CN219358724U

CN219358724U - Clamping tool for machining hydroelectric generating set shafts

Info

Publication number: CN219358724U
Application number: CN202223562713.6U
Authority: CN
Inventors: 田照林
Original assignee: Luoyang Nine Heavy Machinery Ltd By Share Ltd
Current assignee: Luoyang Nine Heavy Machinery Ltd By Share Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-18
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a clamping tool for machining shafts of hydroelectric generating sets, which comprises a supporting component, wherein one end of the upper surface of the supporting component is fixedly provided with a transmission component, the side surface of the transmission component is detachably provided with a clamping component, the other end of the upper surface of the supporting component is movably provided with a limiting component, and the inside of the limiting component is movably provided with a rotating component. According to the clamping device, the transmission assembly is matched with the clamping assembly to clamp the spindles with various sizes, so that the clamping mechanism can be optimized, meanwhile, the universality of the clamping tool can be enhanced, in addition, the hydroelectric generating sets with different sizes can be limited and fixed through the supporting assembly matched with the rotating assembly and the limiting assembly, and therefore the installation time is saved, and the working efficiency is improved.

Description

Clamping tool for machining hydroelectric generating set shafts

Technical Field

The utility model relates to the field of clamping tools, in particular to a clamping tool for machining shafts of hydroelectric generating sets.

Background

The utility model relates to a clamping tool for machining shafts of a hydroelectric generating set, which is generally used for clamping and fixing the main shaft of the hydroelectric generating set, so as to facilitate the disassembly or the installation of the main shaft, and can be used for clamping the main shafts of different sizes, and meanwhile, a special clamping mechanism is installed, wherein the clamping tool for machining the shafts of the large hydroelectric generating set disclosed by the application number of CN202120449798.3 is also an increasingly mature technology, and the clamping tool has the advantages of simple structure, capability of well clamping and fixing the shafts of the large hydroelectric generating set, good adaptation to the shafts of different sizes and good using effect, and has the following defects in the using process: when clamping spindles with different sizes, the clamping mechanism of the clamping tool is single, so that the situation of unstable clamping possibly exists, and the performance of the clamping mechanism is still to be optimized;

the application number CN201821442883.1 discloses a processing clamp and processing equipment for shaft parts, which are also increasingly mature technologies, and the processing clamp for shaft parts provided by the embodiments of the present utility model can be driven by a machine tool rotating shaft through two end surfaces of a fixed shaft workpiece, so that enough processing space can be reserved for all other areas needing to be processed of the shaft workpiece. The processing clamp can be used for various processing occasions such as lathes, milling machines, grinding machines and the like, and can finish all processing by one-time clamping, so that the time is greatly saved, the precision of parts is improved, but the clamping tool has the following defects in the using process: this clamping instrument can reserve sufficient processing space for the hydroelectric generating set when using, but can't fix the hydroelectric generating set when processing, consequently can lead to the hydroelectric generating set to appear removing when processing to the condition that the processing appears the mistake is unfavorable for work efficiency's improvement.

Disclosure of Invention

The utility model aims to provide a clamping tool for machining shafts of hydroelectric generating sets, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping tool for machining the hydroelectric generating set shaft comprises a supporting component, wherein one end of the upper surface of the supporting component is fixedly provided with a transmission component, the side surface of the transmission component is detachably provided with a clamping component, the other end of the upper surface of the supporting component is movably provided with a limiting component, and the inside of the limiting component is movably provided with a rotating component;

the support assembly comprises a bottom plate, a first vertical plate and a second vertical plate are fixedly installed at the end of the bottom plate respectively, a first inserting hole is formed in the surface of the first vertical plate, two fixing holes and a second inserting hole are formed in the surface of the second vertical plate respectively, and a sliding groove is formed in one end of the upper surface of the bottom plate.

As a preferable scheme of the utility model, the transmission assembly comprises a hydraulic cylinder arranged at one end of the upper surface of the bottom plate, an output shaft is fixedly connected to the output end of the hydraulic cylinder, a telescopic rod is movably inserted into the output shaft, a screw block is fixedly connected to one end of the telescopic rod, and the output shaft is movably inserted into the first insertion hole.

As a preferable scheme of the utility model, a connecting hole is formed at one end of the output shaft, the telescopic rod is movably inserted into the connecting hole, pin holes are formed on one end side surfaces of the output shaft and the telescopic rod, and a pin rod is movably inserted into the pin holes.

As a preferable scheme of the utility model, the clamping assembly comprises a lantern ring arranged at one end of the telescopic rod, the inner side wall of the lantern ring is provided with a threaded section, the lantern ring is connected to the side surface of the threaded block through the threaded section in a threaded manner, the side surface of the lantern ring is provided with two arc plates, the inner side walls of the two arc plates are movably provided with clamping plates, the inside of the clamping plates is movably inserted with a screw rod, and the side surfaces of the two arc plates are fixedly provided with clamping plates.

As a preferable scheme of the utility model, two hinge shafts are fixedly arranged on the side surface of the lantern ring, two clamping plates are fixedly arranged on the side surface of the lantern ring through the hinge shafts, first screw holes are formed in the side surfaces of the two clamping plates, through holes are formed in the side surfaces of the two clamping plates, the screw rod is in threaded connection with the inside of the first screw holes, and one end of the screw rod is fixedly inserted into the inside of the through holes.

As a preferable scheme of the utility model, two second screw holes are formed on the surfaces of the two clamping plates, and second bolts are connected with the inner parts of the two second screw holes in a threaded manner.

As a preferable scheme of the utility model, the limiting assembly comprises a limiting plate, a sliding block is fixedly arranged at the lower end of the limiting plate, the sliding block is movably clamped in the sliding groove, and a third screw hole and a guide hole are respectively formed in two sides of the upper end of the limiting plate.

As a preferable scheme of the utility model, the rotating assembly comprises a screw rod and a guide rod, wherein the screw rod and the guide rod are arranged in two fixing holes, a hexagonal hole is formed in one end of the screw rod, the hexagonal rod is movably inserted into the hexagonal hole, one end of the hexagonal rod is fixedly connected with a connecting plate, the upper end of the connecting plate is fixedly provided with a handle, the screw rod is in threaded connection with the inside of a third screw hole, and the guide rod is movably inserted into the guide hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the purpose of stably clamping the main shaft can be achieved through the mutual cooperation of the double clamping assemblies, when the main shaft is clamped, the hydraulic cylinder is started to be matched with the telescopic rod to extend so that the clamping assemblies are close to the main shaft of the hydroelectric generating set, when the clamping assemblies are close to the main shaft, the two arc plates are clamped on the side surface of the main shaft, the second bolt is connected with the inside of the second screw hole in a threaded manner, the arc plates can clamp the main shaft, the hydraulic cylinder is started to shrink so as to complete the disassembly work of the main shaft, when the main shaft is smaller in size, the screw rod is screwed to drive the two clamping plates to descend so as to clamp the main shaft with smaller size, and the clamping work of the main shaft can be completed through the operations, so that the clamping mechanism is optimized;

2. the utility model can also fix the hydroelectric generating sets with different sizes, avoid the deviation of the hydroelectric generating sets in the clamping process, and enable the limiting plate and the sliding block to move along the sliding groove towards the direction of the second vertical plate by holding the handle to rotate clockwise under the cooperation of the hexagonal rod and the guide rod when the hydroelectric generating sets are fixed, thereby fixing the hydroelectric generating sets with different sizes, and completing the fixing work of the hydroelectric generating sets through the operation, so as to save the installation time and improve the working efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a disassembled view of the support assembly and spacing assembly of the present utility model;

FIG. 3 is a disassembled view of the transmission assembly of the present utility model;

FIG. 4 is a disassembled view of the clamping assembly of the present utility model;

fig. 5 is a disassembled view of the rotating assembly structure of the present utility model.

In the figure: 1. a support assembly; 11. a bottom plate; 12. a first riser; 13. a first plug hole; 14. a second riser; 15. a fixing hole; 16. a second plug hole; 17. a chute; 2. a transmission assembly; 21. a hydraulic cylinder; 22. an output shaft; 23. a telescopic rod; 24. a screw block; 221. a connection hole; 222. a pin rod; 231. a pin hole; 3. a clamping assembly; 31. a collar; 32. a threaded section; 33. an arc-shaped plate; 34. a clamping plate; 35. a screw; 36. a clamping plate; 311. a hinge shaft; 331. a first screw hole; 341. a through hole; 361. a second screw hole; 362. a second bolt; 4. a limit component; 41. a limiting plate; 42. a slide block; 43. a third screw hole; 44. a guide hole; 5. a rotating assembly; 51. a screw rod; 52. a guide rod; 53. hexagonal holes; 54. a hexagonal rod; 55. a connecting plate; 56. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the clamping tool for machining the hydroelectric generating set shaft comprises a supporting component 1, wherein a transmission component 2 is fixedly arranged at one end of the upper surface of the supporting component 1, a clamping component 3 is detachably arranged on the side surface of the transmission component 2, a limiting component 4 is movably arranged at the other end of the upper surface of the supporting component 1, and a rotating component 5 is movably arranged in the limiting component 4;

the support assembly 1 comprises a bottom plate 11, a first vertical plate 12 and a second vertical plate 14 are fixedly installed at the end of the bottom plate 11, a first inserting hole 13 is formed in the surface of the first vertical plate 12, two fixing holes 15 and a second inserting hole 16 are formed in the surface of the second vertical plate 14, and a sliding groove 17 is formed in one end of the upper surface of the bottom plate 11.

Specifically, can install fixedly drive assembly 2 and spacing subassembly 4 through bottom plate 11 in supporting component 1, first riser 12 and second riser 14 divide and are used for spacing drive assembly 2 and hydroelectric generating set, can carry out the centre gripping to hydroelectric generating set's main shaft through drive assembly 2 cooperation clamping assembly 3, can carry out spacingly to hydroelectric generating set through spacing subassembly 4 cooperation rotating assembly 5, avoid hydroelectric generating set skew when the centre gripping.

In this embodiment: the transmission assembly 2 comprises a hydraulic cylinder 21 arranged at one end of the upper surface of the bottom plate 11, an output shaft 22 is fixedly connected to the output end of the hydraulic cylinder 21, a telescopic rod 23 is movably inserted into the output shaft 22, a screw block 24 is fixedly connected to one end of the telescopic rod 23, and the output shaft 22 is movably inserted into the first insertion hole 13.

Specifically, the clamping assembly 3 can be pulled out and close to the main shaft by starting the hydraulic cylinder 21 to cooperate with the telescopic rod 23 so as to clamp the main shaft, and then the main shaft can be disassembled by controlling the hydraulic cylinder 21 and the telescopic rod 23 to retract.

In this embodiment: a connecting hole 221 is formed in one end of the output shaft 22, the telescopic rod 23 is movably inserted into the connecting hole 221, pin holes 231 are formed in one end side surfaces of the output shaft 22 and the telescopic rod 23, and pin rods 222 are movably inserted into the pin holes 231.

Specifically, the telescopic rod 23 and the output shaft 22 can be connected and fixed by inserting the pin rod 222 into the pin hole 231, and the telescopic rod 23 can be detached conveniently.

In this embodiment: the clamping assembly 3 comprises a lantern ring 31 arranged at one end of the telescopic rod 23, a threaded section 32 is arranged on the inner side wall of the lantern ring 31, the lantern ring 31 is connected to the side surface of the threaded block 24 through the threaded section 32 in a threaded mode, two arc plates 33 are arranged on the side surface of the lantern ring 31, clamping plates 34 are movably arranged on the inner side walls of the two arc plates 33, a screw rod 35 is movably inserted into the clamping plates 34, and clamping plates 36 are fixedly arranged on the side surfaces of the two arc plates 33.

Specifically, the collar 31 and the screw block 24 can be screwed together by the screw thread section 32, and when the spindle is clamped, the spindle can be clamped by the two arc plates 33, and the clamping plate 34 can be lowered by screwing the screw 35, so that the spindle with a smaller size can be clamped and fixed by the two clamping plates 34.

In this embodiment: the side surface fixed mounting of lantern ring 31 has two articulated shaft 311, and two grip blocks 34 pass through articulated shaft 311 fixed mounting at the side surface of lantern ring 31, and first screw 331 has all been seted up to the side surface of two grip blocks 34, and through-hole 341 has all been seted up to the side surface of two grip blocks 34, and screw rod 35 threaded connection is in the inside of first screw 331 and the one end of screw rod 35 is fixed to peg graft in the inside of through-hole 341.

Specifically, the spindle can be clamped by rotating the two arc plates 33 about the hinge shaft 311, and the spindle can be clamped by controlling the screw 35 to carry the clamping plate 34 by screwing the screw 35 into the first screw hole 331.

In this embodiment: two second screw holes 361 are formed in the surfaces of the two clamping plates 36, and second bolts 362 are connected to the inner portions of the two second screw holes 361 in a threaded mode.

Specifically, the clamp plate 36 and thus the arc plate 33 can be fixed by screwing the second bolt 362 into the second screw hole 361.

In this embodiment: the limiting assembly 4 comprises a limiting plate 41, a sliding block 42 is fixedly arranged at the lower end of the limiting plate 41, the sliding block 42 is movably clamped in the sliding groove 17, and a third screw hole 43 and a guide hole 44 are respectively formed in two sides of the upper end of the limiting plate 41.

Specifically, the limiting plate 41 is clamped inside the sliding groove 17 through the sliding block 42, so that the limiting plate 41 is matched with the rotating assembly 5 to limit the hydroelectric generating sets with different sizes.

In this embodiment: the rotating assembly 5 comprises a screw rod 51 and a guide rod 52 which are arranged in the two fixing holes 15, a hexagonal hole 53 is formed in one end of the screw rod 51, a hexagonal rod 54 is movably inserted in the hexagonal hole 53, a connecting plate 55 is fixedly connected to one end of the hexagonal rod 54, a handle 56 is fixedly arranged at the upper end of the connecting plate 55, the screw rod 51 is in threaded connection with the inside of the third screw hole 43, and the guide rod 52 is movably inserted in the guide hole 44.

Specifically, when the limiting plate 41 is controlled to move, the grip 56 is turned, and the limiting plate 41 can be controlled to move along the screw rod 51 by the engagement of the hexagonal rod 54 and the guide rod 52, so that the hydroelectric generating set can be clamped.

Working principle: when the hydraulic clamping device is used, when the hydraulic clamping device is used for fixing the hydropower units with different sizes, firstly, the hydropower units are placed at one end of the upper surface of the bottom plate 11, then the handle 56 is rotated clockwise, the limiting plate 41 and the sliding block 42 can move towards the second vertical plate 14 along the sliding groove 17 under the cooperation of the guide rod 52 and the hexagonal rod 54, so that the hydropower units are clamped and fixed through the limiting plate 41, then the hydraulic cylinder 21 is started to be matched with the telescopic rod 23 to stretch with the clamping assembly 3, so that the two arc plates 33 can clamp the main shaft of the hydropower units, then the second bolt 362 is connected in the second screw hole 361 in a threaded manner so that the two arc plates 33 clamp the main shaft, then the hydraulic cylinder 21 is started to shrink, so that the main shaft can be detached.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Clamping instrument is used in processing of hydroelectric generating set axle class, including supporting component (1), its characterized in that: a transmission assembly (2) is fixedly arranged at one end of the upper surface of the supporting assembly (1), a clamping assembly (3) is detachably arranged on the side surface of the transmission assembly (2), a limiting assembly (4) is movably arranged at the other end of the upper surface of the supporting assembly (1), and a rotating assembly (5) is movably arranged in the limiting assembly (4);

the support assembly (1) comprises a bottom plate (11), a first vertical plate (12) and a second vertical plate (14) are fixedly installed at the end of the bottom plate (11), a first inserting hole (13) is formed in the surface of the first vertical plate (12), two fixing holes (15) and a second inserting hole (16) are formed in the surface of the second vertical plate (14), and a sliding groove (17) is formed in one end of the upper surface of the bottom plate (11).

2. The clamping tool for machining shafts of hydroelectric generating sets according to claim 1, wherein: the transmission assembly (2) comprises a hydraulic cylinder (21) arranged at one end of the upper surface of the bottom plate (11), an output shaft (22) is fixedly connected to the output end of the hydraulic cylinder (21), a telescopic rod (23) is movably inserted into the output shaft (22), a screw block (24) is fixedly connected to one end of the telescopic rod (23), and the output shaft (22) is movably inserted into the first insertion hole (13).

3. The clamping tool for machining shafts of hydroelectric generating sets according to claim 2, wherein: connecting hole (221) have been seted up to one end of output shaft (22), telescopic link (23) activity grafting is in the inside of connecting hole (221), pinhole (231) have all been seted up on one end side surface of output shaft (22) and telescopic link (23), the inside activity grafting of pinhole (231) has round pin pole (222).

4. The clamping tool for machining shafts of hydroelectric generating sets according to claim 1, wherein: clamping assembly (3) are including installing in lantern ring (31) of telescopic link (23) one end, screw thread section (32) have been seted up to the inside wall of lantern ring (31), lantern ring (31) are through screw thread section (32) threaded connection at the side surface of screw block (24), the side surface mounting of lantern ring (31) has two arc (33), two the equal movable mounting of inside wall of arc (33) has grip block (34), the inside activity grafting of grip block (34) has screw rod (35), two the equal fixed mounting of side surface of arc (33) has grip block (36).

5. The clamping tool for machining shafts of hydroelectric generating sets according to claim 4, wherein: the side surface fixed mounting of lantern ring (31) has two articulated shaft (311), two grip block (34) pass through articulated shaft (311) fixed mounting at the side surface of lantern ring (31), two first screw (331) have all been seted up to the side surface of grip block (34), two through-hole (341) have all been seted up to the side surface of grip block (34), screw rod (35) threaded connection is in the inside of first screw (331) and the one end of screw rod (35) is fixed pegging graft in the inside of through-hole (341).

6. The clamping tool for machining shafts of hydroelectric generating sets according to claim 4, wherein: two second screw holes (361) are formed in the surfaces of the two clamping plates (36), and second bolts (362) are connected inside the two second screw holes (361) in a threaded mode.

7. The clamping tool for machining shafts of hydroelectric generating sets according to claim 1, wherein: the limiting assembly (4) comprises a limiting plate (41), a sliding block (42) is fixedly arranged at the lower end of the limiting plate (41), the sliding block (42) is movably clamped inside the sliding groove (17), and a third screw hole (43) and a guide hole (44) are respectively formed in two sides of the upper end of the limiting plate (41).

8. The clamping tool for machining shafts of hydroelectric generating sets according to claim 1, wherein: the rotating assembly (5) comprises a screw rod (51) and a guide rod (52) which are arranged inside two fixing holes (15), a hexagonal hole (53) is formed in one end of the screw rod (51), a hexagonal rod (54) is movably inserted into the hexagonal hole (53), a connecting plate (55) is fixedly connected to one end of the hexagonal rod (54), a grip (56) is fixedly arranged at the upper end of the connecting plate (55), the screw rod (51) is in threaded connection inside a third screw hole (43), and the guide rod (52) is movably inserted into the guide hole (44).