CN218885188U - Thermocouple device for measuring material temperature of heating furnace - Google Patents

Abstract

The utility model relates to a thermocouple temperature measurement technical field discloses a thermocouple device for heating furnace surveys material temperature, including support frame and with support frame sliding connection's thermocouple assembly, both ends all are equipped with the diaphragm that parallels with thermocouple assembly about the support frame, are equipped with the cylinder on the diaphragm of support frame lower extreme, and the piston end of cylinder is connected with the push rod, and thermocouple assembly downside is equipped with two stands of being connected with the push rod, and the cylinder carries out horizontal migration through push rod and stand drive thermocouple assembly. The utility model relates to a thermocouple device temperature measurement for heating furnace survey material temperature is accurate to can protect thermocouple needle point and the inside spare part of device.

Description

Thermocouple device for measuring material temperature of heating furnace

Technical Field

The utility model relates to a thermocouple temperature measurement technical field, concretely relates to thermocouple device for heating furnace surveys material temperature.

Background

The thermocouple (thermocouple) is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument (secondary instrument).

The thermocouple needle point of the traditional thermocouple device can bear large external force in the temperature measuring process of a heating furnace, and the needle point often has the problems of deformation, damage and the like under the action of the external force, so that the measurement precision of the needle point is reduced or even loses efficacy, temperature measuring errors are caused, and product quality accidents are caused. Meanwhile, the thermocouple measures temperature for a long time in a high-temperature environment, and some parts are influenced by high temperature, so that the performance is changed and even the parts are invalid, equipment faults occur frequently, the continuity of production is restricted, and the production efficiency is seriously influenced.

Therefore, a thermocouple device which has high measurement accuracy and can protect a needle tip and internal components is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a thermocouple device for material temperature is surveyed to heating furnace aims at solving current thermocouple needle point yielding, damage at the temperature measurement in-process, leads to the problem of temperature measurement error.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

the utility model provides a thermocouple device for heating furnace survey material temperature which characterized in that: the thermocouple assembly comprises a support frame and a thermocouple assembly which is in sliding connection with the support frame, transverse plates parallel to the thermocouple assembly are arranged at the upper end and the lower end of the support frame, a cylinder is arranged on the transverse plate at the lower end of the support frame, a push rod is connected to the piston end of the cylinder, two upright posts connected with the push rod are arranged on the lower side of the thermocouple assembly, and the cylinder drives the thermocouple assembly to move horizontally through the push rod and the upright posts.

By adopting the technical scheme, when the temperature of the plate ingot of the heating furnace needs to be measured, the distance between the thermocouple assembly and the plate ingot of the heating furnace is checked, then the air cylinder is started, and the air cylinder drives the thermocouple assembly to move towards the plate ingot of the heating furnace until the detection end of the thermocouple assembly is contacted with the plate ingot of the heating furnace.

Furthermore, one side of the transverse plate facing the thermocouple assembly is provided with a guide wheel, and the guide wheels are abutted to the thermocouple assembly.

Due to the structural design, the movement direction of the thermocouple assembly can be further limited through the guide wheel, so that the thermocouple assembly can only move back and forth, and the stability is higher.

Further, the thermocouple assembly comprises an outer shell and an inner shell in sliding connection with the outer shell, a second buffer spring is arranged between the outer shell and the inner shell, a thermocouple is in sliding connection with the inner shell, a first buffer spring is arranged between the thermocouple and the inner shell, and a limiting mechanism is further arranged on the outer shell.

Such structural design, the thermocouple detection end needle point is protected to first buffer spring of accessible and second buffer spring, and buffer spring has the compression stroke, can prevent that the thermocouple needle point from receiving external force damage.

Further, stop gear includes the limiting plate with shell fixed connection, limiting plate upper end threaded connection has the adjusting screw, the limiting plate both sides all are equipped with the adjusting nut with adjusting screw threaded connection, the one end that the adjusting screw is close to the leading wheel is equipped with the stopper, the stopper is just to the leading wheel.

By the aid of the structural design, position limitation can be achieved through the limiting mechanism, and the limiting mechanism can be adjusted according to working requirements.

Further, the first buffer spring and the second buffer spring are provided with bakelite pads at two ends.

Due to the structural design, the bakelite pad has the characteristic of high temperature resistance and can play a good heat insulation role.

Further, the first buffer spring and the second buffer spring are coated with high-temperature resistant protective layers.

Due to the structural design, the spring can be protected by the high-temperature-resistant protective layer, so that the performance of the spring is ensured not to lose efficacy under the high-temperature condition.

Has the beneficial effects that:

the utility model relates to a thermocouple device for measuring material temperature of a heating furnace, which is provided with a first buffer spring and a second buffer spring, wherein the elastic force of the two buffer springs is one big and one small, and the two buffer springs can contract when a thermocouple is stressed, so as to prevent the tip of the thermocouple from being damaged by external force; the thermocouple device of the utility model is also provided with a limiting plate, an adjusting screw, an adjusting nut, a limiting block and a guide wheel, which can limit the position and adjust according to the requirement; the utility model discloses still be equipped with the bakelite pad, can completely cut off the heat, prevent heat transfer to guarantee that spare parts such as spring, cylinder normally work.

The utility model relates to a thermocouple device for heating furnace survey material temperature has solved the thermocouple needle point and has warp, damaged problem because of bearing the exogenic action in the temperature measurement process, has solved because of the thermocouple needle point warp, damage the temperature measurement error problem that arouses, has solved the problem that high temperature environment leads to spare parts such as buffer spring to become invalid among the thermocouple device.

Drawings

FIG. 1 is a schematic view of the thermocouple device of the present invention;

FIG. 2 is a partial front cross-sectional view of the thermocouple device of the present invention;

FIG. 3 is a schematic structural view of a limiting mechanism;

the reference numbers in the figures are as follows: thermocouple 1, thermocouple assembly 2, push rod 3, diaphragm 4, cylinder 5, stand 6, stop gear 7, leading wheel 8, support frame 9, shell 10, inner shell 11, second buffer spring 12, first buffer spring 13, limiting plate 14, adjusting screw 15, adjusting nut 16, limiting block 17, bakelite pad 18.

Detailed Description

The following description is given by way of specific embodiments, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure provided in the present specification. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that, if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, therefore, the terms describing the positional relationships in the drawings are used only for exemplary illustration and are not to be construed as limitations of the present invention, and those skilled in the art can understand the specific meanings used above according to the specific situations.

As shown in fig. 1-3, the thermocouple device for measuring material temperature of a heating furnace of the present invention comprises a support frame 9 and a thermocouple assembly 2 slidably connected to the support frame 9. The thermocouple assembly 2 comprises an outer shell 10 and an inner shell 11 connected with the outer shell 10 in a sliding mode, a second buffer spring 12 is arranged between the outer shell 10 and the inner shell 11, a thermocouple 1 is connected in the inner shell 11 in a sliding mode, and a first buffer spring 13 is arranged between the thermocouple 1 and the inner shell 11. The first buffer spring 13 and the second buffer spring 12 are provided at both ends thereof with a bakelite pad 18, and the first buffer spring 13 and the second buffer spring 12 are coated with a high temperature resistant protective layer.

The diaphragm 4 that parallels with thermocouple assembly 2 is all installed at both ends about the support frame 9, installs cylinder 5 on the diaphragm 4 of support frame 9 lower extreme, and the piston end of cylinder 5 is connected with push rod 3, two stands 6 of shell 10 downside fixedly connected with, two stands 6 all with push rod 3 fixed connection, and cylinder 5 carries out horizontal migration through push rod 3 and stand 6 drive thermocouple assembly 2. And guide wheels 8 are arranged on one sides of the upper transverse plate 4 and the lower transverse plate 4 facing the thermocouple assembly 2, and the guide wheels 8 are abutted to the thermocouple assembly 2.

The shell 10 of the thermocouple assembly 2 is also provided with a limiting mechanism 7. Limiting mechanism 7 includes limiting plate 14 with shell 10 fixed connection, and limiting plate 14 upper end threaded connection has adjusting screw 15, and limiting plate 14 both sides all are equipped with adjusting nut 16 with adjusting screw 15 threaded connection, and adjusting screw 15 left end fixedly connected with stopper 17, stopper 17 is just to leading wheel 8.

When the temperature of the plate ingot of the heating furnace needs to be measured, the distance between the thermocouple assembly 2 and the plate ingot of the heating furnace is checked, the maximum distance is estimated, and then the limiting mechanism 7 is adjusted according to the estimated maximum distance to limit the position. The adjustment process of the limiting mechanism 7 is as follows: the adjustment screw 15 is rotated to adjust the distance between the stopper 17 at the left end of the adjustment screw 15 and the guide wheel 8, and then the adjustment screw 15 is further fixed by the adjustment nut 16. And then starting the air cylinder 5, wherein the air cylinder 5 drives the thermocouple assembly 2 to move towards the heating furnace plate ingot through the push rod 3 and the upright post 6 until the detection end of the thermocouple 1 is contacted with the heating furnace plate ingot, and measuring the temperature.

When the cylinder 5 drives the thermocouple 1 to contact with the heating furnace plate ingot, the driving distance of the cylinder 5 basically exceeds the standard. When the cylinder 5 drives the thermocouple 1 to move towards the heating furnace plate ingot, the detection end of the thermocouple 1 is firstly contacted with the heating furnace plate ingot. When the detection end of the thermocouple 1 bears external force, the thermocouple 1 moves towards one end far away from the heating furnace plate ingot relative to the inner tube, and compresses the first buffer spring 13. If the distance driven by the cylinder 5 is still a large stroke, the thermocouple 1 and the inner tube synchronously move leftwards, the second buffer spring 12 is compressed until the limiting block 17 of the adjusting screw 15 abuts against the guide wheel 8, the cylinder 5 can not drive the thermocouple 1 to move towards the heating furnace plate ingot at the moment, the temperature measurement operation can be directly carried out, and the cylinder 5 drives the thermocouple assembly 2 to return after the operation is finished.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims (6)

1. The utility model provides a thermocouple device for heating furnace surveys material temperature which characterized in that: including support frame (9) and with support frame (9) sliding connection's thermocouple assembly (2), both ends all are equipped with diaphragm (4) that parallel with thermocouple assembly (2) about support frame (9), be equipped with cylinder (5) on diaphragm (4) of support frame (9) lower extreme, the piston end of cylinder (5) is connected with push rod (3), thermocouple assembly (2) downside is equipped with two stand (6) of being connected with push rod (3), cylinder (5) carry out horizontal migration through push rod (3) and stand (6) drive thermocouple assembly (2).

2. The thermocouple device for measuring the material temperature of the heating furnace according to claim 1, wherein: one side of the transverse plate (4) facing the thermocouple assembly (2) is provided with a guide wheel (8), and the guide wheel (8) is abutted to the thermocouple assembly (2).

3. The thermocouple device for measuring the charge temperature of the heating furnace according to claim 2, wherein: thermocouple assembly (2) include shell (10) and with shell (10) sliding connection's inner shell (11), be equipped with second buffer spring (12) between shell (10) and inner shell (11), sliding connection has thermocouple (1) in inner shell (11), be equipped with first buffer spring (13) between thermocouple (1) and inner shell (11), still be equipped with stop gear (7) on shell (10).

4. The thermocouple device for measuring the material temperature of the heating furnace according to claim 3, wherein: stop gear (7) include with shell (10) fixed connection's limiting plate (14), limiting plate (14) upper end threaded connection has adjusting screw (15), limiting plate (14) both sides all are equipped with adjusting nut (16) with adjusting screw (15) threaded connection, the one end that adjusting screw (15) are close to leading wheel (8) is equipped with stopper (17), stopper (17) are just to leading wheel (8).

5. The thermocouple device for measuring the charge temperature of the heating furnace according to claim 3, wherein: and both ends of the first buffer spring (13) and the second buffer spring (12) are provided with bakelite pads (18).

6. The thermocouple device for measuring the charge temperature of the heating furnace according to claim 3, wherein: the first buffer spring (13) and the second buffer spring (12) are coated with high-temperature resistant protective layers.

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