CN114688869B - Large-scale high efficiency gas platform truck formula resistance furnace - Google Patents

Large-scale high efficiency gas platform truck formula resistance furnace Download PDF

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Publication number
CN114688869B
CN114688869B CN202111603074.0A CN202111603074A CN114688869B CN 114688869 B CN114688869 B CN 114688869B CN 202111603074 A CN202111603074 A CN 202111603074A CN 114688869 B CN114688869 B CN 114688869B
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CN
China
Prior art keywords
trolley
hearth
lifting
furnace
shielding plate
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CN202111603074.0A
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CN114688869A (en
Inventor
吴海军
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Danyang Hengtai Electric Furnace Co ltd
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Danyang Hengtai Electric Furnace Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/26Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
    • F27B9/262Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0056Furnaces through which the charge is moved in a horizontal straight path
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

The invention relates to a large-scale high-efficiency gas trolley type resistance furnace, which comprises a furnace body, a trolley, a sealing cover assembly and a covering assembly, wherein the furnace body comprises a furnace chamber and a furnace door arranged at the front end of the furnace chamber, combustion nozzles are arranged at two sides of the furnace chamber, an embedded opening is formed in the bottom of the rear end of the furnace chamber, the covering assembly is arranged at the embedded opening, movable grooves are transversely formed in the lower ends of two sides of the furnace chamber, the positions of the movable grooves correspond to the positions of the embedded opening, and a plurality of groups of rollers are rotatably arranged at the upper end and the lower end of the movable grooves; the upper end of the hearth is provided with the sealing cover assembly, the sealing cover assembly comprises a lifting sealing plate, a fixing frame, a lifting chain and a lifting motor, the rotating motor drives the rotating wheel to rotate, the height of the lifting sealing plate is changed by the aid of the chain, the change of the volume of the hearth is achieved, and accordingly the hearth can be suitable for a small heat treatment process, and accordingly fuel consumption is greatly reduced.

Description

Large-scale high efficiency gas platform truck formula resistance furnace
Technical Field
The invention belongs to the technical field of industrial trolley furnaces, and particularly relates to a large-scale high-efficiency gas trolley type resistance furnace.
Background
The trolley type industrial furnace is characterized in that the furnace bottom of the trolley type industrial furnace is movable for facilitating the workpiece to enter and exit the furnace, the workpiece is loaded outside the furnace by the trolley in the working process, and then the workpiece is loaded on the trolley and is opened into the furnace together. After the heating process is completed in the furnace, the trolley drives the workpiece out of the furnace. In industrial production, the heat generated by fuel combustion is utilized to heat the interior of the hearth through the combustion nozzle, compared with electric heating, the cost required by fuel heating is lower, but the phenomenon of uneven heating easily occurs in combustion heating. After the trolley is moved out, the high temperature in the hearth can flow away from the hearth, and the high temperature hot gas in the hearth can damage parts at the bottom end of the trolley. Meanwhile, the existing hearth is fixed in internal structure, so that the size of the hearth space cannot be adjusted, and when a small workpiece is heated, the consumed fuel is large, so that waste can be generated, and therefore, the existing problems are solved, and the improvement is necessary.
Disclosure of Invention
Aiming at the problems, the invention discloses a large-sized high-efficiency gas trolley type resistance furnace, which solves the problems that the trolley type resistance furnace in the prior art easily causes heat dissipation after a trolley is driven out and the size of the internal space of a hearth cannot be adjusted.
The specific technical scheme is as follows:
the utility model provides a large-scale high efficiency gas platform truck formula resistance furnace, includes furnace body, platform truck, closing cap subassembly and covers the subassembly, the furnace body includes furnace and the furnace gate of setting in the furnace front end, the furnace both sides are equipped with the burning spout, and the embedded inlet has been seted up to the furnace rear end bottom, embedded mouth department sets up cover the subassembly, the horizontal movable groove of having seted up of furnace both sides lower extreme, the position in movable groove corresponds with the position of embedded mouth, and the rotation of movable groove upper and lower both ends is equipped with multiunit gyro wheel; the upper end of the hearth is provided with the sealing cover assembly, the sealing cover assembly comprises a lifting sealing plate, a fixing frame, a lifting chain and a lifting motor, the size of the lifting sealing plate is matched with the size of the inner part of the hearth, a plurality of sealing blocks are arranged on the side wall of the lifting sealing plate, a plurality of sliding grooves for accommodating the sealing blocks are longitudinally formed in the inner wall of the hearth, two sides of the top of the sealing blocks are respectively provided with a rotating seat, pulleys are rotatably arranged on the rotating seats, and two pulleys are respectively attached to two sides of the sliding grooves; the top of the lifting sealing plate is provided with at least two lifting rings, the outer side of the lifting rings is longitudinally sleeved with a sealing cylinder, the sealing cylinder is fixedly connected with the top of the lifting sealing plate, the upper end of the sealing cylinder penetrates through the top of the hearth and is provided with a sealing hole on the side wall of the top of the hearth, the top of the hearth is provided with a fixing frame at the position of the sealing cylinder, the fixing frame horizontally rotates and is provided with a rotating wheel, the rotating wheel is wound and provided with a lifting chain, and one end of the lifting chain is downwards embedded into the sealing cylinder and is connected with the lifting ring at the top of the lifting sealing plate;
the lower end of the hearth is provided with a guide rail, the trolley is arranged on the guide rail, positioning plates are symmetrically arranged on two sides of the trolley, the two positioning plates are respectively embedded into movable grooves on two sides of the hearth, the upper end and the lower end of each positioning plate are respectively attached to idler wheels on the upper end and the lower end of each movable groove, the front end of the trolley is abutted against the inner wall of the rear end of the hearth and seals an embedded opening, and the front end of the trolley is provided with a clamping structure matched with the covering assembly;
the utility model provides a cover subassembly, cover subassembly includes the mounting bracket, receive and releases reel, driving motor, shielding plate group, rotate on the mounting bracket and set up receive and release the reel and rotate, receive and release the reel longitudinal section and be polygonal structure, receive and release the reel on the reel and coil up set up shielding plate group, shielding plate group is formed by a plurality of shielding plates links to each other in proper order, and articulates each other between two adjacent shielding plates, wherein be located shielding plate group's a shielding plate level run through inlay the mouth and imbed the movable groove of furnace both sides in, and this shielding plate front end top be equipped with joint structure matched with constant head tank, through constant head tank and joint structure matched with, realize being connected between shielding plate and the platform truck, both ends respectively with the gyro wheel laminating setting at movable groove upper and lower both ends, and be equipped with on the lateral wall of two movable grooves with joint structure matched with guide block, the guide block is located the one end that is close to the furnace gate, and the one end of guide block group is the slope setting, through guide block and joint structure and the separation of shielding plate and platform with the realization of shielding plate group.
Further, the accommodating groove is formed in the inner walls of the upper end and the lower end of the embedding port at the rear end of the hearth, limiting plates matched with the accommodating groove are arranged at the upper end and the lower end of the cover plate at the head end of the cover plate group, and the limiting plates are embedded into the accommodating groove to limit the cover plate by the hearth.
Further, clamping structure quantity is two and sets up in the front end both sides of platform truck respectively, and clamping structure is including setting up mounting groove and the joint groove in the front end of platform truck, the joint groove is located the mounting groove lower extreme, and the embedding sets up the shielding plate that is located shielding plate group head end in the joint groove, the activity is provided with spacing jack catch in the mounting groove, spacing jack catch is Z type structure, and spacing jack catch both ends set up claw portion and supporting part respectively, the one end that jack catch portion is close to shielding plate group is the cambered surface structure setting, and the one end of clamping portion is embedded into the constant head tank of shielding plate downwards and carries out spacingly to the shielding plate, the one end that the clamping portion was kept away from to the supporting part is equipped with the spring, spring one end supports to press on the inner wall of mounting groove and supports the supporting part, the one end level that the limiting jack catch is close to the supporting part is equipped with the round pin axle, round pin axle one end is fixed to be set up on the lateral wall of limiting jack catch, and the round pin axle other end level runs through the mounting groove and enters into the movable groove, and the round pin axle end is provided with the upset piece, upset piece bottom is slope setting and with the guide block for the upset, make the upset piece one end is close to shielding plate and carries out spacing with the spacing jack catch, realizes spacing.
Further, the claw portion is inclined away from one end of the shielding plate group, and the inner wall of one end of the positioning groove, which is close to the trolley, is inclined.
Further, the width dimension of the sealing block is matched with the width dimension of the sliding groove.
Further, the cover plate is an asbestos insulation board.
The beneficial effects of the invention are as follows:
(1) According to the invention, the lifting sealing plate capable of lifting is arranged at the top end of the hearth, the rotating wheel is driven to rotate by the rotating motor, and the height of the lifting sealing plate is changed by the chain, so that the change of the volume of the hearth is realized, the furnace body can be suitable for a heat treatment process of small parts, the fuel consumption is greatly reduced, and the processing cost is reduced.
(2) According to the invention, the cover component is arranged at the rear end of the furnace body, and when the trolley enters the furnace chamber, the limit claw in the clamping structure is matched with the positioning groove on the cover plate, so that the connection between the trolley and the cover plate group is realized, and when the trolley exits, the cover plate group can be pulled to move, so that the cover plate covers the bottom of the furnace chamber, thereby effectively preventing heat in the furnace chamber from flowing away, reducing fuel consumption and use cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the trolley when exiting in the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of a clamping mechanism in the present invention.
Fig. 5 is a schematic structural diagram of the cooperation of the turning block and the guide block in the present invention.
Fig. 6 is an enlarged schematic view at a in fig. 2.
Fig. 7 is an enlarged schematic view at B in fig. 3.
Hearth 1, insertion opening 11, accommodation groove 111, combustion nozzle 112, movable groove 12, roller 121, guide block 122, chute 13, sealing hole 14, guide rail 15, oven door 2, carriage 3, positioning plate 31, mounting bracket 41, winding and unwinding reel 42, driving motor 43, cover plate group 44, cover plate 441, limiting plate 442, positioning groove 443, mounting groove 5, clamping groove 6, limiting claw 7, clamping portion 71, supporting portion 72, pin 73, turning block 731, spring 732, lifting seal plate 81, lifting ring 811, sealing block 812, rotation seat 813, pulley 814, fixing frame 82, lifting chain 83, lifting motor 84, rotating wheel 85, sealing cylinder 86.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection mentioned in the invention is a common connection mode in the mechanical field, and the fixed connection can be realized by welding, bolt-nut connection and screw connection.
In the description of the invention, it should be understood 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 the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-4, a large-scale high-efficiency gas trolley 3 type resistance furnace comprises a furnace body, a trolley 3, a sealing cover assembly and a covering assembly, wherein the furnace body comprises a furnace chamber 1 and furnace doors 2 arranged at the front end of the furnace chamber 1, combustion nozzles 112 are arranged at two sides of the furnace chamber 1, an embedding opening 11 is formed in the bottom of the rear end of the furnace chamber 1, the covering assembly is arranged at the embedding opening 11, movable grooves 12 are transversely formed in the lower ends of two sides of the furnace chamber 1, the positions of the movable grooves 12 correspond to the positions of the embedding openings 11, and a plurality of groups of rollers 121 are rotatably arranged at the upper end and the lower end of the movable grooves 12; the upper end of the hearth 1 is provided with the sealing cover assembly, the sealing cover assembly comprises a lifting sealing plate 81, a fixing frame 82, a lifting chain 83 and a lifting motor 84, the size of the lifting sealing plate 81 is matched with the size of the inner dimension of the hearth 1, a plurality of sealing blocks 812 are arranged on the side wall of the lifting sealing plate 81, a plurality of sliding grooves 13 for accommodating the sealing blocks 812 are longitudinally formed in the inner wall of the hearth 1, two sides of the top of the sealing blocks 812 are respectively provided with a rotating seat 813, pulleys 814 are rotatably arranged on the rotating seats 813, and the two pulleys 814 are respectively attached to two sides of the sliding grooves 13; the top of the lifting sealing plate 81 is provided with at least two lifting rings 811, the outside of the lifting rings 811 is longitudinally sleeved with a sealing cylinder 86, the sealing cylinder 86 is fixedly connected with the top of the lifting sealing plate 81, the upper end of the sealing cylinder 86 penetrates through the top end of the hearth 1 and is provided with a sealing hole 14 on the side wall of the top end of the hearth 1, the top of the hearth 1 is provided with a fixing frame 82 at the position of the sealing cylinder 86, the fixing frame 82 is horizontally rotated and provided with a rotating wheel 85, the lifting chain 83 is wound on the rotating wheel 85, and one end of the lifting chain 83 is downwards embedded into the sealing cylinder 86 and is connected with the lifting rings 811 at the top of the lifting sealing plate 81;
the lower end of the hearth 1 is provided with a guide rail 15, the guide rail 15 is provided with a trolley 3, two sides of the trolley 3 are symmetrically provided with positioning plates 31, the two positioning plates 31 are respectively embedded into movable grooves 12 at two sides of the hearth 1, the upper end and the lower end of each positioning plate 31 are respectively attached to idler wheels 121 at the upper end and the lower end of each movable groove 12, the front end of the trolley 3 is abutted against the inner wall of the rear end of the hearth 1 and seals an embedded inlet 11, and the front end of the trolley 3 is provided with a clamping structure matched with the covering assembly;
the cover assembly comprises a mounting frame 41, a winding and unwinding reel 42, a driving motor 43 and a cover plate 441 group 44, the winding and unwinding reel 42 is rotatably arranged on the mounting frame 41, the driving motor 43 is arranged on the mounting frame 41 and drives the winding and unwinding reel 42 to rotate, the longitudinal section of the winding and unwinding reel 42 is of a polygonal structure, the winding and unwinding reel 42 is wound and provided with the cover plate 441 group 44, the cover plate 441 group 44 is formed by sequentially connecting a plurality of cover plates 441, two adjacent cover plates 441 are hinged with each other, one cover plate 441 positioned at the head end of the cover plate 441 group 44 horizontally penetrates through an embedding port 11 and is embedded into movable grooves 12 on two sides of a hearth 1, the top of the front end of the cover plate 441 is provided with a positioning groove 443 matched with the clamping structure, connection between the cover plate 441 and a trolley 3 is realized, the upper end and the lower end of the cover plate 441 are respectively attached to rollers 121 at the upper end and the lower end of the movable groove 12, the side walls of the two movable grooves 12 are provided with guide blocks 441 matched with the clamping structure, and the guide blocks 122 are arranged close to one end 122 of the guide blocks 122 are arranged close to one end 122 of the guide blocks 122 and are matched with one end 122 of the guide blocks 122 and are arranged close to one end 122 of the guide blocks 122 and are matched with one end 122 and close to one end 122 is near to the guide block 122.
Further, the inner walls of the upper and lower ends of the insertion opening 11 at the rear end of the furnace 1 are provided with a receiving groove 111, the upper and lower ends of the cover plates 441 at the head end of the cover plate 441 set 44 are provided with limiting plates 442 adapted to the receiving groove 111, and the limiting plates 442 are inserted into the receiving groove 111 to limit the cover plates 441 of the furnace 1.
Further, the number of the clamping structures is two and the clamping structures are respectively arranged at two sides of the front end of the trolley 3, the clamping structures comprise a mounting groove 5 and a clamping groove 6 which are arranged at the front end of the trolley 3, the clamping groove 6 is positioned at the lower end of the mounting groove 5, a cover plate 441 which is positioned at the head end of the cover plate 441 group 44 is embedded in the clamping groove 6, a limit claw 7 is movably arranged in the mounting groove 5, the limit claw 7 is in a Z-shaped structure, two ends of the limit claw 7 are respectively provided with a clamping claw 71 and a supporting part 72, one end of the claw 71 close to the cover plate 441 group 44 is in a cambered surface structure, one end of the clamping claw is downwards embedded into a positioning groove 443 of the cover plate 441 and limits the cover plate 441, the one end that supporting part 72 kept away from claw 71 is equipped with spring 732, spring 732 one end supports and presses on the inner wall of mounting groove 5 and supports supporting part 72, spacing jack catch 7 is close to the one end level of supporting part 72 and is equipped with round pin axle 73, round pin axle 73 one end is fixed to be set up on spacing jack catch 7's lateral wall, and the round pin axle 73 other end level runs through mounting groove 5 and enters into movable groove 12, and the round pin axle 73 end is provided with upset piece 731, upset piece 731 bottom is the slope setting and cooperatees with guide block 122 for round pin axle 73 drives spacing jack catch 7 and overturns, realizes spacing jack catch 7 and shielding plate 441 separation.
Further, the claw portion 71 is disposed at an incline away from one end of the set 44 of the cover plates 441, and the inner wall of one end of the positioning groove 443 adjacent to the trolley 3 is also disposed at an incline.
Further, the width of the sealing block 812 is adapted to the width of the chute 13.
Further, the cover 441 is an asbestos insulation board.
Working principle: when the trolley 3 is withdrawn, the shielding plate 441 group 44 can be pulled to move, so that the shielding plate 441 covers the bottom of the hearth 1 to prevent heat in the hearth 1 from flowing out, when the trolley 3 moves to the position of the furnace door 2, the tail end of the pin shaft 73 is provided with a turnover block 731, and the bottom of the turnover block 731 is obliquely arranged and matched with the guide block 122, so that the pin shaft 73 drives the limit claw 7 to turn over, and the limit claw 7 is separated from the shielding plate 441.
The rotating motor drives the rotating wheel 85 to rotate, and the height of the lifting sealing plate 81 is changed by using a chain, so that the change of the volume of the hearth 1 is realized.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (6)

1. The large-scale high-efficiency gas trolley type resistance furnace is characterized by comprising a furnace body, a trolley, a sealing cover assembly and a covering assembly, wherein the furnace body comprises a furnace chamber and a furnace door arranged at the front end of the furnace chamber, combustion nozzles are arranged on two sides of the furnace chamber, an embedded opening is formed in the bottom of the rear end of the furnace chamber, the covering assembly is arranged at the embedded opening, movable grooves are transversely formed in the lower ends of two sides of the furnace chamber, the positions of the movable grooves correspond to the positions of the embedded opening, and a plurality of groups of rollers are rotatably arranged at the upper end and the lower end of each movable groove; the upper end of the hearth is provided with the sealing cover assembly, the sealing cover assembly comprises a lifting sealing plate, a fixing frame, a lifting chain and a lifting motor, the size of the lifting sealing plate is matched with the size of the inner part of the hearth, a plurality of sealing blocks are arranged on the side wall of the lifting sealing plate, a plurality of sliding grooves for accommodating the sealing blocks are longitudinally formed in the inner wall of the hearth, two sides of the top of the sealing blocks are respectively provided with a rotating seat, pulleys are rotatably arranged on the rotating seats, and two pulleys are respectively attached to two sides of the sliding grooves; the top of the lifting sealing plate is provided with at least two lifting rings, the outer side of the lifting rings is longitudinally sleeved with a sealing cylinder, the sealing cylinder is fixedly connected with the top of the lifting sealing plate, the upper end of the sealing cylinder penetrates through the top of the hearth and is provided with a sealing hole on the side wall of the top of the hearth, the top of the hearth is provided with a fixing frame at the position of the sealing cylinder, the fixing frame horizontally rotates and is provided with a rotating wheel, the rotating wheel is wound and provided with a lifting chain, and one end of the lifting chain is downwards embedded into the sealing cylinder and is connected with the lifting ring at the top of the lifting sealing plate;
the lower end of the hearth is provided with a guide rail, the trolley is arranged on the guide rail, positioning plates are symmetrically arranged on two sides of the trolley, the two positioning plates are respectively embedded into movable grooves on two sides of the hearth, the upper end and the lower end of each positioning plate are respectively attached to idler wheels on the upper end and the lower end of each movable groove, the front end of the trolley is abutted against the inner wall of the rear end of the hearth and seals an embedded opening, and the front end of the trolley is provided with a clamping structure matched with the covering assembly;
the utility model provides a cover subassembly, cover subassembly includes the mounting bracket, receive and releases reel, driving motor, shielding plate group, rotate on the mounting bracket and set up receive and release the reel and rotate, receive and release the reel longitudinal section and be polygonal structure, receive and release the reel on the reel and coil up set up shielding plate group, shielding plate group is formed by a plurality of shielding plates links to each other in proper order, and articulates each other between two adjacent shielding plates, wherein be located shielding plate group's a shielding plate level run through inlay the mouth and imbed the movable groove of furnace both sides in, and this shielding plate front end top be equipped with joint structure matched with constant head tank, through constant head tank and joint structure matched with, realize being connected between shielding plate and the platform truck, both ends respectively with the gyro wheel laminating setting at movable groove upper and lower both ends, and be equipped with on the lateral wall of two movable grooves with joint structure matched with guide block, the guide block is located the one end that is close to the furnace gate, and the one end of guide block group is the slope setting, through guide block and joint structure and the separation of shielding plate and platform with the realization of shielding plate group.
2. The large-scale high-efficiency gas trolley type resistance furnace according to claim 1, wherein the inner walls of the upper end and the lower end of the embedded inlet at the rear end of the hearth are provided with accommodating grooves, the upper end and the lower end of the shielding plate at the head end of the shielding plate group are provided with limiting plates matched with the accommodating grooves, and the limiting plates are embedded into the accommodating grooves to limit the shielding plate by the hearth.
3. The large-scale high-efficiency gas trolley type resistance furnace according to claim 2, wherein the number of the clamping structures is two, the clamping structures are respectively arranged on two sides of the front end of the trolley, the clamping structures comprise a mounting groove and a clamping groove which are arranged at the front end of the trolley, the clamping groove is positioned at the lower end of the mounting groove, a shielding plate which is positioned at the front end of the shielding plate group is embedded in the clamping groove, a limiting claw is movably arranged in the mounting groove, the limiting claw is of a Z-shaped structure, two ends of the limiting claw are respectively provided with a claw part and a supporting part, one end of the claw part, which is close to one end of the shielding plate group, is arranged in a cambered surface structure, one end of the claw part is downwards embedded into a positioning groove of the shielding plate and limits the shielding plate, one end, which is far away from the claw part, is provided with a spring, one end of the spring is propped against the inner wall of the mounting groove and supports the supporting part, one end, which is close to the supporting part, of the pin is fixedly arranged on the side wall of the limiting claw, the other end of the pin horizontally penetrates through the mounting groove and enters the movable groove, and is provided with a turnover block, and the turnover block is arranged at the tail end, the turnover block is arranged at the bottom of the turnover block, and the turnover block is obliquely matched with the guide block, and the bottom of the turnover block is arranged to be matched with the guide pin, and the turnover block, and the bottom block is realized.
4. A large high efficiency gas fired trolley resistance furnace as claimed in claim 3, wherein the claw section is inclined at one end remote from the cover plate assembly and the locating slot is inclined at an inner wall of the end adjacent to the trolley.
5. A large high efficiency gas fired trolley resistance furnace as claimed in claim 1, wherein the seal block has a width dimension adapted to the width dimension of the chute.
6. A large high efficiency gas fired trolley resistance furnace as claimed in claim 1, wherein said cover plate is an asbestos insulation plate.
CN202111603074.0A 2021-12-24 2021-12-24 Large-scale high efficiency gas platform truck formula resistance furnace Active CN114688869B (en)

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CN114688869B true CN114688869B (en) 2023-06-30

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102703650B (en) * 2012-07-09 2013-07-31 丹阳市江南工业炉有限公司 Super-large trolley type gas heat treatment furnace
CN104515385B (en) * 2013-09-27 2017-01-11 丹阳正联知识产权运营管理有限公司 Front and back volume-variable trolley resistance furnace
CN104089475B (en) * 2014-06-18 2017-01-04 湖州华顺炉业有限公司 A kind of variable capacity bench vehicle type electrical resistance furnace
CN210506450U (en) * 2019-05-24 2020-05-12 武汉迈特炉业科技有限公司 Sealed strenghthened type platform truck stove
CN211689169U (en) * 2020-03-17 2020-10-16 济南市钢宝科贸有限公司 Energy-saving steel rolling heating furnace

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