CN113758554A - Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle - Google Patents
Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle Download PDFInfo
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- CN113758554A CN113758554A CN202110949169.1A CN202110949169A CN113758554A CN 113758554 A CN113758554 A CN 113758554A CN 202110949169 A CN202110949169 A CN 202110949169A CN 113758554 A CN113758554 A CN 113758554A
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- ladle
- weighing sensor
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- 238000005303 weighing Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 100
- 239000010959 steel Substances 0.000 claims abstract description 100
- 238000001514 detection method Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 240000009087 Crescentia cujete Species 0.000 description 3
- 235000005983 Crescentia cujete Nutrition 0.000 description 3
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/02—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/02—Arrangements of bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention relates to the technical field of maintenance and repair of a buggy ladle weighing system, and discloses an auxiliary device for dismounting and calibrating a buggy ladle weighing sensor, which comprises: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10); the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10). The scheme can realize the replacement of the buggy ladle weighing sensor without depending on the assistance of the crown block, and can realize the calibration of the buggy ladle weighing system without depending on the assistance of the crown block to hang the weight package.
Description
Technical Field
The invention relates to the technical field of overhaul and maintenance of buggy ladle weighing systems, in particular to an auxiliary device and method for disassembling, assembling and calibrating a buggy ladle weighing sensor.
Background
The buggy ladle is a common transportation device in steel-making enterprises. The ladle car is used for transporting ladles filled with molten steel. In order to improve the working efficiency of iron and steel enterprises, the load of a buggy ladle can typically reach 50 tons or more, and the running speed can reach about 40 meters per minute.
In order to count and control the amount of molten steel conveyed by the ladle car, weighing sensors are arranged in the ladle car. Generally, a plurality of load cells are installed in a body of a buggy ladle.
Because the buggy ladle runs in the high-temperature complex working environment of the iron and steel enterprise, the weighing sensor of the buggy ladle is easy to be damaged, and the weighing sensor of the buggy ladle needs to be overhauled regularly. Frequently, a maintenance person needs to replace a damaged load cell with a new load cell, and also needs to calibrate the new load cell that has been replaced.
The inventor discovers in research that the operation efficiency of replacing and calibrating a weighing sensor of a buggy ladle in the prior art is lower, mainly needs a crown block to be matched and hoisted in the replacing application process, and needs the crown block to hoist a weight package to calibrate the balance, because the crown blocks in various production lines in an iron and steel enterprise are busy, the process of waiting for the crown blocks can occupy a lot of time, and meanwhile, one crown block is occupied, and the production efficiency of one production line of the steel enterprise can be correspondingly reduced.
Accordingly, there is a need for improvements in the art, and in particular for techniques that allow for the replacement and calibration of buggy ladle load cells without relying on overhead travelling cranes for assistance.
Disclosure of Invention
In view of the above, there is a need for an auxiliary device and method for disassembling and calibrating a ladle car weighing sensor, which can replace the ladle car weighing sensor without the assistance of a crown block and can calibrate a ladle car weighing system without the assistance of a crown block to suspend a weight package compared with the prior art.
The first aspect of the embodiments of the present invention provides a buggy ladle weighing sensor dismounting and calibration auxiliary device, including: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10);
the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10).
In an optional embodiment of the invention, the length of the channel steel (4) is equal to the distance between the ladle carriages (2) at the two ends of the ladle car.
In an alternative embodiment of the present invention, the surface of the steel plate (3) is a vertical surface, and the vertical surface has the through hole.
In an optional embodiment of the invention, the device further comprises a hoist crane hung below the hanging lug (9).
A second aspect of an embodiment of the present invention provides a method for detaching and attaching a ladle car weighing sensor, which is applied to the device for assisting in detaching and attaching and calibrating a ladle car weighing sensor, and includes:
lifting rods (5) at two ends of the buggy ladle weighing sensor dismounting and calibrating device are applied with lifting force to lift the buggy ladle weighing sensor dismounting and calibrating device;
aligning through holes in steel plates (3) at two ends of the ladle car weighing sensor dismounting and calibrating device with bolt holes in ladle frames (2) at two ends of the ladle car;
mounting bolts between the through holes and the bolt holes so as to fix the buggy ladle weighing sensor dismounting and calibrating device on the buggy ladle;
a hoist crane is hung and connected below the hanging lug (9), the hanging lug (9) is moved to the position above a positioning and mounting screw rod of a force transmission supporting seat (11) of the buggy ladle, and the hanging lug (9) is fixed by utilizing the positioning screw rod (10);
disassembling a positioning and mounting screw rod of the force transmission support seat (11), and hoisting and moving away the force transmission support seat by using the hoist crane;
moving the hanging lug (9) to be right above the weighing sensor of the buggy ladle again, and disassembling the positioning and mounting screw of the weighing sensor;
hoisting the weighing sensor by using a hoist crane and moving away;
hanging a new weighing sensor on the hoist crane, moving to an installation station, putting down the hoist crane, and installing the hoist crane;
and hoisting the force transmission supporting seat (11) by using the hoist crane, and moving the force transmission supporting seat to the original position for installation.
In an alternative embodiment of the invention, the buggy ladle has a plurality of load cells therein.
In an alternative embodiment of the invention, the number of load cells is 4.
The third aspect of the embodiment of the invention provides a calibration method for a ladle car weighing sensor, which comprises the following steps:
firstly, the dismounting and mounting of the weighing sensor are completed based on a buggy ladle weighing sensor dismounting and mounting method, wherein the buggy ladle weighing sensor dismounting and mounting method is the buggy ladle weighing sensor dismounting and mounting method;
a group of supporting cushion blocks (8) are arranged above the force transmission supporting seat (11);
a weighing sensor for calibration is arranged above the supporting cushion block (8);
-connecting the load cell for calibration to a check weighing instrument (13);
connecting a new load cell replaced in the buggy ladle to a check weighing instrument (1);
placing a jack (6) on the weighing sensor for calibration;
and detecting whether the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are consistent or not, and calibrating.
In an alternative embodiment of the invention, the method comprises moving and placing the jacking blocks and/or the jacks by means of the hoist.
In an alternative embodiment of the present invention, the step of performing calibration includes:
if the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are within a set small error range, finishing calibration work;
and if the difference between the readings of the detection weighing instrument (1) and the detection weighing instrument (13) exceeds a set small error range, resetting the detection weighing instrument (1) according to the reading of the detection weighing instrument (13).
The buggy ladle weighing sensor dismounting and calibration auxiliary device and the method provided by the embodiment of the invention have corresponding beneficial effects.
The technical scheme of the embodiment of the invention has the beneficial effects that:
the buggy ladle weighing sensor dismounting and calibration auxiliary device provided by the embodiment of the invention comprises: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10); the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10). The device and the method provided by the embodiment of the invention can realize the replacement of the weighing sensor of the buggy ladle without depending on the assistance of the crown block, and can realize the calibration of the weighing system of the buggy ladle without depending on the assistance of the crown block for hanging the weight package.
Drawings
Fig. 1 is a schematic structural view of a buggy ladle weighing sensor dismounting and calibration auxiliary device provided in an embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, an auxiliary device for detaching and calibrating a weighing sensor of a buggy ladle is provided, including: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10);
the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10).
In an optional embodiment of the invention, the length of the channel steel (4) is equal to the distance between the ladle frames (2) at the two ends of the ladle car.
In an alternative embodiment of the present invention, the surface of the steel plate (3) is a vertical surface, and the vertical surface has the through hole.
In an optional embodiment of the invention, the device further comprises a hoist crane hung below the hanging lug (9).
Based on the buggy ladle weighing sensor dismounting and calibration auxiliary device in the embodiment in fig. 1, the embodiment of the invention also provides a buggy ladle weighing sensor dismounting and mounting method, which is applied to the buggy ladle weighing sensor dismounting and calibration auxiliary device and comprises the following steps:
step 21, applying lifting force to lifting rods (5) at two ends of the buggy ladle weighing sensor dismounting and calibrating device to lift the buggy ladle weighing sensor dismounting and calibrating device;
step 22, aligning through holes in steel plates (3) at two ends of the buggy ladle weighing sensor dismounting and calibrating device with bolt holes in buggy ladle frames (2) at two ends of the buggy ladle;
step 23, mounting bolts between the through holes and the bolt holes so as to fix the buggy ladle weighing sensor dismounting and calibrating device on the buggy ladle;
24, hanging a hoist crane below the hanging lug (9), moving the hanging lug (9) to the position above a positioning and mounting screw rod of a force transmission supporting seat (11) of the buggy ladle, and fixing the hanging lug (9) by using the positioning screw rod (10);
step 25, disassembling a positioning and mounting screw of the force transmission support seat (11), and hoisting and moving away the force transmission support seat by using the hoist crane;
step 26, moving the hangers (9) to be right above the weighing sensor of the buggy ladle again, and disassembling a positioning mounting screw of the weighing sensor;
step 27, hoisting the weighing sensor by using a hoist crane and moving away;
28, hanging a new weighing sensor on the hoist crane, moving to an installation station, putting down the new weighing sensor, and installing the new weighing sensor;
and 29, hoisting the force transmission support seat (11) by using the hoist crane, and moving the force transmission support seat to the original position for installation.
In an alternative embodiment of the invention, the buggy ladle has a plurality of load cells therein.
In an alternative embodiment of the invention, the number of load cells is 4.
Based on the auxiliary device in the embodiment of fig. 1, the embodiment of the invention also provides a calibration method for the weighing sensor of the buggy ladle, which comprises the following steps:
step 31, firstly completing the dismounting and mounting of the weighing sensor based on a buggy ladle weighing sensor dismounting and mounting method, wherein the buggy ladle weighing sensor dismounting and mounting method is the buggy ladle weighing sensor dismounting and mounting method;
step 32, placing a group of supporting cushion blocks (8) above the force transmission supporting seat (11);
step 33, placing a weighing sensor for calibration above the supporting cushion block (8);
step 34, connecting the load cell for calibration to a check weighing instrument (13);
step 35, connecting a new weighing sensor replaced in the buggy ladle to a detection weighing instrument (1);
step 36, placing a jack (6) on the weighing sensor for calibration;
and step 37, detecting whether the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are consistent or not, and calibrating.
In an alternative embodiment of the invention, the method comprises moving and placing the jacking blocks and/or the jacks by means of the hoist.
In an alternative embodiment of the present invention, the step of performing calibration includes:
if the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are within a set small error range, finishing calibration work;
and if the difference between the readings of the detection weighing instrument (1) and the detection weighing instrument (13) exceeds a set small error range, resetting the detection weighing instrument (1) according to the reading of the detection weighing instrument (13).
Please refer to fig. 1, illustrating the process of using:
the auxiliary device comprises a channel steel (4) for the channel steel, a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10). When the weighing sensor is replaced, the weighing sensor is directly placed above the steel ladle frame (2), the bolts penetrate through hole positions on the steel plate (3) and the steel ladle frame to be quickly and simply fixed, the calabash can be efficiently hung on the hanging lugs (9) capable of being movably positioned, the positioning screw (10) is used for locking and fixing, the positioning mounting screw of the force transmission supporting seat (11) is disassembled, the supporting seat can be hoisted, and the steel ladle frame is placed stably beside the supporting seat. Then shift hangers (9) and calabash to the weighing sensor that needs to be changed directly over, hang the weighing sensor who has dismantled positioning screw to hang new weighing sensor and go to install, reuse this patent equipment and calabash to hang and to hoist biography power supporting seat (11) and repack. And carrying out wiring debugging after the force transmission supporting seat is completely reloaded. From this, the weighing sensor is replaced.
After the weighing sensor is replaced, a weighing system needs to be compared and calibrated, the traditional method is to hang a weight bag for calibration, and the calibration progress is often influenced because the time of the crown block is difficult to coordinate, or the crown block cannot be arranged for calibration at all. Therefore, a group of supporting cushion blocks (8) with proper height are arranged above the force transmission supporting seat (11), a high-precision weighing sensor is arranged above the supporting cushion blocks, and a detection weighing instrument (13) is connected. Place jack (6) in weighing sensor top, through jack-up jack, utilize this patent device to exert pressure, whether detection weighing instrument (1) indicating value is unanimous with detection weighing instrument (13) indicating value, if inconsistent, then revise according to detection weighing instrument value and mark.
The buggy ladle weighing sensor dismounting and calibration auxiliary device and the method provided by the embodiment of the invention have corresponding beneficial effects.
The technical scheme of the embodiment of the invention has the beneficial effects that:
the buggy ladle weighing sensor dismounting and calibration auxiliary device provided by the embodiment of the invention comprises: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10); the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10). The device and the method provided by the embodiment of the invention can realize the replacement of the weighing sensor of the buggy ladle without depending on the assistance of the crown block, and can realize the calibration of the weighing system of the buggy ladle without depending on the assistance of the crown block for hanging the weight package.
In the description of the embodiments of the present invention, it is to be understood that, in the description of the present invention, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that three relationships may exist, e.g., A and/or B. Can represent that: a exists alone, A and B exist simultaneously, and B exists alone.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and other divisions may be realized in practice.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional module.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms second, etc. are used to denote names, but not any particular order.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a buggy ladle weighing sensor dismouting and calibration auxiliary device which characterized in that includes: the steel plate lifting device comprises a channel steel (4), a steel plate (3), a lifting rod (5), a hanging lug (9) and a positioning screw (10);
the channel steel (4) is transverse channel steel, and the length of the channel steel (4) is not less than the distance between the ladle frames (2) at the two ends of the ladle car; the steel plates (3) are connected to two ends of the channel steel (4), and through holes corresponding to the bolt holes in the steel ladle frame (2) are formed in the steel plates (3); the lifting rod (5) is connected to the channel steel (4); the hanging lug (9) is connected to the channel steel (4) in a sliding mode, and the relative position of the channel steel (4) can be fixed through the positioning screw rod (10).
2. Buggy ladle load cell disassembly and calibration aid according to claim 1, characterised in that the length of the channel steel (4) is equal to the distance of the buggy ladle frames (2) at both ends of the buggy ladle.
3. The buggy ladle load cell disassembly and assembly and calibration aid of claim 1, wherein the face of the steel plate (3) is a vertical face having one of said through holes.
4. The buggy ladle weighing sensor dismounting and calibration auxiliary device of claim 1, characterized by also comprising a hoist crane suspended below the suspension loops (9).
5. A method for dismounting and mounting a ladle car weighing sensor, which is applied to the auxiliary device for dismounting and mounting and calibrating the ladle car weighing sensor of any one of claims 1 to 5, and is characterized by comprising the following steps:
lifting rods (5) at two ends of the buggy ladle weighing sensor dismounting and calibrating device are applied with lifting force to lift the buggy ladle weighing sensor dismounting and calibrating device;
aligning through holes in steel plates (3) at two ends of the ladle car weighing sensor dismounting and calibrating device with bolt holes in ladle frames (2) at two ends of the ladle car;
mounting bolts between the through holes and the bolt holes so as to fix the buggy ladle weighing sensor dismounting and calibrating device on the buggy ladle;
a hoist crane is hung and connected below the hanging lug (9), the hanging lug (9) is moved to the position above a positioning and mounting screw rod of a force transmission supporting seat (11) of the buggy ladle, and the hanging lug (9) is fixed by utilizing the positioning screw rod (10);
disassembling a positioning and mounting screw rod of the force transmission support seat (11), and hoisting and moving away the force transmission support seat by using the hoist crane;
moving the hanging lug (9) to be right above the weighing sensor of the buggy ladle again, and disassembling the positioning and mounting screw of the weighing sensor;
hoisting the weighing sensor by using a hoist crane and moving away;
hanging a new weighing sensor on the hoist crane, moving to an installation station, putting down the hoist crane, and installing the hoist crane;
and hoisting the force transmission supporting seat (11) by using the hoist crane, and moving the force transmission supporting seat to the original position for installation.
6. The method of claim 5, wherein the buggy ladle has a plurality of load cells.
7. The method of claim 6, wherein the number of load cells is 4.
8. A calibration method for a ladle car weighing sensor is characterized by comprising the following steps:
firstly, completing the dismounting and mounting of a weighing sensor based on a buggy ladle weighing sensor dismounting and mounting method, wherein the buggy ladle weighing sensor dismounting and mounting method is the buggy ladle weighing sensor dismounting and mounting method in claim 5;
a group of supporting cushion blocks (8) are arranged above the force transmission supporting seat (11);
a weighing sensor for calibration is arranged above the supporting cushion block (8);
-connecting the load cell for calibration to a check weighing instrument (13);
connecting a new load cell replaced in the buggy ladle to a check weighing instrument (1);
placing a jack (6) on the weighing sensor for calibration;
and detecting whether the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are consistent or not, and calibrating.
9. The buggy ladle load cell calibration method of claim 8, comprising moving and placing the head block and/or the jack with the hoist.
10. The buggy ladle load cell calibration method of claim 8, wherein said step of performing calibration comprises:
if the readings of the detection weighing instrument (1) and the detection weighing instrument (13) are within a set small error range, finishing calibration work;
and if the difference between the readings of the detection weighing instrument (1) and the detection weighing instrument (13) exceeds a set small error range, resetting the detection weighing instrument (1) according to the reading of the detection weighing instrument (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949169.1A CN113758554A (en) | 2021-08-18 | 2021-08-18 | Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949169.1A CN113758554A (en) | 2021-08-18 | 2021-08-18 | Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle |
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| CN113758554A true CN113758554A (en) | 2021-12-07 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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