阅读说明：本技术 一种法兰铰孔装置 (Flange reaming device ) 是由 陈立新 刘元必 于 2021-07-19 设计创作，主要内容包括：本发明公开了一种法兰铰孔装置,包括可拆卸安装在法兰的短轴上的抱箍座、连接板、磁座钻和传动齿轮组；抱箍座的一端沿周向设置多个定位螺纹孔；所述连接板包括固定螺栓和安装孔,固定螺栓穿过安装孔与定位螺纹孔螺纹连接,连接板一端面上设置有定位槽；磁座钻的磁座磁吸在定位槽内；传动齿轮组传动连接磁座钻的电机输出轴,传动齿轮组的输出端上设置有铰孔钻。本发明在磁座钻的输出轴上增设带有铰孔钻的传动齿轮组,然后将抱箍座箍在法兰的短轴上,接着将连接板螺纹连接在抱箍座上,然后便可将磁座钻的磁座磁吸在定位槽内,进而使得传动齿轮组上的铰孔钻伸入法兰的两端法兰盘之间,然后只需要操作磁座钻便可对此时铰孔钻对准的法兰孔进行铰孔。(The invention discloses a flange reaming device, which comprises a hoop seat, a connecting plate, a magnetic drill and a transmission gear set, wherein the hoop seat is detachably arranged on a short shaft of a flange; one end of the hoop seat is circumferentially provided with a plurality of positioning threaded holes; the connecting plate comprises a fixing bolt and a mounting hole, the fixing bolt penetrates through the mounting hole to be in threaded connection with the positioning threaded hole, and a positioning groove is formed in one end face of the connecting plate; the magnetic seat of the magnetic seat drill is magnetically attracted in the positioning groove; the transmission gear set is in transmission connection with a motor output shaft of the magnetic drill press, and a reaming drill is arranged at the output end of the transmission gear set. The invention adds a transmission gear group with a reaming drill on an output shaft of the magnetic drill, hoops the hoop base on the short shaft of the flange, connects the connecting plate on the hoop base in a threaded manner, then magnetically attracts the magnetic drill to the positioning groove, further leads the reaming drill on the transmission gear group to extend between the flange plates at the two ends of the flange, and then only needs to operate the magnetic drill to ream the flange hole aligned with the reaming drill.)

1. A flange reaming device is characterized in that: the magnetic drill comprises a hoop seat, a connecting plate, a magnetic drill and a transmission gear set, wherein the hoop seat is detachably arranged on a short shaft of a flange;

one end of the hoop seat is circumferentially provided with a plurality of positioning threaded holes;

the connecting plate comprises a fixing bolt and a mounting hole, the fixing bolt penetrates through the mounting hole to be in threaded connection with the positioning threaded hole, and a positioning groove is formed in one end face of the connecting plate;

the magnetic seat of the magnetic seat drill is magnetically attracted in the positioning groove;

the transmission gear set is in transmission connection with a motor output shaft of the magnetic drill press, and a reaming drill is arranged at the output end of the transmission gear set.

2. A flange reaming assembly according to claim 1, wherein: the fine adjustment mechanism comprises a fixed gear, a movable gear and a rotating handle, and the fixed gear is fixedly sleeved on a motor of the magnetic drill;

the movable gear is meshed with the fixed gear, and the movable gear is connected with the shell of the transmission gear set;

the rotating handle is in transmission connection with the movable gear.

3. A flange reaming assembly according to claim 1, wherein: be provided with the pilot lamp to the hole on the shell of drive gear group, the pilot lamp to the hole is used for assisting the reaming of drive gear group to bore and aims at the flange hole.

4. A flange reaming assembly according to claim 1, wherein: the hoop seat is characterized in that a plurality of threaded through holes are formed in the circumferential surface of the hoop seat, and fastening bolts are connected to the threaded through holes in a threaded mode.

5. A flange reaming assembly according to claim 1, wherein: the transmission gear set comprises a driving gear, a transition gear and an output gear which are all rotatably arranged in the shell;

the driving gear is in transmission connection with an output shaft of the magnetic drill;

the transition gear is meshed with the driving gear;

the output gear is meshed with the transition gear and is in transmission connection with the reaming drill.

6. A flange reaming assembly according to claim 1, wherein: the connecting plate is made of an iron plate.

Technical Field

The invention relates to the technical field of flange reaming, in particular to a flange reaming device.

Background

The ship gearbox is an important power transmission device of a ship, so that the requirement for connection between an output shaft of the gearbox and a flange is high, however, when the gearbox is purchased, some manufacturers do not produce the matched flange, and flanges produced by other manufacturers need to be purchased. Because the gear box and the flange are produced by different manufacturers, the flange hole on the flange cannot be completely matched with the mounting hole on the output shaft of the gear box, and some position deviation exists. And then need the manual work to carry out the reaming to the flange hole for flange hole on the flange can agree with the mounting hole on the gear box output shaft. However, the flange used by the ship gearbox is an I-shaped flange, the length of the short shaft in the middle is short, so that the distance between the flange plates at two ends is small, and the traditional magnetic drill cannot stretch into the space between the flange plates at two ends to ream each flange hole.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a flange reaming device can carry out the reaming to I shape flange hole fast effectually.

In order to solve the technical problems, the invention adopts the technical scheme that: a flange reaming device comprises a hoop seat, a connecting plate, a magnetic drill and a transmission gear set, wherein the hoop seat is detachably arranged on a short shaft of a flange;

one end of the hoop seat is circumferentially provided with a plurality of positioning threaded holes;

the connecting plate comprises a fixing bolt and a mounting hole, the fixing bolt penetrates through the mounting hole to be in threaded connection with the positioning threaded hole, and a positioning groove is formed in one end face of the connecting plate;

the magnetic seat of the magnetic seat drill is magnetically attracted in the positioning groove;

the transmission gear set is in transmission connection with a motor output shaft of the magnetic drill press, and a reaming drill is arranged at the output end of the transmission gear set.

The invention has the beneficial effects that: the output shaft of the magnetic drill is additionally provided with a transmission gear set with a reaming drill, then the hoop base is hooped on the short shaft of the flange, then the connecting plate is connected to the hoop base in a threaded mode, then the magnetic drill can be magnetically attracted in the positioning groove, further the reaming drill on the transmission gear set extends into the space between the flange plates at the two ends of the flange, and then only the magnetic drill needs to be operated, so that the reaming drill can be used for reaming the flange hole aligned with the reaming drill in the process. After the reaming of the flange hole is finished, the positioning threaded hole in threaded connection is replaced by detaching the connecting plate, and then other unmachined flange holes are reamed.

Drawings

Fig. 1 is a structural view illustrating an installation effect of a flange reaming device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a structure of a hoop base of a flange reaming apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a structure of a connecting plate of a flange reaming device according to an embodiment of the present invention

Fig. 4 is a schematic view illustrating a driving gear train of a flange reaming device according to an embodiment of the present invention;

description of reference numerals:

1. a hoop seat; 11. a threaded through hole;

2. a connecting plate; 21. fixing the bolt; 22. mounting holes; 23. positioning a groove;

3. a magnetic drill;

4. a drive gear set; 41. a driving gear; 42. a transition gear; 43. output gear

5. Positioning the threaded hole;

6. a fine adjustment mechanism; 61. fixing a gear; 62. a movable gear; 63. rotating the handle;

7. and fastening the bolt.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, a flange reaming device includes a hoop base 1 detachably mounted on a short shaft of a flange, a connecting plate 2, a magnetic drill 3, and a transmission gear set 4;

one end of the hoop seat 1 is circumferentially provided with a plurality of positioning threaded holes 5;

the connecting plate 2 comprises a fixing bolt 21 and a mounting hole 22, the fixing bolt 21 penetrates through the mounting hole 22 to be in threaded connection with the positioning threaded hole 5, and a positioning groove 23 is formed in one end face of the connecting plate 2;

the magnetic seat of the magnetic seat drill 3 is magnetically attracted in the positioning groove 23;

the transmission gear set 4 is in transmission connection with a motor output shaft of the magnetic drill chuck 3, and a reaming drill is arranged at the output end of the transmission gear set 4.

The working principle is as follows: when the flange hole of the flange needs to be reamed, the hoop seat 1 is firstly hooped on the short shaft of the flange, and the positioning threaded hole 5 corresponds to the flange hole of the upper flange. The connecting plate 2 is then screwed with the positioning threaded hole 5 through the mounting hole 22 by the fixing bolt 21. Then be connected the motor output shaft of magnetic drill 3 with the transmission gear group 4 transmission, then inhale 3 magnetic bearings magnetism of magnetic drill in the constant head tank 23 of connecting plate 2, and then make the reaming on the output of transmission gear group 4 bore between the both ends ring flange of flange, and aim at a flange hole, the staff only need operate the motor work of magnetic drill 3 this moment, the motor of magnetic drill 3 just can drive the gear in the transmission gear group 4 and begin to rotate, and then make the reaming of transmission gear group 4 output begin to rotate, operate the handle on the magnetic drill 3 afterwards alright carry out the reaming to the flange hole that the reaming was aimed at this time. After the reaming of the flange hole is finished, the positioning threaded hole 5 in threaded connection is replaced by detaching the connecting plate 2, and other unmachined flange holes can be reamed.

From the above description, the beneficial effects of the present invention are: add the drive gear group 4 that has the reaming and bore on the output shaft of magnetic drill 3, then will embrace hoop seat 1 and hoop on the minor axis of flange, then with connecting plate 2 threaded connection on embracing hoop seat 1, then alright inhale the magnetic of magnetic drill 3 in constant head tank 23, and then make the reaming on the drive gear group 4 bore and stretch into between the both ends ring flange of flange, then only need operate magnetic drill 3 alright carry out the reaming to the flange hole that the reaming was aimed at this moment. After the reaming of the flange hole is finished, the connecting plate 2 is disassembled, the positioning threaded hole 5 connected with the threads is replaced, and then other unmachined flange holes are reamed.

Referring to fig. 1, further, the magnetic drill further comprises a fine adjustment mechanism 6, wherein the fine adjustment mechanism 6 comprises a fixed gear 61, a movable gear 62 and a rotating handle 63, and the fixed gear 61 is fixedly sleeved on a motor of the magnetic drill 3;

the movable gear 62 is meshed with the fixed gear 61, and the movable gear 62 is connected with the shell of the transmission gear set 4;

the rotating handle 63 is in transmission connection with the movable gear 62.

As can be seen from the above description, since the hoop base 1 also needs to match the positioning threaded hole 5 with the flange hole on the short shaft of the flange, and there is a deviation inevitably, the fine adjustment mechanism 6 is additionally provided, so that the worker can operate the rotating handle 63 to roll the movable gear 62 on the fixed gear 61 according to the observation of the position deviation between the reaming drill and the flange hole, and further drive the transmission gear set 4 to swing, thereby finely adjusting the position of the reaming drill.

Further, a hole aligning indicator lamp is arranged on the shell of the transmission gear set 4 and used for assisting the reaming drill of the transmission gear set 4 to align to the flange hole.

As can be seen from the above description, when the reaming drill is aligned with the flange hole, the light emitted from the hole indicating lamp can assist the worker in fine-tuning the installation angle of the transmission gear set 4.

Referring to fig. 1 and 2, a plurality of threaded through holes 11 are further formed in the circumferential surface of the hoop base 1, and fastening bolts 7 are threadedly connected to the threaded through holes 11.

As can be seen from the above description, after the hoop base 1 is hooped on the short axis of the flange, the fastening bolt 7 is rotated to make the fastening bolt 7 close to the short axis of the flange, thereby improving the installation firmness of the hoop base 1.

Referring to fig. 1 and 4, further, the transmission gear set 4 includes a driving gear 41, a transition gear 42 and an output gear 43, all of which are rotatably disposed in the housing;

the driving gear 41 is in transmission connection with an output shaft of the magnetic drill 3;

the transition gear 42 is meshed with the driving gear 41;

the output gear 43 is meshed with the transition gear 42, and the output gear 43 is in transmission connection with the reaming drill.

From the above description, when the flange hole is reamed, the motor of the magnetic drill 3 is started, so that the output shaft of the magnetic drill 3 drives the driving gear 41 to rotate, the driving gear 41 rotates to drive the transition gear 42 to rotate, the transition gear 42 rotates to drive the output gear 43 to rotate, and further the rotation of the output gear 43 drives the reaming drill to rotate. Finally, an operator can operate the handle on the magnetic drill chuck 3 to enable the motor of the magnetic drill chuck 3 to move along the track on the magnetic drill chuck 3, namely, the reaming drill on the transmission gear set 4 moves towards the direction of the flange hole to be drilled and reams the flange hole.

Further, the connecting plate 2 is made of an iron plate.

As can be known from the above description, the connecting plate 2 is an iron plate, and can help the magnetic seat of the magnetic drill 3 to be directly adsorbed on the iron plate without other limitation conditions.

Example one

Referring to fig. 1 to 3, a flange reaming device includes a hoop base 1 detachably mounted on a short shaft of a flange, a connecting plate 2, a magnetic drill 3, and a transmission gear set 4; one end of the hoop seat 1 is circumferentially provided with a plurality of positioning threaded holes 5; the connecting plate 2 comprises a fixing bolt 21 and a mounting hole 22, the fixing bolt 21 penetrates through the mounting hole 22 to be in threaded connection with the positioning threaded hole 5, and a positioning groove 23 is formed in one end face of the connecting plate 2; the magnetic seat of the magnetic seat drill 3 is magnetically attracted in the positioning groove 23; the transmission gear set 4 is in transmission connection with a motor output shaft of the magnetic drill chuck 3, and a reaming drill is arranged at the output end of the transmission gear set 4.

Referring to fig. 1, the flange reaming device further includes a fine adjustment mechanism 6, where the fine adjustment mechanism 6 includes a fixed gear 61, a movable gear 62 and a rotating handle 63, and the fixed gear 61 is fixedly sleeved on a motor of the magnetic drill chuck 3; the movable gear 62 is meshed with the fixed gear 61, and the movable gear 62 is connected with the shell of the transmission gear set 4; the rotating handle 63 is in transmission connection with the movable gear 62. Be provided with on the shell of drive gear group 4 to the hole pilot lamp, the hole pilot lamp is used for assisting the reaming of drive gear group 4 to bore and aims at the flange hole.

Referring to fig. 1 and 2, a plurality of threaded through holes 11 are formed in the circumferential surface of the hoop base 1, and fastening bolts 7 are threadedly connected to the threaded through holes 11.

Referring to fig. 1 and 4, the transmission gear set 4 includes a driving gear 41, a transition gear 42 and an output gear 43 all rotatably disposed in a housing; the driving gear 41 is in transmission connection with an output shaft of the magnetic drill 3; the transition gear 42 is meshed with the driving gear 41; the output gear 43 is meshed with the transition gear 42, and the output gear 43 is in transmission connection with the reaming drill. The connecting plate 2 is made of an iron plate.

In summary, the present invention provides a flange reaming device, wherein a hoop base is hooped on a short shaft of a flange, a positioning threaded hole is corresponding to a flange hole of an upper flange, a connecting plate is in threaded connection with the positioning threaded hole, a transmission gear set is in transmission connection with an output shaft of a magnetic drill, the magnetic drill is then positioned in a positioning groove of the connecting plate, and a worker can observe and judge whether a reaming drill at an output end of the transmission gear set is aligned with the flange hole by turning on a hole aligning indicator. If the alignment is not achieved, the movable gear rolls on the fixed gear by rotating the rotating handle of the fine adjustment mechanism, so that the transmission gear set is driven to swing, and after the reaming drill is aligned with the flange hole, the flange at the position can be reamed by operating the magnetic drill. After the reaming of the flange hole is finished, the connecting plate is disassembled, the positioning threaded hole in threaded connection with the connecting plate is replaced, the installation angle of the transmission gear set is adjusted, and then other unmachined flange holes are reamed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.