CN218120791U

CN218120791U - Measuring tool for measuring axial center of cylindrical furnace

Info

Publication number: CN218120791U
Application number: CN202221525855.2U
Authority: CN
Inventors: 郑波; 蒋云政; 贾瑞鑫; 李纪勇; 田源; 张幼嵘; 廖章宏; 张小方; 郑来旭; 刘树生; 胡毅; 李立; 杨福田; 司诚
Original assignee: Guizhou Xishui Dingtai Energy Development Co Ltd
Current assignee: Guizhou Xishui Dingtai Energy Development Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-23
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a measuring tool for determining axial center of drum stove, including two chi poles, articulate each other through the articulated screw rod between the tip of two chi poles, be provided with universal spirit level on the articulated screw rod, the scale face of universal spirit level is towards the lateral wall of articulated screw rod dorsad, universal spirit level can carry out relative activity or stagnation on the articulated screw rod with the articulated screw rod in the circumference of articulated screw rod, be provided with the slider on each chi pole, the slider can carry out relative activity or stagnation on the chi pole with the length direction of chi pole, be provided with the straight-bar on the slider, the straight-bar is on a parallel with the articulated screw rod and straight-bar and universal spirit level all lie in the same side of chi pole, be provided with the elastic wire between two straight-bars; wherein, measuring tool still includes the suspension wire, and the one end of suspension wire is connected in articulated screw rod, is connected with the line weight on the other end of suspension wire. The utility model discloses can survey the axial direction of drum stove more accurately.

Description

Measuring tool for measuring axial center of cylindrical furnace

Technical Field

The utility model relates to a measuring tool technical field especially relates to a measuring tool for determining the axial direction of drum stove.

Background

In industrial processes, a thermocouple is the most widely used temperature measuring element, and two conductors made of different materials form a closed loop, so that when the temperatures in the loop are different (namely, temperature difference exists), thermoelectric potential is generated, and the phenomenon is called thermoelectric effect. Thermocouples use this principle to measure temperature. The measurement accuracy and accuracy of the thermocouple are directly related to the quality of industrial products, and according to national metrological verification regulations, the thermocouple must be verified by a verification furnace regularly to judge whether the thermoelectric property of the thermocouple meets the national standard. The verification furnace is necessary equipment in the thermocouple verification process of various division numbers within the temperature range of 300-1200 ℃.

In the related technology, most verification furnaces are tubular furnaces, the tubular furnaces are cylindrical, when the thermocouples are verified by the tubular furnaces, the thermocouples to be verified and the standard thermocouples are bound and installed at the central axis of the tubular furnaces under the theoretical condition, so that the standard thermocouples and the thermocouples to be verified are located in the same reference system, but actually, the installation positions of the thermocouples to be verified and the standard thermocouples are determined only through manual measurement, errors are large, time and labor are wasted, the real temperature of the thermocouples to be verified cannot be accurately measured, and verification effects are affected.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model provides a measuring tool for determining the axial center of a cylindrical furnace, which is characterized in that the measuring tool comprises two ruler rods, one end parts of the two ruler rods are hinged with each other through a hinged screw, a universal level gauge is arranged on the hinged screw, the scale surface of the universal level gauge faces away from the side wall of the hinged screw, the universal level gauge can move relative to the hinged screw or be stopped on the hinged screw along the circumferential direction of the hinged screw, a sliding block is arranged on each ruler rod, the sliding block can move relative to the ruler rods along the length direction of the ruler rods or be stopped on the ruler rods, a straight rod is arranged on the sliding block, the straight rod is parallel to the hinged screw, the straight rod and the universal level gauge are both positioned on the same side of the ruler rods, and an elastic line is arranged between the two straight rods; the measuring tool further comprises a suspension wire, one end of the suspension wire is connected to the hinged screw rod, and the other end of the suspension wire is connected with a wire weight.

Preferably, the hinge screw is in threaded fit with two first fixing nuts, the ends of the two ruler rods hinged to each other are located between the two first fixing nuts, and the two first fixing nuts can clamp or loosen the ends of the two ruler rods hinged to each other.

Preferably, the lateral wall of articulated screw rod is equipped with movable sleeve pipe by the cover, movable sleeve pipe is located outside two first fixation nuts, universal spirit level is fixed on movable sleeve pipe's the lateral wall, movable sleeve pipe's both sides be provided with respectively with articulated screw rod screw-thread fit's second fixation nut, two second fixation nut can press from both sides tightly or loosen movable sleeve pipe.

Preferably, the gimbal level is adjacent to the blade bar in an axial direction of the articulation screw with respect to the one end of the suspension wire.

Adopt the utility model provides a measuring tool can survey the axial direction center of drum stove more accurately to the mounted position's of thermocouple and standard thermocouple error has been reduced.

Drawings

Fig. 1a is a schematic structural view of a measuring tool for determining the axial center of a cylindrical furnace according to an embodiment of the present invention;

FIG. 1b is an enlarged view of a portion of the measuring tool shown in FIG. 1a for determining the axial center of a cylindrical furnace;

fig. 2 is an explanatory view of use of a measuring tool for determining the axial center of a cylindrical furnace according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following describes in detail embodiments of the present invention with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the figures and described in accordance with the figures are merely exemplary and the invention is not limited to these embodiments.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

The present embodiment provides a measuring tool for determining the axial center of a cylindrical furnace, and as shown in fig. 1a and 1b, the measuring tool of the present embodiment includes two rule rods 1, one end portions of the two rule rods 1 are hinged to each other by a hinge screw 2, and the hinge screw 2 and the rule rods 1 are perpendicular to each other. Articulated screw rod 2 is last to be provided with universal spirit level 3, universal spirit level 3's scale face dorsad articulated screw rod 2's lateral wall, universal spirit level 3 can with articulated screw rod 2's circumference with articulated screw rod 2 carries out relative activity or stagnation on articulated screw rod 2. Each ruler rod 1 is provided with a sliding block 11, and the sliding block 11 can move relative to the ruler rod 1 in the length direction of the ruler rod 1 or can be stopped on the ruler rod 1. The sliding block 11 is provided with a straight rod 12, the straight rod 12 is parallel to the hinge screw 2, the straight rod 12 and the universal level 3 are both located on the same side of the ruler rod 1, an elastic wire 4 is arranged between the two straight rods 12, and the elastic wire 4 is made of a material with high toughness, so that the elastic wire 4 can be kept in a straightening state all the time when being stretched. The elastic thread 4 is preferably made of a rubber material. The measuring tool further comprises a suspension wire 5, one end of the suspension wire 5 is connected to the hinged screw rod 2, and the other end of the suspension wire 5 is connected with a wire weight 6.

Specifically, in the present embodiment, two first fixing nuts 21 are screwed on the hinge screw 2. The ends of the two measuring staff rods 1 hinged to each other are located between the two first fixing nuts 21, and the two first fixing nuts 21 can clamp or release the ends of the two measuring staff rods 1 hinged to each other. After the included angle between the two measuring staff rods 1 is determined, the two first fixing nuts 21 are used for clamping the end parts, hinged to each other, of the two measuring staff rods 1, so that the included angle between the two measuring staff rods 1 is ensured to be fixed. When the angle between the two measuring sticks 1 needs to be adjusted or the measuring tool needs to be retracted, the two first fixing nuts 21 are loosened, so that the end parts of the two measuring sticks 1 hinged to each other are loosened, and the angle between the two measuring sticks 1 is freely adjusted.

More specifically, in this embodiment, a movable sleeve 22 is sleeved on a side wall of the hinge screw 2, and an axial direction of the movable sleeve 22 is parallel to the hinge screw 2. The movable sleeve 22 is located outside the two first fixed nuts 21, that is, the movable sleeve 22 is not located between the two first fixed nuts 21. The movable sleeve 22 is movable relative to the hinge screw 2 in the axial and circumferential directions of the hinge screw 2. The universal level 3 is fixed on the side wall of the movable sleeve 22, second fixing nuts 23 in threaded fit with the hinge screw 2 are respectively arranged on two sides of the movable sleeve 22, and the two second fixing nuts 23 can clamp or loosen the movable sleeve 22, so that the relative position between the hinge screw 2 and the universal level 3 can be adjusted.

Preferably, in the present embodiment, the gimbal level 3 is close to the blade 1 with respect to the one end of the suspension wire 5 in the axial direction of the articulated screw 2.

The operation of the measuring tool of the present embodiment is described in detail below with reference to fig. 1a and 1b and fig. 2.

Step 1, a cylindrical furnace A (hereinafter referred to as cylindrical furnace) to be measured is placed on a horizontal platform.

And 2, adjusting the included angle between the ruler rods 1 to enable the included angle between the two ruler rods 1 to be 90 degrees and fixing. This step can be performed using an auxiliary tool such as an angle gauge.

And 3, adjusting the angle between the universal level 3 and the ruler rod 1 to enable the included angle between the back of the universal level 3 (the surface of one side, facing the hinged screw rod 2, of the universal level 3) and the ruler rod 1 to be 45 degrees and fixing the included angle. This step can be performed using an auxiliary tool such as an angle gauge.

And 4, placing the measuring tool on the cylindrical furnace A, enabling the side wall of the cylindrical furnace A to be abutted against the ruler rod 1, and adjusting the inclination of the measuring tool to enable the air bubble of the universal level 3 to be positioned at the center of the dial plate.

And 5, when the air bubble of the universal level meter 3 is positioned at the center of the dial plate, hoisting the wire drop 6 through the suspension wire 5 to ensure that the suspension wire 5 is vertical to the horizontal platform.

And 6, respectively adjusting the position of the sliding block 11 on the ruler rod 1 to ensure that the distance from the sliding block 11 to the hinged screw rod 2 is twice as long as the distance from the tangent point of the ruler rod 1 and the side wall of the cylindrical furnace A to the hinged screw rod 2, and fixing the sliding block 11 by fixing means such as magnets. At this time, it can be judged by the geometrical principle (refer to fig. 2) that the intersection of the elastic wire 4 and the suspension wire 5 is close to the axial center of the cylindrical furnace a.

The measuring tool provided by the embodiment can be used for accurately measuring the axial center of the cylindrical furnace A, so that the error of the installation positions of the thermocouple and the standard thermocouple is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A measuring tool for measuring the axial center of a cylindrical furnace is characterized by comprising two ruler rods, wherein one end parts of the two ruler rods are hinged with each other through a hinged screw rod, a universal level meter is arranged on the hinged screw rod, a scale surface of the universal level meter faces away from the side wall of the hinged screw rod, the universal level meter can move relative to the hinged screw rod or can be stopped on the hinged screw rod along the circumferential direction of the hinged screw rod, a sliding block is arranged on each ruler rod, the sliding block can move relative to the ruler rods or can be stopped on the ruler rods along the length direction of the ruler rods, a straight rod is arranged on the sliding block, the straight rod is parallel to the hinged screw rod, the straight rod and the universal level meter are both located on the same side of the ruler rods, and an elastic wire is arranged between the two straight rods; the measuring tool further comprises a suspension wire, one end of the suspension wire is connected to the hinged screw rod, and the other end of the suspension wire is connected with a wire weight.

2. The measuring tool according to claim 1, wherein the hinge screw is threadedly engaged with two first fixing nuts, the ends of the two rule rods hinged to each other being located between the two first fixing nuts, the two first fixing nuts being capable of clamping or unclamping the ends of the two rule rods hinged to each other.

3. The measuring tool according to claim 2, wherein a movable sleeve is sleeved on a side wall of the hinge screw, the movable sleeve is positioned outside the two first fixing nuts, the universal level is fixed on the side wall of the movable sleeve, second fixing nuts in threaded fit with the hinge screw are respectively arranged on two sides of the movable sleeve, and the two second fixing nuts can clamp or loosen the movable sleeve.

4. The measuring tool of claim 3, wherein the gimbal level is proximate the blade relative to the one end of the suspension wire in an axial direction of the articulation screw.