CN203956461U - A kind of double-fed generator bearing disassembling device - Google Patents
A kind of double-fed generator bearing disassembling device Download PDFInfo
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- CN203956461U CN203956461U CN201420414148.5U CN201420414148U CN203956461U CN 203956461 U CN203956461 U CN 203956461U CN 201420414148 U CN201420414148 U CN 201420414148U CN 203956461 U CN203956461 U CN 203956461U
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- double
- fed generator
- disassembling device
- block
- extension rod
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Abstract
The utility model discloses a kind of double-fed generator bearing disassembling device, comprise back-up block, dismounting power part, rod assembly and ferrule assemblies, ferrule assemblies comprises cutting ferrule securing member and two cutting ferrules, two cutting ferrules can symmetrical be set on the outer ring of described bearing, and lock by cutting ferrule securing member, rod assembly comprises pull bar and extension rod, one end of pull bar is fixedly connected with one end of extension rod is dismountable, the other end of pull bar is connected with cutting ferrule, and the other end of extension rod is connected with back-up block.Double-fed generator bearing disassembling device of the present utility model has advantages of simple in structure, economic and practical, flexible and safe and reliable.
Description
Technical field
The utility model relates to bearing installation and removal field, relates in particular to a kind of double-fed generator bearing disassembling device.
Background technology
Double-fed wind power generator group is because shaft current causes dynamo bearing galvano-cautery in the process of operation, and serious bearing galvano-cautery meeting causes that bearing surface peels off, bearing failure, thereby causes wind-driven generator to be shut down.For guaranteeing the continuous service of wind-driven generator, need to change in time the fault bearing of generator, but due to the cabin of wind-driven generator far from ground up to hundred meters of left and right, generator returns factory's transport difficulty, and it is costly to change bearing, therefore, need to change dynamo bearing by the mode of autonomous dismounting bearing, thereby minimizing generator returns the expense of factory's replacing bearing.
The bearing disassembling device of available technology adopting, its pull bar length is fixed, because the length of double-fed generator anti-drive end axle, drive end axle is different, if pull bar length is fixed, to cause bearing disassembling device can only be suitable for the bearing of double-fed generator anti-drive end axle, or one of them dismounting of the bearing of drive end axle, and while all dismantling for the anti-drive end axle of double-fed generator and the bearing of drive end axle, need the bearing extractor that adopts two covers different, not only operation inconvenience, cost also increases thereupon.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, economic and practical, flexible and safe and reliable double-fed generator bearing disassembling device is provided.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of double-fed generator bearing disassembling device, comprise back-up block, dismounting power part, rod assembly and ferrule assemblies, described ferrule assemblies comprises cutting ferrule securing member and two cutting ferrules, two described cutting ferrules can symmetrical be set on the outer ring of described bearing, and by described cutting ferrule securing member locking, described rod assembly comprises pull bar and extension rod, one end of described pull bar is fixedly connected with one end of described extension rod is dismountable, the other end of described pull bar is connected with described cutting ferrule, and the other end of described extension rod is connected with described back-up block.
Further improvement as technique scheme:
One end of described dismounting power part is connected with described back-up block, and the other end is provided with top cylinder, on the cylinder of described top, offers breach.
Described pull bar is connected by attaching nut with described extension rod.
Described cutting ferrule securing member comprises fastening screw, clamp nut and fastening gasket, and the two ends of described fastening screw are located in respectively on two described cutting ferrules, and respectively by described clamp nut and fastening gasket locking.
Described pull bar is threaded with described cutting ferrule, and described back-up block is provided with U-lag, and described extension rod is fixed through described U-lag and by cushion block and nut and described back-up block.
Described extension rod is provided with the flatter for spanner dismounting.
Described dismounting power part is hydraulic means.
Described back-up block is provided with groove with the junction of dismounting power part, in described groove, offers lightening hole.
Compared with prior art, the utility model has the advantage of:
(1) the utility model double-fed generator bearing disassembling device, comprise back-up block, dismounting power part, rod assembly and ferrule assemblies, ferrule assemblies comprises cutting ferrule securing member and two cutting ferrules, two cutting ferrules can symmetrical be set on the outer ring of bearing, and lock by cutting ferrule securing member, rod assembly comprises pull bar and extension rod, one end of pull bar is fixedly connected with one end of extension rod is dismountable, the other end of pull bar is connected with cutting ferrule, the other end of extension rod is connected with back-up block, in unloading process, double-fed generator bearing disassembling device and bearing are as a whole, can quick-detachment bearing, can not impact miscellaneous part on double-fed generator again, the utility model double-fed generator bearing disassembling device, one end of pull bar is fixedly connected with one end of extension rod is dismountable, in the time removing extension rod, bearing disassembling device can be used for dismounting compared with the bearing of minor axis, because double-fed generator has anti-drive end axle and drive end axle different in size, anti-drive end axle is generally longer than drive end axle, therefore, the utility model double-fed generator bearing disassembling device, both can realize the bearing removal of double-fed generator anti-drive end axle, can realize again the bearing removal of double-fed generator drive end axle, have easy and simple to handle, efficiency is higher, economic and practical advantage.
(2) the utility model double-fed generator bearing disassembling device, one end of dismounting power part is provided with top cylinder, on the cylinder of top, offers breach, and the threephase cable of double-fed generator passes through from breach, and then plays the effect of protection cable.
(3) the utility model double-fed generator bearing disassembling device; for increasing cushion block between the nut of fixing extension rod and back-up block; while avoiding nut directly to contact with back-up block; the removal force needing because of bearing is large; cause the bolt stripped thread of extension rod; and cushion block can fine protection extension rod bolt, extend service life of double-fed generator bearing disassembling device, realize repeatedly and using.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model double-fed generator bearing disassembling device.
Fig. 2 is the schematic diagram of the utility model double-fed generator bearing disassembling device dismounting nonpowered axle end bearing.
Fig. 3 is the structural representation of the utility model double-fed generator bearing disassembling device top cylinder.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the structural representation of the utility model double-fed generator bearing disassembling device extension rod.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the structural representation of the utility model double-fed generator bearing disassembling device back-up block.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is the schematic diagram of the utility model double-fed generator bearing disassembling device dismounting drive end bearing.
In figure, each label represents:
1, back-up block; 11, U-lag; 12, groove; 13, lightening hole; 2, dismounting power part; 3, rod assembly; 31, pull bar; 32, extension rod; 321, flatter; 33, attaching nut; 34, cushion block; 35, nut; 4, ferrule assemblies; 41, cutting ferrule; 42, cutting ferrule securing member; 421, fastening screw; 422, clamp nut; 423, fastening gasket; 5, bearing; 61, anti-drive end axle; 62, drive end axle; 7, top cylinder; 71, breach.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Fig. 1 to Fig. 9 shows a kind of embodiment of the utility model double-fed generator bearing disassembling device, this double-fed generator bearing disassembling device, comprise back-up block 1, dismounting power part 2, rod assembly 3 and ferrule assemblies 4, ferrule assemblies 4 comprises cutting ferrule securing member 42 and two cutting ferrules 41, two cutting ferrules 41 can symmetrical be set on the outer ring of bearing 5, and lock by cutting ferrule securing member 42, rod assembly 3 comprises pull bar 31 and extension rod 32, dismountable being fixedly connected with in one end of one end of pull bar 31 and extension rod 32, the other end of pull bar 31 is connected with cutting ferrule 41, the other end of extension rod 32 is connected with back-up block 1, in unloading process, double-fed generator bearing disassembling device and bearing 5 are as a whole, can quick-detachment bearing 5, can not impact miscellaneous part on double-fed generator again, double-fed generator has anti-drive end axle 61 different in size and drive end axle 62, anti-drive end axle 61 is generally longer than drive end axle 62, this double-fed generator bearing disassembling device, due to one end of pull bar 31 and dismountable being fixedly connected with in one end of extension rod 32, in the time that needs are dismantled drive end axle 62 bearing, only need to remove extension rod 32, therefore, this double-fed generator bearing disassembling device, both can realize the bearing 5 of double-fed generator anti-drive end axle 61 dismantles, also can realize the bearing removal of double-fed generator drive end axle 62, easy and simple to handle, efficiency is higher, avoid double-fed generator bearing removal to need many cover bearing disassembling devices, economic and practical.
In the time that needs are dismantled the bearing 5 of longer anti-drive end axle 61, as shown in Figure 2, doubly-fed generation arbor is the anti-drive end axle 61 of growing, pull bar 31 and extension rod 32 are parallel to anti-drive end axle 61, dismounting power part 2 is arranged between anti-drive end axle 61 and back-up block 1, while carrying out bearing removal operation, control dismounting power part 2, make it produce thrust upwards to back-up block 1, because back-up block 1 is connected with extension rod 32, therefore this thrust is upwards by extension rod 32, pull bar 31 is delivered on cutting ferrule 41, cutting ferrule 41 is held bearing 5 tightly, and then this has power upwards, drive cutting ferrule 41 that bearing 5 is upwards pulled out, realize the dismounting of bearing 5, in unloading process, double-fed generator bearing disassembling device and bearing 5 are as a whole, can quick-detachment bearing 5, can not impact miscellaneous part on double-fed generator again.
In the time that needs are dismantled the bearing of shorter drive end axle 62, as shown in Figure 6, doubly-fed generation arbor is shorter drive end axle 62, therefore, while dismantling bearing operation, bearing disassembling device does not need to install attaching nut 33, extension rod 32 and top cylinder 7, and pull bar 31 is directly connected and locks with back-up block 1, and the process of the bearing 5 of the anti-drive end axle 61 that the process of its dismounting bearing is longer with dismounting is identical.
In the present embodiment; one end of dismounting power part 2 is connected with back-up block 1; the other end is provided with top cylinder 7; while carrying out bearing removal operation; top cylinder 7 other ends are against doubly-fed generation arbor (being anti-drive end axle 61); to the location, one end of dismounting power part 2; on top cylinder 7, offer breach 71; on top cylinder 7, evenly offer multiple breach 71 along barrel circumferencial direction; while being convenient to dismantle the bearing 5 of double-fed generator anti-drive end; the threephase cable of double-fed generator passes through from breach 71, and then plays the effect of protection cable.
In the present embodiment, pull bar 31 is connected by attaching nut 33 with extension rod 32, can be used for fixing, and also can dismantle, and realizes pull bar 31 and is removably fixedly connected with extension rod 32.
In the present embodiment, cutting ferrule securing member 42 comprises fastening screw 421, clamp nut 422 and fastening gasket 423, the two ends of fastening screw 421 are located in respectively on two cutting ferrules 41, and lock by clamp nut 422 and fastening gasket 423 respectively, two cutting ferrules 41 are set on the bearing 5 of double-fed generator anti-drive end, the screwed fastening screw 421 in two ends is located in respectively the upper of two cutting ferrules 41, every end puts a pair of clamp nut 422 and fastening gasket 423, lock two cutting ferrules 41, make two cutting ferrules 41 hold the bearing 5 of double-fed generator anti-drive end tightly, so that dismounting bearing 5.
In the present embodiment, cutting ferrule securing member 42 is set to two groups, is installed in respectively two opening parts that two cutting ferrules 41 form in bearing 5 both sides.
In the present embodiment, pull bar 31 is threaded with cutting ferrule 41, back-up block 1 is provided with U-lag 11, extension rod 32 is through U-lag 11 fixing with back-up block 1 by cushion block 34 and nut 35, on back-up block 1, be provided with U-lag 11, be convenient to the installation of extension rod 32, and can realize the adjusting of extension rod 32 positions, between nut 35 and back-up block 1, increase cushion block 34, while avoiding nut 35 directly to contact with back-up block 1, the removal force needing because of bearing 5 is large, cause the bolt stripped thread of extension rod 32, and cushion block 34 can fine protection extension rod 32 bolt, extend the service life of double-fed generator bearing disassembling device, realize repeatedly and using.
In the present embodiment, extension rod 32 is provided with the flatter 321 for spanner dismounting, dismounting and the installation to extension rod 32 of open-end wrench easy to use or monkey wrench.
In the present embodiment; dismounting power part 2 is hydraulic means; back-up block 1 is provided with groove 12 with the junction of dismounting power part 2, on back-up block 1, according to hydraulic means size, designs groove 12; when use, hydraulic means is placed in groove 12; in the time of hydraulic means release, protection hydraulic means does not drop, and offers lightening hole 13 in groove 12; alleviate the weight of back-up block 1, facilitate installation and the movement of double-fed generator bearing disassembling device.Except the present embodiment, dismounting power part 2 can also be screw rod, correspondingly, the corresponding screwed hole coordinating with screw rod that is provided with on back-up block 1, by rotary screw, screw rod upwards produces thrust upwards to back-up block 1, thereby drives rod assembly 3 and ferrule assemblies 4 to realize the dismounting of bearing 5.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (8)
1. a double-fed generator bearing disassembling device, comprise back-up block (1), dismounting power part (2), rod assembly (3) and ferrule assemblies (4), it is characterized in that: described ferrule assemblies (4) comprises cutting ferrule securing member (42) and two cutting ferrules (41), two described cutting ferrules (41) can symmetry be set on the outer ring of described bearing (5), and by described cutting ferrule securing member (42) locking, described rod assembly (3) comprises pull bar (31) and extension rod (32), dismountable being fixedly connected with in one end of one end of described pull bar (31) and described extension rod (32), the other end of described pull bar (31) is connected with described cutting ferrule (41), the other end of described extension rod (32) is connected with described back-up block (1).
2. double-fed generator bearing disassembling device according to claim 1, is characterized in that: one end of described dismounting power part (2) is connected with described back-up block (1), and the other end is provided with top cylinder (7), on described top cylinder (7), offers breach (71).
3. double-fed generator bearing disassembling device according to claim 1 and 2, is characterized in that: described pull bar (31) is connected by attaching nut (33) with described extension rod (32).
4. double-fed generator bearing disassembling device according to claim 1 and 2, it is characterized in that: described cutting ferrule securing member (42) comprises fastening screw (421), clamp nut (422) and fastening gasket (423), it is upper that the two ends of described fastening screw (421) are located in respectively two described cutting ferrules (41), and respectively by described clamp nut (422) and fastening gasket (423) locking.
5. double-fed generator bearing disassembling device according to claim 1 and 2, it is characterized in that: described pull bar (31) is threaded with described cutting ferrule (41), described back-up block (1) is provided with U-lag (11), and described extension rod (32) is through described U-lag (11) fixing with described back-up block (1) by cushion block (34) and nut (35).
6. double-fed generator bearing disassembling device according to claim 1 and 2, is characterized in that: described extension rod (32) is provided with the flatter (321) for spanner dismounting.
7. double-fed generator bearing disassembling device according to claim 1 and 2, is characterized in that: described dismounting power part (2) is hydraulic means.
8. double-fed generator bearing disassembling device according to claim 6, is characterized in that: described back-up block (1) is provided with groove (12) with the junction of dismounting power part (2), offers lightening hole (13) in described groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414148.5U CN203956461U (en) | 2014-07-25 | 2014-07-25 | A kind of double-fed generator bearing disassembling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414148.5U CN203956461U (en) | 2014-07-25 | 2014-07-25 | A kind of double-fed generator bearing disassembling device |
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| Publication Number | Publication Date |
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| CN203956461U true CN203956461U (en) | 2014-11-26 |
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| CN201420414148.5U Active CN203956461U (en) | 2014-07-25 | 2014-07-25 | A kind of double-fed generator bearing disassembling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139068A (en) * | 2021-03-29 | 2022-10-04 | 宝山钢铁股份有限公司 | Large-scale nut dismouting device |
-
2014
- 2014-07-25 CN CN201420414148.5U patent/CN203956461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139068A (en) * | 2021-03-29 | 2022-10-04 | 宝山钢铁股份有限公司 | Large-scale nut dismouting device |
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| GR01 | Patent grant |