CN205473855U - Metallurgical combination tool joint - Google Patents
Metallurgical combination tool joint Download PDFInfo
- Publication number
- CN205473855U CN205473855U CN201620058642.1U CN201620058642U CN205473855U CN 205473855 U CN205473855 U CN 205473855U CN 201620058642 U CN201620058642 U CN 201620058642U CN 205473855 U CN205473855 U CN 205473855U
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- joint
- drilling rod
- built
- rod
- containing cavity
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Abstract
The utility model discloses a metallurgical combination tool joint, including round platform form combination coupling, combination coupling has the drilling rod holding chamber in the concave yield combination coupling along self axis direction in, and becomes symmetrical arrangement and offer two G type draw -in grooves on the periphery combination coupling wall body of drilling rod holding chamber, and G type draw -in groove is linked together with drilling rod holding chamber. The utility model discloses can become metallurgical drilling rod with two drilling rod built -up connection.
Description
Technical field
This utility model relates to metal smelt technical field of auxiliary equipment, is specifically related to a kind of metallurgical sectional rod joint.
Background technology
In metallurgical industry enterprise, such as iron and steel enterprise, after the molten iron in metallurgy high furnace reaches predetermined component requirements, tapping hole must be opened with tapping outlet rig and molten iron is released to molten steel transfer device, in ladle, by molten steel transfer device, molten iron delivered to lower road smelting procedure or directly molten iron is cast as corresponding steel product.
Drilling rod is a kind of drilling machine components necessary to tapping outlet operation.Drilling rod normal length for metallurgical furnace is 4～7 meters, it includes the body of rod and is arranged on the rig adapter sleeve of body of rod rig connection end, such as the Chinese patent literature of Publication No. CN203904375U, disclosed a kind of blast furnace open hole drilling tool, including the drilling rod being sequentially connected with, adapter sleeve, bit shank；Drilling rod has through hole, and one end of this drilling rod is welded with drill bit, and the other end is threaded connection with adapter sleeve, is provided with sealing shroud between adapter sleeve and bit shank, and wherein, adapter sleeve, sealing shroud are integrated with bit shank；Sealing shroud is provided with fresh air inlet and inlet opening, and this fresh air inlet connects with through hole respectively with inlet opening；Bit shank is provided with stern notch away from one end of sealing shroud, and the middle part of bit shank is provided with spline, and this spline is integrated with bit shank.
During tapping outlet operation, Dang Tiekou opens, and the high temperature liquid iron gushed out from Tie Kou directly contacts with drill bit and drilling rod leading portion, drill bit and drilling rod leading portion scaling loss is even melted.Every time after tapping outlet, drilling rod front end 2～3 rice grain pattern is often burnt, and causes drilling rod entirety not recycle, and therefore, in blast furnace metallurgy operation process, drilling rod is attrition component.
Drilling rod during tapping outlet operation, is typically only capable to use once, and consumption is big, is just added significantly to tapping outlet operating cost.
Utility model content
Technical problem to be solved in the utility model is to provide the metallurgical sectional rod joint of a kind of sectional rod that two drilling rods can be connected into metallurgical drilling rod, thus reduces tapping outlet operating cost further.
This utility model solves technical problem and be the technical scheme is that
Metallurgical sectional rod joint, including round table-like built-up joint, built-up joint has the drilling rod containing cavity being inwardly recessed in built-up joint along own axes side, and two the G type draw-in grooves being opened on the built-up joint wall body of drilling rod containing cavity periphery in a symmetrical arrangement, and G type draw-in groove is connected with drilling rod containing cavity.
Further, built-up joint includes the second joint platform with two G type draw-in grooves, with the first joint platform fixing connection along the second joint platform axis direction and the second joint platform, the peripheral dimension of the first joint platform is less than the second joint platform peripheral dimension, and drilling rod containing cavity extends to the first joint platform from the second joint platform.
Further, the circumferential limit chamber being connected with drilling rod containing cavity, and the axial limiting chamber being connected with circumference limit chamber, drilling rod containing cavity, circumference limit chamber, the dead in line in axial limiting chamber it are further opened with in the first joint platform.
Metallurgical sectional rod joint of the present utility model is applicable to the tapping outlet rig of smelter.
Compared with prior art, the beneficial effects of the utility model are:
1, metallurgical sectional rod joint of the present utility model, owing to using, there is drilling rod containing cavity, and the built-up joint offering two G type draw-in grooves in a symmetrical arrangement on the built-up joint wall body of drilling rod containing cavity periphery, there is the technical role that two sections of drilling rods are combined into the sectional rod meeting job requirements by simple clamping locking mode, thus effectively reduce drilling rod loss, reduce blast furnace open hole operating cost；Wherein, drilling rod containing cavity, spacing for the segment of drillpipe inserted carried out circumferential and axial, two G type draw-in grooves, for drilling rod to be connected imports built-up joint, and the drilling rod after importing is locked in tangible built-up joint.Use sectional rod joint of the present utility model, the drilling rod loss of tapping outlet drill rod, corresponding reduction blast furnace open hole operating cost can be greatly reduced.
Compared to existing tapping outlet drill rod, it is used only once, drilling rod entirety after using is scrapped, use the drilling rod that metallurgical sectional rod joint group of the present utility model picks up, only need damaged drill pipe section is replaced with new drill pipe section, just can form new sectional rod for blast furnace open hole operation, thus tapping outlet drill rod loss is greatly reduced, blast furnace open hole operating cost is greatly reduced.
Compared to using the threaded group of sectional rod picked up, during tapping outlet, enter helicitic texture if there is molten iron, it is possible to cause damaged inserted joint pipe section cannot take off from matrix drill pipe section, cause whole sectional rod to scrap；Use the drilling rod that metallurgical sectional rod joint group of the present utility model picks up, inject owing to built-up joint uses the drilling rod containing cavity periphery built-up joint wall body in interior recessed built-up joint to offer drilling rod and lock real two G type draw-in groove, non-contact area between drilling rod and built-up joint is bigger, even if there being molten iron to enter the drilling rod containing cavity of built-up joint, as long as many inserted joint pipes section increases fraction of unloading force, just inserted joint pipe section can be unloaded from built-up joint, do not interfere with new inserted joint pipe section to install simultaneously yet, thus improve the ruggedness of matrix drill pipe section, tapping outlet drill rod loss is greatly reduced, corresponding reduction blast furnace open hole operating cost.
2, metallurgical sectional rod joint of the present utility model, owing to using built-up joint by the second joint platform realizing drilling rod clamping combination, and peripheral dimension is constituted less than the first joint platform of the second joint platform peripheral dimension, thus chip removal difficulty when reducing loss of torque when drilling rod uses further and reduce rod boring, improve drilling efficiency and creep into quality；The circumferential limit chamber mutually sequentially connected and axial limiting chamber is sequentially offered in first joint platform along axis direction owing to using, during use, card access drilling rod is carried out circumferential spacing by circumference limit chamber, the drilling rod that card is accessed by axial limiting chamber carries out axial limiting, card is greatly reduced and accesses the activity space of drilling rod, thus improve tightness and the stability of built-up joint jointed rod further.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of metallurgical sectional rod joint of the present utility model.
Fig. 2 is the structural representation of metallurgical sectional rod joint of the present utility model.
Fig. 3 is the enforcement structural representation being applied to metallurgical sectional rod of metallurgical sectional rod joint of the present utility model.
Reference in Fig. 1 to Fig. 3 is expressed as: 1-the first joint platform, 2-the second joint platform, 3-G type draw-in groove, 4-drilling rod containing cavity, 5-circumference limit chamber, 6-axial limiting chamber, 7-the first drilling rod, 8-the second drilling rod, 9-nipple pin, 10-rig adapter sleeve, 11-drill bit.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, referring concurrently to shown in Fig. 3, metallurgical sectional rod joint of the present utility model, including round table-like built-up joint, built-up joint has the drilling rod containing cavity 4 being inwardly recessed in built-up joint along own axes side, and two G type draw-in grooves 3 being opened on the built-up joint wall body of drilling rod containing cavity 4 periphery in a symmetrical arrangement, G type draw-in groove 3 is connected with drilling rod containing cavity 4.
As shown in Figure 1 and Figure 2, referring concurrently to shown in Fig. 3, during enforcement, those skilled in the art, according to the specification of sectional rod needed for tapping outlet rig, determine the specification of built-up joint, wherein, the specification of built-up joint includes the specification of built-up joint Rotary-table, the specification of drilling rod containing cavity 4, the specification of G type draw-in groove 3.The making material of built-up joint is the making material of existing metallurgical tool joint, and the making material of built-up joint can also be same or like with the making material of drilling rod.
As shown in Figure 1 and Figure 2, during enforcement, use industry profile, such as alloy steel column, make round table-like built-up joint, use drilling tool to connect end from the first drilling rod 7 of built-up joint and offer column drilling rod containing cavity 4, use grooving tool to offer two G type draw-in grooves 3 being arranged symmetrically with on the built-up joint wall body of drilling rod containing cavity 4 periphery, thus make metallurgical sectional rod joint of the present utility model.
nullWhen this utility model comes into operation，Initially with metallurgical sectional rod joint of the present utility model，Make sectional rod，As shown in Figure 3，Drill rod assemblies used includes first drilling rod 7 with rig adapter sleeve 10 and has drill bit 11 and connect the second drilling rod 8 of end，Those skilled in the art，The drilling rod that sectional rod weld is connected to the first drilling rod 7 connects end，The drilling rod of the second drilling rod 8 is connected end and inserts the drilling rod containing cavity 4 of built-up joint，And guarantee that the nipple pin 9 of the second drilling rod 8 enters G type draw-in groove 3，Advance along two G type draw-in grooves 3 being arranged symmetrically on the built-up joint wall body of drilling rod containing cavity 4 periphery，Second drilling rod 8 is inserted after putting in place，Rotate the second drilling rod 8，The nipple pin 9 making the second drilling rod 8 enters go back to hook part of G type draw-in groove 3，Second drilling rod 8 is locked on tangible built-up joint，Thus make the sectional rod for tapping outlet.
Use above-mentioned when the sectional rod tapping outlet of tapping outlet, the drill bit 11 that first drill bit 11 is fixedly connected on the second drilling rod 8 connects end, by the rig adapter sleeve 10 of the first drilling rod 7, sectional rod is fixedly installed on tapping outlet rig again, thus completes sectional rod assembling；When using tapping outlet rig to open tapping hole, first turn on tapping outlet rig, then cooling blow device is opened, allow blowing medium, such as compressed air, nitrogen gas and water, enter creep into centre bore along the first drilling rod 7, built-up joint, the second drilling rod 8 body of heater outer portion, then from the front end blowout that furnace interior divides；Under the rotation continuously of tapping outlet rig axle, second drilling rod 8 continues to creep into tapping outlet, after ferrum mouth is opened, ferrum mouth is gushed out high temperature liquid iron, at this moment the motor reversal of taphole drilling machine is got out of the way, sectional rod is allowed to screw out from ferrum mouth, but gush out speed less than high temperature liquid iron owing to drilling rod screws out speed, high temperature liquid iron stretches into furnace interior branch with drill bit 11 and the second drilling rod 8 and directly contacts, cause the second drilling rod 8 furnace interior point scaling loss, continue to get out of the way the motor reversal of taphole drilling machine, until the residual fraction of the second drilling rod 8 screws out from ferrum mouth completely；Then from tapping outlet rig, unload sectional rod, the second damaged drilling rod 8 is applied unloading rotating torque, allow the nipple pin 9 of the second drilling rod 8 depart from time hook part snap close of G type draw-in groove 3, and along G type draw-in groove 3, the second damaged drilling rod 8 is unloaded；Then the second new drilling rod 8 being provided with drill bit 11 is inserted the drilling rod containing cavity 4 of the built-up joint of the first drilling rod 7, and advance along two G type draw-in grooves 3 being arranged symmetrically on the built-up joint wall body of drilling rod containing cavity 4 periphery, the nipple pin 9 making the second drilling rod 8 enters go back to hook part of G type draw-in groove 3, second drilling rod 8 is locked on tangible built-up joint, thus can use tapping outlet rig that new blast furnace carries out tapping outlet operation, or use tapping outlet rig that next stove molten iron is carried out tapping outlet operation.Usual first drilling rod 7 can use repeatedly, only when the built-up joint of the first drilling rod 7 effectively cannot fix the second drilling rod 8, is just changed.
Compared to existing tapping outlet drill rod, it is used only once, drilling rod entirety after using is scrapped, use the drilling rod that metallurgical sectional rod joint group of the present utility model picks up, only need damaged drill pipe section is replaced with new drill pipe section, just can form new sectional rod for blast furnace open hole operation, thus tapping outlet drill rod loss is greatly reduced, blast furnace open hole operating cost is greatly reduced.
Compared to using the threaded group of sectional rod picked up, during tapping outlet, enter helicitic texture if there is molten iron, it is possible to cause damaged inserted joint pipe section cannot take off from matrix drill pipe section, cause whole sectional rod to scrap；Use the drilling rod that metallurgical sectional rod joint group of the present utility model picks up, inject owing to built-up joint uses the drilling rod containing cavity 4 periphery built-up joint wall body in interior recessed built-up joint to offer drilling rod and lock real two G type draw-in groove 3, non-contact area between drilling rod and built-up joint is bigger, even if there being molten iron to enter the drilling rod containing cavity 4 of built-up joint, as long as many inserted joint pipes section increases fraction of unloading force, just inserted joint pipe section can be unloaded from built-up joint, do not interfere with new inserted joint pipe section to install simultaneously yet, thus improve the ruggedness of matrix drill pipe section, tapping outlet drill rod loss is greatly reduced, corresponding reduction blast furnace open hole operating cost.
Above-mentioned inserted joint pipe section is the second drilling rod 8 in Fig. 3, and matrix drill pipe section is the first drilling rod 7 in Fig. 3.
It is above basic embodiment of the present utility model.Can be seen that from above-mentioned implementation process, there is drilling rod containing cavity 4, and the built-up joint offering two G type draw-in grooves 3 in a symmetrical arrangement on the built-up joint wall body of drilling rod containing cavity 4 periphery, there is the technical role that two sections of drilling rods are combined into the sectional rod meeting job requirements by simple clamping locking mode, thus effectively reduce drilling rod loss, reduce blast furnace open hole operating cost；Wherein, drilling rod containing cavity 4, spacing for the segment of drillpipe inserted carried out circumferential and axial, two G type draw-in grooves 3, for drilling rod to be connected imports built-up joint, and the drilling rod after importing is locked in tangible built-up joint.Use sectional rod joint of the present utility model, the drilling rod loss of tapping outlet drill rod, corresponding reduction blast furnace open hole operating cost can be greatly reduced.
Built-up joint as the attachment structure between two jointed rods, make material certain in the case of, the size of built-up joint is the biggest, and when creeping into perforate, channel of chip removal is the narrowest, and it is the most difficult to creep into chip removal, and to rotate required torque the biggest for drilling rod sectional rod simultaneously.
In order to optimize the mechanical property being connected the sectional rod formed by built-up joint, reduce the chip removal difficulty using sectional rod, this utility model is further improved on the basis of basic embodiment, such as Fig. 1, shown in Fig. 2, referring concurrently to shown in Fig. 3, first preferred implementation of the present utility model is, built-up joint includes the second joint platform 2 with two G type draw-in grooves 3, the the first joint platform 1 connected is fixed with along the second joint platform 2 axis direction and the second joint platform 2, the peripheral dimension of the first joint platform 1 is less than the second joint platform 2 peripheral dimension, drilling rod containing cavity 4 extends to the first joint platform 1 from the second joint platform 2.
Built-up joint is by the second joint platform 2 realizing drilling rod clamping combination, and peripheral dimension is constituted less than the first joint platform 1 of the second joint platform 2 peripheral dimension, the built-up joint of this structure both can guarantee that and had been fastenedly connected quality by the second joint platform 2 clamping jointed rod, the annular space space shared by built-up joint can be reduced on the whole again by the peripheral dimension reducing the first joint platform 1, thus chip removal difficulty when reducing loss of torque when drilling rod uses further and reduce rod boring, improve drilling efficiency and creep into quality.Drilling rod containing cavity 4 extends to the first joint platform 1 from the second joint platform 2, and the drilling rod so stretching into drilling rod containing cavity 4 by the bed knife of more axial and circumferential, thus can improve tightness and the stability being combined through joint clamping jointed rod further.
In order to improve tightness and the stability of built-up joint jointed rod, this utility model is further improved on the basis of the first preferred implementation, as shown in Figure 2, second preferred implementation of the present utility model is, the circumferential limit chamber 5 being connected with drilling rod containing cavity 4 it is further opened with in first joint platform 1, and with the axial limiting chamber 6 that is connected of circumference limit chamber 5, drilling rod containing cavity 4, circumference limit chamber 5, the dead in line in axial limiting chamber 6.
Sequentially offer the circumferential limit chamber 5 mutually sequentially connected and axial limiting chamber 6 along axis direction in first joint platform 1, during use, card access drilling rod is carried out circumferential spacing by circumference limit chamber 5, the drilling rod that card is accessed by axial limiting chamber 6 carries out axial limiting, card is greatly reduced and accesses the activity space of drilling rod, thus improve tightness and the stability of built-up joint jointed rod further.
It is above the implementation process of metallurgical sectional rod joint of the present utility model.From above-mentioned implementation process it can be seen that metallurgical sectional rod joint of the present utility model can realize metallurgical drilling rod does not has being used repeatedly of scaling loss section, thus tapping outlet drill rod loss is greatly reduced, blast furnace open hole operating cost is greatly reduced.
Claims (3)
1. metallurgical sectional rod joint, it is characterised in that include that round table-like built-up joint, described built-up joint have along self axle
The drilling rod containing cavity (4) that line side is inwardly recessed in built-up joint, and in a symmetrical arrangement be opened in drilling rod containing cavity (4) periphery combination connect
Two G type draw-in groove (3) on head wall body, described G type draw-in groove (3) is connected with drilling rod containing cavity (4).
Metallurgical sectional rod joint the most according to claim 1, it is characterised in that described built-up joint includes having two
The second joint platform (2) of G type draw-in groove (3), and along the fixing connection of the second joint platform (2) axis direction and the second joint platform (2)
First joint platform (1), the peripheral dimension of described first joint platform (1) is less than the second joint platform (2) peripheral dimension, and described drilling rod holds
Put chamber (4) to extend to the first joint platform (1) from the second joint platform (2).
Metallurgical sectional rod joint the most according to claim 2, it is characterised in that also open in described first joint platform (1)
It is provided with the circumferential limit chamber (5) being connected with drilling rod containing cavity (4), and the axial limiting chamber being connected with circumference limit chamber (5)
(6), described drilling rod containing cavity (4), circumference limit chamber (5), the dead in line of axial limiting chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058642.1U CN205473855U (en) | 2016-01-21 | 2016-01-21 | Metallurgical combination tool joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058642.1U CN205473855U (en) | 2016-01-21 | 2016-01-21 | Metallurgical combination tool joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205473855U true CN205473855U (en) | 2016-08-17 |
Family
ID=56638242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620058642.1U Expired - Fee Related CN205473855U (en) | 2016-01-21 | 2016-01-21 | Metallurgical combination tool joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205473855U (en) |
-
2016
- 2016-01-21 CN CN201620058642.1U patent/CN205473855U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20220121 |