CN212452861U

CN212452861U - Rotary support mounting seat

Info

Publication number: CN212452861U
Application number: CN202020631815.0U
Authority: CN
Inventors: 王建彭; 张磊; 杨杰; 黄传辉; 马海峰
Original assignee: Xuzhou Fenghe Slewing Bearing Co ltd
Current assignee: Xuzhou Fenghe Slewing Bearing Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-02
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a technical field is supported in the gyration, and discloses a mount pad is supported in gyration, including excavator casing, the last skin weld of casing has the lower ring, the last fixed surface of lower ring is connected with connects the ring, the last fixed surface who connects the ring is connected with the upper ring. This mount pad is supported in gyration, through the screw thread pivot that sets up, make the screw thread sleeve drive the vertical direction of connecting rod and remove, the connecting rod drives the bracing piece rotatory, and then play the contained angle scope between regulation bracing piece and the fender ring, the bracing piece drives fender cloth and metal catch slope, and then play and adjust the distance scope between fender cloth and the gyration support body, adaptable different radial gyration support body, make the distance between fender cloth and the gyration support body keep at 1-10cm, play and avoid in the big piece silt dust gets into the gap between gyration support and the mount pad body, influence normal use, the problem of breaking down easily, thereby reach the effect that reduces the device fault rate.

Description

Rotary support mounting seat

Technical Field

The utility model relates to a gyration supports technical field, specifically is a gyration supports mount pad.

Background

The digging machine is one of engineering machines, is the main mechanical equipment for digging earth and stone, and is widely applied to mechanized construction in various occasions, the slewing bearing system of the digging machine is the 'joint' of the machine, which is arranged between a rotary table and a lower platform and bears the upper part and the lower part, so that the upper part and the lower part can do relative slewing motion, and bear axial force, radial force and tipping moment, therefore, the reliable structural strength is an important factor for prolonging the service life of the digging machine. The excavator slewing bearing mounting seat in the prior art is formed by welding a bearing plate and a bearing ring, and due to the fact that a plurality of welding points exist, the flatness of a slewing bearing assembly surface is poor, and the service life of the excavator is affected due to the existence of welding defects. The general structure of the slewing bearing of the hydraulic excavator consists of an outer race and a toothed inner race, wherein the outer race is connected with a turntable through bolts, the toothed inner race is connected with an underframe through bolts, rolling bodies are arranged between the inner race and the outer race, and gears of the inner race are meshed with gears on a rotating shaft of a motor, so that the gears of the inner race play a vital role in the operation of a return mechanism of the excavator. However, the excavator mainly works outdoors, the working condition is quite bad, impurities such as sand particles and small stones are easy to damage or scratch the tooth surface of the slewing bearing, the service life of the slewing bearing is influenced, the failure rate is high, and frequent maintenance is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a slewing bearing mount pad possesses the reduction device fault rate advantage, has solved slewing bearing's life, and the fault rate is high, needs the problem of frequent maintenance.

(II) technical scheme

For the purpose of realizing above-mentioned reduction device fault rate, the utility model provides a following technical scheme: a rotary support mounting seat comprises an excavator shell, a lower seat ring is welded on the upper surface of the shell, the upper surface of the lower seat ring is fixedly connected with a connecting ring, the upper surface of the connecting ring is fixedly connected with an upper seat ring, the upper surface of the upper seat ring is provided with two fixed rods, a baffle ring is fixedly connected between the top ends of the two fixed rods, the upper surface of the baffle ring is hinged with four support rods, baffle cloth is fixedly connected between every two adjacent support rods, the outer surface of the baffle ring is fixedly connected with four mounting plates, the outer surface of the mounting plates is provided with a threaded rotating shaft in an inserting way, the outer surface of the threaded rotating shaft is connected with a threaded sleeve in a threaded manner, the outer surface of the threaded sleeve is hinged with a connecting rod, one end of the connecting rod, which is far away from the threaded sleeve, is hinged with the supporting rod, and a rotary supporting body is arranged inside the upper seat ring.

Preferably, a plurality of reinforcing ribs are fixedly connected between the upper seat ring and the lower seat ring.

Preferably, the lower surface of the upper seat ring is fixedly connected with two nuts, the insides of the two nuts are both in threaded connection with a threaded pin, and one end of the threaded pin penetrates through and extends to the outer side of the fixing rod.

Preferably, the outer surface of the blocking cloth is fixedly connected with a plurality of metal blocking pieces.

Preferably, the minimum distance between the rotary support body and the blocking cloth ranges from 1 cm to 10 cm.

Preferably, the lower seat ring, the connecting ring and the upper seat ring form an installation seat main body, and the installation seat main body is in a forged piece type.

(III) advantageous effects

Compared with the prior art, the utility model provides a mount pad is supported in gyration possesses following beneficial effect:

this mount pad is supported in gyration, when using, through the screw thread pivot that sets up, rotatory screw thread pivot, make the threaded sleeve drive the vertical direction of connecting rod and remove, the connecting rod drives the bracing piece rotation, and then play the contained angle scope between regulation bracing piece and the fender ring, the bracing piece drives fender cloth and metal catch slope, and then play and adjust the distance scope between fender cloth and the gyration support body, adaptable different radial gyration support body, make the distance that keeps between fender cloth and the gyration support body at 1-10cm, play and avoid in the big silt dust gets into the gap between gyration support and the mount pad body, influence normal use, the problem of easy trouble appears, thereby reach the effect that reduces the device fault rate.

Drawings

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

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is an enlarged view of the structure B in fig. 1 according to the present invention.

In the figure: the excavator support comprises an excavator shell 1, a lower seat ring 2, a connecting circular ring 3, an upper seat ring 4, a fixing rod 5, a retaining ring 6, a support rod 7, retaining cloth 8, a mounting plate 9, a threaded rotating shaft 10, a threaded sleeve 11, a connecting rod 12, a rotary support body 13, reinforcing ribs 14, nuts 15, threaded pins 16 and metal retaining pieces 17.

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.

Referring to fig. 1-3, a rotary support mounting seat comprises an excavator shell 1, a lower seat ring 2 is welded on the upper surface of the shell 1, a connecting ring 3 is fixedly connected on the upper surface of the lower seat ring 2, an upper seat ring 4 is fixedly connected on the upper surface of the connecting ring 3, two fixing rods 5 are arranged on the upper surface of the upper seat ring 4, a baffle ring 6 is fixedly connected between the top ends of the two fixing rods 5, four support rods 7 are hinged on the upper surface of the baffle ring 6, a baffle cloth 8 is fixedly connected between every two adjacent support rods 7, four mounting plates 9 are fixedly connected on the outer surface of the baffle ring 6, a threaded rotating shaft 10 is arranged on the outer surface of each mounting plate 9 in an inserting manner, a threaded sleeve 11 is connected on the outer surface of the threaded rotating shaft 10 in a threaded manner, a connecting rod 12 is hinged on the outer surface of the threaded sleeve 11, one, the inside of the upper seat ring 4 is provided with a rotary support body 13.

Furthermore, a plurality of reinforcing ribs 14 are fixedly connected between the upper seat ring 4 and the lower seat ring 2, so that the effect of improving the structural strength is achieved.

Further, the lower surface of the upper seat ring 4 is fixedly connected with two nuts 15, the inner parts of the two nuts 15 are all connected with a threaded pin 16 in a threaded manner, one end of the threaded pin 16 penetrates through and extends to the outer side of the fixing rod 5, and the effect of fixing the baffle ring 6 is achieved.

Furthermore, the outer surface of the baffle cloth 8 is fixedly connected with a plurality of metal baffle sheets 17, and the metal baffle sheets 17 are generally made of aluminum, so that the cost is low.

Furthermore, the minimum distance range between the rotary support body 13 and the blocking cloth 8 is 1-10cm, so that the problems that large blocks of silt and dust enter a gap between the rotary support and the mounting seat body to influence normal use and easily break down are avoided, and the effect of reducing the failure rate of the device is achieved.

Further, the lower seat ring 2, the connecting ring 3 and the upper seat ring 4 form an installation seat main body, the installation seat main body is in a forging type, and the forging type installation seat has more excellent bearing capacity and fatigue damage resistance than a welding type installation seat.

In conclusion, when the rotary support mounting seat is used, the thread rotating shaft 10 is rotated through the arranged thread rotating shaft 10, the thread sleeve 11 is made to drive the connecting rod 12 to move in the vertical direction, the connecting rod 12 drives the supporting rod 7 to rotate, the included angle range between the adjusting supporting rod 7 and the baffle ring 6 is further realized, the supporting rod 7 drives the baffle cloth 8 and the metal baffle 17 to incline, the distance range between the adjusting baffle cloth 8 and the rotary support body 13 is further realized, the rotary support mounting seat is suitable for rotary support bodies 13 with different radiuses, the distance between the baffle cloth 8 and the rotary support body 13 is kept between 1 cm and 10cm, the phenomenon that large silt and dust enters gaps between the rotary support and the mounting seat body is avoided, normal use is influenced, faults easily occur, and the effect of reducing the failure rate of the rotary support mounting seat is achieved.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

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 slewing bearing mount pad, includes excavator casing (1), its characterized in that: the upper surface of the casing (1) is welded with a lower seat ring (2), the upper surface of the lower seat ring (2) is fixedly connected with a connecting ring (3), the upper surface of the connecting ring (3) is fixedly connected with an upper seat ring (4), the upper surface of the upper seat ring (4) is provided with two fixing rods (5), a baffle ring (6) is fixedly connected between the top ends of the two fixing rods (5), the upper surface of the baffle ring (6) is hinged with four supporting rods (7), baffle cloth (8) is fixedly connected between every two adjacent supporting rods (7), the outer surface of the baffle ring (6) is fixedly connected with four mounting plates (9), the outer surface of each mounting plate (9) is provided with a threaded rotating shaft (10) in an inserting manner, the outer surface of the threaded rotating shaft (10) is connected with a threaded sleeve (11) in a threaded manner, and the outer surface of the threaded sleeve (11) is hinged with a, one end, far away from the threaded sleeve (11), of the connecting rod (12) is hinged to the supporting rod (7), and a rotary supporting body (13) is arranged inside the upper seat ring (4).

2. A slewing bearing mounting according to claim 1, characterised in that: a plurality of reinforcing ribs (14) are fixedly connected between the upper seat ring (4) and the lower seat ring (2).

3. A slewing bearing mounting according to claim 1, characterised in that: the lower surface of the upper seat ring (4) is fixedly connected with two nuts (15), the inner parts of the two nuts (15) are all in threaded connection with a threaded pin (16), and one end of the threaded pin (16) penetrates through and extends to the outer side of the fixing rod (5).

4. A slewing bearing mounting according to claim 1, characterised in that: the outer surface of the blocking cloth (8) is fixedly connected with a plurality of metal blocking pieces (17).

5. A slewing bearing mounting according to claim 1, characterised in that: the minimum distance between the rotary support body (13) and the blocking cloth (8) is 1-10 cm.

6. A slewing bearing mounting according to claim 1, characterised in that: the lower seat ring (2), the connecting circular ring (3) and the upper seat ring (4) form a mounting seat main body, and the mounting seat main body is in a forged piece type.