CN216967673U - Manual barring instrument of generating set - Google Patents

Abstract

The utility model relates to a manual barring tool for a generator set, which comprises a barring head and a handle, wherein a motor shaft fastening device is arranged on the barring head and comprises an assembling block and a bolt, the barring head is provided with a first threaded hole which longitudinally penetrates through the barring head and a polygonal groove which is transversely arranged on one side of the barring head, the polygonal groove is matched with the tail end of a motor shaft, the assembling block is longitudinally provided with a second threaded hole corresponding to the first threaded hole, and the bottom of the bolt is provided with a jacking block for jacking the motor shaft. The assembling block is in threaded connection with the second threaded hole and the first threaded hole of the barring gear through the bolts, the polygonal groove of the barring gear is sleeved at the tail end of the motor shaft, the jacking block is fixedly connected with the lower end of the bolt through tightening the bolt, the bolt drives the jacking block to move downwards and tightly press the upper end face of the tail end of the motor shaft, and when a worker turns the barring gear, the barring gear is prevented from being separated from the tail end of the motor shaft, so that the worker is prevented from being damaged.

Description

Manual barring instrument of generating set

Technical Field

The utility model relates to the technical field of auxiliary tools for equipment maintenance, in particular to a manual turning tool for a generator set.

Background

The rotors of the dry slag extractor or other machines need to be turned by a turning gear after shutdown or before startup, and the long-time continuous turning gear can eliminate non-permanent bending caused by long-term shutdown and storage of the unit or other reasons, so as to prevent accidents or motor damage and prolong the service life of the rotors.

Manual barring requires manpower to complete, and in order to make manual barring more labor-saving, barring is usually performed by a manual barring tool.

The utility model discloses a current chinese utility model patent, patent number is CN204060829U, and the patent name is manual barring operating handle, discloses a take polygonal recess for cooperation motor shaft tail end realizes the barring, however, this kind of handle is directly inserted at the motor shaft tail end, breaks away from the motor shaft tail end easily when using, and handle or the motor rotor that overturns or fan blade can threaten staff's safety.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a manual turning tool of a generator set, which avoids the turning tool from being separated from the tail end of a motor shaft when the manual turning tool is used for turning, and improves the safety of workers.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a manual barring instrument of generating set, including barring and handle, the overhead motor shaft fastener that is provided with of barring, motor shaft fastener is including assembly piece and bolt, the barring is provided with the first screw hole that vertically runs through, transversely set up the polygon recess in barring one side, polygon recess and motor shaft tail end adaptation, the assembly piece vertically is provided with the second screw hole corresponding with first screw hole, the bolt sets gradually in second screw hole and first screw hole, the bolt bottom is provided with the tight piece in top that is used for the tight motor shaft in top.

The barring head is transversely fixed and is set up the one end at the handle, the assembly piece sets up in barring head upper end, the assembly piece passes through bolt threaded connection and downthehole at the second screw hole and the first screw hole of barring head, the polygon recess cover of barring head is established at motor shaft tail end, through screwing up the bolt, tight piece and bolt lower extreme fixed connection in top, the bolt drives tight piece of top and moves down and compresses tightly the up end at the motor shaft tail end, staff when the barring, prevent that the barring head from breaking away from motor shaft tail end, avoid causing the damage to the staff.

As preferred, dish locomotive upper end and lower extreme are provided with the constant head tank respectively, and first screw hole is located first constant head tank, and the assembly piece passes through fastening screw and sets up in the constant head tank, the bottom and the constant head tank looks adaptation of assembly piece.

The constant head tank is used for placing the assembly piece, can avoid the dress to control the piece and appear rocking in the overhead portion of barring again when screwing up, unscrewing the bolt, influences the use of bolt, can be used for installing the positioning assembly piece fast again.

Preferably, the tightening block is a circular tightening block, the upper top surface of the polygonal groove is provided with a circular groove, the inner diameter of the circular groove is larger than the outer diameter of the circular tightening block, and the width of the circular tightening block is consistent with the width of the circular groove.

When the bolt is screwed down, the round jacking block rotates at the upper ends of the round groove and the motor shaft and rotates and compresses tightly on the motor shaft, the width of the round jacking block is consistent with that of the round groove, and the coiler head is not influenced to be sleeved into the motor shaft.

Preferably, the bottom surface of the fitting block is rectangular in shape, and the positioning groove is a rectangular-shaped positioning groove.

Preferably, a crank is arranged at one end of the handle far away from the disk head, and the crank is rotatably connected with the handle.

One end of the crank, which is close to the handle, is provided with an annular stop block, and the annular stop block is rotatably arranged in an annular groove formed in the handle, so that a worker can conveniently shake the crank.

Compared with the prior art, the utility model has the beneficial effects that: the turning gear head is transversely and fixedly arranged at one end of the handle, the assembling block is arranged at the upper end of the turning gear head and is in threaded connection with a second threaded hole and a first threaded hole of the turning gear head through bolts, a polygonal groove of the turning gear head is sleeved at the tail end of the motor shaft, the jacking block is fixedly connected with the lower end of the bolt by screwing the bolt, the bolt drives the jacking block to move downwards and tightly press the upper end face of the tail end of the motor shaft, and when a worker turns the turning gear, the turning gear head is prevented from being separated from the tail end of the motor shaft, so that the damage to the worker is avoided;

when the bolt is screwed down, the round jacking block rotates at the upper ends of the round groove and the motor shaft and rotates and compresses tightly on the motor shaft, the width of the round jacking block is consistent with that of the round groove, and the coiler head is not influenced to be sleeved into the motor shaft.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic sectional view of the structure of the utility model along line A-A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic view of the mounting block and barring head structure of the present invention.

Reference numerals shown in the drawings: 1. turning the head; 101. a first threaded hole; 102. a polygonal groove; 103. positioning a groove; 104. a circular groove; 2. a handle; 3. assembling the block; 301. a second threaded hole; 4. a bolt; 5. a jacking block; 6. a fastening screw; 7. a crank; 8. an annular stop block; 9. a rotary trough.

Detailed Description

The utility model is further explained by combining with a specific embodiment, as shown in fig. 1 to 5, a manual barring tool for a generator set comprises a barring head 1 and a handle 2, a motor shaft fastening device is arranged on the barring head 1, the motor shaft fastening device comprises an assembling block 3 and a bolt 4, the barring head 1 is provided with a first threaded hole 101 which longitudinally penetrates through the barring head 1 and a quadrilateral groove which is transversely arranged on one side of the barring head 1, the quadrilateral groove is matched with the tail end of a motor shaft, the assembling block 3 is longitudinally provided with a second threaded hole 301 which corresponds to the first threaded hole 101, the bolt 4 is sequentially arranged in the second threaded hole 301 and the first threaded hole 101, and the bottom of the bolt 4 is provided with a jacking block 5 for jacking the motor shaft.

Dish locomotive 1 transversely fixes the one end that sets up at handle 2, assembly block 3 sets up in 1 upper end of dish locomotive, assembly block 3 passes through 4 threaded connection of bolt in the second screw hole 301 and the first screw hole 101 of dish locomotive 1, the polygon recess 102 cover of dish locomotive 1 is established at the motor shaft tail end, through screwing up bolt 4, top compact heap 5 and 4 lower extreme fixed connection of bolt, bolt 4 drives top compact heap 5 rebound and moves down and compress tightly the up end at the motor shaft tail end, the staff is when the barring, prevent that dish locomotive 1 from breaking away from the motor shaft tail end, avoid causing the damage to the staff.

Dish locomotive 1 upper end and lower extreme are provided with constant head tank 103 respectively, and the bottom surface of assembly piece 3 is the rectangle shape, and constant head tank 103 is the constant head tank 103 of rectangle shape, and first screw hole 101 is located first constant head tank 103, and assembly piece 3 passes through fastening screw 6 to be set up in constant head tank 103, and the bottom and the constant head tank 103 looks adaptation of assembly piece 3. The constant head tank 103 is used for placing the assembly block 3, can avoid the dress to command the block and appear rocking in screwing up, unscrewing bolt 4 time dish locomotive 1 upper portion again, influences bolt 4's use, can be used for installing the positioning assembly block 3 fast again. The assembling block 3 and the bolt 4 can also be arranged at the lower end of the barring gear head 1, and the bolt 4 is parallel to the handle 2, so that the barring gear tool can rotate conveniently.

The jacking block 5 is a circular jacking block 5, the upper top surface of the quadrilateral groove is provided with a circular groove 104, the inner diameter of the circular groove 104 is larger than the outer diameter of the circular jacking block 5, and the width of the circular jacking block 5 is consistent with that of the circular groove 104. When the bolt 4 is screwed down, the circular jacking block 5 rotates at the upper ends of the circular groove 104 and the motor shaft and rotates and compresses tightly towards the motor shaft, the width of the circular jacking block 5 is consistent with that of the circular groove 104, and the sleeve of the disc head 1 into the motor shaft is not influenced.

The handle 2 is provided with the crank 7 apart from the one end of dish locomotive 1, and crank 7 is connected with handle 2 rotation. The one end that crank 7 is close to handle 2 is provided with annular dog 8, handle 2 offer with the swivelling chute 9 of annular dog 8 looks adaptation in, annular dog 8 rotates the setting in the swivelling chute 9 that handle 2 was seted up, the staff of being convenient for waves crank 7.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Claims (5)

1. The utility model provides a manual barring instrument of generating set, includes barring locomotive (1) and handle (2), its characterized in that: the motor shaft fastening device is arranged on the disc head (1) and comprises an assembling block (3) and a bolt (4), the disc head (1) is provided with a first threaded hole (101) which longitudinally penetrates through the disc head and a polygonal groove (102) which is transversely formed in one side of the disc head (1), the polygonal groove (102) is matched with the tail end of the motor shaft, the assembling block (3) is longitudinally provided with a second threaded hole (301) corresponding to the first threaded hole (101), the bolt (4) is sequentially arranged in the second threaded hole (301) and the first threaded hole (101), and a jacking block (5) used for jacking the motor shaft is arranged at the bottom of the bolt (4).

2. The manual barring tool of a generator set of claim 1 wherein: the disc head (1) is provided with constant head tank (103) on upper end and the lower extreme respectively, first screw hole (101) are located first constant head tank (103), assembly piece (3) pass through fastening screw (6) and set up in constant head tank (103), the bottom and constant head tank (103) looks adaptation of assembly piece (3).

3. The manual barring tool of a generator set of claim 2 wherein: the tightening block (5) is a circular tightening block (5), the upper top surface of the polygonal groove (102) is provided with a circular groove (104), the inner diameter of the circular groove (104) is larger than the outer diameter of the circular tightening block (5), and the width of the circular tightening block (5) is consistent with that of the circular groove (104).

4. The manual barring tool of a generator set of claim 2 wherein: the bottom surface of the assembling block (3) is rectangular, and the positioning groove (103) is a rectangular positioning groove (103).

5. The manual barring tool of a generator set of claim 1 wherein: and a crank (7) is arranged at one end of the handle (2) far away from the disc head (1), and the crank (7) is rotatably connected with the handle (2).

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