CN113976871A - Stopper rod replacing device - Google Patents
Stopper rod replacing device Download PDFInfo
- Publication number
- CN113976871A CN113976871A CN202111389165.9A CN202111389165A CN113976871A CN 113976871 A CN113976871 A CN 113976871A CN 202111389165 A CN202111389165 A CN 202111389165A CN 113976871 A CN113976871 A CN 113976871A
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- China
- Prior art keywords
- lifting
- locking
- self
- stopper rod
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
- B22D41/20—Stopper-rod operating equipment
Abstract
The invention provides a stopper rod replacing device, which relates to the field of metallurgy and comprises: the stopper rod bracket is used for mounting the stopper rod body and comprises a lifting sleeve; the lifting components comprise at least two groups, and each group of lifting components is matched with the lifting sleeve; the locking replacement assembly comprises a lifting mechanism and a self-locking mechanism, and the lifting mechanism can enable the self-locking mechanism to be switched between an open state and a closed state. According to the stopper rod replacing device provided by the invention, a standby stopper rod is suspended to a high position through the lifting assembly; when the stopper rod needs to be replaced, the lifting mechanism is started to open the self-locking mechanism to lift out the damaged stopper rod through the lifting assembly; simultaneously, another group's lifting unit falls the minimum with reserve stopper rod support, opens hoist mechanism and opens the lift cover cooperation of self-locking mechanism and stopper rod support and realize closed locking, makes reserve stopper rod work, realizes that the quick replacement of stopper rod guarantees tundish continuous casting, improves casting efficiency, guarantees personnel's safety simultaneously.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a stopper rod replacing device.
Background
The tundish is a refractory vessel used in short-run steelmaking, and receives molten steel poured from a ladle first, and then distributes the molten steel to each crystallizer through a tundish nozzle. The stopper rod is a refractory material rod which is arranged in a steel barrel and controls the opening and closing of a water gap and the flow of molten steel by lifting displacement, and is also called a ceramic stopper rod. It consists of a rod core, sleeve bricks and stopper bricks.
With the mature application of the continuous casting technology of the dissimilar steel and the progress of the continuous casting process management, the service life requirement of the continuous casting tundish is higher; the continuous casting service life of the single tundish reaches more than 100 hours. At this moment, the integral stopper rod for controlling the flow cannot control the flow injection speed due to the erosion loss of the slag line and the rod breakage or the erosion loss of the rod head, and is forced to stop pouring to cause the interruption of the pouring, so that the pouring efficiency is influenced, and meanwhile, the manual replacement technology is adopted for the conventional replacement of the stopper rod, so that certain risks are realized.
Disclosure of Invention
The invention provides a stopper rod replacing device, which is used for solving the defect that the replacement of a stopper rod in the prior art cannot meet the requirement of continuous long-time work of a tundish, so that the casting efficiency is low, and realizing the rapid replacement of the stopper rod, thereby meeting the requirement of continuous long-time work of the tundish, improving the casting efficiency and ensuring the personnel safety in the replacement process.
The invention provides a stopper rod replacing device, comprising:
the stopper rod bracket is used for mounting the stopper rod body, the distance between the stopper rod body and the steel tapping hole can be adjusted by the stopper rod bracket, and the stopper rod bracket comprises a lifting sleeve;
the lifting assemblies comprise at least two groups, and each group of lifting assemblies is matched with the lifting sleeve and can lift the stopper rod bracket;
the locking replacement assembly comprises a lifting mechanism and a self-locking mechanism, the lifting mechanism can enable the self-locking mechanism to be switched between an open state and a closed state, and the self-locking mechanism is separated from the lifting sleeve in the open state so that the stopper rod bracket is matched with the lifting assembly; in a closed state, the self-locking mechanism is locked with the lifting sleeve, so that the stopper rod bracket is separated from the lifting assembly;
wherein, every group lifting unit corresponds a set of locking and changes the subassembly.
According to the stopper rod replacing device provided by the invention, the stopper rod replacing device further comprises a rotating assembly, wherein the rotating assembly is arranged between the lifting assembly and the locking replacing assembly, and the rotating assembly can enable the lifting assembly and the stopper rod bracket to rotate relative to the locking replacing assembly.
According to the stopper rod replacing device provided by the invention, the lifting assembly comprises a first driving mechanism and a lifting rod, the first driving mechanism drives the lifting rod to rotate,
wherein, the lifting sleeve is in threaded fit with the lifting rod.
According to the stopper rod replacing device provided by the invention, the lifting sleeve comprises a self-locking limiting table and an inner hole penetrating through the lifting sleeve, the inner hole comprises a thread section and smooth sections arranged above and below the thread section,
the thread section is matched with the lifting rod, and the self-locking limiting table is matched and locked with the self-locking mechanism.
According to the stopper rod replacing device provided by the invention, the self-locking mechanism comprises a self-locking connecting rod, a self-locking releasing claw and an elastic piece, the elastic piece is arranged between the self-locking releasing claws and is used for opening the self-locking releasing claw in the opening state, the self-locking releasing claw is hinged on the self-locking connecting rod,
the self-locking release claw is matched and locked with the self-locking limiting table in the closed state, and the self-locking connecting rod is connected with the lifting mechanism.
According to the stopper rod replacing device provided by the invention, the rotating assembly comprises a second driving mechanism and a transmission mechanism, a driving part of the transmission mechanism is arranged on the second driving mechanism, a driven part of the transmission mechanism is arranged on the lifting assembly,
the second driving mechanism drives the transmission mechanism to drive the lifting assembly and the stopper rod bracket to rotate.
According to the stopper rod replacing device provided by the invention, the rotating assembly further comprises an outer sleeve and an inner sleeve, the inner sleeve is connected with the outer sleeve, the second driving mechanism is connected with the outer sleeve, one end of the lifting assembly is arranged between the outer sleeve and the inner sleeve, the lifting assembly can rotate relative to the outer sleeve and the inner sleeve,
the self-locking mechanism is arranged in the inner sleeve and can lift and fall relative to the inner sleeve.
According to the stopper rod replacing device provided by the invention, the lifting mechanism comprises a gear shaft, a gear disc, a mounting seat and a mounting sliding sleeve, one end of the gear shaft is arranged in the mounting sliding sleeve and can linearly move along the mounting sliding sleeve, the other end of the gear shaft is connected with the self-locking mechanism, the mounting seat is mounted on the outer wall of the mounting sliding sleeve, the gear disc is hinged on the mounting seat,
the fluted disc is meshed with the toothed shaft, and the toothed disc rotates around a hinged point of the mounting seat, so that the fluted disc drives the self-locking mechanism to lift and fall.
According to the stopper rod replacing device provided by the invention, the locking replacing assembly comprises a locking shell, a fine adjusting assembly is arranged in the locking shell, and the fine adjusting assembly can adjust the distance between the stopper rod body and the steel outlet hole under the locking state of the self-locking mechanism and the lifting sleeve.
According to the stopper rod replacing device provided by the invention, the locking replacing assembly comprises a mounting shell and a sliding roller, the locking shell is arranged in the mounting shell, the sliding roller is arranged between the mounting shell and the locking shell, and the sliding roller can enable the locking shell and the mounting shell to be in rolling contact.
According to the stopper rod replacing device provided by the invention, the standby stopper rod is prepared at any moment by preparing at least two groups of stopper rod replacing devices, and the standby stopper rod is suspended to a high position through the lifting assembly so as to reduce the occupation of space; when the stopper rod needs to be replaced, the lifting mechanism is started to open the self-locking mechanism to lift out the damaged stopper rod through the lifting assembly; simultaneously, another group of lifting unit falls reserve stopper stick support to the minimum, opens hoist mechanism and opens self-locking mechanism, and self-locking mechanism realizes closed locking with the lift cover cooperation of stopper stick support, makes reserve stopper stick work, realizes the quick replacement of stopper stick, and two sets of stopper stick fast switch-over need not to stop annotating, and package continuous casting in the middle of guaranteeing improves casting efficiency, guarantees personnel's safety simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a stopper rod changing device provided by the present invention;
FIG. 2 is a schematic structural view of a stopper rod holder provided by the present invention;
FIG. 3 is a cross-sectional view of the self-locking mechanism of the present invention in a state of being engaged with the lifting sleeve;
FIG. 4 is a schematic view of a lock change assembly provided by the present invention;
fig. 5 is a schematic structural diagram of a rotating assembly provided by the invention.
Reference numerals:
100: a stopper rod support; 101: a stopper body; 102: a support beam;
103: installing a screw rod; 104: adjusting the screw rod; 105: adjusting the threaded sleeve;
106: a lifting sleeve; 107: a self-locking limit table;
200: a lifting assembly; 201: a first drive mechanism; 202: a lifting rod;
203: a lifting sleeve; 204: a sliding slot opening;
300: a rotating assembly; 301: a rotating gear; 302: a drive gear;
303: a second drive mechanism; 304: a jacket; 305: an inner sleeve;
400: locking the replacement component; 401: locking the housing; 402: a self-locking mechanism;
403: a self-locking release pawl; 404: a self-locking connecting rod; 405: a sliding roller;
406: a telescopic cylinder; 407: a telescopic rod; 408: a first mounting seat;
409: a second mounting seat; 410: a lifting mechanism; 411: a gear shaft;
412: a fluted disc; 413: installing a sliding sleeve; 414: a mounting seat;
420: an elastic member; 430: installing a shell; 500: a work box body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present 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.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Embodiments of the present invention will be described below with reference to fig. 1 to 5. It is to be understood that the following description is only exemplary embodiments of the present invention and is not intended to limit the present invention.
The present invention as shown in fig. 1 provides a stopper rod replacing device comprising: stopper rod holder 100, lifting assembly 200 and lock change assembly 400. Wherein:
the stopper rod bracket 100 is used for installing a stopper rod body 101, the stopper rod bracket 100 can adjust the distance between the stopper rod body 101 and a steel tapping hole, and the stopper rod bracket 100 comprises a lifting sleeve 106; in particular, the stopper rod holder 100 may adjust the distance between the stopper rod body 101 and the lifting assembly 200.
In an alternative embodiment of the invention, as shown in fig. 2, the stopper rod bracket 100 comprises a supporting beam 102, a mounting screw 103 and a distance adjusting mechanism, wherein one end of the supporting beam 102 is mounted on the lifting sleeve 106, and the other end is connected with the mounting screw 103; one end of the mounting screw 103 penetrates through the support beam 102 to be connected with the stopper rod body 101, the other end of the mounting screw is connected with one end of the distance adjusting mechanism, the other end of the distance adjusting mechanism is mounted at one end, close to the lifting sleeve 106, of the support beam 102, and the length of the distance adjusting mechanism is adjustable. The mounting screw 103 can move along the length direction of the support beam 102 to drive the stopper body 101 to move, so as to adjust the distance between the stopper body 101 and the steel outlet. Fastening bolts may be installed above and below the installation screw 103 to fix the stopper body 101 to a predetermined position of the support beam 102.
For example, an open mounting opening with a certain length is opened at one end of the support beam 102 away from the lifting sleeve 106, and the mounting screw 103 moves in the mounting opening to adjust the position of the stopper rod body 101. In addition, the distance adjusting mechanism comprises an adjusting screw 104 and an adjusting threaded sleeve 105, one end of the adjusting threaded sleeve 105 is mounted at one end of the support beam 102 close to the lifting sleeve 106, and the other end of the adjusting threaded sleeve 105 is in threaded fit with the adjusting screw 104 to achieve stretching. One end of the adjusting screw 104 is connected to the mounting screw 103. The adjustment screw 104 and the mounting screw 103 may be threadedly coupled.
The lifting assemblies 200, including at least two sets, each set of lifting assemblies 200 cooperating with the lifting sleeve 106 to enable the stopper rod holder 100 to be lifted. Specifically, a set of lift assemblies 200 mount a set of stopper rod holders 100. The stopper bodies 101 of one or several groups of stopper rod holders 100 are used in a tundish, while the stopper bodies 101 of other groups of stopper rod holders 100 are used as spares.
With continued reference to fig. 2, in one embodiment of the present invention, the lifting assembly 200 includes a first driving mechanism 201 and a lifting rod 202, the first driving mechanism 201 drives the lifting rod 202 to rotate, wherein the lifting sleeve 106 is threadedly engaged with the lifting rod 202. That is, the first driving mechanism 201 drives the lifting rod 202 to rotate, so as to drive the lifting sleeve 106 to move linearly on the lifting rod 202.
Further, the lifting assembly 200 comprises a lifting sleeve 203, a sliding notch 204 is formed in the axial direction of the lifting sleeve 203, the lifting sleeve 106 passes through the sliding notch 204 to be matched with the lifting rod 202, the lifting rod 202 is arranged in the lifting sleeve 203, the first driving mechanism 201 is arranged at one end of the lifting sleeve 203, and the other end of the lifting sleeve 203 is connected with the locking replacement assembly 400.
In another embodiment of the present invention, as shown in fig. 3, the lifting sleeve 106 includes a self-locking position-limiting table 107 and an inner hole penetrating through the lifting sleeve 106, the inner hole includes a threaded section and smooth sections disposed above and below the threaded section, wherein the threaded section is engaged with the lifting rod 202, and the self-locking position-limiting table 107 is engaged and locked with the self-locking mechanism 402.
Specifically, the self-locking limiting table 107 is arranged below the lifting sleeve 106, and an inner hole penetrates through the self-locking limiting table 107, wherein a thread section is formed in the middle of the inner hole and is used for being in thread fit with the lifting rod 202. The upper and lower portions of the threaded section of the internal bore are smooth sections, i.e., the smooth sections are not threaded, in other words, only the smooth sections of the lifter 202 passing through the upper portion of the internal bore can contact the threaded section.
That is, when the lifting sleeve 106 descends to the extreme end of the lifting rod 202, at this time, the lifting mechanism 410 pushes the self-locking mechanism 402 to ascend, so that the self-locking mechanism 402 is opened to be matched with the self-locking limit table 107, then the lifting mechanism 410 drops the self-locking mechanism 402, the self-locking mechanism 402 is closed to lock the self-locking limit table 107, the threaded section of the lifting sleeve 106 is completely separated from the lifting rod 202, and then the separation of the stopper rod support 100 and the lifting assembly 200 is realized.
The locking replacement assembly 400 comprises a lifting mechanism 410 and a self-locking mechanism 402, wherein the lifting mechanism 410 can enable the self-locking mechanism 402 to be switched between an open state and a closed state, and in the open state, the self-locking mechanism 402 is separated from the lifting sleeve 106, so that the stopper rod bracket 100 is matched with the lifting assembly 200; in the closed state, the self-locking mechanism 402 locks with the lifting sleeve 106, disengaging the stopper rod holder 100 from the lifting assembly 200. Wherein, each group of lifting assemblies 200 corresponds to a group of locking replacement assemblies 400.
Specifically, in the condition that the stopper rod needs to be replaced, as shown in fig. 1, the stopper rod comprises at least one group of stopper rod brackets 100 which need to be replaced by the stopper rod body 101 in use and at least one group of spare stopper rod brackets 100. In the stopper rod bracket 100 of the stopper rod body 101 to be replaced, the self-locking limit table 107 and the self-locking mechanism 402 on the lifting sleeve 106 are locked in the working state as shown in fig. 3. The lifting mechanism 410 opens the self-locking mechanism 402, and when the self-locking mechanism 402 opens, the self-locking mechanism 402 rises to push the lifting sleeve 106 upward. At this time, the threaded section of the lifting sleeve 106 contacts with the lifting rod 202, the first driving mechanism 201 is turned on, and the lifting rod 202 is engaged with the threaded section, so that the lifting sleeve 106 drives the stopper rod bracket 100 to ascend, thereby disengaging the stopper rod bracket 100 from the self-locking mechanism 402, i.e., disengaging the stopper rod bracket 100 from the locking replacement assembly 400.
At the same time, the standby stopper rod holder 100 lowers the lifting sleeve 106 to the lowermost portion of the lifting rod 202 by the first driving mechanism 201. The lifting mechanism 410 opens the self-locking mechanism 402, and when the self-locking mechanism 402 opens, the self-locking mechanism 402 rises, and the self-locking limit table 107 of the lifting sleeve 106 is placed in the self-locking mechanism 402. The lifting mechanism 410 is again activated, and the lifting mechanism 410 closes the self-locking mechanism 402 and simultaneously drives the self-locking mechanism 402 to fall. The lift sleeve 106 is disengaged from the lift rod 202, thereby disengaging the stopper rod holder 100 from the lift assembly 200 and engaging the stopper rod holder 100 with the locking exchange assembly 400.
As shown in fig. 3 and 4, in an alternative embodiment of the present invention, the self-locking mechanism 402 includes a self-locking connecting rod 404, a self-locking releasing claw 403, and an elastic member 420, the elastic member 420 is installed between the self-locking releasing claws 403 for opening the self-locking releasing claw 403 in an open state, the self-locking releasing claw 403 is hinged on the self-locking connecting rod 404, wherein the self-locking releasing claw 403 is locked with the self-locking limiting table 107 in a closed state, and the self-locking connecting rod 404 is connected with the lifting mechanism 410.
In this embodiment, two self-locking releasing claws 403 are included, and an elastic member 420 is connected between the two self-locking releasing claws 403, wherein the elastic member 420 can be a spring, a hinge rod is arranged on the self-locking connecting rod 404, and the two self-locking releasing claws 403 are hinged at two ends of the hinge rod.
With continued reference to FIG. 4, in one embodiment of the present invention, the lock exchange assembly 400 includes a lock housing 401, and more specifically, the lock housing 401 is connected at one end to a self-locking connecting rod 404 and at the other end to a lifting mechanism 410. A fine adjustment assembly is arranged in the locking housing 401, and when the self-locking mechanism 402 and the lifting sleeve 106 are locked, that is, the self-locking release claw 403 and the self-locking limit table 107 are locked, and the lifting mechanism 410 falls down. The distance between the stopper rod body 101 and the steel outlet hole can be adjusted by the fine adjustment assembly.
Referring to fig. 3 and 4, in another embodiment of the present invention, the locking exchange assembly 400 includes a mounting housing 430 and a slide roller 405, the locking housing 401 is disposed in the mounting housing 430, the slide roller 405 is disposed between the mounting housing 430 and the locking housing 401, and the slide roller 405 enables the locking housing 401 and the mounting housing 430 to be in rolling contact.
Further, the lifting mechanism 410 pushes the lock housing 401 to ascend, and further pushes the self-locking mechanism 402 to ascend and to open the self-locking releasing claws 403. The lock housing 401 is provided with a slide roller 405, and during the process of lifting the lock housing 401, the lock housing 401 moves upward relative to the mounting housing 430, and the lock housing 401 rolls relative to the mounting housing 430 under the action of the slide roller 405. Similarly, the lifting mechanism 410 drives the locking housing 401 to descend, the locking of the self-locking releasing claw 403 and the self-locking limiting table 107 is completed, the locking housing 401 moves downwards relative to the mounting housing 430, and under the action of the sliding roller 405, the locking housing 401 rolls relative to the mounting housing 430.
For the fine adjustment assembly of the present invention, the fine adjustment assembly includes a telescopic cylinder 406, a first mounting seat 408 and a second mounting seat 409, the first mounting seat 408 is installed in the cavity of the locking housing 401, the second mounting seat 409 is installed on the mounting housing 430, the cylinder body of the telescopic cylinder 406 is connected with the first mounting seat 408, and the telescopic rod 407 of the telescopic cylinder 406 is connected with the second mounting seat 409. The locking housing 401 moves relative to the mounting housing 430 and rolls relative thereto when pushed by the telescoping rod 407 of the telescoping cylinder 406. For example, the lock housing 401 includes a back plate, a slide roller 405 is disposed between the back plate and the mounting housing 430, and the first mounting seat 408 is mounted on the back plate. A limit opening is formed at one side of the back plate close to the lifting mechanism 410, and the second mounting seat 409 penetrates through the limit opening to be connected with the telescopic rod 407. The height of the limit opening limits the distance of movement of the lock housing 401 and the mounting housing 430. The limit of the fine adjustment assembly for adjusting the distance between the stopper rod body 101 and the steel outlet hole is limited.
In some embodiments of the present invention, the mounting case 430 is mounted on the work box 500 of the tundish.
In an alternative embodiment of the invention, as shown in figure 5, the stopper rod changing device further comprises a rotating assembly 300, the rotating assembly 300 being mounted between the lifting assembly 200 and the locking changing assembly 400, the rotating assembly 300 being capable of rotating the lifting assembly 200 and the stopper rod holder 100 relative to the locking changing assembly 400. Facilitating angling of the stopper rod to be replaced within the lifting assembly 200. The rotating assembly 300 enables the stopper to be transplanted to the outer side of the tundish, improves the manual stopper replacing operation environment, and can realize online stopper baking.
Specifically, in other alternative embodiments of the present invention, the rotating assembly 300 includes a second driving mechanism 303 and a transmission mechanism, wherein a driving member of the transmission mechanism is mounted on the second driving mechanism 303, and a driven member of the transmission mechanism is mounted on the lifting assembly 200. Wherein, the second driving mechanism 303 drives the transmission mechanism to drive the lifting assembly 200 and the stopper rod bracket 100 to rotate.
For example, the transmission mechanism may be a gear transmission, a belt transmission, or the like. Therefore, the driving member may be a rotary gear 301, the driven member may be a driving gear 302, and the second driving mechanism 303 may be a speed reducer. The reducer drives the rotating gear 301 to rotate, and the rotating gear 301 is meshed with the driving gear 302, so as to drive the driving gear 302 to rotate, and further drive the lifting assembly 200 to rotate. The lifting assembly 200 drives the stopper rod bracket 100 to rotate, so that the angle adjustment is realized. In another alternative embodiment of the present invention, the rotating assembly 300 further comprises an outer sleeve 304 and an inner sleeve 305, the inner sleeve 305 is connected to the outer sleeve 304, the second driving mechanism 303 is connected to the outer sleeve 304, one end of the lifting assembly 200 is disposed between the outer sleeve 304 and the inner sleeve 305, and the lifting assembly 200 can rotate relative to the outer sleeve 304 and the inner sleeve 305. Wherein the self-locking mechanism 402 is disposed in the inner housing 305 and is capable of lifting and dropping relative to the inner housing 305.
Further, the follower of the transmission mechanism is connected to the lifting sleeve 203 of the lifting assembly 200, and the second driving mechanism 303 is connected to the outer sleeve 304 and the inner sleeve 305, and an end of the lifting sleeve 203 is located between the outer sleeve 304 and the inner sleeve 305. The elevator sleeve 203 rotates relative to the outer sleeve 304 and the inner sleeve 305. For example, a bearing is provided between the lifting sleeve 203 and the outer sleeve 304. The self-locking mechanism 402 moves up and down within the inner housing 305.
As shown in fig. 3, in the opened state, the lifting mechanism 410 drives the locking housing 401 to ascend, thereby driving the self-locking mechanism 402 to ascend, the self-locking releasing claw 403 of the self-locking mechanism 402 is pushed out of the inner sleeve 305, the self-locking releasing claw 403 is opened under the action of the elastic member 420, and the self-locking limiting table 107 is placed in the self-locking releasing claw 403. The lifting mechanism 410 is started again to drive the locking shell 401 to descend, so as to drive the self-locking mechanism 402 to descend, the self-locking releasing claw 403 is pulled back into the inner sleeve 305, and the self-locking releasing claw 403 is closed to complete the locking of the self-locking releasing claw 403 and the self-locking limiting table 107.
For the rotating assembly 300, in a state that the self-locking releasing claw 403 is locked with the self-locking limiting table 107, the rotating assembly 300 does not perform angle adjustment on the stopper rod bracket 100.
As shown in fig. 4, for the lifting mechanism 410 of the present invention, in an alternative embodiment of the present invention, the lifting mechanism 410 includes a toothed shaft 411, a toothed disc 412, a mounting seat 414 and a mounting sleeve 413, one end of the toothed shaft 411 is disposed in the mounting sleeve 413 and can move linearly along the mounting sleeve 413, the other end is connected to the self-locking mechanism 402, the mounting seat 414 is mounted on an outer wall of the mounting sleeve 413, and the toothed disc 412 is hinged on the mounting seat 414. The fluted disc 412 is engaged with the tooth shaft 411, and the fluted disc 412 rotates around the hinge point of the mounting base 414, so that the fluted disc 412 drives the self-locking mechanism 402 to lift and fall.
Specifically, the gear shaft 411 and the gear plate 412 are provided with teeth that are engaged with each other for transmission, and the gear plate 412 drives the gear shaft 411 to move upward or downward when rotating around a hinge point, so as to realize the lifting and falling of the self-locking mechanism 402. The lifting or self-locking mechanism 402 is in an open state, and the falling or self-locking mechanism 402 is in a closed state. In addition, one end of the gear shaft 411 is connected with the locking housing 401, the locking housing 401 is connected with the self-locking mechanism 402, and the other end of the gear shaft 411 is installed in the installation sliding sleeve 413. The mounting sleeve 413 is connected to the mounting housing 430, and one end of the mounting seat 414 is mounted on the mounting sleeve 413, and the other end is hinged to the fluted disc 412.
According to the stopper rod replacing device provided by the invention, the standby stopper rod is prepared at any moment by preparing at least two groups of stopper rod replacing devices, and the standby stopper rod is suspended to a high position through the lifting assembly so as to reduce the occupation of space; when the stopper rod needs to be replaced, the lifting mechanism is started to open the self-locking mechanism to lift out the damaged stopper rod through the lifting assembly; simultaneously, another group of lifting unit falls reserve stopper stick support to the minimum, opens hoist mechanism and opens self-locking mechanism, and self-locking mechanism realizes closed locking with the lift cover cooperation of stopper stick support, makes reserve stopper stick work, realizes the quick replacement of stopper stick, and two sets of stopper stick fast switch-over need not to stop annotating, and package continuous casting in the middle of guaranteeing improves casting efficiency, guarantees personnel's safety simultaneously.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A stopper rod changing device, comprising:
the stopper rod bracket is used for mounting the stopper rod body, the distance between the stopper rod body and the steel tapping hole can be adjusted by the stopper rod bracket, and the stopper rod bracket comprises a lifting sleeve;
the lifting assemblies comprise at least two groups, and each group of lifting assemblies is matched with the lifting sleeve and can lift the stopper rod bracket;
the locking replacement assembly comprises a lifting mechanism and a self-locking mechanism, the lifting mechanism can enable the self-locking mechanism to be switched between an open state and a closed state, and the self-locking mechanism is separated from the lifting sleeve in the open state so that the stopper rod bracket is matched with the lifting assembly; in a closed state, the self-locking mechanism is locked with the lifting sleeve, so that the stopper rod bracket is separated from the lifting assembly;
wherein, every group lifting unit corresponds a set of locking and changes the subassembly.
2. The stopper rod changing device of claim 1, further comprising a rotating assembly mounted between the lifting assembly and the lock changing assembly, the rotating assembly being capable of rotating the lifting assembly and the stopper rod holder relative to the lock changing assembly.
3. Stopper rod changing device according to claim 1, wherein the lifting assembly comprises a first drive mechanism and a lifting rod, the first drive mechanism driving the lifting rod in rotation,
wherein, the lifting sleeve is in threaded fit with the lifting rod.
4. The stopper rod replacing device according to claim 3, wherein the lifting sleeve comprises a self-locking stop and an inner bore extending through the lifting sleeve, the inner bore comprising a threaded section and smooth sections disposed above and below the threaded section,
the thread section is matched with the lifting rod, and the self-locking limiting table is matched and locked with the self-locking mechanism.
5. Stopper rod changing device according to claim 4, wherein the self-locking mechanism comprises a self-locking connecting rod, a self-locking releasing claw and an elastic member, the elastic member being mounted between the self-locking releasing claws for opening the self-locking releasing claw in the expanded state, the self-locking releasing claw being hinged on the self-locking connecting rod,
the self-locking release claw is matched and locked with the self-locking limiting table in the closed state, and the self-locking connecting rod is connected with the lifting mechanism.
6. Stopper rod changing device according to claim 2, wherein the rotating assembly comprises a second drive mechanism and a transmission mechanism, a driving member of the transmission mechanism being mounted on the second drive mechanism and a driven member of the transmission mechanism being mounted on the lifting assembly,
the second driving mechanism drives the transmission mechanism to drive the lifting assembly and the stopper rod bracket to rotate.
7. The stopper rod changing device according to claim 6, wherein the rotating member further comprises an outer sleeve and an inner sleeve, the inner sleeve being connected to the outer sleeve, the second driving mechanism being connected to the outer sleeve, one end of the elevating member being interposed between the outer sleeve and the inner sleeve, the elevating member being capable of rotating relative to the outer sleeve and the inner sleeve,
the self-locking mechanism is arranged in the inner sleeve and can lift and fall relative to the inner sleeve.
8. The stopper rod replacing device according to claim 1, wherein the lifting mechanism comprises a gear shaft, a gear disc, a mounting seat and a mounting sliding sleeve, one end of the gear shaft is arranged in the mounting sliding sleeve and can move linearly along the mounting sliding sleeve, the other end of the gear shaft is connected with the self-locking mechanism, the mounting seat is mounted on the outer wall of the mounting sliding sleeve, the gear disc is hinged on the mounting seat,
the fluted disc is meshed with the toothed shaft, and the toothed disc rotates around a hinged point of the mounting seat, so that the fluted disc drives the self-locking mechanism to lift and fall.
9. The stopper rod replacing device according to claim 1, wherein the locking replacing assembly comprises a locking shell, a fine adjusting assembly is arranged in the locking shell, and the fine adjusting assembly can adjust the distance between the stopper rod body and the steel outlet hole when the self-locking mechanism and the lifting sleeve are locked.
10. The stopper rod changing device of claim 9, wherein the locking change assembly comprises a mounting housing and a slide roller, the locking housing being disposed within the mounting housing, the slide roller being disposed between the mounting housing and the locking housing, the slide roller enabling rolling contact between the locking housing and the mounting housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389165.9A CN113976871A (en) | 2021-11-22 | 2021-11-22 | Stopper rod replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389165.9A CN113976871A (en) | 2021-11-22 | 2021-11-22 | Stopper rod replacing device |
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| Publication Number | Publication Date |
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| CN113976871A true CN113976871A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111389165.9A Pending CN113976871A (en) | 2021-11-22 | 2021-11-22 | Stopper rod replacing device |
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| CN (1) | CN113976871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11931797B1 (en) * | 2022-12-23 | 2024-03-19 | Zhejiang Hailiang Co., Ltd. | Double-acting switch valve |
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2021
- 2021-11-22 CN CN202111389165.9A patent/CN113976871A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11931797B1 (en) * | 2022-12-23 | 2024-03-19 | Zhejiang Hailiang Co., Ltd. | Double-acting switch valve |
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Inventor after: Wei Chaosheng Inventor after: Li Mingyang Inventor after: Dong Zhanchun Inventor after: Wang Zhongyuan Inventor after: Fan Chuibin Inventor after: Lv Wenjie Inventor after: Liu Zhiyuan Inventor after: Zhang Ronghui Inventor after: Wang Zhongjun Inventor after: Bai Xiaowei Inventor after: Yang Quanhai Inventor after: Li Hong Inventor after: Xing Xiaoguang Inventor after: Huo Liqiang Inventor before: Wei Chaosheng Inventor before: Wang Zhongyuan Inventor before: Fan Chuibin Inventor before: Lv Wenjie Inventor before: Xing Xiaoguang Inventor before: Huo Liqiang Inventor before: Li Mingyang Inventor before: Dong Zhanchun |
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