CN212955204U - Anti-falling device for oxygen lance - Google Patents
Anti-falling device for oxygen lance Download PDFInfo
- Publication number
- CN212955204U CN212955204U CN202021525575.2U CN202021525575U CN212955204U CN 212955204 U CN212955204 U CN 212955204U CN 202021525575 U CN202021525575 U CN 202021525575U CN 212955204 U CN212955204 U CN 212955204U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- falling
- base
- oxygen lance
- dolly base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 37
- 239000001301 oxygen Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003139 buffering effect Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 4
- 238000009628 steelmaking Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a steelmaking technical field especially relates to oxygen rifle anti-falling device, and it includes dolly base, slide rail, rope sheave and prevents falling the mechanism, and the gliding installation in dolly base both sides is on two slide rails, prevents that falling the mechanism and includes support frame, two brake levers and buffering return mechanism, and the support frame includes chassis and two side bearers, the rope sheave is installed between two side bearers, and the chassis is located dolly base top and is connected with the dolly base through direction stop gear, and buffering return mechanism installs between chassis and dolly base, every the brake lever middle part is articulated with the slide rail of homonymy, and the upper end is articulated with the side bearer of homonymy, and fixed mounting has the brake pads on the. The device provided by the utility model simple structure, the braking is reliable, the falling of oxygen rifle dolly when can effectively preventing wire rope fracture.
Description
Technical Field
The utility model relates to a steelmaking technical field especially relates to oxygen rifle anti-falling device.
Background
The oxygen lance system comprises a lifting mechanism, an oxygen lance trolley with an oxygen lance, and a water cooling circulation system in the oxygen lance body is main equipment in the smelting production process; in the production process, the intermittent and continuous operation of the oxygen lance system is realized by the up-and-down movement of the oxygen lance trolley along the slide rail, and the oxygen lance trolley is driven by a winch steel wire rope and a rope pulley. In the lifting and descending processes, the oxygen lance trolley falls due to sudden unexpected equipment faults such as steel wire rope breakage, brake and the like of the lifting system, and the oxygen lance is directly inserted into a hearth of the converter, so that great accident potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a falling-proof device of an oxygen lance with simple structure and reliable braking.
The utility model discloses a realize through following technical scheme:
oxygen rifle anti-falling device, it includes dolly base, slide rail, rope sheave and prevents the mechanism of falling, the gliding installation in dolly base both sides is on two slide rails, it includes support frame, two brake levers and buffering return mechanism to prevent falling the mechanism, the support frame includes chassis and two side bearers, the rope sheave is installed between two side bearers, the chassis is located dolly base top and is connected with the dolly base through direction stop gear, and buffering return mechanism installs between chassis and dolly base, every the brake lever middle part is articulated with the slide rail of homonymy, and the upper end is articulated with the side bearer of homonymy, fixed mounting has the brake pads on the slide rail.
Preferably, the buffering return mechanism comprises a pull rod and a spring, the pull rod is installed in the middle of the trolley base, a spring installation seat is fixedly installed on the underframe, the pull rod penetrates through the spring installation seat, the spring is sleeved on the pull rod and located in the spring installation seat, and a pressing device is installed at the top of the pull rod.
Furthermore, the upper end part of the pull rod is provided with an external thread, and the compressing device comprises a gland sleeved on the pull rod and a compression nut positioned above the gland.
Preferably, the guide limiting mechanism is a pin shaft.
Furthermore, the direction stop gear includes the uide bushing with dolly base fixed connection and the guide post with chassis fixed connection, and the guide post is located the uide bushing.
Beneficial effects of the utility model
When the winch normally works, a steel wire rope of the winch is sleeved on the rope pulley, and the winch rotates to drive the oxygen lance trolley to move up and down along the slide rail, so that the position of the oxygen lance is changed. When the steel wire rope is suddenly broken, the support frame can drive the rope pulley to move downwards under the action of the buffering and returning mechanism, the brake rod is enabled to rotate along the pin shaft in the middle, the lower portion of the brake rod is enabled to stretch to move downwards along the sliding rail, when the brake rod moves to the brake block, the whole anti-falling mechanism does not fall down, and therefore the oxygen lance trolley does not fall down, and effective braking is formed on the oxygen lance trolley. The whole mechanism is simple in structure and reliable in braking, and can effectively prevent the oxygen lance trolley from falling when a steel wire rope is broken, so that potential safety hazards are avoided.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
in the figure, 1, a support frame, 2, a rope pulley, 3, a side frame, 4, a pull rod, 5, a brake rod, 6, a sliding rail, 7, a spring mounting seat, 8, a spring, 9, a compression nut, 10, a gland, 11, a bottom frame, 12, a pin shaft, 13, a trolley base and 14, a brake block are arranged.
Detailed Description
Oxygen rifle anti-falling device, it includes dolly base 13, slide rail 6, rope sheave 2 and prevents the mechanism of falling, the gliding installation in dolly base both sides is on two slide rails, it includes support frame 1, two brake levers 5 and buffering return mechanism to prevent falling the mechanism, the support frame includes chassis 11 and two side bearer 3, the rope sheave is installed between two side bearers, the chassis is located dolly base top and is connected with the dolly base through direction stop gear, and buffering return mechanism installs between chassis and dolly base, every the brake lever middle part is articulated with the slide rail of homonymy, and the upper end is articulated with the side bearer of homonymy, fixed mounting has brake block 14 on the slide rail.
Preferably, the buffering return mechanism comprises a pull rod 4 and a spring 8, the pull rod is arranged in the middle of the trolley base, a spring mounting seat 7 is fixedly arranged on the bottom frame, the pull rod penetrates through the spring mounting seat, the spring is sleeved on the pull rod and is positioned in the spring mounting seat, a pressing device is arranged at the top of the pull rod, when the winch normally works, a steel wire rope (not shown) of the winch is sleeved on a rope pulley, the winch (not shown) rotates to drive the oxygen lance trolley to move up and down along the sliding rail, a certain distance is reserved between the bottom frame and the trolley base under the action of the gravity of the trolley, the spring is in a compressed state, the brake rod is in a contracted state, after the steel wire rope is suddenly broken, the support frame is pushed to move downwards under the action of the restoring force of the spring, so that the lower part of the brake rod, thereby the oxygen lance trolley does not fall off any more, the oxygen lance trolley is effectively braked, the structure is simple, and the braking is reliable.
Furthermore, the upper end part of the pull rod is provided with an external thread, and the compressing device comprises a gland 10 sleeved on the pull rod and a compression nut 9 positioned above the gland.
Optimally, the guide limiting mechanism is a pin shaft 12, the installation is more convenient, the pin shaft can connect the trolley base and the supporting frame together and can move relatively to form a certain gap, and the guide limiting mechanism has a guide function.
Furthermore, the guide limiting mechanism comprises a guide sleeve fixedly connected with the trolley base and a guide post fixedly connected with the underframe, the guide post is positioned in the guide sleeve, the guide post is matched with the guide sleeve to connect the trolley base and the support frame together and can be relatively actuated to form a certain gap, and the guide mechanism guides in the movement process to ensure that the braking is more reliable.
When the winch normally works, the steel wire rope of the winch is sleeved on the rope pulley, and the winch rotates to drive the oxygen lance trolley to move up and down along the slide rail, so that the position of the oxygen lance is changed. If the steel wire rope is suddenly broken, the buffering and returning mechanism is arranged, under the action of the buffering and returning mechanism, the support frame can drive the rope pulley to move downwards, the brake rod is made to rotate along the pin shaft at the middle part, the lower part of the brake rod is made to stretch to move downwards along the sliding rail, the whole anti-falling mechanism is not fallen when the brake rod moves to the brake block, and therefore the oxygen lance trolley does not fall down and forms effective braking on the oxygen lance trolley. The whole mechanism is simple in structure and reliable in braking, and can effectively prevent the oxygen lance trolley from falling when a steel wire rope is broken, so that potential safety hazards are avoided.
To sum up, the utility model provides an oxygen lance anti-falling device, simple structure, the braking is reliable, the falling of oxygen lance dolly when can effectively preventing wire rope fracture.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Oxygen rifle anti-falling device, its characterized in that includes dolly base, slide rail, rope sheave and prevents the mechanism of falling, the gliding installation in dolly base both sides is on two slide rails, it includes support frame, two brake levers and buffering return mechanism to prevent falling the mechanism, the support frame includes chassis and two side bearer, the rope sheave is installed between two side bearers, the chassis is located dolly base top and is connected with the dolly base through direction stop gear, and buffering return mechanism installs between chassis and dolly base, every the brake lever middle part is articulated with the slide rail of homonymy, and the upper end is articulated with the side bearer of homonymy, fixed mounting has the brake pads on the slide rail.
2. The oxygen lance fall prevention device as claimed in claim 1, wherein the buffering return mechanism comprises a pull rod and a spring, the pull rod is mounted in the middle of the base of the trolley, a spring mounting seat is fixedly mounted on the bottom frame, the pull rod passes through the spring mounting seat, the spring is sleeved on the pull rod and is positioned in the spring mounting seat, and a pressing device is mounted at the top of the pull rod.
3. The oxygen lance fall prevention device as claimed in claim 2, wherein the upper end of the pull rod is provided with an external thread, and the compression device comprises a gland sleeved on the pull rod and a compression nut positioned above the gland.
4. The oxygen lance fall prevention device as claimed in any one of claims 1 to 3, wherein the guide limiting mechanism is a pin.
5. The oxygen lance fall prevention device as claimed in any one of claims 1 to 3, wherein the guiding and limiting mechanism comprises a guiding sleeve fixedly connected with the base of the trolley and a guiding column fixedly connected with the base frame, and the guiding column is positioned in the guiding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525575.2U CN212955204U (en) | 2020-07-29 | 2020-07-29 | Anti-falling device for oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525575.2U CN212955204U (en) | 2020-07-29 | 2020-07-29 | Anti-falling device for oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212955204U true CN212955204U (en) | 2021-04-13 |
Family
ID=75345608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021525575.2U Expired - Fee Related CN212955204U (en) | 2020-07-29 | 2020-07-29 | Anti-falling device for oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212955204U (en) |
-
2020
- 2020-07-29 CN CN202021525575.2U patent/CN212955204U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210413 |