Pressure type thermometer calibration device

Abstract

The utility model discloses a pressure type thermometer calibration device, a pressure type thermometer comprises a dial plate, the calibration device comprises a movable trolley, and the movable trolley comprises a bottom moving frame, a bottom plate, a bottom adjusting plate, a telescopic base, a telescopic rod and a magnetic suction plate. The bottom plate is fixed to the top of the bottom moving frame, the bottom adjusting plate is arranged on the bottom plate, the bottom adjusting plate makes contact with the bottom plate through the horizontal adjusting device, and the bottom adjusting plate is adjusted through the horizontal adjusting device to be kept horizontal; the telescopic base is fixed in the middle of the bottom adjusting plate; the bottom of the telescopic rod is arranged in the telescopic base and clings to the inner wall of the telescopic base; and the magnetic plate is fixedly connected with the top of the telescopic rod and is magnetically connected with a dial plate of the pressure type thermometer. According to the utility model, the calibrated pressure type thermometer dial plate can be fixed and kept vertical, and the problem that the dial plate is unstable in the calibration process is solved; the height is adjusted through the telescopic rod, and the liquid immersion depth problem of equipment can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure type thermometer calibration equipment technical field, concretely is a pressure type thermometer calibration device. BACKGROUND

[0002] The principle of the pressure type thermometer is based on the change relation between the saturated vapor pressure of the evaporated liquid in the closed temperature measuring system and the temperature, and the temperature is measured; when the temperature bag senses the temperature change, the saturated vapor in the closed system produces corresponding pressure, causes the change of the curvature of the elastic element, makes the displacement of the free end, and then the displacement is changed into the indication value by the gear amplification mechanism, and the thermometer has the characteristics of small volume, fast reaction speed, high sensitivity, direct reading and the like.

[0003] The common pressure type thermometer includes a reading dial, a temperature bag, a capillary tube connecting the reading dial and the temperature bag, and mechanical structures such as a spring tube and a gear amplification mechanism in the reading dial, after being used for a period of time, the pressure type thermometer needs to be calibrated, that is, the temperature bag is placed in a constant temperature tank or a constant temperature box, the reading dial is placed outside, and the pressure type thermometer is calibrated in different range ranges, in order to reduce the error during calibration, the reading dial of the pressure type thermometer needs to be kept in a state of use, that is, the dial is placed vertically to the horizontal plane and the dial is not rotated, the dial is a mechanical structure, and the dial is placed horizontally or inclined, which will affect the pointing of the pointer, and the resolution of the pressure type thermometer is generally not very small, and the reading will be very different if the pointer moves a distance, if the dial is rotated or not perpendicular to the horizontal plane, the internal mechanical structure will produce more deviation due to different stress, in addition, since the pressure type thermometer needs to be moved between different constant temperature tanks or constant temperature boxes during calibration, a simple and reliable moving device is needed to ensure that the reading dial of the pressure type thermometer is in the same position state during calibration in different constant temperature tanks or constant temperature boxes. UTILITY MODEL CONTENTS

[0004] The utility model provides a pressure type thermometer calibration device can fixedly move the reading dial of pressure type thermometer on moving device, simultaneously, setting horizontal adjusting device on moving device, guaranteeing that the reading dial of pressure type thermometer is perpendicular to horizontal plane and does not rotate, make pressure type thermometer calibration is in same position state.

[0005] Therefore, the utility model provides the following technical scheme:

[0006] A pressure thermometer calibration device, the pressure thermometer comprises a dial plate, the calibration device comprises a movable trolley, the movable trolley comprises a bottom moving frame, a bottom plate, a bottom adjusting plate, a telescopic base, a telescopic rod and a magnetic plate; the bottom plate is fixed on the top of the bottom moving frame, the bottom adjusting plate is arranged on the bottom plate, the bottom adjusting plate is in contact with the bottom plate through horizontal adjusting devices, and the bottom adjusting plate is kept horizontal through the horizontal adjusting devices; the telescopic base is fixed in the middle of the bottom adjusting plate, and the telescopic base comprises a hollow pipe perpendicular to the bottom adjusting plate; the telescopic rod is arranged in the telescopic base and tightly attached to the inner wall of the telescopic base, and a positioning screw is arranged on the top outer side of the telescopic base and tightly presses the telescopic rod; the magnetic plate is fixedly connected with the top of the telescopic rod, the magnetic plate is vertically arranged in a plane, and the magnetic plate is magnetically connected with the dial plate of the pressure thermometer.

[0007] In the scheme, the dial plate of the pressure thermometer is fixed on the movable trolley, the relative position of the dial plate of the pressure thermometer and the movable trolley does not change, the bottom adjusting plate is arranged on the movable trolley, the bottom adjusting plate is kept horizontal through the horizontal adjusting devices, and the hollow pipe of the telescopic base is fixed perpendicular to the bottom adjusting plate, so that the magnetic plate is only needed to be connected with the dial plate of the pressure thermometer, the hollow pipe of the telescopic base is kept parallel to the dial plate of the pressure thermometer, and the dial plate of the pressure thermometer is kept perpendicular to the horizontal plane; when the thermostat or the constant temperature box needs to be replaced, the movable trolley is only needed to be moved to the position near the specified thermostat or constant temperature box, and then the bottom adjusting plate is readjusted to keep the horizontal state, so that the calibration can be performed, and the position state of the dial plate of the pressure thermometer is unchanged.

[0008] As a preferred scheme of the utility model, two movable wheels are arranged on the two sides of the bottom moving frame. The bottom moving frame can be not provided with wheels and can be moved by hand, but is prone to fluctuation; or the wheels can be arranged, and the wheels have the advantage of facilitating movement and not generating excessive fluctuation during movement.

[0009] As a preferred scheme of the utility model, longitudinal horizontal observation devices and transverse horizontal observation devices are arranged around the telescopic base in the middle of the bottom adjusting plate, and the longitudinal horizontal observation devices and the transverse horizontal observation devices comprise bubble levels respectively. According to the scheme, the bubble levels are arranged in two directions of the bottom adjusting plate, and when it is observed through the bubble levels that the bottom adjusting plate is adjusted to the horizontal position in the two directions, the horizontal adjustment is completed.

[0010] As a preferred scheme of the utility model, the telescopic base side is equipped with a stabilizer, one end of the stabilizer is fixedly connected with the bottom adjusting plate, and the other end is fixedly connected with the telescopic base side. The stabilizer of the scheme can be provided with symmetric multiple groups of stabilizers, and the stabilizers can assist the telescopic base to be perpendicular to the bottom adjusting plate during production and use.

[0011] As a preferred scheme of the utility model, the hollow pipe is a square pipe, the telescopic rod is a square rod, and the square rod outer dimension cooperates with the square pipe inner diameter dimension. The square pipe and the square rod adopted in the scheme have the advantages that rotation does not occur, and the square rod top side can be directly utilized to fix the magnetic plate and the pressure type thermometer dial, and adjustment is not required.

[0012] As a preferred scheme of the utility model, the telescopic rod top is provided with a plane, and the telescopic rod top plane is fixedly provided with a circular universal bubble level. The scheme adopts the circular universal bubble level to ensure that the telescopic rod top plane is horizontal, and the telescopic rod side and the top plane are perpendicular to each other during production, so that the telescopic rod side can be directly utilized to fix the magnetic plate and the pressure type thermometer dial, and adjustment is not required.

[0013] As a preferred scheme of the utility model, the horizontal adjusting device comprises multiple horizontal adjusting bolts provided on the bottom adjusting plate, the horizontal adjusting bolts are in threaded connection with the bottom adjusting plate, and the bottom plate is provided with multiple adjusting grooves matched with the horizontal adjusting bolts. The horizontal adjusting bolt set of the scheme is used for small angle horizontal adjustment. Because the application scenario of the scheme does not produce large angle horizontal adjustment, the adjusting bolt is used to abut against the bottom plate, the adjusting bolt is rotated to be lengthened or shortened, the relative distance between the bottom adjusting plate and the bottom plate can be changed, and the horizontal state of the bottom adjusting plate is maintained; the position of the adjusting bolt abutting against the bottom plate is in the adjusting groove, and the adjusting bolt can be prevented from being displaced.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The pressure type thermometer dial to be calibrated can be fixed and kept vertical, the problem of unstable dial during calibration is solved, the height can be adjusted through the telescopic rod, the problem of equipment liquid immersion depth is solved, and the wheels are adopted, and the problem of equipment stable movement during calibration is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front structure schematic view of the utility model.

[0017] Fig. 2 It is a side structure schematic view of the utility model.

[0018] Figure: 1, movable trolley 2, bottom moving frame 3, bottom plate 4, bottom adjusting plate

[0019] 5, telescopic base 6, telescopic rod 7, magnetic plate 8, horizontal adjusting device

[0020] 9, positioning screw 10, dial 11, moving wheel

[0021] 12, longitudinal horizontal observation device 13, transverse horizontal observation device

[0022] 14, stabilizing rod 15, circular universal level bubble. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figs. 1-2 ,

[0025] A pressure type thermometer calibration device, the pressure type thermometer comprising a dial 10, the calibration device comprising a movable trolley 1, the movable trolley 1 comprising a bottom moving frame 2, a bottom plate 3, a bottom adjusting plate 4, a telescopic base 5, a telescopic rod 6, a magnetic plate 7; the bottom plate 3 is fixed on the top of the bottom moving frame 2, the bottom adjusting plate 4 is placed on the bottom plate 3, the bottom adjusting plate 4 is in contact with the bottom plate 3 through a horizontal adjusting device 8, and the bottom adjusting plate 4 is kept horizontal through the horizontal adjusting device 8; the telescopic base 5 is fixed in the middle of the bottom adjusting plate 4, and the telescopic base 5 comprises a hollow tube perpendicular to the bottom adjusting plate 4; the telescopic rod 6 is arranged in the telescopic base 5 and tightly attached to the inner wall of the telescopic base 5, and the top outer side of the telescopic base 5 is provided with a positioning screw 9 for pressing the telescopic rod 6; the magnetic plate 7 is fixedly connected with the top of the telescopic rod 6, the magnetic plate 7 is vertically arranged in a plane, and the magnetic plate 7 is magnetically connected with the dial 10 of the pressure type thermometer.

[0026] Two moving wheels 11 are arranged on the two sides of the bottom moving frame 2 respectively.

[0027] The longitudinal horizontal observation device 12 and the transverse horizontal observation device 13 are arranged around the telescopic base 5 in the middle of the bottom adjusting plate 4 respectively, and the longitudinal horizontal observation device 12 and the transverse horizontal observation device 13 each comprise a bubble level.

[0028] The telescopic base 5 is provided with a stabilizing rod 14, one end of the stabilizing rod 14 is fixedly connected with the bottom adjusting plate 4, and the other end is fixedly connected with the side surface of the telescopic base 5.

[0029] The hollow tube is a square tube, and the telescopic rod is a square rod, and the square rod is matched with the inner diameter size of the square tube.

[0030] The telescopic rod 6 is provided with a plane at the top, and the plane is fixed with a circular universal level bubble 15.

[0031] The horizontal adjusting device 8 comprises a plurality of horizontal adjusting bolts arranged on the bottom adjusting plate 4, and the horizontal adjusting bolts are threadedly connected with the bottom adjusting plate 4.

[0032] The working principle and use process of the utility model are as follows: the magnetic plate 7 is connected with the pressure type thermometer dial 10 through magnetic attraction, so that the pressure type thermometer dial 10 is parallel to the hollow tube of the telescopic base 5, that is, the pressure type thermometer dial is perpendicular to the horizontal plane; when it is necessary to replace the thermostat or the thermostat box, the movable trolley 1 is only needed to be moved to the position near the specified thermostat or the thermostat box, and then the bottom adjusting plate 4 is readjusted to keep the horizontal state, so that the calibration can be carried out, and the position state of the pressure type thermometer dial 10 is unchanged.

[0033] The adjusting bolt of the horizontal adjusting device 8 is used to support the bottom plate 3, the adjusting bolt is rotated to be lengthened or shortened, the relative distance between the bottom adjusting plate 4 and the bottom plate 3 can be changed, so that the horizontal state of the bottom adjusting plate 4 is kept, and when the adjustment is carried out, the bubble level of the longitudinal horizontal observation device 12 and the transverse horizontal observation device 13 is observed, or the circular universal level bubble 15 at the top of the telescopic rod 6 is observed, so that whether the bottom adjusting plate 4 reaches the horizontal state can be judged.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A calibration device for a pressure thermometer, wherein the pressure thermometer includes a dial, and the calibration device includes a movable trolley, characterized in that: The movable trolley includes a bottom moving frame, a base plate, a bottom adjusting plate, a telescopic base, a telescopic rod, and a magnetic suction plate; The base plate is fixed to the top of the bottom movable frame, the bottom adjusting plate is placed on the base plate, the bottom adjusting plate contacts the base plate through a horizontal adjustment device, and the bottom adjusting plate is adjusted to maintain horizontality through the horizontal adjustment device; The telescopic base is fixed in the middle of the bottom adjustment plate, and the telescopic base includes a hollow tube perpendicular to the bottom adjustment plate; The bottom of the telescopic rod is located inside the telescopic base and is flush against the inner wall of the telescopic base. The top outer side of the telescopic base is provided with positioning screws to press the telescopic rod. The magnetic plate is fixedly connected to the top of the telescopic rod, the magnetic plate is vertically arranged, and the magnetic plate is magnetically connected to the dial of the pressure thermometer.

2. The pressure thermometer calibration device according to claim 1, characterized in that: The bottom movable frame is equipped with two movable wheels on each side.

3. The pressure thermometer calibration device according to claim 1, characterized in that: The bottom adjustment plate is provided with a longitudinal horizontal observation device and a transverse horizontal observation device around the telescopic base. The longitudinal horizontal observation device and the transverse horizontal observation device each include a bubble level.

4. The pressure thermometer calibration device according to claim 1, characterized in that: The telescopic base is provided with a stabilizing rod on its side. One end of the stabilizing rod is fixedly connected to the bottom adjustment plate, and the other end is fixedly connected to the side of the telescopic base.

5. The pressure thermometer calibration device according to claim 1, characterized in that: The hollow tube is a square tube, and the telescopic rod is a square rod. The outer dimensions of the square rod match the inner diameter of the square tube.

6. The pressure thermometer calibration device according to claim 5, characterized in that: The top of the telescopic rod is provided with a flat surface, and a circular universal spirit level is fixed to the top flat surface of the telescopic rod.

7. The pressure thermometer calibration device according to claim 1, characterized in that: The leveling device includes multiple leveling bolts on the bottom adjustment plate, the leveling bolts being threadedly connected to the bottom adjustment plate, and the bottom plate having multiple adjustment grooves that cooperate with the leveling bolts.

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