CN210031938U

CN210031938U - Shovel rod buffering and limiting structure for electric shovel

Info

Publication number: CN210031938U
Application number: CN201920786959.0U
Authority: CN
Inventors: 任晓丹; 唐晓明; 于琳琳
Original assignee: Inner Mongolia Technical College of Mechanics and Electrics
Current assignee: Inner Mongolia Technical College of Mechanics and Electrics
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-02-07
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses an electric shovel cushions limit structure with shovel pole, including shovel pole main part and first damping spring, the right-hand member outside of shovel pole main part is fixed with the stopper, and the outside of stopper is provided with the spacing groove to the connecting rod is installed in the outside of spacing groove, the right-hand member of shovel pole main part is connected with the connecting rod through first damping spring, and the right-hand member internally mounted of connecting rod has second damping spring, and second damping spring's inside nestification has the erection column, the right-hand member of erection column is fixed with the buffer board, the outside of connecting axle is run through the scraper bowl main part and is connected with the connecting rod, and the outside of connecting axle is fixed with first rotating gear. This shovel pole buffering limit structure for electric shovel is provided with stopper and spacing groove, makes shovel pole main part and connecting rod constitute sliding construction through setting up of stopper and spacing groove, and then makes shovel pole main part reduce external vibrations through a damping spring, avoids shovel pole main part impaired.

Description

Shovel rod buffering and limiting structure for electric shovel

Technical Field

The utility model relates to an electric shovel technical field specifically is an electric shovel cushions limit structure with shovel pole.

Background

The electric shovel is the used large-scale shovel material equipment when coal mining, the electric shovel makes between scraper bowl and the shovel pole mutually support through elevating system and rotary mechanism and reaches the purpose of shovel material, but the scraper bowl is when constantly reciprocating rotation carries out shovel material, because continuous accumulation of mechanical potential energy makes the scraper bowl cause great striking to the upper and lower side of shovel pole easily, and simultaneously, the scraper bowl also can produce certain impact force to the shovel pole when carrying out the shovel material downwards, if these impact forces can not be fine when using reduce, can lead to the fact the damage to the shovel pole in the past in the long term, and then influence the use of whole electric shovel, therefore we have just proposed the above problem of solution that the shovel pole buffering limit structure can be fine for the electric shovel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric shovel cushions limit structure with shovel pole to solve the problem that traditional shovel pole for electric shovel received the damage of scraper bowl and the use that can not be fine easily on the existing market that above-mentioned background art provided when using.

In order to achieve the above object, the utility model provides a following technical scheme: a shovel rod buffering and limiting structure for an electric shovel comprises a shovel rod main body and a first damping spring, wherein a limiting block is fixed on the outer side of the right end of the shovel rod main body, a limiting groove is formed in the outer side of the limiting block, a connecting rod is installed on the outer side of the limiting groove, the right end of the shovel rod main body is connected with the connecting rod through the first damping spring, a second damping spring is installed inside the right end of the connecting rod, an installation column is nested inside the second damping spring, a buffering plate is fixed on the right end of the installation column, the outer side of the connecting shaft penetrates through the shovel bucket main body to be connected with the connecting rod, a first rotating gear is fixed on the outer side of the connecting shaft, a second rotating gear is meshed on the left side of the first rotating gear, toothed plates are meshed on the upper side and the lower side of the second rotating gear, a rubber pad is fixed on the right end of each toothed plate, and the outside of slider is provided with the spout to the outside of spout is fixed with the connecting rod, the inside of connecting rod is seted up the drainage through-hole.

Preferably, the connecting rod passes through the spacing groove and constitutes sliding structure with the shovel pole main part, and the left end and the right-hand member of connecting rod are the opening form to connecting rod left end opening length is less than connecting rod right-hand member opening length, the leftmost side of spacing groove is not on same vertical plane with the leftmost side of connecting rod.

Preferably, the material of buffer board is the rubber material, and the buffer board look sideways at and be the arc to the peak of buffer board is higher than the peak of connecting rod, and the connected mode of buffer board and erection column is the bonding simultaneously.

Preferably, the diameter of the second rotating gear is larger than that of the first rotating gear, the transverse center line of the second rotating gear is on the same straight line with the transverse center line of the first rotating gear, and a space exists between the first rotating gear and the toothed plate.

Preferably, the tooth plates are provided in 2 numbers, and the 2 tooth plates are staggered with respect to a transverse center line of the second rotary gear.

Compared with the prior art, the beneficial effects of the utility model are that: the shovel rod buffering and limiting structure for the electric shovel;

(1) the shovel rod main body and the connecting rod form a sliding structure through the arrangement of the limiting block and the limiting groove, so that the external vibration is reduced through the shovel rod main body through the first damping spring, and the shovel rod main body is prevented from being damaged;

(2) the buffer cushion is fixed, and the buffer cushion made of rubber is matched with the mounting column, so that the buffer cushion made of rubber and the second damping spring reduce the vibration generated on the side edge of the connecting rod when the bucket rotates, the shovel rod main body is protected well in the same way, and the side edge of the shovel rod main body is prevented from being damaged;

(3) be fixed with first rotating gear and second rotating gear, the rotatory first rotating gear that drives through the scraper bowl main part rotates, and the rotation of first rotating gear drives the second rotating gear and rotates, makes the pinion rack of both sides carry out the antiport about the second rotating gear drives from this, and then makes the pinion rack of below remove right when scraper bowl main part is rotatory downwards and contradict spacingly to the scraper bowl main part, thereby avoid scraper bowl main part rotation angle to lead to the fact the damage to the connecting rod too greatly.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is a left sectional view of the shovel shaft main body and the connecting rod of the present invention;

FIG. 3 is a schematic view of the right side structure of the connecting rod of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a shovel shaft body; 2. a limiting groove; 3. a first damping spring; 4. a limiting block; 5. a connecting rod; 6. mounting a column; 7. a second damping spring; 8. a buffer plate; 9. a connecting shaft; 10. a bucket body; 11. a first rotating gear; 12. a second rotating gear; 13. a toothed plate; 14. a rubber pad; 15. a slider; 16. a drainage through hole; 17. a chute.

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. 1-4, the present invention provides a technical solution: a shovel rod buffering and limiting structure for an electric shovel comprises a shovel rod main body 1, a limiting groove 2, a first damping spring 3, a limiting block 4, a connecting rod 5, a mounting column 6, a second damping spring 7, a buffering plate 8, a connecting shaft 9, a bucket main body 10, a first rotating gear 11, a second rotating gear 12, a toothed plate 13, a rubber pad 14, a sliding block 15, a drainage through hole 16 and a sliding groove 17, wherein the limiting block 4 is fixed on the outer side of the right end of the shovel rod main body 1, the limiting groove 2 is arranged on the outer side of the limiting block 4, the connecting rod 5 is installed on the outer side of the limiting groove 2, the right end of the shovel rod main body 1 is connected with the connecting rod 5 through the first damping spring 3, the second damping spring 7 is installed inside the right end of the connecting rod 5, the mounting column 6 is nested inside the connecting shaft 7, the buffering plate 8 is fixed on the right end of the mounting column 6, the outer side of the bucket, and the outside of connecting axle 9 is fixed with first rotating gear 11 to the left side meshing of first rotating gear 11 has second rotating gear 12, and the upper and lower both sides of second rotating gear 12 all mesh toothed plate 13, and the right-hand member of toothed plate 13 is fixed with rubber pad 14, and both sides all are fixed with slider 15 around toothed plate 13, and the outside of slider 15 is provided with spout 17, and the outside of spout 17 is fixed with connecting rod 5, and drainage through hole has been seted up to the inside of connecting rod 5.

The connecting rod 5 and the shovel rod main body 1 form a sliding structure through the limiting groove 2, the left end and the right end of the connecting rod 5 are both in an open shape, the opening length of the left end of the connecting rod 5 is smaller than that of the right end of the connecting rod 5, the leftmost side of the limiting groove 2 and the leftmost side of the connecting rod 5 are not on the same vertical plane, and therefore the connecting rod 5 can conveniently absorb shock through the first damping spring 3, and the middle part of the shovel rod main body 1 can be protected conveniently;

the buffer plate 8 is made of rubber, the side view of the buffer plate 8 is arc-shaped, the highest point of the buffer plate 8 is higher than that of the connecting rod 5, and meanwhile the buffer plate 8 is connected with the mounting column 6 in a bonding mode, so that the buffer plate 8 well protects the side edge of the connecting rod 5, and the bucket body 10 is prevented from generating large vibration on the side edge of the connecting rod 5;

the diameter of the second rotating gear 12 is greater than that of the first rotating gear 11, the transverse center line of the second rotating gear 12 is on the same straight line with the transverse center line of the first rotating gear 11, and a gap exists between the first rotating gear 11 and the toothed plate 13, so that the first rotating gear 11 drives the second rotating gear 12 to rotate in the opposite direction;

the pinion rack 13 is provided with 2, and 2 pinion racks 13 are crisscross setting about the horizontal central line of second rotary gear 12, through the opposite removal of 2 pinion rack 13 directions, are convenient for prescribe a limit to scraper bowl main part 10 rotational position, avoid scraper bowl main part 10 rotation angle too big to cause great vibrations to shovel pole main part 1.

The working principle is as follows: when the shovel rod buffering and limiting structure for the electric shovel is used, firstly, the whole shovel rod buffering and limiting structure for the electric shovel is installed with an electric shovel device, then the whole shovel rod buffering and limiting structure for the electric shovel can be used, when the whole electric shovel device is used, the lifting in the electric shovel device drives the shovel bucket main body 10 to rotate downwards, at this time, as shown in figure 1, the shovel bucket main body 10 drives the connecting shaft 9 in the shovel bucket main body to rotate when rotating, at this time, the connecting shaft 9 and the shovel rod main body 1 perform bearing rotation, the connecting shaft 9 drives the first rotating gear 11 in the outer side integrated structure to rotate when rotating, the first rotating gear 11 drives the second rotating gear 12 connected in a left-side meshing manner to rotate, the second rotating gear 12 drives the toothed plates 13 connected in an upper-lower-side meshing manner to perform reverse movement simultaneously when rotating, at this time, the toothed plate 13 above the second rotating gear 12 moves towards the left side, the toothed plate 13 below the second rotating gear 12 moves rightwards, the toothed plate 13 below the second rotating gear 12 moves rightwards to a certain position and then collides with the bucket body 10, so that the bucket body 10 is prevented from excessively impacting the connecting rod 5 downwards and leftwards, the bucket body 10 is convenient to limit, meanwhile, the bucket body 10 is in contact with the buffer plate 8 outside the connecting rod 5 during rotation, the buffer plate 8 made of rubber is matched with the mounting column 6 and the second damping spring 7 to reduce the vibration generated by the bucket body 10, the outer side of the connecting rod 5 is well protected, and the outer side of the shovel rod body 1 is conveniently protected by the same principle;

when the bucket body 10 is used in a construction area, at this time, the bucket body 10 and the construction area are impacted to a certain extent, at this time, the connecting rod 5 drives the bucket body 10 to slide together at the outer side of the shovel rod body 1, as shown in fig. 2, the limit block 4 at the outer side of the shovel rod body 1 slides in the limit groove 2, so that the first damping spring 3 damps the shovel rod body 1, the shovel rod body 1 is damped, and the shovel rod body 1 is prevented from being impacted greatly, when the bucket body 10 rotates upwards, as described above, the toothed plate 13 above the second rotating gear 12 moves rightwards for limiting, so that the rubber pad 14 collides and limits the bucket body 10, after the use, as shown in fig. 3, a certain lubricant is injected through the drainage through hole 16 to lubricate and protect the connecting shaft 9, which is the use process of the whole device, those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an electric shovel is with shovel pole buffering limit structure, includes shovel pole main part (1) and first damping spring (3), its characterized in that: a limiting block (4) is fixed on the outer side of the right end of the shovel rod main body (1), a limiting groove (2) is arranged on the outer side of the limiting groove (2), a connecting rod (5) is installed on the outer side of the limiting groove (2), the right end of the shovel rod main body (1) is connected with the connecting rod (5) through a first damping spring (3), a second damping spring (7) is installed inside the right end of the connecting rod (5), a mounting column (6) is nested inside the second damping spring (7), a buffer plate (8) is fixed on the right end of the mounting column (6), the outer side of a connecting shaft (9) penetrates through the shovel bucket main body (10) and is connected with the connecting rod (5), a first rotating gear (11) is fixed on the outer side of the connecting shaft (9), a second rotating gear (12) is meshed on the left side of the first rotating gear (11), toothed plates (13) are meshed on the upper side and the lower side of the second rotating gear (, and the right end of pinion rack (13) is fixed with rubber pad (14), both sides all are fixed with slider (15) around pinion rack (13), and the outside of slider (15) is provided with spout (17) to the outside of spout (17) is fixed with connecting rod (5), drainage through hole (16) have been seted up to the inside of connecting rod (5).

2. The shovel rod buffering and limiting structure for the electric shovel according to claim 1, wherein: connecting rod (5) constitute sliding construction through spacing groove (2) and shovel pole main part (1), and the left end and the right-hand member of connecting rod (5) are the opening form to connecting rod (5) left end opening length is less than connecting rod (5) right-hand member opening length, the leftmost side of spacing groove (2) is not on same vertical plane with the leftmost side of connecting rod (5).

3. The shovel rod buffering and limiting structure for the electric shovel according to claim 1, wherein: the material of buffer board (8) is the rubber material, and buffer board (8) look sideways at and be the arc to the peak of buffer board (8) is higher than the peak of connecting rod (5), and the connected mode of buffer board (8) and erection column (6) is the bonding simultaneously.

4. The shovel rod buffering and limiting structure for the electric shovel according to claim 1, wherein: the diameter of the second rotating gear (12) is larger than that of the first rotating gear (11), the transverse center line of the second rotating gear (12) and the transverse center line of the first rotating gear (11) are on the same straight line, and a space exists between the first rotating gear (11) and the toothed plate (13).

5. The shovel rod buffering and limiting structure for the electric shovel according to claim 1, wherein: the toothed plates (13) are provided with 2 toothed plates (13), and the 2 toothed plates (13) are arranged in a staggered mode relative to the transverse center line of the second rotating gear (12).