CN217072223U - Fork arm supporting structure for dismounting pin shaft of ladle turret - Google Patents

Abstract

The utility model relates to a ladle turret round pin axle is demolishd and is used yoke bearing structure relates to steelmaking connection casting machine ladle revolving parts and changes technical field, and it includes ladle turret, support post and locates the jack of support post bottom, support post is located the yoke bottom of ladle turret, support post's top sliding connection has two edges the splint of support post centrosymmetry, still be equipped with on the support post and be used for driving two the drive assembly that splint slided relatively. This application has the effect that increases the yoke steadiness, improves the efficiency of round pin axle dismouting.

Description

Fork arm supporting structure for dismounting pin shaft of ladle turret

Technical Field

The application relates to the technical field of steel ladle turret component replacement of steel-making connection casting machines, in particular to a fork arm supporting structure for dismounting a pin shaft of a steel ladle turret.

Background

The equipment for carrying and supporting the steel ladle for pouring is generally arranged between a molten steel receiving span and a pouring span column and consists of six parts, namely a base, a rotary arm, a driving device, a rotary support, an accident driving control system, a lubricating system and an anchoring piece.

The Chinese patent with the application number of 202011250701.2 in the related technology provides a construction method for replacing a knuckle bearing and a pin shaft on the inner side of an upper crank of a ladle turret, the ladle turret revolves and stops at a waiting position, a first ladle lifting hydraulic cylinder and a second ladle lifting hydraulic cylinder are used for lifting a 1# fork arm and a 2# fork arm to a horizontal position, a first upper crank and a second upper crank of the ladle turret are firstly supported and fixed by using ejector rods of the first upper crank and the second upper crank, and then the 1# fork arm and the 2# fork arm are supported and fixed by using four supporting stand columns and four jacks; the four jacks are used for finely adjusting the positions of the 1# fork arm and the 2# fork arm up and down when the pin shaft is detached and installed, so that the first crank and the second crank are driven to finely adjust the pin shaft holes, and the pin shaft is more smoothly detached.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the four supporting columns and the four jacks are used for supporting the fork arms, the jacks are used for adjusting the upper positions and the lower positions of the fork arms, and the fork arms can slide on the supporting columns, so that the fork arms are unstable, the dismounting and mounting of the pin shafts are influenced, and the further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve when adjusting fork arm upper and lower position, the fork arm probably appears sliding, influences the problem of round pin axle dismouting, this application provides a ladle turret round pin axle demolishs and uses fork arm bearing structure.

The application provides a pair of ladle turret round pin axle is demolishd and is used yoke bearing structure adopts following technical scheme:

the utility model provides a ladle turret round pin axle is demolishd and is used yoke bearing structure, includes ladle turret, support post and locates the jack of support post bottom, the support post is located the yoke bottom of ladle turret, the top sliding connection of support post has two edges the splint of support post centrosymmetry, still be equipped with on the support post and be used for driving two the drive assembly that splint slided relatively.

Through adopting above-mentioned technical scheme, the splint that set up utilize two splint of drive assembly drive to be close to each other during the use and slide, can press from both sides the yoke tight until two splint to make the yoke more stable at the top of support post, the condition that slides appears in the minimize yoke, when making the dismouting round pin axle, the round pin axle hole aligns more easily, improves round pin axle dismouting efficiency.

Optionally, drive assembly includes driving medium and power spare, the driving medium include the driving gear with driving gear engaged with first rack and second rack, arbitrary the bottom of splint is close to the vertical head rod that is connected with of lateral wall of support post, another the bottom of splint is close to the vertical second connecting rod that is connected with of lateral wall of support post, the end of head rod is connected with first branch perpendicularly, first rack is located the top of first branch, the end of second connecting rod is connected with second branch perpendicularly, the second rack is located the bottom of second branch, the driving gear is located first rack with between the second rack, power spare is used for the drive the driving gear rotates.

Through adopting above-mentioned technical scheme, the driving gear and the first rack of driving gear meshing, the second rack of setting utilize power component drive driving gear to rotate during the use, at this moment, the first rack of setting can be toward the direction displacement that deviates from each other with the second rack to two splint that can effectual drive set up are close to the yoke displacement each other and press from both sides the yoke tight, simple structure, reliable effectively increase the steadiness of yoke, make round pin axle easy dismounting.

Optionally, the power part includes servo motor, the lateral wall of support post has set firmly the mounting bracket, servo motor connect in on the mounting bracket, just servo motor's output shaft is close to the lateral wall of support post, and with driving gear fixed connection.

Through adopting above-mentioned technical scheme, the servo motor of setting, servo motor and driving gear fixed connection start servo motor and can effectively drive the driving gear and rotate for relative motion under the drive of driving gear with first rack and the second rack of driving gear engaged with, toward the direction linear displacement who is close to each other or keeps away from, realize the drive to splint, utilize splint to press from both sides the yoke tight, easy operation.

Optionally, the end of the first rod far away from the first connecting rod and the end of the second rod far away from the second connecting rod are both fixedly connected with limiting blocks.

Through adopting above-mentioned technical scheme, the stopper of setting, when first rack and second rack relatively slide under the drive of driving gear, the stopper can the effectual distance of sliding of first rack of restriction and second rack, avoids the condition of first rack and second rack landing as far as possible for first rack and second rack are more stable when using, are convenient for drive two splint displacements, and are convenient, reliable.

Optionally, two one side that splint are close to each other is fixedly connected with abrasionproof pad, the length extending direction of abrasionproof pad with the length extending direction of splint is unanimous.

Through adopting above-mentioned technical scheme, the abrasionproof pad of setting, when two splint press from both sides the yoke tightly, utilizes the abrasionproof pad can increase the friction between splint and the yoke for two splint are more tight with the yoke clamp, and are more stable.

Optionally, two the bottom of splint sets firmly the guide block, the top of support post is seted up along its central symmetry and is supplied two the guide way that the guide block slided.

Through adopting above-mentioned technical scheme, the guide block and the guide way of setting, when two splint are close to each other or keep away from when sliding, the guide block can slide in the guide way to it is more firm when making two splint support post tops slide, can minimize two splint when pressing from both sides tight yoke, the condition of displacement appears, increases the reliability that splint used.

Optionally, the top ends of the first connecting rod and the second connecting rod are respectively and fixedly provided with a dovetail block, and the bottom of the clamping plate is provided with a dovetail groove for accommodating the dovetail block.

Through adopting above-mentioned technical scheme, the dovetail piece and the dovetail of setting, through with in the dovetail piece water smooth migration dovetail, thereby make the effectual bottom of connecting at splint of head rod and the second connecting rod that sets up, and can't take out head rod and second connecting rod from vertical direction, effectively realize the head rod, first branch, the installation of second connecting rod and second branch, when making the driving tooth rotate, can drive two splint and slide relatively, when need not use splint, also be convenient for follow the horizontal direction with head rod and second connecting rod and shift out, it is convenient to install and remove.

Optionally, the bottom of the supporting upright post is provided with a butt joint groove for the jack to butt against.

Through adopting above-mentioned technical scheme, the butt joint groove that sets up for the jack increases the area of contact between jack and the support post when using, makes the jack use more stably, is convenient for adjust the upper and lower position of yoke.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the clamping plate is used, the servo motor is utilized to drive the transmission gear to rotate, so that the first rack and the second rack are meshed with the transmission gear and slide in directions deviating from each other, the first supporting rod and the second supporting rod are effectively driven to relatively slide, the two clamping plates are driven, the fork arm is clamped by the clamping plate, the condition that the fork arm slides when the upper position and the lower position of the fork arm are adjusted is reduced as much as possible, and the stability of assembling and disassembling of the pin shaft is improved;

2. the stopper that sets up utilizes the stopper can avoid first rack and second rack relative slip as far as possible when, the condition of landing appears, and is effective spacing to first rack and second rack for when drive splint presss from both sides the yoke tightly, the structure is more reliable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram for showing the whole of the support column, the jack, the clamping plate and the driving assembly according to the embodiment of the application.

Reference numerals: 1. a ladle turret; 10. a yoke; 2. supporting the upright post; 3. a jack; 4. a splint; 40. an anti-wear pad; 5. a guide block; 50. a guide groove; 6. a transmission gear; 60. a servo motor; 61. a mounting frame; 7. a first rack; 70. a first connecting rod; 71. a first support bar; 8. a second rack; 80. a second connecting rod; 81. a second support bar; 9. a dovetail block; 90. a dovetail groove; 91. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a fork arm supporting structure for dismantling a pin shaft of a ladle turret, and the structure comprises a ladle turret 1, a supporting upright post 2 and a jack 3 arranged at the bottom of the supporting upright post 2, wherein in the embodiment, the bottom of the supporting upright post 2 is provided with a butt joint groove for the jack 3 to butt joint, so that the contact area between the jack 3 and the supporting upright post 2 is larger when the jack 3 is used, the shaking condition of the jack 3 when the jack is used is reduced as much as possible, the jack 3 is more stably used, the supporting upright post 2 is positioned at the bottom of a fork arm 10 of the ladle turret 1, and according to the use condition, four supporting upright posts 2 and four jacks 3 can be arranged at the bottom of the fork arm 10;

further when adjusting fork arm 10 upper and lower position in order to reduce, the phenomenon that slides appears in fork arm 10, consequently, there are two splint 4 along 2 centrosymmetric of support post 2 at the top sliding connection of support post 2, splint 4 be the rectangular plate setting, the welding of the bottom of two splint 4 has guide block 5, the guide way 50 that can make two guide block 5 slide is seted up along its centrosymmetric at the top of support post 2, the length extending direction of guide way 50 is unanimous with the width extending direction of support post 2, still be equipped with the drive assembly who is used for driving two splint 4 relative slips on the support post 2.

When the pin shaft is disassembled and assembled, the fork arm 10 is supported and fixed by the supporting upright post 2 and the jack 3, then the driving component drives the two clamping plates 4 to mutually approach and slide, at the moment, the guide block 5 can slide in the guide groove 50, thereby leading the clamping plates 4 to be more stable when sliding on the top of the supporting upright post 2, avoiding the situation of deviation until the two clamping plates 4 clamp the two side walls of the fork arm 10, and the side of the two clamping plates 4 close to each other is glued with an anti-abrasion pad 40, the length extending direction of the anti-abrasion pad 40 is consistent with that of the clamping plates 4, the friction force between the fork arms 10 and the clamping plates 4 is effectively increased, when the jack 3 is used for finely adjusting the upper position and the lower position of the fork arm 10, the clamping plate 4 can firmly clamp the fork arm 10, the stability of the fork arm 10 is increased, make the round pin shaft hole align more easily, during the dismouting of round pin axle, yoke 10 is more firm, improves round pin axle dismouting efficiency.

In the embodiment, the driving component comprises a driving part and a power part, the driving part comprises a first rack 7 and a second rack 8, the driving teeth 6 are meshed with the driving teeth 6, the bottom of any one of the clamping plates 4 is vertically connected with a first connecting rod 70 close to the side wall of the supporting upright post 2, the bottom of the other clamping plate 4 is vertically connected with a second connecting rod 80 close to the side wall of the supporting upright post 2, dovetail grooves 90 capable of accommodating the dovetail blocks 9 are formed in the bottoms of the two clamping plates 4, and dovetail blocks 9 are welded to the top ends of the first connecting rod 70 and the second connecting rod 80; in addition, the tail end of the first connecting rod 70 is perpendicularly connected with the first supporting rod 71, the first rack 7 is welded at the top of the first supporting rod 71, the tail end of the second connecting rod 80 is perpendicularly connected with the second supporting rod 81, the second rack 8 is welded at the bottom of the second supporting rod 81, so that the transmission gear 6 is located between the first rack 7 and the second rack 8, the arranged power part is used for driving the transmission gear 6 to rotate, the servo motor 60 is included, the side wall of the supporting upright post 2 is fixedly connected with an installation frame 61 through a bolt, the servo motor 60 is horizontally connected onto the installation frame 61, and the output shaft of the servo motor 60 is close to the side wall of the supporting upright post 2 and fixedly connected with the transmission gear 6.

When the dovetail block is used, the dovetail block 9 is horizontally connected in the dovetail groove 90 in a sliding manner, the first connecting rod 70 and the first supporting rod 71 are effectively connected to the bottom of any one of the clamping plates 4, the second connecting rod 80 and the second supporting rod 81 are connected to the bottom of the other clamping plate 4, then the servo motor 60 is started, the output shaft of the servo motor 60 drives the transmission gear 6 to rotate, and the first rack 7 and the second rack 8 which are meshed with the transmission gear 6 generate relative motion at the moment, so that the first rack and the second rack move towards the direction of mutual approach, and the two clamping plates 4 are further driven to approach each other; at this time, the guide block 5 slides in the guide groove 50, the stability of the two clamping plates 4 is increased until the two clamping plates 4 clamp the fork arm 10, and the stability of the fork arm 10 is effectively increased, so that when the upper position and the lower position of the fork arm 10 are adjusted, the pin holes are aligned more easily.

Dovetail block 9 uses with dovetail 90 cooperation, make vertical direction can't take out head rod 70 and second connecting rod 80, when need not use support post 2 and jack 3, start servo motor 60, drive two splint 4 and keep away from each other and slide, horizontal direction can also dismantle head rod 70 and second connecting rod 80, it is also convenient to make first rack 7 and second rack 8 install and remove, and the one end that first branch 71 keeps away from head rod 70 and the one end that second connecting rod 80 is kept away from to second branch 81 all weld stopper 91, make when first branch 71 and second branch 81 keep away from each other and slide, avoid the circumstances of first branch 71 and second branch 81 direct landing from driving tooth 6 as far as possible, increase the security.

The implementation principle of the fork arm supporting structure for dismantling the pin shaft of the steel plate rotary table is as follows: utilize support post 2 and jack 3 to strut the yoke 10 of steel sheet revolving platform, start servo motor 60, servo motor 60 rotates and drives driving gear 6 rotatory, thereby effectively drive first rack 7 and get people's rack and be close to each other, further drive two splint 4 at support post 2 top and be close to each other, the effectual yoke 10 that presss from both sides tightly, adjust the upper and lower position of yoke 10 when jack 3, when round pin axle hole is aligned, the condition that slides can appear in the minimize yoke 10, make the round pin axle hole align more easily, increase the stability of yoke 10, improve round pin axle dismouting efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a ladle turret round pin axle is demolishd and is used yoke bearing structure which characterized in that: including ladle revolving platform (1), support post (2) and locate jack (3) of support post (2) bottom, support post (2) are located yoke (10) bottom of ladle revolving platform (1), the top sliding connection of support post (2) has two edges splint (4) of support post (2) centrosymmetry, still be equipped with on support post (2) and be used for driving two splint (4) the drive assembly that slides relatively.

2. The ladle turret pin shaft dismounting yoke support structure according to claim 1, wherein: the driving component comprises a driving part and a power part, the driving part comprises a driving gear (6) and a first rack (7) and a second rack (8) which are meshed with the driving gear (6), the bottom of the splint (4) is close to the side wall of the supporting upright post (2) and is vertically connected with a first connecting rod (70), the bottom of the splint (4) is close to the side wall of the supporting upright post (2) and is vertically connected with a second connecting rod (80), the tail end of the first connecting rod (70) is vertically connected with a first supporting rod (71), the first rack (7) is arranged at the top of the first supporting rod (71), the tail end of the second connecting rod (80) is vertically connected with a second supporting rod (81), the second rack (8) is arranged at the bottom of the second supporting rod (81), the driving gear (6) is arranged between the first rack (7) and the second rack (8), the power part is used for driving the transmission teeth (6) to rotate.

3. The ladle turret pin shaft dismounting yoke support structure as claimed in claim 2, wherein: the power part includes servo motor (60), the lateral wall of support post (2) has set firmly mounting bracket (61), servo motor (60) connect in on mounting bracket (61), just the output shaft of servo motor (60) is close to the lateral wall of support post (2), and with driving gear (6) fixed connection.

4. The ladle turret pin shaft dismounting yoke support structure as claimed in claim 2, wherein: one end of the first support rod (71) far away from the first connecting rod (70) and one end of the second support rod (81) far away from the second connecting rod (80) are fixedly connected with a limiting block (91).

5. The ladle turret pin shaft dismounting yoke support structure according to claim 1, wherein: two one side fixedly connected with abrasionproof pad (40) that splint (4) are close to each other, the length extending direction of abrasionproof pad (40) with the length extending direction of splint (4) is unanimous.

6. The ladle turret pin shaft dismounting yoke support structure according to claim 1, wherein: the bottom of two splint (4) has set firmly guide block (5), the top of support post (2) is seted up along its central symmetry and is supplied two guide way (50) that guide block (5) slided.

7. The ladle turret pin shaft dismounting yoke support structure as claimed in claim 2, wherein: the top ends of the first connecting rod (70) and the second connecting rod (80) are fixedly provided with dovetail blocks (9), and the bottom of the two clamping plates (4) is provided with dovetail grooves (90) used for containing the dovetail blocks (9).

8. The ladle turret pin shaft dismounting yoke support structure according to claim 1, wherein: and the bottom of the supporting upright post (2) is provided with a butt joint groove for butting the jack (3).

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