CN213223766U - Coil stripping trolley position redundancy detection device based on stay-supported displacement sensor - Google Patents
Coil stripping trolley position redundancy detection device based on stay-supported displacement sensor Download PDFInfo
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- CN213223766U CN213223766U CN202021527289.XU CN202021527289U CN213223766U CN 213223766 U CN213223766 U CN 213223766U CN 202021527289 U CN202021527289 U CN 202021527289U CN 213223766 U CN213223766 U CN 213223766U
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- displacement sensor
- coil stripping
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- trolley
- wire rope
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Abstract
The utility model discloses a coil stripping trolley position redundancy detection device based on a stay-supported displacement sensor, belonging to the technical field of hot rolled strip workshop recoiling machines, wherein an encoder is arranged on the wheel of the coil stripping trolley; the coil stripping trolley position redundancy detection device comprises: a drum for collecting the wire rope; a fixed pulley for guiding the steel wire rope; one end of the steel wire rope is wound on the winding drum, and the other end of the steel wire rope is connected to the coil stripping trolley; the pull-wire type displacement sensor is used for detecting the position of the coil stripping trolley; a mechanism for driving the stay wire of the stay wire type displacement sensor to move transversely along the wall surface of the hydraulic station; the winding drum is fixed on the ground of the hydraulic station, and the pull wire end of the pull wire type displacement sensor is fixedly connected with the steel wire rope through a support. The utility model discloses an encoder and stay-supported displacement sensor carry out the redundancy to the position of the dolly of unloading a roll and detect, and when the encoder broke down, usable stay-supported displacement sensor detected, avoided because the encoder trouble causes the accident down time of rolling the line.
Description
Technical Field
The utility model belongs to the technical field of hot rolling slab band workshop coiler, concretely relates to coil stripping dolly position redundancy detection device based on stay-supported displacement sensor.
Background
The coiler is an important component of a steel rolling workshop and is arranged at the tail of a hot strip continuous rolling line. The steel coil finishing mill has the function of coiling the rolled strip steel of the finishing mill so as to facilitate the transportation of the steel coil. The coiling machine comprises a coil unloading trolley, and the device is arranged right below the coiling machine. And the coil of steel coiled by the coiling machine is unloaded from the coiling drum and transported to a bundling station. The coil stripping trolley is driven by hydraulic pressure, the trolley is driven by a hydraulic cylinder arranged at the lower end of the trolley to lift a steel coil, and the lifting height of the trolley is detected by a displacement sensor arranged in the hydraulic cylinder at the position for automatically controlling the lifting of the trolley, so that the trolley is automatically controlled in the coiling process. The transverse movement of the coil stripping trolley is driven by a hydraulic motor arranged on the coil stripping trolley, the position of the trolley in the transverse movement direction in the automatic control process is detected by an encoder arranged on wheels of the trolley, and the reading of the encoder plays an important role in the automatic control process of coiling, and if the reading is inaccurate, the position of a steel coil in the coil stripping process is directly influenced, so that accidents are caused to subsequent coil conveying. If no reading is given, the coiler has no production condition and cannot carry out production. The coil stripping trolley is arranged right below the coiling machine in the production process, and the trolley and the encoder are influenced by cooling water of the coiling machine and are in a severe environment, so that the encoder is frequently in fault. And after a fault occurs, the production can be continued only by replacing the encoder, so that the normal production of the rolling line is seriously influenced. When solving the encoder and breaking down, do not influence the normal production of rolling the line, be used for detecting the dolly position through installing stay-supported displacement sensor additional to the dolly, when the encoder still breaks down, switching that can be quick is controlled for displacement sensor, avoids the accident down time that causes from this. Considering the harsh environment of the position of the trolley, if the stay wire type displacement sensor is arranged beside the trolley, the stay wire type displacement sensor is corroded by water vapor for a long time, and the service life of the stay wire type displacement sensor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem who exists among the known art, provide a coil stripping dolly position redundancy detection device based on stay-supported displacement sensor, be applicable to the hot rolling slab band workshop coiler and coil stripping dolly, on the basis of original encoder, install stay-supported displacement sensor additional as reserve for detect the position of coil stripping dolly, when the encoder still breaks down, can carry out the position through stay-supported displacement sensor and detect, guarantee the stable production of rolling the line.
The utility model aims at providing a coil stripping trolley position redundancy detection device based on a stay-supported displacement sensor, wherein the coil stripping trolley comprises a coil stripping trolley track (1), a coil stripping trolley wheel (2) positioned above the coil stripping trolley track (1) and a coil stripping trolley body (3); the wheels (2) of the coil stripping trolley are provided with encoders; the method is characterized in that: the coil stripping trolley position redundancy detection device comprises:
a drum (4) for collecting the wire rope;
a fixed pulley (5) for guiding the wire rope;
one end of the steel wire rope is wound on the winding drum (4), and the other end of the steel wire rope is connected with a steel wire rope (6) on the coil stripping trolley;
a stay wire type displacement sensor (7) for detecting the position of the coil stripping trolley;
a mechanism for driving the stay wire of the stay wire type displacement sensor (7) to move transversely along the wall surface of the hydraulic station; wherein:
the winding drum (4) is fixed on the ground of the hydraulic station, and the pull wire end of the pull wire type displacement sensor (7) is fixedly connected with the steel wire rope (6) through a support (10).
Preferably, the fixed pulley (5) is fixed on a wall.
Preferably, the steel wire ropes (6) are connected through steel wire rope buckles by a support welded on the coil stripping trolley body (3).
Preferably, a counterweight (11) is installed at the fixed connection position of the steel wire rope (6) and the bracket (10).
Preferably, the winding drum (4) is fixed on the ground of a hydraulic station, and a coil spring is arranged in the winding drum.
Preferably, a fixing frame (8) for connecting a steel wire rope is welded on the coil stripping trolley body (3).
Preferably, the fixing frame (8) is an angle iron.
Preferably, the steel wire rope (6) is connected with the fixed frame (8) through a rope buckle (9).
The utility model has the advantages and positive effects that:
through adopting the technical scheme, the utility model discloses on being used for detecting dolly position encoder's basis in original coil stripping dolly automatic control, install the position that stay-supported displacement sensor is used for detecting the dolly additional, and utilize reel and wire rope to install displacement sensor in the hydraulic pressure station outside the coiling machine, improved stay-supported displacement sensor's environment, increased displacement sensor's life. When coil stripping dolly encoder is normal, encoder and stay-supported displacement sensor all can export exact detection information to realize redundant detection, when coil stripping dolly encoder once breaks down, utilize displacement sensor that can be quick carry out reserve detection, reduce the accident down time that from this causes, guarantee the stable production of rolling the line.
Drawings
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a top view of a preferred embodiment of the present invention;
fig. 3 is a partial structure diagram of the preferred embodiment of the present invention, which is used to show the connection relationship among the stay wire type displacement sensor, the connecting bracket and the counterweight;
fig. 4 is a partial structural view of the preferred embodiment of the present invention, which is used for showing the structure of the rope buckle.
Wherein: 1. an uncoiling trolley track; 2. coil stripping trolley wheels; 3. a coil stripping trolley body; 4. a reel; 5. a fixed pulley; 6. a wire rope; 7. a pull-string type displacement sensor; 8. a fixed mount; 9. a rope fastener; 10. connecting a bracket; 11. and (4) balancing weight.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 4, the technical solution of the present invention is:
according to the experience in actual production, an encoder used for detecting the actual position of the coil stripping trolley in the automatic control process of the trolley is arranged on a wheel of the coil stripping trolley, the reading of the encoder plays an important role in the automatic coil passing control process, but the environment where the coil stripping trolley and the encoder are affected by cooling water of a coiling machine is severe, and the encoder is frequently in fault. And after a fault occurs, the production can be continued only by replacing the encoder, so that the normal production of the rolling line is seriously influenced. When solving the encoder and breaking down, do not influence the normal production of rolling the line, be used for detecting the dolly position through installing stay-supported displacement sensor additional to the dolly, when the encoder still breaks down, switching that can be quick is controlled for displacement sensor, avoids the accident down time that causes from this.
A redundant detection device of coil stripping dolly position based on stay-supported displacement transducer, is suitable for the coil stripping dolly of the hot-rolled plate strip workshop coiler; the coil stripping trolley comprises a coil stripping trolley track 1, coil stripping trolley wheels 2 and a coil stripping trolley body 3, wherein the coil stripping trolley wheels 2 and the coil stripping trolley body 3 are positioned above the coil stripping trolley track 1; the coil stripping trolley position redundancy detection device comprises:
a winding drum 4 fixed on the ground of the hydraulic station for collecting the steel wire rope;
a fixed pulley 5 fixed on the wall for guiding the steel wire rope;
a steel wire rope 6 positioned between the winding drum and the coil stripping trolley;
a stay wire type displacement sensor 7 fixed on the wall of the hydraulic station;
a mechanism for driving the stay wire of the stay wire type displacement sensor 7 to move transversely along the wall surface of the hydraulic station; wherein:
the winding drum 4 for collecting the steel wire rope is fixed on the ground of the hydraulic station, the fixed pulley 6 is fixed on the wall and plays a role in guiding when the steel wire rope moves transversely, one end of the steel wire rope 6 is connected with the winding drum 4, the other end of the steel wire rope is connected with the other end of the steel wire rope 6 through a rope buckle 9 through a fixed frame 8 welded on the trolley body 3, the pull wire end of the pull wire type displacement sensor 7 is fixed with the set position of the steel wire rope through a connecting support 10, and a balance weight 11 is hung at the fixed position of the pull wire type displacement sensor for ensuring the stability.
Preferably, the method comprises the following steps: the fixed pulley 5 comprises two front pulleys which are respectively fixed on the wall of the hydraulic station and the wall beside the trolley.
The coil spring is arranged in the winding drum 4, so that the steel wire rope can be automatically retracted, and a certain tension is formed between the steel wire and the trolley.
The steel wire rope is connected with the fixing frame through a rope buckle 9.
The connecting bracket 10 for fixing the stay wire and the steel wire rope of the displacement sensor is processed by flat iron.
In the preferred embodiment described above: the winding drum for collecting the steel wire rope is fixed on the ground of the hydraulic station, a coil spring is arranged in the winding drum, when the steel wire rope extends out, the winding drum rotates to send out the steel wire rope, when the steel wire rope retracts, the steel wire rope can be automatically wound on the winding drum and used for collecting the used steel wire rope, the wall of the hydraulic station and the wall beside the trolley are arranged at an angle of 90 degrees, three fixed pulleys are arranged on the wall, the steel wire rope passes through the winding drum and the fixed pulleys, and the other end of the steel wire rope is connected with the coil. The stay wire type displacement sensor is fixed on a wall of the hydraulic station, the top end of the stay wire is fixed with the set position of the steel wire, the steel wire is driven to synchronously move when the coil stripping trolley transversely moves, a certain tension is formed between the steel wire rope and the trolley under the action of the winding drum, the steel wire rope can straightly slide on the pulley, meanwhile, the stay wire of the displacement sensor and the steel wire rope synchronously move, a balance weight is fixed at the joint of the end part of the pull rod and the steel wire, the shaking generated in the movement process of the steel wire is avoided, and the reading accuracy of the stay wire type displacement sensor. According to the extension of the stay wire, the stay wire displacement sensor generates a reading for controlling the position of the trolley in the automatic control process of the trolley. When the coil stripping trolley encoder fails, the coil stripping trolley encoder can be directly switched to the pull-wire type displacement sensor to control the trolley, and the shutdown time of a wire rolling accident caused by the encoder failure is avoided.
The working principle is as follows: in the in-process that uses, it is fixed that the support is passed through with wire rope one end to the dolly that unloads, drives wire rope synchronization action all the time when the dolly sideslip action of unloading, and wire rope is connected with the stay-supported displacement sensor pull rod, the utility model discloses a reel for collecting wire rope makes wire rope form certain tension between dolly and reel at dolly sideslip action in-process, ensures that wire rope can be under the pulley action straight slip, and the fixed counter weight of pull rod tip and steel wire junction avoids rocking that produces in the steel wire motion process, and then has ensured the accuracy of displacement sensor reading.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (8)
1. A coil stripping trolley position redundancy detection device based on a stay-supported displacement sensor is disclosed, wherein the coil stripping trolley comprises a coil stripping trolley track (1), coil stripping trolley wheels (2) and a coil stripping trolley body (3), wherein the coil stripping trolley wheels are positioned above the coil stripping trolley track (1); the wheels (2) of the coil stripping trolley are provided with encoders; the method is characterized in that: the coil stripping trolley position redundancy detection device comprises:
a drum (4) for collecting the wire rope;
a fixed pulley (5) for guiding the wire rope;
one end of the steel wire rope is wound on the winding drum (4), and the other end of the steel wire rope is connected with a steel wire rope (6) on the coil stripping trolley;
a stay wire type displacement sensor (7) for detecting the position of the coil stripping trolley;
a mechanism for driving the stay wire of the stay wire type displacement sensor (7) to move transversely along the wall surface of the hydraulic station; wherein:
the winding drum (4) is fixed on the ground of the hydraulic station, and the pull wire end of the pull wire type displacement sensor (7) is fixedly connected with the steel wire rope (6) through a support (10).
2. The pull-wire displacement sensor-based unwinding trolley position redundancy detection device according to claim 1, characterized in that the fixed pulley (5) is fixed on a wall.
3. The device for detecting the position redundancy of the coil stripping trolley based on the stay wire displacement sensor as claimed in claim 1 or 2, characterized in that the steel wire ropes (6) are connected by steel wire rope buckles through brackets welded on the coil stripping trolley body (3).
4. The device for detecting the position redundancy of the coil stripping trolley based on the stay wire type displacement sensor is characterized in that a counterweight (11) is installed at the fixed connection position of the steel wire rope (6) and the bracket (10).
5. The pull-wire displacement sensor-based unwinding trolley position redundancy detection device of claim 1, wherein the winding drum (4) is fixed on the hydraulic station ground, and a coil spring is arranged in the winding drum.
6. The unwinding trolley position redundancy detection device based on the stay-supported displacement sensor according to claim 1, characterized in that the unwinding trolley body (3) is welded with a fixing frame (8) for connecting a steel wire rope.
7. The pull-wire displacement sensor-based unwinding trolley position redundancy detection device according to claim 6, characterized in that the fixing frame (8) is an angle iron.
8. The device for detecting the position redundancy of the coil stripping trolley based on the stay wire type displacement sensor is characterized in that the steel wire rope (6) is connected with the fixed frame (8) through a rope buckle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527289.XU CN213223766U (en) | 2020-07-29 | 2020-07-29 | Coil stripping trolley position redundancy detection device based on stay-supported displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527289.XU CN213223766U (en) | 2020-07-29 | 2020-07-29 | Coil stripping trolley position redundancy detection device based on stay-supported displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213223766U true CN213223766U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021527289.XU Active CN213223766U (en) | 2020-07-29 | 2020-07-29 | Coil stripping trolley position redundancy detection device based on stay-supported displacement sensor |
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| Country | Link |
|---|---|
| CN (1) | CN213223766U (en) |
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2020
- 2020-07-29 CN CN202021527289.XU patent/CN213223766U/en active Active
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