Disassembly and assembly auxiliary device for material temperature measuring thermocouple of industrial heating furnace

Abstract

The utility model relates to a material temperature measuring thermocouple dismounting auxiliary device for an industrial heating furnace, which comprises an auxiliary frame body detachably connected on a shell at the top of a thermocouple, the auxiliary frame body is connected with a plurality of traction ropes, and the bottom ends of the traction ropes are connecting ends used for binding corresponding thermocouples below. According to the disassembly and assembly auxiliary device for the material temperature measuring thermocouple of the industrial heating furnace, the thermocouple can be temporarily pulled when a flange plate is disassembled, the thermocouple is prevented from falling off, meanwhile, the situation that a thermocouple assembly needs to be held manually when the flange plate is disassembled is avoided, workers are liberated, and meanwhile disassembly of thermocouple wires of the thermocouple is facilitated.

Description

Technical Field

[0001] The utility model relates to a thermocouple disassembly and assembly auxiliary device used for measuring material temperature in an industrial heating furnace, and relates to the technical field of thermocouple disassembly and assembly. Background Art

[0002] Heating furnace, also known as industrial furnace, is an energy conversion device. Usually used in conjunction with a burner, the burner generates a combustion flame, which is input into the heating furnace, and the high-temperature furnace gas generated by the flame is used to heat the material or workpiece, raising the temperature without changing its shape.

[0003] Thermocouple is a commonly used temperature measuring element in temperature measuring instruments. It directly measures temperature and converts the temperature signal into a thermoelectric potential signal, which is then converted into the temperature of the measured medium through an electrical instrument (secondary instrument).

[0004] Thermocouple wires are usually fixed by flanges, which means that when removing the thermocouple wires, the flanges need to be removed first, and two workers are required to hold four thermocouple wires by hand when removing the flanges, which makes the removal of the thermocouple wires very inconvenient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a thermocouple disassembly and assembly auxiliary device for measuring material temperature in an industrial heating furnace.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a disassembly and assembly auxiliary device for thermocouples for measuring material temperature in industrial heating furnaces, comprising an auxiliary frame detachably connected to an outer shell on the top of the thermocouple, and a plurality of pulling ropes are connected to the auxiliary frame, and the bottom ends of the pulling ropes are used to bind the connection ends of the corresponding thermocouples below.

[0007] Preferably, the auxiliary frame is a circular ring, which is composed of a left semicircular ring and a right semicircular ring spliced ​​together, and the left semicircular ring and the right semicircular ring are both fixed with connecting protrusions on the splicing side, and the connecting protrusions are both provided with connecting through holes.

[0008] Preferably, the auxiliary frame is an annular body, and a plurality of binding through holes are arranged on the auxiliary frame along the circumference, and the top ends of the pulling ropes are all bound to the corresponding binding through holes.

[0009] Preferably, the bottom end of the pulling rope is fixedly connected with a circular ring.

[0010] Preferably, the pulling rope is a steel wire rope.

[0011] Preferably, a mounting round shell is fixedly provided at the bottom end of the outer shell, and the thermocouple is installed inside the mounting round shell.

[0012] Preferably, a flange is provided inside the mounting circular shell, and a plurality of snap-in notches are provided on the periphery of the flange along the circumferential distribution of a plurality of thermocouples, the number of the snap-in notches is the same as that of the thermocouples and they correspond one to one, and a positioning through hole is provided in the middle of the flange.

[0013] Preferably, the thermocouples are all passed through the mounting circular shell and inserted into the interior of the outer shell, the thermocouples are all provided with stepped shaft sections for clamping, compression springs sleeved on the periphery of the thermocouples are provided between the stepped shaft sections and the inner end surface of the mounting circular shell, the clamping notches are all clamped on the stepped shaft sections of the corresponding thermocouples, and a screw is coaxially fixed on the inner end surface of the mounting circular shell, the screw passes through the positioning through hole of the flange and is locked with a nut.

[0014] Preferably, the thermocouple is sleeved with a radially extending positioning plate at the end portion close to the inner end surface of the mounting circular shell, and the outer end portion of the positioning plate is fixedly provided with a radially extending limiting column.

[0015] Preferably, a plurality of guide grooves corresponding to the limiting columns are opened on the outer circumference of the mounting circular shell, the outer ends of the limiting columns extend to the outside of the corresponding guide grooves, and the guide grooves extend obliquely from top to bottom, and the bottom ends of the guide grooves pass through the bottom of the mounting circular shell.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the auxiliary device for disassembling and assembling a thermocouple for measuring material temperature in an industrial heating furnace can temporarily pull the thermocouple when disassembling the flange to prevent the thermocouple from falling, and avoids the need to manually support the thermocouple assembly when disassembling the flange, thereby freeing workers and facilitating the disassembly of the thermocouple wire.

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model.

[0019] Figure 2 It is a schematic diagram of the working state of an embodiment of the utility model.

[0020] Figure 3 Schematic diagram of the flange structure. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] like Figures 1 to 3 As shown, this embodiment provides a thermocouple disassembly and assembly auxiliary device for measuring material temperature in an industrial heating furnace, including an auxiliary frame 2 detachably connected to an outer shell 1 on the top of the thermocouple, and a plurality of pulling ropes 3 are connected to the auxiliary frame, and the bottom ends of the pulling ropes are connection ends for binding the corresponding thermocouples 4 below.

[0025] In the embodiment of the utility model, the auxiliary frame is a circular ring, which is composed of a left semicircular ring 21 and a right semicircular ring 22. The left semicircular ring and the right semicircular ring are both fixed with a connecting protrusion 23 on the splicing side, and the connecting protrusions are both provided with connecting through holes 24.

[0026] In the embodiment of the utility model, the auxiliary frame is an annular body, and a plurality of binding through holes 25 are arranged on the auxiliary frame along the circumference, and the top ends of the pulling ropes are all bound to the corresponding binding through holes.

[0027] In the embodiment of the utility model, the bottom end of the pulling rope is fixedly connected with a circular ring 26, and the circular ring forms a connection end for binding the corresponding thermocouple below.

[0028] In an embodiment of the utility model, the pulling rope is a steel wire rope.

[0029] In the embodiment of the utility model, a mounting round shell 5 is fixedly provided at the bottom end of the housing, and the thermocouple is installed inside the mounting round shell.

[0030] In an embodiment of the utility model, the outer diameter of the mounting round shell is greater than the outer diameter of the outer shell, and the auxiliary frame is arranged at the connection between the mounting round shell and the outer shell.

[0031] In the embodiment of the utility model, a flange 6 is arranged inside the mounting circular shell, and a plurality of snap-in notches 61 are arranged on the outer periphery of the flange along the circumferential distribution of a plurality of thermocouples. The number of the snap-in notches is the same as that of the thermocouples and they correspond one to one. A positioning through hole 62 is arranged in the middle of the flange.

[0032] In the embodiment of the utility model, the thermocouples are all passed through the mounting circular shell and inserted into the interior of the outer shell, the thermocouples are all provided with a stepped shaft section 41 for clamping, and a compression spring 42 sleeved on the periphery of the thermocouple is provided between the stepped shaft section and the inner end surface of the mounting circular shell. The clamping notches are all clamped on the stepped shaft section of the corresponding thermocouple, and a screw 51 is coaxially fixed on the inner end surface of the mounting circular shell. The screw passes through the positioning through hole of the flange and is locked by a nut 52.

[0033] In the embodiment of the utility model, the end of the thermocouple close to the inner end surface of the mounting round shell is sleeved with a radially extending positioning plate 43, and the outer end of the positioning plate is fixed with a radially extending limiting column 44.

[0034] In the embodiment of the utility model, a plurality of guide grooves 53 corresponding to the limiting columns are opened on the outer periphery of the mounting circular shell, the outer ends of the limiting columns extend to the outside of the corresponding guide grooves, and the guide grooves extend obliquely from top to bottom, and the bottom ends of the guide grooves pass through the bottom of the mounting circular shell.

[0035] In the embodiment of the present utility model, the number of the thermocouples is four.

[0036] In the embodiment of the utility model, a thermocouple wire 45 is provided on the outer end side of the thermocouple.

[0037] In the embodiment of the utility model, the working principle of the thermocouple disassembly and assembly auxiliary device for measuring material temperature in an industrial heating furnace is as follows:

[0038] In the initial state, the thermocouples all pass through the mounting round shell and are inserted into the interior of the outer shell, the snap-in notches of the flanges are snap-fitted onto the stepped shaft sections of the corresponding thermocouples, and the flanges are locked onto the screws via nuts, the compression springs are in a compressed state, and the thermocouples are in an installed state under the action of the flanges.

[0039] When the thermocouple needs to be disassembled, first splice the left semicircular ring and the right semicircular ring to the outer periphery of the shell where the installation round shell and the outer shell meet, and pass the bolts through the connecting through holes on the connecting protrusions and lock them with nuts, then the circular collar is set on the corresponding thermocouple limit column to achieve temporary pulling of the thermocouple. Then start to unscrew the nut on the screw of the flange. At this time, under the temporary pulling effect of the pulling rope on the thermocouple, the thermocouple will not fall down due to the release of the locking of the flange.

[0040] The thermocouple disassembly and assembly auxiliary device for measuring material temperature of an industrial heating furnace can temporarily pull the thermocouple when disassembling the flange to prevent the thermocouple from falling, and avoids the need to manually hold the thermocouple assembly when disassembling the flange, thereby freeing workers and facilitating the disassembly of the thermocouple wire.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A thermocouple disassembly and assembly auxiliary device for measuring material temperature in an industrial heating furnace, characterized in that: It comprises an auxiliary frame which is detachably connected to an outer shell on the top of the thermocouple. The auxiliary frame is connected to a plurality of pulling ropes, and the bottom ends of the pulling ropes are all connecting ends used to bind the corresponding thermocouples below.

2. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 1, characterized in that: The auxiliary frame is a circular ring, which is composed of a left semicircular ring and a right semicircular ring. The left semicircular ring and the right semicircular ring are both fixed with connecting protrusions on the connecting sides, and the connecting protrusions are both provided with connecting through holes.

3. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 1, characterized in that: The auxiliary frame is an annular body, and a plurality of binding through holes are arranged on the auxiliary frame along the circumference, and the top ends of the pulling ropes are all bound to the corresponding binding through holes.

4. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 1, characterized in that: The bottom ends of the pulling ropes are fixedly connected with circular rings.

5. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 1, characterized in that: The pulling rope is a steel wire rope.

6. The thermocouple disassembly and assembly auxiliary device for measuring material temperature in an industrial heating furnace according to claim 1, characterized in that: A mounting round shell is fixedly arranged at the bottom end of the shell, and the thermocouple is mounted inside the mounting round shell.

7. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 6, characterized in that: A flange is arranged inside the mounting circular shell, and a plurality of snap-in notches are arranged on the periphery of the flange along the circumferential distribution of a plurality of thermocouples. The number of the snap-in notches is the same as that of the thermocouples and they correspond one to one. A positioning through hole is arranged in the middle of the flange.

8. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 7, characterized in that: The thermocouples are all inserted into the interior of the outer shell through the mounting circular shell, and the thermocouples are all provided with stepped shaft sections for clamping. Compression springs sleeved on the periphery of the thermocouples are provided between the stepped shaft sections and the inner end surface of the mounting circular shell, and the clamping notches are all clamped on the stepped shaft sections of the corresponding thermocouples. A screw is coaxially fixed on the inner end surface of the mounting circular shell, and the screw passes through the positioning through hole of the flange and is locked by a nut.

9. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 8, characterized in that: The thermocouple is sleeved with a radially extending positioning plate at the end portion close to the inner end surface of the mounting circular shell, and the outer end portion of the positioning plate is fixed with a radially extending limiting column.

10. The auxiliary device for disassembling and assembling thermocouples for measuring material temperature in industrial heating furnaces according to claim 9, characterized in that: A plurality of guide grooves corresponding to the limiting columns are provided on the outer circumference of the mounting round shell, the outer ends of the limiting columns extend to the outside of the corresponding guide grooves, and the guide grooves extend obliquely from top to bottom, and the bottom ends of the guide grooves pass through the bottom of the mounting round shell.

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