CN211565599U - Large-torque quick centering and locking device - Google Patents
Large-torque quick centering and locking device Download PDFInfo
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- CN211565599U CN211565599U CN201920829678.9U CN201920829678U CN211565599U CN 211565599 U CN211565599 U CN 211565599U CN 201920829678 U CN201920829678 U CN 201920829678U CN 211565599 U CN211565599 U CN 211565599U
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- centering
- locking
- locking device
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000013011 mating Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a large-torque quick centering and locking device, which comprises a first connecting shaft, a first fixing bolt, a locking shaft, a limiting bolt, a locking disc, a first centering flange, a second centering flange, a hydraulic locking device, a second fixing bolt, a second connecting shaft and a positioning shaft, wherein the first connecting shaft and the second connecting shaft are respectively connected with respective gear boxes, the first centering flange and the second centering flange are respectively arranged on the first connecting shaft and the second connecting shaft, the hydraulic locking device is fixed on the second centering flange, the locking disc is arranged on the first centering flange, the locking shaft is arranged on the hydraulic locking device and passes through the first centering flange and the locking disc, when the locking disc is in a locking position, pressure oil of the hydraulic locking device is cut off, at the moment, the locking shaft compresses the locking disc, so that the first centering flange and the second centering flange are compressed, and the quick installation is realized. The utility model discloses simple structure, the centering is efficient, and the reliability is high.
Description
Technical Field
The utility model belongs to the test apparatus field specifically relates to a quick centering locking device of big moment of torsion.
Background
The quick centering locking device is widely applied to the industrial field including test and test, has high centering precision, can greatly shorten the centering assembly debugging time, and improves the production efficiency. Traditionally, the centering is mainly realized by using a matching spigot, and the torque transmission is realized by compressing a joint surface by using a bolt group. Under the state of transmitting large torque, the specification of the used bolts is generally large, the number of the bolts is large, and the disassembly and assembly labor intensity is large, the consumed time is long, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large torque quick centering locking device, which adopts multiple centering, quick centering and high precision, in order to solve the disadvantages of the existing centering locking device mentioned above; the hydraulic locking device is adopted for locking, so that the hydraulic locking device is convenient and quick, the working strength of personnel is low, the pressing force is large, and large torque can be transmitted; simple structure, design benefit, centering is efficient, and the reliability is high.
In particular to a large-torque quick centering and locking device which comprises a first connecting shaft, a first fixing bolt, a locking shaft, a limiting bolt, a locking disc, a first centering flange, a second centering flange, a hydraulic locking device, a second fixing bolt, a second connecting shaft and a positioning shaft,
the first connecting shaft and the second connecting shaft are respectively connected with respective gear boxes, the first centering flange and the second centering flange are respectively arranged on the first connecting shaft and the second connecting shaft, the hydraulic locking device is fixed on the second centering flange, the locking disc is placed on the first centering flange,
the locking shaft is installed on the hydraulic locking device and penetrates through the first centering flange and the locking disc, when the locking disc is located at a locking position, pressure oil of the hydraulic locking device is cut off, at the moment, the locking shaft presses the locking disc, so that the first centering flange and the second centering flange are pressed, and quick installation is achieved.
Preferably, the positioning shaft is arranged on the second centering flange, and the positioning shaft and the locking shaft are matched with each other for positioning.
Preferably, the first centering flange and the second centering flange are mounted on the first connecting shaft and the second connecting shaft, respectively, by means of splines and bolts.
Preferably, the locking shaft end is provided with a 15-20 ° chamfer configured to facilitate insertion of the locking shaft into the front centering flange and the locking disc.
Preferably, the locking shaft end is provided with a 15 ° chamfer.
Preferably, the hydraulic locking device is provided with 8.
Preferably, 8 arc-shaped long holes and 4 limit bolts are formed in the locking disc, the arc-shaped long holes are used for installing a hydraulic locking device, the positions of the arc-shaped long holes correspond to the locking shaft, and the limit bolts are configured to ensure the relative positions of the locking disc and the first centering flange.
Preferably, the first centering flange is uniformly provided with 8 auxiliary centering holes and 1 central matching hole, and the 8 auxiliary centering holes are matched with the locking shaft.
Preferably, the end of the auxiliary centering hole is provided with a guide hole.
Compared with the prior art, the utility model discloses following beneficial effect has:
the quick centering locking device of the utility model adopts multiple centering, the centering is quick, and the precision is high; the hydraulic locking device is adopted for locking, so that the hydraulic locking device is convenient and quick, the working strength of personnel is low, the pressing force is large, and large torque can be transmitted; simple structure, design benefit, centering is efficient, and the reliability is high.
The utility model discloses can transmit big moment of torsion, can be used to the wind-powered electricity generation gear box test of power 8MW and above.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the locking plate of the present invention;
fig. 3 is a schematic structural view of a first centering flange of the present invention.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a quick centering locking device of big moment of torsion, as shown in fig. 1, the utility model discloses can realize the transmission of rotational speed and moment of torsion with the quick centering of the wind-powered electricity generation gear box low-speed axle and the locking of back to back installation. The locking device comprises a front connecting shaft 1, a front fixing bolt 2, a locking shaft 3, a limiting bolt 4, a locking disc 5, a front centering flange 6, a rear centering flange 7, a hydraulic locking device 8, a rear fixing bolt 9, a rear connecting shaft 10 and a positioning shaft 11.
The front connecting shaft and the rear connecting shaft are respectively connected with respective gear boxes, the front centering flange and the rear centering flange are respectively installed on the front connecting shaft and the rear connecting shaft through splines and bolts, the hydraulic locking device is fixed on the rear centering flange, and the locking disc is placed on the front centering flange. The locking shaft is mounted on the hydraulic locking device and penetrates through the front centering flange and the locking disc. When the locking disc is in a locking position, pressure oil of the hydraulic locking device is cut off, and the locking shaft presses the locking disc tightly, so that the front centering flange and the rear centering flange are pressed tightly, and quick installation is realized; the positioning shaft is arranged on the rear centering flange and is matched with the front centering flange hole, so that the centering precision is ensured.
The utility model can realize multiple centering and positioning, has high centering precision, and can meet the centering requirement of precision transmission; the locking part adopts a plurality of hydraulic locking devices for locking, the pressing force is large, and the requirement of a large-torque test is met; convenient to use is swift, very big reduction testing personnel's intensity of labour, shortened the change time of being tried the gear box by a wide margin, improved efficiency.
As shown in fig. 1, when centering and locking, pressure oil is introduced into the hydraulic locking device, and the locking shaft passes through the front centering flange and the locking disk. The locking shaft end is designed with a 15-degree chamfer, so that the locking shaft can be conveniently inserted into the front centering flange and the locking disc, the front centering flange and the rear centering flange are roughly guided and centered through the locking shaft, and then the positioning shaft is inserted into the front centering flange to complete centering. Then the locking disc is rotated to a locking position, pressure oil of the hydraulic locking device is cut off, and the locking shaft presses the locking disc tightly, so that the front centering flange and the rear centering flange are pressed tightly, and high-precision rapid centering and large-torque and rotating speed transmission are realized. During the dismantlement, insert pressure oil to hydraulic pressure locking device, rotatory to the unclamping position with the locking dish, can be with preceding centering flange and back centering flange quickly separating, accomplish the change of gear box. The centering part adopts multiple guiding and centering of a locking shaft and a positioning shaft, the centering is convenient and fast, the precision is high, and the centering requirement of precision transmission can be met; the locking part adopts 8 hydraulic locking devices to lock, the pressing force is large, the requirement of a large-torque test is met, the use is convenient and fast, the labor intensity of testers is greatly reduced, the replacement time of the tested gear box is greatly shortened, and the efficiency is improved.
As shown in fig. 2, the locking disk 5 is designed with 8 arc-shaped long holes 51 and 4 limit bolts 52. The arc-shaped long hole 51 corresponds to the locking shaft, is not easy to loosen and guarantees reliable compression, the limiting bolt 52 guarantees the relative position of the locking disc and the front centering flange, the locking and the loosening are convenient and fast, the mounting efficiency is improved, and the reliability is high.
As shown in fig. 3, the front centering flange 6 is provided with 8 uniformly distributed auxiliary centering holes 61 and 1 central matching hole 62, the 8 auxiliary centering holes are matched with the locking shaft, and the end part of each hole is provided with a guide hole which can assist in quick centering; the auxiliary centering hole at the position 8 and the central matching hole act together, so that centering is fast and high in precision.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a quick centering locking device of big moment of torsion which characterized in that: which comprises a first connecting shaft, a first fixing bolt, a locking shaft, a limiting bolt, a locking disc, a first centering flange, a second centering flange, a hydraulic locking device, a second fixing bolt, a second connecting shaft and a positioning shaft,
the first connecting shaft and the second connecting shaft are respectively connected with respective gear boxes, the first centering flange and the second centering flange are respectively arranged on the first connecting shaft and the second connecting shaft, the hydraulic locking device is fixed on the second centering flange, the locking disc is placed on the first centering flange,
the locking shaft is installed on the hydraulic locking device and penetrates through the first centering flange and the locking disc, when the locking disc is located at a locking position, pressure oil of the hydraulic locking device is cut off, at the moment, the locking shaft presses the locking disc, so that the first centering flange and the second centering flange are pressed, and quick installation is achieved.
2. The high torque quick centering locking device of claim 1, wherein: the positioning shaft is arranged on the second centering flange and is matched with the locking shaft for positioning.
3. The high torque quick centering locking device of claim 1, wherein: the first centering flange and the second centering flange are respectively arranged on the first connecting shaft and the second connecting shaft through splines and bolts.
4. The high torque quick centering locking device of claim 1, wherein: the locking shaft end is provided with a chamfer of 15-20 degrees, and the chamfer is configured to facilitate the locking shaft to be inserted into the front centering flange and the locking disc.
5. The high torque quick centering locking device of claim 4, wherein: and a 15-degree chamfer is arranged at the end of the locking shaft.
6. The high torque quick centering locking device of claim 1, wherein: the hydraulic locking device is provided with 8.
7. The high torque quick centering locking device of claim 6, wherein: the locking device is characterized in that 8 arc-shaped long holes and 4 limiting bolts are formed in the locking disc, the arc-shaped long holes are used for installing a hydraulic locking device, the positions of the arc-shaped long holes correspond to the locking shaft, and the limiting bolts are configured to ensure the relative positions of the locking disc and the first centering flange.
8. The high torque quick centering locking device of claim 7, wherein: the flange evenly is provided with 8 supplementary centering holes and 1 central mating hole in first centering, and 8 supplementary centering holes and locking shaft are mutually supported.
9. The high torque quick centering locking device of claim 8, wherein: and a guide hole is formed in the end part of the auxiliary centering hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829678.9U CN211565599U (en) | 2019-06-03 | 2019-06-03 | Large-torque quick centering and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829678.9U CN211565599U (en) | 2019-06-03 | 2019-06-03 | Large-torque quick centering and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211565599U true CN211565599U (en) | 2020-09-25 |
Family
ID=72523732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920829678.9U Expired - Fee Related CN211565599U (en) | 2019-06-03 | 2019-06-03 | Large-torque quick centering and locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211565599U (en) |
-
2019
- 2019-06-03 CN CN201920829678.9U patent/CN211565599U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |