CN213932064U - Hydraulic propulsion device for vanadium-nitrogen alloy sintering kiln - Google Patents
Hydraulic propulsion device for vanadium-nitrogen alloy sintering kiln Download PDFInfo
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- CN213932064U CN213932064U CN202023305661.5U CN202023305661U CN213932064U CN 213932064 U CN213932064 U CN 213932064U CN 202023305661 U CN202023305661 U CN 202023305661U CN 213932064 U CN213932064 U CN 213932064U
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Abstract
The utility model provides a vanadium nitrogen alloy is hydraulic pressure advancing device for sintering kiln, including hydraulic pump and propulsion axle, the hydraulic pump includes the pump body and can follows the axial motion's of the pump body main shaft, and the tip of main shaft is coaxial to be equipped with first flange, and the tip of propulsion axle is coaxial to be equipped with second flange, and first flange's structure and second flange's structure phase-match, first flange pass through the fastener with second flange and are connected, with main shaft and propulsion axle detachably coaxial coupling. The hydraulic pump and the propelling shaft adopt a split structure, and are detachably and coaxially connected through the first connecting flange and the second connecting flange, so that the disassembly and the assembly are convenient, and the working efficiency can be improved; the smooth transition of the joint of the main shaft of the hydraulic pump and the first connecting flange and the smooth transition of the joint of the propulsion shaft and the second connecting flange can avoid stress concentration caused by vertical transition, improve structural strength and prolong service life.
Description
Technical Field
The utility model relates to a metal material sintering kiln propulsion unit field especially relates to a vanadium nitrogen alloy hydraulic pressure advancing device for sintering kiln.
Background
The vanadium-nitrogen alloy is a novel alloy additive, and can replace ferrovanadium to be used for producing microalloyed steel. The vanadium nitride added into the steel can improve the comprehensive mechanical properties of the steel, such as strength, toughness, ductility, thermal fatigue resistance and the like, and enables the steel to have good weldability. Under the condition of achieving the same strength, the vanadium nitride is added, so that the adding amount of vanadium is saved by 30-40%, and the cost is further reduced. The vanadium-nitrogen alloy can be applied to the preparation of products such as high-strength welding steel bars, structural steel strips, section steel, non-quenched and tempered steel, hot rolled plates, high-speed tool steel and the like, is commonly used by steel mills at home and abroad, and the production process and production equipment thereof are rapidly developed.
The vanadium-nitrogen alloy is a blank made of vanadium pentoxide, carbon powder, an active agent and the like, and is reacted at a high temperature of 1500-1800 ℃ under the protection of normal pressure and nitrogen atmosphere to generate the vanadium-nitrogen alloy. The key process equipment is a continuous atmosphere push plate high-temperature furnace, and electric heating elements such as silicon-molybdenum rods and the like are adopted to obtain heat sources. In the process, after the vanadium-nitrogen alloy is produced into vanadium-nitrogen alloy green balls by a high-pressure ball making machine, the vanadium-nitrogen alloy green balls need to be arranged in a high-temperature-resistant crucible and then pushed into a tunnel type sintering kiln by a pushing mechanism for sintering for a long time.
The hydraulic propulsion mechanism applied to high-temperature kiln equipment at present generally comprises a hydraulic pump and a propulsion shaft, wherein the hydraulic pump is driven by an engine or a motor, then power is transmitted to the propulsion shaft, and a vanadium-nitrogen alloy green body is pushed into the kiln by the propulsion shaft. The propeller shaft needs to work in a high-temperature environment, and regular maintenance and repair are needed. However, the existing hydraulic pump and the propulsion shaft are of an integral structure, and the hydraulic propulsion device needs to be integrally detached when being maintained and repaired every time, so that the operation is relatively complex, and the working efficiency is low.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art, and providing a hydraulic propulsion device for a modified vanadium-nitrogen alloy sintering kiln, which adopts a split structure and is convenient to disassemble, maintain and repair.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a vanadium nitrogen alloy is hydraulic pressure advancing device for sintering kiln, includes hydraulic pump and propulsion axle, the hydraulic pump includes the pump body and can follows the axial motion's of the pump body main shaft, the coaxial first flange that is equipped with of tip of main shaft, the coaxial second flange that is equipped with of tip of propulsion axle, first flange's structure with the structure phase-match of second flange, first flange with the second flange passes through the fastener and connects, will the main shaft with propulsion axle detachably connects.
Preferably, the central axis of the main shaft coincides with the central axis of the propulsion shaft.
Preferably, the fastener is a screw and nut.
Preferably, a plurality of first mounting holes are formed in the first connecting flange, the first mounting holes are uniformly distributed at intervals along the circumferential direction of the first connecting flange, and a central axis of each first mounting hole is parallel to a central axis of the main shaft.
Preferably, a plurality of second mounting holes are formed in the second connecting flange, the plurality of second mounting holes are uniformly distributed at intervals along the circumferential direction of the second connecting flange, and the central axis of each second mounting hole is parallel to the central axis of the propulsion shaft.
Preferably, the number of the first mounting holes is at least three, and the number of the second mounting holes is the same as the number of the first mounting holes.
Preferably, the outer diameter of the first connecting flange is the same as the outer diameter of the second connecting flange.
Preferably, the first connecting flange has an outer diameter larger than that of the main shaft, and the second connecting flange has an outer diameter larger than that of the propeller shaft.
Preferably, the connection position of the first connecting flange and the main shaft is in smooth transition.
Preferably, the connection between the second connecting flange and the propulsion shaft is smoothly transited.
Compared with the prior art, the beneficial effects of the utility model are that: in the hydraulic propelling device for the vanadium-nitrogen alloy sintering kiln, the hydraulic pump and the propelling shaft adopt a split structure, and are detachably and coaxially connected through the first connecting flange and the second connecting flange, so that the hydraulic propelling device is convenient to disassemble and assemble, is applied to the vanadium-nitrogen alloy sintering kiln, and is convenient for periodic maintenance; the smooth transition of the joint of the main shaft of the hydraulic pump and the first connecting flange and the smooth transition of the joint of the propulsion shaft and the second connecting flange can avoid stress concentration caused by vertical transition, improve structural strength and prolong service life.
Drawings
FIG. 1 is a perspective view of a hydraulic propulsion device for a vanadium-nitrogen alloy sintering furnace of the present invention;
fig. 2 is the utility model discloses a vanadium nitrogen alloy hydraulic pressure advancing device for sintering kiln's decomposition structure schematic diagram.
In the figure, 100-hydraulic propelling device, 10-hydraulic pump, 11-pump body, 12-main shaft, 20-propelling shaft, 30-first connecting flange, 31-first mounting hole, 40-second connecting flange, 41-second mounting hole, 50-fastening piece, 51-screw and 52-nut.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a perspective view of a hydraulic propulsion device for a vanadium-nitrogen alloy sintering furnace according to the present invention; fig. 2 is the utility model discloses a vanadium nitrogen alloy hydraulic pressure advancing device for sintering kiln's decomposition structure schematic diagram. The utility model discloses a vanadium nitrogen alloy is hydraulic pressure advancing device 100 for sintering kiln, including hydraulic pump 10 and propulsion shaft 20, hydraulic pump 10 includes the pump body 11 and can follow the main shaft 12 of the axial motion of the pump body 11, and the tip of main shaft 12 is coaxial to be equipped with first flange 30, and the tip of propulsion shaft 20 is coaxial to be equipped with second flange 40, and the structure of first flange 30 and second flange 40's structure phase-match, first flange 30 passes through fastener 50 with second flange 40 and is connected, is connected main shaft 12 with propulsion shaft 20 detachably. Wherein the central axis of the main shaft 12 coincides with the central axis of the propulsion shaft 20.
The hydraulic pump 10 is used as a power element of the hydraulic propulsion device and is driven by an engine or a motor, when the hydraulic pump 10 works, the main shaft 12 can move repeatedly along the axial direction of the pump body 11 to drive the propulsion shaft 20 to move along the axial direction, and the function of pushing the vanadium-nitrogen alloy green body into the sintering kiln is realized. The propulsion shaft 20 and the main shaft 12 are of a split structure, and are detachably and coaxially connected through the first connecting flange 30 and the second connecting flange 40, so that the propulsion shaft and the main shaft are convenient to detach during maintenance and repair.
In actual manufacturing, according to production requirements, the hydraulic pump 10 may adopt a common hydraulic pump product on the market, and the requirements of power, installation space, efficiency and the like are met.
The first connecting flange 30 is provided with a plurality of first mounting holes 31, the plurality of first mounting holes 31 are uniformly distributed at intervals along the circumferential direction of the first connecting flange 30, and the central axis of each first mounting hole 31 is parallel to the central axis of the main shaft 12; the second connecting flange 40 is provided with a plurality of second mounting holes 41, the plurality of second mounting holes 41 are uniformly arranged along the circumferential direction of the second connecting flange 40 at intervals, and the central axis of each second mounting hole 41 is parallel to the central axis of the propeller shaft 20. Preferably, the number of the first mounting holes 31 is at least three, and the number of the second mounting holes 41 is the same as the number of the first mounting holes 31. Referring to fig. 2, in an embodiment, the number of the first mounting holes 31 is four, and four first mounting holes 31 are uniformly arranged at intervals along the circumferential direction of the first connecting flange 30; the number of the second mounting holes 41 is four, and the four second mounting holes 41 are uniformly arranged along the circumferential direction of the second connecting flange 40 at intervals; the fastening member 50 is a screw 51 and a nut 52, the screw 51 passes through the corresponding first mounting hole 31 and the second mounting hole 41, the nut 52 is in threaded connection with the screw 51, and the first connecting flange 30 and the second connecting flange 40 are clamped and fixed, so that the main shaft 12 and the propeller shaft 20 are detachably and coaxially connected.
Preferably, the outer diameter of the first connecting flange 30 is the same as the outer diameter of the second connecting flange 40, the outer diameter of the first connecting flange 30 is larger than the outer diameter of the main shaft 12, and the outer diameter of the second connecting flange 40 is larger than the outer diameter of the propeller shaft 20, so that the processing and the installation are convenient.
In an embodiment, the main shaft 12 and the first connecting flange 30 are an integral structure, and the connecting portion of the first connecting flange 30 and the main shaft 12 is in smooth transition, so that stress concentration caused by vertical transition can be avoided, the structural strength of the main shaft 12 is improved, and the service life of the main shaft is prolonged. The propulsion shaft 20 and the second connecting flange 40 are of an integral structure, and the connection between the second connecting flange 40 and the propulsion shaft 20 is in smooth transition, so that stress concentration caused by vertical transition can be avoided, the structural strength of the propulsion shaft 20 is improved, and the service life of the propulsion shaft is prolonged.
The main shaft 12, the first connecting flange 30, the propulsion shaft 20 and the second connecting flange 40 are made of high-temperature-resistant alloy steel and are applied to
In the hydraulic propelling device for the vanadium-nitrogen alloy sintering kiln, the hydraulic pump and the propelling shaft adopt a split structure, and are detachably and coaxially connected through the first connecting flange and the second connecting flange, so that the hydraulic propelling device is convenient to disassemble and assemble, is applied to a propelling mechanism of the vanadium-nitrogen alloy sintering kiln, and is convenient to maintain after being disassembled; the smooth transition of the joint of the main shaft of the hydraulic pump and the first connecting flange and the smooth transition of the joint of the propulsion shaft and the second connecting flange can avoid stress concentration caused by vertical transition, improve structural strength and prolong service life.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a vanadium nitrogen alloy hydraulic pressure advancing device for sintering kiln which characterized in that: including hydraulic pump and propulsion axle, the hydraulic pump includes the pump body and can follows the axial motion's of the pump body main shaft, the coaxial first flange that is equipped with of tip of main shaft, the coaxial second flange that is equipped with of tip of propulsion axle, first flange's structure with the structure phase-match of second flange, first flange with second flange passes through the fastener and connects, will the main shaft with propulsion axle detachably connects.
2. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 1, wherein: the central axis of the main shaft is coincident with the central axis of the propulsion shaft.
3. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 1, wherein: the fastener is a screw and a nut.
4. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 1, wherein: the first connecting flange is provided with a plurality of first mounting holes, the first mounting holes are uniformly distributed along the circumferential direction of the first connecting flange at intervals, and the central axis of each first mounting hole is parallel to the central axis of the main shaft.
5. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 4, wherein: the second connecting flange is provided with a plurality of second mounting holes, the second mounting holes are uniformly distributed along the circumferential direction of the second connecting flange at intervals, and the central axis of each second mounting hole is parallel to the central axis of the propulsion shaft.
6. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 5, wherein: the number of the first mounting holes is at least three, and the number of the second mounting holes is the same as that of the first mounting holes.
7. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 1, wherein: the outer diameter of the first connecting flange is the same as the outer diameter of the second connecting flange.
8. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 7, wherein: the outer diameter of the first connecting flange is larger than that of the main shaft, and the outer diameter of the second connecting flange is larger than that of the propulsion shaft.
9. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 1, wherein: and the joint of the first connecting flange and the main shaft is in smooth transition.
10. The hydraulic propulsion device for the vanadium-nitrogen alloy sintering kiln as recited in claim 9, wherein: and the connection part of the second connecting flange and the propulsion shaft is in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305661.5U CN213932064U (en) | 2020-12-31 | 2020-12-31 | Hydraulic propulsion device for vanadium-nitrogen alloy sintering kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305661.5U CN213932064U (en) | 2020-12-31 | 2020-12-31 | Hydraulic propulsion device for vanadium-nitrogen alloy sintering kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932064U true CN213932064U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023305661.5U Active CN213932064U (en) | 2020-12-31 | 2020-12-31 | Hydraulic propulsion device for vanadium-nitrogen alloy sintering kiln |
Country Status (1)
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|---|---|
| CN (1) | CN213932064U (en) |
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- 2020-12-31 CN CN202023305661.5U patent/CN213932064U/en active Active
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