Thermocouple wire take-up device

Abstract

The utility model relates to the technical field of thermocouple wire measurement, in particular to a thermocouple wire take-up device, which comprises a spool, the spool comprises a cylindrical tube and guard plates fixed on two sides of the cylindrical tube, two ends of the cylindrical tube are respectively and rotatably provided with a left support shaft and a right support shaft, one end of the left support shaft is connected with a volute spiral spring, and the other end of the left support shaft is connected with a right support shaft. A conductive slip ring is mounted at one end of the right supporting shaft and comprises a slip ring stator and a slip ring rotor, the slip ring stator is connected with the protective plate, and the slip ring rotor is fixed to the right supporting shaft; a thermocouple body is fixed on the side wall of the cylindrical tube, the input end of the thermocouple body is connected with an input wire, the output end of the thermocouple body is connected with a wire, the wire is connected with the slip ring stator, the slip ring rotor is connected with an output wire, and the input wire is wound on the cylindrical tube. The thermocouple wire take-up device can take up the thermocouple wire actively, and meanwhile the thermocouple wire cannot be bent in the take-up process.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermocouple wire measurement technical field, concretely relates to a thermocouple wire take -up device. BACKGROUND

[0002] Aluminum ingot needs to utilize heating furnace to heat when processing, in order to facilitate subsequent to its shaping processing. The aluminum ingot is propelled forward in the heating furnace by the propulsion mechanism, and the surface temperature of the aluminum ingot in the heating furnace needs to be monitored in real time. The specific method is as follows: a probe tube is connected after a hole is punched in the aluminum ingot. The probe tube detects the temperature of the aluminum ingot when it is heated in the hole. The detection data is connected to the display instrument of the main control room through the thermocouple wire, and then the temperature uniformity and heat preservation performance of the cast ingot when it is heated in the heating furnace are reflected. In the above temperature measurement process, the probe tube is pushed forward with the aluminum ingot, and the thermocouple wire is stretched and unfolded. Since the actual thermocouple wire used on site is as long as 40-50m, the thermocouple wire is collected after temperature measurement. Generally, manually winding the thermocouple wire is time-consuming, laborious and inconvenient, and it is also easy to cause the thermocouple wire to be bent, which increases the inherent loss and reduces the service life. SUMMARY

[0003] To solve the problem that manually winding the thermocouple wire is time-consuming, laborious and inconvenient, and it is also easy to cause the thermocouple wire to be bent, the utility model provides a thermocouple wire take-up device. The volute spring is arranged to actively take up the thermocouple wire. The thermocouple wire is wound on the spool during the take-up process, so that the thermocouple wire is not bent, and the service life of the thermocouple wire is improved.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A thermocouple wire take-up device includes a spool. The spool includes a cylindrical pipe and a guard plate fixed on both sides of the cylindrical pipe. Left and right support shafts are rotatably arranged at both ends of the cylindrical pipe. A volute spring is connected to one end of the left support shaft. An electrically conductive slip ring is mounted on one end of the right support shaft. The electrically conductive slip ring includes a slip ring stator and a slip ring rotor. The slip ring stator is connected to the guard plate. The slip ring rotor is fixed to the right support shaft.

[0006] A thermocouple body is fixed to the side wall of the cylindrical pipe. An input line is connected to the input end of the thermocouple body. A lead wire is connected to the output end of the thermocouple body. The lead wire is connected to the slip ring stator. The slip ring rotor is connected to an output line. The input line is wound on the cylindrical pipe.

[0007] Further, the right support shaft is a hollow shaft, and the output line passes out of the right support shaft. The output line is connected to a display instrument of a main control room.

[0008] Further, the left sleeve and the right sleeve are respectively fixedly connected with the corresponding guard plates, the left sleeve and the right sleeve are both hollow cylindrical, and bearings are arranged between the left support shaft and the left sleeve and between the right support shaft and the right sleeve.

[0009] Further, the left sleeve and the right sleeve are respectively fixedly connected with the corresponding guard plates, the left sleeve and the right sleeve are both hollow cylindrical, and bearings are arranged between the left support shaft and the left sleeve and between the right support shaft and the right sleeve.

[0010] Further, the left sleeve and the right sleeve are respectively fixedly connected with the corresponding guard plates, the left sleeve and the right sleeve are both hollow cylindrical, and bearings are arranged between the left support shaft and the left sleeve and between the right support shaft and the right sleeve.

[0011] Further, one end of the volute spring is fixed to the outer wall of the left support shaft, and the other end of the volute spring is fixedly connected to the inner wall of the cylindrical pipe. When the thermocouple wire is pulled out, the volute spring rotates with the spool to store power, and the spool can be reversely rotated when the thermocouple wire needs to be wound.

[0012] Further, the two supports are used for supporting the spool, the two supports are symmetrically arranged on the left and right sides of the spool, and the outer exposed ends of the left support shaft and the right support shaft are fixed to the top of the two supports through the pressing plates.

[0013] Further, the cylindrical pipe is provided with a mounting port for mounting the thermocouple body, and the input wire is arranged to pass through the mounting port; and the mounting port is provided with a support, and the thermocouple body is fixed to the support through the pressing plate.

[0014] Through the above technical scheme, the beneficial effects of the utility model are as follows:

[0015] In the utility model, the thermocouple wire is divided into an input wire, a lead wire and an output wire, the input wire is wound on the cylindrical pipe of the spool during winding or unwinding, the lead wire rotates with the spool when the input wire rotates with the cylindrical pipe, the output wire does not rotate, the output wire is prevented from being twisted and broken, the input wire is pulled out when the probe is pushed forward along the aluminum ingot, the volute spring rotates to store power when the input wire is pulled out, the input wire is wound on the cylindrical pipe of the spool during temperature measurement, the input wire is pulled out when the probe is taken out of the aluminum ingot hole, the cylindrical pipe reversely rotates under the driving of the volute spring, the input wire is wound on the cylindrical pipe under the driving of the cylindrical pipe, the input wire is actively wound, the structure is simple, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the thermocouple wire take-up device of the utility model;

[0017] Figure 2 It is an internal structure schematic view of the I-beam in the thermocouple wire take-up device of the utility model;

[0018] Figure 3 It is a connection relation view of the support shaft, sleeve and I-beam in the thermocouple wire take-up device of the utility model;

[0019] Figure 4 It is a connection relation view of the conductive slip ring, right sleeve and right support shaft in the thermocouple wire take-up device of the utility model;

[0020] Figure 5 It is an exploded schematic view of the conductive slip ring and right support shaft in the thermocouple wire take-up device of the utility model;

[0021] Figure 6 It is a use state schematic view of the thermocouple wire take-up device of the utility model.

[0022] Reference signs in the drawings are:

[0023] 1, cylindrical pipe; 2, guard plate; 3, left sleeve; 4, right sleeve; 5, left support shaft; 6, right support shaft; 7, volute spring; 8, slip ring stator; 9, slip ring rotor; 10, thermocouple body; 11, mounting port; 12, input line; 13, lead wire; 14, output line; 15, bearing; 16, rotation stopper; 17, connecting bolt; 18, support; 19, pressing plate one; 20, support frame; 21, pressing plate two. DETAILED DESCRIPTION

[0024] The utility model will be further described in connection with the drawings and specific embodiments:

[0025] As Figures 1-6 shown, the embodiment provides a kind of thermocouple wire take-up device, including I-beam, the I-beam includes cylindrical pipe 1 and the guard plate 2 fixed in the both sides of cylindrical pipe 1, the left support shaft 5 and right support shaft 6 are rotationally arranged in the both ends of cylindrical pipe 1 respectively, the left support shaft 5 is connected with volute spring 7, and the right support shaft 6 is installed with conductive slip ring, the conductive slip ring includes slip ring stator 8 and slip ring rotor 9, the slip ring stator 8 is connected with guard plate 2, and the slip ring rotor 9 is fixed to right support shaft 6;Cylindrical pipe 1 side wall is fixed with thermocouple body 10, the input end of thermocouple body 10 is connected with input line 12, the output end of thermocouple body 10 is connected with lead wire 13, the lead wire 13 is connected with slip ring stator 8, the slip ring rotor 9 is connected with output line 14, and the input line 12 is wound on cylindrical pipe 1.

[0026] In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room.

[0027] In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room.

[0028] In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room. Figure 3 In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room.

[0029] In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room. Figure 4 In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room.

[0030] In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room. Figure 2 In the embodiment, the right support shaft 6 is a hollow shaft, and the output line 14 is threaded out of the right support shaft 6. After being threaded out of the right support shaft 6, the output line 14 is connected to a display instrument of a main control room.

[0031] In addition, two supports 18 for supporting the spool are further included, the two supports 18 are symmetrically arranged on the left and right sides of the spool, and the outer exposed ends of the left supporting shaft 5 and the right supporting shaft 6 are fixed on the top of the two supports 18 through the pressing plate 1 9 respectively. During the winding or unwinding process, the left supporting shaft 5 and the right supporting shaft 6 are fixed on the top of the support 18 and do not rotate.

[0032] In the embodiment, the cylindrical pipe 1 is provided with a mounting port 11 for mounting a thermocouple body 10 on the side wall, and the input line 12 is arranged to pass out of the mounting port 11; the mounting port 11 is provided with a bracket 20, and the thermocouple body 10 is fixed on the bracket 20 through a pressing plate 2 1.

[0033] It should be noted that the conductive slip ring in the utility model is selected from the H series via-hole slip ring produced by Shenzhen Senweip Electronic Co., Ltd., the slip ring rotor 9 is sleeved on the right supporting shaft 6, and is locked through four locking screws, then the rotation stopping piece 16 is locked with the right sleeve 4 through a bolt, so that the installation of the conductive slip ring is realized, the normal operation of the device is ensured, and finally the wiring is performed.

[0034] It is worth mentioning that the manual winding is very dangerous when the thermocouple line is collected on site in the prior art, and especially easy to scald, so that the thermocouple line can only be wound after being extracted and cooled. The spool in the utility model can directly and automatically collect the line, which is safe and convenient.

[0035] The working principle of the utility model is as follows:

[0036] Please refer again to Figure 2 When the input line 12 is wound or unwound along with the rotation of the cylindrical pipe 1, the slip ring stator 8 and the lead wire 13 also rotate along with the spool, and the output line 14 does not rotate, so that the output line 14 is prevented from being twisted off, at the same time, the input line 12 is wound on the cylindrical pipe 1 of the spool, the lead wire 13 is unwound during the temperature measurement process, and the input line 12 is directly pulled out when the probe pipe is pushed forward along with the aluminum ingot, and the volute spring 7 is rotated and stored when the input line 12 is pulled out. After the temperature measurement operation is completed, the lead wire 13 is unwound, the probe pipe is taken out from the aluminum ingot hole, the volute spring 7 drives the cylindrical pipe 1 to rotate reversely, the cylindrical pipe 1 drives the input line 12 to be wound, and the input line 12 can be actively wound.

[0037] In the utility model, the thermocouple line is divided into an input line 12, a lead wire 13 and an output line 14. During the above winding or unwinding operation, when the input line 12 is wound or unwound along with the rotation of the cylindrical pipe 1, the slip ring stator 8 and the lead wire 13 also rotate along with the spool, and the output line 14 does not rotate, so that the output line 14 is prevented from being twisted off.

[0038] It is worth mentioning that please refer again to Figure 6In the process of measuring the temperature of the aluminum ingot, multiple points need to be measured, so multiple thermocouple wires need to be arranged at corresponding measuring point positions, therefore, the device can be arranged and combined for use, thereby meeting the take-up operation of the multiple thermocouple wires.

[0039] The above-described embodiments are only preferred embodiments of the present application, and are not intended to limit the scope of the present application, so equivalent changes or modifications made in the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A thermocouple wire take-up device comprising a spool, characterised in that, The spool comprises a cylindrical pipe (1) and a guard plate (2) fixed on both sides of the cylindrical pipe (1), the left support shaft (5) and the right support shaft (6) are rotatably arranged at the two ends of the cylindrical pipe (1) respectively, one end of the left support shaft (5) is connected with a volute spring (7), one end of the right support shaft (6) is provided with a conductive slip ring, the conductive slip ring comprises a slip ring stator (8) and a slip ring rotor (9), the slip ring stator (8) is connected with the guard plate (2), and the slip ring rotor (9) is fixed to the right support shaft (6). A thermocouple body (10) is fixed on the side wall of the cylindrical pipe (1), an input line (12) is connected to the input end of the thermocouple body (10), a lead wire (13) is connected to the output end of the thermocouple body (10), the lead wire (13) is connected with the slip ring stator (8), the slip ring rotor (9) is connected with an output line (14), and the input line (12) is wound on the cylindrical pipe (1).

2. A thermocouple wire take-up device as claimed in claim 1, wherein The right support shaft (6) is a hollow shaft, and the output line (14) penetrates out of the right support shaft (6).

3. A thermocouple wire take-up device as defined in claim 1, wherein The left sleeve (3) and the right sleeve (4) penetrating the guard plate (2) are respectively arranged at the two ends of the cylindrical pipe (1), the left support shaft (5) is arranged in the left sleeve (3), and the right support shaft (6) is arranged in the right sleeve (4); the left sleeve (3) and the left support shaft (5) are rotatably connected, and the right sleeve (4) and the right support shaft (6) are rotatably connected.

4. A thermocouple wire take-up device as claimed in claim 3, wherein The left sleeve (3) and the right sleeve (4) are fixedly connected with the corresponding guard plates (2) respectively, the left sleeve (3) and the right sleeve (4) are both hollow cylindrical bodies, and bearings (15) are arranged between the left support shaft (5) and the left sleeve (3) and between the right support shaft (6) and the right sleeve (4) respectively.

5. A thermocouple wire take-up device as defined in claim 1, wherein A rotation stopping piece (16) is arranged on the slip ring stator (8), and the rotation stopping piece (16) is connected with the right sleeve (4) through a connecting bolt (17).

6. A thermocouple wire take-up device as defined in claim 1, wherein One end of the volute spring (7) is fixed to the outer wall of the left support shaft (5), and the other end of the volute spring (7) is fixedly connected to the inner wall of the cylindrical pipe (1).

7. A thermocouple wire take-up device as defined in claim 1, wherein Two supports (18) for supporting the spool are further arranged, the two supports (18) are symmetrically arranged on the left and right sides of the spool, and the outer exposed ends of the left support shaft (5) and the right support shaft (6) are fixed on the top of the two supports (18) through a pressing plate (19) respectively.

8. A thermocouple wire take-up device as defined in claim 1, wherein An installation opening (11) for installing the thermocouple body (10) is arranged on the side wall of the cylindrical pipe (1), the input line (12) penetrates out of the installation opening (11); a support (20) is arranged in the installation opening (11), and the thermocouple body (10) is fixed on the support (20) through a pressing plate (21).

Images