CN218081058U

CN218081058U - Welding tool for machining steam turbine pipe fitting

Info

Publication number: CN218081058U
Application number: CN202220498636.3U
Authority: CN
Inventors: 杨春明; 王春江; 王英杰; 吴春芳; 王心雅
Original assignee: Jilin Zhongzhi Special Equipment Co ltd
Current assignee: Jilin Zhongzhi Special Equipment Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-12-20
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a welding frock for steam turbine pipe fitting processing, the on-line screen storage device comprises a base, the top of base is fixedly connected with the spud pile, it is provided with first commentaries on classics pipe to rotate to run through on the spud pile, the one end fixedly connected with first self-centering chuck of first commentaries on classics pipe, the circumference outer wall of first self-centering chuck evenly fixedly connected with a plurality of pull rods, the top sliding connection of base has the activity stake, the outer wall rotation of activity stake runs through and is provided with the second commentaries on classics pipe; the utility model discloses when using, pay two pipe fittings of treating the butt joint respectively through first self-centering chuck and second and carry out the centre gripping back, rotate the drive shaft through the hand wheel, can utilize the intermeshing drive lead screw of first bevel gear and second bevel gear to rotate, then utilize the cooperation drive slider and the activity stake of lead screw and movable block to drive the second from the self-centering chuck to first self-centering chuck removal, can treat the spacing distance of butt joint pipe fitting to two and finely tune easy operation convenience.

Description

Welding tool for machining steam turbine pipe fitting

Technical Field

The utility model relates to a welding frock specifically is a welding frock for steam turbine pipe fitting processing.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants.

The pipe fitting of steam turbine is at welding process red, can use the frock to fix a position two pipe fittings that wait to dock usually, but the current welding frock is in the in-process of carrying out the butt joint location to two pipe fittings, is not convenient for adjust the spacing distance of pipe fitting tip, remains to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding frock for steam turbine pipe fitting processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a welding frock for steam turbine pipe fitting processing, the second runner is taken turns to the one end fixedly connected with second of first runner from the centering chuck, it is coaxial setting first from centering chuck and first from the centering chuck, the outer wall threaded connection of spud pile has the hand to twist the bolt, the top of base and the corresponding department of activity stake run through and are provided with the activity groove, the inner wall sliding connection in activity groove has the slider, the bottom of activity stake and the top fixed connection of slider, install actuating mechanism on the base, actuating mechanism is connected with the slider transmission.

As a further aspect of the present invention: the actuating mechanism includes the lead screw of being connected with the inner wall rotation of base, the outer wall threaded connection of lead screw has the movable block, the top and the slider fixed connection of movable block, the outer wall rotation of base runs through and is provided with the drive shaft, the drive shaft is located the outer one end fixedly connected with hand wheel of base, the drive shaft is connected with the lead screw transmission.

As a further aspect of the present invention: one end of the driving shaft, which is positioned in the base, is fixedly connected with a second bevel gear, one end of the screw rod is fixedly connected with a first bevel gear, and the first bevel gear is meshed with the second bevel gear.

As a further aspect of the present invention: the inside of spud pile has been seted up with the department that corresponds of first commentaries on classics pipe and has been accomodate the groove, it is provided with the clutch blocks to accomodate the inslot activity, the bottom of clutch blocks is laminated mutually with the circumference outer wall of first commentaries on classics pipe, the screw thread end that the bolt was twisted to the hand lies in and accomodates the inslot behind the outer wall that runs through the spud pile, the screw thread end that the bolt was twisted to the hand is towards the clutch blocks.

As the utility model discloses further scheme again: the hand is twisted threaded the threaded end of bolt and is seted up the blind hole, the inner wall sliding connection of blind hole has the guide arm, the one end that the guide arm is located outside the blind hole is connected with clutch blocks fixed connection, the outer wall cover of guide arm is equipped with the spring, the spring is located between hand is twisted bolt and the clutch blocks.

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

1. the utility model discloses when using, pay two pipe fittings of treating the butt joint respectively through first self-centering chuck and second and carry out the centre gripping back, rotate the drive shaft through the hand wheel, can utilize the intermeshing drive lead screw of first bevel gear and second bevel gear to rotate, then utilize the cooperation drive slider and the activity stake of lead screw and movable block to drive the second from the self-centering chuck to first self-centering chuck removal, can treat the spacing distance of butt joint pipe fitting to two and finely tune easy operation convenience.

2. The utility model discloses in, after adjusting two indirect distances of treating the pipe fitting of butt joint, advance fixedly through spot welding to two pipe fittings, later in welding process, accessible pull rod operation is first from the rotation of centering chuck to drive two pipe fittings and rotate simultaneously, need not to remove welder, can accomplish the circumference welding of pipe end, can improve welded work efficiency.

3. The utility model discloses in, through the setting of spring, when turning the hand and twisting the bolt, can adjust the hand and twist the interval angle between bolt and the clutch blocks, then the decrement of spring is adjusted to adjust the holding down force that the clutch blocks received, thereby adjust the rotation damping that first pivot received, thereby effectively improve through the first operation of self-centering chuck rotation of pull rod operation feel, and the operator's accessible of difference turns the hand and twists the bolt and adjust to required rotation damping, excellent in use effect.

Drawings

Fig. 1 is a schematic structural diagram of a welding tool for machining a steam turbine pipe fitting.

Fig. 2 is a schematic diagram of an internal structure of a base in a welding tool for machining a steam turbine pipe fitting.

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

Fig. 4 is an enlarged view of fig. 2 at B.

The self-centering device comprises a base 1, a fixed pile 2, a first rotating pipe 3, a first self-centering chuck 4, a pull rod 5, a hand-screwed bolt 6, a blind hole 7, an accommodating groove 8, a friction block 9, a guide rod 10, a spring 11, a movable pile 12, a second rotating pipe 13, a second self-centering chuck 14, a movable groove 15, a sliding block 16, a movable block 17, a sliding rod 18, a screw rod 19, a first bevel gear 20, a driving shaft 21, a second bevel gear 22 and a hand wheel 23.

Detailed Description

In order to make the technical problem, technical scheme and the beneficial effect that the utility model will solve clearer and more understand, will combine the embodiment below, it is right to the utility model discloses further detail explanation. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "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 for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third" 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" or "second" may explicitly or implicitly include one or more of that feature.

Please refer to fig. 1-4, in the embodiment of the utility model, a welding frock for steam turbine pipe fitting processing, the on-line screen storage device comprises a base 1, the top fixedly connected with spud pile 2 of base 1, it runs through and is provided with first runner 3 to rotate on spud pile 2, the first one end fixedly connected with of first runner 3 is first from centering chuck 4, first from a plurality of pull rods 5 of the even fixedly connected with of circumference outer wall of centering chuck 4, the top sliding connection of base 1 has a movable pile 12, the outer wall of movable pile 12 rotates and runs through and is provided with second runner 13, second runner 13 is towards the one end fixedly connected with second from centering chuck 14 of first runner 3, first from centering chuck 4 and first from centering chuck 4 are coaxial setting, the outer wall threaded connection of spud pile 2 has hand-screwed bolt 6, the top of base 1 runs through with movable pile 12's department of correspondence and is provided with movable groove 15, the inner wall sliding connection of movable groove 15 has slider 16, the bottom of movable pile 12 and the top fixed connection of slider 16, install actuating mechanism and drive block 16 on the base 1, actuating mechanism is connected with drive block 16.

Actuating mechanism includes the lead screw 19 of being connected with the inner wall rotation of base 1, the outer wall threaded connection of lead screw 19 has the movable block 17, the top and the slider 16 fixed connection of movable block 17, the outer wall rotation of base 1 runs through and is provided with drive shaft 21, drive shaft 21 is located the outer one end fixedly connected with hand wheel 23 of base 1, drive shaft 21 is connected with the transmission of lead screw 19.

One end of the driving shaft 21, which is positioned in the base 1, is fixedly connected with a second bevel gear 22, one end of the screw rod 19 is fixedly connected with a first bevel gear 20, and the first bevel gear 20 and the second bevel gear 22 are meshed with each other.

The driving shaft 21 is rotated through the hand wheel, the screw rod 19 can be driven to rotate by utilizing the mutual engagement of the first bevel gear 20 and the second bevel gear 22, and then the screw rod 19 and the movable block 17 are matched to drive the sliding block 16 and the movable pile 12 to drive the second self-centering chuck 14 to move towards the first self-centering chuck 4, so that the distance between two pipe fittings to be butted is finely adjusted.

The inside of spud pile 2 has been seted up with the department that corresponds of first runner 3 and has been accomodate groove 8, it is provided with clutch block 9 to accomodate the activity of 8 inslots, the bottom of clutch block 9 is laminated with the circumference outer wall of first runner 3 mutually, the screw thread end of bolt 6 is twisted to the hand is located after running through the outer wall of spud pile 2 and accomodates groove 8, the screw thread end of bolt 6 is twisted to the hand is towards clutch block 9.

The blind hole 7 is opened to the screw thread end of hand screwed bolt 6, the inner wall sliding connection of blind hole 7 has guide arm 10, the one end and the clutch blocks 9 fixed connection of guide arm 10 outside being located blind hole 7, the outer wall cover of guide arm 10 is equipped with spring 11, spring 11 is located between hand screwed bolt 6 and the clutch blocks 9.

Through spring 11's setting, when turning hand and twisting bolt 6, can adjust the hand and twist the interval angle between bolt 6 and the clutch blocks 9, then spring 11's decrement is adjusted, with the holding down force that adjusts the clutch blocks 9 and receive, thereby adjust the rotation damping that first commentaries on classics pipe 3 received, thereby effectively improve and handle through the first operation when 4 rotation of pull rod 5 operation are felt from centering chuck, and the operator's accessible of difference is turned hand and is twisted bolt 6 and adjust to required rotation damping, excellent in use effect.

The outer wall of the movable block 17 is located on two sides of the screw rod 19 and symmetrically provided with two sliding rods 18 in a penetrating mode, and two ends of each sliding rod 18 are fixedly connected with the inner wall of the base 1 through transition blocks.

The stability of the movement of the movable block 17 can be improved by the sliding fit of the slide bar 18 and the movable block 17.

The utility model discloses a theory of operation is:

the utility model discloses when using, pay two pipe fittings of treating the butt joint respectively through first from centering chuck 4 and second from centering chuck 14 and carry out the centre gripping back, rotate drive shaft 21 through the hand wheel, can utilize first bevel gear 20 and second bevel gear 22's intermeshing drive lead screw 19 to rotate, utilize lead screw 19 and movable block 17's cooperation drive slider 16 and activity stake 12 to drive the second from centering chuck 14 to first from centering chuck 4 removal then, can treat two and finely tune the spacing distance of pipe fittings, easy operation is convenient.

The utility model discloses in, after adjusting two indirect distances of treating the pipe fitting of butt joint, advance fixedly through spot welding to two pipe fittings, later in welding process, accessible pull rod 5 operates first from centering chuck 4 and rotates to drive two pipe fittings and rotate simultaneously, need not to remove welder, can accomplish the circumference welding of pipe end, can improve welded work efficiency.

The utility model discloses in, through the setting of spring 11, when turning hand and twisting bolt 6, can adjust the hand and twist the interval angle between bolt 6 and the clutch blocks 9, then the compression of spring 11 is adjusted, with the overdraft that adjusts the clutch blocks 9 and receive, thereby adjust the rotation damping that first runner 3 received, thereby effectively improve and handle through the first operation when 4 rotations from the centering chuck of pull rod 5 operation, and the different operator's accessible turns hand and twists bolt 6 and adjust to required rotation damping, excellent in use effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a welding frock for processing of steam turbine pipe fitting which characterized in that: including base (1), the top fixedly connected with spud pile (2) of base (1), it runs through and is provided with first commentaries on classics pipe (3) to rotate on spud pile (2), the one end fixedly connected with of first commentaries on classics pipe (3) is first from centering chuck (4), first from even fixedly connected with a plurality of pull rods of circumference outer wall (5) of centering chuck (4), the top sliding connection of base (1) has a spud pile (12), the outer wall of spud pile (12) rotates and runs through and is provided with second commentaries on classics pipe (13), second commentaries on classics pipe (13) is towards the one end fixedly connected with second of first commentaries on classics pipe (3) from centering chuck (14), first from centering chuck (4) and first from centering chuck (4) for coaxial setting, the outer wall threaded connection of spud pile (2) has hand to twist bolt (6), the top of base (1) runs through with the department of correspondence of spud pile (12) and is provided with activity groove (15), the inner wall sliding connection slider (16) of activity groove (15), the bottom of activity pile (12) and the top fixed connection slider (16) are installed drive mechanism (16) on the base, drive mechanism (1).

2. The welding tool for machining the steam turbine pipe fitting according to claim 1, wherein the welding tool comprises: actuating mechanism includes and rotates lead screw (19) of being connected with the inner wall of base (1), the outer wall threaded connection of lead screw (19) has movable block (17), the top and slider (16) fixed connection of movable block (17), the outer wall of base (1) rotates and runs through and is provided with drive shaft (21), drive shaft (21) are located base (1) outer one end fixedly connected with hand wheel (23), drive shaft (21) are connected with lead screw (19) transmission.

3. The welding tool for machining the steam turbine pipe fitting according to claim 2, characterized in that: one end, located in the base (1), of the driving shaft (21) is fixedly connected with a second bevel gear (22), one end of the screw rod (19) is fixedly connected with a first bevel gear (20), and the first bevel gear (20) and the second bevel gear (22) are meshed with each other.

4. The welding tool for machining the steam turbine pipe fitting according to claim 1, characterized in that: the inside of spud pile (2) has been seted up with the department that corresponds of first commentaries on classics pipe (3) and has been accomodate groove (8), it is provided with clutch block (9) to accomodate groove (8) internalization, the bottom of clutch block (9) is laminated with the circumference outer wall of first commentaries on classics pipe (3) mutually, the screw thread end of hand-tightening bolt (6) is located after running through the outer wall of spud pile (2) and is accomodate groove (8), the screw thread end of hand-tightening bolt (6) is towards clutch block (9).

5. The welding tool for machining the steam turbine pipe fitting according to claim 4, wherein the welding tool comprises: blind hole (7) have been seted up to the screw thread end of hand-operated bolt (6), the inner wall sliding connection of blind hole (7) has guide arm (10), guide arm (10) are located blind hole (7) outer one end and clutch blocks (9) fixed connection, the outer wall cover of guide arm (10) is equipped with spring (11), spring (11) are located between hand-operated bolt (6) and clutch blocks (9).