CN216081279U

CN216081279U - Center measuring device of unit

Info

Publication number: CN216081279U
Application number: CN202121853034.7U
Authority: CN
Inventors: 田翔; 王宜峰; 郭洪振; 邱业岭; 庄广明
Original assignee: State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Power Station Co Ltd
Current assignee: State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Power Station Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-18
Anticipated expiration: 2031-08-10

Abstract

The utility model provides a unit center measuring device, and belongs to the technical field of unit installation and construction of energy storage power stations. The technical scheme is as follows: a unit center measuring device comprises a fixed seat, wherein a second adjusting seat is arranged on the fixed seat in a sliding mode, a first adjusting seat is arranged on the second adjusting seat in a sliding mode, and the sliding directions of the first adjusting seat and the second adjusting seat are perpendicular to each other; the first adjusting seat is provided with a first threading hole, the second adjusting seat is provided with a second threading hole, the fixed seat is provided with a third threading hole, a spool is rotatably arranged above the first adjusting seat, and a metal thin wire is wound on the spool; two guide rollers are arranged above the first adjusting seat, and the metal fine wire vertically penetrates into the second threading hole after being guided. The utility model has the beneficial effects that: this device can carry out the central survey for the unit installation, and the position control of metal fine rule is convenient, and it is stable to receive and release the line, improves work efficiency, reduces the operation degree of difficulty.

Description

Center measuring device of unit

Technical Field

The utility model relates to the technical field of installation and construction of energy storage power station units, in particular to a unit center measuring device.

Background

At present, in the installation or maintenance construction process of a hydraulic turbine unit of an energy storage power station, center measurement and positioning adjustment are needed, generally, a rotating part of the unit is adjusted to the center position of the unit, the unit is huge in size, the requirement of the center measurement is higher, a plumb line method is a common measurement method, the center of a lower ring of a plumb line measurement is adjusted firstly and serves as a reference, other parts are positioned according to the plumb line, the adjustment of the position of the plumb line in the process is work with higher operation difficulty, particularly, the fine adjustment process is often required to be repeatedly measured, in the process, the position movement is fine, the take-up and pay-off lines are stable, and a unit center measurement device is needed to assist in completing the center measurement.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide a machine set center measuring device, which can perform coarse adjustment quickly and stabilize the take-up and pay-off lines.

The utility model is realized by the following technical scheme: a unit center measuring device comprises a fixed seat, wherein a second adjusting seat is arranged on the fixed seat in a sliding mode, a first adjusting seat is arranged on the second adjusting seat in a sliding mode, and the sliding directions of the first adjusting seat and the second adjusting seat are perpendicular to each other;

the second adjusting seat is provided with a first adjusting assembly, the position of the first adjusting seat can be adjusted by the first adjusting assembly, and the second adjusting assembly is arranged on the fixed seat and can be adjusted;

the center of the first adjusting seat is provided with a first threading hole, the second adjusting seat is provided with a second threading hole, the fixed seat is provided with a third threading hole, a spool is rotatably arranged above the first adjusting seat, a thin metal wire is coiled on the spool, and the thin metal wire vertically and sequentially penetrates through the first threading hole, the second threading hole and the third threading hole;

the upper portion of the first adjusting seat is further provided with a guide roller, the two ends of the guide roller are large and gradually thinned towards the middle, the axis of the guide roller is parallel to the axis of the bobbin, and the metal thin wire can penetrate through the center of the second threading hole vertically after bypassing the two guide rollers in sequence.

Considering that the metal thin wires are uniformly distributed and wound on the bobbin, the wire outlet end of the metal thin wire repeatedly moves along the axial direction of the bobbin in the lowering process, if the metal thin wire directly penetrates into the threading hole without being guided, the metal thin wire cannot be ensured to be positioned at the center of the threading hole, the metal thin wire directly contacts the inner wall of the threading hole, the metal thin wire is seriously abraded after being used for a long time, and the position of the metal thin wire is unstable due to repeated swinging of the metal thin wire when the metal thin wire is lowered; in the guide roller of the device, because of the shape of the guide roller, the metal thin wire is subjected to a transverse component force when being tightly attached to the conical surface, the metal thin wire is forced to move towards the middle part of the guide roller and is guided by the two guide rollers, and the metal thin wire can be kept stable when passing through the threading hole.

Further, the fixing base comprises a fixing base plate and second bosses arranged at two ends of the fixing base plate, the third threading hole is formed in the fixing base plate, second sliding grooves are formed in the inner sides of the second bosses, and the second adjusting seats are arranged in the second sliding grooves in a sliding mode.

Furthermore, the adjusting seat II comprises a second bottom plate, the second threading hole is formed in the second bottom plate, two clamping platforms are arranged on two sides of the second bottom plate, the second clamping platforms are arranged in the second sliding groove in a sliding mode, bosses I are arranged on the other two sides of the second bottom plate, a first sliding groove is formed in the inner side of each boss I, and the adjusting seat I is arranged in the first sliding groove in a sliding mode.

Furthermore, the first adjusting seat comprises a first base plate, the first threading hole is formed in the center of the first base plate, first clamping tables are arranged on two sides of the first base plate and slidably arranged in the first sliding grooves, vertical plates are arranged on the other two sides of the first base plate, and the spool and two ends of the guide roller are arranged on the vertical plates.

Further, the adjusting component II comprises two end plates which are symmetrically arranged at two ends of the fixed bottom plate, the two end plates are located at two ends of the sliding groove, a screw rod II is arranged on the end plates in a matched mode through threads, and the front end of the screw rod II abuts against the boss I.

Furthermore, the first adjusting component comprises two support plates arranged at two ends of the base plate, two ends of each support plate are respectively arranged on the first bosses, a first screw rod is arranged on each support plate in a threaded fit mode, and the front end of each first screw rod abuts against the vertical plate.

Above-mentioned each subassembly is established to dismantling the connection, and is more swift convenient during equipment dismantlement.

Further, the two ends of the bobbin are provided with rotating shafts, the rotating shafts are rotatably arranged on the vertical plates, and a rotating handle is arranged at any one end of the rotating shaft.

Further, a ratchet wheel and a matched pawl are arranged on any vertical plate, the ratchet wheel is sleeved on the rotating shaft, a spring is arranged between the pawl and the vertical plate, the pawl is clamped into the ratchet of the ratchet wheel under the stress of the spring, and when the ratchet wheel is clamped by the pawl, the spool cannot continue to pay off.

Through ratchet and pawl for work as can the atress tighten after the fine metal wire adjustment finishes, when needs were received the line, only need be connected through contact spring and pawl, can release the ratchet and easily rotate the spool.

Furthermore, a first scale mark is arranged on the first boss, a first pointer pointing to the first scale mark is arranged on the first base plate, a second scale mark is arranged on the second boss, and a second pointer pointing to the second scale mark is arranged on the second base plate.

The operation efficiency can be improved by roughly adjusting through the reference provided by the pointer and the scale marks.

Furthermore, the fixing device also comprises a fixing frame, wherein two parallel supporting rods are arranged on the fixing frame, and four corners of the fixing seat can be fixed on the supporting rods.

The utility model has the beneficial effects that: the utility model can carry out center measurement for unit installation, the position of the metal thin wire is convenient to adjust, the wire is stable to take up and pay off, the working efficiency is improved, and the operation difficulty is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the device.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 2.

Wherein the reference numerals are: 10. a fixed seat; 11. fixing the bottom plate; 12. a third threading hole; 13. a second boss; 14. a second chute; 15. an end plate; 16. a second screw; 20. a second adjusting seat; 21. a second bottom plate; 22. a second threading hole; 23. a first boss; 24. a first sliding chute; 25. a second clamping table; 26. a support plate; 27. a first screw rod; 28. a second pointer; 30. a first adjusting seat; 31. a first bottom plate; 32. a first threading hole; 33. a vertical plate; 34. clamping a first table; 35. a guide roller; 36. a first pointer; 40. a bobbin; 41. a thin metal wire; 42. rotating the handle; 43. a ratchet wheel; 44. a pawl; 45. a spring; 50. a fixed frame; 51. a support rod.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-4, the utility model is realized by the following technical scheme: a unit center measuring device comprises a fixed seat 10, wherein a second adjusting seat 20 is arranged on the fixed seat 10 in a sliding mode, a first adjusting seat 30 is arranged on the second adjusting seat 20 in a sliding mode, and the sliding directions of the first adjusting seat 30 and the second adjusting seat 20 are perpendicular to each other;

the second adjusting seat 20 is provided with a first adjusting component which can adjust the position of the first adjusting seat 30, and the second adjusting component which can adjust the position of the second adjusting seat 20 is arranged on the fixed seat 10;

a first threading hole 32 is formed in the center of the first adjusting seat 30, a second threading hole 22 is formed in the second adjusting seat 20, a third threading hole 12 is formed in the fixed seat 10, a spool 40 is rotatably arranged above the first adjusting seat 30, a thin metal wire 41 is wound on the spool 40, and the thin metal wire 41 vertically and sequentially penetrates through the first threading hole 32, the second threading hole 22 and the third threading hole 12;

the upper part of the first adjusting seat 30 is also provided with a guide roller 35, two ends of the guide roller 35 are large ends and taper towards the middle, the axis of the guide roller 35 is parallel to the axis of the bobbin 40, and the metal thin wire 41 sequentially bypasses the two guide rollers 35 and then can vertically penetrate into the center of the second threading hole 22.

Considering that the metal thin wires 41 are generally uniformly distributed and wound on the bobbin 40, in the process of downward releasing, the wire outlet ends of the metal thin wires 41 also repeatedly move along the axial direction of the bobbin 40, if the metal thin wires 41 directly penetrate into the threading holes without guiding, the metal thin wires 41 cannot be ensured to be positioned at the centers of the threading holes, the metal thin wires 41 directly contact the inner walls of the threading holes, the metal thin wires 41 are seriously worn after long-time use, and when the metal thin wires 41 are released, the position is unstable due to the repeated swinging of the metal thin wires 41; in the guide roller 35 of the present apparatus, due to the shape of the guide roller 35, the metallic thin wire 41 is subjected to a lateral component force when it is closely attached to the tapered surface, so that the metallic thin wire 41 is forced to move toward the middle of the guide roller 35, and is guided by the two guide rollers 35, and the metallic thin wire 41 can be kept stable when it passes through the threading hole.

The fixing seat 10 comprises a fixing base plate 11 and second bosses 13 arranged at two ends of the fixing base plate 11, the third threading holes 12 are formed in the fixing base plate 11, second sliding grooves 14 are formed in the inner sides of the second bosses 13, and second adjusting seats 20 are arranged in the second sliding grooves 14 in a sliding mode.

The second adjusting seat 20 comprises a second bottom plate 21, a second threading hole 22 is formed in the second bottom plate 21, two clamping platforms 25 are arranged on two sides of the second bottom plate 21, the second clamping platforms 25 are arranged in the second sliding grooves 14 in a sliding mode, bosses 23 are arranged on the other two sides of the second bottom plate 21, sliding grooves 24 are formed in the inner sides of the bosses 23, and the first adjusting seat 30 is arranged in the sliding grooves 24 in a sliding mode.

The first adjusting seat 30 comprises a first bottom plate 31, a first threading hole 32 is formed in the center of the first bottom plate 31, first clamping tables 34 are arranged on two sides of the first bottom plate 31, the first clamping tables 34 are arranged in the first sliding grooves 24 in a sliding mode, vertical plates 33 are arranged on the other two sides of the first bottom plate 31, and two ends of a bobbin 40 and two ends of a guide roller 35 are arranged on the vertical plates 33.

The adjusting assembly II comprises two end plates 15 which are symmetrically arranged at two ends of the fixed bottom plate 11, the two end plates 15 are positioned at two ends of the second sliding groove 14, a second screw rod 16 is matched on the end plates 15 through threads, and the front end of the second screw rod 16 abuts against the first boss 23.

The first adjusting component comprises two support plates 26 arranged at two ends of the second bottom plate 21, two ends of each support plate 26 are respectively arranged on the first bosses 23, a first screw 27 is arranged on each support plate 26 in a threaded fit mode, and the front end of the first screw 27 abuts against the vertical plate 33.

Two ends of the spool 40 are provided with rotating shafts which are rotatably arranged on the vertical plate 33, and the rotating shaft at any end is provided with a rotating handle 42.

Any vertical plate 33 is provided with a ratchet wheel 43 and a matched pawl 44, the ratchet wheel 43 is sleeved on the rotating shaft, a spring 45 is arranged between the pawl 44 and the vertical plate 33, the pawl 44 is clamped into the ratchet of the ratchet wheel 43 under the stress of the spring 45, and when the ratchet wheel 43 is clamped by the pawl 44, the spool 40 cannot be continuously paid off.

Through the ratchet wheel 43 and the pawl 44, the metal thin wire 41 can be stressed tightly after being adjusted, and when the wire is required to be wound, the ratchet wheel 43 can be released to rotate the spool 40 easily only through connection of the contact spring 45 and the pawl 44.

The first boss 23 is provided with a first scale mark, the first base plate 31 is provided with a first pointer 36 pointing to the first scale mark, the second boss 13 is provided with a second scale mark, and the second base plate 21 is provided with a second pointer 28 pointing to the second scale mark.

Still include fixed frame 50, be equipped with two parallel bracing pieces 51 on the fixed frame 50, the four corners of fixing base 10 can be fixed on bracing piece 51. The four corners of the fixing frame 50 are provided with feet for adjusting the height.

The process of using the utility model in the installation of a water turbine is as follows: the fixing frame 50 is generally fixedly installed on the upper plane of the seat ring and adjusted in levelness; after the metal thin wire 41 passes through the third threading hole 12, a heavy hammer is hung below the metal thin wire 41, so that the metal thin wire 41 is straightened and is in a plumb state; roughly measuring by using a measuring tape, taking the position of the metal thin wire 41 on the water plane of the annular pond opening as an original point, and respectively measuring the distances in four directions along an X, Y axis, wherein the directions of an XY axis are respectively the sliding directions of the first adjusting seat 30 and the second adjusting seat 20; according to the difference value of the four-way distance, the first pointer 36 and the first scale, and the second pointer 28 and the second scale are combined to adjust the first screw 27 and the second screw 16 at the indicating positions, the quick rough adjustment enables the metal thin wire 41 to be approximately positioned at the center of the seat ring pool opening, and the error is within 5mm at the moment; measuring again by using the measuring rod and a micrometer arranged at the front end of the side rod, and finely adjusting the position of the metal thin wire 41 according to a measuring result to finally enable the metal thin wire 41 to be positioned at the center of the mouth of the seat ring pond; the adjusted thin metal wire 41 is used as a reference, so that a reference center can be provided for subsequent installation of each component.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the utility model, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, e.g. as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The unit center measuring device is characterized by comprising a fixed seat, wherein a second adjusting seat is arranged on the fixed seat in a sliding manner, a first adjusting seat is arranged on the second adjusting seat in a sliding manner, and the sliding directions of the first adjusting seat and the second adjusting seat are mutually vertical;

2. The unit center measuring device according to claim 1, wherein the fixing seat comprises a fixing base plate and second bosses arranged at two ends of the fixing base plate, the third threading hole is arranged on the fixing base plate, the second sliding groove is arranged on the inner side of the second boss, and the second adjusting seat is slidably arranged in the second sliding groove.

3. The unit center measuring device according to claim 2, wherein the second adjusting seat comprises a second bottom plate, the second threading hole is formed in the second bottom plate, two clamping platforms are arranged on two sides of the second bottom plate, the second clamping platforms are slidably arranged in the second sliding groove, the first boss is arranged on the other two sides of the second bottom plate, a first sliding groove is formed in the inner side of the first boss, and the first adjusting seat is slidably arranged in the first sliding groove.

4. The unit center measuring device according to claim 3, wherein the first adjusting seat comprises a first bottom plate, the first threading hole is formed in the center of the first bottom plate, first clamping tables are arranged on two sides of the first bottom plate, the first clamping tables are slidably arranged in the first sliding grooves, vertical plates are arranged on the other two sides of the first bottom plate, and two ends of the bobbin and two ends of the guide roller are arranged on the vertical plates.

5. The unit center measuring device according to claim 4, wherein the second adjusting assembly comprises two end plates symmetrically arranged at two ends of the fixed bottom plate, the two end plates are arranged at two ends of the second sliding chute, a second screw rod is matched on the end plates through threads, and the front end of the second screw rod abuts against the first boss.

6. The unit center measuring device according to claim 4, wherein the first adjusting component comprises two support plates arranged at two ends of the bottom plate, two ends of each support plate are respectively arranged on the first bosses, a first screw rod is arranged on each support plate through thread fit, and the front end of each first screw rod abuts against the vertical plate.

7. The unit center measuring device according to claim 4, wherein two ends of the bobbin are provided with rotating shafts, the rotating shafts are rotatably arranged on the vertical plate, and the rotating shaft at any end is provided with a rotating handle.

8. The unit center measuring device according to claim 7, wherein a ratchet wheel and a matched pawl are arranged on any one of the vertical plates, the ratchet wheel is sleeved on the rotating shaft, a spring is arranged between the pawl and the vertical plate, the spring is stressed to clamp the pawl into a ratchet of the ratchet wheel, and when the ratchet wheel is clamped by the pawl, the spool cannot continue to pay off.

9. The unit center measuring device according to claim 4, wherein a first scale mark is arranged on the first boss, a first pointer pointing to the first scale mark is arranged on the first base plate, a second scale mark is arranged on the second boss, and a second pointer pointing to the second scale mark is arranged on the second base plate.

10. The unit center measuring device according to claim 1, further comprising a fixing frame, wherein two parallel support rods are arranged on the fixing frame, and four corners of the fixing seat can be fixed on the support rods.