Online processing device for spiral ventilating slot of collecting ring of generator

Abstract

An on-line machining device for a spiral ventilation groove of a collecting ring of a generator comprises a tool support, a cross beam is fixed to the tool support, a sleeve is arranged on the cross beam in a sliding mode, a transverse moving base is fixed to the sleeve in a welded mode, and a longitudinal moving base is arranged on the transverse moving base in a sliding mode. After the position of the tool support is adjusted, the tool is inserted into one end of the ventilation groove in the surface of the collecting ring, then the collecting ring is driven to rotate through external force, the tool moves in the ventilation groove, the ventilation groove is machined to the needed depth, in this way, the collecting ring does not need to be disassembled, and cost is greatly reduced. The tool is rotatably mounted on the cross beam through the sleeve, horizontal movement of the tool can be guided through contact of the wear-resisting block and the collecting ring in the machining process, and the tool can be quickly separated from the ventilation groove of the collecting ring by loosening the wear-resisting block and rotating the sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of collector rings, in particular to an online processing device for spiral ventilation grooves in collector rings of generators. Background Art

[0002] The surface of the collector rings of large generators is severely worn due to poor quality of carbon brushes and uneven brush holding force. The spiral ventilation grooves on the collector rings become shallower due to wear due to long-term operation, which not only reduces the ventilation capacity of the collector rings, but also fails to remove the worn carbon powder through the ventilation grooves in time, which can easily cause the generator collector rings to spark or even ring fire, seriously affecting the safe operation of the generator set.

[0003] Since the ventilation grooves are spiral and the collector rings are extremely difficult to disassemble, and the installation process after disassembly is unreliable, most power plants spend millions of yuan to replace the collector rings, which is very costly. Therefore, the purpose of this application is to propose an online processing device for spiral ventilation grooves in generator collector rings to solve the above problems. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an online processing device for spiral ventilation grooves of a generator collector ring to solve the above problems.

[0005] To achieve the above-mentioned purpose, the utility model provides an online processing device for spiral ventilation grooves of a generator collector ring, comprising a tooling bracket, a crossbeam is fixed on the tooling bracket, a sleeve is slidably provided on the crossbeam, a transverse movable base is welded and fixed to the sleeve, a longitudinal movable base is slidably provided on the transverse movable base, and a tool for cutting the ventilation grooves of the collector ring is installed on the surface of the longitudinal movable base.

[0006] Preferably, an adjusting screw is threadedly connected to the transverse movable base, and the head of the adjusting screw is in close contact with the rear end of the longitudinal movable base.

[0007] Preferably, a return spring is connected between the longitudinal movable base and the transverse movable base.

[0008] Preferably, the crossbeam is a cylindrical structure, a guide mechanism is installed on the transverse movable base, the guide mechanism includes a fixing frame welded and fixed to the transverse movable base, the fixing frame is installed with a wear-resistant block, and the wear-resistant block abuts against the surface of the collector ring when the sleeve moves.

[0009] Preferably, fixing bolts are connected between the wear-resistant block and the fixing frame.

[0010] Preferably, the tool is connected to the longitudinal movable base via a fixing mechanism, which includes two semicircular hoops, a connecting bolt is connected between the two semicircular hoops, one of the semicircular hoops is welded and fixed to the longitudinal movable base, and the tool is fixed between the two semicircular hoops.

[0011] Preferably, the tooling bracket includes two L-shaped steel frames, and the two steel frames are respectively welded and fixed to the two ends of the beam.

[0012] Beneficial effect: When processing the ventilation groove of the collector ring, the utility model adjusts the position of the tooling bracket, inserts the tool into one end of the ventilation groove on the surface of the collector ring, and then drives the collector ring to rotate by external force to make the tool move in the ventilation groove, and processes the ventilation groove to a required depth. In this way, there is no need to disassemble the collector ring, which greatly reduces the cost. In addition, the utility model rotatably mounts the tool on the crossbeam through a sleeve. During the processing, the horizontal movement of the tool can be guided by the contact between the wear-resistant block and the collector ring, and the tool can be quickly detached from the ventilation groove of the collector ring by loosening the wear-resistant block and rotating the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0016] Figure 3 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1. tooling bracket; 12. steel frame; 2. crossbeam; 3. sleeve; 4. transverse movable base; 5. longitudinal movable base; 6. collector ring; 7. tool; 8. adjusting screw; 9. reset spring; 10. guide mechanism; 101. fixing frame; 102. wear-resistant block; 103. fixing bolt; 11. fixing mechanism; 111. semicircular hoop; 112. connecting bolt. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-3 The specific implementation modes of the present utility model are further described in detail.

[0019] Depend on Figure 1-3The utility model provides an online processing device for spiral ventilation grooves of a collector ring of a generator, comprising a tooling bracket 1, a crossbeam 2 is fixed on the tooling bracket 1, a sleeve 3 is slidably provided on the crossbeam 2, a transverse movable base 4 is welded and fixed to the sleeve 3, a longitudinal movable base 5 is slidably provided on the transverse movable base 4, and a tool 7 for cutting the ventilation grooves of the collector ring 6 is installed on the surface of the longitudinal movable base 5.

[0020] When the utility model is in use, firstly, the position and height of the tool support 1 are adjusted so that the crossbeam 2 and the center of the collector ring 6 are at the same height and parallel, and then the feed depth of the tool 7 is adjusted by moving the longitudinal movable base 5 so that the tool 7 is inserted into one end of the ventilation groove on the surface of the collector ring 6, and then the collector ring 6 is driven to rotate by an external force so that the tool 7 moves in the ventilation groove and the ventilation groove is processed to a required depth. In this way, there is no need to disassemble the collector ring 6, which greatly reduces the cost.

[0021] In some embodiments, an adjusting screw 8 is threadedly connected to the transverse movable base 4, and the head of the adjusting screw 8 is in close contact with the rear end of the longitudinal movable base 5. A reset spring 9 is connected between the longitudinal movable base 5 and the transverse movable base 4. When adjusting the feed depth of the tool 7, by rotating the adjusting screw 8 toward one end of the collector ring 6, the longitudinal movable base 5 can be pushed to move toward the collector ring 6, thereby increasing the feed depth of the tool 7. Conversely, rotating the adjusting screw 8 toward the end away from the collector ring 6 can reduce the feed progress of the tool 7.

[0022] In some embodiments, the beam 2 is a cylindrical structure, and a guide mechanism 10 is installed on the transversely movable base 4. The guide mechanism 10 includes a fixing frame 101 welded and fixed to the transversely movable base 4. The fixing frame 101 is installed with a wear-resistant block 102. The wear-resistant block 102 abuts against the surface of the collector ring 6 when the sleeve 3 moves. When in use, the transversely movable base 4 is manually pressed to make the wear-resistant block 102 abut against the surface of the collector ring 6, and then the transversely movable base 4 is pushed to drive the tool 7 to move. The horizontal movement of the tool 7 is guided by the contact between the wear-resistant block 102 and the collector ring 6. In addition, during the processing, the wear-resistant block 102 is loosened and the sleeve 3 is rotated to quickly separate the tool 7 from the ventilation groove of the collector ring 6.

[0023] In some embodiments, a fixing bolt 103 is connected between the wear-resistant block 102 and the fixing frame 101 , and the wear-resistant block 102 is installed by the fixing bolt 103 , which facilitates the installation and removal of the wear-resistant block 102 .

[0024] In some embodiments, the tool 7 is connected to the longitudinal movable base 5 via a fixing mechanism 11, which includes two semicircular hoops 111, and a connecting bolt 112 is connected between the two semicircular hoops 111. One of the semicircular hoops 111 is welded and fixed to the longitudinal movable base 5, and the tool 7 is fixed between the two semicircular hoops 111.

[0025] In some embodiments, the tooling bracket 1 includes two L-shaped steel frames 12, which are respectively welded and fixed to the two ends of the beam 2. A through hole is penetrated through the bottom of the steel frame 12, which can be fixed to the ground by bolts or directly welded to the ground.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An online processing device for spiral ventilation grooves of generator collector rings, It is characterized in that The tooling bracket (1) comprises a crossbeam (2) fixed on the tooling bracket (1), a sleeve (3) slidably provided on the crossbeam (2), a transverse movable base (4) welded and fixed to the sleeve (3), a longitudinal movable base (5) slidably provided on the transverse movable base (4), and a tool (7) for cutting the ventilation groove of the collector ring (6) is installed on the surface of the longitudinal movable base (5).

2. The online processing device for spiral ventilation grooves of a generator collector ring according to claim 1, It is characterized in that The transverse movable base (4) is threadedly connected with an adjusting screw (8), and the head of the adjusting screw (8) is in close contact with the rear end of the longitudinal movable base (5).

3. The online processing device for spiral ventilation grooves of a generator collector ring according to claim 2, It is characterized in that A return spring (9) is connected between the longitudinal movable base (5) and the transverse movable base (4).

4. The on-line processing device for spiral ventilation grooves of a generator collector ring according to claim 1, It is characterized in that The crossbeam (2) is a cylindrical structure. A guide mechanism (10) is installed on the transverse movable base (4). The guide mechanism (10) includes a fixing frame (101) welded and fixed to the transverse movable base (4). The fixing frame (101) is installed with a wear-resistant block (102). When the sleeve (3) moves, the wear-resistant block (102) abuts against the surface of the collector ring (6).

5. The on-line processing device for spiral ventilation grooves of a generator collector ring according to claim 4, It is characterized in that A fixing bolt (103) is connected between the wear-resistant block (102) and the fixing frame (101).

6. The on-line processing device for spiral ventilation grooves of a generator collector ring according to claim 4, It is characterized in that The cutter (7) is connected to the longitudinal movable base (5) via a fixing mechanism (11), wherein the fixing mechanism (11) comprises two semicircular hoops (111), a connecting bolt (112) being connected between the two semicircular hoops (111), one of the semicircular hoops (111) being fixed to the longitudinal movable base (5) by welding, and the cutter (7) is fixed between the two semicircular hoops (111).

7. The on-line processing device for spiral ventilation grooves of a generator collector ring according to claim 1, It is characterized in that The tooling bracket (1) comprises two L-shaped steel frames (12), and the two steel frames (12) are respectively welded and fixed to the two ends of the crossbeam (2).

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