CN219038206U - Thermocouple installation mechanism and thermocouple for detecting tile temperature of steam turbine - Google Patents

Abstract

The utility model discloses a thermocouple installation mechanism for detecting the temperature of a steam turbine tile and a thermocouple, comprising an assembly component, wherein the assembly component comprises a mounting ring, the inner wall of the mounting ring is fixedly connected with a connecting cylinder, the inner wall of the connecting cylinder is movably inserted with a thermocouple main body, the side surface of the thermocouple main body is provided with a slot, the side surface of the connecting cylinder is provided with a sliding chute, the inner wall of the sliding chute is slidably connected with a cylinder, the side surface of the cylinder is movably inserted with an inserting rod, the inserting rod penetrates through the cylinder and is movably inserted with the inner wall of the slot, and a tension spring is fixedly connected between the inserting rod and the cylinder; the laminating subassembly, it includes the fixed block, and the quantity of fixed block is two, and two fixed blocks are symmetrical about the connecting cylinder. According to the utility model, the cylinder is conveniently pushed to move through the first spring, and meanwhile, the inserted link is driven to move with the thermocouple main body through the cylinder, so that the thermocouple main body is always attached to the tile shaft of the steam turbine, and the thermocouple main body is further caused to always measure the temperature of the tile shaft.

Description

Thermocouple installation mechanism and thermocouple for detecting tile temperature of steam turbine

Technical Field

The utility model relates to the technical field of thermocouples, in particular to a thermocouple installation mechanism for detecting the tile temperature of a steam turbine and a thermocouple.

Background

The turbine shaft rotates at high speed within the bearing shell, causing an increase in turbine oil and bearing shell temperature. When the temperature of the bearing bush is too high, the safety of the bearing is threatened, so that the temperature of the bearing bush of the steam turbine needs to be monitored through a thermocouple, the thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, and the thermocouple directly measures the temperature and 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.

The existing part of thermocouples are directly placed on the bearing bush of the steam turbine when being installed, and the steam turbine is easy to vibrate during operation, so that the positions of the thermocouples are easy to deviate and separate from the bearing bush of the steam turbine;

the existing part of thermocouples are arranged in the steam turbine, and lubricating oil is arranged in the steam turbine, so that the surface of each thermocouple is easy to be adhered with the lubricating oil after the thermocouples are used for a long time, and when an operator pulls out the thermocouples, the oil stains adhered on the surface of each thermocouple are easy to be stained on the body of the operator.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or the problems in the prior art that a steam turbine is easily vibrated during operation, and thus the position of a thermocouple is easily moved and separated from a bearing bush.

Accordingly, the utility model aims to provide a thermocouple installation mechanism for detecting the tile temperature of a steam turbine.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a steam turbine is thermocouple installation mechanism for tile temperature detection, including the equipment subassembly, it includes the collar, the inner wall of collar is connected with the connecting cylinder, connecting cylinder inner wall connection has the thermocouple main part, the slot has been seted up to the side of thermocouple main part, the spout has been seted up to the side of connecting cylinder, the inner wall connection of spout has the drum, the side of drum is connected with the inserted bar, the inserted bar runs through the drum, the inner wall connection inserted bar of slot, be connected with the extension spring between inserted bar and the drum, still include the laminating subassembly, it includes the fixed block, the quantity of fixed block is two, two fixed blocks are symmetrical about the connecting cylinder, the inboard of fixed block is connected with first spring, the one end that the fixed block was kept away from to first spring is connected with the side of drum, the laminating subassembly sets up the surface at the equipment subassembly.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the inner wall fixed connection connecting cylinder of collar, the inner wall activity grafting thermocouple main part of connecting cylinder, the side fixed mounting slot of thermocouple main part, the side fixed mounting spout of connecting cylinder, the inner wall sliding connection drum of spout, the side activity grafting inserted bar of drum, the inserted bar runs through the drum and with the inner wall activity grafting of slot, fixed connection extension spring between inserted bar and the drum.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the quantity of fixed block is two, and two fixed block fixed mounting just are installed at the connecting cylinder surface and are about connecting cylinder symmetry, and the inboard fixed connection first spring of fixed block, the one end that the fixed block was kept away from to first spring and the side fixed connection of drum, laminating subassembly fixed mounting is at the surface of equipment subassembly.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the side of the mounting ring is provided with a plurality of bolt holes which are distributed on the side of the mounting ring in an annular mode at equal intervals.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the number of the slots is a plurality, and the slots are distributed on the side surface of the thermocouple main body in an annular mode at equal intervals.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the number of the sliding grooves is two, the two sliding grooves are symmetrical with respect to the connecting cylinder, the shape of the inner wall of the sliding groove is cross, the side surface of the cylinder is fixedly connected with a limiting plate, and the limiting plate is slidably connected with the inner wall of the sliding groove.

As a preferred embodiment of the thermocouple of the present utility model, wherein: one end of the inserted link, which is far away from the slot, is fixedly connected with a pull ring, the shape of the inserted link is T-shaped, one end of the cylinder, which is close to the connecting cylinder, is in sliding connection with the side face of the thermocouple main body, and the side face of the cylinder is fixedly connected with two pull rods.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the number of the first springs is four, and the four first springs are equally divided into two groups and are respectively arranged on the side surfaces of the two fixing blocks.

The thermocouple installation mechanism for detecting the tile temperature of the steam turbine has the beneficial effects that: according to the utility model, the cylinder is conveniently pushed to move through the first spring, and meanwhile, the inserted link is driven to move with the thermocouple main body through the cylinder, so that the thermocouple main body is always attached to the tile shaft of the steam turbine, and the thermocouple main body is further caused to always measure the temperature of the tile shaft.

In view of the fact that in the actual use process, the problem that more oil stains are easy to adhere to the surface of an operator when the thermocouple is pulled out and easy to be stained on the operator exists.

In order to solve the technical problems, the utility model also provides the following technical scheme: the utility model provides a thermocouple, it includes the sealing ring, sealing ring fixed connection is in the right-hand member of connecting cylinder, the inboard of sealing ring and thermocouple body's side sliding connection, thermocouple body's left end fixedly connected with protection spring, clean subassembly setting is in the outside of equipment subassembly.

As a preferred embodiment of the thermocouple of the present utility model, wherein: the right edge of the sealing ring is subjected to corner cutting treatment.

The thermocouple has the beneficial effects that: according to the utility model, when an operator pulls out the thermocouple main body, the sealing ring is convenient for scraping and sweeping the stains attached to the surface of the thermocouple main body, so that the possibility that the stains are stained on the body when the operator pulls out the thermocouple main body is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic perspective view of a thermocouple installation mechanism for detecting the tile temperature of a steam turbine.

FIG. 2 is a schematic view of a three-dimensional unfolding structure of a thermocouple installation mechanism for detecting the tile temperature of a steam turbine.

FIG. 3 is a partial perspective view showing a cross section of a thermocouple installation mechanism for detecting the temperature of a steam turbine.

Fig. 4 is a schematic view of a partial perspective structure of a thermocouple.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 4, in a first embodiment of the present utility model, a thermocouple installation mechanism for detecting the temperature of a turbine is provided, which can realize the effect that a thermocouple is always attached to a bearing bush of a turbine and measures the temperature of the bearing bush, and the thermocouple installation mechanism comprises an assembly component 100, which comprises a mounting ring 101, wherein the inner wall of the mounting ring 101 is fixedly connected with a connecting cylinder 102, and the connecting cylinder 102 is conveniently fixed on the inner wall of the turbine through the cooperation of the mounting ring 101 and a bolt; the thermocouple main body 103 is movably inserted into the inner wall of the connecting cylinder 102, and the thermocouple main body 103 is convenient to assemble through the connecting cylinder 102; the side of the thermocouple main body 103 is provided with a slot 104, the side of the connecting cylinder 102 is provided with a sliding groove 105, the inner wall of the sliding groove 105 is slidably connected with a cylinder 106, the side of the cylinder 106 is movably inserted with a plug rod 107, the plug rod 107 penetrates through the cylinder 106 and is movably inserted with the inner wall of the slot 104, the number of the sliding grooves 105 is two, the two sliding grooves 105 are symmetrical relative to the connecting cylinder 102, the shape of the inner wall of the sliding groove 105 is cross-shaped, the cylinder 106 can slide on the side of the connecting cylinder 102 through the sliding groove 105, and the plug rod 107 and the thermocouple main body 103 are conveniently driven to move through the connecting cylinder 102; a tension spring 108 is fixedly connected between the inserted rod 107 and the cylinder 106, and the inserted rod 107 is pulled to move and is inserted into the slot 104 through the tension spring 108, so that the thermocouple main body 103 is conveniently fixed inside the connecting cylinder 102.

The laminating assembly 200 comprises two fixing blocks 201, wherein the two fixing blocks 201 are symmetrical with respect to the connecting cylinder 102, first springs 202 are fixedly connected to the inner side of the fixing blocks 201, one end of each first spring 202, which is far away from the fixing block 201, is fixedly connected with the side face of the cylinder 106, the number of the first springs 202 is four, the four first springs 202 are equally divided into two groups and are respectively arranged on the side faces of the two fixing blocks 201, and the cylinder 106, the inserting rod 107 and the thermocouple main body 103 are conveniently pushed to move through the first springs 202, so that the thermocouple main body 103 is enabled to be always bonded with a bearing bush of a steam turbine and temperature measurement is carried out on the bearing bush; the bonding assembly 200 is disposed on a side of the assembly 100.

Specifically, the side surface of the cylinder 106 is fixedly connected with a limiting plate 106a, the limiting plate 106a is slidably connected to the inner wall of the chute 105, and the stability of the cylinder 106 during movement is improved by matching the limiting plate 106a with the chute 105, and meanwhile the possibility of separation of the cylinder 106 and the chute 105 is reduced.

Specifically, one end of the cylinder 106, which is close to the connecting cylinder 102, is slidably connected with the side surface of the thermocouple main body 103, and two pull rods 106b are fixedly connected with the side surface of the cylinder 106, so that an operator can conveniently pull the cylinder 106 to move and drive the insert rod 107 to move with the thermocouple main body 103 through the pull rods 106b, and the position of the thermocouple main body 103 can be conveniently adjusted.

In sum, the cylinder 106 is conveniently pushed to move through the first spring 202, and meanwhile, the inserted link 107 and the thermocouple main body 103 are driven to move through the cylinder 106, so that the thermocouple main body 103 is always attached to a tile shaft of a steam turbine, and the accuracy of temperature measurement of the tile shaft by the thermocouple main body 103 is further facilitated to be improved.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present utility model is a second embodiment, which is different from the previous embodiment, in that it provides further optimization of a thermocouple installation mechanism for detecting the steam turbine tile temperature, thereby facilitating assembly of the thermocouple.

Specifically, a plurality of bolt holes 101a are formed in the side face of the mounting ring 101, the plurality of bolt holes 101a are distributed on the side face of the mounting ring 101 in an annular mode at equal intervals, the mounting ring 101 and the connecting cylinder 102 are conveniently fixed on a turbine body through the cooperation of the plurality of bolt holes 101a and bolts, and the thermocouple main body 103 is conveniently inserted into the turbine from the outside through the connecting cylinder 102.

Specifically, the number of the slots 104 is a plurality, the plurality of slots 104 are distributed on the side surface of the thermocouple main body 103 in an annular shape at equal intervals, and the thermocouple main body 103 is conveniently assembled inside the connecting cylinder 102 by matching the slots 104 with the inserting rods 107.

Specifically, the end of the insert rod 107 away from the slot 104 is fixedly connected with a pull ring 107a, the insert rod 107 is in a T shape, an operator can conveniently pull the insert rod 107 to move and separate from the slot 104 through the pull ring 107a, and the thermocouple main body 103 loses limit at the moment, so that the operator can conveniently detach the thermocouple main body 103.

In summary, the mounting ring 101 and the connecting cylinder 102 are fixed on the inner wall of the steam turbine through bolts, then the thermocouple main body 103 is inserted into the connecting cylinder 102, and then the inserting rod 107 is pulled to move through the tension spring 108 and is inserted into the inserting groove 104, so that the thermocouple main body 103 is conveniently fixed in the connecting cylinder 102, and the assembly of the thermocouple main body 103 is completed.

Example 3

Referring to fig. 4, in a third embodiment of the present utility model, unlike the previous embodiment, the present embodiment provides a thermocouple, which solves the problem that more oil stains are easily attached to the surface of an operator when the operator pulls out the thermocouple, and is easily contaminated on the operator, and includes a cleaning assembly 300 including a sealing ring 301, the sealing ring 301 is fixedly connected to the right end of the connection barrel 102, the inner side of the sealing ring 301 is slidably connected to the side of the thermocouple body 103, the right end of the sealing ring 301 has a corner cutting process by which the operator can conveniently scrape the stains attached to the surface of the thermocouple body 103 when the operator pulls out the thermocouple body 103; the left end of the thermocouple body 103 is fixedly connected with a protection spring 302, and the protection of the connection part of the rear end of the thermocouple body 103 is facilitated through the protection spring 302, so that the possibility of damage to the connection part is reduced; the cleaning assembly 300 is disposed outside the assembly 100.

In summary, the sealing ring 301 facilitates the scraping and sweeping of the stains attached to the surface of the thermocouple body 103 when the operator pulls out the thermocouple body 103, thereby facilitating the reduction of the possibility that the stains are stained on the body when the operator pulls out the thermocouple body 103, and the protection of the junction of the rear end of the thermocouple body 103 by the protection spring 302.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A thermocouple installation mechanism for detecting the tile temperature of a steam turbine is characterized in that: comprising the steps of (a) a step of,

the assembly component (100) comprises a mounting ring (101), wherein the inner wall of the mounting ring (101) is connected with a connecting cylinder (102), the inner wall of the connecting cylinder (102) is connected with a thermocouple main body (103), a slot (104) is formed in the side face of the thermocouple main body (103), a sliding groove (105) is formed in the side face of the connecting cylinder (102), a cylinder (106) is connected with the inner wall of the sliding groove (105), an inserting rod (107) is connected with the side face of the cylinder (106), the inserting rod (107) penetrates through the cylinder (106), the inner wall of the slot (104) is connected with the inserting rod (107), and a tension spring (108) is connected between the inserting rod (107) and the cylinder (106); the method comprises the steps of,

laminating subassembly (200), it includes fixed block (201), the quantity of fixed block (201) is two, two fixed block (201) are symmetrical about connecting cylinder (102), the inboard of fixed block (201) is connected with first spring (202), the one end that fixed block (201) was kept away from to first spring (202) is connected with the side of drum (106), laminating subassembly (200) set up the surface at equipment subassembly (100).

2. The thermocouple installation mechanism for steam turbine tile temperature detection as set forth in claim 1, wherein: the inner wall fixed connection connecting cylinder (102) of collar (101), the inner wall activity grafting thermocouple body (103) of connecting cylinder (102), side fixed mounting slot (104) of thermocouple body (103), side fixed mounting spout (105) of connecting cylinder (102), the inner wall sliding connection drum (106) of spout (105), the side activity grafting inserted bar (107) of drum (106), inserted bar (107) run through drum (106) and peg graft with the inner wall activity of slot (104), fixed connection extension spring (108) between inserted bar (107) and drum (106).

3. The thermocouple installation mechanism for steam turbine tile temperature detection as set forth in claim 2, wherein: the number of the fixing blocks (201) is two, the two fixing blocks (201) are fixedly arranged on the outer surface of the connecting cylinder and symmetrically arranged relative to the connecting cylinder (102), the inner side of the fixing block (201) is fixedly connected with a first spring (202), one end, far away from the fixing block (201), of the first spring (202) is fixedly connected with the side face of the cylinder (106), and the attaching assembly (200) is fixedly arranged on the outer surface of the assembling assembly (100).

4. A thermocouple installation mechanism for steam turbine tile temperature detection as set forth in any one of claims 1, 2 and 3, wherein: the side face of the mounting ring (101) is provided with a plurality of bolt holes (101 a), and the plurality of bolt holes (101 a) are distributed on the side face of the mounting ring (101) in an annular mode at equal distance.

5. The thermocouple installation mechanism for detecting the tile temperature of a steam turbine according to claim 4, wherein: the number of the slots (104) is a plurality, and the slots (104) are distributed on the side face of the thermocouple main body (103) in an annular mode at equal intervals.

6. The thermocouple mounting mechanism for steam turbine tile temperature detection according to claim 3 or 5, wherein: the number of the sliding grooves (105) is two, the two sliding grooves (105) are symmetrical relative to the connecting cylinder (102), the shape of the inner wall of the sliding groove (105) is cross-shaped, a limiting plate (106 a) is fixedly connected to the side face of the cylinder (106), and the limiting plate (106 a) is slidably connected to the inner wall of the sliding groove (105).

7. The thermocouple installation mechanism for steam turbine tile temperature detection as set forth in claim 6, wherein: one end of the inserted link (107) far away from the slot (104) is fixedly connected with a pull ring (107 a), the shape of the inserted link (107) is T-shaped, one end of the cylinder (106) close to the connecting cylinder (102) is in sliding connection with the side face of the thermocouple main body (103), and two pull rods (106 b) are fixedly connected with the side face of the cylinder (106).

8. The thermocouple installation mechanism for steam turbine tile temperature detection as set forth in claim 7, wherein: the number of the first springs (202) is four, and the four first springs (202) are equally divided into two groups and are respectively arranged on the side surfaces of the two fixing blocks (201).

9. A thermocouple, characterized in that: a thermocouple installation mechanism for detecting the tile temperature of a steam turbine according to any one of claims 1 to 8, and,

the cleaning assembly (300) comprises a sealing ring (301), wherein the sealing ring (301) is fixedly connected to the right end of the connecting cylinder (102), the inner side of the sealing ring (301) is in sliding connection with the side face of the thermocouple main body (103), the left end of the thermocouple main body (103) is fixedly connected with a protection spring (302), and the cleaning assembly (300) is arranged on the outer side of the assembly (100).

10. The thermocouple of claim 9, wherein: the right edge of the sealing ring (301) is subjected to corner cutting treatment.

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