Connecting structure and water turbine monitoring device

Abstract

The utility model relates to the technical field of water turbine monitoring, in particular to a connecting structure and a water turbine monitoring device.The connecting structure comprises a positioning unit, the positioning unit comprises a guiding connector, a linkage connecting rod and a trigger connecting rod, the linkage connecting rod is arranged at one end of the guiding connector, and the trigger connecting rod is arranged at the end, away from the guiding connector, of the linkage connecting rod; the monitoring base comprises a fixed support, a clamping jaw and a guide ball, the fixed support is arranged on the monitoring base, the clamping jaw is arranged on the fixed support, a positioning unit is arranged in the clamping jaw, and the guide ball is arranged in the clamping jaw. After installation is completed, through mutual linkage of internal trigger structures, when the rotating shaft installed inside deviates, the operation condition of the rotating shaft can be collected in real time through transmission of electric signals in cooperation with an internal trigger switch, and the water flow speed and the direction of an internal impeller can be adjusted according to the corresponding condition.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbine monitoring, in particular to a connection structure and a water turbine monitoring device. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It is a turbine machine among fluid machinery. Most of them are installed in hydropower stations to drive generators to generate electricity. In a hydropower station, water from the upstream reservoir is led to the water turbine through a water diversion pipe, which drives the turbine runner to rotate and drives the generator to generate electricity. The water that has completed the work is discharged downstream through the tailwater pipe. The higher the head and the greater the flow, the greater the output power of the water turbine. In addition, with the continuous improvement of the production management requirements of enterprises and the needs of local economic development, the power grid and the majority of electricity users have higher and higher requirements on electricity consumption, electricity reliability and power quality. The safe, economical and reliable operation of hydropower stations is more important to the economic development of enterprises and the improvement of market competitiveness. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In view of the above-mentioned problems or the problems in the prior art that installation is difficult and positioning is not accurate enough, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a connection structure.

[0006] In order to solve the technical problems of high installation difficulty and inaccurate positioning in the above-mentioned prior art, the present invention provides the following technical solutions: a connection structure comprising:

[0007] The positioning unit comprises a guide joint, a linkage link and a trigger link. One end of the guide joint is provided with a linkage link, and the end of the linkage link away from the guide joint is provided with a trigger link.

[0008] As a preferred solution of the connection structure of the utility model, wherein: the guide joint is connected to the linkage link through a joint swivel, the linkage link and the trigger link are connected to each other through a connecting shaft, and the joint swivel and the linkage link are connected to each other through a connecting shaft.

[0009] As a preferred solution of the connection structure of the present invention, a positioning blind hole is reserved in the trigger connecting rod, a contact switch is provided in the positioning blind hole, and a wire is electrically connected to the contact switch.

[0010] As a preferred solution of the connection structure of the present invention, the guide joint is provided with bosses and grooves with complementary shapes, and at least one set of connection springs is provided on the guide joint.

[0011] The beneficial effects of the connection structure of the present invention are: the rotating shaft is identified from multiple directions. After installation, through the internal trigger structure that is interconnected, when the internally installed rotating shaft is offset, the internal trigger switch is used to transmit electrical signals, so that the staff can collect the operating status of the rotating shaft in real time and adjust the water flow rate and the direction of the internal impeller according to the corresponding situation.

[0012] In actual use, there are still problems such as high installation difficulty and inaccurate positioning.

[0013] In order to solve the above technical problems of high installation difficulty and inaccurate positioning, the present invention also provides the following technical solutions: a turbine monitoring device, comprising:

[0014] The monitoring base includes a fixed bracket, a clamping claw and a guide ball. The monitoring base is provided with a fixed bracket, the fixed bracket is provided with a clamping claw, a positioning unit is provided in the clamping claw, and a guide ball is provided in the clamping claw.

[0015] As a preferred solution of the turbine monitoring device of the present invention, the fixing bracket is connected to the clamping claw via an installation shaft, and the clamping claw is connected to the positioning unit via an inner connecting groove.

[0016] As a preferred solution of the turbine monitoring device of the present invention, one end of the clamping claw is provided with a fixed connection, the other end of the clamping claw is provided with a rotary joint, and an external terminal box is provided on the outside of the clamping claw.

[0017] As a preferred solution of the turbine monitoring device of the present invention, at least one group of guide balls is provided on the clamping claw, and one end of the clamping claw is provided with a connecting seat connected to an elastic member.

[0018] As a preferred solution of the turbine monitoring device of the utility model, an auxiliary spring piece is provided in the clamping claw, a connecting guide column is provided at one end of the auxiliary spring piece, a guide blind hole is reserved on the connecting guide column, and a trigger boss is provided in the guide blind hole.

[0019] As a preferred solution of the hydraulic turbine monitoring device of the present invention, at least two groups of mounting through holes are reserved on the monitoring base.

[0020] The beneficial effects of the turbine monitoring device of the present invention are as follows: the turbine shaft is positioned and installed by the claws at both ends; when the shaft rotates, if the shaft deviates, it can cooperate with the internal identification mechanism to prompt the staff, so as to better monitor the status of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 Schematic diagram of the internal structure of the clamping claw;

[0024] Figure 3 Schematic diagram of the overall structure of the auxiliary shrapnel;

[0025] Figure 4 Schematic diagram of the overall structure of the positioning unit;

[0026] Figure 5 Schematic diagram of the internal structure of the guide blind hole and trigger connecting rod. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to an embodiment that is mutually exclusive of other embodiments, either individually or selectively.

[0030] Example 1

[0031] Reference Figure 1 and Figure 2 , which is the first embodiment of the utility model, provides a turbine monitoring device, which produces a positioning installation of the turbine shaft by claws at both ends. When the shaft rotates, when the shaft deviates, it can cooperate with the internal identification mechanism to prompt the staff, so as to better monitor the status of the device. The device includes a positioning unit 100, which includes a guide joint 101, a linkage link 103 and a trigger link 105. The linkage link 103 is provided at one end of the guide joint 101, and the trigger link 105 is provided at the end of the linkage link 103 away from the guide joint 101. A monitoring base 200, the monitoring base 200 includes a fixed bracket 201, a clamping claw 203 and a guide ball 208. The monitoring base 200 is provided with a fixed bracket 201, a clamping claw 203 is provided on the fixed bracket 201, the positioning unit 100 is provided in the clamping claw 203, and the guide ball 208 is provided in the clamping claw 203;

[0032] Preferably, the fixing bracket 201 is connected to the clamping claw 203 through the installation shaft 202, and the clamping claw 203 is connected to the positioning unit 100 through the internal connecting groove 203a. One end of the clamping claw 203 is provided with a fixed connection 204, and the other end of the clamping claw 203 is provided with a rotating joint 205. The outside of the clamping claw 203 is provided with an external terminal box 206, and at least one group of guide balls 208 are provided on the clamping claw 203, and one end of the clamping claw 203 is provided with a connecting seat connected to an elastic member. The offset data of the rotating shaft is collected by the positioning unit 100 arranged inside the internal connecting groove 203a. At the same time, the guide ball 208 with an elastic seat (not drawn) is arranged inside the clamping claw 203. During installation, it can cooperate with the auxiliary spring piece 209 to improve the tightness of the connection between the device and the rotating shaft to ensure the accuracy of the collected data.

[0033] When in use, the device is moved to the position of the turbine shaft, and the shaft is installed through the clamping claw 203 set on the fixed bracket 201. After the installation is completed, it is fixed through the fixed connection 204 set at the upper end of the clamping claw 203, and a suitable position is selected. The monitoring base 200 is installed and fixed through the installation through hole 207 to monitor whether the shaft is offset.

[0034] Example 2

[0035] Reference Figure 3 and Figure 5, which is the second embodiment of the present utility model. Different from the previous embodiment, this embodiment provides a connection structure to solve the problems of high installation difficulty and inaccurate positioning. It includes a monitoring base 200, which includes a fixed bracket 201, a clamping claw 203 and a guide ball 208. The monitoring base 200 is provided with a fixed bracket 201, and the fixed bracket 201 is provided with a clamping claw 203. The clamping claw 203 is provided with a positioning unit 100, and the clamping claw 203 is provided with a guide ball 208;

[0036] Preferably, an auxiliary spring piece 209 is provided in the clamping claw 203, and a connecting guide column 209a is provided at one end of the auxiliary spring piece 209. A guide blind hole 209b is reserved on the connecting guide column 209a, and a trigger boss 209c is provided in the guide blind hole 209b. At least two groups of mounting through holes 207 are reserved on the monitoring base 200. The guide blind hole 209b provided inside the connecting guide column 209a is connected to the trigger link 105. After the installation is completed, the distance between the trigger link 105 and the trigger boss 209c can be shortened. When offset feedback occurs again, the staff can be accurately prompted to improve the accuracy of the collected data.

[0037] During use, when the internal rotating shaft is offset, the auxiliary spring piece 209 on the offset will drive the connecting guide column 209a to move together, so that the internal trigger boss 209c and the trigger link 105 come into contact with each other, triggering the contact switch 105b inside the trigger link 105, and transmitting the electrical signal of the corresponding position to the relevant terminal through the wire to prompt the staff.

[0038] Example 3

[0039] Reference Figure 4 , which is the third embodiment of the present invention. Unlike the previous embodiment, this embodiment solves the problem of accurately identifying whether the rotating shaft is offset. It includes a positioning unit 100, which includes a guide joint 101, a linkage link 103 and a trigger link 105. The linkage link 103 is provided at one end of the guide joint 101, and the trigger link 105 is provided at the end of the linkage link 103 away from the guide joint 101.

[0040] Preferably, the guide joint 101 is connected to the linkage link 103 through the joint swivel 102, the linkage link 103 and the trigger link 105 are connected to each other through the connecting shaft 106, and the joint swivel 102 and the linkage link 103 are connected to each other through the connecting shaft 106. After the installation is completed, the corresponding links can be better linked, thereby improving the linkage effect of the links.

[0041] Furthermore, a positioning blind hole 105a is reserved in the trigger link 105, a contact switch 105b is provided in the positioning blind hole 105a, a wire is electrically connected to the contact switch 105b, the guide joint 101 is provided with bosses and grooves of complementary shapes, and at least one set of connecting springs 107 is provided on the guide joint 101. The electrical signal collected internally is transmitted through the electrical connection between the internal contact switch 105b and the external terminal box 206, and a trigger prompt is performed when the rotating shaft is offset.

[0042] During use, when the clamping claw 203 is installed, the guide joint 101 with complementary structures will be better installed and positioned, and after installation, it will drive the linkage link 103 to move through the joint swivel 102, and at the same time drive the trigger link 105 to move toward the position of the connecting guide column 209a, so that the positioning blind hole 105a inside the trigger link 105 and the trigger boss 209c contact each other, so that the distance between the contact switch 105b set in the positioning blind hole 105a and the trigger boss 209c is shortened, and the offset information of the rotating shaft is collected more sensitively.

[0043] It is important to note that the configuration and arrangement of the present application, as illustrated in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure should readily appreciate that numerous modifications are possible without materially departing from the novel teachings and advantages of the subject matter described herein. For example, variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​such as temperature, pressure, mounting arrangements, use of materials, color, and orientation, are possible. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this disclosure. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures that perform the functions described herein, and not only structural equivalence 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 this disclosure. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0044] Furthermore, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiment may not be described, i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention.

[0045] It should be understood that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A connection structure, characterized in that: include, A positioning unit (100) comprises a guide joint (101), a linkage link (103) and a trigger link (105); one end of the guide joint (101) is provided with the linkage link (103); and one end of the linkage link (103) away from the guide joint (101) is provided with the trigger link (105).

2. The connection structure according to claim 1, wherein: The guide joint (101) is connected to the linkage link (103) via a joint rotating seat (102), the linkage link (103) and the trigger link (105) are connected to each other via a connecting shaft (106), and the joint rotating seat (102) and the linkage link (103) are connected to each other via a connecting shaft (106).

3. The connection structure according to claim 2, wherein: A positioning blind hole (105a) is reserved in the trigger connecting rod (105), a contact switch (105b) is arranged in the positioning blind hole (105a), and a wire is electrically connected to the contact switch (105b).

4. The connection structure according to claim 3, wherein: The guide joint (101) is provided with a boss and a groove with mutually complementary shapes, and at least one group of connecting springs (107) is provided on the guide joint (101).

5. A turbine monitoring device, characterized in that: comprising the connection structure according to any one of claims 1 to 4, and A monitoring base (200) is provided, wherein the monitoring base (200) comprises a fixed bracket (201), a clamping claw (203) and a guide ball (208); the monitoring base (200) is provided with a fixed bracket (201); the fixed bracket (201) is provided with a clamping claw (203); a positioning unit (100) is provided in the clamping claw (203); and a guide ball (208) is provided in the clamping claw (203).

6. The hydraulic turbine monitoring device according to claim 5, characterized in that: The fixing bracket (201) is connected to the clamping claw (203) via the mounting shaft (202), and the clamping claw (203) is connected to the positioning unit (100) via the inner connecting groove (203a).

7. The hydraulic turbine monitoring device according to claim 6, characterized in that: One end of the clamping claw (203) is provided with a fixed connection (204), the other end of the clamping claw (203) is provided with a rotating joint (205), and the outside of the clamping claw (203) is provided with an external terminal box (206).

8. The hydraulic turbine monitoring device according to claim 5, characterized in that: At least one group of guide balls (208) is provided on the clamping claw (203), and one end of the clamping claw (203) is provided with a connecting seat connected to an elastic member.

9. The hydraulic turbine monitoring device according to claim 7, characterized in that: An auxiliary spring piece (209) is provided in the clamping claw (203), a connecting guide column (209a) is provided at one end of the auxiliary spring piece (209), a guide blind hole (209b) is reserved on the connecting guide column (209a), and a trigger boss (209c) is provided in the guide blind hole (209b).

10. The hydraulic turbine monitoring device according to claim 5, characterized in that: At least two groups of mounting through holes (207) are reserved on the monitoring base (200).

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