CN214308561U

CN214308561U - Shafting centering device

Info

Publication number: CN214308561U
Application number: CN202023215919.2U
Authority: CN
Inventors: 刘瑞锋; 刘圣超; 邓润波; 廖军; 支新新
Original assignee: Wuchang Shipbuilding Industry Group Co Ltd
Current assignee: Wuchang Shipbuilding Industry Group Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an axis centering device, which comprises a fixing mechanism, a fixing piece, a measuring device fixing frame and a measuring device; the fixing mechanism is arranged on one shaft section of the shaft system to be centered and comprises an upper clamp and a lower clamp, the upper clamp and the lower clamp are both arc-shaped pipe pieces, and at least one butt joint end of the upper clamp and at least one butt joint end of the lower clamp are connected through the fixing piece, so that the upper clamp and the lower clamp are in butt joint to form a circular hoop sleeve; the measuring device fixing frame is arranged on the fixing mechanism, and the measuring device is arranged on the fixing mechanism through the measuring device fixing frame, so that the measuring device is in contact with the shafting. The utility model provides a shafting centering device, simple structure, the installation adjustment is convenient, and deviant and/or the tortuous value of measurable quantity shafting centering are favorable to improving shaft section centering efficiency, the centering work of mainly used shafting system.

Description

Shafting centering device

Technical Field

The utility model relates to a shafting centering mechanical device technical field, concretely relates to shafting centering device.

Background

The shafting centering of boats and ships concerns the installation accuracy of shafting, and flange face installation shafting centering table frame is utilized when its centering of flange joint's shaft section at present, carries out shafting centering measurement. For the shaft sections without flange connection such as hydraulic coupling connection, special centering devices need to be designed for centering work, the universality is not high, the shaft sections are mostly of complex structures, and the operation is inconvenient.

Disclosure of Invention

To prior art not enough, for solving above-mentioned technical problem, realize the utility model aims at, the utility model provides an shafting centering device, include: the device comprises a fixing mechanism, a fixing piece, a measuring device fixing frame and a measuring device; the fixing mechanism is arranged on one shaft section of the shaft system to be centered and comprises an upper clamp and a lower clamp, the upper clamp and the lower clamp are both arc-shaped pipe pieces, and at least one butt joint end of the upper clamp and at least one butt joint end of the lower clamp are connected through the fixing piece, so that the upper clamp and the lower clamp are in butt joint to form a circular hoop sleeve; the measuring device fixing frame is arranged on the fixing mechanism, and the measuring device is arranged on the fixing mechanism through the measuring device fixing frame, so that the measuring device is in contact with the shafting.

Further, go up the clamp with the butt joint of clamp has seted up the butt joint hole down on holding, the mounting passes the butt joint hole is in order to fix go up the clamp with lower clamp.

Further, the butt joint hole includes round hole and connecting hole, the round hole with the connecting hole sets up respectively go up the clamp with on the clamp down, the mounting passes the round hole, with the connecting hole cooperation is fixed.

Further, the round hole is a step hole, and the connecting hole comprises a threaded hole section and a smooth hole section.

Furthermore, the measuring device fixing frame is at least one support which is arranged on the circular surface of the fixing mechanism and is parallel to the direction of the axis center line, and at least one measuring device is arranged on a single support.

Further, the measuring device mount includes two supports of table frame and lower frame, it sets up to go up the table frame go up on the clamp, the table frame sets up down on the clamp, just go up the table frame with the lower frame is located the both ends of circular hoop cover diameter respectively, go up the table frame with go up clamp fixed connection, the lower frame in clamp fixed connection down.

Further, go up the clamp with the clamp is the semicircle loop structure down, it sets up to go up the table frame go up the last quadrant point of clamp, the table frame is put down the lower quadrant point of clamp.

Further, go up the rack welded mounting go up the upper quadrant point of clamp, lower rack welded mounting be in the lower quadrant point of lower clamp.

Furthermore, at least one mounting hole is formed in the measuring device fixing frame along the axial direction, and the measuring device penetrates through the mounting hole and is arranged on the measuring device fixing frame.

Furthermore, the shafting centering device further comprises a fastening piece, a threaded hole is formed in the side face of the mounting hole of the measuring device fixing frame, and the fastening piece penetrates through the threaded hole to fix the measuring device.

According to the above technical scheme, the utility model provides a shafting centering device, include: the device comprises a fixing mechanism, a fixing piece, a measuring device fixing frame and a measuring device; the fixing mechanism is used for being arranged on one shaft section of a shaft system to be centered, the fixing mechanism comprises an upper clamp and a lower clamp, the upper clamp and the lower clamp are both arc-shaped pipe pieces, at least one butt joint end of the upper clamp and at least one butt joint end of the lower clamp are connected through a fixing piece, so that the upper clamp and the lower clamp can be spliced into a complete circular hoop sleeve, such as one fourth of the upper clamp and three quarters of the lower clamp, and such as one half of the arc of the upper clamp and the lower clamp, the butt joint ends of the upper clamp and the lower clamp are connected through the fixing piece, and the diameter of the spliced hoop sleeve is matched with the shaft diameter of the shaft section so as to be sleeved on the shaft system to realize fixation; the measuring device fixing frame is arranged on the fixing mechanism, and the measuring device is arranged on the fixing mechanism through the measuring device fixing frame, so that the measuring device is in contact with the shafting to measure the shafting centering parameters. Through a calculation formula, the deviant in the shaft section alignment can be measured by only rotating the shaft section for a half turn, and the deviant and/or the tortuosity in the shaft system alignment can be measured by rotating the shaft section for a half turn, so that the shaft section alignment efficiency is improved.

Compared with the prior art, the utility model provides a pair of shafting centering device, simple structure, installation adjustment is convenient, and overall dimension is less, is convenient for arrange the installation, centering inspection tool when can regard as the shafting installation, the centering work of mainly used shafting.

Drawings

Fig. 1 is a front view of a shafting centering device according to an embodiment of the present invention;

fig. 2 is a side view of the shafting centering device provided by the embodiment of the present invention.

Description of the drawings: 1-a fixing mechanism; 101-upper clamping hoop; 1-02 lower clamping hoop; 103-round holes; 104-connection hole; 2-dial indicator; 3-measuring device holder; 301-watch mounting; 302-lower watch holder; 4-a fixing piece; 5-a fastener.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

The embodiment provides an axis centering device, as shown in fig. 1 and fig. 2, a fixing mechanism 1, a fixing piece 4, a measuring device fixing frame 3 and a measuring device; fixing mechanism 1 is used for setting up on treating one of them shaft section of centering shafting, fixing mechanism 1 includes clamp 101 and lower clamp 102, it is the arc section of jurisdiction to go up clamp 101 and lower clamp 102, it passes through mounting 4 to connect with at least one butt joint end of lower clamp 102 to go up clamp 101, so that it forms circular hoop with lower clamp 102 butt joint, and the hoop diameter of concatenation shaping and shaft section diameter phase-match, realize fixedly with the cover on the shafting, measuring device mount 3 sets up on fixing mechanism 1, measuring device passes through measuring device mount 3 and sets up on fixing mechanism 1, so that measuring device and shafting contact, carry out the measurement of shafting centering parameter. Through a calculation formula, the deviant in the shaft section alignment can be measured by only rotating the shaft section for a half turn, and the deviant and/or the tortuosity in the shaft system alignment can be measured by rotating the shaft section for a half turn, so that the shaft section alignment efficiency is improved.

The utility model provides a pair of shafting centering device goes up clamp 101 and lower clamp 102 and all adopts the circular arc section of jurisdiction, requires to go up clamp 101 and clamp 102 can splice into a circular hoop cover down to splice fashioned hoop cover diameter and shaft part diameter phase-match. For example, the last clamp of optional 1/4 circular arc and the lower clamp of 3/4 circular arc, or the annular last clamp of semicircle and lower clamp of also can selecting, the utility model discloses do not do the restriction to the concrete structure of going up clamp 101 and lower clamp 102, be convenient for go up the butt joint of clamp 101 and lower clamp 102, be convenient for the installation setting of other components simultaneously, preferably, in this embodiment, go up clamp 101 and lower clamp 102 and be the semicircle loop configuration.

The utility model discloses do not do the restriction to the connected mode of going up clamp 101 and lower clamp 102, go up clamp 101 and at least one butt joint end of clamp 102 down and pass through mounting 4 and connect, can select the articulated one end mounting 4 of one end to connect, also can both ends all adopt the mode realization of mounting 4 to connect fixedly, the utility model discloses do not restrict the connected mode.

For convenient dismantlement, make shafting centering device more nimble, size assorted clamp can arrange in a flexible way, in this embodiment, go up two butt joint ends of clamp 101 and lower clamp 101 and all adopt the fixed mode of mounting 4.

At least one butt joint end of the upper clamp 101 and the lower clamp 102 is connected through a fixing member 4, a butt joint hole is formed in the butt joint end connected through the fixing member 4, and the fixing member 4 fixes the upper clamp 101 and the lower clamp 102 through the butt joint hole. The butt joint hole comprises a round hole 103 and a connecting hole 104, specifically, the round hole 103 is formed in the end face of the butt joint end of any one of the upper clamp 101 or the lower clamp 102, the corresponding end face of the corresponding clamp is provided with the connecting hole 104, and the fixing piece 4 penetrates through the round hole 103 and is matched and fixed with the connecting hole 104. The round hole 103 can be unthreaded hole, step hole etc. and the connecting hole 104 can be screw thread through-hole, screw thread blind hole, or the combination of screw hole filler hole etc. the utility model discloses do not injectd round hole 103 and connecting hole 104's concrete structure. As shown in fig. 1, in this embodiment, preferably, the fixing element 4 is a screw, and in order to match with the structure of the screw and facilitate the installation of the screw, step circular holes are formed in both end surfaces of the upper band 101, threaded holes in the upper half and unthreaded holes in the lower half are formed in both end surfaces of the lower band 102, and the screw passes through the step circular hole in the upper band 101 and is connected with the threaded hole in the upper half of the lower band 102, so as to fix the upper band 101 and the lower band 102.

The shafting centering device that this embodiment provided, measuring device mount is for setting up on fixed establishment's the disc, and be on a parallel with at least one support of the direction of axle central line, sets up at least one measuring device on a support, sets up a measuring device, and the skew value in shafting centering can be calculated to the rotation shafting if set up measuring device respectively on the different axle sections of shafting, can be through the reading of two measuring device of different axle sections and two measuring device's relative distance. In order to obtain more accurate centering parameters, in this embodiment, the fixing frame of the measuring device includes two supports, namely an upper support and a lower support, the upper support and the lower support are respectively arranged at two ends of the diameter of the circular hoop, the upper support and the lower support are both provided with two measuring devices along the axial direction, and the measuring devices on the upper support and the lower support are opposite in pairs, namely arranged along the direction of the same diameter of the shaft system, so that the shaft system centering parameters are calculated through the readings of the two measuring devices along the same diameter direction, and the average value is obtained, thereby obtaining more accurate data.

The upper meter frame is fixedly connected with the upper hoop, and the lower meter frame is fixedly connected with the lower hoop. The utility model discloses do not injecing fixed establishment 1 and measuring device mount 3's fixed mode, can be for riveting, pin junction, welding etc. for reinforcing means's bulk strength and stability, in this embodiment, go up table 301 and table frame 302 down and all adopt welded mode to fix on last clamp 101 and lower clamp 102.

The upper bezel 301 and the lower bezel 302 are disposed opposite to each other and can be disposed at both ends of a diameter of a circular band formed by the fixing mechanism 1, and in this embodiment, for convenience of mounting and adjustment, the upper bezel 301 is welded to an upper limit point of the upper band 101, and the lower bezel 302 is welded to a lower limit point of the lower band 102.

At least one mounting hole has been seted up along the axial on measuring device mount 3, in this embodiment, measuring device is preferably amesdial 2, for can obtain the butt joint offset and the run-out between two shaft sections of shafting simultaneously, obtain deviant and tortuous value simultaneously through the calculation promptly, on last table frame 301 and lower frame 302, two mounting holes have all been seted up along the axial, 4 amesdial 2 pass the mounting hole and set up on last table frame 301 and lower table frame 302, and two measuring device settings on the same support are on the different shaft sections of shafting, with the tortuous value that can obtain shafting centering through measuring device's reading calculation.

For fixing the measuring device, the shafting centering device provided by this embodiment further includes a fastening piece 5, the fastening piece 5 is not specifically limited, and may be a screw, a bolt, etc., as long as it can achieve the fastening and fixing effect, in the above embodiment, the fastening piece is preferably a bolt, the side surfaces of the mounting holes on the gauge stand 301 and the lower stand 302 are provided with threaded holes, and the fastening piece 5 penetrates through the threaded holes to fix and lock the measuring device, thereby ensuring the stability and the measuring accuracy of the measuring device in the measuring process, and obtaining more accurate measuring data.

The working principle and the using method of the shafting centering device in the embodiment are as follows:

an upper clamp 101 and a lower clamp 102 of a fixing mechanism 1 of a shafting centering device are arranged at the end of a shaft section, and screws of a fixing piece 4 penetrate through a step round hole of the upper clamp 101 to be matched with an upper half section threaded hole of the lower clamp 102, so that the upper clamp 101 and the lower clamp 102 are fixed. The upper meter frame 301 and the lower meter frame 302 are arranged oppositely and tangent to the upper clamp 101 and the lower clamp 102 respectively, and the upper meter frame 301 is welded and installed at the upper quadrant point of the upper clamp 101, and the lower meter frame 302 is welded and installed at the lower quadrant point of the lower clamp 102. Go up table frame 301 and lower frame 302 and seted up 2 mounting holes respectively along the shaft part axial for the amesdial 2 of installation measurement butt joint shaft part runout volume, after initial adjustment accomplished, fixed locking 4 amesdials 2 through 4 tight setting pieces 5 can carry out the centering and measure. During centering, a shaft section is rotated for a half circle, 4 gauge frames are arranged, and measuring devices can be arranged at 4 positions to detect different positions, so that the influence of surface tolerance of the shaft section on a detection result in single measurement is avoided; and calculating axial tortuosity values through the deviation difference values measured on the two measuring devices arranged on each support and the distance between the two measuring devices, converting the axial tortuosity values into tortuosity values of end surfaces, namely the tortuosity values in shafting alignment, and taking the average value of alignment parameters calculated by the upper and lower supports as the final shafting alignment parameters.

Through the embodiment, the utility model has the following beneficial effect or advantage:

1) the utility model provides a pair of shafting centering device fixes on the shaft section that awaits measuring through last clamp and lower clamp of diameter and shaft section diameter assorted semicircle ring structure, simple structure, installation easy operation to the shafting section that unidimensional or different connected modes are connected, for example with the shaft section of flange-free connection such as hydraulic coupling connection, only need to correspond the size of fixing mechanism among the modification shafting centering device, the utility model provides a shafting centering device suitability is high.

2) The utility model provides a pair of shafting centering device, through with table frame and lower frame symmetry respectively set up the both ends at the arbitrary diameter of fixed establishment circular cross-section, go up table frame and last clamp fixed connection, lower frame is in clamp fixed connection down, through last table frame and the total four measuring device that set up on the table frame down, deviant and the tortuous value of measurable quantity calculation shaft section centering, easy operation, it is convenient to measure.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. An shafting centering device, comprising: the device comprises a fixing mechanism, a fixing piece, a measuring device fixing frame and a measuring device; the fixing mechanism is arranged on one shaft section of the shaft system to be centered and comprises an upper clamp and a lower clamp, the upper clamp and the lower clamp are both arc-shaped pipe pieces, and at least one butt joint end of the upper clamp and at least one butt joint end of the lower clamp are connected through the fixing piece, so that the upper clamp and the lower clamp are in butt joint to form a circular hoop sleeve; the measuring device fixing frame is arranged on the fixing mechanism, and the measuring device is arranged on the fixing mechanism through the measuring device fixing frame, so that the measuring device is in contact with the shafting.

2. The shafting centering device of claim 1, wherein an abutting hole is formed at an abutting end of the upper clamp and the lower clamp, and the fixing member passes through the abutting hole to fix the upper clamp and the lower clamp.

3. The shafting centering device according to claim 2, wherein said abutting holes comprise a circular hole and a connecting hole, said circular hole and said connecting hole are respectively disposed on said upper clamp and said lower clamp, and said fixing member passes through said circular hole and is fixed in cooperation with said connecting hole.

4. The shafting centering device of claim 3, wherein the circular hole is a stepped hole, and the connecting hole comprises a threaded hole section and a smooth hole section.

5. The shafting centering device of claim 1, wherein said measuring device holder is at least one holder disposed on a circular surface of said holding mechanism in a direction parallel to a shaft center line, and at least one of said measuring devices is disposed on a single said holder.

6. The shafting centering device according to claim 5, wherein said measuring device fixing frame comprises two supports, an upper meter frame and a lower meter frame, said upper meter frame is disposed on said upper clamp, said lower meter frame is disposed on said lower clamp, and said upper meter frame and said lower meter frame are respectively disposed at two ends of the diameter of said circular clamp, said upper meter frame is fixedly connected with said upper clamp, and said lower meter frame is fixedly connected with said lower clamp.

7. The shafting centering device of claim 6, wherein said upper yoke and said lower yoke are each a semi-circular ring structure, said upper watchband being disposed at an upper notional point of said upper yoke and said lower watchband being disposed at a lower notional point of said lower yoke.

8. The shafting centering device of claim 7, wherein said upper case is welded to an upper quadrant point of said upper yoke and said lower case is welded to a lower quadrant point of said lower yoke.

9. The shafting centering device of claim 1, wherein the measuring device holder is provided with at least one mounting hole along the axial direction, and the measuring device is arranged on the measuring device holder through the mounting hole.

10. The shafting centering device of claim 9, further comprising a fastening member, wherein a threaded hole is formed in a side surface of the mounting hole of the measuring device fixing frame, and the fastening member penetrates through the threaded hole to fix the measuring device.