CN211954496U

CN211954496U - Normal temperature rise thermocouple testing arrangement

Info

Publication number: CN211954496U
Application number: CN201922455573.4U
Authority: CN
Inventors: 彭淑荣; 萧泽鹏
Original assignee: Shenzhen Xin'an Standard Technology Co ltd
Current assignee: Shenzhen Xin'an Standard Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-17
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a normal temperature rise thermocouple testing device, which comprises a fixed plate, wherein the left side end of the fixed plate is fixedly connected with a mounting plate, the top end of the mounting plate is fixedly provided with a motor, the top end of the motor is provided with a rotating shaft, the right side end of the rotating shaft is fixedly provided with a screw A, the inner side wall of the screw A is detachably connected with a screw rod A, the right side end of the screw rod A is fixedly connected with a screw rod, the outer side wall of the screw rod is in tooth buckle connection with a screw rod sleeve, the outer side wall of the screw rod sleeve is fixedly provided with a bearing sleeve A, the top end of the bearing sleeve A is fixedly connected with a support plate, and the top end of the support plate is fixedly connected with a clamp, the utility model has simple structure and novel design, the length of the device can be adjusted by changing the screw rod according, and the operation is simple, the cost is saved, and the experiment can not be stopped because the cylinder breaks down.

Description

Normal temperature rise thermocouple testing arrangement

Technical Field

The utility model relates to a testing arrangement especially relates to a normal temperature rise thermocouple testing arrangement.

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 appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use. Before the thermocouple is used, a tension test is carried out on the connection between the thermocouple head and the lead to judge whether the connection between the thermocouple head and the lead is firm.

Patent numbers: CN105067441A discloses a thermocouple pulling force testing arrangement, this design reasonable in design, convenient to use and test accuracy height.

However, the above patents have the following disadvantages: 1. the length of the testing device can not be adjusted according to the length of the lead in the design, so that the practicability of the device is greatly limited, and improvement is needed. 2. The design uses a plurality of cylinders, and the cylinders are easy to break down, so that the measurement is influenced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a normal temperature rise thermocouple testing arrangement, simple structure, modern design can come adjusting device's length through changing the lead screw according to the length of wire, and the practicality of device is greatly improved in the going on of convenient experiment, and the utility model discloses do not use the cylinder, easy operation has not only practiced thrift the cost moreover, can not stop the experiment because the cylinder breaks down in addition, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a normal temperature rise thermocouple testing device, which comprises a fixed plate, wherein the left side end of the fixed plate is fixedly connected with a mounting plate and the top end of the mounting plate is fixedly provided with a motor, the top end of the motor is provided with a rotating shaft and the right side end of the rotating shaft is fixedly provided with a screw A, the inner side wall of the screw A is detachably connected with a screw A, the right side end of the screw A is fixedly connected with a screw rod and the outer side wall of the screw rod is in tooth buckle connection with a screw rod sleeve, the outer side wall of the screw rod sleeve is fixedly provided with a bearing sleeve A, the top end of the bearing sleeve A is fixedly connected with a support plate and the top end of the support plate is fixedly connected with a clamp, the top end of the fixed plate is fixedly provided with a limit groove A, the right side end of the, the utility model discloses a lead screw, including backup pad, connecting rod A and connecting rod B, backup pad top is located clip right side fixedly connected with connecting rod B, install force sensor between connecting rod A and the connecting rod B, the lateral wall of lead screw all installs screw B on being close to the equal fixedly connected with connecting rod C in both sides and connecting rod C's lateral wall about the right side end position.

Optionally, the inner side wall of the screw hole B is rotatably connected with a screw rod B, and the bottom end of the screw rod B is fixedly connected with a supporting plate.

Optionally, a bearing sleeve B is fixedly mounted at the top end of the screw rod, and a cushion block is fixedly connected to the bottom end of the bearing sleeve B.

Optionally, the power output end of the motor is connected with the power input end of the rotating shaft.

Optionally, a controller and a switch are fixedly mounted on the outer side wall of the electric hydraulic rod, the controller is located on the left side of the switch, and an operation switch is fixedly mounted on the surface of the motor.

The utility model has the advantages as follows:

the utility model discloses screw A on the clockwise rotation lead screw installs screw A into screw A, thereby the lead screw is fixed in the pivot, at this moment screw B of clockwise rotation lead screw upper and lower both sides, screw B moves down along screw B, screw B drives upper and lower both sides and supports the board and move to the middle part, let the baffle of upper and lower both sides firmly support the pivot, strengthen the fixed of lead screw and pivot, change the lead screw and only need anticlockwise rotation screw B, screw B moves up along screw B, screw B drives and supports the board and move up, support the board and do not support the pivot, rotate the lead screw anticlockwise again, the lead screw drives the rotation of screw A, take out screw A from screw A, thereby remove the fixed of lead screw, change lead screw of other length, so can be according to the length of wire, the length of adjusting wire, thereby reach the purpose of adjusting device length, improve the practicality of device, the problem that the length of the testing device cannot be adjusted according to the length of the lead in the background art can be effectively solved.

When the utility model is fixed, the thermocouple is placed in the limiting groove A, electric energy is supplied to the electric hydraulic rod, the switch is opened, the electric hydraulic rod starts to run, the electric hydraulic rod controls the extension of the electric hydraulic rod through the controller on the electric hydraulic rod, the electric hydraulic rod drives the limiting groove B to move downwards, the limiting groove B is propped against the upper part of the thermocouple, the fixing of the thermocouple is completed, a lead is pulled out, the top end of the lead is fixed through the clamp, then an external power supply is supplied to the motor, the operation switch is opened, the motor starts to run, the motor drives the positive rotation of the motor through the operation switch, the motor drives the clockwise rotation of the lead screw, the lead screw drives the left movement of the lead screw sleeve, the left movement of the bearing sleeve A is driven by the lead screw sleeve A, the left movement of the clamp is driven by the bearing sleeve A, the left movement of the lead and the connecting, spring sensor just can measure the elasticity between wire and the thermocouple head like this, convenience very to need not use the cylinder, thereby can not influence measuring going on because of the cylinder breaks down, can effectively solve among the background art cylinder trouble relatively and influence the measurement problem of going on of going out of trouble.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a normal temperature rise thermocouple testing device according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a screw and a rotating shaft in a normal temperature rise thermocouple testing device according to an embodiment of the present invention;

in the figure: 1. a fixing plate; 2. mounting a plate; 3. a motor; 4. a rotating shaft; 5. a screw hole A; 6. a screw A; 7. a screw rod; 8. a screw rod sleeve; 9. a bearing bush A; 10. A support plate; 11. a clip; 12. a limiting groove A; 13. a connecting rod A; 14. an electro-hydraulic lever; 15. a limiting groove B; 16. an operating switch; 17. a connecting rod B; 18. An elastic force sensor; 19. a connecting rod C; 20. a screw hole B; 21. a screw B; 22. A resisting plate; 23. a bearing sleeve B; 24. cushion blocks; 25. a controller; 26. and (4) switching.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A normal temperature rise thermocouple testing device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, the utility model provides a pair of normal temperature rise thermocouple testing arrangement, including fixed plate 1, the left side fixedly connected with mounting panel 2 of fixed plate 1 and the top fixed mounting of mounting panel 2 have motor 3, the right side fixed mounting of pivot 4 and pivot 4 is installed on motor 3 top has screw A5, can dismantle on the screw A5 inside wall and be connected with screw rod A6, the right side fixedly connected with lead screw 7 of screw rod A6 and the lateral wall of lead screw 7 on the tooth buckle connect have lead screw cover 8, fixed mounting has bearing housing A9 on the 8 lateral walls of lead screw cover, bearing housing A9's top fixedly connected with backup pad 10 and backup pad 10's top fixedly connected with clip 11, the top fixed mounting of fixed plate 1 has spacing groove A12, fixed mounting has electronic hydraulic stem 14 and electronic hydraulic stem 14 top fixed mounting on the right side end fixedly connected with connecting rod A13 of fixed plate 1 and connecting rod A13's the lateral wall Spacing groove B15, the backup pad 10 top is located clip 11 right side fixedly connected with connecting rod B17, install tension sensor 18 between connecting rod A13 and the connecting rod B17, the equal fixedly connected with connecting rod C19 in both sides about the lateral wall of lead screw 7 is close to right side end position and all installs screw B20 on the lateral wall of connecting rod C19, it needs to explain that tension sensor 18 is connected with connecting rod A13 and connecting rod B17 through the buckle.

The screw B21 and the bottom end of the screw B21 are fixedly connected with abutting plates 22 respectively on the inner side wall of the screw hole B20 in a rotating mode, the baffle plates 22 on the two sides abut against the rotating shaft 4, and fixing of the screw rod 7 and the rotating shaft 4 is enhanced.

The top fixed mounting of lead screw 7 has bearing housing B23 and bearing housing B23's bottom fixedly connected with cushion 24, and bearing housing B23 plays the effect of support lead screw 7, and cushion 24 weight ratio is heavier, can be with the fine fixed of bearing housing B23.

The power output end of the motor 3 is connected with the power input end of the rotating shaft 4, and it should be noted that the motor 3 drives the rotating shaft 4 to rotate.

The outer side wall of the electric hydraulic rod 14 is fixedly provided with a controller 25 and a switch 26, the controller 25 is located on the left side of the switch 26, the surface of the motor 3 is fixedly provided with an operation switch 16, it should be noted that the switch 26 controls the operation of the electric hydraulic rod 14, the operation switch 16 controls the operation of the motor 3, and the forward and reverse rotation of the motor 3 is controlled (the operation switch 16 is divided into two small switches, the forward rotation of one control motor 3 controls the reverse rotation of the motor 3, and the motor 3 is a bidirectional motor, which is the prior art at present).

The embodiment of the utility model provides a normal temperature rise thermocouple testing arrangement, screw A6 on the clockwise rotation lead screw 7 installs screw A6 in screw A5, thereby lead screw 7 is fixed on pivot 4, at this time, screw B21 on the upper and lower both sides of lead screw 7 is rotated clockwise, screw B21 moves down along screw B20, screw B21 drives upper and lower both sides resisting plate 22 to the middle part, let baffle 22 on the upper and lower both sides firmly resist pivot 4, strengthen the fixed of lead screw 7 and pivot 4, change lead screw 8 only need anticlockwise rotate screw B21, screw B21 moves up along screw B20, screw B20 drives resisting plate 22 to move up, resisting plate 22 is not resisting pivot 4, anticlockwise lead screw 7 rotates lead screw 7, lead screw 7 drives the rotation of screw A6, take out screw A6 from screw A5, thereby remove the fixed of lead screw 7, change the lead screw 7 of other length, thus, the length of the screw rod 7 can be adjusted according to the length of the lead wire, thereby achieving the purpose of adjusting the length of the device and improving the practicability of the device, when the screw rod is fixed, the thermocouple is placed in the limiting groove A12, electric energy is supplied to the electric hydraulic rod 14, the switch 26 is opened, the electric hydraulic rod 14 starts to operate, the controller 25 on the electric hydraulic rod 14 is used for controlling the extension of the electric hydraulic rod 14 (the controller 25 is used for controlling the extension and the contraction of the electric hydraulic rod 14, which is the prior art at present), the electric hydraulic rod 14 drives the limiting groove B15 to move downwards, the limiting groove B15 is abutted against the upper part of the thermocouple, the lead wire is pulled out, the top end of the lead wire is fixed through the clamp 11, then an external power supply is supplied to the motor 3, the operating switch 16 is opened, the motor 3 starts to operate, the corotation of the motor 3 is driven through the operating switch, the motor 3 drives the screw rod 4 to rotate clockwise, the screw rod 4 drives the screw rod sleeve 5 to move leftward (it needs to be explained that the screw rod 4 and the screw rod sleeve 5 are connected in a tooth buckle mode, so the screw rod sleeve 5 can move along with the thread direction of the screw rod 4, namely, the rotation direction of the screw rod 4, the screw rod sleeve 5 in a reverse rotation zone of the screw rod 4 moves rightward), the screw rod sleeve 5 drives the bearing sleeve A6 (the bearing sleeve A6 is used for canceling the rotation of the screw rod sleeve 5) to move leftward, the bearing sleeve A6 is used for driving the clamp 11 to move leftward, so that the lead and the connecting rod B17 are driven to move leftward, the connecting rod B17 drives the elastic sensor 18 to move leftward, and therefore the spring sensor 18 can measure the elasticity between the lead and the thermocouple head, the thermocouple head is very convenient, an air cylinder is not needed, and the measurement cannot be influenced by.

The utility model relates to a normal temperature rise thermocouple testing device, which comprises a motor 3 (model GW4058-31ZY, here, the motor 3 is a two-way motor), an operating switch 16 (model KAO-510A, middle right button), an electric hydraulic rod 14 (model CQB50604, Shun Zhan automobile product) and a switch 26 (model KAO-5M, Taiwan drill), the electrical components are all products in the prior art, the technical personnel in the field select, install and complete the debugging operation of the circuit according to the use requirement to ensure that all the electrical equipment can work normally, the components are all universal standard components or components known by the technical personnel in the field, the structure and principle are known to the skilled person through technical manuals or through routine experimentation, and the applicant is not specifically limited herein.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a normal temperature rise thermocouple testing arrangement, includes fixed plate (1), its characterized in that: the utility model discloses a lead screw, including fixed plate (1), motor (3) are installed to the top fixed mounting of left side end fixedly connected with mounting panel (2) and mounting panel (2) of fixed plate (1), the right side end fixed mounting who installs pivot (4) and pivot (4) on motor (3) top has screw A (5), can dismantle on screw A (5) the inside wall and be connected with screw rod A (6), the top fixedly connected with backup pad (10) of screw rod A (6) and the top fixedly connected with clip (11) of backup pad (10) are gone up the tooth and are detained on the lateral wall of lead screw (7) and are connected with lead screw cover (8), fixed mounting has bearing housing A (9) on the lead screw cover (8) lateral wall, the top fixedly connected with clip (11) of backup pad (10) of bearing housing A (9), the top fixed mounting of fixed plate (1) has spacing groove A (12), fixed mounting has electro-hydraulic on the Depression bar (14) and electronic hydraulic stem (14) top fixed mounting have spacing groove B (15), backup pad (10) top is located clip (11) right side fixedly connected with connecting rod B (17), install tension sensor (18) between connecting rod A (13) and connecting rod B (17), all install screw B (20) on the lateral wall of the equal fixedly connected with connecting rod C (19) in both sides and connecting rod C (19) about the lateral wall of lead screw (7) is close to right side end position.

2. A normal temperature rise thermocouple testing device according to claim 1, wherein: and the inner side wall of the screw hole B (20) is rotatably connected with a screw rod B (21) and the bottom end of the screw rod B (21) is fixedly connected with a supporting plate (22).

3. A normal temperature rise thermocouple testing device according to claim 1, wherein: and a bearing sleeve B (23) is fixedly mounted at the top end of the screw rod (7), and a cushion block (24) is fixedly connected to the bottom end of the bearing sleeve B (23).

4. A normal temperature rise thermocouple testing device according to claim 1, wherein: and the power output end of the motor (3) is connected with the power input end of the rotating shaft (4).

5. A normal temperature rise thermocouple testing device according to claim 1, wherein: the outer side wall of the electric hydraulic rod (14) is fixedly provided with a controller (25) and a switch (26), the controller (25) is positioned on the left side of the switch (26), and the surface of the motor (3) is fixedly provided with an operating switch (16).