CN210683680U - Detection device for dry quenching coke loading device - Google Patents
Detection device for dry quenching coke loading device Download PDFInfo
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- CN210683680U CN210683680U CN201920781645.1U CN201920781645U CN210683680U CN 210683680 U CN210683680 U CN 210683680U CN 201920781645 U CN201920781645 U CN 201920781645U CN 210683680 U CN210683680 U CN 210683680U
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Abstract
The utility model relates to a detection apparatus for dry coke quenching device of packing into, including sheltering from the device, the gauge, the apparatus further comprises a rotating shaft, keep off the bolt, limiting base, 5U-shaped limit switch, the baffle, limiting bottom plate, change over switch and a plurality of cable, 2U type limit switch is installed on closing limiting base as closing the spacing, 1U type limit switch is installed on the limiting bottom plate of pre-closing as pre-closing spacing, it is spacing and the spacing installation of opening the spacing as pre-opening of 2U type limit switch on opening limiting bottom plate, pedestal mounting is in the spacing department of direction template outside switch, install respectively at the position that hopper platform truck track downside is close to both ends with opening limiting bottom plate in advance, shelter from the device and be connected with gauge and pivot, and install inboard at the direction template through the pivot, it walks capable wheel department around the hopper platform truck is close to open limiting baffle and pre-closing limiting baffle install respectively. The device can effectively ensure the long-term stable operation of the equipment.
Description
Technical Field
The application belongs to the technical field of equipment control systems, and particularly relates to a detection device of a dry quenching loading device.
Background
The coke dry quenching charging device is an important device for coke dry quenching, is positioned at the top of a coke dry quenching furnace and mainly used for charging the incandescent coke in a coke tank into the coke dry quenching furnace. Thus, the normality of the charging device is directly related to the safe operation of the entire coke dry quenching. The loading device mainly comprises a furnace cover trolley and a loading hopper trolley, when the coke is loaded in the dry quenching furnace, the loading device is driven by an electric cylinder, and the actions of opening the furnace cover, aligning the loading hopper, moving away the loading hopper, closing the furnace cover after the red coke is loaded in the dry quenching furnace and the like are sequentially completed under the action of a guide template. The operation, the stop and the high-low speed switching of the electric cylinder are controlled by limiting, the built-in limiting of the electric cylinder belongs to a precision easily-damaged device, the electric cylinder can malfunction due to small deviation and is not easy to repair, once a fault occurs, a coke dry quenching hoister stops working, coke loading is delayed, production is affected, and economic benefits of enterprises are damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of designing a location is accurate, the dry coke quenching device location detection device of packing into of the maintenance of being convenient for to can carry out manual switching the very first time, realize built-in spacing and external spacing conversion.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is:
a detection device of a dry quenching loading device comprises a closing limit detection device, a pre-opening limit and opening limit detection device and a control circuit;
the closing limit detection device comprises a guide template arranged on the hopper trolley, a closing limit base arranged on the outer side guide template, a closing limit I and a closing limit II which are arranged on the closing limit base side by side up and down, a rotating shaft arranged on the inner side guide template, a shielding device arranged on the rotating shaft, a collision iron which is vertical to a force arm and is arranged in the middle of the shielding device to the inner side, a stop bolt which is fixed on the inner side guide template and is matched with the force arm of the shielding device, a track arranged in the guide template, and a guide wheel which is arranged in the track and is matched with the collision iron;
the pre-closing limit detection device comprises a hopper trolley track arranged on the hopper trolley, rear traveling wheels arranged on the hopper trolley track, a pre-closing limit bottom arranged on a base of the hopper trolley track in parallel with a horizontal plane, a pre-closing limit arranged on a pre-closing limit bottom plate, and a pre-closing limit baffle vertically and downwards arranged at the bottom of the side surface of the hopper trolley and matched with the pre-closing limit;
the pre-opening limiting and opening limiting detection device comprises an opening limiting bottom plate arranged at the front part of the lower side of the hopper trolley track, pre-opening limiting and opening limiting plates arranged on the opening limiting bottom plate at intervals, and opening limiting baffles arranged on side plates at the lower part of the hopper trolley and matched with the opening limiting plates, wherein the opening limiting bottom plate is positioned below the opening limiting baffles;
the control circuit comprises an internal limit switch K1 and an external limit switch K2 which are connected with the positive electrode of a power supply, the other end of the internal limit switch K1 is respectively connected with internal limits SQ11, SQ21, SQ31 and SQ41 through the internal limit side of a transfer switch SA, the other end of the external limit switch K2 is respectively connected with external limits SQ12, SQ22, SQ32, SQ42 and SQ43 through the external limit side of the transfer switch SA, the other ends of SQ11 and SQ12 are connected with the negative electrode of the power supply through a relay KA1, the other ends of SQ21 and SQ22 are connected with the negative electrode of the power supply through a relay KA2, the other ends of SQ31 and SQ32 are connected with the negative electrode of the power supply through a relay KA3, and the other ends of SQ 3; external limits SQ12, SQ22, SQ32, SQ42 and SQ43 are correspondingly connected with a closing limit I1, a closing limit II 2, a pre-closing limit 11, a pre-opening limit 19 and an opening limit 17 through control lines.
The utility model discloses technical scheme's further improvement lies in: the closing limit I, the closing limit II, the pre-closing limit, the pre-opening limit and the opening limit are U-shaped limit switches.
The utility model discloses technical scheme's further improvement lies in: the voltage of the U-shaped limit switch is 24V direct current, the change-over switch SA is a 2-position 9-layer change-over switch, the length of the touch iron is 250mm, and the pre-closing limit baffle, the pre-closing limit bottom plate, the opening limit bottom plate and the opening limit baffle are rectangular plates 500mm long and 200mm wide.
The utility model discloses technical scheme's further improvement lies in: the middle of the pre-closing limiting bottom plate is provided with a limiting setting hole I, and the middle of the opening limiting bottom plate is provided with a limiting setting hole II.
The utility model discloses technical scheme's further improvement lies in: the limiting setting hole I is 150mm long and 6mm wide; the limiting setting hole II is 350mm long and 6mm wide.
The utility model discloses technical scheme's further improvement lies in: the stop bolt is fixed on the inner side guide template and is parallel to the rotating shaft and downward at an angle of 20-40 degrees and a distance of 10-30 cm.
The utility model discloses technical scheme's further improvement lies in: the distance between the pre-closing limit baffle and the rear running wheel is 1000mm, and the distance between the opening limit baffle and the front running wheel is 1000 mm.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains is:
the detection device and the control circuit thereof adopting the structure avoid the problems of single control situation, easy change of precision, complex structure, difficult adjustment and delayed maintenance in the prior art. When the detection device and the control circuit thereof are adopted, the external limit switch is turned on, the change-over switch selects the external limit, and when the loading device is in a closed state, the closing limit and the pre-closing limit are in place. And after receiving the opening signal, the loading device moves at a low speed away from the closing limit, runs at a high speed after completely passing the pre-closing limit, runs at a low speed after reaching the pre-opening limit, stops running after reaching the opening limit, and reaches the pre-opening limit and the opening limit in place. And returning to the same process, after receiving the closing signal, running at low speed, completely passing the pre-opening limit, loading the device into the device to run at high speed, and after reaching the pre-closing limit, running at low speed, and stopping after reaching the closing limit. Once the limit is in fault, the external limit power switch can be immediately disconnected, the change-over switch is switched, the internal limit switch is switched on, and the normal operation of the loading device can be recovered. The detection device with the structure and the control circuit thereof are definite in definition, convenient in position adjustment, simple and clear. Two U-shaped limit switches are additionally arranged at the important closing limit position, so that the double-guarantee function is achieved, the stop iron and the baffle plate for sending position signals are controlled by the furnace cover trolley and the hopper trolley, the action is clear, and no interference exists. The external detection device and the built-in limiting mechanism of the whole loading device are controlled in parallel and are mutually standby, and any abnormal signal can not be brought to a control system, so that the long-term stable operation of equipment is effectively guaranteed.
The utility model has simple structure, stable performance, reliable work, easy manufacture and high cost performance, and is suitable for popularization and application in the control system of the dry quenching device.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a third schematic structural diagram of the present invention;
fig. 4 is a circuit diagram of the present invention;
wherein: 1. the device comprises a closing limit I, 2, a closing limit II, 3, a closing limit base, 4, a shielding device, 5, a bumper iron, 6, a rotating shaft, 7, a stop bolt, 8, a guide template, 9, a furnace cover trolley guide wheel, 10, a pre-closing limit baffle, 11, a pre-closing limit, 12, a pre-closing limit bottom plate, 13, a limit setting hole I, 14, a hopper trolley track, 15, a hopper trolley rear traveling wheel, 16, a hopper trolley, 17, an opening limit, 18, an opening limit bottom plate, 19, a pre-opening limit, 20, a limit setting hole II, 21, an opening limit baffle, 22 and a hopper trolley front traveling wheel.
Detailed Description
The present invention will be described in further detail with reference to examples.
The utility model discloses a detection device of a dry quenching coke loading device, which is shown in a figure 1-4 and comprises a closing limit detection device, a pre-opening limit and opening limit detection device and a control circuit;
the closing limit detection device comprises a guide template 8 arranged on a hopper trolley 16, a closing limit base 3 arranged on the outer side guide template 8, a closing limit I1 and a closing limit II 2 which are arranged on the closing limit base 3 side by side up and down, a rotating shaft 6 arranged on the inner side guide template 8, a shielding device 4 arranged on the rotating shaft 6, a latch 5 which is perpendicular to a force arm and is arranged at the middle part of the shielding device 4 inwards, a stop bolt 7 which is fixed on the inner side guide template 8 and is matched with the force arm of the shielding device 4, a track arranged in the guide template 8 and a guide wheel 9 which is arranged in the track and is matched with the latch 5;
the pre-closing limit detection device comprises a hopper trolley track 14 arranged on a hopper trolley 16, a rear walking wheel 15 arranged on the hopper trolley track 14, a pre-closing limit bottom plate 12 arranged on a base of the hopper trolley track 14 in parallel with a horizontal plane, a pre-closing limit 11 arranged on the pre-closing limit bottom plate 12, and a pre-closing limit baffle 10 vertically and downwards arranged at the bottom of the side surface of the hopper trolley 16 and matched with the pre-closing limit 11;
the pre-opening limiting and opening limiting detection device comprises an opening limiting bottom plate 18 arranged at the front part of the lower side of the hopper trolley track 14, pre-opening limiting plates 19 and opening limiting plates 17 arranged on the opening limiting bottom plate 18 at intervals, and opening limiting baffle plates 21 arranged on side plates at the lower part of the hopper trolley 16 and matched with the opening limiting plates 17, wherein the opening limiting bottom plate 18 is positioned below the opening limiting baffle plates 21;
the control circuit comprises an internal limit switch K1 and an external limit switch K2 which are connected with the positive electrode of a power supply, the other end of the internal limit switch K1 is respectively connected with internal limits SQ11, SQ21, SQ31 and SQ41 through the internal limit side of a transfer switch SA, the other end of the external limit switch K2 is respectively connected with external limits SQ12, SQ22, SQ32, SQ42 and SQ43 through the external limit side of the transfer switch SA, the other ends of SQ11 and SQ12 are connected with the negative electrode of the power supply through a relay KA1, the other ends of SQ21 and SQ22 are connected with the negative electrode of the power supply through a relay KA2, the other ends of SQ31 and SQ32 are connected with the negative electrode of the power supply through a relay KA3, and the other ends of SQ 3; external limits SQ12, SQ22, SQ32, SQ42 and SQ43 are correspondingly connected with a closing limit I1, a closing limit II 2, a pre-closing limit 11, a pre-opening limit 19 and an opening limit 17 through control lines.
The closing limit I, the closing limit II, the pre-closing limit 11, the pre-opening limit 19 and the opening limit 17 are all U-shaped limit switches.
The voltage of the U-shaped limit switch is 24V direct current, the U-shaped limit switch uses a normally closed point at the position, the change-over switch SA is a 2-position 9-layer change-over switch, the length of the iron contact is 5 mm, and the pre-closing limit baffle 10, the pre-closing limit bottom plate 12, the opening limit bottom plate 18 and the opening limit baffle 21 are all rectangular plates with the length of 500mm and the width of 200 mm.
A limiting and arranging hole I13 is formed in the middle of the pre-closing limiting bottom plate 12, and a limiting and arranging hole II 20 is formed in the middle of the opening limiting bottom plate 18.
The limiting setting hole I13 is 150mm long and 6mm wide; the limiting setting hole II 20 is 350mm long and 6mm wide.
The stop bolt 7 is fixed on the inner guide template 8 at an angle of 20-40 degrees and a distance of 10-30cm, preferably at an angle of 30 degrees, parallel to the rotating shaft 6, and the stop bolt 7 is used for stopping the falling angle of the shielding device 4.
The distance between the pre-closing limit baffle 10 and the rear running wheels 15 is 1000mm, and the distance between the opening limit baffle 21 and the front running wheels 22 is 1000 mm.
The utility model discloses according to the on-the-spot condition, will close spacing base 3 and install on outside guide template 8, close and install two U type limit switch (close spacing 1, close spacing 2) on the spacing base 3 side by side, pivot 6 is installed on inside guide template 8, shelters from device 4 and installs in pivot 6, and 5 perpendicular arm of force of the fencing iron, inboard are installed and are sheltered from device 4 middle parts. When the furnace cover trolley reaches a closing limit, the guide wheel 9 pushes the collision iron 5 upwards to enable the shielding device 4 to move upwards, and the collision iron 5 just penetrates through the U-shaped limit switches (a closing limit 1 and a closing limit 2); the stop bolt 7 is fixed at the position which is parallel to the rotating shaft 6, forms an angle of 30 degrees downwards and is 20cm far away from the inner side guide template 8. When the furnace cover trolley is opened, the shielding device 4 falls off and completely leaves the switch limiting base 3, and then stops at the stop bolt 7; a pre-closing limit bottom plate 12 is arranged at the rear part of the lower side of a hopper trolley track 14 in parallel, a U-shaped limit switch 11 is arranged on the pre-closing limit bottom plate 12 to serve as a pre-closing limit 11, and a pre-closing limit baffle 10 is vertically arranged on a side plate of the lower part of a hopper trolley 16 and is close to a rear travelling wheel 15. When the hopper trolley 16 reaches the pre-closing position, the pre-closing limit baffle 10 penetrates through the U-shaped limit switch 11; similarly, an opening limiting bottom plate 18 is arranged at the front part of the lower side of the hopper trolley track 14, a pre-opening limiting switch 19 and an opening limiting switch 17 are arranged on the opening limiting bottom plate 18, and an opening limiting baffle 21 is arranged on a side plate at the lower part of the hopper trolley 16 and is close to the front travelling wheel 22. When the hopper trolley 16 is in the pre-open position, it passes through the pre-open limit switch 19 and when the hopper is fully open, it just passes through the open limit switch 17. An air switch is additionally arranged in the power distribution cabinet and used as an external limit switch, and control lines (off, pre-on and pre-on) from an external limit (U-shaped limit switch) and an internal limit are respectively connected to two sides of a change-over switch SA for control. When the external limit is used, the power switch is switched on, the change-over switch is switched to the external limit side, and the loading device can be normally used; if a limit fault occurs, the power supply can be immediately disconnected and switched to the built-in limit side, and the built-in limit switch can be closed for use.
The built-in limit and the external limit are controlled by a change-over switch in the power distribution cabinet, when the external limit is used, a power switch of the power distribution cabinet is switched on, the change-over switch is switched to the external limit side, and the loading device can be normally used; if a limit fault occurs, the power supply can be immediately disconnected and switched to the built-in limit side, and the built-in limit power supply can be switched on for use.
The detection device with the structure and the control circuit thereof have the advantages of definite definition, convenient position adjustment, simplicity and clarity. Two U-shaped limit switches are additionally arranged at the important closing limit position, so that the double-guarantee function is achieved, the stop iron and the baffle plate for sending position signals are controlled by the furnace cover trolley and the hopper trolley, the action is clear, and no interference exists. The external detection device and the built-in limiting mechanism of the whole loading device are controlled in parallel and are mutually standby, and any abnormal signal can not be brought to a control system, so that the long-term stable operation of equipment is effectively guaranteed.
Claims (7)
1. A detection device of a dry quenching loading device is characterized in that: the device comprises a closing limit detection device, a pre-opening limit and opening limit detection device and a control circuit;
the closing limit detection device comprises a guide template (8) arranged on a hopper trolley (16), a closing limit base (3) arranged on the outer side guide template (8), a closing limit I (1) and a closing limit II (2) which are arranged on the closing limit base (3) side by side up and down, a rotating shaft (6) arranged on the inner side guide template (8), a shielding device (4) arranged on the rotating shaft (6), a latch (5) which is vertical to a force arm and is arranged in the middle of the shielding device (4) towards the inner side, a stop bolt (7) which is fixed on the inner side guide template (8) and is matched with the force arm of the shielding device (4), a track arranged in the guide template (8), and a guide wheel (9) which is arranged in the track and is matched with the latch (5);
the pre-closing limit detection device comprises a hopper trolley track (14) arranged on a hopper trolley (16), a rear walking wheel (15) arranged on the hopper trolley track (14), a pre-closing limit bottom plate (12) arranged on a base of the hopper trolley track (14) in parallel with a horizontal plane, a pre-closing limit (11) arranged on the pre-closing limit bottom plate (12), and a pre-closing limit baffle (10) vertically and downwards arranged at the bottom of the side surface of the hopper trolley (16) and matched with the pre-closing limit (11);
the pre-opening limiting and opening limiting detection device comprises an opening limiting bottom plate (18) arranged at the front part of the lower side of a hopper trolley track (14), pre-opening limiting plates (19) and opening limiting plates (17) which are arranged on the opening limiting bottom plate (18) at intervals, and opening limiting baffles (21) which are arranged on side plates at the lower part of a hopper trolley (16) and matched with the opening limiting plates (17), wherein the opening limiting bottom plate (18) is positioned below the opening limiting baffles (21);
the control circuit comprises an internal limit switch K1 and an external limit switch K2 which are connected with the positive electrode of a power supply, the other end of the internal limit switch K1 is respectively connected with internal limits SQ11, SQ21, SQ31 and SQ41 through the internal limit side of a transfer switch SA, the other end of the external limit switch K2 is respectively connected with external limits SQ12, SQ22, SQ32, SQ42 and SQ43 through the external limit side of the transfer switch SA, the other ends of SQ11 and SQ12 are connected with the negative electrode of the power supply through a relay KA1, the other ends of SQ21 and SQ22 are connected with the negative electrode of the power supply through a relay KA2, the other ends of SQ31 and SQ32 are connected with the negative electrode of the power supply through a relay KA3, and the other ends of SQ 3; the external limits SQ12, SQ22, SQ32, SQ42 and SQ43 are correspondingly connected with the closing limit I (1), the closing limit II (2), the pre-closing limit (11), the pre-opening limit (19) and the opening limit (17) through control lines.
2. The apparatus for detecting a dry quenching loading device as set forth in claim 1, wherein: the closing limit I (1), the closing limit II (2), the pre-closing limit (11), the pre-opening limit (19) and the opening limit (17) are all U-shaped limit switches.
3. The apparatus for detecting a dry quenching loading device as set forth in claim 2, wherein: the U-shaped limit switch voltage is 24V direct current, change-over switch SA is 2-position 9-layer change-over switch, the length of the impact iron (5) is 250mm, and the pre-closing limit baffle (10), the pre-closing limit bottom plate (12), the opening limit bottom plate (18) and the opening limit baffle (21) are all rectangular plates with the length of 500mm and the width of 200 mm.
4. The apparatus for detecting a dry quenching loading device as set forth in claim 3, wherein: a limiting and arranging hole I (13) is arranged in the middle of the pre-closing limiting bottom plate (12), and a limiting and arranging hole II (20) is arranged in the middle of the opening limiting bottom plate (18).
5. The apparatus for detecting a dry quenching loading device as set forth in claim 4, wherein: the limiting setting hole I (13) is 150mm long and 6mm wide; the limiting setting hole II (20) is 350mm long and 6mm wide.
6. The apparatus for detecting a dry quenching loading device according to any one of claims 1 to 5, wherein: the stop bolt (7) is fixed on the inner side guide template (8) and is parallel to the rotating shaft (6) and downward at an angle of 20-40 degrees and a distance of 10-30 cm.
7. The apparatus for detecting a dry quenching loading device as set forth in claim 6, wherein: the distance between the pre-closing limit baffle (10) and the rear running wheels (15) is 1000mm, and the distance between the opening limit baffle (21) and the front running wheels (22) is 1000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781645.1U CN210683680U (en) | 2019-05-28 | 2019-05-28 | Detection device for dry quenching coke loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781645.1U CN210683680U (en) | 2019-05-28 | 2019-05-28 | Detection device for dry quenching coke loading device |
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| CN210683680U true CN210683680U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920781645.1U Active CN210683680U (en) | 2019-05-28 | 2019-05-28 | Detection device for dry quenching coke loading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205144A (en) * | 2019-05-28 | 2019-09-06 | 唐钢美锦（唐山）煤化工有限公司 | The detection device of coke dry-quenching loading device |
-
2019
- 2019-05-28 CN CN201920781645.1U patent/CN210683680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205144A (en) * | 2019-05-28 | 2019-09-06 | 唐钢美锦（唐山）煤化工有限公司 | The detection device of coke dry-quenching loading device |
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