CN216328116U - Shafting centering test bench with linkage device - Google Patents
Shafting centering test bench with linkage device Download PDFInfo
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- CN216328116U CN216328116U CN202122799484.9U CN202122799484U CN216328116U CN 216328116 U CN216328116 U CN 216328116U CN 202122799484 U CN202122799484 U CN 202122799484U CN 216328116 U CN216328116 U CN 216328116U
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- centering
- test bed
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Abstract
The utility model discloses a shafting centering test bed with a linkage device, which comprises a plurality of lifting centering devices and a test bed base; a plurality of lifting centering devices are uniformly distributed on two sides of the bottom of the test bed base seat; a rotating bolt is arranged in the lifting centering device, the rotating bolt is a driving shaft of the lifting centering device, and a nut is connected to the rotating bolt in a threaded manner; the nut is fixedly connected with one end of a short connecting rod, the other end of the short connecting rod on the same side of the test bed base is hinged with the same long connecting rod through a hinge bolt, and the distances between two ends of adjacent short connecting rods are the same. Can reduce the required workman's number among the traditional centering process under the prerequisite of guaranteeing the centering effect, simplify the adjustment process.
Description
Technical Field
The utility model belongs to the field of test beds, and relates to a shafting centering test bed frame with a linkage device.
Background
The test bed system has important significance in the research and test process of equipment such as aeroengines, ground gas turbines, marine gas turbines and the like, and the test bed is particularly important as the basis of the test bed system. In order to ensure the stable operation of the test engine, shafting alignment needs to be carried out on the test engine and a load system before the test. The good shafting pair will directly influence the research and development progress of the equipment and the accuracy of the test data, and can also prolong the service life of the test bed and the equipment.
The shafting of test bench is centering adopts the method of installing percentage table at shaft coupling both ends generally, through the barring, obtains the relative deviation between axle and the axle, and platform height and position through artifical adjustment equipment side or generator side reduce the deviation to improve the centering level of axle and axle.
The traditional adjustment needs a person to manually lift the base of the test bed by using a jack, and then the height of each supporting part is changed by increasing or reducing the number of the gaskets, so that the horizontal position and the inclination of the platform are adjusted, and the purpose of adjusting the axis of the equipment is achieved. Adjustment requires the cooperation of multiple experienced workers, is time and labor consuming, and cannot be continuously adjustable due to the limited size of the spacer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a shafting centering test bed with a linkage device, which can reduce the number of workers required in the traditional centering process and simplify the adjustment process on the premise of ensuring the centering effect.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a shafting centering test bed with a linkage device comprises a plurality of lifting centering devices and a test bed base;
a plurality of lifting centering devices are uniformly distributed on two sides of the bottom of the test bed base seat; a rotating bolt is arranged in the lifting centering device, the rotating bolt is a driving shaft of the lifting centering device, and a nut is connected to the rotating bolt in a threaded manner;
the nut is fixedly connected with one end of a short connecting rod, the other end of the short connecting rod on the same side of the test bed base is hinged with the same long connecting rod through a hinge bolt, and the distances between two ends of adjacent short connecting rods are the same.
Preferably, a support is arranged at the bottom of each lifting centering device.
Further, the lower surface of the lifting centering device is fixed with the support through a bolt.
Preferably, the lifting centering device comprises a nut, an extrusion block, a lifting block, a fixed block and a rotating bolt;
the rotary bolt is sequentially provided with a nut, an extrusion block, a lifting block and a fixed block, the fixed block is fixedly connected with the rotary bolt, the nut is in threaded fit with the rotary bolt, the two surfaces of the fixed block in the radial direction of the rotary bolt are top and bottom surfaces, the top surface of the fixed block is an inclined surface, the bottom surface of the lifting block is in sliding connection with the top surface of the fixed block, and the end part of the lifting block is attached to the extrusion block.
Furthermore, the top and bottom surfaces of the fixed block are inclined planes, and the two lifting blocks are respectively connected with the top and bottom surfaces of the fixed block in a sliding manner.
Furthermore, a boss guide rail is arranged on the bottom surface of the lifting block, a groove is formed in the top surface of the fixing block, and the boss guide rail is located in the groove.
Furthermore, the bottom surface of the lifting block is an inclined surface.
Furthermore, a lug is arranged at one end, in contact with the extrusion block, of the lifting block, a through groove is formed in one side, in contact with the lifting block, of the extrusion block, the lug is located in the through groove, and the sliding direction of the lug and the through groove is the radial direction of the rotating bolt.
Still further, the lug and the through groove adopt dovetail tenon structures.
Furthermore, an axial through hole is formed in the extrusion block, the rotating bolt penetrates through the through hole of the extrusion block, and the rotating bolt is arranged in a gap with the inner wall of the through hole.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the height of the lifting centering device is adjusted by rotating the rotating bolt of the lifting centering device, and the lifting centering devices on the same side can be adjusted to synchronously lift through the long connecting rod, so that the lifting centering devices on the same side are lifted or lowered, the relative height and relative angle of the test bed base are changed, and centering adjustment is realized; after the nut is taken down, the adjustment of a single lifting centering device can be realized. Can reduce the required workman's number among the traditional centering process under the prerequisite of guaranteeing the centering effect, simplify the adjustment process.
Further, through swivel nut, can extrude extrusion piece and elevator, make the elevator prolong the inclined plane of fixed block and reciprocate to the elevator is axial motionless, and the fixed block replaces the elevator to carry out axial displacement, thereby can reduce the required workman number of traditional test bench system shafting centering in-process, simplifies the adjustment process, need not to prepare consumptive materials such as gasket. The shafting centering efficiency of the test bed system can be effectively improved, a reliable centering environment is provided for long-term stable operation of the test bed system, the cost of the test bed is reduced, and the test bed system can be widely applied to the development and test processes of equipment such as an aircraft engine, a ground gas turbine, a marine gas turbine and the like.
Further, the radial moving distance of the device can be increased by arranging the two lifting blocks.
Furthermore, the boss guide rail of the lifting block is matched with the groove of the fixing block, so that the fixing block can only move along the boss guide rail on the lifting block, and the fixing block is ensured not to deviate.
Furthermore, the lug of elevator is located the extrusion piece and leads to the groove, can reciprocate in leading to the groove, realizes the spacing of elevator.
Drawings
FIG. 1 is a front view of the test rig of the present invention in its entirety;
FIG. 2 is a top view of the test rig of the present invention in its entirety;
fig. 3 is a schematic structural view of the lifting centering device of the present invention.
Wherein: 1-supporting; 2-lifting centering device; 3-a test bed base; 4-a nut; 5-short connecting rod; 6-long connecting rod; 7-a hinge bolt; 8-extruding the block; 9-a lifting block; 10-fixing blocks; 11-turn the bolt.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the shafting centering test bench of the linkage device of the present invention comprises a plurality of lifting centering devices 2, a plurality of supports 1 and a test bench base 3.
The plurality of lifting centering devices 2 are uniformly distributed on the test bed base 3 and located on two sides of the bottom, and 6 lifting centering devices 2 are adopted in the embodiment; be provided with in the lift centering device 2 and rotate bolt 11, rotate bolt 11 and be the drive shaft of lift centering device 2, rotate bolt 11 and go up threaded connection and have nut 4, rotate bolt 11 and adopt hexagon bolt in this embodiment.
Rotating the rotating bolt 11 clockwise, the lifting centering device 2 will raise the height, rotating the rotating bolt 11 counterclockwise, and the lifting centering device 2 will lower the height. And vice versa.
The nut 4 is fixedly connected with one end of a short connecting rod 5, the other end of the short connecting rod 5 on the same side of the test bed base 3 is hinged with the same long connecting rod 6 through a hinge bolt 7, and the distance between two ends of adjacent short connecting rods 5 is the same.
The multiple lifting centering devices 2 on the same side can be adjusted to lift synchronously through the long connecting rod 6; the nut 4 can be removed from the lifting centring device 2, and after removal of the nut 4, adjustment of a single lifting centring device 2 can be achieved.
The bottom of each lifting centering device 2 is provided with a support 1, and the lower surface of each lifting centering device 2 is fixed with the support 1 through a bolt.
As shown in fig. 3, the lifting centering device 2 includes a nut 4, a pressing block 8, a lifting block 9, a fixing block 10 and a rotating bolt 11.
The nut 4, the extrusion block 8, the lifting block 9 and the fixing block 10 are sequentially arranged on the rotating bolt 11, the end portion of the fixing block 10 is fixedly connected with one end of the rotating bolt 11, the nut 4 is a hexagonal nut 4, and the nut 4 is in threaded fit with the rotating bolt 11.
The extrusion block 8 is made of a square metal block, an axial through hole is formed in the extrusion block 8, the rotating bolt 11 penetrates through the through hole of the extrusion block 8, and the rotating bolt 11 and the inner wall of the through hole are arranged in a clearance mode.
Fixed block 10 is along rotating 11 radial direction's of bolt two sides for the top bottom surface, and fixed block 10 top bottom surface is the inclined plane, and elevator 9 and fixed block 10 all adopt the metal block, and two from top to bottom elevator 9 have, and two elevator 9 respectively with fixed block 10 top bottom surface sliding connection cooperation, two elevator 9 and fixed block 10's contact surface are the inclined plane equally, behind two elevator 9 laminating fixed block 10, holistic top surface and bottom surface are parallel with the horizontal plane.
The contact surfaces of the two lifting blocks 9 and the fixed block 10 are provided with boss guide rails, the top surface of the fixed block 10 is provided with a groove, and the boss guide rails are located in the groove, so that the fixed block 10 can only move along the boss guide rails on the lifting blocks 9, and the fixed block 10 is ensured not to deviate.
The one end of elevator 9 and the contact of extrusion piece 8 is provided with the lug, and one side of extrusion piece 8 and the contact of elevator 9 is provided with logical groove, and the lug is located logical groove, and lug and logical groove slip direction are for rotating the 11 radial directions of bolt, and the lug adopts the forked tail tenon structure with leading to the groove, makes two elevator 9 move the in-process at fixed block 10, can reciprocate thereupon to change the height of lift centering device 2.
The test equipment is arranged on the test bed base 3, after the test equipment shafting is connected with the load device, after the eccentric values of the test equipment shafting and the load device shafting are obtained in a dial indicator measuring mode, the long connecting rod 6 is pushed to move forwards and backwards, and therefore the rotating bolt 11 of the linked lifting centering device 2 is driven to rotate clockwise or anticlockwise, the lifting centering device 2 on the same side is made to rise or fall, the relative height and the relative angle of the test bed base 3 are changed, and centering adjustment is achieved. When all the lifting centering devices 2 on the same side do not need to be adjusted, the nut 4 can be taken down, and only a single lifting centering device 2 is adjusted. Therefore, the centering of the test bed system can be conveniently and quickly adjusted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (10)
1. A shafting centering test bed with a linkage device is characterized by comprising a plurality of lifting centering devices (2) and a test bed base (3);
a plurality of lifting centering devices (2) are uniformly distributed on the test bed base (3) and are positioned on two sides of the bottom; a rotating bolt (11) is arranged in the lifting centering device (2), the rotating bolt (11) is a driving shaft of the lifting centering device (2), and a nut (4) is connected to the rotating bolt (11) in a threaded manner;
the nut (4) is fixedly connected with one end of a short connecting rod (5), the other end of the short connecting rod (5) on the same side of the test bed base (3) is hinged with the same long connecting rod (6) through a hinge bolt (7), and the distance between two ends of adjacent short connecting rods (5) is the same.
2. A shafting centering test bench for linkage according to claim 1, wherein a support (1) is provided at the bottom of each lifting centering device (2).
3. The shafting centering test bed of the linkage device according to claim 2, wherein the lower surface of the lifting centering device (2) is fixed with the support (1) through bolts.
4. The shafting centering test bed of the linkage device according to claim 1, wherein the lifting centering device (2) comprises a nut (4), an extrusion block (8), a lifting block (9), a fixed block (10) and a rotating bolt (11);
the screw bolt-rotating type lifting device is characterized in that a nut (4), an extrusion block (8), a lifting block (9) and a fixed block (10) are sequentially arranged on a rotating bolt (11), the fixed block (10) is fixedly connected with the rotating bolt (11), the nut (4) is in threaded fit with the rotating bolt (11), the two surfaces of the fixed block (10) in the radial direction of the rotating bolt (11) are top and bottom surfaces, the top surface of the fixed block (10) is an inclined surface, the bottom surface of the lifting block (9) is in sliding connection with the top surface of the fixed block (10), and the end part of the lifting block (9) is attached to the extrusion block (8).
5. The shafting centering test bed of the linkage device according to claim 4, wherein the top and bottom surfaces of the fixed block (10) are both inclined surfaces, and the two lifting blocks (9) are respectively connected with the top and bottom surfaces of the fixed block (10) in a sliding manner.
6. The shafting centering test bed of the linkage device according to claim 4, wherein the bottom surface of the lifting block (9) is provided with a boss guide rail, the top surface of the fixed block (10) is provided with a groove, and the boss guide rail is positioned in the groove.
7. A shafting centering test bench for a linkage device according to claim 4, wherein the bottom surface of the lifting block (9) is a slope.
8. A shafting centering test bed of a linkage device according to claim 4, wherein one end of the lifting block (9) contacting with the extrusion block (8) is provided with a convex block, one side of the extrusion block (8) contacting with the lifting block (9) is provided with a through groove, the convex block is positioned in the through groove, and the sliding directions of the convex block and the through groove are the radial directions of the rotating bolt (11).
9. A shafting centering test bed for a linkage according to claim 8, wherein the boss and the through slot are of dovetail structure.
10. The shafting centering test bed of the linkage device according to claim 4, wherein the extrusion block (8) is provided with an axial through hole, the rotating bolt (11) penetrates through the through hole of the extrusion block (8), and the rotating bolt (11) is arranged in a clearance with the inner wall of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799484.9U CN216328116U (en) | 2021-11-15 | 2021-11-15 | Shafting centering test bench with linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799484.9U CN216328116U (en) | 2021-11-15 | 2021-11-15 | Shafting centering test bench with linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216328116U true CN216328116U (en) | 2022-04-19 |
Family
ID=81148418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122799484.9U Active CN216328116U (en) | 2021-11-15 | 2021-11-15 | Shafting centering test bench with linkage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216328116U (en) |
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2021
- 2021-11-15 CN CN202122799484.9U patent/CN216328116U/en active Active
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