extension spring 13 resetted.When the dead in line of the axis of sender head 11 and Hall element 4, steel ball 15 just in time snaps under the pressure effect of cylindroid helical-coil compression spring 16 in the locating hole 23 of link axle 9, thereby guarantees that sender head 11 needs the effect of enough external force to rotate and leaves latched position.
As mentioned above, the angle of sender head 11 terminal rotations is to determine according to the detection edge of Hall element.When the detection edge of Hall element 4 is left in 11 rotations of sender head (, sender head 11 breaks away from the moment of the detection range of Hall element 4), Hall element will detect a trailing edge edge.Enter moment of detection range of the Hall element of disengaging when sender head 11, Hall element will detect a rising edge edge.
Therefore, in embodiment of the present utility model, when coil of strip car forward was walked, T type position signalling generator 20 collisions of installing on the coil of strip car were according to the sender head 11 of positioner of the present utility model, sender head 11 impels the afterbody rotation of sender head 11 by 10 rotations of the high-precision bearing on the central point.When T type position signalling generator 20 was followed coil of strip car arrival anchor point, the afterbody of sender head 11 just in time broke away from the edge of Hall element, triggers sender signal trailing edge.When the coil of strip car returned, T type position signalling generator 20 collided the sender head 11 of positioner in the other direction under the coil of strip car drives, and sender head 11 makes sender definite radian of portion's rotation end to end by 10 rotations of high-precision bearing on the central point.When T type position signalling generator 20 was followed coil of strip car arrival anchor point, the afterbody of sender head just in time broke away from Hall element 4 edges, triggers sender signal trailing edge.Therefore, according to positioner of the present utility model can realize signalling generator≤± repetitive positioning accuracy of 2mm.
Described exemplary embodiment of the present utility model in conjunction with the accompanying drawings in detail, but the utility model is not limited thereto.Under the situation that does not break away from spirit and scope of the present utility model, can make modification on the various details to embodiment.
Claims (9)
1. positioner is characterized in that described positioner comprises:
Base plate;
Hall element is fixed on the base plate;
Bearing block is fixed on the base plate dividually with Hall element and is positioned at the dead ahead of Hall element;
High-precision bearing is fixed on the bearing block top;
The link axle is undertaken two-way fixing by bearing block and high-precision bearing;
Linkage is fixed by high-precision bearing, and described high-precision bearing is used for the rotation of hinge axis and linkage;
The sender head is fixed on the linkage, is rotated by high-precision bearing;
Extension spring is fixed on base plate and the sender head, is used to make the sender head to reset,
Wherein, when the signalling generator collision on the sender head and the device that is positioned, the rotation of sender head, when the sender head left the detection range of Hall element, Hall element sent to the external control unit with detection signal.
2. positioner according to claim 1 is characterized in that described positioner also comprises angle square board, and Hall element is fixed on the base plate by angle square board.
3. positioner according to claim 1 is characterized in that, link axle and linkage can form.
4. positioner according to claim 1 is characterized in that described positioner also comprises hinge pillar and carbine, and extension spring is fixed on the base plate and by carbine by hinge pillar and is fixed on the sender head.
5. positioner according to claim 1 is characterized in that, described bearing block is parallel on same vertical plane with the Hall element axial line along the center line of Hall element axial line direction.
6. positioner according to claim 1 is characterized in that, described sender head is made by steel construction.
7. positioner according to claim 1 is characterized in that, screw rod links to each other with threaded hole on the described bearing block, and an end of described screw rod is fixed with hex nut, and described hex nut is by adjusting the screw-in depth and the tie down screw of coupled screw rod.
8. positioner according to claim 7 is characterized in that, the ring-shaped groove of described linkage prevents to link axle with described hex nut and linkage is drawn out bearing block under the effect of external force.
9. positioner according to claim 7, it is characterized in that, at the opposite side of described screw rod with respect to the sender head, be provided with another screw rod, described another screw rod links to each other with threaded hole on the bearing block, be provided with compression spring and steel ball in the described hole, described steel ball cooperates with locating hole on the hinge axis by described compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920352158XU CN201565473U (en) | 2009-12-30 | 2009-12-30 | Locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920352158XU CN201565473U (en) | 2009-12-30 | 2009-12-30 | Locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565473U true CN201565473U (en) | 2010-09-01 |
Family
ID=42657754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920352158XU Expired - Fee Related CN201565473U (en) | 2009-12-30 | 2009-12-30 | Locating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062541A (en) * | 2010-12-10 | 2011-05-18 | 西南铝业（集团）有限责任公司 | Control method and device for spacing and locking processing plant in furnace |
| CN107144198A (en) * | 2017-06-07 | 2017-09-08 | 济南重工股份有限公司 | With wheel to examining frock and method after one kind |
-
2009
- 2009-12-30 CN CN200920352158XU patent/CN201565473U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062541A (en) * | 2010-12-10 | 2011-05-18 | 西南铝业（集团）有限责任公司 | Control method and device for spacing and locking processing plant in furnace |
| CN102062541B (en) * | 2010-12-10 | 2013-03-20 | 西南铝业（集团）有限责任公司 | Control method and device for spacing and locking processing plant in furnace |
| CN107144198A (en) * | 2017-06-07 | 2017-09-08 | 济南重工股份有限公司 | With wheel to examining frock and method after one kind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20100901 Termination date: 20161230 |