CN218320355U - Device for controlling walking of transverse positioning of crown block - Google Patents
Device for controlling walking of transverse positioning of crown block Download PDFInfo
- Publication number
- CN218320355U CN218320355U CN202222270209.2U CN202222270209U CN218320355U CN 218320355 U CN218320355 U CN 218320355U CN 202222270209 U CN202222270209 U CN 202222270209U CN 218320355 U CN218320355 U CN 218320355U
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- walking
- traveling crane
- overhead traveling
- branch
- normally closed
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- 229910000831 Steel Inorganic materials 0.000 abstract description 27
- 239000010959 steel Substances 0.000 abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 abstract description 13
- 230000023556 desulfurization Effects 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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Abstract
The utility model relates to a walking device of overhead traveling crane capable of transverse movement positioning control, including the capable dolly, the capable chi of walking is bumped, walk capable extreme device S91, walk capable extreme device S92, dolly capable extreme device S90 of transverse movement, overhead traveling crane west control circuit, overhead traveling crane east go control circuit, the capable chi of transverse movement is bumped, dolly capable extreme device S90 sets up on the capable dolly of transverse movement, the capable chi of transverse movement is bumped and is set up on the overhead traveling crane girder, overhead traveling crane west go control circuit is including walking capable extreme device S91 'S normally closed contact, dolly capable extreme device S90' S normally closed contact, short circuit switch S89, dolly capable extreme device S90 'S normally closed contact and short circuit switch S89 all with walk capable extreme device S91' S normally closed contact parallel connection. The utility model has the advantages that: the positions of the running collision ruler, the transverse collision ruler and the running limit device S91 are reset, the trolley transverse movement limit device S90 is added and arranged on a transverse trolley, and the condition that an empty ladle for hanging molten steel is not collided with the KR desulfurization molten steel pretreatment device due to people or equipment is avoided in conventional operation.
Description
Technical Field
The utility model relates to a walking device of overhead traveling crane capable of transversely moving and positioning.
Background
In a certain steel-making main plant, a 150/50T crown block in the front of a furnace is in an east-west trend and driven by a traveling motor of the crown block, the span is 28 meters, a KR desulfurization molten steel pretreatment device with the width of about 10 meters and the height of 7 meters is arranged on the north side of a lower space, and the rest is a conventional ground operation space. The crown block is used for returning the converted molten iron to a west empty tank, and is limited by site environment, such as a pipeline and the like, in the process of returning the overhead traveling crane to a molten steel empty tank, the overhead traveling crane needs to be close to a KR desulfurized molten steel pretreatment device to pass through, as shown in figure 2, for the reconstruction of a traveling principle schematic diagram of the overhead traveling crane, a west traveling control circuit of the crown block is connected with an east traveling control circuit of the crown block in parallel, the west traveling control circuit of the crown block comprises a branch a and a branch b, the branch a is connected with the branch b in parallel, the branch a comprises a normally closed contact of a traveling limit device S91 connected with a coil of an intermediate relay K017 in series, and the branch b comprises a normally open contact of a direction relay K066, a normally open contact of the intermediate relay K017 and a normally closed auxiliary contact of a KM21 which are connected with a coil of a contactor KM11 in series; crown block east line control circuit includes branch road c and branch road d, branch road c and branch road d parallel connection, and branch road c includes the normally closed contact of walking capable extreme device S92 with auxiliary relay K018 'S coil series connection, and branch road d includes the normally open contact of direction relay K067, the normally open contact of auxiliary relay K018, the normally closed auxiliary contact of contactor KM11 with contactor KM 21' S coil series connection. This kind of mode can often cause the empty jar of overhead traveling crane handling molten steel to return on the way and KR desulfurization molten steel pretreatment of unit collision, has increased and has maintained workman's work load, has the potential safety hazard to the field personnel.
Disclosure of Invention
For overcoming the not enough of prior art, the utility model aims at providing a device is walked to overhead traveling crane transverse orientation control increases the dolly transverse movement limit device, finds the overhead traveling crane molten steel empty can position when passing through KR desulfurization molten steel pretreatment of water device through the on-the-spot actual measurement, reset and walk to bump the chi, transverse movement bumps the chi, walks the position of walking limit device, has avoided hanging molten steel empty can not bump because of people or equipment reason and KR desulfurization molten steel pretreatment of water device when conventional operation.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a device for controlling traveling of a transverse travelling positioning crown block comprises a crown block traveling motor, a crown block traveling main loop, a transverse travelling trolley, a traveling collision ruler, a traveling limit device S91 and a traveling limit device S92, wherein the crown block traveling main loop comprises a contactor KM11 connected with the crown block traveling motor in series, the crown block traveling main loop further comprises a contactor KM21 connected with the contactor KM11 in parallel, the device further comprises a trolley transverse travel limit device S90, a crown block west travel control circuit, a crown block east travel control circuit and a transverse travel collision ruler, the crown block transverse travel limit device S90 is arranged on the transverse travelling trolley, the transverse travel collision ruler is arranged on a crown block main beam, the crown block west travel control circuit and the crown block east travel control circuit are connected in parallel, the crown block west travel control circuit comprises a normally closed contact of the traveling limit device S91, a normally closed contact of the crown block transverse travel limit device S90 and a short-circuit switch S89, and the normally closed contact of the crown block transverse travel limit device S90 and the short-circuit S89 are connected with the traveling limit device S91 in parallel.
The crown block westbound control circuit further comprises a branch a and a branch b, wherein the branch a and the branch b are connected in parallel, the branch a comprises a normally closed contact of a traveling limiting device S91 connected in series with a coil of an intermediate relay K017, and the branch b comprises a normally open contact of a directional relay K066, a normally open contact of the intermediate relay K017 and a normally closed auxiliary contact of a contactor KM21 connected in series with a coil of a contactor KM 11.
Crown block east line control circuit includes branch road c and branch road d, branch road c and branch road d parallel connection, and branch road c includes the normally closed contact of walking capable extreme device S92 with auxiliary relay K018 'S coil series connection, and branch road d includes the normally open contact of direction relay K067, the normally open contact of auxiliary relay K018, the normally closed auxiliary contact of contactor KM11 with contactor KM 21' S coil series connection.
The shorting switch S89 is a single pole breaker.
The traveling collision ruler is arranged on a rail beam of the overhead travelling crane, and the traveling limiting device S91 and the traveling limiting device S92 are both arranged on the outer side of an end beam of the overhead travelling crane.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the positions of a traveling limit device S91 and a traveling collision ruler are determined again on the outer side of an end beam of the crown block, so that the crown block is ensured not to collide with a KR desulfurization molten steel pretreatment device when the crown block conveys a molten steel empty tank to move west;
2. a trolley transverse travel limiting device S90 is arranged on a transverse traveling trolley, a transverse traveling collision ruler is arranged on a main beam of a crown block, and the crown block is ensured to hoist a molten steel empty tank to avoid the situation that the molten steel can move westwards behind a KR desulfurization molten steel pretreatment device;
3. the short-circuit switch S89 is used for short-circuit of the trolley transverse travel limiting device S90 or the travel limiting device S91 if a fault occurs or the travel is unstable in the wechat process of the overhead travelling crane for lifting the molten steel empty tank, so that the overhead travelling crane can continue to operate without influencing the production;
4. the transformation cost is low, the operation is simple, and the realization is easy.
Drawings
Fig. 1 is a schematic view of a traveling principle of a modified overhead traveling crane.
FIG. 2 is a schematic view of the running principle of the overhead travelling crane before reconstruction.
Figure 3 is a schematic view of the installation position after modification.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation processes are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ example 1 ]
The utility model provides a device that walking was controlled to overhead traveling crane traverse location, see figure 2, the device that walking was controlled to overhead traveling crane traverse location before the transformation includes overhead traveling crane west line control circuit and overhead traveling crane east line control circuit, overhead traveling crane west line control circuit and overhead traveling crane east line control circuit parallel connection, overhead traveling crane handling molten steel empty can often bump with KR desulfurization molten steel pretreatment device when going to west, consequently only reform transform the operation of overhead traveling crane west, see figure 3, through on-the-spot actual measurement, confirm the position when overhead traveling crane takes the molten steel empty can to pass through KR desulfurization molten steel pretreatment device, reset on the overhead traveling crane rail beam and walk capable chi 6, the equipment that newly increases includes dolly traverse limit device S90, short circuit switch S89, the traverse touches chi 5, set up traverse limit device S90 on overhead traveling crane girder 2 and bump, be provided with dolly traverse limit device S90 on trolley rail beam 1, see figure 1, the overhead traveling crane west line control circuit includes that the dolly traverse limit device S90 and the normally closed contact of short circuit S89, the normal closed switch S89 that the normal close the switch S90 that the normal close contact of the overhead traveling crane S90 that the normal close contact that the short circuit is connected with the overhead traveling crane S90, the normal close contact that the normal close circuit that the normal close contact that the overhead traveling device S89, the normal close contact that the overhead traveling crane S90 is adopted on trolley rail beam.
The device for controlling the travelling of the overhead travelling crane by positioning the transverse travelling of the overhead travelling crane also comprises an overhead travelling crane travelling motor, a travelling limit device S91, a travelling limit device S92 and an overhead travelling crane travelling main loop, wherein the travelling limit device S91 and the travelling limit device S92 are both arranged at the outer side of the overhead travelling crane end beam 4, the overhead travelling main loop comprises a contactor KM11 connected with the overhead travelling motor in series, the overhead travelling main loop also comprises a contactor KM21 connected with the contactor KM11 in parallel,
the crown block westbound control circuit further comprises a branch a and a branch b, wherein the branch a and the branch b are connected in parallel, the branch a comprises a normally closed contact of a traveling limiting device S91 connected in series with a coil of an intermediate relay K017, and the branch b comprises a normally open contact of a directional relay K066, a normally open contact of the intermediate relay K017 and a normally closed auxiliary contact of a contactor KM21 connected in series with a coil of a contactor KM 11.
Crown block east line control circuit includes branch road c and branch road d, branch road c and branch road d parallel connection, and branch road c includes the normally closed contact of walking capable extreme device S92 with auxiliary relay K018 'S coil series connection, and branch road d includes the normally open contact of direction relay K067, the normally open contact of auxiliary relay K018, the normally closed auxiliary contact of contactor KM11 with contactor KM 21' S coil series connection.
The working process comprises the following steps:
the overhead traveling crane handling converter is converted iron empty can and is returned to west, direction relay K066 'S normally open contact is closed, westernly going contactor KM 11' S coil is closed with the electricity, when being close to KR desulfurization molten steel pretreatment device, the overhead traveling crane is walked to the west and is bumped chi 6 contacts with the walking on the overhead traveling crane rail roof beam with limit device S91, it breaks to walk west limit device S91 action normally closed contact, its normally open contact disconnection of intermediate relay K017 'S coil loses the electricity, westernly going contactor KM 11' S coil loses the electricity and breaks off, the motor can not stop westernly going with the electricity, prevent that overhead traveling crane handling converter from converting iron empty can collision KR desulfurization molten steel pretreatment device.
The south of the transverse trolley, the transverse limit device S90 of the transverse trolley is separated from the transverse collision ruler 5, the normally closed contact of the transverse limit device S90 of the transverse trolley is closed, the transverse trolley avoids the KR desulfurization molten steel pretreatment device, the normally closed contact of the transverse limit device S90 of the transverse trolley is closed, the normally open contact of the coil of the intermediate relay K017 is powered on and is closed, the coil of the West contactor KM11 is powered on, and the overhead travelling crane lifting converter is used for charging iron empty tanks in West.
And the short-circuit switch S89 is used for temporarily starting when the trolley transverse limit device S90 or the travelling west side limit device S91 has a fault, so that the overhead travelling crane is ensured to operate and maintain production.
The utility model discloses reset and walk to walk and bump the chi, the chi is bumped in the violently walking, walk the position of capable extreme device S91, increase dolly violently walking extreme device S90 and set up on the violently walking dolly, normally closed contact and short circuit switch S89 at the both ends parallel connection dolly violently walking extreme device S90 of the normally closed contact of capable extreme device S91, avoided hanging molten steel empty can not bump with KR desulfurization molten steel pretreatment of molten steel device because of people or equipment reason when conventional operation, short circuit switch S89 is used for the overhead traveling crane wefting in-process if break down or walk capable unstability, launch short circuit switch S89 temporarily, with dolly violently walking extreme device S90 or walk capable extreme device S91 short circuit, ensure that the overhead traveling crane continuation operation does not influence production.
Claims (5)
1. The utility model provides a device that walking is controlled to overhead traveling crane walking of location of violently going, includes overhead traveling crane walking motor, overhead traveling crane walking major loop, the traversely walking dolly, walk to bump chi, walking extreme device S91, walking extreme device S92, overhead traveling crane walking major loop includes contactor KM11 with overhead traveling crane walking motor series connection, overhead traveling crane walking major loop still includes contactor KM21 with contactor KM11 parallel connection, its characterized in that, still includes dolly violently walking extreme device S90, overhead traveling crane west control circuit, overhead traveling crane east row control circuit, violently walking and bump the chi, dolly violently walking extreme device S90 set up on the traversely walking dolly, violently walk and bump the chi setting on the girder, violently walk control circuit and overhead traveling crane east row control circuit parallel connection, overhead traveling crane west row control circuit include walking extreme device S91' S contact, normally closed contact, short circuit switch S89 of violently walking extreme device S90, normally closed contact and the normally closed contact of overhead traveling crane S91 of dolly of short circuit all connect in parallel connection with overhead traveling crane extreme device S89.
2. The apparatus as claimed in claim 1, wherein the crown block westbound control circuit further comprises a branch a and a branch b, the branch a and the branch b are connected in parallel, the branch a comprises a normally closed contact of the traveling limiting device S91 connected in series with a coil of the intermediate relay K017, the branch b comprises a normally open contact of the direction relay K066 connected in series with a coil of the contactor KM11, a normally open contact of the intermediate relay K017, and a normally closed auxiliary contact of the contactor KM 21.
3. The device for controlling traveling of crown block transverse position according to claim 1, wherein the crown block east traveling control circuit comprises a branch c and a branch d, the branch c is connected in parallel with the branch d, the branch c comprises the normally closed contact of the traveling limit device S92 connected in series with the coil of the intermediate relay K018, and the branch d comprises the normally open contact of the directional relay K067 connected in series with the coil of the contactor KM21, the normally open contact of the intermediate relay K018 and the normally closed auxiliary contact of the contactor KM 11.
4. The device for controlling traveling of overhead traveling crane according to claim 1, wherein the short circuit switch S89 is a single-pole circuit breaker.
5. The device for controlling the running of the transverse traveling positioning of the crown block according to claim 1, wherein the running gauge is arranged on the rail beam of the crown block, and the running limit device S91 and the running limit device S92 are arranged on the outer side of the end beam of the crown block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270209.2U CN218320355U (en) | 2022-08-26 | 2022-08-26 | Device for controlling walking of transverse positioning of crown block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270209.2U CN218320355U (en) | 2022-08-26 | 2022-08-26 | Device for controlling walking of transverse positioning of crown block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218320355U true CN218320355U (en) | 2023-01-17 |
Family
ID=84885314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222270209.2U Active CN218320355U (en) | 2022-08-26 | 2022-08-26 | Device for controlling walking of transverse positioning of crown block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218320355U (en) |
-
2022
- 2022-08-26 CN CN202222270209.2U patent/CN218320355U/en active Active
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