CN112548547A - Sector hydraulic nut dismounting device and sector dismounting method - Google Patents
Sector hydraulic nut dismounting device and sector dismounting method Download PDFInfo
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- CN112548547A CN112548547A CN201910912094.2A CN201910912094A CN112548547A CN 112548547 A CN112548547 A CN 112548547A CN 201910912094 A CN201910912094 A CN 201910912094A CN 112548547 A CN112548547 A CN 112548547A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The sector hydraulic nut dismounting device comprises: the high-pressure electric pump is provided with a remote control receiver, a high-pressure oil outlet and a transmission line interface; the system comprises a transmission line, a digital display pressure gauge, a remote controller and a hydraulic pipeline; one end of the transmission line is connected to the digital display pressure gauge, and the other end of the transmission line is connected to the transmission line interface; one end of the hydraulic pipeline is connected with the high-pressure oil outlet, and the other end of the hydraulic pipeline is connected with a hydraulic pipe connector on the hydraulic nut; the remote controller is provided with a remote control transmitter which is communicated with a remote control receiver of the high-pressure electric pump. Realize opening the intelligence of high-pressure electric pump through controlling the remote controller and stop, and through setting up the pressure value of digital display manometer real-time observation manometer, make the pressure value of the hydraulic oil of staff accurate control input hydraulic nut, under the circumstances of guaranteeing quality and safety, can shorten construction period by a wide margin, guarantee construction safety, practice thrift the cost of labor, have good economic benefits and social.
Description
Technical Field
The invention relates to the field of continuous cast steel in the metallurgical industry, in particular to sector hydraulic nut dismounting equipment and a sector dismounting method.
Background
Compared with die casting, the continuous casting has advantages in the aspects of product yield and quality, and with the technical progress and rapid development of industries such as transportation, petrochemical industry, heavy machinery, ocean engineering, nuclear power and military industry and the like, higher technical requirements are put forward on the quality, performance, specification, size and the like of steel products, so that the development of the production process of wide and large-section continuous casting billets such as wide (extra) thick plates, large-section square (round) billets and the like and the equipment control technology is promoted.
The fan-shaped section is a key device in the continuous casting machine device, is arranged in a secondary cooling closed chamber of a main machine of the continuous casting machine, is positioned behind a direct guide section (section No. 0), and is used for supporting and guiding a casting blank or a dummy bar and cooling, bending, straightening, slightly pressing and the like the casting blank in the guiding process. The sector equipment mainly comprises an upper frame, a lower frame, a clamping device, a roll gap adjusting device, a free roll, a driving roll and the like. In the continuous casting machine equipment, the number of the equipment in the sector section is the largest, the weight ratio of the equipment is the largest, the capital investment is the largest, and the daily overhaul and maintenance amount is the largest.
The disassembly and assembly of the locknut during the replacement of the sector section is the most main construction task, the existing method is to place a hydraulic pump outside a secondary cooling closed chamber, and bring a hydraulic oil pipe into the position of a hydraulic pipe interface 10 (shown in figure 1) at the lower part of the locking nut 1 of the sector section to be replaced and installed for disassembling and assembling the locknut, and the operation has the following difficulties:
firstly, need arrange a celebrity specially when fan-shaped section lock nut's the dismouting and carry out the hydraulic pump operation, cause the waste of manpower resources.
Secondly, because the disassembly and assembly construction range of the locking nuts of the sector sections is large, the communication between replacement personnel inside the construction height difference of about 10 meters and hydraulic pump operators is difficult, the communication needs to be carried out by an interphone, and misoperation is caused by communication errors, so that potential safety hazards are formed.
Thirdly, the disassembly and assembly of the locking nut of the sector section requires more than two persons to carry out interactive operation, so that the replacement efficiency of the sector section is low.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a hydraulic nut dismounting device and a hydraulic nut dismounting method for a segment, which are used to solve the problems of the prior art that two or more persons are required to perform interactive operations during dismounting a locking nut for a segment, which results in wasted human resources, low replacement efficiency of the segment, and potential safety hazards are easily generated.
In order to achieve the above and other related objects, the present invention provides a hydraulic nut dismounting device for a segment, comprising at least:
the high-pressure electric pump is provided with a remote control receiver, a high-pressure oil outlet and a transmission line interface;
the system comprises a transmission line, a digital display pressure gauge, a remote controller and a hydraulic pipeline;
one end of the transmission line is connected to the digital display pressure gauge, and the other end of the transmission line is connected to the transmission line interface;
one end of the hydraulic pipeline is connected with the high-pressure oil outlet, and the other end of the hydraulic pipeline is connected with a hydraulic pipe connector on a hydraulic nut;
the remote controller is provided with a remote control transmitter which is communicated with the remote control receiver of the high-pressure electric pump.
Optionally, the hydraulic nut dismounting device for the sector section further comprises a pressure transmitter, wherein the digital display pressure gauge is connected with the pressure transmitter and is connected with one end of the transmission line through the pressure transmitter.
The invention also provides a sector disassembling and assembling method, which at least comprises the following steps:
1) construction preparation: the hoisting and fitter tools used in the operation process are well maintained;
2) installation of hydraulic nut dismouting equipment of fan-shaped section as above-mentioned arbitrary one: one end of a transmission line is connected to a transmission line interface of a high-pressure electric pump, one end of a hydraulic pipeline is connected to a high-pressure oil outlet, then the other end of the transmission line is connected with a digital display pressure gauge at the position where a hydraulic nut needs to be replaced, and the other end of the hydraulic pipeline is connected with a hydraulic pipe interface on the hydraulic nut;
3) dismantling the medium pipe and the universal shaft;
4) and (3) replacing the sector section: firstly, dismantling the hydraulic nut by using the hydraulic nut dismantling equipment for the sector section, then lifting the old sector section away, then lifting a new sector section in place, and finally locking the hydraulic nut by using the hydraulic nut dismantling equipment for the sector section;
5) installing a medium pipe and a universal shaft: firstly, mounting and fastening the medium pipe in place, and then mounting the universal shaft and the new sector section;
6) and measuring and adjusting the arc alignment and the roll gap of the new sector section.
Optionally, the method for detaching the hydraulic nut by using the segment hydraulic nut detaching and installing device in step 4) includes: and operating a remote controller to enable a remote control transmitter on the remote controller to send a starting signal, enabling a remote control receiver of the high-pressure electric pump to receive the starting signal, starting the high-pressure electric pump, observing that the pressure of a digital display pressure gauge reaches a preset pressure, operating the remote controller to enable the remote control transmitter on the remote controller to send a stopping signal, enabling the remote control receiver of the high-pressure electric pump to receive the stopping signal, stopping the high-pressure electric pump, and then removing the hydraulic nut.
Optionally, the step 4) of cleaning the foundation base of the segment after lifting the old segment and before lifting the new segment into position further comprises the step of cleaning the foundation base of the segment.
Optionally, the method for removing the medium pipe and the universal shaft in step 3) comprises: and (3) relieving pressure of various medium pipelines on the old sector section, correctly wearing a safety belt, confirming to stop the fire extinguisher, after confirming that the pressure point of a pressure gauge on various medium pipelines is zero, dismantling and marking the medium pipelines connected with the old sector section, cutting off the large universal shaft coupling connecting bolt by gas cutting, and removing inflammable substances before cutting off to prepare the fire extinguisher.
Optionally, step 1) the construction preparation further comprises the step of inspecting and mapping the spare parts.
Optionally, the arc alignment of the new segment in the step 6) is controlled within 0.5mm, and the accuracy of the roll gap measurement value is controlled within ± 0.5 mm.
Optionally, the step 6) is followed by a step of performing '5S' work and performing linkage test run.
As described above, according to the sector hydraulic nut dismounting device and the sector hydraulic nut dismounting method, the intelligent start and stop of the high-pressure electric pump are realized by operating the remote controller, and the pressure value of the pressure gauge is observed in real time by setting the digital display pressure gauge, so that the pressure value of the hydraulic oil input into the hydraulic nut is accurately controlled by workers.
Drawings
Figure 1 shows a schematic view of the installation of a segment lock nut.
Fig. 2 is a schematic diagram showing the components of the hydraulic nut dismounting device for a segment of the invention.
Fig. 3 shows an installation schematic diagram of the hydraulic nut dismounting device for the segment of the invention.
Description of the element reference numerals
1 locking nut
10 hydraulic pipe joint
2 high-pressure electric pump
20 remote control receiver
21 high-pressure oil outlet
22 transmission line interface
3 transmission line
4 digital display pressure gauge
5 remote controller
50 remote controller emitter
6 hydraulic pipeline
7 hydraulic nut
70 hydraulic pipe joint
8 pressure transmitter
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 2 and fig. 3. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Example one
As shown in fig. 2 and fig. 3, the present embodiment provides a hydraulic nut dismounting device for a segment, which includes:
the high-pressure electric pump 2 is provided with a remote control receiver 20, a high-pressure oil outlet 21 and a transmission line interface 22;
the system comprises a transmission line 3, a digital display pressure gauge 4, a remote controller 5 and a hydraulic pipeline 6;
one end of the transmission line 3 is connected to the digital display pressure gauge 4, and the other end of the transmission line 3 is connected to the transmission line interface 22;
one end of the hydraulic pipeline 6 is connected with the high-pressure oil outlet 21, and the other end of the hydraulic pipeline 6 is connected with a hydraulic pipe interface 70 on the hydraulic nut 7;
the remote controller 5 has a remote control transmitter 50, and the remote control transmitter 50 intercommunicates with the remote control receiver 20 of the high-pressure electric pump 2.
The fan-shaped section hydraulic nut dismouting equipment that this embodiment provided only needs a celebrity to carry out the process of hydraulic nut dismouting, opens through controlling the intelligence of remote controller realization to high-pressure electric pump and stops, and through setting up the pressure value of digital display manometer real-time observation manometer, makes the pressure value of the hydraulic oil of staff accurate control input hydraulic nut. Therefore, the sector hydraulic nut dismounting device provided by the embodiment can effectively avoid manpower resource waste of sector dismounting work, does not need multiple people to perform back and forth interaction in the working process, improves the replacement efficiency of the sector, and avoids misoperation caused by difficulty in communication in the multiple people interaction work, thereby resulting in potential safety hazards.
As an example, the hydraulic nut dismounting device for the sector section further comprises a pressure transmitter 8, and the digital display pressure gauge 4 is connected with the pressure transmitter 8 and is connected with one end of the transmission line 3 through the pressure transmitter 8. The pressure transmitter is connected to the digital display pressure gauge to convert the pressure value of the hydraulic oil into an electric signal or a pneumatic signal and transmit the electric signal or the pneumatic signal to the digital display pressure gauge, so that the digital display pressure gauge can correctly display the pressure value of the hydraulic oil.
Example two
As shown in fig. 3, the present embodiment provides a method for detaching a segment, which includes the steps of:
s1, construction preparation: the hoisting and fitter tools used in the operation process are well maintained;
s2, the installation of the hydraulic nut dismounting device for segment as in the first embodiment: firstly, connecting one end of a transmission line 3 to a transmission line interface 22 of a high-pressure electric pump 2, connecting one end of a hydraulic pipeline 6 to a high-pressure oil outlet 21, then connecting the other end of the transmission line 3 to a digital display pressure gauge 4 at the position where a hydraulic nut 7 needs to be replaced, and connecting the other end of the hydraulic pipeline 6 to a hydraulic pipe interface 70 on the hydraulic nut 7;
s3, dismantling the medium pipe and the universal shaft;
s4, segment replacement: firstly, dismantling the hydraulic nut 7 by using the hydraulic nut dismantling equipment for the sector section, then lifting the old sector section away, then lifting a new sector section in place, and finally locking the hydraulic nut by using the hydraulic nut dismantling equipment for the sector section;
s5, mounting a medium pipe and a universal shaft: firstly, mounting and fastening the medium pipe in place, and then mounting the universal shaft and the new sector section;
and S6, measuring and adjusting the arc and the roll gap of the new sector.
The sector section dismounting and mounting method provided by the embodiment is applied to the sector section online replacement and maintenance project, can greatly shorten the construction period under the condition of ensuring the quality and safety, ensures the construction safety, saves the labor cost, and has good economic and social benefits. The method for assembling and disassembling the sector section provided by the embodiment can shorten the repair time of 5 hours to 4 hours in practical application.
As an example, the construction preparation of step S1 further includes the step of inspecting and mapping the spare parts. The spare parts refer to the whole structure of the segment body to be replaced, and the problem of replacement and installation errors can be effectively prevented by inspecting and surveying the structure of the segment body to be replaced.
As an example, the method for dismounting the hydraulic nut 7 by using the segment hydraulic nut dismounting device in step S4 includes: the remote control 5 is controlled to enable the remote control emitter 50 on the remote control 5 to send out a starting signal, the remote control receiver 20 of the high-pressure electric pump 2 receives the starting signal, the high-pressure electric pump 2 is started, when the pressure of the digital display pressure gauge 4 is observed to reach the preset pressure, the remote control 5 is controlled to enable the remote control emitter 50 on the remote control 5 to send out a stopping signal, the remote control receiver 20 of the high-pressure electric pump 2 receives the stopping signal, the high-pressure electric pump 2 is stopped, and then the hydraulic nut 7 is detached. Of course, the hydraulic nut 7 is locked in the same way as it is removed.
As an example, the step of cleaning the foundation bed of the segment after lifting the old segment and before lifting the new segment into position in step S4 may be further included.
As an example, the method for removing the medium pipe and the universal shaft in step S3 includes: and (3) relieving pressure of various medium pipelines on the old sector section, correctly wearing a safety belt, confirming to stop the fire extinguisher, after confirming that the pressure point of a pressure gauge on various medium pipelines is zero, dismantling and marking the medium pipelines connected with the old sector section, cutting off the large universal shaft coupling connecting bolt by gas cutting, and removing inflammable substances before cutting off to prepare the fire extinguisher. Generally, two pressure gauges are arranged on the same pipeline on various medium pipelines, so that subsequent operation can be performed only after the pressure point of each pressure gauge is ensured to be zero. When the medium pipelines connected with the old fan-shaped sections are marked when being dismantled, the medium pipelines can be conveniently installed and fastened in place only by the marks during installation.
By way of example, the new segment pair arc in step S6 is controlled to within 0.5mm, and the roll gap measurement accuracy is controlled to within ± 0.5 mm.
As an example, the step S6 is followed by a step of performing a "5S" work and performing a linked trial run.
In conclusion, the sector hydraulic nut dismounting device and the sector hydraulic nut dismounting method provided by the invention have the advantages that the intelligent start and stop of the high-pressure electric pump are realized by operating the remote controller, and the pressure value of the pressure gauge is observed in real time by setting the digital display pressure gauge, so that the pressure value of the hydraulic oil input into the hydraulic nut is accurately controlled by workers, the construction period can be greatly shortened under the condition of ensuring the quality and the safety, the construction safety is ensured, the labor cost is saved, and the sector hydraulic nut dismounting device and the sector hydraulic nut dismounting method have good economic benefits and social benefits. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a fan-shaped section hydraulic nut dismouting equipment which characterized in that, fan-shaped section hydraulic nut dismouting equipment includes at least:
the high-pressure electric pump is provided with a remote control receiver, a high-pressure oil outlet and a transmission line interface;
the system comprises a transmission line, a digital display pressure gauge, a remote controller and a hydraulic pipeline;
one end of the transmission line is connected to the digital display pressure gauge, and the other end of the transmission line is connected to the transmission line interface;
one end of the hydraulic pipeline is connected with the high-pressure oil outlet, and the other end of the hydraulic pipeline is connected with a hydraulic pipe connector on a hydraulic nut;
the remote controller is provided with a remote control transmitter which is communicated with the remote control receiver of the high-pressure electric pump.
2. The segment hydraulic nut dismounting device according to claim 1, characterized in that: sector hydraulic nut dismouting equipment still includes pressure transmitter, the digital display manometer with pressure transmitter connects, and passes through pressure transmitter with the one end of transmission line is connected.
3. A method for disassembling and assembling a sector, characterized by comprising at least the steps of:
1) construction preparation: the hoisting and fitter tools used in the operation process are well maintained;
2) the installation of the hydraulic nut dismounting device for the fan-shaped sections according to any one of claims 1-2: one end of a transmission line is connected to a transmission line interface of a high-pressure electric pump, one end of a hydraulic pipeline is connected to a high-pressure oil outlet, then the other end of the transmission line is connected with a digital display pressure gauge at the position where a hydraulic nut needs to be replaced, and the other end of the hydraulic pipeline is connected with a hydraulic pipe interface on the hydraulic nut;
3) dismantling the medium pipe and the universal shaft;
4) and (3) replacing the sector section: firstly, dismantling the hydraulic nut by using the hydraulic nut dismantling equipment for the sector section, then lifting the old sector section away, then lifting a new sector section in place, and finally locking the hydraulic nut by using the hydraulic nut dismantling equipment for the sector section;
5) installing a medium pipe and a universal shaft: firstly, mounting and fastening the medium pipe in place, and then mounting the universal shaft and the new sector section;
6) and measuring and adjusting the arc alignment and the roll gap of the new sector section.
4. The segment disassembly and assembly method of claim 3, wherein the method of disassembling the hydraulic nut using the segment hydraulic nut disassembly and assembly device in step 4) comprises: and operating a remote controller to enable a remote control transmitter on the remote controller to send a starting signal, enabling a remote control receiver of the high-pressure electric pump to receive the starting signal, starting the high-pressure electric pump, observing that the pressure of a digital display pressure gauge reaches a preset pressure, operating the remote controller to enable the remote control transmitter on the remote controller to send a stopping signal, enabling the remote control receiver of the high-pressure electric pump to receive the stopping signal, stopping the high-pressure electric pump, and then removing the hydraulic nut.
5. The segment disassembly and assembly method of claim 3, wherein: and 4) cleaning the base of the sector after the old sector is lifted away and before the new sector is lifted in place.
6. The segment attaching and detaching method according to claim 3, wherein the removing method of the medium pipe and the universal shaft in step 3) comprises: and (3) relieving pressure of various medium pipelines on the old sector section, correctly wearing a safety belt, confirming to stop the fire extinguisher, after confirming that the pressure point of a pressure gauge on various medium pipelines is zero, dismantling and marking the medium pipelines connected with the old sector section, cutting off the large universal shaft coupling connecting bolt by gas cutting, and removing inflammable substances before cutting off to prepare the fire extinguisher.
7. The segment disassembly and assembly method of claim 3, wherein: step 1) the construction preparation further comprises the step of inspecting and mapping the spare parts.
8. The segment disassembly and assembly method of claim 3, wherein: and 6), arc alignment of the new sector section is controlled within 0.5mm, and the precision of the measured value of the roll gap is controlled within +/-0.5 mm.
9. The segment disassembly and assembly method of claim 3, wherein: and 6) after the step, the step of performing 5S work and performing linkage test run is also included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910912094.2A CN112548547A (en) | 2019-09-25 | 2019-09-25 | Sector hydraulic nut dismounting device and sector dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910912094.2A CN112548547A (en) | 2019-09-25 | 2019-09-25 | Sector hydraulic nut dismounting device and sector dismounting method |
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| Publication Number | Publication Date |
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| CN112548547A true CN112548547A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910912094.2A Pending CN112548547A (en) | 2019-09-25 | 2019-09-25 | Sector hydraulic nut dismounting device and sector dismounting method |
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Application publication date: 20210326 |