CN211340947U

CN211340947U - Swing frame structure on excavator

Info

Publication number: CN211340947U
Application number: CN201922093851.6U
Authority: CN
Inventors: 黄建社; 乔勋
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-25
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a thousand years frame structure on excavator relates to excavator apparatus field, including the steel member, the one end of steel member and the bottom fixed connection of horse-drawn head one end, the middle part of horse-drawn head inner wall bottom cup joints with the surface of screw sleeve one end, and the screw sleeve cup joints in the surface of screw fixed axle one end, and the bottom swing joint of screw sleeve and bearing is passed to the one end of screw fixed axle, the top of bearing and the middle part fixed connection of ARC fixed plate lower surface, the surface threaded connection of the one end and the seamless pipe of external screw thread of horse-drawn head. This thousand years frame structure on excavator through the connection of screw-thread fit and seamless pipe, inserts the pin in the inside of bolt hole on the seamless pipe, reaches additional strengthening's slight, sets up the spring, absorbs vibrations, shock-resistant purpose, has solved present thousand years frame intensity inadequately, and easy damage increases the number of times and the cost of maintenance excavator, delays the problem of excavator normal use progress.

Description

Swing frame structure on excavator

Technical Field

The utility model relates to an excavator apparatus technical field specifically is a thousand years frame structure on excavator.

Background

The bucket of the excavator is hinged to the front end of the bucket arm, the bucket is made to rotate around the joint through the stretching of the bucket oil cylinder, so that various actions in the excavating process are achieved, the bucket oil cylinder is connected with the bucket through the swing frame, and the various actions in the excavating process of the bucket are achieved through the swing frame by the bucket oil cylinder, so that the use performance of the excavator can be affected by the structural strength of the swing frame.

The swing frame is connected between a bucket and a bucket oil cylinder and mainly comprises two front shaft sleeves (commonly called swing lugs), a rear shaft sleeve (commonly called swing arm heads) and a connecting piece, wherein the two front shaft sleeves are coaxially arranged at intervals, the rear shaft sleeve and the two front shaft sleeves are parallelly and oppositely arranged, the connecting piece is connected between the two front shaft sleeves and the rear shaft sleeve, the two front shaft sleeves are pivotally connected with the bucket oil cylinder through a pin shaft, and the rear shaft sleeve is pivotally connected with the bucket through a pin shaft; the connecting piece is welded with the front shaft sleeve and the rear shaft sleeve, the existing connecting piece is generally an integrally formed casting piece or is formed by welding and assembling a plurality of steel plates, the overall strength and the bonding strength are low, and the connecting piece is easy to separate from the shaft sleeves and break.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model discloses try to overcome above defect, consequently the utility model provides a thousand years shelf structure on excavator to reached the intensity of fully strengthening thousand years shelf structure, made the excavator more stable at the in-process of work, the thousand years shelf of excavator one end is not fragile, guarantees the normal work of excavator, reduces the breakage rate that reduces thousand years shelf, thereby reduces the cost of maintaining thousand years shelf, can absorb the vibrations that produce in the excavator working process, the performance of excavator and life's effect has been strengthened.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a thousand years frame structure on excavator, includes the steel member, the bottom fixed connection of the one end of steel member and horse-drawn head one end, the middle part of horse-drawn head inner wall bottom cup joints with the surface of screw sleeve one end, the screw sleeve cup joints in the surface of screw fixed axle one end, the bottom swing joint of screw sleeve and bearing is passed to the one end of screw fixed axle, the top of bearing and the middle part fixed connection of arc fixed plate lower surface, the one end of horse-drawn head and the surface threaded connection of the seamless pipe of external screw thread.

One end of the steel member, which is far away from the puller, is fixedly connected with one side of the outer surface of the bucket ear, the top of one end of the bucket ear is fixedly connected with one end of the connecting rod, and the other end of the connecting rod is spliced with one end of the spring.

The further improvement lies in that: the top of one end of the puller is provided with a pin through a bolt hole, and the pin penetrates through the outer wall of the puller and is spliced with the external thread seamless pipe.

The further improvement lies in that: the bucket ear quantity is two, and two bucket ear symmetries set up in the both ends of steel member bottom to the bleeder port has all been seted up to one side of two bucket ears.

The further improvement lies in that: the quantity of connecting rod is two, and two connecting rods all peg graft in the inner circle of spring.

The further improvement lies in that: the middle part of one side of the puller is provided with an air hole, and the air hole penetrates through the outer wall of the puller.

The further improvement lies in that: the number of the external thread seamless pipes is two, and the two external thread seamless pipes are in threaded connection with the inner wall of the puller.

(III) advantageous effects

The utility model discloses possess following beneficial effect:

1. this thousand years frame structure on excavator through the connection of screw-thread fit and seamless pipe, inserts the pin in the inside of bolt hole on the seamless pipe, reaches additional strengthening's slight, sets up the spring, absorbs vibrations, shock-resistant purpose, has solved present thousand years frame intensity inadequately, and easy damage increases the number of times and the cost of maintenance excavator, delays the problem of excavator normal use progress.

2. This thousand autumn frame structure on excavator fully strengthens the intensity of thousand autumn frame structure, makes excavator more stable at the in-process of work, and the thousand autumn frame of excavator one end is not fragile, guarantees the normal work of excavator, reduces the breakage rate that reduces thousand autumn frame to reduce the cost of maintenance thousand autumn frame, can absorb the vibrations that produce in the excavator working process, strengthened the performance and the life of excavator.

Drawings

FIG. 1 is a three-dimensional schematic diagram of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic front view of the structure of the present invention;

fig. 4 is a right side view of the structure of the present invention.

In the figure: the device comprises a steel member 1, an external thread seamless pipe 2, a horse puller 3, air holes 4, pins 5, a thread bushing 6, a thread fixing shaft 7, an oil drainage hole 8, a connecting rod 9, a spring 10, a bucket ear 11, an arc fixing plate 12 and a bearing 13.

Detailed Description

According to the first aspect of the present invention, the present invention provides a fore-and-aft frame structure on an excavator, as shown in fig. 1-4, comprising a steel member 1, one end of the steel member 1 is fixedly connected with the bottom of one end of a horse-drawn head 3, a pin 5 is provided on the top of one end of the horse-drawn head 3 through a bolt hole, and the pin 5 is inserted into the external thread seamless tube 2 through the outer wall of the horse-drawn head 3, the number of the external thread seamless tubes 2 is two, the two external thread seamless tubes 2 are connected with the inner wall of the horse-drawn head 3 by screw threads, the two external thread seamless tubes 2 are engaged with the two ends inside the horse-drawn head 3 by screw threads, the strength of the horse-drawn head is increased, the fore-and-aft frame is not easy to damage, the strength of the fore-and-aft frame is increased by injecting the pin 5 through the bolt hole, the damage rate of the fore-and-, one end of the threaded fixing shaft 7 penetrates through the threaded sleeve 6 to be movably connected with the bottom of the bearing 13, the top of the bearing 13 is fixedly connected with the middle of the lower surface of the arc-shaped fixing plate 12, one end of the horse-drawn head 3 is in threaded connection with the outer surface of the external thread seamless pipe 2, the middle of one side of the horse-drawn head 3 is provided with the air hole 4, the air hole 4 penetrates through the outer wall of the horse-drawn head 3, and the air hole 4 is arranged on one side of the horse-drawn head 3, so that the internal meshing of the external thread seamless pipe 2 in the horse;

one end that steel member 1 kept away from horse pull head 3 and one side fixed connection of fighting ear 11 surface, fighting ear 11 quantity is two, two fight ear 11 symmetries set up in the both ends of steel member 1 bottom, and draining hole 8 has all been seted up to one side of two fight ears 11, set up draining hole 8 in one side of fighting ear 11, the inside butter of both ends fight ear 11 flows in the thousand years frame of being convenient for, increase the inside lubrication of fighting ear 11, and then make the excavator of excavator more easily work, the top of fighting ear 11 one end and the one end fixed connection of connecting rod 9, the quantity of connecting rod 9 is two, two connecting rod 9 all peg graft in the inner circle of spring 10, peg graft in the inboard of two fight ears 11 with spring 10 through two connecting rod 9, the vibrations in the effectual absorption excavator working process, the antidetonation effect is more obvious, the other end of connecting rod 9 is pegged graft with the one end of spring.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: during the use, be connected external screw thread seamless pipe 2 with horse pull head 3 with screw-thread fit, insert pin 5 in the one end at horse pull head top through the bolt hole, strengthen the intensity of structure more, screw thread fixed axle 7 rotates in the bottom of screw thread sleeve pipe 6, screw thread fixed axle 7 through the bearing 13 at top with arc fixed plate 12 jack-up that makes progress, further fix the inside part of horse pull head 3, set up spring 10 through connecting rod 9 in the middle of the ear 11 is fought to both sides, reduce the vibration range of excavator in the course of the work, the shock attenuation is antidetonation.

To sum up, this thousand years frame structure on excavator through the connection of screw-thread fit with the seamless pipe, inserts the pin in the inside of bolt hole on the seamless pipe, reaches the slight of additional strengthening, sets up the spring, absorbs vibrations, antidetonation purpose, has solved present thousand years frame intensity inadequately, easily damages, increases the number of times and the cost of maintenance excavator, hinders the problem of excavator normal use progress.

In addition, the strength of the swing frame structure on the excavator is fully enhanced, the excavator is more stable in the working process, the swing frame at one end of the excavator is not easy to damage, the normal work of the excavator is guaranteed, the breakage rate of the swing frame is reduced, the cost for maintaining the swing frame is reduced, the vibration generated in the working process of the excavator can be absorbed, and the use performance and the service life of the excavator are enhanced.

Claims

1. The utility model provides a thousand years frame construction on excavator, includes steel member (1), its characterized in that: one end of the steel member (1) is fixedly connected with the bottom of one end of the puller head (3), the middle of the bottom of the inner wall of the puller head (3) is sleeved with the outer surface of one end of the threaded sleeve (6), the threaded sleeve (6) is sleeved on the outer surface of one end of the threaded fixing shaft (7), one end of the threaded fixing shaft (7) penetrates through the threaded sleeve (6) to be movably connected with the bottom of the bearing (13), the top of the bearing (13) is fixedly connected with the middle of the lower surface of the arc-shaped fixing plate (12), and one end of the puller head (3) is in threaded connection with the outer surface of the external thread seamless pipe (2);

one end of the steel member (1) far away from the puller (3) is fixedly connected with one side of the outer surface of the bucket ear (11), the top of one end of the bucket ear (11) is fixedly connected with one end of the connecting rod (9), and the other end of the connecting rod (9) is inserted into one end of the spring (10).

2. The swing frame structure on excavator according to claim 1, characterized in that: the top of one end of the puller (3) is provided with a pin (5) through a bolt hole, and the pin (5) penetrates through the outer wall of the puller (3) and is connected with the external thread seamless pipe (2) in an inserting mode.

3. The swing frame structure on excavator according to claim 1, characterized in that: hopper ear (11) quantity is two, and two hopper ears (11) symmetry set up in the both ends of steel member (1) bottom to bleeder vent (8) have all been seted up to one side of two hopper ears (11).

4. The swing frame structure on excavator according to claim 1, characterized in that: the number of the connecting rods (9) is two, and the two connecting rods (9) are inserted into the inner ring of the spring (10).

5. The swing frame structure on excavator according to claim 1, characterized in that: the middle part of one side of the puller (3) is provided with an air hole (4), and the air hole (4) penetrates through the outer wall of the puller (3).

6. The swing frame structure on excavator according to claim 1, characterized in that: the number of the external thread seamless pipes (2) is two, and the two external thread seamless pipes (2) are in threaded connection with the inner wall of the puller (3).