CN210085488U - Rock drill cooling protective cover of blast furnace tapping machine - Google Patents
Rock drill cooling protective cover of blast furnace tapping machine Download PDFInfo
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- CN210085488U CN210085488U CN201920869333.6U CN201920869333U CN210085488U CN 210085488 U CN210085488 U CN 210085488U CN 201920869333 U CN201920869333 U CN 201920869333U CN 210085488 U CN210085488 U CN 210085488U
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Abstract
The utility model belongs to the technical field of metallurgical industry iron-making blast furnace tapping machine rock drill is used, a blast furnace tapping machine's rock drill cooling safety cover is disclosed, the outside at the rock drill is established to rock drill cooling safety cover, and rock drill cooling safety cover is fixed in the lower part of rock drill dolly through fixed subassembly, and fixed subassembly is fixed block subassembly or eye bolt subassembly. The cooling protective cover of the rock drill is a groove-shaped hollow cover body with an opening at the upper part, and the groove-shaped hollow cover body is of a closed structure which is made of high-temperature resistant materials and is provided with an interlayer. And a cooling air inlet and a cooling air outlet are formed in the outer wall of the groove-shaped hollow cover body, cooling air enters the interlayer of the groove-shaped hollow cover body through the cooling air inlet and is discharged out of the groove-shaped hollow cover body through the cooling air outlet, and the rock drill is cooled. The utility model discloses a rock drill cooling safety cover has simple structure, and it is convenient to connect, can insulate against heat and cool down the processing to the rock drill, has prolonged the life of rock drill.
Description
Technical Field
The utility model belongs to the technical field of metallurgical industry iron-making blast furnace tapping machine rock drill application, concretely relates to rock drill cooling safety cover of blast furnace tapping machine.
Background
The blast furnace taphole drilling machine is a common device in iron works, and has the function of opening a blast furnace taphole to realize modern blast furnace smelting. The blast furnace taphole drilling machine comprises a rotary part and a drilling part, wherein when the taphole drilling machine works, the rotary part sends the taphole drilling machine to a working position from a parking position, the drilling part opens a taphole, and after the taphole is opened, the rotary part rapidly sends the taphole drilling machine back to the parking position.
The drilling part mainly reports and considers a rock drill and a drill rod on the rock drill, and the rock drill is one of core devices of a blast furnace taphole drilling machine, is arranged in front of a blast furnace and is used for driving the drill rod to drill a taphole during molten iron discharge.
Most of the existing rock drills are exposed outside or covered by steel plates and the like so as to isolate molten iron splashing and realize the protection of the rock drills. But in the process of opening the iron notch, the rock drill is positioned above the iron hook with the temperature of about 700 ℃, and stays for about 3-5 minutes until the iron notch is opened and returns to the parking position. In the secondary process, the rock drill is damaged due to high-temperature heat radiation, and the service life of the rock drill is greatly shortened.
Therefore, there is a need for improving or protecting the rock drill of the blast furnace taphole drilling machine to prevent the rock drill from being damaged by high-temperature heat radiation and molten iron splashing during operation, thereby reducing the service life of the rock drill.
Disclosure of Invention
An object of the utility model is to provide a simple structure's blast furnace tapping machine rock drill cooling safety cover, through the setting of rock drill cooling safety cover, the rock drill is destroyed by high temperature thermal radiation when having avoided the operation, influences the performance of rock drill, reduces the life-span of rock drill.
Realize the utility model discloses the technical scheme of purpose as follows: a rock drill cooling protective cover of a blast furnace tapping machine is covered outside the rock drill, and is fixed on the lower part of a rock drill trolley through a fixing component which is a fixing block component or an eyelet bolt component. The cooling protective cover of the rock drill is a groove-shaped hollow cover body with an opening at the upper part, and the groove-shaped hollow cover body is of a closed structure which is made of high-temperature resistant materials and is provided with an interlayer.
And a cooling air inlet and a cooling air outlet are formed in the outer wall of the groove-shaped hollow cover body, cooling air enters the interlayer of the groove-shaped hollow cover body through the cooling air inlet and is discharged out of the groove-shaped hollow cover body through the cooling air outlet, and the rock drill is cooled.
The cooling air inlet is connected with a pipeline of the cooling device, and is arranged at the upper part of the side wall of the groove-shaped hollow cover body and positioned at one end far away from a drill rod of the rock drill in order to reduce the length of the cooling air pipeline. The cooling air outlet is arranged on the bottom wall of the groove-shaped hollow cover body and is positioned at one end close to the drill rod of the rock drill.
Furthermore, the groove-shaped hollow cover body is made of high-temperature-resistant metal materials, the groove-shaped hollow structure made of the high-temperature-resistant metal materials has high thermal conductivity, and due to the fact that the temperature difference between the outside of the groove-shaped hollow cover body and the inside of the groove-shaped hollow cover body is in an interlayer, high-temperature heat energy in the cooling protective cover of the rock drill is transferred to the interlayer, a cooler located in the interlayer absorbs the heat energy and conveys the heat energy to the outside of the cooling protective cover of the rock drill, and protection of the rock drill in the cooling protective cover of the rock drill is.
Preferably, because the temperature above the iron hook is higher, in order to reduce the entering of the high-heat energy groove-shaped hollow cover body made of metal materials into the rock drill cooling protective cover and reduce the heat energy absorbed in the rock drill cooling protective cover, the outer wall of the groove-shaped hollow cover body is made of two layers of sealed and vacuumized titanium materials.
When the cooling protective cover of the rock drill is detached or installed, a handheld part is further arranged on the groove-shaped hollow cover body for facilitating operation.
As right the utility model discloses an it is right to improve, fixed block subassembly has 2 groups, is located the both ends of rock drill dolly respectively, and the fixed block subassembly includes the first fixed block of welding on the rock drill dolly, the welding connecting block on the internal side wall of groove-shaped cavity cover, connects the screw of first fixed block and connecting block.
All set up the mounting hole of taking the internal screw thread on first fixed block and the connecting block, the screw passes connecting block and first fixed block in proper order, makes rock drill cooling safety cover fix on the rock drill dolly.
As a further improvement to the invention, the fixing assembly is an eye bolt assembly in order to facilitate the disassembly of the rock drill cooling protection cover. The swing bolt assembly comprises at least 4 swing bolts, one end of each swing bolt is hinged and fixed on the cooling protection cover of the rock drill, and the other end of each swing bolt is detachably fixed on the rock drill trolley through a swing bolt locking nut.
Further, the welding of the upper end of the groove-shaped hollow cover body has a groove-shaped second fixed block, the second fixed block comprises a bottom wall and a side wall with two ends of the bottom wall vertically upward, the bottom wall and the side wall surround to form a groove, and a through hole is formed in the side wall. The hinged end of the swing bolt is arranged in the groove, and the swing bolt is fixedly hinged on the second fixed block through a pin shaft and an opening pin. When the swing bolt assembly is damaged, only the swing bolt needs to be replaced, and the service life of the rock drill cooling protective cover is prolonged.
Compared with the prior art, the beneficial effects of the utility model are that: the protective cover of the utility model is a double-layer high temperature resistant structure, which is used for isolating the high temperature radiation of the iron hook at the lower part of the rock drill; and let in the cooling gas in the intermediate layer of double-deck high temperature resistant structure, cool down the rock drill through the cooler, can avoid the safety cover to cause the deformation because of the high temperature on the one hand, on the other hand can further reduce the temperature of rock drill lower part, avoids the rock drill to be destroyed by high temperature.
Drawings
FIG. 1 is a schematic view of a rock drill cooling protective cover of a blast furnace tapping machine according to the present invention;
fig. 2 is a schematic view of a fixed block assembly of an embodiment 3 of a rock drill cooling protective cover of the present invention;
fig. 3 is a schematic view of a rock drill cooling protective cover according to embodiment 4 of the present invention;
fig. 4 is a schematic view of an eye bolt assembly of embodiment 4 of the rock drill cooling shield of the present invention;
fig. 5 is a sectional view a-a of an eye bolt assembly of an embodiment 4 of a rock drill cooling shield according to the invention;
wherein, 1, the rock drill cools the protective cover; 2. a rock drill; 3. a fixing assembly; 4. a rock drill carriage; 5. a rock drill rail beam; 6. an interlayer; 7. a cooler air inlet; 8. a cooler air outlet; 9. a hand-held portion; 10. a rock drill rod; 31. a first fixed block; 32. connecting blocks; 33. a screw; 34. an eye bolt; 35. an eye bolt lock nut; 36. a second fixed block; 37. a pin shaft; 38. and a cotter pin.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
referring to fig. 1, in the present embodiment, a rock drill carriage 4 is provided on a rock drill rail beam 5 of a blast furnace tapping machine, and a rock drill 2 is fastened to the rock drill carriage 4 by bolts. The rock drill cooling protective cover 1 is covered outside the rock drill 2, the rock drill cooling protective cover 1 is fixed on the lower part of a rock drill trolley 4 through a fixing component 3, and the fixing component 3 is a fixed block component or an eyelet bolt component.
As shown in fig. 4, the rock drill cooling protective cover 1 is a groove-shaped hollow cover body with an opening at the upper part, and the groove-shaped hollow cover body is a closed structure which is made of a high-temperature resistant steel plate or a high-temperature resistant plastic material and is provided with an interlayer 6. And a cooling air inlet 7 and a cooling air outlet 8 are formed in the outer wall of the groove-shaped hollow cover body, and the cooling air inlet 7 is formed in the upper part of the side wall of the groove-shaped hollow cover body and is positioned at one end far away from a drill rod 10 of the rock drill. The temperature of the outer lower extreme of rock drill cooling safety cover 1 is high, for the cooling effect of the cooling gas in guaranteeing intermediate layer 6, sets up the width of intermediate layer 6 into 3~10 cm.
And a cooling air outlet 8 is arranged on the bottom wall of the groove-shaped hollow cover body and is positioned at one end close to a drill rod of the rock drill. The cooling air enters the interlayer 6 of the groove-shaped hollow cover body through the cooling air inlet 7 and is exhausted out of the groove-shaped hollow cover body through the cooling air outlet 8, so that the rock drill 2 is cooled.
Example 2:
the present embodiment is further improved on the basis of embodiment 1, and the difference between the present embodiment and embodiment 1 is that: the inner wall and the outer wall of the groove-shaped hollow cover body of the present embodiment are made of a high temperature resistant metal material (e.g., a titanium alloy material, a cast iron material, a cast steel material, etc.). High temperature resistant metal material has higher thermal conductivity, and when letting in the cooling gas in the intermediate layer 6 of the groove-like cavity cover body, the high temperature resistant metal outer wall of the groove-like cavity cover body can be quick with the heat energy transmission in the safety cover to the intermediate layer 6 in, absorb through the cooling gas, realized the protection to the rock drill car in the rock drill cooling safety cover.
Because of the temperature of iron hook top is higher, in order to reduce rock drill cooling safety cover 1 outside heat energy through rock drill cooling safety cover 1 outer wall entering rock drill cooling safety cover 1 inside, cause rock drill 2's heat radiation destruction, it is made by sealed and two-layer titanium material of evacuation to prefer rock drill cooling safety cover 1's outer wall, the structure of the outer wall simulation thermos cup of two-layer titanium material of evacuation, it can slow down rock drill cooling safety cover 1 outside heat energy through two-layer titanium material entering rock drill cooling safety cover 1 inside of evacuation, and reduced the consumption of cooling gas.
As a further improvement to this embodiment and embodiment 1, the trough-like hollow cover body is further provided with a hand-held portion 9 to facilitate removal or attachment of the rock drill cooling shield 1. When the cooling protection cover 1 of the rock drilling machine is dismounted or mounted, the hand-held part 9 is held or held by hand, and the cooling protection cover 1 of the rock drilling machine is dismounted or mounted. Wherein, according to the difference of rock drill size and structure, according to the difference of the material of rock drill cooling safety cover 1, handheld portion 9 can set up on the diapire or the lateral wall of rock drill cooling safety cover 1, can have one, also can have a plurality ofly.
Example 3:
this embodiment is a form of fixation of the rock drill cooling shield 1 of embodiments 1 and 2 with the rock drill 2 and the rock drill carriage 4.
As shown in fig. 2: the fixed component 3 is a fixed block component, the fixed block component comprises 2 groups, and the 2 groups of fixed block components are respectively positioned at two ends of the lower carriage 4 of the rock drill. The 2 groups of fixed block components comprise two first fixed blocks 31 welded at the front end and the rear end of the rock drill trolley 4, 2 connecting blocks 32 welded at two ends of the inner side wall of the groove-shaped hollow cover body, and 2 screws 33 connected with the first fixed blocks 31 and the connecting blocks 32.
Mounting holes with internal threads are formed in the first fixing block 31 and the connecting block 32, and screws 33 sequentially penetrate through the connecting block 32 and the first fixing block 31, so that the rock drill cooling protection cover 1 is fixed on the rock drill trolley 4.
The method for installing the cooling protective cover 1 of the rock drill comprises the following steps: the rock drill cooling protection cover 1 is covered outside the rock drill 2, the connecting block 32 is corresponding to the mounting hole on the first fixing block 31, and the rock drill cooling protection cover 1 is fixed on the rock drill trolley 4 through the screw 33.
Example 4:
this embodiment is another form of fixing the rock drill cooling shield 1 of embodiments 1 and 2 to the rock drill 2 and the rock drill carriage 4.
As shown in fig. 4 and 5: the fixing component 3 is an eyelet bolt component which comprises at least 4 eyelet bolts 34, one end of each eyelet bolt 34 is hinged and fixed on the rock drill cooling protection cover 1, the other end of each eyelet bolt 34 is detachably fixed on the rock drill trolley 4 through an eyelet bolt locking nut 35, and the edge of the rock drill trolley 4 is milled with a fixing part for the eyelet bolt 34 of the eyelet bolt to enter and fix.
The welding of the upper end of the slot-like hollow cover body has the slot-like second fixed block 36, and second fixed block 36 includes the perpendicular ascending lateral wall in diapire and diapire both ends, and diapire and lateral wall are around forming the recess, and have seted up the through-hole on the lateral wall. The pivot end of the pivot bolt 34 is arranged in a recess, and the pivot bolt 34 is fixed in a pivoting manner on the second fixing block 36 by means of a pin 37 and a cotter pin 38.
When fixing the rock drill cooling protective cover 1 to the rock drill carriage 4, the swing bolt 34 is rotated, so that the hinged end of the swing bolt 34 rotates along the pin shaft 37 until the bolt end of the swing bolt 34 enters the fixing part on the rock drill carriage 4, and then the rock drill cooling protective cover 1 is tightly connected with the rock drill carriage 4 by the swing bolt locking nut 35.
When the swing bolt assembly is damaged, only the swing bolt 34, the pin shaft 37 or the cotter pin 38 need to be replaced, which improves the service life of the rock drill cooling protective cover 1.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
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. The utility model provides a rock drill cooling safety cover of blast furnace tapping machine, the outside at the rock drill is established to rock drill cooling safety cover, its characterized in that: the rock drill cooling protection cover is fixed on the lower part of the rock drill trolley through a fixing component, and the fixing component is a fixing block component or an eyelet bolt component;
the rock drill cooling protective cover is a groove-shaped hollow cover body with an opening at the upper part, and the groove-shaped hollow cover body is of a closed structure which is made of high-temperature-resistant materials and is provided with an interlayer;
and a cooling air inlet and a cooling air outlet are formed in the outer wall of the groove-shaped hollow cover body, cooling air enters the interlayer of the groove-shaped hollow cover body through the cooling air inlet and is discharged out of the groove-shaped hollow cover body through the cooling air outlet, and the temperature of the rock drill is reduced.
2. A rock drill cooling shield for a blast furnace tapping machine according to claim 1, wherein: the cooling air inlet is arranged at the upper part of the side wall of the groove-shaped hollow cover body and is positioned at one end far away from a drilling rod of the rock drill;
and the cooling air outlet is arranged on the bottom wall of the groove-shaped hollow cover body and is positioned close to one end of the drill rod of the rock drill.
3. A rock drill cooling shield for a blast furnace tapping machine according to claim 2, wherein: the groove-shaped hollow cover body is made of high-temperature-resistant metal materials.
4. A rock drill cooling shield for a blast furnace tapping machine according to claim 3, wherein: the outer wall of the groove-shaped hollow cover body is made of two layers of sealed and vacuumized titanium materials.
5. A rock drill cooling shield for a blast furnace tapping machine according to claim 1, wherein: the groove-shaped hollow cover body is also provided with a handheld part.
6. A rock drill cooling protective cover for a blast furnace tapping machine according to any one of claims 1 to 5, characterized in that: the fixed block assembly comprises 2 groups of fixed block assemblies which are respectively positioned at two ends of the rock drill trolley, and each fixed block assembly comprises a first fixed block welded on the rock drill trolley, a connecting block welded on the inner side wall of the groove-shaped hollow cover body and a screw connected with the first fixed block and the connecting block;
the first fixing block reaches all set up the mounting hole of in-band screw thread on the connecting block, the screw passes in proper order the connecting block reaches first fixing block makes rock drill cooling safety cover is fixed on the rock drill dolly.
7. A rock drill cooling protective cover for a blast furnace tapping machine according to any one of claims 1 to 5, characterized in that: the swing bolt assembly comprises at least 4 swing bolts, one end of each swing bolt is hinged and fixed on the rock drill cooling protection cover, and the other end of each swing bolt is detachably fixed on the rock drill trolley through a swing bolt locking nut.
8. A rock drill cooling shield for a blast furnace tapping machine as claimed in claim 7, wherein: a groove-shaped second fixing block is welded at the upper end of the groove-shaped hollow cover body, the second fixing block comprises a bottom wall and side walls, the two ends of the bottom wall are vertically upward, grooves are formed by the surrounding of the bottom wall and the side walls, and through holes are formed in the side walls;
the hinged end of the swing bolt is arranged in the groove, and the swing bolt is fixedly hinged on the second fixed block through a pin shaft and an opening pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869333.6U CN210085488U (en) | 2019-06-11 | 2019-06-11 | Rock drill cooling protective cover of blast furnace tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869333.6U CN210085488U (en) | 2019-06-11 | 2019-06-11 | Rock drill cooling protective cover of blast furnace tapping machine |
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| Publication Number | Publication Date |
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| CN210085488U true CN210085488U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920869333.6U Active CN210085488U (en) | 2019-06-11 | 2019-06-11 | Rock drill cooling protective cover of blast furnace tapping machine |
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| CN (1) | CN210085488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862410A (en) * | 2021-09-29 | 2021-12-31 | 新兴铸管股份有限公司 | Blast furnace taphole depth measuring device and method |
-
2019
- 2019-06-11 CN CN201920869333.6U patent/CN210085488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862410A (en) * | 2021-09-29 | 2021-12-31 | 新兴铸管股份有限公司 | Blast furnace taphole depth measuring device and method |
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