CN113911981A - Sliding shoe arrangement structure and method for pushing tray for pushing blast furnace - Google Patents
Sliding shoe arrangement structure and method for pushing tray for pushing blast furnace Download PDFInfo
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- CN113911981A CN113911981A CN202111265150.1A CN202111265150A CN113911981A CN 113911981 A CN113911981 A CN 113911981A CN 202111265150 A CN202111265150 A CN 202111265150A CN 113911981 A CN113911981 A CN 113911981A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 235000014121 butter Nutrition 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Blast Furnaces (AREA)
Abstract
The invention belongs to the field of blast furnace construction, and particularly relates to a sliding shoe arrangement structure and a sliding shoe arrangement method for a pushing tray for pushing a blast furnace. In the invention, a pushing tray for pushing the blast furnace, a bearing sliding shoe, a guide sliding shoe and a pushing track are introduced, the top parts of the bearing sliding shoe and the guide sliding shoe are connected to the bottom part of the pushing tray for pushing the blast furnace, and the bottom parts of the bearing sliding shoe and the guide sliding shoe are in sliding fit with the pushing track. The pushing track comprises a first side track, a central track and a second side track, the central track is positioned between the first side track and the second side track, and a central plane of the first side track, a central plane of the central track and a central plane of the second side track are parallel; according to the invention, the installation positions of the bearing sliding shoes, the guide sliding shoes and the pushing track are reasonably arranged, so that the gravity of the furnace body is uniformly distributed on the pushing track, and the stable pushing and accurate positioning of the subsequent blast furnace are ensured.
Description
Technical Field
The invention belongs to the field of blast furnace construction, and particularly relates to a sliding shoe arrangement structure and a sliding shoe arrangement method for a pushing tray for pushing a blast furnace.
Background
In the field of blast furnace construction, a blast furnace is assembled off-line, and then the assembled blast furnace is pushed and mounted on a work platform. In the existing blast furnace pushing structure, a hydraulic ram is often adopted to push the blast furnace. However, the vertical gravity of the blast furnace and the horizontal thrust of the hydraulic pushing are usually large, so the pushing operation is complicated. When the blast furnace is pushed, the requirements on the hydraulic ram structure are strict on one hand, and whether the sliding direction of the blast furnace is correct or not needs to be considered in the pushing process on the other hand, when the sliding direction is wrong, repeated correction needs to be carried out, and the pushing operation efficiency is low. In order to solve the problem of low operating efficiency when the blast furnace is pushed, a pushing tray for pushing the blast furnace is introduced.
However, the existing pushing tray for pushing the blast furnace has the problems of poor guidance performance and insufficient bearing performance, and after the guide sliding shoes and the bearing sliding shoes are introduced simultaneously, the existing pushing tray lacks reasonable arrangement of the guide sliding shoes and the bearing sliding shoes, so that the gravity of the furnace body cannot be uniformly distributed on a pushing track, and stable pushing and accurate positioning of the follow-up blast furnace cannot be guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: solves the problem that the gravity of the furnace body can not be uniformly distributed on the pushing track because the guide sliding shoes and the bearing sliding shoes can not be reasonably arranged on the pushing tray for pushing the blast furnace.
In order to solve the technical problems, the invention adopts the following technical scheme: the sliding shoe arrangement structure for the pushing tray for pushing the blast furnace comprises a pushing tray for pushing the blast furnace, a bearing sliding shoe, a guide sliding shoe and a pushing track, wherein the pushing tray for pushing the blast furnace comprises a base plate, a pushing beam and a limiting rib;
the top parts of the bearing sliding shoes and the guide sliding shoes are connected to the bottom of the base plate, and the bottom parts of the bearing sliding shoes and the guide sliding shoes are in sliding fit with the pushing track;
the pushing track comprises a first side track, a central track and a second side track, the central track is positioned between the first side track and the second side track, and a central plane of the first side track, a central plane of the central track and a central plane of the second side track are parallel;
a plurality of force bearing sliding shoes are respectively arranged on the first side rail, the central rail and the second side rail, and a plurality of guide sliding shoes are respectively arranged on the first side rail and the second side rail.
Furthermore, the number of the guide sliding shoes is four, the number of the force bearing sliding shoes is eighteen, and the number of the central tracks is two;
among the guide sliding shoes, two guide sliding shoes are uniformly distributed on the first side rail, and the other two guide sliding shoes are uniformly distributed on the second side rail;
among the force bearing sliding shoes, three force bearing sliding shoes are uniformly distributed on the first side rail, twelve force bearing sliding shoes are respectively uniformly distributed on the two central rails, and the other three force bearing sliding shoes are uniformly distributed on the second side rail.
Furthermore, the invention introduces a method for arranging a sliding shoe for a pushing tray for pushing a blast furnace, comprising the following steps:
a. preparing a pushing tray for pushing the blast furnace, a bearing sliding shoe, a guide sliding shoe and a pushing track;
b. connecting the force bearing sliding shoe and the guide sliding shoe to a pushing track;
c. a pushing tray for pushing the blast furnace is arranged.
Further, in the step b, after the force bearing sliding shoes and the guide sliding shoes are installed with the corresponding tracks, the elevation and the central value of each force bearing sliding shoe, each guide sliding shoe and the corresponding track are checked.
Further, in step c, after the blast furnace pushing pallet is mounted on the force bearing shoe and the guide shoe, the elevation, the center value and the levelness of the blast furnace pushing pallet are checked.
Further, in step a, the messenger shoe and the guide shoe are respectively classified by marks.
Further, in step b, the contact condition of the messenger shoe and the guide shoe with the respective moving rails is measured by a thickness gauge, and the clearance between the messenger shoe and the guide shoe with the respective moving rails is detected.
Further, after step c, grease is applied to the surface of the pushing track.
Further, comprising the step d: preparing a winch, carrying out traction debugging on the assembled integral structure of the pushing tray, the bearing sliding shoes and the guide sliding shoes for pushing the blast furnace by adopting the winch, and checking the sliding fit condition of the integral structure on a pushing track.
In the invention, a pushing tray for pushing the blast furnace, a bearing sliding shoe, a guide sliding shoe and a pushing track are introduced, the top parts of the bearing sliding shoe and the guide sliding shoe are connected to the bottom part of the pushing tray for pushing the blast furnace, and the bottom parts of the bearing sliding shoe and the guide sliding shoe are in sliding fit with the pushing track. In the invention, the pushing track comprises a first side track, a central track and a second side track, the central track is positioned between the first side track and the second side track, and the central plane of the first side track, the central plane of the central track and the central plane of the second side track are parallel; a plurality of force bearing sliding shoes are respectively arranged on the first side rail, the central rail and the second side rail, and a plurality of guide sliding shoes are respectively arranged on the first side rail and the second side rail. According to the invention, the installation positions of the bearing sliding shoes, the guide sliding shoes and the pushing track are reasonably arranged, so that the gravity of the furnace body is uniformly distributed on the pushing track, and the stable pushing and accurate positioning of the subsequent blast furnace are ensured.
Drawings
FIG. 1 is a schematic view of a blast furnace installed in the present invention;
FIG. 2 is a schematic diagram of the present invention in cooperation with a hydraulic ram;
FIG. 3 is a schematic view showing a structure of a pushing tray for pushing a blast furnace according to the present invention;
FIG. 4 is a schematic view of the distribution structure of the guide slipper and the force bearing slipper in the invention;
FIG. 5 is a schematic structural view of the messenger shoe distributed on the central track;
FIG. 6 is a schematic view of a connection structure of a guide slipper, a force bearing slipper and a base plate;
FIG. 7 is a schematic view of a substrate with a connection hole;
description of reference numerals:
1. a substrate; 2. pushing the beam; 3. limiting ribs; 4. connecting ribs; 5. force bearing sliding shoes; 6. a guide shoe; 7. pushing the rail; 71. a first side rail; 72. a central track; 73. a second side rail; 11. and connecting the holes.
Detailed Description
The sliding shoe arrangement structure for the pushing tray for pushing the blast furnace comprises a pushing tray for pushing the blast furnace, a force bearing sliding shoe 5, a guide sliding shoe 6 and a pushing track 7, wherein the pushing tray for pushing the blast furnace comprises a base plate 1, a pushing beam 2 and a limiting rib 3, the bottom of the pushing beam 2 is connected with the top of the base plate 1, one end of the pushing beam 2 is used for being matched with a hydraulic jack, the bottom of the limiting rib 3 is connected to the top of the base plate 1, and the inner wall surface of the limiting rib 3 is used for being matched and connected with the outer wall surface of the bottom of the blast furnace;
the bearing sliding shoes 5 and the guide sliding shoes 6 are multiple, the tops of the bearing sliding shoes 5 and the tops of the guide sliding shoes 6 are connected to the bottom of the base plate 1, and the bottoms of the bearing sliding shoes 5 and the bottoms of the guide sliding shoes 6 are in sliding fit with the pushing track 7;
the pushing track 7 comprises a first side track 71, a central track 72 and a second side track 73, the central track 72 is positioned between the first side track 71 and the second side track 73, and the central plane of the first side track 71, the central plane of the central track 72 and the central plane of the second side track 73 are parallel;
a plurality of messenger shoes 5 are mounted to the first side rail 71, the center rail 72, and the second side rail 73, respectively, and a plurality of guide shoes 6 are mounted to the first side rail 71 and the second side rail 73, respectively.
According to the invention, the installation positions of the bearing sliding shoes 5, the guide sliding shoes 6 and the pushing track 7 are reasonably arranged, so that the gravity of the furnace body is uniformly distributed on the pushing track 7, and the stable pushing and accurate positioning of the subsequent blast furnace are ensured.
The guide shoe 6 is arranged on the first side rail 71 and the second side rail 73, so that the deviation rectification adjustment can be conveniently carried out by an operator.
The pushing tray for pushing the blast furnace can be further provided with a connecting rib 4, the bottom of the connecting rib 4 is connected to the top of the base plate 1, and the side part of the connecting rib 4 is connected with the side part of the pushing beam 2. The connecting ribs 4 are used for enhancing the connecting strength between the structures and ensuring the structural strength requirement of the pushing tray.
The above-mentioned spacing rib 3 can be set into a ring shape. The concrete structure of the limiting rib 3 is determined according to the shape of the bottom of the blast furnace. The limiting ribs 3 should ensure that the relative position of the blast furnace and the base plate 1 is not changed after the blast furnace and the base plate 1 are connected, such as through an integral pouring mode.
In order to define the specific arrangement structure of the force bearing sliding shoes 5 and the guide sliding shoes 6, the number of the guide sliding shoes 6 is four, the number of the force bearing sliding shoes 5 is eighteen, and the number of the central rails 72 is two;
of the guide shoes 6, two guide shoes 6 are uniformly distributed on the first side rail 71, and the other two guide shoes 6 are uniformly distributed on the second side rail 73;
in the force bearing sliding shoes 5, three force bearing sliding shoes 5 are uniformly distributed on the first side rail 71, twelve force bearing sliding shoes 5 are respectively uniformly distributed on the two central rails 72, and the other three force bearing sliding shoes 5 are uniformly distributed on the second side rail 73.
Furthermore, the invention introduces a method for arranging a sliding shoe for a pushing tray for pushing a blast furnace, comprising the following steps:
a. preparing a pushing tray for pushing the blast furnace, a bearing sliding shoe (5), a guide sliding shoe (6) and a pushing track (7);
b. connecting a bearing sliding shoe (5) and a guide sliding shoe (6) to a pushing track (7);
c. a pushing tray for pushing the blast furnace is arranged.
In order to clarify the installation condition of the skid shoes, in step b, after the bearing skid shoes 5 and the guide skid shoes 6 are installed with the corresponding tracks, the elevation and the central value of each bearing skid shoe 5 and each guide skid shoe 6 with the corresponding tracks are checked.
In order to clarify the installation of the blast furnace pushing pallet, in step c, after the blast furnace pushing pallet is installed on the bearing shoe 5 and the guide shoe 6, the elevation, the center value and the levelness of the blast furnace pushing pallet are checked.
In the step b, the elevation of each working surface of the bearing sliding shoe 5 and the guide sliding shoe 6 can be adjusted by a hydraulic jack, the top surface of each sliding shoe is guaranteed to be tightly propped against the bottom of the pushing tray for pushing the blast furnace, an adjusting gasket group can be designed between the sliding shoe and the pushing tray for pushing the blast furnace, the adjusting gasket group is divided into a plurality of adjusting gaskets, the thickness of each adjusting gasket can be 1mm, 2 mm, 3mm and 4mm for processing, and the number of the adjusting gaskets is set according to the elevation requirement.
The levelness deviation of the pushing track 7 can be controlled within +/-0.50 mm locally, the full-length range is not more than 3mm, the pushing track 7 can be straightened firstly, the side curvature of each pushing track 7 is controlled within 1mm of the full length, and the sliding surface of the pushing track 7 is planed and ground. The surface roughness of the sliding surface of the pushing track 7 is not lower than 3.2, so that the sliding resistance is effectively controlled; the outer side surface of the upper flange of the pushing rail 7 is ground, and the surface roughness of the pushing rail is not lower than 12.5.
In step c, the elevation, the central value and the levelness of the pushing tray for pushing the blast furnace are checked, and if deviation occurs, the adjustment can be carried out by additionally arranging an adjusting pad.
The force bearing sliding shoes 5, the guide sliding shoes 6 and the pushing tray for pushing the blast furnace can be connected by bolts, as shown in fig. 7, connecting holes 11 are formed in the pushing tray for pushing the blast furnace, and at the moment, threaded connecting holes are formed in corresponding positions of the force bearing sliding shoes 5 and the guide sliding shoes 6.
In order to facilitate subsequent mounting operations, in step a, the force bearing sliding shoes 5 and the guide sliding shoes 6 are respectively marked and classified. The marking may be performed by vibration pen marking or by writing with a highlighter.
In order to prevent the jamming of the force bearing shoe 5 and the guide shoe 6 on the corresponding pushing rail 7, in step b, the contact condition of the force bearing shoe 5 and the guide shoe 6 with the respective pushing rails 7 is measured by a thickness gauge, and the clearance between the force bearing shoe 5 and the guide shoe 6 and the respective pushing rails 7 is detected. If there is deviation, the local adjustment can be carried out by the hydraulic jack and the adjusting pad.
To facilitate the subsequent pushing operation, after step c, grease is applied to the surface of the pushing rail 7.
In order to avoid carrying out follow-up school bit, influence and pass efficiency, introduce step d: preparing a winch, carrying out traction debugging on the assembled integral structure of the pushing tray for pushing the blast furnace, the force bearing sliding shoes 5 and the guide sliding shoes 6 by adopting the winch, and checking the sliding fit condition of the integral structure on a pushing track 7.
Claims (9)
1. The sliding shoe arrangement structure is characterized by comprising a pushing tray for pushing the blast furnace, a bearing sliding shoe (5), a guide sliding shoe (6) and a pushing track (7), wherein the pushing tray for pushing the blast furnace comprises a base plate (1), a pushing beam (2) and a limiting rib (3), the bottom of the pushing beam (2) is connected with the top of the base plate (1), one end of the pushing beam (2) is used for being matched with a hydraulic jack, the bottom of the limiting rib (3) is connected to the top of the base plate (1), and the inner wall surface of the limiting rib (3) is used for being matched and connected with the outer wall surface of the bottom of the blast furnace;
the bearing sliding shoes (5) and the guide sliding shoes (6) are multiple, the tops of the bearing sliding shoes (5) and the guide sliding shoes (6) are connected to the bottom of the base plate (1), and the bottoms of the bearing sliding shoes (5) and the guide sliding shoes (6) are in sliding fit with the pushing track (7);
the pushing track (7) comprises a first side track (71), a center track (72) and a second side track (73), the center track (72) is located between the first side track (71) and the second side track (73), and the center plane of the first side track (71), the center plane of the center track (72) and the center plane of the second side track (73) are parallel;
a plurality of force bearing sliding shoes (5) are respectively arranged on a first side rail (71), a central rail (72) and a second side rail (73), and a plurality of guide sliding shoes (6) are respectively arranged on the first side rail (71) and the second side rail (73).
2. The slipper arrangement structure for a moving pallet for a blast furnace in accordance with claim 1, wherein the number of the guide slipper (6) is four, the number of the messenger slipper (5) is eighteen, and the number of the center rail (72) is two;
in the guide sliding shoes (6), two guide sliding shoes (6) are uniformly distributed on the first side rail (71), and the other two guide sliding shoes (6) are uniformly distributed on the second side rail (73);
among the force bearing sliding shoes (5), three force bearing sliding shoes (5) are uniformly distributed on a first side rail (71), twelve force bearing sliding shoes (5) are respectively uniformly distributed on two central rails (72), and the other three force bearing sliding shoes (5) are uniformly distributed on a second side rail (73).
3. The method for arranging the sliding shoe for the moving pallet of the blast furnace according to claim 1, comprising the steps of:
a. preparing a pushing tray for pushing the blast furnace, a bearing sliding shoe (5), a guide sliding shoe (6) and a pushing track (7);
b. connecting a bearing sliding shoe (5) and a guide sliding shoe (6) to a pushing track (7);
c. a pushing tray for pushing the blast furnace is arranged.
4. The slipper arranging method for a pushing pallet for a blast furnace as claimed in claim 3, wherein in step b, after the messenger slipper (5), the guide slipper (6) and the respective corresponding rails are installed, an elevation and a center value of each of the messenger slipper (5), the guide slipper (6) and the respective corresponding rails are checked.
5. The shoe arrangement method for a blast furnace shift pallet according to claim 3, wherein in step c, after the blast furnace shift pallet is installed on the messenger shoe (5) and the guide shoe (6), the elevation, center value and levelness of the blast furnace shift pallet are checked.
6. The slipper arranging method for a moving pallet for a blast furnace according to claim 3, wherein in the step a, the messenger slipper (5) and the guide slipper (6) are separately classified by a mark.
7. The shoe arrangement method for a moving pallet for moving a blast furnace according to claim 3, wherein in step b, the contact condition of the messenger shoe (5) and the guide shoe (6) with the respective moving rails (7) is measured by a thickness gauge, and the clearance between the messenger shoe (5) and the guide shoe (6) with the respective moving rails (7) is detected.
8. Method for the arrangement of the sliding shoes for the moving pallets of the blast furnace according to claim 3, characterized in that after step c butter is spread on the surface of the moving track (7).
9. The slipper arranging method for a moving pallet for a blast furnace according to any one of claims 3 to 8, comprising the step d of: preparing a winch, carrying out traction debugging on the assembled integral structure of the pushing tray for pushing the blast furnace, the force bearing sliding shoes (5) and the guide sliding shoes (6) by adopting the winch, and checking the sliding fit condition of the integral structure on a pushing track (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265150.1A CN113911981A (en) | 2021-10-28 | 2021-10-28 | Sliding shoe arrangement structure and method for pushing tray for pushing blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265150.1A CN113911981A (en) | 2021-10-28 | 2021-10-28 | Sliding shoe arrangement structure and method for pushing tray for pushing blast furnace |
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| Publication Number | Publication Date |
|---|---|
| CN113911981A true CN113911981A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111265150.1A Pending CN113911981A (en) | 2021-10-28 | 2021-10-28 | Sliding shoe arrangement structure and method for pushing tray for pushing blast furnace |
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| CN (1) | CN113911981A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8542275A (en) * | 1974-10-04 | 1977-04-07 | Anderson Ind Ab Paul | Track to slide loads, moved by climbing jacks in horizontal direction |
| CN1081647A (en) * | 1992-07-31 | 1994-02-09 | 首钢总公司 | Apparatus for pushing integral large object |
| CN1222579A (en) * | 1998-12-02 | 1999-07-14 | 酒泉钢铁(集团)有限责任公司 | Integral shift technology and equipment for overhaul of blast furnace |
| CN2835203Y (en) * | 2005-10-25 | 2006-11-08 | 中国第十九冶金建设公司 | Horizontal pushing device for blast furnace proper |
| CN201236133Y (en) * | 2008-05-21 | 2009-05-13 | 河北钢铁建设集团有限责任公司 | Rolling-sliding combined blast furnace traction apparatus |
| CN112408288A (en) * | 2020-09-21 | 2021-02-26 | 上海宝冶冶金工程有限公司 | Jacking sliding equipment special for blast furnace |
-
2021
- 2021-10-28 CN CN202111265150.1A patent/CN113911981A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8542275A (en) * | 1974-10-04 | 1977-04-07 | Anderson Ind Ab Paul | Track to slide loads, moved by climbing jacks in horizontal direction |
| CN1081647A (en) * | 1992-07-31 | 1994-02-09 | 首钢总公司 | Apparatus for pushing integral large object |
| CN1222579A (en) * | 1998-12-02 | 1999-07-14 | 酒泉钢铁(集团)有限责任公司 | Integral shift technology and equipment for overhaul of blast furnace |
| CN2835203Y (en) * | 2005-10-25 | 2006-11-08 | 中国第十九冶金建设公司 | Horizontal pushing device for blast furnace proper |
| CN201236133Y (en) * | 2008-05-21 | 2009-05-13 | 河北钢铁建设集团有限责任公司 | Rolling-sliding combined blast furnace traction apparatus |
| CN112408288A (en) * | 2020-09-21 | 2021-02-26 | 上海宝冶冶金工程有限公司 | Jacking sliding equipment special for blast furnace |
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Application publication date: 20220111 |
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| RJ01 | Rejection of invention patent application after publication |