CN110186279B - Positioning driving system for annular furnace bottom - Google Patents

Positioning driving system for annular furnace bottom Download PDF

Info

Publication number
CN110186279B
CN110186279B CN201910517833.8A CN201910517833A CN110186279B CN 110186279 B CN110186279 B CN 110186279B CN 201910517833 A CN201910517833 A CN 201910517833A CN 110186279 B CN110186279 B CN 110186279B
Authority
CN
China
Prior art keywords
centering
support
pull rod
supporting
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910517833.8A
Other languages
Chinese (zh)
Other versions
CN110186279A (en
Inventor
冯灿
汪兴
任海涛
严野
许可嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Design And Research Institute Mi China Co ltd
Original Assignee
First Design And Research Institute Mi China Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Design And Research Institute Mi China Co ltd filed Critical First Design And Research Institute Mi China Co ltd
Priority to CN201910517833.8A priority Critical patent/CN110186279B/en
Publication of CN110186279A publication Critical patent/CN110186279A/en
Application granted granted Critical
Publication of CN110186279B publication Critical patent/CN110186279B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B13/00Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
    • F27B13/06Details, accessories, or equipment peculiar to furnaces of this type

Abstract

The invention discloses a positioning driving system of an annular furnace bottom, which comprises a supporting ring table, a centering supporting wheel set, a centering tensioning wheel set and a power assembly, wherein the supporting ring table is arranged at the lower part of the furnace bottom in a surrounding manner; the centering support wheel set and the centering tensioning wheel set are uniformly distributed with more than one along the circumferential direction of the support ring table; one end of the power component is connected with the fixed support, and the other end of the power component enables the annular furnace to perform stepping rotary motion by pushing the poking wheel arranged on the outer side face of the circumference of the supporting ring table. According to the invention, the plurality of poking wheels are arranged on the circumferential outer side surface of the support ring platform at equal intervals, the power assembly is matched with the poking wheels on the support ring platform, and the trolley is pushed to reciprocate along the translation guide rail by the telescopic pushing of the hydraulic cylinder of the power assembly, so that the support ring platform is continuously and stepwise rotated under the pushing action of the power assembly.

Description

Positioning driving system for annular furnace bottom
Technical Field
The invention relates to the technical field of annular furnaces, in particular to a positioning driving system for the bottom of an annular furnace.
Background
The small-sized annular furnace is a thermal equipment with continuous heating, and has high thermal efficiency and can realize continuous production, so that the small-sized annular furnace is widely applied to the processing fields of precision casting mold shell roasting, small-sized forging heating and the like.
In the prior art, the driving system mainly comprises a speed reducer, a hydraulic motor and the like in the using process of the annular furnace, and the whole driving system has a complex structure and a complex layout in the using process. In the use process, the annular furnace is easy to be unstable to cause position deviation, and has great potential safety hazard; meanwhile, the conventional ring furnace cannot realize the stepwise advance.
Disclosure of Invention
The invention aims to provide a positioning driving system for the bottom of a circular furnace, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a positioning driving system of an annular furnace bottom comprises a supporting ring table, a centering supporting wheel set, a centering tensioning wheel set and a power assembly, wherein the supporting ring table is arranged at the lower part of the furnace bottom in a surrounding mode;
the outer side surface of the circumference of the supporting ring table is provided with shifting wheels at equal intervals;
the centering support wheel sets and the centering tensioning wheel sets are uniformly distributed with more than one along the circumferential direction of the support ring platform, the centering support wheel sets are supported at the bottom of the support ring platform, and the centering tensioning wheel sets are supported at the inner side of the circumference of the support ring platform;
one end of the power component is connected with the fixed support, and the other end of the power component enables the annular furnace to perform stepping rotary motion by pushing the poking wheel arranged on the outer side face of the circumference of the supporting ring table.
As a further scheme of the invention: the supporting ring table is an annular structural member which is supported at the bottom of the annular furnace and is made of steel materials;
the outer surface of the supporting ring table is sequentially coated with a fire-resistant layer and a heat-insulating layer.
As a further scheme of the invention: the centering support wheel sets are supported at the lower part of the support ring table, and more than three centering support wheel sets are uniformly distributed along the circumferential direction of the support ring table;
the centering riding wheel set comprises a riding wheel support fixedly arranged on the supporting table, two bearing supports symmetrically and fixedly arranged on the riding wheel support, and a positioning riding wheel arranged between the two bearing supports; and two ends of the supporting wheel shaft of the positioning supporting wheel respectively penetrate through the two bearing supports, and a supporting wheel bearing is arranged between the supporting wheel shaft of the positioning supporting wheel and the bearing supports.
As a further scheme of the invention: the centering tensioning wheel set comprises a centering support arranged below the supporting ring table, a pull rod assembly transversely arranged and a shaking assembly longitudinally arranged;
the centering support is a frame-shaped support with the bottom fixedly arranged on the supporting table and made of steel materials;
the shaking assembly is arranged between the two pull rod assemblies, one end of the pull rod assembly is connected with the vertical seat of the centering support, and one end of the shaking assembly is connected with the horizontal seat of the centering support.
As a further scheme of the invention: the shaking assembly comprises a shaking shaft, a transversely arranged transmission beam and a centering wheel;
one end of the swinging shaft is rotationally connected with the horizontal seat of the centering support through a first rotating shaft, and the other end longitudinally penetrates through and extends out of the middle position of the transmission beam;
the centering wheel is arranged at the top end of the swing shaft extending out of the transmission beam through a centering bearing, and one side surface of the centering wheel is contacted with the inner side surface of the circumference of the supporting ring table.
As a further scheme of the invention: the pull rod assemblies are used in pairs, and each pull rod assembly comprises a transverse pull rod, a pull rod spring sleeved on the transverse pull rod and a spring fixing piece fixedly arranged at the position, close to the end part, of the transverse pull rod;
one end of each transverse pull rod is provided with an annular ring, the transverse pull rods of the two pull rod assemblies are both in rotary connection with the vertical seat of the centering support through a second rotating shaft, and the other ends of the transverse pull rods of the two pull rod assemblies respectively transversely penetrate through and extend out of the positions, close to the two ends, of the transmission beam;
the pull rod spring is sleeved on a section of transverse pull rod between the transmission beam and the spring fixing piece.
As a further scheme of the invention: the spring fixing piece comprises a limiting plate arranged on the transverse pull rod and a locking nut screwed on the transverse pull rod;
an annular groove is formed in the middle position, close to one side surface of the pull rod spring, of the limiting plate;
the locking nut is arranged on the transverse pull rod on one side, far away from the pull rod spring, of the limiting plate, and more than one locking nut is sequentially attached to the transverse pull rod.
As a further scheme of the invention: the power assembly comprises a guide rail bracket internally provided with a translation guide rail, a trolley arranged in the guide rail bracket, a stop pin shaft transversely penetrating through the lower part of the trolley, a push head part arranged in the middle of the trolley and a hydraulic cylinder driving the trolley to move along the translation guide rail;
the guide rail bracket is fixedly arranged on a supporting table positioned at one side of the supporting ring table, and rollers at two sides of the trolley move along two translation guide rails in the guide rail bracket;
one end of a cylinder body of the hydraulic cylinder is rotationally connected with a fixed support fixed on the supporting table, and one end of a hydraulic rod of the hydraulic cylinder is connected with the cart.
As a further scheme of the invention: the pushing head part comprises a fixed rotating shaft transversely penetrating through the middle part of the cart, a rotating ring sleeved on the fixed rotating shaft and rotating around the fixed rotating shaft, and a counterweight piece and a pushing head piece which are fixedly arranged on the outer side of the rotating ring;
the fixed rotating shaft is positioned above the stop pin shaft and is parallel to the stop pin shaft, and the central line of the fixed rotating shaft and the end surface of the counterweight contacted with the stop pin shaft are positioned in the same vertical plane;
the two weight pieces are respectively arranged on the outer side surfaces of the circumferences of the rotating ring, which are close to the two ends, one end of each weight piece is fixedly connected with the rotating ring, and the other end of each weight piece is contacted with the stop pin shaft;
the push head piece is fixedly arranged on the opposite circumferential outer side surfaces of the swivel with the weight piece.
Compared with the prior art, the invention has the beneficial effects that:
(1) The positioning driving system of the annular furnace bottom comprises a supporting ring table, a centering supporting wheel set, a centering tensioning wheel set and a power assembly, wherein the supporting ring table is arranged at the lower part of the furnace bottom in a surrounding mode;
(2) The plurality of poking wheels are arranged on the outer side face of the circumference of the support ring platform at equal intervals, the power assembly and the poking wheels on the support ring platform are matched with each other, and the trolley is pushed to reciprocate along the translation guide rail by the telescopic pushing of the hydraulic cylinder of the power assembly, so that the support ring platform is continuously and stepwise rotated under the pushing action of the power assembly.
Drawings
FIG. 1 is a top view of the entirety of the present invention;
FIG. 2 is a rotational cross-sectional view of A-A of FIG. 1;
FIG. 3 is a front view of the set of centering brackets of the present invention;
FIG. 4 is a side view of the set of centering brackets of the present invention;
FIG. 5 is a top view of the set of centering brackets of the present invention;
FIG. 6 is a front view of the centering tensioner set of the present invention;
FIG. 7 is a top view of the centering tensioner set of the present invention;
FIG. 8 is a schematic diagram of the use of the power assembly of the present invention;
fig. 9 is a top view of the power assembly of the present invention.
In the figure:
1-a supporting ring table and 11-a shifting wheel;
2-centering supporting wheel groups, 21-supporting wheel supports, 22-bearing supports and 23-positioning supporting wheels;
3-centering tensioning wheel sets, 31-centering supports, 32-pull rod assemblies and 33-shaking assemblies;
321-transverse pull rods, 3211-annular rings; 322-a pull rod spring; 323-spring fixing piece, 3231-limit plate, 3232-lock nut;
331-swinging shaft, 332-transmission beam and 333-centering wheel;
301-a first rotating shaft, 302-a second rotating shaft, 303-a centering bearing;
the device comprises a 4-power assembly, a 41-guide rail bracket, a 42-trolley, a 43-stop pin shaft, a 44-push head part and a 45-hydraulic cylinder;
441-fixed rotating shaft, 442-rotating ring, 443-weight member, 444-pusher member;
401-a fixed support, 402-a translation rail;
5-supporting table.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a positioning driving system for a ring-shaped furnace bottom comprises a supporting ring table 1 arranged at the lower part of the furnace bottom in a surrounding manner, a centering supporting wheel set 2 and a centering tensioning wheel set 3 arranged at the lower part of the supporting ring table, and a power assembly 4 arranged at one side of the supporting ring table.
The supporting ring table 1 is an annular structural member which is supported at the bottom of the annular furnace and is made of steel materials; the supporting ring table 1 is arranged at the lower part of the annular furnace and is used for supporting the annular furnace, and the supporting ring table 1 is an annular structural member made of a metal material with better fire resistance, and is preferably made of a steel material with better fire resistance. In addition, through the surface of support ring platform 1 has coated flame retardant coating, heat preservation in proper order, slows down support ring platform 1 and takes place the speed of damaging in long-term use, and then prolongs support ring platform 1's life, guarantees long-term effectual steady support to the annular furnace.
The circumference outer side surface of the supporting ring table 1 is provided with shifting wheels 11 at equal intervals; the number of the poking wheels 11 can be determined according to the outer diameter of the bottom of the annular furnace and the stepping stroke of the annular furnace each time, and the interval between two adjacent poking wheels 11 is the stepping stroke of the annular furnace each time; the thumb wheel 11 arranged on the circumferential outer side surface of the supporting ring table 1 is matched with the power component 4 for use, one end of the power component 4 is connected with the fixed support 401, and the other end of the power component is used for enabling the annular furnace to perform stepping rotary motion by pushing the thumb wheel 11 arranged on the circumferential outer side surface of the supporting ring table 1. When the device is specifically used, one end of the power assembly 4 is connected with the fixed support 401, the other end of the power assembly pushes the thumb wheel 11 arranged on the outer side surface of the circumference of the support ring table 1, the power assembly 4 stretches to push the thumb wheel 11, and the whole support ring table 1 and the annular furnace arranged on the support ring table 1 rotate for a certain distance; the power assembly 4 immediately retracts to the initial position after pushing the thumb wheel 11, the next thumb wheel 11 is ready to be pushed, and the operation is repeated, so that the supporting ring table 1 and the annular furnace arranged on the upper part of the supporting ring table 1 do stepping rotary motion under the pushing of the power assembly 4.
The lower part of the annular furnace is provided with a supporting table 5, a fixed support 401 of a power assembly 4 is fixedly arranged on the supporting table 5, the supporting ring table 1 is positioned above the supporting table 5 under the supporting action of a centering supporting wheel set 2 and a centering tensioning wheel set 3, more than one centering supporting wheel set 2 and more than one centering tensioning wheel set 3 are uniformly distributed along the circumferential direction of the supporting ring table 1, the centering supporting wheel set 2 is supported at the bottom of the supporting ring table 1, and the centering tensioning wheel set 3 is supported at the inner side of the circumference of the supporting ring table 1. When the centering support device is particularly used, the centering support wheel sets 2 are annularly arranged, and each centering support wheel set 2 is supported at the lower part of the support ring table 1 and limits the position of the outer side of the circumference of the support ring table 1; the centering and tensioning wheel sets 3 are arranged in a ring shape, and each centering and tensioning wheel set 3 is in contact with the circumferential inner side surface of the supporting ring table 1 and performs position limitation on the circumferential inner side surface of the supporting ring table 1. The supporting and position limiting of the centering supporting wheel set 2 and the centering tensioning wheel set 3 to the supporting ring table 1 ensures that the center of the supporting ring table 1 and the center of the annular furnace are positioned on the same vertical line, improves the stability of the supporting ring table 1 for supporting the bottom of the annular furnace, and improves the safety of the stepped rotary motion of the supporting ring table 1 and the annular furnace under the pushing action of the power assembly 4.
Referring to fig. 1-7, the number of the centering and tensioning wheel sets 2 is the same as the number of the centering and tensioning wheel sets 3, the number of the centering and tensioning wheel sets 2 and 3 can be set according to the intermediate diameter of the annular furnace, the centering and tensioning wheel sets 2 and 3 are uniformly distributed below the annular furnace along the circumferential direction, and preferably, the centering and tensioning wheel sets 2 and 3 are arranged more than three along the circumferential direction of the annular furnace, so that on one hand, the supporting stability of the supporting ring table 1 and the annular furnace is improved, and on the other hand, the center line of the supporting ring table 1 is ensured to coincide with the center line of the annular furnace, and concentricity of the supporting ring table 1 and the annular furnace in the running process is ensured.
Referring to fig. 3, 4 and 5, the centering roller set 2 is supported at the lower part of the support ring table 1, and the centering roller set 2 is uniformly distributed with more than three centering roller sets along the circumferential direction of the support ring table 1;
the centering roller group 2 comprises a roller support 21 fixedly arranged on the supporting table 5, two bearing supports 22 symmetrically and fixedly arranged on the roller support, and a positioning roller 23 arranged between the two bearing supports; the two ends of the supporting wheel shaft of the positioning supporting wheel 23 respectively penetrate through the two bearing supports 22, and a supporting wheel bearing is arranged between the supporting wheel shaft of the positioning supporting wheel 23 and the bearing supports 22.
The supporting wheel support 21 of the centering supporting wheel group 2 is fixedly arranged on the supporting table 5 below the supporting ring table 1, two bearing seats are fixedly arranged on the supporting wheel support 21, two bearing supports 22 are symmetrically arranged, two ends of a supporting wheel shaft of the positioning supporting wheel 23 are penetratingly arranged on the two bearing supports 22 through the supporting wheel bearings, and the positioning supporting wheel 23 is sleeved at the middle position of the supporting wheel shaft; when the centering support ring is particularly used, the support ring table 1 is placed on the upper part of the centering support wheel, the centering support wheel is of a two-section structure, the support ring table 1 is placed on one section with smaller diameter of the centering support wheel, and the lower part of the support ring table 1 is limited by one section with larger diameter of the centering support wheel at the position outside the circumference of the support ring table 1.
Referring to fig. 6 and 7, the centering and tensioning wheel set 3 includes a centering support 31 disposed below the support ring table, a transversely disposed pull rod assembly 32, and a longitudinally disposed rocker assembly 33;
the centering support 31 is a frame-shaped support with the bottom fixedly arranged on the supporting table 5 and made of steel materials;
the swinging assembly 33 is arranged between the two pull rod assemblies 32, one end of the pull rod assembly 32 is connected with the vertical seat of the centering support 31, and one end of the swinging assembly 33 is connected with the horizontal seat of the centering support 31.
The centering support 31 of the centering tensioning wheel set 3 is fixedly arranged on the supporting table 5 below the supporting ring table 1, and the centering support 31 is made of a metal material with better fire resistance, preferably steel material; the horizontal seat bottom surface of centering support 31 is fixed with the upper surface laminating of brace table 5, the pull rod subassembly 32 and the rocker subassembly 33 of centering tensioning wheelset 3 set up in the inside of centering support 31 to, the rocker subassembly is vertical setting, two pull rod subassemblies 32 are horizontal setting, and the one end of rocker subassembly is rotated with the horizontal seat of centering support 31 and is connected, and the one end of pull rod subassembly 32 is rotated with the vertical seat of centering support 31 and is connected, and the rocker subassembly sets up between two pull rod subassemblies 32, ensures the stability in the whole centering tensioning wheelset 3 course of working, and then ensures the degree of accuracy to the centering of support ring platform 1.
The shaking assembly 33 comprises a shaking shaft 331, a transmission beam 332 transversely arranged, and a centering wheel 333;
one end of the swinging shaft 331 is rotatably connected with the horizontal seat of the centering support 31 through the first rotating shaft 301, and the other end longitudinally penetrates through and extends out of the middle position of the transmission beam 332;
the centering wheel 333 is mounted on the top end of the swing shaft 331 extending out of the transmission beam through a centering bearing 303, and one side surface of the centering wheel 333 is in contact with the circumferential inner side surface of the supporting ring table 1.
The pull rod assemblies 32 are used in pairs, and each pull rod assembly 32 comprises a transverse pull rod 321, a pull rod spring 322 sleeved on the transverse pull rod and a spring fixing piece 323 fixedly installed at the position, close to the end part, of the transverse pull rod;
one end of the transverse pull rod 321 is provided with an annular ring 3211, the transverse pull rods 321 of the two pull rod assemblies 32 are both in rotary connection with the vertical seat of the centering support 31 through the second rotating shaft 302, and the other ends of the transverse pull rods 321 of the two pull rod assemblies 32 respectively transversely penetrate through and extend out of the transmission beam 332 near the two ends;
the pull rod spring 322 is sleeved on a section of transverse pull rod 321 between the transmission beam 332 and the spring fixing piece 323.
The spring fixing part 323 comprises a limiting plate 3231 arranged on the transverse pull rod and a locking nut 3232 screwed on the transverse pull rod;
an annular groove is formed in the middle of the limiting plate 3231, which is close to one side surface of the pull rod spring;
the lock nut 3232 is arranged on the transverse pull rod 321 on one side of the limiting plate far away from the pull rod spring, and more than one lock nut 3232 is sequentially attached.
When the centering support 31 is particularly used, one end of the swinging shaft 331 of the rocker assembly is provided with a through hole, the first rotating shaft 301 is horizontally arranged, two ends of the first rotating shaft 301 are respectively and fixedly arranged on the upper part of the horizontal seat of the centering support 31, the first rotating shaft 301 penetrates through the through hole of the swinging shaft 331, and the swinging shaft 331 is positioned at the middle position of the first rotating shaft 301; a transmission beam 332 is arranged right above the first rotating shaft 301, the first rotating shaft 301 and the transmission beam 332 are parallel to each other, and the swinging shaft 331 longitudinally penetrates through the middle position of the transmission beam 332 and extends out of the upper surface of the transmission beam 332; the centering wheel 333 is mounted on the top of the swing shaft 331 through a centering bearing 303, the centering wheel 333 is rotatable around the swing shaft 331, and one side surface of the centering wheel 333 is in contact with the circumferential inner side surface of the carrier ring table 1.
The pull rod assemblies 32 are symmetrically arranged in the centering support 31, one end of each transverse pull rod 321 of each pull rod assembly 32 is arranged into an annular ring 3211 structure, so that the transverse pull rods 321 of the two pull rod assemblies 32 penetrate through the second rotating shaft 302, two ends of the second rotating shaft 302 are respectively fixedly arranged on two vertical seats of the centering support 31, and one end, provided with the annular rings 3211, of each transverse pull rod 321 can synchronously rotate around the second rotating shaft 302; the transverse pull rods 321 of the two pull rod assemblies 32 transversely penetrate through the transmission beam 332 from one side face of the transmission beam 332 and extend out of the other side face of the transmission beam 332 near the two ends, a pull rod spring 322 is sleeved on one section of the transverse pull rod 321 penetrating through the transmission beam 332, one end of the pull rod spring 322 is in contact with one side face of the transmission beam 332, and the other end of the pull rod spring 322 is in contact with a spring fastener.
The spring fastener comprises a limiting plate 3231 and more than one locking nut 3232 which are sleeved on the transverse pull rod in sequence, and the other end of the pull rod spring 322 is contacted with the limiting plate 3231 of the spring fastener; when the centering tensioning wheel set 3 is adopted to center the supporting ring table 1, one side surface of the centering wheel 333 at the top of the swinging shaft 331 is in contact with the inner circumferential surface of the supporting ring table 1, and the swinging shaft 331 rotates, so that the centering wheel 333 arranged on the swinging shaft 331 inclines towards the inner circumferential surface of the supporting ring table 1, and the centering tensioning wheel sets 3 arranged on the bottom of the annular furnace center the bottom of the annular furnace by utilizing the pretightening force of the pull rod springs 322, thereby ensuring concentricity of the supporting ring table 1 and the annular furnace in the running process, and ensuring the use effect of the annular furnace and the supporting stability of the supporting ring table 1 to the annular furnace.
Referring to fig. 8 and 9, the power assembly 4 includes a rail bracket 41 with a translation rail 402, a cart 42 disposed in the rail bracket, a stop pin 43 passing through the lower portion of the cart transversely, a push head 44 disposed in the middle of the cart, and a hydraulic cylinder 45 driving the cart to move along the translation rail;
the guide rail bracket 41 is fixedly arranged on the supporting table 5 positioned at one side of the supporting ring table, and the rollers at two sides of the trolley 42 move along the two translation guide rails 402 in the guide rail bracket;
one end of the cylinder body of the hydraulic cylinder 45 is rotatably connected with a fixed support 401 fixedly arranged on the supporting table, and one end of a hydraulic rod of the hydraulic cylinder 45 is connected with the cart 42.
The pushing head 44 comprises a fixed rotating shaft 441 transversely penetrating through the middle of the cart, a rotating ring 442 sleeved on the fixed rotating shaft and rotating around the fixed rotating shaft, and a counterweight 443 and a pushing head 444 fixedly arranged on the outer side of the rotating ring;
the fixed rotating shaft 441 is located above the stop pin 43 and parallel to the stop pin 43, and the center line of the fixed rotating shaft 441 and the end surface of the counterweight 443 contacting the stop pin are located in the same vertical plane;
the two counterweight members 443 are respectively arranged on the circumferential outer side surfaces of the rotating ring 442 near the two ends, one end of the counterweight member 443 is fixedly connected with the rotating ring 442, and the other end is contacted with the stop pin shaft 43;
the pusher member 444 is fixedly provided on the opposite circumferential outer side surface of the swivel 442 provided with the weight member 443.
The guide rail bracket 41 of the power assembly 4 is fixedly arranged on the supporting table 5, two parallel translation guide rails 402 are arranged in the guide rail bracket 41, and the trolley 42 connected with the hydraulic rod of the hydraulic cylinder 45 moves in the guide rail bracket 41 in a reciprocating manner along the two translation guide rails 402; a fixed rotating shaft 441 and a stop pin 43 are transversely arranged on the cart 42 in a penetrating manner, a pushing head 44 for pushing the support ring table 1 to rotate rotates around the fixed rotating shaft 441, and the stop pin 43 is used for limiting the distance of the power assembly 4 for pushing the support ring table 1 each time; one end of a hydraulic cylinder 45 of the power assembly 4 is connected with a fixed bracket fixedly arranged on the supporting table 5. The push head member 444 and the weight member 443 of the push head portion 44 are disposed on the symmetrical plane of the swivel 442, respectively, that is, the push head member 444 and the weight member 443 are disposed on two opposite surfaces of the circumferential outer side of the swivel 442, respectively.
When the push head 44 mounted on the push cart 42 moves to the position of one shifting wheel 11 outside the supporting ring table 1, when the push head 444 of the push head 44 contacts with one side of the shifting wheel 11 on the supporting ring table 1, one end of a counterweight 443 arranged on the opposite surface of the swivel 442 contacts with a stop pin 43, and the stop pin 43 limits the clockwise rotation of the counterweight 443, so that the push head 444 can push the shifting wheel 11 outside the supporting ring table 1 to rotate, and further the stepping rotary motion of the supporting ring table 1 is realized; after the power assembly 4 pushes a wave wheel of the supporting ring table 1, the hydraulic rod of the hydraulic cylinder 45 contracts and pulls the cart 42 connected with one end of the hydraulic rod to retract along the two translation guide rails 402, and in the retracting process, the push head piece 444 and the counterweight piece 443 arranged on the rotating ring 442 rotate anticlockwise around the fixed rotating shaft 441, so that the push head piece 444 can retract smoothly; after the cart 42 and the pushing head 44 mounted on the cart 42 are retracted to the initial position, the hydraulic cylinder 45 continues to prepare for pushing the ring table 1 next time, so that the ring table 1 and the annular furnace perform a step-by-step rotary motion.
The power assembly is arranged right below the supporting ring table, specifically the trolley of the power assembly is arranged right below the shifting wheel at the outer side of the circumference of the supporting ring table, when the power assembly pushes the supporting ring table to rotate, the weight of the power assembly is larger than that of the push head piece, so that the weight piece is arranged below and the push head piece is arranged above when no stress is applied; when the power assembly pushes the supporting ring platform, the push head piece positioned above is contacted with one side of the shifting wheel, so that the supporting ring platform is pushed; when the power component retracts, one side of the push head piece is stressed and rotates anticlockwise, so that the push head piece and the weight piece are both positioned below the horizontal height of the swivel, and the cart is convenient to retract to the initial position under the pulling of the hydraulic rod.
The positioning driving system of the whole annular furnace bottom is simple in structure, reasonable in structural layout and matched with each other for use, the plurality of centering supporting wheel sets 2 and the plurality of centering tensioning wheel sets 3 bear positive pressure at the bottoms of the annular furnace and the supporting ring table 1, the positioning supporting wheels 23 of the plurality of centering supporting wheel sets 2 are used for limiting the positions of the circumferential outer side surfaces of the supporting ring table 1, the centering wheels 333 of the plurality of centering tensioning wheel sets 3 are used for limiting the positions of the circumferential inner side surfaces of the supporting ring table 1, and therefore rapid and accurate centering of the supporting ring table 1 is achieved, and stability and safety of the whole driving system in the use process are guaranteed; meanwhile, a plurality of poking wheels 11 are arranged on the circumferential outer side surface of the support ring table 1 at equal intervals, and the power assembly 4 is matched with the poking wheels 11 on the support ring table 1, so that the support ring table 1 can realize stepping rotary motion under the pushing action of the power assembly 4.
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 characteristics 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 sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A positioning driving system of a furnace bottom of an annular furnace is characterized in that: comprises a supporting ring table (1) arranged at the lower part of the furnace bottom in a surrounding way, a centering supporting wheel group (2) and a centering tensioning wheel group (3) arranged at the lower part of the supporting ring table, and a power assembly (4) arranged at one side of the supporting ring table;
the outer side surface of the circumference of the supporting ring table (1) is provided with shifting wheels (11) at equal intervals;
the centering support wheel sets (2) and the centering tensioning wheel sets (3) are uniformly distributed with more than one along the circumferential direction of the support ring table (1), the centering support wheel sets (2) are supported at the bottom of the support ring table (1), and the centering tensioning wheel sets (3) are supported at the inner side of the circumference of the support ring table (1);
the centering support wheel set (2) comprises a support wheel support (21) fixedly arranged on a support table (5), two bearing supports (22) symmetrically and fixedly arranged on the support wheel support, and a positioning support wheel (23) arranged between the two bearing supports (22), wherein two ends of a support wheel shaft of the positioning support wheel (23) respectively penetrate through the two bearing supports (22), a support wheel bearing is arranged between a support wheel shaft of the positioning support wheel (23) and the bearing supports (22), the positioning support wheel (23) is of a two-section structure, the support ring table (1) is placed on one section with smaller diameter of the positioning support wheel (23), and the lower part of the support ring table (1) is used for limiting the position outside the circumference of the support ring table (1) through one section with larger diameter of the positioning support wheel (23);
the centering tensioning wheel set (3) comprises a centering support (31) arranged below the supporting ring table, a pull rod assembly (32) arranged transversely and a shaking assembly (33) arranged longitudinally; the centering support (31) is a frame-shaped support with the bottom fixedly arranged on the supporting table (5) and made of steel materials, the shaking assembly (33) is arranged between the two pull rod assemblies (32), one end of the pull rod assemblies (32) is connected with a vertical seat of the centering support (31), and one end of the shaking assembly (33) is connected with a horizontal seat of the centering support (31);
the shaking assembly (33) of the centering tensioning wheel set (3) comprises a shaking shaft (331), a transversely arranged transmission beam (332) and a centering wheel (333), one end of the shaking shaft (331) is rotationally connected with a horizontal seat of the centering support (31) through a first rotating shaft (301), the other end of the shaking shaft longitudinally penetrates through and extends out of the middle position of the transmission beam (332), the centering wheel (333) is arranged at the top end of the shaking shaft (331) extending out of the transmission beam through a centering bearing (303), and one side surface of the centering wheel (333) is in contact with the inner side surface of the circumference of the supporting ring table (1);
the centering tensioning wheel sets (3) are used in pairs, each pull rod assembly (32) comprises a transverse pull rod (321), pull rod springs (322) sleeved on the transverse pull rod and spring fixing pieces (323) fixedly installed at the positions, close to the end parts, of the transverse pull rods, one ends of the transverse pull rods (321) are provided with annular rings (3211), the transverse pull rods (321) of the two pull rod assemblies (32) are respectively connected with a vertical seat of the centering support (31) in a rotating mode through second rotating shafts (302), the other ends of the transverse pull rods (321) of the two pull rod assemblies (32) respectively transversely penetrate through and extend out of positions, close to the two ends, of the transmission beams (332), of the transmission beams, and the pull rod springs (322) are sleeved on one section of the transverse pull rods (321) between the transmission beams (332) and the spring fixing pieces (323); and
one end of the power component (4) is connected with the fixed support (401), and the other end of the power component is used for pushing the poking wheel (11) arranged on the outer side face of the circumference of the supporting ring table (1) to enable the annular furnace to perform stepping rotary motion.
2. The positioning drive system of a ring furnace hearth according to claim 1, wherein: the supporting ring table (1) is an annular structural member which is supported at the bottom of the annular furnace and is made of steel materials;
the outer surface of the supporting ring table (1) is sequentially coated with a fire-resistant layer and a heat-insulating layer.
3. The positioning drive system of a ring furnace hearth according to claim 1, wherein: the centering support wheel sets (2) are supported at the lower part of the support ring table (1), and the centering support wheel sets (2) are uniformly distributed with more than three along the circumferential direction of the support ring table (1).
4. The positioning drive system of a ring furnace hearth according to claim 1, wherein: the spring fixing piece (323) comprises a limiting plate (3231) arranged on the transverse pull rod and a locking nut (3232) screwed on the transverse pull rod;
an annular groove is formed in the middle of the limiting plate (3231) close to one side face of the pull rod spring;
the locking nut (3232) is arranged on a transverse pull rod (321) on one side, far away from the pull rod spring, of the limiting plate, and more than one locking nut (3232) is sequentially attached.
5. The positioning drive system of a ring furnace hearth according to claim 1, wherein: the power assembly (4) comprises a guide rail bracket (41) provided with a translation guide rail (402) inside, a trolley (42) arranged in the guide rail bracket, a stop pin shaft (43) transversely penetrating through the lower part of the trolley, a push head part (44) arranged in the middle of the trolley and a hydraulic cylinder (45) for driving the trolley to move along the translation guide rail;
the guide rail bracket (41) is fixedly arranged on a supporting table (5) positioned at one side of the supporting ring table, and rollers at two sides of the trolley (42) move along two translation guide rails (402) in the guide rail bracket;
one end of a cylinder body of the hydraulic cylinder (45) is rotationally connected with a fixed support (401) fixedly arranged on the supporting table, and one end of a hydraulic rod of the hydraulic cylinder (45) is connected with the cart (42).
6. The positioning drive system of the annular furnace bottom according to claim 5, wherein: the pushing head part (44) comprises a fixed rotating shaft (441) transversely penetrating through the middle of the trolley, a rotating ring (442) sleeved on the fixed rotating shaft and rotating around the fixed rotating shaft, and a counterweight piece (443) and a pushing head piece (444) fixedly arranged on the outer side of the rotating ring;
the fixed rotating shaft (441) is positioned above the stop pin shaft (43) and is parallel to the stop pin shaft (43), and the center line of the fixed rotating shaft (441) and the end surface of the counterweight (443) contacting with the stop pin shaft are positioned in the same vertical plane;
the two counterweight pieces (443) are respectively arranged on the circumferential outer side surfaces of the rotating ring (442) close to the two ends, one end of each counterweight piece (443) is fixedly connected with the rotating ring (442), and the other end of each counterweight piece is contacted with the stop pin shaft (43);
the push head piece (444) is fixedly arranged on the opposite circumferential outer side surface of the swivel (442) provided with the weight piece (443).
CN201910517833.8A 2019-06-14 2019-06-14 Positioning driving system for annular furnace bottom Active CN110186279B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910517833.8A CN110186279B (en) 2019-06-14 2019-06-14 Positioning driving system for annular furnace bottom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910517833.8A CN110186279B (en) 2019-06-14 2019-06-14 Positioning driving system for annular furnace bottom

Publications (2)

Publication Number Publication Date
CN110186279A CN110186279A (en) 2019-08-30
CN110186279B true CN110186279B (en) 2024-01-16

Family

ID=67721909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910517833.8A Active CN110186279B (en) 2019-06-14 2019-06-14 Positioning driving system for annular furnace bottom

Country Status (1)

Country Link
CN (1) CN110186279B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101368791A (en) * 2008-09-08 2009-02-18 张家港市逸洋制管有限公司 Material feeding device of annular furnace
CN201285223Y (en) * 2008-10-28 2009-08-05 中冶南方(武汉)威仕工业炉有限公司 Centering device of annular heating stove
CN102778128A (en) * 2012-08-17 2012-11-14 西安瑞驰节能工程有限责任公司 Airtight-ring-type heating furnace insulating from air
CN203163486U (en) * 2013-02-06 2013-08-28 中国有色(沈阳)冶金机械有限公司 Support roll for rotary hearth furnace
WO2014096751A1 (en) * 2012-12-21 2014-06-26 Noel Alfred Warner Zero gas emission continuous steelmaking process
CN210292795U (en) * 2019-06-14 2020-04-10 中机第一设计研究院有限公司 Positioning driving system for bottom of annular furnace

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101368791A (en) * 2008-09-08 2009-02-18 张家港市逸洋制管有限公司 Material feeding device of annular furnace
CN201285223Y (en) * 2008-10-28 2009-08-05 中冶南方(武汉)威仕工业炉有限公司 Centering device of annular heating stove
CN102778128A (en) * 2012-08-17 2012-11-14 西安瑞驰节能工程有限责任公司 Airtight-ring-type heating furnace insulating from air
WO2014096751A1 (en) * 2012-12-21 2014-06-26 Noel Alfred Warner Zero gas emission continuous steelmaking process
CN203163486U (en) * 2013-02-06 2013-08-28 中国有色(沈阳)冶金机械有限公司 Support roll for rotary hearth furnace
CN210292795U (en) * 2019-06-14 2020-04-10 中机第一设计研究院有限公司 Positioning driving system for bottom of annular furnace

Also Published As

Publication number Publication date
CN110186279A (en) 2019-08-30

Similar Documents

Publication Publication Date Title
CN108866279B (en) High-frequency quenching device
CN110186279B (en) Positioning driving system for annular furnace bottom
KR102207032B1 (en) Heat-treatment device and heat-treatment method
CN210292795U (en) Positioning driving system for bottom of annular furnace
CN105838849A (en) Precise induction heater applied to heavy rail and guide transportation mechanism
CN109967887A (en) A kind of heavy duty detergent laser marking device of good heat dissipation effect
CN210730596U (en) Straightening device for nickel-based alloy processing
CN219324865U (en) Anti-deformation cage supporting device
CN116623121A (en) Carburizing and quenching heat treatment device for gear
CN206981638U (en) A kind of reinforcing bar arc-bending device and welding machine of mesh
CN209054262U (en) It is a kind of can axial convenient movement electric machine mounting device
CN214383783U (en) Cast steel roll heat treatment spray quenching machine nozzle mounting structure
CN102392690B (en) Rotating device for heating impeller of turbine
CN111647840B (en) Method for treating roller surface by plasma spraying
CN109706306B (en) Slewing bearing fixing device
CN113457944A (en) Full-automatic production system of bearing roller
CN113025792A (en) Special quenching device for strip-shaped castings for building material production
CN219991658U (en) Furnace carburizing and quenching heat treatment tool
CN211311541U (en) Auxiliary tool for uniformly heating steel pipe
CN107966031B (en) A pick-off unit for resistance furnace
CN207143359U (en) Electroplanting device
JP6671830B2 (en) Heat treatment equipment
JP6146916B2 (en) Heat treatment apparatus and heat treatment method
CN207556249U (en) A kind of annular brick kiln
CN215628126U (en) Quenching device for caterpillar link of excavator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant