CN211346670U - Measuring tool for coaxiality - Google Patents
Measuring tool for coaxiality Download PDFInfo
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- CN211346670U CN211346670U CN202020253255.XU CN202020253255U CN211346670U CN 211346670 U CN211346670 U CN 211346670U CN 202020253255 U CN202020253255 U CN 202020253255U CN 211346670 U CN211346670 U CN 211346670U
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Abstract
The utility model relates to an auxiliary shaft spare rigging equipment field, concretely relates to measuring tool for axiality. The multifunctional endoscope comprises a chain sleeved on a shaft, wherein two ends of the chain are connected through a chain tensioner, a supporting rod parallel to the shaft is fixed on one side of the chain tensioner, a long groove parallel to the supporting rod is formed in the supporting rod, a sliding block is arranged in the long groove in a sliding mode, a dial indicator is fixed on the sliding block, a pointer of the dial indicator points to the outer side of the shaft, and a WiFi endoscope is arranged on one side of the dial indicator. The utility model discloses, simple to operate in the narrow and small space in axle and shaft hole, it is fixed firm, rigidity is strong, is difficult to take place elastic deformation, and the commonality is strong, can be suitable for and install on the axle of different diameters, and the reading is convenient, can remotely realize the reading.
Description
Technical Field
The utility model relates to an auxiliary shaft spare rigging equipment field, concretely relates to measuring tool for axiality.
Background
During the installation, manufacture, overhaul and verification of equipment of a rotary machine, the problem of coaxiality measurement is often encountered: such as the measurement and adjustment of the center of a hollow cavity of a steam turbine separator, the measurement and adjustment of the center of a bearing hollow cavity, the measurement and adjustment of the coaxiality of a speed reducer and a transmission mechanical bearing box hole, the measurement and positioning of a sealing ring and a sealing oil baffle of a pump and the like are indispensable important parameters. Inaccurate adjustment of the dynamic and static positions can cause dynamic and static friction, increased alternating stress, increased vibration, leakage and other faults threatening safety, economy and stability. The conventional measuring tool has the following disadvantages: 1. the universality is poor, the sizes are different, special tools need to be manufactured, and the labor is repeated. 2. The size is large, and the device cannot be installed and used in a narrow and limited space. 3. The fixation is not firm and the falling is easy. 4. The rigidity is poor, elastic deformation is easy to occur, the reference moving position is easy to change, and the measurement error is large. 5. In a narrow space, a wrench or a screwdriver cannot enter, so that the fixing is not firm. 6. When using indirect auxiliary measuring tools, accumulated errors are easily generated. 7. The change trend of the meter can not be observed, when the dial indicator contacts with a rugged surface, the meter is not easy to be found when jumping, and the large deviation between the meter and an actual numerical value is easily caused. 8. In narrow and small space, the reading of the watch hand cannot be observed clearly or cannot be observed, and when the reading is carried out by the reflector, the numerical value indicated by the meter is easy to read incorrectly. 9. Data remote transmission cannot be realized, and original shooting recording cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple to operate, the commonality is strong, can be applicable to the axle piece of different diameters, and is fixed firm, and rigidity is strong, is difficult to take place elastic deformation, and the reading is convenient, but the measuring tool for the axiality of remote realization reading.
In order to realize the purpose, the utility model provides a technical scheme is:
a measuring tool for coaxiality comprises a chain sleeved on a shaft, two ends of the chain are connected through a chain tensioner, one side of the chain tensioner is fixedly provided with a support rod parallel to the shaft, a long groove parallel to the support rod is formed in the support rod, a sliding block is arranged in the long groove in a sliding mode, a second bolt concentric with the support rod is connected to the support rod in a threaded mode, one end of the second bolt extends into the long groove and is connected with one end of the sliding block in a rotating mode, a dial indicator is installed on the sliding block, a pointer of the dial indicator points to the outer side of the shaft, a WiFi endoscope is arranged on one side of the dial indicator and comprises a camera, a cable and an image processing and transmitting assembly, the camera is fixed on a support plate, the support plate is fixed on the sliding block on one side of the dial indicator, the camera faces towards a dial plate of the dial indicator, two symmetrically arranged, the image processing transmission assembly is electrically connected with the camera through a cable.
The chain tensioner comprises a connecting block, a fixing plate is fixed on one side of the connecting block, a first bolt is rotatably connected onto the fixing plate, a hinge block is connected onto the first bolt in a threaded mode, the hinge block is hinged to one end of a chain, an ear seat is fixed at the other end of the connecting block and hinged to the other end of the chain, two symmetrically-arranged inclined planes are machined on the end face of the connecting block, facing the outer edge of the shaft, and one end, opposite to the two inclined planes, inclines towards the outer side of the shaft.
Specifically, the inclined planes are all provided with grooves, rubber blocks are fixed in the grooves, and the rubber blocks partially protrude out of the inclined planes.
Specifically, the camera is provided with an illuminating lamp.
Specifically, a fixed block is fixed on a shell of the dial indicator, a polished rod is fixed on a sliding block and is perpendicular to the shaft piece, the polished rod penetrates through the fixed block and is in sliding fit with the fixed block, and a locking screw tightly abutting against the polished rod is in threaded connection with the fixed block.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, simple structure, convenient operation, simple to operate in the narrow and small space in axle and shaft hole, it is fixed firm, rigidity is strong, is difficult to take place elastic deformation, and the commonality is strong, can be suitable for installing on the axle of different diameters, and the reading is convenient, can remotely realize the reading.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
Figure 2 is a side view of the connector block.
Fig. 3 is an enlarged view of the area a in fig. 1.
Detailed Description
As shown in fig. 1-3, a measuring tool for coaxiality comprises a chain 1 sleeved on a shaft 19, two ends of the chain 1 are connected through a chain tensioner, a support rod 8 parallel to the shaft 19 is fixed on one side of the chain tensioner, a long groove 9 parallel to the support rod 8 is formed in the support rod 8, a sliding block 10 is arranged in the long groove 9 in a sliding mode, a second bolt 11 concentric with the support rod 8 is connected to the support rod 8 through threads, one end of the second bolt 11 extends into the long groove 9 and is rotatably connected with one end of the sliding block 10, a dial indicator 12 is installed on the sliding block 10, a fixed block 20 is fixed on a shell of the dial indicator 12, a polished rod 21 is fixed on the sliding block 10, the polished rod 21 is perpendicular to the shaft 19, the polished rod 21 penetrates through the fixed block 20 and is in sliding fit with the fixed block 20, a locking screw 22 tightly abutting against the polished rod 21 is connected to the fixed block 20 through threads, a, the WiFi endoscope comprises a camera 14, a cable 16 and an image processing and transmitting assembly 15, the camera 14 is fixed on a support plate 13, the support plate 13 is fixed on a sliding block 10 on one side of a dial indicator 12, the camera 14 faces towards the dial plate of the dial indicator 12, two symmetrically-arranged buckles 7 are fixed on a chain tensioner, the image processing and transmitting assembly 15 is fixed on the chain tensioner through the buckles 7, the image processing and transmitting assembly 15 is electrically connected with the camera 14 through the cable 16, and a lighting lamp is installed on the camera 14.
Chain tensioning ware includes connecting block 2, and one side of connecting block 2 is fixed with fixed plate 3, and it is connected with first bolt 4 to rotate on the fixed plate 3, and threaded connection has articulated piece 5 on first bolt 4, and articulated piece 5 is connected with the one end hinge of chain 1, is fixed with ear seat 6 on the 2 other ends of connecting block, and ear seat 6 is connected with the other end hinge of chain 1, and processing has the inclined plane 18 that two symmetries set up on the terminal surface of connecting block 2 orientation 19 outer fringe of axle, and the relative one end in two inclined planes 18 inclines to axle 19 outside direction, all set up flutedly on the inclined plane 18, all be fixed with block rubber 17 in the recess, the partial outstanding inclined plane 18 of block rubber 17.
The utility model discloses during the use, establish 1 cover of chain on axle 19, then twist and move first bolt 4, 1 both ends of chain are close to each other, 1 hoops tightly of chain and fixes on axle 19, then twist and move second bolt 11 and make slider 10 slide in elongated slot 9, and then can make the gauge needle of percentage table 12 and the pore wall contact in shaft hole, then carry out the pointer zero setting operation with percentage table 12, when there is the clearance between the gauge needle of percentage table 12 and the pore wall in shaft hole, can twist and move second bolt 11, make slider 10 drive percentage table 12 and remove to the shaft hole outside, then not hard up locking screw 22 adjusts the position of percentage table 12, percentage table 12 can remove the outside in shaft hole, consequently, the convenient position to percentage table 12 is adjusted.
Pass through wiFi signal connection image processing transmission subassembly 15 with the cell-phone, in the measurement process, camera 14 gathers the image information of percentage table 12 table needle, then passes through wiFi signal transmission to the cell-phone after the processing through image processing transmission subassembly 15, and survey crew accessible cell-phone real-time supervision percentage table 12 reading is convenient to carry out record and evaluation to the axiality of shaft 19 and shaft hole.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A measuring tool for coaxiality comprises a chain (1) sleeved on a shaft piece (19), and is characterized in that two ends of the chain (1) are connected through a chain tensioner, a supporting rod (8) parallel to the shaft piece (19) is fixed on one side of the chain tensioner, a long groove (9) parallel to the supporting rod is formed in the supporting rod (8), a sliding block (10) is arranged in the long groove (9) in a sliding mode, a second bolt (11) concentric with the supporting rod is connected to the supporting rod (8) in a threaded mode, one end of the second bolt (11) extends into the long groove (9) and is connected with one end of the sliding block (10) in a rotating mode, a dial indicator (12) is installed on the sliding block (10), a pointer of the dial indicator (12) points to the outer side of the shaft piece (19), a WiFi endoscope is arranged on one side of the dial indicator (12), and comprises a camera (14), a cable (16, the camera (14) is fixed on the support plate (13), the support plate (13) is fixed on the slider (10) on one side of the dial indicator (12), the camera (14) faces towards the dial plate of the dial indicator (12), two symmetrically-arranged buckles (7) are fixed on the chain tensioner, the image processing and transmitting assembly (15) is fixed on the chain tensioner through the buckles (7), and the image processing and transmitting assembly (15) is electrically connected with the camera (14) through a cable (16).
2. The measuring tool for coaxiality is characterized in that the chain tensioner comprises a connecting block (2), a fixing plate (3) is fixed on one side of the connecting block (2), a first bolt (4) is rotatably connected to the fixing plate (3), a hinge block (5) is in threaded connection with the first bolt (4), the hinge block (5) is hinged to one end of the chain (1), an ear seat (6) is fixed to the other end of the connecting block (2), the ear seat (6) is hinged to the other end of the chain (1), two symmetrically-arranged inclined planes (18) are machined on the end face, facing the outer edge of the shaft (19), of the connecting block (2), and one end, opposite to the two inclined planes (18), inclines towards the outer side direction of the shaft (19).
3. The tool for measuring coaxiality according to claim 2, wherein the inclined surfaces (18) are each provided with a groove, a rubber block (17) is fixed in each groove, and part of the rubber block (17) protrudes out of the inclined surfaces (18).
4. The tool for measuring coaxiality according to claim 1, wherein an illumination lamp is mounted on the camera (14).
5. The coaxiality measuring tool according to claim 1, wherein a fixed block (20) is fixed to a housing of the dial indicator (12), a polished rod (21) is fixed to the slider (10), the polished rod (21) is perpendicular to the shaft member (19), the polished rod (21) penetrates through the fixed block (20) and is in sliding fit with the fixed block, and a locking screw (22) which is tightly abutted to the polished rod (21) is in threaded connection with the fixed block (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020253255.XU CN211346670U (en) | 2020-03-04 | 2020-03-04 | Measuring tool for coaxiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020253255.XU CN211346670U (en) | 2020-03-04 | 2020-03-04 | Measuring tool for coaxiality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211346670U true CN211346670U (en) | 2020-08-25 |
Family
ID=72101742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020253255.XU Active CN211346670U (en) | 2020-03-04 | 2020-03-04 | Measuring tool for coaxiality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211346670U (en) |
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2020
- 2020-03-04 CN CN202020253255.XU patent/CN211346670U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 457000 Guoneng Puyang Thermal Power Co., Ltd., Shihua Road, Puyang City, Henan Province Patentee after: Guoneng Puyang Thermal Power Co.,Ltd. Address before: 457000 Shihua West Road, Hualong District, Puyang City, Henan Province Patentee before: Guodian Puyang Thermal Power Co.,Ltd. |