CN212335221U - Measuring device - Google Patents
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- CN212335221U CN212335221U CN202022150869.8U CN202022150869U CN212335221U CN 212335221 U CN212335221 U CN 212335221U CN 202022150869 U CN202022150869 U CN 202022150869U CN 212335221 U CN212335221 U CN 212335221U
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Abstract
The utility model belongs to the technical field of the blast furnace is measured, in particular to measuring device. Wherein, the device includes support frame, angle measurement subassembly, first laser range finder, second laser range finder and third laser range finder, through rotatable set up in first laser range finder on the support frame carries out the device location, can measure the length behind wind gap and the belly pipe axial deformation through the third laser range finder, the second laser range finder can measure the length of enclosing pipe short circuit, last bellows and bellows down, with the belly pipe, wind gap, the enclosing pipe short circuit that utilize this device measuring, go up the bellows and the length of bellows down as the purchase size, can make the connection of wind gap and belly pipe inseparabler, can not take place the problem of leaking out, make the blast furnace can be in order steady operation. And the device has simple structure, can be applied to the fields of civil use, commercial use and the like, has wide range and is easy to popularize.
Description
Technical Field
The utility model belongs to the technical field of the blast furnace is measured, in particular to measuring device.
Background
The blast furnace production smelting equipment comprises permanent equipment and spare equipment, wherein the permanent equipment comprises a blast furnace surrounding pipe, a furnace platform, a tuyere platform and the like, and the spare equipment is also a common periodic spare, such as a blast furnace air supply pipeline. Wherein blast furnace supply air duct includes bellows, belly pipe, wind gap and the bustle pipe nipple of being connected with blast furnace bustle pipe, wherein the bustle pipe nipple, bellows and the coaxial consecutive connection of bellows down, the bellows is through being connected with the belly pipe down, and bellows axial has an contained angle with the belly pipe axial down, and the sphere zonulae occludens in the stainless steel head and wind gap at the belly pipe front end, blast furnace is hot-blast (hot-blast operating temperature 1600 ℃) to send hot-blast to the stove through above-mentioned supply air duct from the blast furnace bustle pipe, accomplishes the smelting work of blast furnace.
Because the blast furnace surrounding pipe and the blast furnace air supply pipeline work for a long time in the smelting hot state of the blast furnace to cause accumulated deformation of heat and cold (blowing out and damping down), the blast furnace surrounding pipe and the blast furnace air supply pipeline are deformed, when the blast furnace air supply pipeline is replaced, because the blast furnace bustle pipe, the belly pipe and the tuyere all generate axial deformation, the sizes of spare parts purchased by mounting standard sizes (design sizes) are not matched with those of deformed permanent equipment, after the spare parts are actually mounted, when the blast furnace is produced, air leaks from the contact part of the installation bulb surface (R150) of the belly pipe and the concave surface of the tuyere, the blast furnace can be immediately stopped to be blown down, and then is replaced for the second time, sometimes, the production cannot be stopped for maintenance and replacement due to the shortage of production, only compressed air or water can be used for forcibly cooling the part which is red and leaked, the blast furnace can be blown down again after being "straight" for 10 days or 1 month, and then is replaced.
The method is not environment-friendly, wastes energy, and the blast furnace smelting is influenced due to insufficient hot air supply. Therefore, non-standard procurement of spare parts of the belly pipe and the tuyere needs to be carried out according to the deformed sizes of the blast furnace bustle pipe, the belly pipe and the tuyere, and accurate measurement is difficult to realize due to the fact that the blast furnace air supply pipeline is arranged at high altitude and has an included angle.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model provides a measuring device to obtain the size in belly pipe and wind gap after warping.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a measuring device, which comprises a supporting frame, an angle measuring component, a first laser range finder, a second laser range finder and a third laser range finder,
the angle measuring component comprises a first measuring rod and a second measuring rod, one end of the first measuring rod is rotatably connected with one end of the second measuring rod, and the first measuring rod is rotatably arranged on the supporting frame;
the first laser range finder is fixedly arranged on the first measuring rod, and a laser beam emitted by the first laser range finder is perpendicular to the planes of the first measuring rod and the second measuring rod;
the third laser range finder is arranged on the first measuring rod, a laser beam emitted by the third laser range finder is parallel to the first measuring rod, and the laser beam emitted by the third laser range finder and the second measuring rod are in the same plane;
the second laser range finder is movably and fixedly arranged on the second measuring rod, and a laser beam emitted by the second laser range finder is parallel to the plane where the first measuring rod and the second measuring rod are located.
Further, the support frame includes the tripod, be provided with the lift pull rod that can follow vertical lift on the tripod, the fixed rotatable roof that is provided with in top of lift pull rod, the middle part of first measuring stick is fixed set up in on the roof.
Further, the top of the lifting pull rod is connected with the top plate through a universal joint.
Further, the device further comprises a fourth laser range finder, wherein the fourth laser range finder is fixedly arranged on the first measuring rod, and a laser beam emitted by the fourth laser range finder is downward and vertical.
Further, the device comprises a fifth laser range finder, the fifth laser range finder is fixedly arranged on the first measuring rod, and a laser beam emitted by the fifth laser range finder is vertically upward.
Further, the device also comprises a laser horizontal ruler, and the laser horizontal ruler is arranged on the first measuring rod.
Further, the measuring device is used for measuring the length of a blast furnace air supply pipeline, the blast furnace air supply pipeline comprises a first air supply pipeline and a second air supply pipeline, and the measuring device comprises:
the second air supply pipeline comprises a belly pipe, an air port and two sets of pipes, wherein the belly pipe and the air port are respectively provided with a first end and a second end, the first end of the belly pipe is closed, one end of the first air supply pipeline is communicated with the pipe body of the belly pipe, the second end of the belly pipe fixedly penetrates through the first ends of the two sets of pipes, the second ends of the two sets of pipes are connected to the blast furnace body, the second end of the belly pipe is communicated with the first end of the air port, the second end of the air port is communicated with the blast furnace body, and an included angle is formed between the axial direction of the belly pipe and the axial direction of the first air supply;
the other end of the first air supply pipeline is communicated with the blast furnace surrounding pipe.
Further, the first air supply pipeline comprises a surrounding pipe short circuit, an upper corrugated pipe and a lower corrugated pipe, one end of the surrounding pipe short circuit is communicated with the surrounding pipe of the blast furnace, the other end of the surrounding pipe short circuit is communicated with one end of the upper corrugated pipe, the other end of the upper corrugated pipe is communicated with one end of the lower corrugated pipe, and the other end of the lower corrugated pipe is communicated with the pipe body of the belly pipe.
The beneficial effects of the utility model include at least:
the utility model provides a measuring device, the device includes support frame, angle measurement subassembly, first laser range finder, second laser range finder and third laser range finder, when measuring, open first laser range finder and third laser range finder at first, adjust the spatial position of support frame simultaneously, make the laser beam that first laser range finder launched beat on the intersection point of first supply air duct axis and blowpipe axis, and the laser beam that first laser range finder launched is perpendicular with the blowpipe axis, and the light beam that first laser range finder launched is in the coplanar with the blowpipe axis, the laser beam that third laser range finder launched is parallel with the blowpipe axis simultaneously; laser beams of a third laser range finder are applied to the first ends of the two sets of the first ends to obtain measurement abscissas of the first ends of the two sets of the first ends; and substituting the measured abscissas of the two sets of first ends into a formula for calculation to obtain the length of the belly pipe and the length of the tuyere. The calculated length of the belly pipe and the calculated length of the tuyere are the size of the belly pipe and the tuyere after the blast furnace surrounding pipe deforms, and spare parts are purchased according to the size, so that the installation accuracy of the belly pipe and the tuyere can be guaranteed, the air supply pipeline is sealed, and the blast furnace can be smoothly and stably operated. And the device has simple structure, can be applied to the fields of civil use, commercial use and the like, has wide range and is easy to popularize.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a measuring device provided by the present invention;
FIG. 2 is a schematic view of the blast furnace supply air duct structure;
in FIGS. 1-2: 1-a second measuring rod, 2-a second laser range finder, 3-a first laser range finder, 4-a fifth laser range finder, 5-a third laser range finder, 6-a fourth laser range finder, 7-a first measuring rod, 8-a support frame, 9-a blast furnace bustle pipe, 10-a bustle pipe short joint, 11-an upper corrugated pipe, 12-a lower corrugated pipe, 13-a bent pipe, 14-a belly pipe and 15-two sets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a measuring device, the device can be used to measure the length of blast furnace supply air duct, and figure 1 is the utility model discloses a measuring device's schematic structure drawing combines figure 1, and the device includes support frame 8, angle measurement subassembly, first laser range finder 3, second laser range finder 2 and third laser range finder 5 appearance.
The angle measuring component comprises a first measuring rod 7 and a second measuring rod 1, one end of the first measuring rod 7 is rotatably connected with one end of the second measuring rod 1, and the first measuring rod 7 is rotatably arranged on a support frame 8;
the first laser range finder 3 is fixedly arranged on the first measuring rod 7, and a laser beam emitted by the first laser range finder 3 is vertical to the plane where the first measuring rod 7 and the second measuring rod 1 are located;
the third laser range finder 5 is arranged on the first measuring rod 7, a laser beam emitted by the third laser range finder 5 is parallel to the first measuring rod 7, and the laser beam emitted by the third laser range finder 5 and the second measuring rod 1 are in the same plane;
the second laser range finder 2 is movably and fixedly arranged on the second measuring rod 1, and a laser beam emitted by the second laser range finder 2 is parallel to the plane where the first measuring rod 7 and the second measuring rod 1 are located.
With reference to fig. 1, the supporting frame 8 may include a tripod, a lifting rod capable of vertically lifting is provided on the tripod, a rotatable top plate is provided at the top of the lifting rod, and the middle portion of the first measuring rod 7 is fixedly provided on the top plate. Wherein, lifting rod and roof can be connected through the universal joint to realize first measuring stick 7 in the change of space gesture, can realize the change of first laser range finder 3, second laser range finder 2 and 5 spatial position of third laser range finder like this, with the device that detects that adapts to the difference. All can realize that the mode of being connected of rotation between lift pull rod and the roof all can be used in the utility model discloses, do not specifically limit here.
One end of the first measuring rod 7 and one end of the second measuring rod 1 can be rotatably connected through a pin shaft connection, as follows: the one end of first measuring stick 7 has two first connecting plates of relative setting, and the one end of second measuring stick 1 is provided with the second connecting plate, and the second connecting plate is inserted and is established in two first connecting plates, and second connecting plate and two first connecting plates all are provided with coaxial connecting hole, are provided with the round pin axle in the connecting hole, wherein fixed connection between the connecting hole on round pin axle and the second connecting plate, second two first connecting plates and round pin axle rotatable coupling. In order to fix the included angle between the first measuring rod 7 and the second measuring rod 1 at a certain angle, screws can be arranged on the end surfaces of the two first connecting plates to lock the pin shafts.
Further, with reference to fig. 1, the device further includes a fourth laser range finder 6, the fourth laser range finder 6 is fixedly disposed on the first measuring rod 7, and a laser beam emitted by the fourth laser range finder 6 is vertically downward. The fourth laser distance meter 6 is arranged to obtain the vertical position of the device provided by the invention during measurement.
Further, with reference to fig. 1, the device includes a fifth laser distance meter 4, the fifth laser distance meter 4 is fixedly disposed on the first measuring rod 7, and a laser beam emitted by the fifth laser distance meter 4 is vertically upward. The fifth laser rangefinder 4 is arranged to obtain the correlation line.
If the first measuring rod of the device is to be adjusted to be horizontal, the device may further comprise a laser level, which is arranged on the first measuring rod 7.
The measuring device can be used for measuring the length of the blast furnace air supply pipeline, and particularly, in combination with fig. 2, the blast furnace air supply pipeline of the embodiment of the invention can comprise a first air supply pipeline and a second air supply pipeline, the second air supply pipeline comprises a belly pipe 14, an air port and two sets of 15, the belly pipe 14 is provided with a first end and a second end, the first end of the belly pipe 14 is sealed, one end of the first air supply pipeline is communicated with the pipe body of the belly pipe 14, the second end of the belly pipe 14 is fixedly passed through the first end of the two sets of 15, the second end of the two sets of 15 is connected to the blast furnace body, the second end of the belly pipe 14 is communicated with the first end of the air port, the second end of the air port is communicated with the blast furnace body, and the axial direction of the belly; the other end of the first air supply pipeline is communicated with a blast furnace surrounding pipe 9.
Specifically, the first air supply pipeline can further comprise a surrounding pipe short joint 10, an upper corrugated pipe 11 and a lower corrugated pipe 12, one end of the surrounding pipe short joint 10 is communicated with the surrounding pipe 9 of the blast furnace, the other end of the surrounding pipe short joint 10 is communicated with one end of the upper corrugated pipe 11, the other end of the upper corrugated pipe 11 is communicated with one end of the lower corrugated pipe 12, the other end of the lower corrugated pipe 12 is communicated with the pipe body of the belly pipe 14,
the first supply duct may also comprise a bent pipe, one end of which communicates with the other end of the lower bellows 12, and the other end of which communicates with the body of the belly pipe 14.
The blast furnace air supply pipeline measurement by using the measuring device provided by the utility model can be carried out according to the following method which specifically comprises the following steps,
s1, opening the first laser range finder 3 and the third laser range finder 5, and adjusting the spatial position of the support frame 8 at the same time to enable the laser beam emitted by the first laser range finder 3 to strike on the intersection point of the axis of the first air supply pipeline and the axis of the belly pipe 14, wherein the laser beam emitted by the first laser range finder 3 is perpendicular to the axis of the belly pipe 14, the light beam emitted by the first laser range finder 3 and the axis of the belly pipe 14 are in the same plane, and the laser beam emitted by the third laser range finder 5 is parallel to the axis of the belly pipe 14;
s2, the laser beam of the third laser range finder 5 is applied to the first end of the second set 15 to obtain the measuring abscissa of the first end of the second set 15;
the origin can be set according to actual needs, for example, the laser beam emitting point of the first laser distance measuring instrument 3 is used as the origin, the axial direction of the blowpipe is used as the positive direction of the X axis towards one end of the blast furnace body, the vertical upward direction is used as the positive direction of the Z axis, the direction perpendicular to the X axis and the Z axis is used as the Y axis, and the coordinates of the second end of the blowpipe cannot be directly known due to the fact that the two sets of sleeves are sleeved outside the blowpipe. So that the horizontal beam emitted by the third laser range finder 5 is irradiated on the first ends of the two sets to obtain the distance a1 between the emitting end of the third laser range finder 5 and the first ends of the two sets, and then the ruler is used for measuring the distance a between the emitting end of the third laser range finder 5 and the origin2Adding a1 to a2 to obtain the measured abscissa X of the first end of the two sets 151。
S3, substituting the measured abscissa of the first end of the two sets 15 into the formula 1) and the formula 2), and obtaining the length of the belly pipe 14 and the length of the tuyere;
the formula is as follows:
wherein the content of the first and second substances,
X1is the measured abscissa of the first end of the two sets,
X2is the design abscissa of the first end of the two sets,
X3is the difference between the design abscissa of the first end of the second set and the design abscissa of the second end of the belly pipe,
X4is the measured abscissa of the first end of the belly pipe,
X5is the abscissa of the junction of the tuyere axis and the blast furnace body.
S4, opening the second laser range finder 2, and adjusting the included angle between the second measuring rod 1 and the first measuring rod 7 at the same time to enable the laser beam emitted by the second laser range finder 2 to be parallel to the axis of the encircling pipe short-circuit 10;
and (3) laser beams of the second laser range finder 2 are irradiated on the other end of the first air supply pipeline to obtain the length of the first air supply pipeline. In actual operation, the laser beam of the second laser distance meter 2 is applied to the other end of the first air supply pipeline, so that the distance from the second laser distance meter 2 to the other end of the first air supply pipeline can be obtained, and then the distance and the distance between the second laser distance meter 2 and the origin are added to obtain the length of the first air supply pipeline.
S5, the laser beam of the second laser range finder 2 is shot at the other end of the encircling pipe short circuit 10 to obtain the length of the encircling pipe short circuit 10; respectively striking a laser beam of the second laser range finder 2 on one end and the other end of the upper corrugated pipe 11 to obtain the length of the upper corrugated pipe 11; the laser beam of the second laser range finder 2 is respectively applied to one end and the other end of the lower corrugated tube 12 to obtain the length of the lower corrugated tube 12.
It should be noted that the axial length of the two sets is relatively short compared to the length of the belly pipe and the tuyere, and it is assumed in the present invention that the two sets do not change in the axial direction. X5Is the abscissa of the junction of the tuyere axis and the blast furnace body, which can be obtained in the following manner: during the construction of the blast furnace, the space coordinate of the joint of the tuyere axis and the blast furnace body is determined, and the X is obtained by converting the known space coordinate and the coordinate system established by the measurement5. In the present invention, only the axial deformation of the belly pipe, the tuyere, and the first air blowing passage is considered, and the radial variation is not considered.
The utility model provides a measuring device adopts the measuring that this measuring device can be accurate measure take place axial deformation and have the length of the wind gap in the blast furnace supply air duct of certain contained angle and belly pipe to when wind gap and belly pipe purchase, adopt this measurement size as the acquisition and purchase size, can make the connection of wind gap and belly pipe inseparabler, can not take place the problem of leaking out, make the blast furnace can be in the same direction as steady operation. And the device has simple structure, can be applied to the fields of civil use, commercial use and the like, has wide range and is easy to popularize.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and it will be understood by those skilled in the art that the technical features of the present invention can be changed or modified by the equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. A measuring device is characterized by comprising a support frame, an angle measuring component, a first laser range finder, a second laser range finder and a third laser range finder,
the angle measuring component comprises a first measuring rod and a second measuring rod, one end of the first measuring rod is rotatably connected with one end of the second measuring rod, and the first measuring rod is rotatably arranged on the supporting frame;
the first laser range finder is fixedly arranged on the first measuring rod, and a laser beam emitted by the first laser range finder is perpendicular to the planes of the first measuring rod and the second measuring rod;
the third laser range finder is arranged on the first measuring rod, a laser beam emitted by the third laser range finder is parallel to the first measuring rod, and the laser beam emitted by the third laser range finder and the second measuring rod are in the same plane;
the second laser range finder is movably and fixedly arranged on the second measuring rod, and a laser beam emitted by the second laser range finder is parallel to the plane where the first measuring rod and the second measuring rod are located.
2. The measuring device as claimed in claim 1, wherein the support frame comprises a tripod, a lifting rod capable of vertically lifting is arranged on the tripod, a rotatable top plate is fixedly arranged at the top of the lifting rod, and the middle part of the first measuring rod is fixedly arranged on the top plate.
3. A measuring device as claimed in claim 2, wherein the top of the lifting rod is connected to the top plate by a universal joint.
4. A measuring device according to claim 1, further comprising a fourth laser distance meter, wherein the fourth laser distance meter is fixedly arranged on the first measuring rod, and a laser beam emitted by the fourth laser distance meter is directed vertically downward.
5. A measuring device according to claim 1, characterized in that said device comprises a fifth laser distance meter, said fifth laser distance meter is fixedly arranged on said first measuring rod, and the laser beam emitted by said fifth laser distance meter is directed vertically upwards.
6. A measuring device according to claim 1, characterized in that the device further comprises a laser level, which is arranged on the first measuring rod.
7. A measuring device according to any one of claims 1-6, characterized in that the measuring device is arranged to measure the length of a blast furnace supply air duct, which comprises a first supply air duct and a second supply air duct, wherein:
the second air supply pipeline comprises a belly pipe, an air port and two sets of pipes, wherein the belly pipe and the air port are respectively provided with a first end and a second end, the first end of the belly pipe is closed, one end of the first air supply pipeline is communicated with the pipe body of the belly pipe, the second end of the belly pipe fixedly penetrates through the first ends of the two sets of pipes, the second ends of the two sets of pipes are connected to the blast furnace body, the second end of the belly pipe is communicated with the first end of the air port, the second end of the air port is communicated with the blast furnace body, and an included angle is formed between the axial direction of the belly pipe and the axial direction of the first air supply;
the other end of the first air supply pipeline is communicated with the blast furnace surrounding pipe.
8. A measuring device as claimed in claim 7, wherein said first supply duct comprises a short surrounding pipe, an upper corrugated pipe and a lower corrugated pipe, one end of said short surrounding pipe is communicated with said blast furnace surrounding pipe, the other end of said short surrounding pipe is communicated with one end of said upper corrugated pipe, the other end of said upper corrugated pipe is communicated with one end of said lower corrugated pipe, and the other end of said lower corrugated pipe is communicated with the pipe body of said belly pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150869.8U CN212335221U (en) | 2020-09-27 | 2020-09-27 | Measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150869.8U CN212335221U (en) | 2020-09-27 | 2020-09-27 | Measuring device |
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| CN212335221U true CN212335221U (en) | 2021-01-12 |
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| CN202022150869.8U Active CN212335221U (en) | 2020-09-27 | 2020-09-27 | Measuring device |
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