Steam turbine overhauling device

Abstract

The utility model relates to the technical field of steam turbine overhauling tools, and discloses a steam turbine overhauling device which comprises a knife handle, a knife rest is installed on one side of the knife handle, a connecting piece rotating in the circumferential direction of the knife handle is arranged on the other side of the knife handle, and a detection lamp body is connected to a rotating shaft on the other side of the connecting piece. The connecting piece and the detection lamp body are connected through a rotating shaft in the direction perpendicular to the knife handle, a knife storage groove and an adjusting groove are formed in the knife rest, a blade is inserted into the knife storage groove, a threaded rod of a fastening bolt is inserted into the adjusting groove, and the threaded rod is in threaded connection with the interior of the blade; and the bolt head of the fastening bolt abuts against the outer side face of the tool rest to position the blade, so that the lamp bead and the blade are better protected, potential safety hazards are not likely to exist, and damage is not likely to happen.

Description

Technical Field

[0001] This utility model relates to the technical field of steam turbine maintenance tools, specifically a steam turbine maintenance device. Background Technology

[0002] The steam seal teeth on the diaphragms and steam seal body of the steam turbine need to be precision machined to meet the radial flow clearance of the steam turbine. In actual operation, scraper tools are required to grind the grooves and teeth of the steam seal teeth.

[0003] In related technologies, please refer to Chinese Patent No. CN221582239U, which specifically discloses a steam turbine maintenance device. In the first step of using this steam turbine maintenance device, the strength of the blade is enhanced by the tool holder on one side of the tool holder, and the main ribs and reinforcing ribs on the tool holder work together. Simultaneously, the detachable connection of the blade is enhanced by the bolts. During use, by rotating the angle of the detection lamp on one side, the light shines on the blade from one side. The shadows formed by the uneven surface protrusions or depressions make it easier to locate the area requiring maintenance, thus increasing work efficiency. Furthermore, the foldable design allows for adjustment of the illumination angle, and the folding mechanism enables quick and easy storage and portability.

[0004] The applicant found that the above-mentioned turbine maintenance device has shortcomings in use: although it can realize the adjustment of the angle of the detection lamp and the folding and storage operation, there are shortcomings in use: the blade is fixed by multiple bolts, which makes the blade disassembly cumbersome, and after folding and storage, the blade and lamp do not have a good protective structure, which poses a safety hazard and is easily damaged.

[0005] In view of this, this technical solution proposes a steam turbine maintenance device to better solve the problems mentioned above.

[0006] Utility model content.

[0007] The technical solution adopted by this utility model is as follows: a steam turbine maintenance device, including a tool holder, a tool post is installed on one side of the tool holder, a connecting member that rotates circumferentially with the tool holder is provided on the other side of the tool holder, and a detection lamp body is connected to the other side of the connecting member by a rotating shaft. The connecting member and the detection lamp body are connected by a rotating shaft in a direction perpendicular to the tool holder.

[0008] The tool holder has a tool storage slot and an adjustment slot inside. The tool storage slot is used to insert a blade, and the adjustment slot is used to insert a threaded rod of a fastening bolt. The threaded rod is threaded into the inside of the blade, and the bolt head of the fastening bolt abuts against the outer surface of the tool holder to position the blade.

[0009] In a preferred embodiment, the detection lamp body has an internal lamp bead groove, and an lamp bead is disposed inside the lamp bead groove. The detection lamp body is bent on the side near the lamp bead groove.

[0010] In a preferred embodiment, a magnet is provided on the top right side of the detection lamp body.

[0011] In a preferred embodiment, the detection lamp body and the knife holder have the same width, and the detection lamp body and the knife holder can be flipped and folded together by a connector.

[0012] In a preferred embodiment, a second magnet is provided at the matching position between the tool holder and the first magnet, and the second magnet and the first magnet are a pair of magnets with opposite polarities.

[0013] In a preferred embodiment, the handle is provided with a button, and the button is electrically connected to the LED.

[0014] In a preferred embodiment, the blade has threaded holes on both the upper and lower left sides that are adapted to the threaded rod of the fastening bolt, and the threaded rod is threadedly connected in the threaded holes.

[0015] In a preferred embodiment, the bolt head of the fastening bolt is provided with an anti-slip pad on one side of the tool holder, and the anti-slip pad abuts against the outer side of the tool holder. A screw plate for rotating the fastening bolt is fixed to the outer side of the bolt head of the fastening bolt.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: it facilitates better protection of the LED beads and blades, reduces the risk of safety hazards, and makes them less susceptible to damage.

[0017] 1. In this utility model, by flipping and folding the knife holder and the detection lamp body together, the second magnet and the first magnet are attracted together, which can limit the knife holder and the detection lamp body together and prevent them from opening automatically. Since the knife holder and the detection lamp body have the same width, the knife holder covers the lamp bead to protect the lamp bead.

[0018] 2. In this utility model, by rotating the fastening bolt to one side by tightening the screw plate, the anti-slip pad on the fastening bolt is separated from the outer side of the blade holder, so that the blade can be moved and stored inside the blade storage slot. Then, by tightening the screw plate to lock the fastening bolt on the blade holder, the anti-slip pad is made to fit against the outer side of the blade holder, so that the blade is positioned in the blade storage slot for storage and protection. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1Enlarged schematic diagram of the structure of region A in the middle;

[0021] Figure 3 This is a schematic diagram of the tool holder and blade mounting structure of this utility model.

[0022] Markings in the diagram: 1-Knife handle; 2-Connector; 3-Detection lamp body; 4-LED slot; 5-LED; 6-Magnet 1; 7-Button; 8-Knife holder; 9-Magnet 2; 10-Knife storage slot; 11-Adjustment slot; 12-Knife blade; 13-Threaded hole; 14-Fastening bolt; 15-Anti-slip pad; 16-Tightening plate. Detailed Implementation

[0023] 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 in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] The following will combine Figures 1-3 A detailed description of a steam turbine maintenance device according to an embodiment of the present invention will be provided.

[0025] refer to Figure 1 As shown, a turbine maintenance device includes a tool holder 1, a tool post 8 mounted on one side of the tool holder 1, and a connecting member 2 that rotates circumferentially with the tool holder 1 on the other side of the tool holder 1. A detection lamp body 3 is connected to the other side of the connecting member 2 via a rotating shaft. The connecting member 2 and the detection lamp body 3 are connected via a rotating shaft in a direction perpendicular to the tool holder 1. A lamp bead groove 4 is opened inside the detection lamp body 3, and a lamp bead 5 is arranged inside the lamp bead groove 4. The side of the detection lamp body 3 near the lamp bead groove 4 is bent. A button 7 is provided on the tool holder 1, and the button 7 is electrically connected to the lamp bead 5.

[0026] According to the above technical solution, the angle of the detection lamp body 3 can be adjusted by the connector 2, and the lamp beads 5 can be controlled by the button 7.

[0027] refer to Figure 1-3 As shown, a magnet 6 is provided on the top right side of the detection lamp body 3. The detection lamp body 3 and the knife holder 8 have the same width, and the detection lamp body 3 and the knife holder 8 can be flipped and folded together by the connector 2. A magnet 9 is provided at the matching position between the knife holder 8 and the magnet 6, and the magnet 9 and the magnet 6 are a pair of magnets with opposite polarities.

[0028] According to the above technical solution, by flipping and folding the knife holder 8 and the detection lamp body 3 together, the second magnet 9 and the first magnet 6 are attracted together, which can limit the knife holder 8 and the detection lamp body 3 together and prevent them from opening automatically. Since the knife holder 8 and the detection lamp body 3 have the same width, the knife holder 8 covers the lamp bead 5 to protect the lamp bead 5.

[0029] refer to Figure 1-3 As shown, the tool holder 8 has a tool storage slot 10 and an adjustment slot 11 inside. The tool storage slot 10 is used to insert a blade 12. The adjustment slot 11 is used to insert the threaded rod of a fastening bolt 14, which is threaded into the inside of the blade 12. The bolt head of the fastening bolt 14 abuts against the outer surface of the tool holder 8 to position the blade 12. The blade 12 has threaded holes 13 on the upper and lower left sides that are adapted to the threaded rod of the fastening bolt 14, and the threaded rod is threaded into the threaded holes 13. The bolt head of the fastening bolt 14 is provided with an anti-slip pad 15 on one side of the tool holder 8, and the anti-slip pad 15 abuts against the outer surface of the tool holder 8. A screw plate 16 is fixed on the outer side of the bolt head of the fastening bolt 14 for rotating the fastening bolt 14.

[0030] According to the above technical solution, by rotating the fastening bolt 14 to one side by tightening plate 16, the anti-slip pad 15 provided on the fastening bolt 14 is separated from the outer side of the tool holder 8, so that the blade 12 can be moved and stored inside the tool storage groove 10. Then, by tightening plate 16, the fastening bolt 14 is locked on the tool holder 8, so that the anti-slip pad 15 is in contact with the outer side of the tool holder 8, so that the blade 12 is positioned in the tool storage groove 10 for storage and protection.

[0031] Advantages of this application: It facilitates better protection of LED beads 5 and blades 12, reduces the risk of safety hazards, and makes them less susceptible to damage.

[0032] This technical solution mainly protects the LED bead 5 and the blade 12, and mainly solves the problems raised in the background technology. This technical solution proposes the same structure as the prior art. The installation and control of the structure are not described in detail in this technical solution. This technical solution mainly describes the structure for protecting the LED bead 5 and the blade 12.

[0033] Working principle: When storing and protecting the blade 12, the fastening bolt 14 is rotated to one side by the screw plate 16, so that the anti-slip pad 15 on the fastening bolt 14 is separated from the outer side of the blade holder 8, and the blade 12 can be moved and stored inside the storage slot 10. Then, the fastening bolt 14 is locked onto the blade holder 8 by the screw plate 16, so that the anti-slip pad 15 is in contact with the outer side of the blade holder 8, and the blade 12 is positioned in the storage slot 10 for storage and protection.

[0034] When protecting the LED bead 5, the tool holder 8 and the detection lamp body 3 are flipped and folded together. At this time, the second magnet 9 and the first magnet 6 are attracted together, which can limit the tool holder 8 and the detection lamp body 3 together and prevent them from opening automatically. Since the tool holder 8 and the detection lamp body 3 have the same width, the tool holder 8 covers the LED bead 5 to protect it.

[0035] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by a technician in the field through simple programming, which is common knowledge in the field. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0036] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A steam turbine maintenance device, comprising a tool holder (1), characterized in that: A tool holder (8) is installed on one side of the tool handle (1), and a connecting piece (2) that rotates circumferentially with the tool handle (1) is provided on the other side of the tool handle (1). A detection lamp body (3) is connected to the other side of the connecting piece (2) via a rotating shaft. The connecting piece (2) and the detection lamp body (3) are connected via a rotating shaft in a direction perpendicular to the tool handle (1). The tool holder (8) has a tool storage groove (10) and an adjustment groove (11) inside. The tool storage groove (10) is inserted with a blade (12). The adjustment groove (11) is inserted with a threaded rod of a fastening bolt (14), and the threaded rod is threadedly connected to the inside of the blade (12). The bolt head of the fastening bolt (14) abuts against the outer surface of the tool holder (8) to position the blade (12).

2. The turbine maintenance device as described in claim 1, characterized in that: The detection lamp body (3) has an internal lamp bead groove (4) and an lamp bead (5) is provided inside the lamp bead groove (4). The detection lamp body (3) is bent on the side near the lamp bead groove (4).

3. The turbine maintenance device as described in claim 1, characterized in that: A magnet (6) is provided on the top right side of the detection lamp body (3).

4. The turbine maintenance device as described in claim 1, characterized in that: The detection lamp body (3) and the knife holder (8) have the same width, and the detection lamp body (3) and the knife holder (8) can be flipped and folded together by the connector (2).

5. The turbine maintenance device as described in claim 1, characterized in that: The tool holder (8) is fitted with a magnet (9) at the same position as the first magnet (6), and the second magnet (9) and the first magnet (6) are a pair of magnets with opposite polarities.

6. The turbine maintenance device as described in claim 1, characterized in that: The handle (1) is provided with a button (7), and the button (7) is electrically connected to the lamp bead (5).

7. A steam turbine maintenance device as described in claim 1, characterized in that: The blade (12) has threaded holes (13) on the upper and lower left sides that are compatible with the threaded rod of the fastening bolt (14), and the threaded rod is threadedly connected in the threaded hole (13).

8. The turbine maintenance device as described in claim 1, characterized in that: The bolt head of the fastening bolt (14) is provided with an anti-slip pad (15) on one side of the tool holder (8), and the anti-slip pad (15) abuts against the outer side of the tool holder (8). The outer side of the bolt head of the fastening bolt (14) is fixed with a screw plate (16) for rotating the fastening bolt (14).

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