CN218137286U

CN218137286U - Accurate grinding clamp for assembling back arc of turbine blade

Info

Publication number: CN218137286U
Application number: CN202221952716.8U
Authority: CN
Inventors: 王正然
Original assignee: Shanghai Xiaoxiao Hardware Co ltd
Current assignee: Shanghai Xiaoxiao Hardware Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-27
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a fine grinding clamp for assembling back arc of turbine blade, relating to the technical field of clamps and comprising a base with a plurality of mounting holes, wherein the top end of the base is fixed with a fixed outer rod, the inside of the fixed outer rod is slidably provided with a movable inner rod, and the outside of the movable inner rod is provided with a clamping mechanism; clamping mechanism is including articulating the semicircle outer pole on the pole lateral wall in the activity, the inboard slip of semicircle outer pole is provided with the arc in the setting of two symmetries, this steam turbine blade assembles the correct grinding anchor clamps of back arc, be different from prior art, utilize clamping mechanism, through starting double-shaft motor, and then make two syntropies of two bevel gears rotate, and the effect of cooperation a plurality of parts, and then make the grip block that the pole can drive all to connect in two arcs carry out the activity to relatively, and can carry out the centre gripping to its interior back arc type blade fixed, improve the fixed efficiency of centre gripping greatly, it is comparatively convenient to use.

Description

Accurate grinding clamp for assembling back arc of turbine blade

Technical Field

The utility model relates to an anchor clamps technical field specifically is a correct grinding anchor clamps of steam turbine blade assembly back arc.

Background

In the steam turbine blade, certain assembled inner and back arc type blades are difficult to guarantee design requirements due to manufacturing tolerances for certain reasons in the milling process, so that subsequent assembly quality is influenced, the blades are required to be subjected to high-precision grinding in the subsequent processing, and therefore the steam turbine blade is required to be fixed by a clamp.

At present, the accurate grinding anchor clamps of current steam turbine blade assembly back arc, inconvenient carrying out the centre gripping fixed to interior back arc type blade leads to using comparatively inconveniently, and secondly, inconvenient angle and the height to the interior back arc type blade after the centre gripping is fixed are adjusted, lead to unable satisfying different angles and the not suitable demand of processing under the same height, and application scope is limited, and for this reason we provide an accurate grinding anchor clamps of steam turbine blade assembly back arc.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine blade assembles accurate grinding anchor clamps of back of body arc 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: a fine grinding clamp for assembling back arcs of turbine blades comprises a base with a plurality of mounting holes, wherein a fixed outer rod is fixed at the top end of the base, a movable inner rod is arranged inside the fixed outer rod in a sliding mode, and a clamping mechanism is arranged on the outer side of the movable inner rod;

clamping mechanism is including articulating the semicircle outer pole on the pole lateral wall in the activity, the inboard slip of semicircle outer pole is provided with the arc in two symmetry settings, the equal rigid coupling of the opposite direction's in the equal rigid coupling of one end has the grip block in two arcs, the equal rigid coupling in the outside of the pole has a plurality of teeth, the removal passageway with a plurality of teeth matched with has all been seted up in the outside of semicircle outer pole, the outside of a plurality of teeth all meshes and is connected with drive gear, equal rigid coupling has the pivot in drive gear's the mounting shaft hole, the pivot is all rotated through the bearing frame and is connected on the U-shaped plate, the bottom at semicircle outer pole is fixed to the U-shaped plate, the equal rigid coupling in bottom of pivot has bevel gear one, bevel gear one's below all meshes and is connected with bevel gear two, be fixed with the biax motor on the inboard diapire of U-shaped plate, the both ends output shaft of biax motor all runs through to the outside of U-shaped plate, and link to each other with the installation shaft hole of corresponding bevel gear two, be connected with adjustment mechanism between the pole in the top of biax motor and the activity.

Preferably, a connecting block is fixed on one side wall of the movable inner rod, the bottom end of the connecting block is connected with the telescopic end of the electric push rod, the electric push rod is fixed on the outer side of the fixed outer rod, the electric push rod is started, the movable inner rod connected with the connecting block can be further pushed, and the movable inner rod can slide and ascend inside the fixed outer rod.

Preferably, the inside of the semi-arc outer rod is provided with an arc-shaped cavity which is convenient for the two arc inner rods to slide, the arc-shaped cavities are communicated with the outside through moving channels, and the arc-shaped cavities and the moving channels passing through the arc-shaped cavities can be seen in the attached drawings.

Preferably, the adjusting mechanism comprises a hand-screwing screw rod rotatably connected to the top end of the movable inner rod, a movable block is connected to the outer side of the hand-screwing screw rod in a screw transmission mode, and the hand-screwing screw rod is rotated manually, so that the movable block in screw connection can move up or down on the outer side of the hand-screwing screw rod.

Preferably, the outside of movable block articulates there is the hinge bar, and the bottom of hinge bar articulates on double-shaft motor's top, and the movable block can twist the screw rod outside in the hand and move up or move down the time, and the effect of cooperation hinge bar, and then make double-shaft motor's angle adjust, because double-shaft motor fixes on the U-shaped board, and then drives the interior back of the body arc type blade that it was fixed to centre gripping and carries out the regulation of angle.

Preferably, a rotating handle is fixed to a tip of the hand screw, and the rotating handle is provided to facilitate manual rotation of the hand screw.

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

1. by utilizing the clamping mechanism, the two bevel gears rotate in the same direction by starting the double-shaft motor, and the two bevel gears are matched with the action of a plurality of parts, so that the two arc inner rods can drive the clamping plates which are connected with each other to move in the opposite direction, and the inner and back arc type blades can be clamped and fixed, thereby greatly improving the clamping and fixing efficiency and being more convenient to use;

2. the adjusting mechanism is utilized, the hand-screwed screw rod is rotated by rotating the hand handle, so that the movable block can move up or down on the hand-screwed screw rod, and the angle of the double-shaft motor can be changed by combining the action of the hinge rod, so that the angle of the inner and back arc type blades clamped on the double-shaft motor can be changed, the use requirements of fine grinding at different angles can be met, and the application range is wide;

3. utilize electric putter, and then can conveniently promote or stimulate the activity interior pole that the connecting block is connected, and then can conveniently adjust the height of clamping mechanism above that, and then make the height of the interior back of the body arc type blade of centre gripping above that can change, can satisfy the not user demand that highly carries out the correct grinding processing down, application scope is wider.

Drawings

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

FIG. 2 is a schematic structural view of each component of the adjusting mechanism of the present invention;

fig. 3 is a schematic structural view of each component in the clamping mechanism of the present invention.

In the figure: 1. a base; 2. fixing the outer rod; 21. a movable inner rod; 3. a clamping mechanism; 301. a semicircular arc outer rod; 302. an arc inner rod; 303. teeth; 304. a transmission gear; 305. a rotating shaft; 306. a first bevel gear; 307. a second bevel gear; 308. a double-shaft motor; 309. a clamping plate; 4. an adjustment mechanism; 401. screwing the screw rod by hand; 402. a movable block; 403. a hinged lever; 5. an electric push rod; 51. and (7) connecting the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fine grinding clamp for assembling back arcs of turbine blades comprises a base 1 with a plurality of mounting holes, wherein a fixed outer rod 2 is fixed at the top end of the base 1, a movable inner rod 21 is arranged inside the fixed outer rod 2 in a sliding mode, and a clamping mechanism 3 is arranged on the outer side of the movable inner rod 21; clamping mechanism 3 is including articulating the outer pole 301 of semicircle on the outer lateral wall of the pole 21 in the activity, the inboard slip of outer pole 301 of semicircle is provided with the arc in the pole 302 that two symmetries set up, the equal rigid coupling of one end of the opposite direction of the pole 302 in two arcs has grip block 309, the equal rigid coupling in the outside of the pole 302 in two arcs has a plurality of teeth 303, the removal passageway with a plurality of teeth 303 matched with is all seted up in the outside of outer pole 301 of semicircle, the outside of a plurality of teeth 303 all meshes and is connected with drive gear 304, the equal rigid coupling in the mounting shaft hole of drive gear 304 has pivot 305, pivot 305 all rotates through the bearing frame and connects on the U-shaped plate, the U-shaped plate is fixed in the bottom of outer pole 301 of semicircle, the equal rigid coupling in bottom of pivot 305 has bevel gear one 306, bevel gear two 307 are all meshed under bevel gear 306, be fixed with double-shaft motor 308 on the inboard diapire of U-shaped plate, the output shaft motor 308 both ends all run through to the outside of U-shaped plate, and link to each other with the installation of the bevel gear two corresponding shaft holes, the arc in the installation of half arc outer pole 301 of semicircle is offered and is linked together in the arc chamber, the arc chamber of arc, the arc is carried out and is moved the arc chamber and is seen through the arc chamber and is linked together through the arc passageway.

Be fixed with connecting block 51 on one lateral wall of pole 21 in the activity, the bottom of connecting block 51 links to each other with electric putter 5's flexible end, and electric putter 5 fixes in the outside of fixed outer pole 2, starts electric putter 5, and then can promote pole 21 in the activity that connecting block 51 is connected, and then make pole 21 in the activity slide and rise in fixed outer pole 2 inside.

Be connected with adjustment mechanism 4 between the top of biax motor 308 and the activity interior pole 21, adjustment mechanism 4 is including rotating the hand screw rod 401 of connecting at activity interior pole 21 top, the outside screw drive that the hand screwed the screw rod 401 is connected with movable block 402, hand rotation hand screw rod 401, and then make the movable block 402 of screwed connection move up or move down in the hand screw rod 401 outside, the outside of movable block 402 articulates there is hinge bar 403, the bottom of hinge bar 403 articulates the top at biax motor 308, when movable block 402 can move up or move down in the hand screw rod 401 outside, and the effect of cooperation hinge bar 403, and then make the angle of biax motor 308 adjust, because biax motor 308 fixes on the U-shaped board, and then drive the interior back arc type blade of centre gripping fixed on it and carry out the regulation of angle, the top of hand screw rod 401 is fixed with the turning handle, the setting of turning handle, it is for convenience to carry out manual rotation to hand screw rod 401.

When the double-shaft motor 308 is started, two bevel gears 307 rotate, the bevel gears 307 can all drive the bevel gears 306 to rotate, the transmission gears 304 connected with the two rotating shafts 305 rotate in opposite directions, the transmission gears 304 are all meshed with arc inner rods 302 connected with a plurality of teeth 303, the two arc inner rods 302 can slide in the semi-arc outer rods 301, the two clamping plates 309 can move relatively, the inner back type blades are clamped and fixed, the electric push rod 5 is started, the height of the clamped inner back type blades can be conveniently adjusted, the hand-screwed screw rod 401 rotates through a rotating handle, the movable block 402 connected in a spiral mode can move upwards or downwards outside the hand-screwed screw rod 401 and is matched with the hinge rod 403, the angle of the double-shaft motor 308 is adjusted, the motor 308 is fixed on a U, the inner back type blades clamped and fixed on the motor 308 are driven to move upwards or downwards, and the application range of the double-shaft motor can be adjusted.

It should be noted that, in this document, 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fine grinding anchor clamps of turbine blade assembly back arc, includes base (1) that has a plurality of mounting holes, its characterized in that: a fixed outer rod (2) is fixed at the top end of the base (1), a movable inner rod (21) is arranged inside the fixed outer rod (2) in a sliding mode, and a clamping mechanism (3) is installed on the outer side of the movable inner rod (21);

clamping mechanism (3) including articulating semicircle outer pole (301) on the activity interior pole (21) lateral wall, the inboard slip of semicircle outer pole (301) is provided with pole (302) in the arc that two symmetries set up, the equal rigid coupling of the opposite direction one end of pole (302) in two arcs has grip block (309), the equal rigid coupling in the outside of pole (302) in two arcs has a plurality of teeth (303), the outside of semicircle outer pole (301) has all been seted up with a plurality of teeth (303) matched with removal passageway, the equal meshing in the outside of a plurality of teeth (303) is connected with drive gear (304), equal rigid coupling has pivot (305) in the mounting shaft hole of drive gear (304), pivot (305) all rotate through the bearing frame and connect on the U-shaped plate, the bottom at semicircle outer pole (301) is fixed to the U-shaped plate in the U-shaped plate, the equal rigid coupling in bottom of pivot (305) has bevel gear one (306), the below of bevel gear one (306) all meshes and is connected with two (307) bevel gear (307), be fixed with motor (308) on the inboard diapire of U-shaped plate, the output shaft hole of two shafts (308) and the movable interior pole (307) of the movable rod (21) are connected with the axis hole of double-axis adjusting mechanism (307).

2. The refining jig for a back arc of a steam turbine blade assembly according to claim 1, wherein: a connecting block (51) is fixed on one side wall of the movable inner rod (21), the bottom end of the connecting block (51) is connected with the telescopic end of the electric push rod (5), and the electric push rod (5) is fixed on the outer side of the fixed outer rod (2).

3. A turbine blade assembly back arc refining jig according to claim 1 wherein: the inside of semicircle outer pole (301) is seted up and is convenient for two arc inner poles (302) to carry out gliding arc chamber, and the arc chamber all is linked together through moving path and outside.

4. The refining jig for a back arc of a steam turbine blade assembly according to claim 1, wherein: the adjusting mechanism (4) comprises a hand-screwing screw rod (401) rotatably connected to the top end of the movable inner rod (21), and the outer side of the hand-screwing screw rod (401) is connected with a movable block (402) in a spiral transmission mode.

5. A turbine blade assembly back arc refining jig according to claim 4 wherein: the outer side of the movable block (402) is hinged with a hinged rod (403), and the bottom end of the hinged rod (403) is hinged with the top end of the double-shaft motor (308).

6. A turbine blade assembly back arc refining jig according to claim 4 wherein: a rotating handle is fixed at the top end of the hand-screwing screw rod (401).