Torque wrench for installing turbine bearing temperature probes

Abstract

The utility model relates to a torsion wrench for installing turbine bearing bush temperature measuring point, it includes: clamping part, clamping part is used for clamping the nut of waiting to twist, clamping part has two ends, one end is the blocking end, the other end is the open end, wherein, the open end is used to accommodate and suit the nut of waiting to twist, the blocking end is the step of radial inside shrink, is used to prevent the nut from again by the blocking end after suiting and going out, thereby realizes the accurate positioning nut of waiting to twist under the condition that space and light are not enough, clamping part, handle, handle is fixedly connected on the radial outside surface of clamping part, forms the lever action, twists the nut of waiting to twist easily. According to the torsion wrench for installing turbine bearing bush temperature measuring point of the utility model, when assisting installing turbine each bearing bush temperature element, on one hand can reduce the installation interference condition caused due to the visual obstruction of environment, on the other hand can safely, efficiently install temperature element to the position, and the element will not cause measuring point misalignment due to installation not firm.

Description

Technical Field

[0001] This utility model relates to the field of industrial field operation tools, and more specifically, to a torque wrench for installing temperature measuring points on turbine bearings. Background Technology

[0002] In power production sites, temperature sensors are needed to measure the temperature of turbine bearings to determine whether the temperature of the turbine bearings meets the requirements for safe operation. The feedback display of bearing temperature enables timely interlocking protection actions to ensure the safety of the unit.

[0003] During turbine overhaul, the limited area for installing temperature elements and the obstructed view during disassembly can lead to issues such as loose mounting of measuring points and inaccurate measurements. Maintenance personnel often struggle to reliably install measuring points into the turbine's bearings, and existing wrenches are insufficient for effective maintenance.

[0004] Therefore, in order to meet monitoring needs and ensure the safe operation of steam turbine units, it is urgent to develop an auxiliary tool for installing temperature measuring points on steam turbine bearings, which can quickly help maintenance personnel to safely and reliably install the measuring points into each bearing of the steam turbine. Summary of the Invention

[0005] The technical problem this invention aims to solve is that when maintenance personnel use existing operating tools, issues such as loosely fastened measuring points and inaccurate measurements easily occur, resulting in low maintenance efficiency.

[0006] To solve the above-mentioned technical problems, this utility model provides a torque wrench for installing temperature measuring points on turbine bearings, comprising: a clamping part for clamping a nut to be turned, the clamping part having two ends, one end being a blocking end and the other end being an open end, wherein the open end is used to accommodate and fit the nut to be turned, and the blocking end is a radially recessed step to prevent the nut from extending out of the blocking end after being fitted, thereby enabling the clamping part to accurately position the nut to be turned even in situations where space and light are insufficient; and a handle fixedly connected to the radially outer side of the clamping part to form a lever action, so as to easily turn the nut to be turned.

[0007] According to an embodiment of the present invention, the handle and the clamping part can be fixedly connected at one end near the blocking end.

[0008] According to an embodiment of the present invention, the handle and the clamping part can be connected by welding.

[0009] According to an embodiment of the present invention, the clamping part can be made of a concave hexagonal screw nut, which has an opening on one side.

[0010] According to an embodiment of this utility model, the dimensions of the concave hexagonal screw nut can be an outer diameter of 18 mm and an inner diameter of 12 mm.

[0011] According to an embodiment of this utility model, the opening may not exceed 1 / 2 of the outer diameter of the nut to be twisted.

[0012] According to an embodiment of this utility model, the opening width can be 8mm.

[0013] According to an embodiment of this utility model, the handle can be elongated.

[0014] According to an embodiment of this utility model, the handle can be a stainless steel metal rod.

[0015] According to an embodiment of the present invention, the handle can be bent at the end by 90°, and the bent end is parallel to the axial direction of the clamping part, and then welded to the clamping part.

[0016] Compared with the prior art, the technical solution provided by the embodiments of this utility model can achieve at least the following beneficial effects:

[0017] The torque wrench of this utility model for installing temperature measuring points on turbine bearings can reduce installation interference caused by obstructed vision in the environment when assisting in the installation of temperature elements on various turbine bearings. On the other hand, it can safely and efficiently install the temperature elements in place, and the measuring points will not be inaccurate due to the elements not being installed securely. Moreover, it is simple to operate and highly practical for maintenance sites. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of this utility model, and are not intended to limit this utility model.

[0019] Figure 1 This is a schematic diagram of a torque wrench for installing a turbine bearing temperature measuring point according to an embodiment of the present invention;

[0020] Figure 2 yes Figure 1 Side view. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a limitation of quantity, but rather indicate the presence of at least one.

[0023] Figure 1 This is a schematic diagram of a torque wrench for installing a turbine bearing temperature measuring point according to an embodiment of the present invention; Figure 2 yes Figure 1 Side view.

[0024] like Figure 1 and Figure 2 As shown, the torque wrench used for installing turbine bearing temperature measuring points includes: a clamping part 1 and a handle 2.

[0025] The clamping part 1 is used to clamp the nut to be turned. The clamping part 1 has two ends, one end is a blocking end 3 and the other end is an open end 4. The open end 4 is used to accommodate and fit the nut to be turned. The blocking end 3 is a radially recessed step to prevent the nut from protruding after it is fitted into the plate. This allows the clamping part 1 to accurately position the nut to be turned even when there is insufficient space and light.

[0026] The handle 2 is fixedly connected to the radially outer side of the clamping part 1 to form a lever effect, so as to easily twist the nut to be twisted.

[0027] According to one or more embodiments of the present invention, the handle 2 and the clamping part 1 are fixedly connected at one end near the blocking end 3.

[0028] According to one or more embodiments of the present invention, the handle 2 and the clamping part 1 are connected by welding.

[0029] According to one or more embodiments of the present invention, the clamping part 1 is made of a concave hexagonal screw nut, which has an opening on one side.

[0030] According to one or more embodiments of this utility model, the concave hexagonal screw nut has an outer diameter of 18mm and an inner diameter of 12mm.

[0031] According to one or more embodiments of the present invention, the opening does not exceed 1 / 2 of the outer diameter of the nut to be twisted.

[0032] According to one or more embodiments of this utility model, the opening width is 8mm.

[0033] According to one or more embodiments of the present invention, the handle 2 is elongated.

[0034] According to one or more embodiments of the present invention, the handle 2 is a stainless steel metal rod.

[0035] According to one or more embodiments of the present invention, after the handle 2 is bent at 90°, the bent end is parallel to the axial direction of the clamping part 1, and then welded to the clamping part 1.

[0036] The torque wrench of this utility model for installing temperature measuring points on turbine bearings can reduce installation interference caused by obstructed vision in the environment when assisting in the installation of temperature elements on various turbine bearings. On the other hand, it can safely and efficiently install the temperature elements in place, and the measuring points will not be inaccurate due to the elements not being installed securely. Moreover, it is simple to operate and highly practical for maintenance sites.

[0037] In use, a 12mm inner diameter concave hexagonal screw and nut interface is used as the clamping part, and a 150mm long, 5mm diameter stainless steel rod is used as the handle. After cutting the concave hexagonal screw and nut interface to form an opening groove, it is then welded to the stainless steel rod. When installing the bearing temperature element, the temperature element extension cable is inserted through the opening groove, and the hexagonal screw used to fix the temperature element is inserted through the concave hexagonal screw and nut to tighten the temperature element.

[0038] The above description is merely an exemplary embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. The scope of protection of the present utility model is determined by the appended claims.

Claims

1. A torque wrench for installing temperature measuring points on turbine bearings, characterized in that, include: The clamping part is used to clamp the nut to be turned. The clamping part has two ends, one end is a blocking end and the other end is an open end. The open end is used to accommodate and fit the nut to be turned. The blocking end is a radially recessed step to prevent the nut from protruding after it is fitted into the plate. This allows the clamping part to accurately position the nut to be turned even when there is insufficient space and light. The handle is fixedly connected to the radially outer side of the clamping part, forming a lever effect to easily turn the nut to be turned. The handle is bent at 90° at its end, and the bent end is parallel to the axial direction of the clamping part before being welded to the clamping part.

2. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 1, characterized in that, The handle and the clamping part are fixedly connected at one end near the blocking end.

3. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 1, characterized in that, The handle and the clamping part are connected by welding.

4. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 1, characterized in that, The clamping part is made of a concave hexagonal screw nut, which has an opening on one side.

5. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 4, characterized in that, The concave hexagonal screw nut has an outer diameter of 18mm and an inner diameter of 12mm.

6. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 4, characterized in that, The opening is no more than 1 / 2 of the outer diameter of the nut to be turned.

7. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 4, characterized in that, The opening width is 8mm.

8. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 1, characterized in that, The handle is long and narrow.

9. The torque wrench for installing temperature measuring points on turbine bearings as described in claim 1, characterized in that, The handle is a stainless steel metal rod.

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