CN215592031U - Rotary limiting device for bucket wheel machine of thermal power plant - Google Patents
Rotary limiting device for bucket wheel machine of thermal power plant Download PDFInfo
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- CN215592031U CN215592031U CN202122335089.5U CN202122335089U CN215592031U CN 215592031 U CN215592031 U CN 215592031U CN 202122335089 U CN202122335089 U CN 202122335089U CN 215592031 U CN215592031 U CN 215592031U
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Abstract
The utility model provides a rotation limiting device for a bucket wheel machine of a thermal power plant. Thermal power plant bucket wheel machine gyration stop device includes: the device comprises a gear box, a control box, a transmission mechanism and a light-sensitive detection mechanism, wherein the control box is fixedly arranged at the top of the gear box; the transmission mechanism is arranged on the gear box and comprises a first rotating shaft, and the first rotating shaft is rotatably and hermetically arranged in the gear box. According to the rotation limiting device of the bucket wheel machine of the thermal power plant, provided by the utility model, the gear box, the control box, the transmission mechanism and the light-sensitive detection mechanism are arranged, so that the rotation angle of the bucket wheel machine can be detected in real time and limited, the rotation impact force generated by the bucket wheel machine during rotation can be buffered in multiple stages, the influence of the impact on the light-sensitive detection mechanism is reduced, the normal use of the bucket wheel machine is ensured, and meanwhile, the light-sensitive detection mechanism is high in detection precision, so that the rotation angle is adjusted more accurately.
Description
Technical Field
The utility model relates to the technical field of thermal power plants, in particular to a rotation limiting device for a bucket wheel machine of a thermal power plant.
Background
Bucket wheel machines (also called bucket wheel stacker reclaimers) are high-efficiency equipment for continuously loading and unloading bulk materials in the modern industry, and are widely applied to the stacking and reclaiming operation of bulk material (ore, coal, coke and gravel) storage yards of ports, docks, metallurgy, cement, iron and steel plants, coking plants, coal storage plants, power plants and the like. The bucket wheel of the bucket wheel machine comprises a substantially annular bucket wheel body rotatably mounted on a cantilever frame of the bucket wheel machine and a plurality of wheel buckets fixed on the bucket wheel body. In a non-discharging area of the bucket wheel, blocking materials in the wheel bucket by using an arc-shaped material baffle fixed on the cantilever frame, and enabling the materials to slide on the material baffle; the material stopping plate is not arranged in the discharging area of the bucket wheel but is fixed with the material sliding plate, when the bucket wheel rotates to the discharging area along with the bucket wheel body, materials in the bucket wheel slide to the belt conveyor through the material sliding plate under the action of self weight, and for the use safety of the bucket wheel machine, the bucket wheel machine is provided with a rotary limiting device, so that the rotary angle of the bucket wheel machine is limited.
The existing bucket wheel machine limiting device generally adopts a magnetic induction type detection method, the detection precision is low, the abrasion of detection equipment is fast in the rotation process of the bucket wheel machine, and the detection equipment is easy to damage.
Therefore, it is necessary to provide a rotation limiting device for a bucket wheel machine of a thermal power plant to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a rotation limiting device for a bucket wheel machine of a thermal power plant.
In order to solve the technical problem, the utility model provides a rotation limiting device of a bucket wheel machine of a thermal power plant, which comprises: the device comprises a gear box, a control box, a transmission mechanism and a light-sensitive detection mechanism, wherein the control box is fixedly arranged at the top of the gear box; the transmission mechanism is arranged on the gear box and comprises a first rotating shaft, the first rotating shaft is rotatably and hermetically arranged in the gear box, the bottom end of the first rotating shaft extends out of the gear box, a first gear is fixedly arranged at the bottom end of the first rotating shaft, and a speed reduction part is arranged in the gear box; light sense formula detection mechanism locates in the control box, light sense formula detection mechanism is used for the convenience right thermal power plant bucket wheel machine is spacing.
Preferably, the speed reduction part includes second axis of rotation and third axis of rotation, the second axis of rotation with the third axis of rotation is all rotated and is installed in the gear box, the top of third axis of rotation extends to in the control box, the top fixed mounting of first axis of rotation has the second gear, fixed mounting has third gear and fourth gear in the second axis of rotation, the bottom fixed mounting of third axis of rotation has the fifth gear, the second gear with the third gear meshes mutually, the fourth gear with the fifth gear meshes mutually.
Preferably, light sense formula detection mechanism includes the light screen, seted up a plurality of locating holes on the light screen, it is a plurality of the locating hole is annular array distribution, light screen fixed mounting be in the top of third axis of rotation, the top and the below of light screen are equipped with laser emitter and laser receiver respectively, laser emitter with laser receiver all with the inner wall fixed connection of control box.
Preferably, a cover plate is installed on one side of the gearbox in a sealing mode, and the cover plate is used for facilitating maintenance of the gearbox.
Preferably, the top screw thread sealing of control box installs the top cap, the top of top cap is the hemisphere, the top cap is used for conveniently maintaining the control box.
Preferably, one side fixed mounting of control box has the inlet wire pipe, the inlet wire pipe with the control box is inside to be linked together, the inlet wire pipe is used for conveniently laying wire.
Compared with the prior art, the rotary limiting device of the bucket wheel machine of the thermal power plant has the following beneficial effects:
(1) through setting up gear box, control box, drive mechanism and light sense formula detection mechanism, can carry out real-time detection to bucket wheel machine's gyration angle and carry out spacingly, make the rotation impact force that bucket wheel machine produced when rotating can obtain multistage buffering, reduced the impact and to the influence of light sense formula detection mechanism, guaranteed bucket wheel machine's normal use, light sense formula detection mechanism detects the precision height simultaneously, makes the adjustment of gyration angle more accurate.
(2) And a speed reduction member provided with a plurality of meshed mating gears, which reduces the speed output to the detection end when the bucket wheel machine rotates.
(3) Through setting up light screen, laser emitter and laser receiver, this kind of non-contact's of light sense formula detection mechanism detection method is little to light sense formula detection mechanism's loss, can improve light sense formula detection mechanism's life, and it is also higher to detect the precision simultaneously.
(4) The gear box is conveniently maintained through the cover plate which is arranged in a sealing mode.
(5) And a top cover which is installed in a sealing way. The control box is convenient to overhaul and maintain.
(6) And the wire inlet pipe is arranged, so that the wire can conveniently enter and exit the control box.
Drawings
Fig. 1 is a schematic structural diagram of a rotation limiting device of a bucket wheel machine of a thermal power plant provided by the utility model;
FIG. 2 is a schematic cross-sectional view of a rotation limiting device of a bucket wheel machine of a thermal power plant according to the present invention;
FIG. 3 is a schematic structural diagram of a control box in the rotation limiting device of the bucket wheel machine of the thermal power plant shown in FIG. 1;
fig. 4 is a schematic structural diagram of a light screen in the rotation limiting device of the bucket wheel machine of the thermal power plant shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a gear box, 2, a control box, 3, a first rotating shaft, 4, a first gear, 5, a second rotating shaft, 6, a third rotating shaft, 7, a second gear, 8, a third gear, 9, a fourth gear, 10, a fifth gear, 11, a light shielding plate, 12, a laser transmitter, 13, a laser receiver, 14, a positioning hole, 15, a cover plate, 16, a top cover, 17 and an inlet pipe.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1 and fig. 2 in combination, in an embodiment of the present invention, a rotation limiting device of a bucket wheel machine of a thermal power plant includes: the device comprises a gear box 1, a control box 2, a transmission mechanism and a light-sensitive detection mechanism, wherein the control box 2 is fixedly arranged at the top of the gear box 1; the transmission mechanism is arranged on the gear box 1 and comprises a first rotating shaft 3, the first rotating shaft 3 is rotatably and hermetically arranged in the gear box 1, the bottom end of the first rotating shaft 3 extends out of the gear box 1, a first gear 4 is fixedly arranged at the bottom end of the first rotating shaft 3, and a speed reduction component is arranged in the gear box 1; the light-sensitive detection mechanism is arranged in the control box 2 and is used for conveniently limiting the bucket wheel machine of the thermal power plant, when the device is used, the device is arranged on one side of a revolving body of the bucket wheel machine, a first gear is meshed with a gear ring on a base of the bucket wheel machine, when the bucket wheel machine rotates, the revolving body drives the device to rotate, so that the first gear 4 revolves and rotates, the first gear 4 rotates to drive a first rotating shaft 3 to rotate, the first rotating shaft 3 rotates to drive the light-sensitive detection mechanism to start detection under the transmission of a transmission mechanism, the light-sensitive detection mechanism detects and calculates the rotating angle of the first gear 4, so that the revolving angle of the first gear 4 is calculated, when the revolving angle exceeds a set value, the light-sensitive detection mechanism gives an alarm to trigger a power-off measure, so that the bucket wheel machine stops rotating, and after the alarm is manually relieved, the angle of the bucket wheel machine can be continuously adjusted back, and the normal operation can be carried out until the alarm is not given out.
Through setting up gear box 1, control box 2, drive mechanism and light sense formula detection mechanism, can carry out real-time detection to bucket wheel machine's gyration angle and carry out spacingly, make bucket wheel machine produce when rotating the rotation impact force can obtain multistage buffering, reduced the impact and to the influence of light sense formula detection mechanism, guaranteed bucket wheel machine's normal use, light sense formula detection mechanism detects the precision height simultaneously, makes the adjustment of gyration angle more accurate.
As shown in fig. 2, the speed reducing component includes a second rotating shaft 5 and a third rotating shaft 6, the second rotating shaft 5 and the third rotating shaft 6 are both rotatably installed in the gear box 1, the top end of the third rotating shaft 6 extends into the control box 2, the top end of the first rotating shaft 3 is fixedly installed with a second gear 7, the second rotating shaft 5 is fixedly installed with a third gear 8 and a fourth gear 9, the bottom end of the third rotating shaft 6 is fixedly installed with a fifth gear 10, the second gear 7 is meshed with the third gear 8, the fourth gear 9 is meshed with the fifth gear 10, when in use, the first rotating shaft 3 rotates to drive the second gear 7 to rotate, the second gear 7 rotates to drive the third gear 8 to rotate, the third gear 8 rotates to drive the second rotating shaft 5 to rotate, and the second rotating shaft 5 rotates to rotate the fourth gear 9, the fourth gear 9 rotates to drive the fifth gear 10 to rotate, and the fifth gear 10 rotates to drive the third rotating shaft 6 to rotate.
The speed reduction member provided with a plurality of meshed mating gears reduces the speed output to the detection end when the bucket wheel machine rotates.
As shown in fig. 3 and 4, the light-sensing detection mechanism includes a light shielding plate 11, a plurality of positioning holes 14 are formed in the light shielding plate 11, the plurality of positioning holes 14 are distributed in an annular array, the light shielding plate 11 is fixedly mounted on the top end of the third rotating shaft 6, a laser emitter 12 and a laser receiver 13 are respectively disposed above and below the light shielding plate 11, the laser emitter 12 and the laser receiver 13 are both fixedly connected to the inner wall of the control box 2, when in use, the third rotating shaft 6 rotates to drive the light shielding plate 11 to rotate, the laser emitter 13 emits laser, when the positioning holes 14 in the light shielding plate 11 are located right below the laser emitter 13, the laser passes through the corresponding positioning holes 14 and is received by the laser receiver 13, the laser receiver 13 is connected to the controller, and as the light shielding plate 11 rotates, the controller counts signals received by the laser receiver 13, the rotation degree of the shading plate 11 is calculated, the rotation degree of the first gear 4 is calculated according to the transmission ratio of each gear, the revolution angle is calculated by combining the data of the gear ring of the base, whether the revolution angle exceeds the range is judged according to a set value, and if the revolution angle exceeds the range, the controller gives an alarm and enables the rotary motor to be powered off.
Through setting up light screen 11, laser emitter 12 and laser receiver, the non-contact detection method of this kind of light sense formula detection mechanism, it is little to the loss of light sense formula detection mechanism, can improve light sense formula detection mechanism's life, and the detection precision is also higher simultaneously.
As shown in fig. 2, a cover plate 15 is hermetically installed on one side of the gear box 1, the cover plate 15 is used for facilitating maintenance of the gear box 1, when maintenance is required, lubricating oil in the gear box 1 is discharged, and then the cover plate 15 is removed.
Through the cover plate 15 which is arranged in a sealing way, the gear box 1 is convenient to maintain.
As shown in fig. 2, a top cover 16 is installed at the top of the control box 2 in a threaded sealing manner, the top of the top cover 16 is hemispherical, the top cover is used for facilitating maintenance of the control box 2, and when maintenance is needed, the top cover 16 is detached to repair components in the control box 2.
Through the top cap 16 that sets up sealed installation, conveniently overhaul and maintain control box 2.
As shown in fig. 3, one side fixed mounting of control box 2 has inlet wire pipe 17, inlet wire pipe 17 with control box 2 is inside to be linked together, inlet wire pipe 17 is used for making things convenient for the wiring, and during the installation, control line and signal line pass through inlet wire pipe 17 and insert control box 2 in to use sealed glue to seal inlet wire pipe 17.
Through setting up inlet wire pipe 17, make things convenient for the wire rod business turn over control box 2.
The working principle of the rotary limiting device of the bucket wheel machine of the thermal power plant provided by the utility model is as follows:
when the device is used, the device is arranged at one side of a revolving body of the bucket wheel machine, the first gear is meshed with a gear ring on a base of the bucket wheel machine, when the bucket wheel machine rotates, the revolving body drives the device to rotate, so that the first gear 4 revolves and simultaneously rotates, the first gear 4 rotates to drive the first rotating shaft 3 to rotate, the first rotating shaft 3 rotates to drive the second gear 7 to rotate, the second gear 7 rotates to drive the third gear 8 to rotate, the third gear 8 rotates to drive the second rotating shaft 5 to rotate, the second rotating shaft 5 rotates to drive the fourth gear 9 to rotate, the fourth gear 9 rotates to drive the fifth gear 10 to rotate, the fifth gear 10 rotates to drive the third rotating shaft 6 to rotate, the third rotating shaft 6 rotates to drive the shading plate 11 to rotate, the laser emitter 13 emits laser, when a positioning hole 14 on the laser emitter 11 is positioned under the laser emitter 13, the laser penetrates through the corresponding positioning hole 14 and is received by the laser receiver 13, the laser receiver 13 is connected with the controller, along with the rotation of the light screen 11, the controller counts signals received by the laser receiver 13, the rotation degree of the light screen 11 is calculated, the rotation degree of the first gear 4 is calculated according to the transmission ratio of each gear, the revolution angle is calculated by combining data of the base gear ring, whether the revolution angle exceeds the range is judged according to a set value, if the revolution angle exceeds the range, the controller gives an alarm and cuts off the power of the rotary motor, the bucket wheel machine stops rotating, after the alarm is removed manually, the angle of the bucket wheel machine can be adjusted back continuously until the alarm is not given, and normal operation can be achieved.
Claims (6)
1. The utility model provides a bucket wheel machine of thermal power plant gyration stop device which characterized in that includes:
the device comprises a gear box, a control box, a transmission mechanism and a light-sensitive detection mechanism, wherein the control box is fixedly arranged at the top of the gear box;
the transmission mechanism is arranged on the gear box and comprises a first rotating shaft, the first rotating shaft is rotatably and hermetically arranged in the gear box, the bottom end of the first rotating shaft extends out of the gear box, a first gear is fixedly arranged at the bottom end of the first rotating shaft, and a speed reduction part is arranged in the gear box;
light sense formula detection mechanism locates in the control box, light sense formula detection mechanism is used for the convenience right thermal power plant bucket wheel machine is spacing.
2. The thermal power plant bucket wheel machine gyration stop device of claim 1, characterized in that, the reduction part includes second axis of rotation and third axis of rotation, the second axis of rotation with the third axis of rotation all rotates to be installed in the gear box, the top of third axis of rotation extends to in the control box, the top fixed mounting of first axis of rotation has the second gear, fixed mounting has third gear and fourth gear on the second axis of rotation, the bottom fixed mounting of third axis of rotation has the fifth gear, the second gear with the third gear meshes mutually, the fourth gear with the fifth gear meshes mutually.
3. The rotation limiting device of the bucket wheel machine of the thermal power plant as claimed in claim 2, wherein the light-sensitive detection mechanism comprises a light shielding plate, a plurality of positioning holes are formed in the light shielding plate, the positioning holes are distributed in an annular array, the light shielding plate is fixedly installed at the top end of the third rotating shaft, a laser transmitter and a laser receiver are respectively arranged above and below the light shielding plate, and the laser transmitter and the laser receiver are both fixedly connected with the inner wall of the control box.
4. The thermal power plant bucket wheel machine gyration stop device of claim 1, wherein, one side of gear box seal installation has the apron, the apron is used for conveniently maintaining the gear box.
5. The thermal power plant bucket wheel machine gyration stop device of claim 1, characterized in that, the top thread seal of control box installs the top cap, the top of top cap is the hemisphere, the top cap is used for conveniently maintaining the control box.
6. The thermal power plant bucket wheel machine gyration stop device of claim 1, characterized in that, one side fixed mounting of control box has the inlet wire pipe, the inlet wire pipe with the control box is inside to be linked together, the inlet wire pipe is used for conveniently laying wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335089.5U CN215592031U (en) | 2021-09-26 | 2021-09-26 | Rotary limiting device for bucket wheel machine of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335089.5U CN215592031U (en) | 2021-09-26 | 2021-09-26 | Rotary limiting device for bucket wheel machine of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592031U true CN215592031U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122335089.5U Expired - Fee Related CN215592031U (en) | 2021-09-26 | 2021-09-26 | Rotary limiting device for bucket wheel machine of thermal power plant |
Country Status (1)
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| CN (1) | CN215592031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570874A (en) * | 2024-01-16 | 2024-02-20 | 东莞市星火齿轮有限公司 | Adjusting mechanism for gear precision detection |
-
2021
- 2021-09-26 CN CN202122335089.5U patent/CN215592031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570874A (en) * | 2024-01-16 | 2024-02-20 | 东莞市星火齿轮有限公司 | Adjusting mechanism for gear precision detection |
| CN117570874B (en) * | 2024-01-16 | 2024-04-16 | 东莞市星火齿轮有限公司 | Adjusting mechanism for gear precision detection |
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| 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: 20220121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |