CN211601584U

CN211601584U - Box resistance furnace protector

Info

Publication number: CN211601584U
Application number: CN202020111447.7U
Authority: CN
Inventors: 庄成龙
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-29
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a box resistance furnace protector, it includes the furnace body, the furnace gate, furnace, tensile subassembly and guard box, the guard box is arranged in the furnace of furnace body, the test piece of heating is arranged in the guard box, the guard box is formed by the concatenation of polylith steel sheet is fixed, a plurality of through-holes have evenly been seted up to the steel sheet, the setting of through-hole is convenient for heat transfer and makes the test piece be heated evenly, and intercept the piece after the test piece bursts, the damage that the bursting of test piece probably caused carbon rod electric heating element such as the furnace inner wall setting has been effectively avoided from this, the guard box is fixed to be installed with the one side of the opening homonymy of furnace and is had first connecting rod, the one end and the furnace gate of tensile subassembly rotate to be connected, the other end rotates with first connecting rod to stretch out the guard box in; the connection among the steel plates ensures that the protective box is not easy to deform due to high temperature under the double fastening action of the angle steel and the steel bar, and has long service life; the arrangement of the handle is convenient for transferring the protective box.

Description

Box resistance furnace protector

Technical Field

The utility model relates to a firing equipment protection field specifically is a box resistance furnace protector.

Background

The box-type resistance furnace is usually applied to laboratories, industrial and mining enterprises, scientific research units, small steel heat treatment and other places, and mainly heats a test piece through a carbon rod and other electric heating elements arranged on the inner wall of a hearth, and the test piece arranged in the hearth is easy to crack and other phenomena in the heating process, so that the box-type resistance furnace is damaged, particularly the carbon rod and other electric heating elements with high brittleness are damaged, and the box-type resistance furnace is short-circuited, high in danger and high in economic loss; in addition, after the test piece heating is accomplished, because of the high temperature in the furnace, the test piece is difficult to by effective safe taking out.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a box resistance furnace protector to solve the above-mentioned problem that electric heating element such as carbon-point that furnace inner wall set up is difficult to obtain effective protection and test piece after the heating in test piece heating process and is difficult to take out in furnace.

In order to achieve the above object, the utility model provides a box resistance furnace protector, include:

the furnace comprises a furnace body, a hearth, a furnace door, a protective box and a stretching assembly;

the furnace chamber is formed inside the furnace body, an electric heating element is arranged on the inner wall of the furnace chamber, and the furnace door is rotatably arranged on one side of the furnace body; the protective housing is arranged in the furnace, the protective housing includes the polylith steel sheet, arbitrary a plurality of through-holes have evenly been seted up to the steel sheet, polylith two liang concatenation between the steel sheet are fixed in order to form the protective housing, the protective housing with the one side fixed mounting of furnace's opening homonymy has first connecting rod, tensile subassembly's one end rotate connect in furnace gate, the other end rotate connect in first connecting rod, with the opening of furnace gate down with the protective housing in furnace inside pull-out.

Preferably, the protective housing still includes a plurality of angle steel and a plurality of reinforcing bar, and is adjacent welded fastening forms the right angle between the steel sheet, angle steel fixed mounting in the right angle, the reinforcing bar is used for with a plurality of angle steel fixed connection.

Preferably, the protective box is also provided with a handle.

Preferably, the stretching assembly comprises a first rotating rod and a second rotating rod, the first rotating rod is rotatably installed on the first connecting rod, a sliding groove is formed in the first rotating rod, a second connecting rod is slidably installed in the sliding groove, one end of the second rotating rod is fixedly connected with the second connecting rod, and the other end of the second rotating rod is rotatably installed on the furnace door.

Preferably, a protruding block is formed at one end, attached to the hearth, of the furnace door in a protruding manner, the protruding block is matched with the hearth, a groove is formed in the protruding block, one end, away from the first rotating rod, of the second rotating rod is rotatably installed inside the groove, and the second rotating rod is matched with the groove so that the second rotating rod is accommodated in the groove after being rotated.

Preferably, the bottom of the hearth is further provided with a high-temperature resistant spring and a protection plate, one end of the high-temperature resistant spring is fixedly mounted at the bottom of the hearth, the other end of the high-temperature resistant spring is fixedly connected with the protection plate, and the protection box is arranged on the upper end face of the protection plate.

Preferably, the bottom corner of the furnace body is provided with a support leg.

The utility model provides a pair of box resistance furnace protector has following beneficial effect: the protective box is formed by splicing and fixing a plurality of steel plates, the steel plates are provided with through holes, the steel plates and the through holes are arranged, on one hand, the temperature in the hearth can be uniformly transferred to a heating test piece in the protective box, on the other hand, the cracked test piece can be effectively blocked and intercepted, so that the cracked test piece is prevented from damaging electric heating elements such as a carbon rod and the like on the inner wall of the hearth, a stretching assembly can be pulled by the rotating action when the furnace door is opened, the protective box is partially pulled out from the hearth, and the test piece arranged in the protective box is also effectively taken out; the right-angle welding part of the steel plate is fixedly provided with an angle steel, and the steel bar fixedly connects a plurality of angle steels so as to double reinforce the protective box and prevent the heated protective box from deforming; the first rotating rod and the second rotating rod are designed to rotate, so that the closed furnace door can still keep good sealing with the hearth; the protection board and the high temperature resistant spring are arranged to protect the bottom of the hearth, so that impact caused by burst of the test piece is reduced.

Drawings

The accompanying drawings, which are described herein to provide a further understanding of the invention and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention without forming an undue limitation to the invention, in which:

FIG. 1 is a schematic structural diagram of an embodiment of a protective device for a box-type resistance furnace provided by the present invention;

FIG. 2 is a schematic diagram of the construction of one embodiment of the protective enclosure of FIG. 1;

fig. 3 is a schematic structural view of an embodiment of the connection between the shielding box, the stretching assembly and the door of fig. 1.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of a protective device for a box-type resistance furnace provided by the present invention; FIG. 2 is a schematic diagram of the structure of one embodiment of the protective enclosure of FIG. 1. The protective device of the box-type resistance furnace comprises a furnace body 1, a furnace door 11, a hearth 13, a protective box 2 and a stretching assembly 6, wherein the hearth 13 is formed inside the furnace body 1, the furnace door 11 is rotatably arranged on one side of the furnace body 1 so as to seal the hearth 13 after rotation, and the protective box 2 is arranged inside the hearth 13; the protective box 2 comprises a plurality of steel plates 21, the steel plates 21 are spliced and fixed in pairs to form the protective box 2 matched with the hearth 13, through holes 211 are uniformly distributed on the outer surface of the steel plates 21, when a test piece is heated, the test piece is placed in the protective box 2, under the protection of the protective box 2, the damage of the test piece in heating to electric heating elements such as a carbon rod and the like due to explosion is effectively avoided, the through holes 211 can be adjusted according to the size of fragments after the test piece is exploded, on one hand, the fragments after the test piece is exploded are prevented from damaging the hearth 13, on the other hand, heat generated by the electric heating elements such as the carbon rod and the like is conveniently transferred to the inside of the protective box 2, so that the; the side walls and the upper top surface of the protective box 2 and the hearth 13 are arranged at intervals to avoid the protective box 2 from generating micro deformation after being heated, so that the damage to the extrusion of electric heating elements such as carbon rods is caused; one side of protection box 2 and the opening homonymy of furnace 13 sets up installs first connecting rod 51, and the one end and the first connecting rod 51 of tensile subassembly 6 rotate to be connected, the other end rotates with furnace gate 11 to with protection box 2 pull out in furnace 13 internal part under opening of furnace gate 11.

Preferably, protective housing 2 is assembled by the welding of polylith steel sheet 21 and the shaping, weld and form the right angle between the adjacent steel sheet 21 promptly, protective housing 2 still includes a plurality of angle steel 22 and many reinforcing bars 23, angle steel 22 fixed mounting is in the right angle welding department between steel sheet 21, angle steel 22 is simultaneously fixed two adjacent steel sheets 21 promptly, reinforcing bar 23 then with fixed connection between a plurality of angle steel 22, under the reinforcing effect of angle steel 22 and reinforcing bar 23, effectively prevented that protective housing 2 from taking place great deformation after being heated in furnace 13.

Preferably, a handle 24 is also mounted to the top end of the shielding box 2 to facilitate removal and repositioning of the shielding box 2.

Preferably, a protection plate 3 and a high-temperature resistant spring 4 are further arranged in a hearth 13 of the furnace body 1, one end of the high-temperature resistant spring 4 is fixedly arranged at the bottom of the hearth 13, the other end of the high-temperature resistant spring is fixedly connected with the protection plate 3, the protection box 2 is arranged on the upper end face of the protection plate 3, and the protection plate 3 is supported by the high-temperature resistant spring 4, so that collision and impact of a workpiece and the protection box 2 on the bottom of the hearth 13 are further reduced.

Preferably, the bottom corners of the furnace body 1 are further provided with support legs 12 for stably supporting the furnace body 1.

Further, to better illustrate the connection between the tension assembly 6, the shielding box 2 and the oven door 11, please continue to refer to fig. 3. The stretching assembly 6 comprises a first rotating rod 61 and a second rotating rod 62, the first rotating rod 61 is rotatably mounted on the first connecting rod 51, the first rotating rod 61 is provided with a sliding groove 611, the second connecting rod 52 is slidably mounted in the sliding groove 611, the second connecting rod 52 is vertically mounted in the sliding groove 611, the second connecting rod 52 can slide in the sliding groove 611, and the right end of the second rotating rod 62 is fixedly mounted on the second connecting rod 52; the protruding lug 111 that is formed with of the one end arch of furnace gate 11 and furnace body 1 lock, lug 111 and furnace 13 looks adaptation, lug 111 has seted up recess 112, recess 112 and second bull stick 62 looks adaptation to make second bull stick 6 can be accomodate in recess 112, the left end of second bull stick 62 rotates and installs in recess 112, in order to pull out protection box 2 for furnace body 1 part under the rotatory opening of furnace gate 11, and then be convenient for take out the test piece of placing in protection box 2. If the protective box 2 needs to be partially pulled out of the hearth 13 of the furnace body 1, the furnace door 11 is slowly opened, the rotation of the furnace door 11 drives the second rotating rod 62 to slide in the chute 611 to the leftmost end of the first rotating rod 61, the furnace door 11 is continuously opened, the continuous rotation of the furnace door 11 drives the second rotating rod 62 and the first rotating rod 61 to translate and pull the protective box 2, so that the protective box 2 with overhigh temperature is prevented from damaging a human body; it should be particularly noted that, after the protection box 2 and the test piece are pushed into the furnace 13, when the furnace door 11 is closed, the rotation of the first rotating rod 61 and the second rotating rod 62 and the arrangement of the groove 112 effectively avoid the problem that the furnace door 11 and the furnace body 1 are not tightly closed.

The utility model provides a box resistance furnace protector, it includes the furnace body, the furnace gate, furnace, tensile subassembly and guard box, the guard box is arranged in the furnace of furnace body, the test piece of heating is arranged in the guard box, the guard box is formed by polylith steel sheet concatenation fixed, a plurality of through-holes have evenly been seted up to the steel sheet, the setting of through-hole is convenient for heat transfer and makes the test piece be heated evenly, and the piece interception after bursting the test piece, the damage that the bursting of test piece probably caused carbon rod electricity heating element such as the furnace inner wall setting has been effectively avoided from this, the guard box is fixed to be installed with the one side of the opening homonymy of furnace and is had first connecting rod, the one end and the furnace gate of tensile subassembly rotate to be connected, the other end rotates with first connecting rod to stretch out the guard box in furnace inside under; the connection among the steel plates ensures that the protective box is not easy to deform due to high temperature under the double fastening action of the angle steel and the steel bar, and has long service life; the arrangement of the handle is convenient for transferring the protective box; the furnace gate rotates and installs in one side of protective housing, and the furnace gate is formed with a lug, the lug offer with the recess of second bull stick looks adaptation, the first connecting rod of protective housing bottom rotates with first bull stick and second bull stick in proper order and is connected, the second bull stick rotates and installs in the recess, under the opening of furnace gate, the protective housing can pull out the protective housing in furnace inside part via first bull stick and second bull stick, in order to avoid the protective housing of high temperature to cause the harm to the human body, the rotatable setting of first bull stick and second bull stick, make the furnace gate after the closure still keep good leakproofness with the furnace body.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A box resistance furnace protector, its characterized in that includes:

2. The protective device of a box-type electric resistance furnace of claim 1, wherein: the protective box further comprises a plurality of angle steels and a plurality of steel bars, the angle steels are adjacent to each other and are welded and fixed to form a right angle, the angle steels are fixedly installed on the right angle, and the steel bars are used for fixedly connecting the angle steels in a plurality.

3. The protective device of a box-type electric resistance furnace of claim 1, wherein: the protective box is also provided with a handle.

4. The protective device of a box-type electric resistance furnace of claim 1, wherein: the stretching assembly comprises a first rotating rod and a second rotating rod, the first rotating rod is rotatably arranged on the first connecting rod, a sliding groove is formed in the first rotating rod, a second connecting rod is slidably arranged in the sliding groove, and one end of the second rotating rod is fixedly connected with the second connecting rod, and the other end of the second rotating rod is rotatably arranged on the furnace door.

5. The protective device of a box-type electric resistance furnace of claim 4, wherein: the furnace door is provided with a first rotating rod, a second rotating rod is arranged in the furnace cavity, a protruding block is formed at one end, attached to the furnace cavity, of the furnace door in a protruding mode, the protruding block is matched with the furnace cavity, a groove is formed in the protruding block, one end, far away from the first rotating rod, of the second rotating rod is rotatably installed in the groove, and the second rotating rod is matched with the groove so that the second rotating rod is contained in the groove after rotating.

6. The protective device of a box-type electric resistance furnace of claim 1, wherein: the furnace hearth is characterized in that a high-temperature-resistant spring and a protection plate are further arranged at the bottom of the furnace hearth, one end of the high-temperature-resistant spring is fixedly arranged at the bottom of the furnace hearth, the other end of the high-temperature-resistant spring is fixedly connected with the protection plate, and the protection box is arranged on the upper end face of the protection plate.

7. The protective device of a box-type electric resistance furnace of claim 1, wherein: and supporting legs are arranged at the corners of the bottom of the furnace body.