CN217966369U - Machining device for lower frame rotating platform of excavator - Google Patents

Abstract

The utility model discloses a frame rotary platform's processingequipment under excavator relates to excavator production and processing technology field, including the circular recess, the fixed first bearing that is equipped with in top of circular recess inner wall, the fixed interlude of inner circle of first bearing is equipped with the circular block, and the fixed positive motor that is equipped with in middle part of circular recess inner wall bottom, the beneficial effects of the utility model are that: to be placed on the top of brace table by the processing object, control is invertd electric hydraulic cylinder's output flexible regulation and is driven the pressure disk and adjust from top to bottom and will be pressed from both sides tightly by the processing object between brace table and pressure disk, the output shaft of control just reversal motor rotates and drives the round block and rotate, the round block drives the pivot through first drive belt when supporting bench pivoted and rotates, the pivot drives the cylindricality piece through second drive belt and rotates, the cylindricality piece drives the pressure disk through inverting electric hydraulic cylinder and rotates, brace table and pressure disk rotate simultaneously and drive the rotation of processing object, but provide angle regulation clamping function.

Description

Machining device for lower frame rotating platform of excavator

Technical Field

The utility model relates to a processingequipment, in particular to excavator lower frame rotary platform's processingequipment belongs to excavator production and processing technical field.

Background

The lower frame rotary platform is a key part of the excavator, and is combined with the left platform and the right platform to form an excavator rotary supporting platform, so that the upper weight of the excavator, such as an engine, a hydraulic pump, a hydraulic oil tank, a fuel tank, a counterweight and the like, is borne, and is also subjected to the working stress action of an excavator working device and a rotary supporting device, the stress condition is complex, and the working condition is severe, so that the overall performance of the excavator is directly influenced by the quality of the processing quality of the middle platform. The middle platform part is formed by assembling and welding different parts, planes and holes in multiple directions, such as a slewing bearing mounting surface, a slewing motor mounting hole, a lower end surface, a movable arm mounting lug plate hole and an inner side surface, a movable arm oil cylinder mounting lug plate hole and an inner side surface, of the middle platform, need to be machined after welding, and machining of all parts is required to be completed through one-time clamping, so that machining errors are reduced. Due to the influence of welding stress, the middle platform has deformation of different degrees, and certain difficulty is brought to machining. The existing machining tool for machining the middle platform can complete machining of all parts of the middle platform by clamping for a plurality of times, has low production efficiency, large machining allowance and low machining precision, and cannot meet the requirement of batch production, so that the machining device with the excavator lower frame rotary platform which is convenient to use in the existing market is also popularized and used;

wherein "excavator middle part platform processingequipment" that application number is disclosed as "CN201020239923.X" is also technology mature day by day, it "includes the bottom plate, a fixed base, positioning mechanism, a plurality of clamping mechanism, the fixed base middle part is equipped with the through-hole that corresponds with middle part platform slewing bearing installation face position, clamping mechanism sets up respectively in the fixed base both sides, positioning mechanism includes a plurality of locating pins, the locating piece, the locating seat, the mount, a plurality of locating pins are fixed the setting respectively around the fixed base, the locating piece sets up at the fixed base downside, the locating seat sets up respectively in the fixed base both sides, the mount sets up at the bottom plate other end. The clamping mechanism comprises a cushion block, a pressing plate and a locking screw rod, wherein two ends of the pressing plate are respectively pressed on the bottom surfaces of the cushion block and the middle platform, and the locking screw rod penetrates through the fixed seat and the pressing plate and is movably connected with the pressing plate. The utility model discloses press from both sides tightly stably, the location is accurate reliable, and the unilateral machining allowance of work piece is little, and the machining precision is high, can accomplish the processing at each position of middle part platform through a clamping, and production efficiency is high, and is with low costs, is suitable for batch production ", but the device still has following defect when in-service use.

1) The processing device of the existing excavator lower frame rotary platform can only be adjusted through manual re-fixation of workers when the clamping and angle fixing are adjusted, the better angle-adjustable clamping function is not convenient to provide, and the practicability and the working efficiency of the processing device of the excavator lower frame rotary platform are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frame rotary platform's processingequipment under excavator to the problem of the angle adjustable clamp function that is not convenient for provide better among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an excavator frame revolving platform's processingequipment down, includes the circular recess, the fixed first bearing that is equipped with in top of circular recess inner wall, the fixed circular block that alternates of inner circle of first bearing, the fixed positive motor that reverses that is equipped with in middle part of circular recess inner wall bottom, the output shaft of positive motor that reverses is connected with the fixed interlude in middle part of circular block bottom, the fixed brace table that is equipped with in top of circular block, the fixed cover in bottom of circular block is equipped with the support ring, the ring channel has all been seted up on the bottom of support ring and the top of circular recess, two roll between the ring channel and be equipped with a plurality of support ball, the bottom fixedly connected with C shape frame of circular recess, one side of C shape frame rotates through two secondary bearings and alternates and is equipped with the pivot, the top of circular block is connected with the bottom transmission of pivot through first drive belt, the middle part on C shape frame top rotates through the third bearing and alternates and is equipped with the back shaft, the bottom mounting of back shaft is equipped with the column block, the bottom of column block is connected with the top transmission of second drive belt with the top transmission of pivot, the bottom mounting of column block is equipped with electric hydraulic cylinder, the output is equipped with the fixed pressure disk of inverting, the electronic pneumatic cylinder of inverting, the side of polishing, the C shape inner wall is equipped with the equipment side of polishing.

Preferably, the equipment of polishing includes chute seat and drive assembly, the fixed avris that sets up at C shape frame inner wall of chute seat, the inside slip of chute seat is equipped with the slider, the fixed lift electric hydraulic cylinder that is equipped with in top of chute seat inner wall, lift electric hydraulic cylinder's output and the top fixed connection of slider, drive assembly sets up the one side at the slider.

Preferably, the driving assembly comprises a driving motor, the driving motor is fixedly arranged on one side of the sliding block, an installation block is fixedly sleeved on an output shaft of the driving motor, and a polishing disc is fixedly arranged on one side of the installation block.

Preferably, a lamp holder is fixedly arranged on the other side of the top end of the inner wall of the C-shaped frame, and an LED lamp bead is fixedly embedded in the bottom end of the lamp holder.

Preferably, the four corners of C shape frame bottom all are fixed and are equipped with the supporting leg, four the bottom of supporting leg all is fixed and is equipped with the universal wheel.

Preferably, a storage battery is fixedly arranged in the middle of the bottom end of the C-shaped frame.

Preferably, the fixed flush mounting plate that is equipped with in bottom of C shape frame avris, flush mounting plate's surface is equipped with just reversing motor control switch, inverts electric hydraulic cylinder control switch, lift electric hydraulic cylinder control switch, driving motor control switch and LED lamp pearl control switch respectively, just reverse the motor through just reversing motor control switch and battery electric connection, it is through inverting electric hydraulic cylinder control switch and battery electric connection to invert electric hydraulic cylinder, lift electric hydraulic cylinder passes through lift electric hydraulic cylinder control switch and battery electric connection, driving motor passes through driving motor control switch and battery electric connection, LED lamp pearl passes through LED lamp pearl control switch and battery electric connection.

Compared with the prior art, the utility model provides a pair of frame rotary platform's processingequipment under excavator has following beneficial effect:

1. the object to be processed is placed on the top of a supporting table, the output end of an inverted electric hydraulic cylinder set through control is adjusted to drive a pressure plate to adjust up and down to be fixed and clamped between the supporting table and the pressure plate, the output shaft of a motor controlling forward and reverse rotation drives a circular block to rotate, the circular block drives a rotating shaft to rotate through a first transmission belt when rotating to drive the supporting table to rotate, the rotating shaft drives a cylindrical block to rotate through a second transmission belt, the cylindrical block rotates to drive the pressure plate to rotate through the inverted electric hydraulic cylinder, the supporting table and the pressure plate rotate simultaneously to drive the object to be processed to rotate, the better angle-adjustable clamping function is convenient to provide, and the practicability and the work efficiency of the machining device of the lower frame rotary platform of the excavator are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of fig. 2B according to the present invention.

In the figure: 1. a circular groove; 2. a first bearing; 3. polishing equipment; 31. a chute seat; 32. a slider; 33. a lifting electric hydraulic cylinder; 4. a circular block; 5. a forward and reverse rotation motor; 6. a drive assembly; 61. a drive motor; 62. mounting a block; 63. grinding disc; 7. a support table; 8. a support ring; 9. an annular groove; 10. supporting the balls; 11. a C-shaped frame; 12. a rotating shaft; 13. a first drive belt; 14. a support shaft; 15. a cylindrical block; 16. a second drive belt; 17. a platen; 18. a lamp socket; 19. an LED lamp bead; 20. supporting legs; 21. a universal wheel; 22. a battery; 23. a switch panel; 24. a second bearing; 25. a third bearing; 26. and inverting the electric hydraulic cylinder.

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 work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the utility model provides a processing device of a lower frame rotary platform of an excavator, which comprises a circular groove 1, a first bearing 2 is fixedly arranged at the top of the inner wall of the circular groove 1, a circular block 4 is fixedly inserted and arranged on the inner ring of the first bearing 2, a forward and reverse rotation motor 5 is fixedly arranged at the middle of the bottom end of the inner wall of the circular groove 1, an output shaft of the forward and reverse rotation motor 5 is fixedly inserted and connected with the middle of the bottom end of the circular block 4, a support table 7 is fixedly arranged at the top end of the circular block 4, a support ring 8 is fixedly sleeved at the bottom of the circular block 4, annular grooves 9 are respectively arranged at the bottom end of the support ring 8 and the top end of the circular groove 1, a plurality of support balls 10 are arranged between the two annular grooves 9 in a rolling manner, a C-shaped frame 11 is fixedly connected with the bottom end of the circular groove 1, a rotating shaft 12 is inserted and arranged at one side of the C-shaped frame 11 in a rotating manner through two second bearings 24, the top end of the circular block 4 is connected with the bottom of the rotating manner through a first transmission belt 13, a middle of the top end of the C-shaped frame 11, a third bearing 25 is rotatably inserted and arranged with a support shaft 14, a column-shaped support shaft 15 is fixedly arranged at the bottom end of the column-shaped block 15, a bottom of the column-shaped transmission block 15, a bottom of the inverted transmission cylinder-shaped transmission device is arranged at the inverted-shaped frame 26, a hydraulic cylinder-shaped hydraulic cylinder 26, a inverted hydraulic cylinder-type hydraulic cylinder 26 is arranged at the inverted hydraulic cylinder 12, and arranged at the inner wall of the inverted hydraulic cylinder 12, and arranged at the inverted hydraulic cylinder 12, and fixed hydraulic cylinder 12, and a fixed hydraulic cylinder 26 is arranged at the inner wall of the inverted hydraulic cylinder 26;

a lamp holder 18 is fixedly arranged on the other side of the top end of the inner wall of the C-shaped frame 11, and an LED lamp bead 19 is fixedly embedded at the bottom end of the lamp holder 18;

four corners of the bottom end of the C-shaped frame 11 are respectively and fixedly provided with a supporting leg 20, and the bottom ends of the four supporting legs 20 are respectively and fixedly provided with a universal wheel 21;

the middle part of the bottom end of the C-shaped frame 11 is fixedly provided with a storage battery 22;

referring to fig. 1-4, the machining device for the lower frame rotating platform of the excavator further comprises a grinding device 3, the grinding device 3 comprises a chute seat 31 and a driving assembly 6, the chute seat 31 is fixedly arranged on the side of the inner wall of the C-shaped frame 11, a sliding block 32 is slidably arranged inside the chute seat 31, a lifting electric hydraulic cylinder 33 is fixedly arranged at the top end of the inner wall of the chute seat 31, the output end of the lifting electric hydraulic cylinder 33 is fixedly connected with the top end of the sliding block 32, and the driving assembly 6 is arranged on one side of the sliding block 32;

a switch panel 23 is fixedly arranged at the bottom of the side of the C-shaped frame 11, a forward and reverse rotation motor control switch, an inverted electric hydraulic cylinder control switch, a lifting electric hydraulic cylinder control switch and an LED lamp bead control switch are respectively arranged on the surface of the switch panel 23, a forward and reverse rotation motor 5 is electrically connected with a storage battery 22 through the forward and reverse rotation motor control switch, an inverted electric hydraulic cylinder 26 is electrically connected with the storage battery 22 through the inverted electric hydraulic cylinder control switch, a lifting electric hydraulic cylinder 33 is electrically connected with the storage battery 22 through the lifting electric hydraulic cylinder control switch, and an LED lamp bead 19 is electrically connected with the storage battery 22 through the LED lamp bead control switch;

specifically, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the output end of the lifting electric cylinder 33 is controlled by the lifting electric cylinder control switch on the switch panel 23 to be adjusted in a telescopic manner to drive the sliding block 32 to adjust up and down, and the sliding block 32 is adjusted up and down to drive the driving assembly 6 to adjust up and down through sliding fit with the sliding groove seat 31.

Example 2:

the driving assembly 6 comprises a driving motor 61, the driving motor 61 is fixedly arranged on one side of the sliding block 32, an output shaft of the driving motor 61 is fixedly sleeved with an installation block 62, and one side of the installation block 62 is fixedly provided with a polishing disc 63;

a switch panel 23 is fixedly arranged at the bottom of the side of the C-shaped frame 11, a driving motor control switch is arranged on the surface of the switch panel 23, and a driving motor 61 is electrically connected with the storage battery 22 through the driving motor control switch;

specifically, as shown in fig. 1, 2, and 4, the slide block 32 is adjusted up and down and drives the driving motor 61, the mounting block 62, and the polishing disc 63 to adjust up and down, after the polishing disc 63 is adjusted to a closed working height, the driving motor control switch on the switch panel 23 controls the output shaft of the driving motor 61 to rotate to drive the polishing disc 63 to rotate, and the polishing disc 63 rotates to polish the object to be processed.

The working principle is as follows: when the processing device is used, firstly, the processing device of the lower frame rotary platform of the excavator is placed at a corresponding working position, then whether all parts of the processing device of the lower frame rotary platform of the excavator work normally is checked, whether the electric quantity of the storage battery 22 is sufficient is checked and confirmed, and the processing device can be used after the checking is finished, when the processing device is used, a processed object is placed at the top end of the supporting table 7, the output end of the lifting electric hydraulic cylinder 33 is controlled by the lifting electric hydraulic cylinder control switch on the switch panel 23 to be adjusted up and down, the slide block 32 is adjusted up and down by sliding matching with the chute seat 31 to drive the driving component 6 to be adjusted up and down, the slide block 32 drives the driving motor 61, the mounting block 62 and the polishing disc 63 to be adjusted up and down while being adjusted up and down, after the polishing disc 63 is adjusted to a working height, the position of a processed object to be polished is contacted with one side of a polishing disc 63, the output shaft of a driving motor 61 is controlled to rotate by a driving motor control switch on a switch panel 23 to drive the polishing disc 63 to rotate, the polishing disc 63 rotates to polish the processed object, the output end of an inverted electric hydraulic cylinder 26 controlled and arranged by an inverted electric hydraulic cylinder control switch on the switch panel 23 is telescopically adjusted to drive a pressure disc 17 to be vertically adjusted to fixedly clamp the processed object between a support table 7 and the pressure disc 17, the output shaft of a forward and reverse motor 5 is controlled to rotate by a forward and reverse motor control switch on the switch panel 23 to drive a circular block 4 to rotate, the circular block 4 rotates to drive the support table 7 to rotate and simultaneously drive a rotating shaft 12 to rotate by a first transmission belt 13, and the rotating shaft 12 rotates to drive a cylindrical block 15 to rotate by a second transmission belt 16, cylindrical block 15 rotates and drives pressure disk 17 through inversion electric hydraulic cylinder 26 and rotates, and brace table 7 rotates with pressure disk 17 simultaneously and drives the object of being processed and rotate, and the turned angle of control just reversing motor 5 output shaft is within plus-minus three hundred sixty degrees, is convenient for provide better angle modulation clamping function, has improved excavator lower carriage rotary platform's processingequipment's practicality and work efficiency.

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 (7)

1. The machining device of the excavator lower frame rotary platform comprises a circular groove (1) and is characterized in that a first bearing (2) is fixedly arranged at the top of the inner wall of the circular groove (1), a circular block (4) is fixedly inserted into the inner ring of the first bearing (2), a forward and reverse rotating motor (5) is fixedly arranged in the middle of the bottom end of the inner wall of the circular groove (1), an output shaft of the forward and reverse rotating motor (5) is fixedly inserted into the middle of the bottom end of the circular block (4) to be connected, a supporting table (7) is fixedly arranged at the top end of the circular block (4), a supporting ring (8) is fixedly sleeved at the bottom of the circular block (4), ring grooves (9) are respectively formed in the bottom end of the supporting ring (8) and the top end of the circular groove (1), a plurality of supporting balls (10) are arranged between the two ring grooves (9) in a rolling mode, a C-shaped frame (11) is fixedly connected to the bottom end of the circular groove (1), a rotating shaft (12) is rotatably inserted into one side of the C-shaped frame (11) through two second bearings (24), a rotating shaft (14) is connected with a transmission belt (13), and a third bearing (14) is arranged at the bottom end of the supporting shaft (14), the bottom of cylindric piece (15) is passed through second driving belt (16) and is connected with the top transmission of pivot (12), the bottom mounting of cylindric piece (15) is equipped with inverts electric hydraulic cylinder (26), the output of inverting electric hydraulic cylinder (26) is fixed and is equipped with pressure disk (17), the avris of C shape frame (11) inner wall is equipped with equipment of polishing (3).

2. The processing device of the revolving platform of the lower frame of the excavator according to claim 1, wherein: grinding equipment (3) includes chute seat (31) and drive assembly (6), the fixed avris that sets up at C shape frame (11) inner wall in chute seat (31), the inside slip of chute seat (31) is equipped with slider (32), the fixed lift electric hydraulic cylinder (33) that is equipped with in top of chute seat (31) inner wall, the output of lift electric hydraulic cylinder (33) and the top fixed connection of slider (32), drive assembly (6) set up the one side at slider (32).

3. The machining device of the lower frame rotating platform of the excavator as claimed in claim 2, wherein: drive assembly (6) include driving motor (61), driving motor (61) is fixed to be set up in one side of slider (32), the fixed cover of output shaft of driving motor (61) is equipped with installation piece (62), one side of installation piece (62) is fixed to be equipped with and beats mill dish (63).

4. The processing device of the revolving platform of the lower frame of the excavator according to claim 3, wherein: the LED lamp is characterized in that a lamp holder (18) is fixedly arranged on the other side of the top end of the inner wall of the C-shaped frame (11), and an LED lamp bead (19) is fixedly embedded in the bottom end of the lamp holder (18).

5. The processing device of the revolving platform of the lower frame of the excavator according to claim 1, wherein: four corners of the bottom end of the C-shaped frame (11) are fixedly provided with supporting legs (20), and four bottom ends of the supporting legs (20) are fixedly provided with universal wheels (21).

6. The processing device of the revolving platform of the lower frame of the excavator as claimed in claim 4, wherein: and a storage battery (22) is fixedly arranged in the middle of the bottom end of the C-shaped frame (11).

7. The processing device of the revolving platform of the lower frame of the excavator as claimed in claim 6, wherein: the fixed flush mounting plate of switch panel (23) that is equipped with in bottom of C shape frame (11) avris, the surface of flush mounting plate of switch (23) is equipped with just reversing motor control switch respectively, inverts electric hydraulic cylinder control switch, lift electric hydraulic cylinder control switch, driving motor control switch and LED lamp pearl control switch, just reverse motor (5) are through just reversing motor control switch and battery (22) electric connection, invert electric hydraulic cylinder (26) through invering electric hydraulic cylinder control switch and battery (22) electric connection, lift electric hydraulic cylinder (33) are through lift electric hydraulic cylinder control switch and battery (22) electric connection, driving motor (61) are through driving motor control switch and battery (22) electric connection, LED lamp pearl (19) are through LED lamp pearl control switch and battery (22) electric connection.

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