CN212270155U - Anti-falling stop device for oxygen lance - Google Patents
Anti-falling stop device for oxygen lance Download PDFInfo
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- CN212270155U CN212270155U CN202020819829.5U CN202020819829U CN212270155U CN 212270155 U CN212270155 U CN 212270155U CN 202020819829 U CN202020819829 U CN 202020819829U CN 212270155 U CN212270155 U CN 212270155U
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- plate
- thorn
- oxygen lance
- locking
- stop
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Abstract
The utility model discloses a locking device that falls is prevented to oxygen rifle, including lifting guide, along the oxygen rifle dolly that lifting guide reciprocated, install the thorn board on the lifting guide, the thorn board includes thorn board body, spaced apart a plurality of thorn grooves of establishing on thorn board body, installs the base on the oxygen rifle dolly, and first riser is installed to the upper end of base, and it has the locking head to articulate on the first riser, and the locking head is connected with pulls, and the second riser is installed to the lower extreme of base, is connected with the spring between locking head and the second riser. The utility model discloses simple structure, convenient to use, when drive chain or wire rope fracture, the spring of being connected with the locking head contracts in the twinkling of an eye for the pointed end portion of locking head rises upwards and blocks in the thorn groove of thorn board, and the mode that adopts mechanical locking makes the oxygen rifle dolly stop completely, avoids the oxygen rifle to fall into the steelmaking furnace and makes major accident, and locking safe and reliable, the locking is quick.
Description
Technical Field
The utility model relates to a processing equipment technical field is smelted to the converter, especially relates to a locking device that falls is prevented to oxygen rifle.
Background
Converter steelmaking and external refining are important components of steel production, an oxygen lance is one of key steel-making equipment, in order to facilitate the change of converter smelting process, the position of the oxygen lance needs to be lifted, the oxygen lance is placed on an oxygen lance trolley, when a traction rope or a chain for dragging the oxygen lance trolley is suddenly broken in the lifting process, the oxygen lance falls into a steel-making furnace, and the serious accident of steel-making furnace explosion is possibly caused.
Therefore, in order to solve the technical problems, the oxygen lance anti-falling stopping device is needed to be provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide an anti-falling stop device for an oxygen lance.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
an oxygen lance anti-falling stopping device comprises a lifting guide rail and an oxygen lance trolley moving up and down along the lifting guide rail, wherein a thorn plate is installed on the lifting guide rail and comprises a thorn plate body and a plurality of thorn grooves arranged on the thorn plate body at intervals, a base is installed on the oxygen lance trolley, a first vertical plate is installed at the upper end of the base, a stopping head is hinged to the first vertical plate and connected with a traction piece, a second vertical plate is installed at the lower end of the base, and a spring is connected between the stopping head and the second vertical plate.
As a further improvement of the utility model, the locking head include the locking plate and with first extension board, the second extension board that the locking plate is connected, install the round pin axle on the first riser, the locking plate cover is established sell epaxially, the second riser include the riser body, with the third extension board that the riser body is connected, the both ends of spring respectively with first extension board, third extension board are connected.
As a further improvement of the utility model, the locking plate is including the first locking plate body and the second locking plate body that are connected, first locking plate body respectively with first extension board, second extension board are connected, the second locking plate body is including the first inclined plane, second inclined plane and the third inclined plane that connect gradually, contained angle between first inclined plane and the second inclined plane is the acute angle.
As a further improvement of the present invention, the included angle between the second inclined plane and the third inclined plane is an obtuse angle.
As a further improvement of the present invention, the first locking plate body is connected to the second locking plate body by integral molding.
As a further improvement of the present invention, the vertical plate body is connected to the third extension plate in an integral forming manner.
As a further improvement, the traction piece is a transmission chain, the lower end of the vertical plate body is connected with a second mounting plate, and the second mounting plate is connected with the transmission chain.
As a further improvement of the utility model, the traction part is a steel wire rope.
The utility model has the advantages that:
the utility model has the advantages of simple structure, high durability and convenient use, locking head and oxygen rifle dolly are even as an organic whole, thorn board is even as an organic whole with lifting guide, the oxygen rifle dolly can reciprocate along lifting guide during normal condition, can not cause the influence to the oxygen rifle dolly, make the oxygen rifle normally work, when drive chain or wire rope fracture, the spring of being connected with the locking head contracts in the twinkling of an eye, make the pointed end portion of locking head upwards raise the card in the thorn groove of thorn board, the mode that adopts mechanical locking makes the oxygen rifle dolly stop completely, avoid the oxygen rifle to fall into the steelmaking stove and make major accident, locking safe and reliable, the locking is quick, and has very big spreading value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
in the figure: 10. the lifting guide rail comprises a lifting guide rail body, 12, an oxygen lance trolley body, 14, a ratchet plate, 16, a ratchet plate body, 18, a ratchet groove, 20, a base, 22, a first vertical plate, 24, a stop head, 26, a second vertical plate, 28, a spring, 32, a first support plate, 34, a second support plate, 36, a pin shaft, 38, a vertical plate body, 40, a third support plate, 42, a first stop plate body, 46, a first inclined surface, 48, a second inclined surface, 50, a third inclined surface, 52, a tip end, 54, a transmission chain, 56 and a second mounting plate.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in figures 1 and 2, the oxygen lance anti-falling stopping device comprises a lifting guide rail 10 and an oxygen lance trolley 12 moving up and down along the lifting guide rail 10, wherein a thorn plate 14 is installed on the lifting guide rail 10, the thorn plate 14 extends along the length direction of the lifting guide rail 10, the thorn plate 14 comprises a thorn plate body 16 and a plurality of thorn grooves 18 arranged on the thorn plate body 16 at intervals, the plurality of thorn grooves 18 are arranged at intervals along the length direction of the thorn plate body 16, a base 20 is installed on the oxygen lance trolley 12, a first vertical plate 22 is installed at the upper end of the base 20, a stopping head 24 is hinged on the first vertical plate 22, the stopping head 24 is connected with a traction piece, a second vertical plate 26 is installed at the lower end of the base 20, and a spring 28 is connected between the stopping head 24 and the second vertical plate 26.
The utility model discloses preferred locking head 24 includes the locking plate and the first extension board 32 that is connected with the locking plate, second extension board 34, first extension board 32 sets up with second extension board 34 is perpendicular, first extension board 32 extends along the horizontal direction, second extension board 34 extends along vertical direction, install round pin axle 36 on the first riser 22, the locking plate cover is established on round pin axle 36, the locking plate can rotate around round pin axle 34, second riser 26 includes riser body 38, the third extension board 40 that is connected with riser body 38, the both ends of spring 28 respectively with first extension board 32, third extension board 40 is connected.
The utility model discloses preferred locking plate is including the first locking plate body 42 and the second locking plate body that are connected, first locking plate body 42 is connected with first branch board 32, second branch board 34 respectively, the second locking plate body is including the first inclined plane 46, second inclined plane 48 and the third inclined plane 50 that connect gradually, contained angle B between first inclined plane 46 and the second inclined plane 48 is the acute angle to when accident situation, the tip portion 52 card that first inclined plane 46 and second inclined plane 48 of being convenient for formed is in ratchet groove 18.
In order to improve the strength of the stopper plate, the included angle C between the second inclined plane 48 and the third inclined plane 50 is preferably an obtuse angle.
In order to further improve the strength of the locking plate, the first locking plate body 42 is preferably integrally formed with the second locking plate body.
In order to improve the strength of the second riser 26, the preferred riser body 38 of the present invention is integrally connected to the third support plate 40.
In this embodiment, the pulling member is a transmission chain 54, the second support plate 34 is connected to the transmission chain 54, the lower end of the vertical plate body 38 is connected to a second mounting plate 56, the second mounting plate 56 is connected to the transmission chain 54, and the transmission chain 54 is disposed in an annular shape, only a part of which is shown in the figure. It will be appreciated that the pulling member is not limited to the drive chain 54 and may be a wire rope.
When the utility model is used, in the initial state, the stop head 24 is at the position 24A, the spring 28 is in the stretching state, a gap is formed between the stop head 24 and the thorn plate 14, the stop head 24 can not interfere the movement of the oxygen lance carriage 12, the oxygen lance carriage 12 can move up and down along the lifting guide rail 10 under the traction of the transmission chain 54, and the oxygen lance mounted on the oxygen lance carriage 12 is in the normal working state; when the transmission chain 54 is suddenly broken, the tension of the transmission chain 54 on the stopper 24 disappears, the spring 28 instantaneously contracts, the first support plate 32 moves downwards under the action of the instantaneous contraction of the spring 28, the tip part 52 rises upwards and is clamped in the ratchet groove 18 of the ratchet plate 14, and the stopper 24 is at the position 24B, so that the oxygen lance trolley 12 is completely stopped to avoid the falling of the oxygen lance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An anti-falling stopping device for an oxygen lance comprises a lifting guide rail and an oxygen lance trolley moving up and down along the lifting guide rail, and is characterized in that a thorn plate is mounted on the lifting guide rail and comprises a thorn plate body and a plurality of thorn grooves arranged on the thorn plate body at intervals, a base is mounted on the oxygen lance trolley, a first vertical plate is mounted at the upper end of the base, a stopping head is hinged to the first vertical plate and connected with a traction piece, a second vertical plate is mounted at the lower end of the base, and a spring is connected between the stopping head and the second vertical plate.
2. The oxygen lance anti-falling stopping device as claimed in claim 1, wherein the stopping head comprises a stopping plate, a first support plate and a second support plate connected with the stopping plate, the first vertical plate is provided with a pin shaft, the stopping plate is sleeved on the pin shaft, the second vertical plate comprises a vertical plate body and a third support plate connected with the vertical plate body, and two ends of the spring are respectively connected with the first support plate and the third support plate.
3. The oxygen lance fall arrest stop device according to claim 2, characterized in that the stop plate comprises a first stop plate body and a second stop plate body which are connected, the first stop plate body is connected with the first support plate and the second support plate respectively, the second stop plate body comprises a first inclined surface, a second inclined surface and a third inclined surface which are connected in sequence, and the included angle between the first inclined surface and the second inclined surface is an acute angle.
4. The lance anti-fall stopping device according to claim 3, wherein the angle between the second inclined surface and the third inclined surface is an obtuse angle.
5. The lance anti-fall stop device according to claim 3, wherein the first stop plate body is integrally connected with the second stop plate body.
6. The oxygen lance fall arrest stop device according to claim 2, wherein the riser body is integrally connected to the third support plate.
7. The oxygen lance fall prevention stopping device as claimed in any one of claims 2 to 6, wherein the pulling member is a transmission chain, and the lower end of the riser body is connected with a second mounting plate, and the second mounting plate is connected with the transmission chain.
8. The lance fall arrest stop device according to any one of claims 2 to 6, wherein the pulling member is a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819829.5U CN212270155U (en) | 2020-05-15 | 2020-05-15 | Anti-falling stop device for oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819829.5U CN212270155U (en) | 2020-05-15 | 2020-05-15 | Anti-falling stop device for oxygen lance |
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| Publication Number | Publication Date |
|---|---|
| CN212270155U true CN212270155U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020819829.5U Active CN212270155U (en) | 2020-05-15 | 2020-05-15 | Anti-falling stop device for oxygen lance |
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| CN (1) | CN212270155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134280A (en) * | 2021-11-24 | 2022-03-04 | 中冶南方工程技术有限公司 | Standby position oxygen lance anti-falling device |
| CN115478126A (en) * | 2021-06-16 | 2022-12-16 | 中冶南方工程技术有限公司 | Locking mechanism of oxygen lance lifting trolley |
-
2020
- 2020-05-15 CN CN202020819829.5U patent/CN212270155U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478126A (en) * | 2021-06-16 | 2022-12-16 | 中冶南方工程技术有限公司 | Locking mechanism of oxygen lance lifting trolley |
| CN115478126B (en) * | 2021-06-16 | 2023-07-28 | 中冶南方工程技术有限公司 | Locking mechanism of oxygen lance lifting trolley |
| CN114134280A (en) * | 2021-11-24 | 2022-03-04 | 中冶南方工程技术有限公司 | Standby position oxygen lance anti-falling device |
| CN114134280B (en) * | 2021-11-24 | 2023-03-28 | 中冶南方工程技术有限公司 | Standby position oxygen lance anti-falling device |
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