CN214661221U

CN214661221U - Front jacking oil cylinder with strong stability for dumper

Info

Publication number: CN214661221U
Application number: CN202120871991.6U
Authority: CN
Inventors: 王玉荣; 张艳军; 贠瑞福
Original assignee: Linqing Kuankuo Machinery Technology Co ltd
Current assignee: Linqing Kuankuo Machinery Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-09
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a strong preceding top hydro-cylinder of dump truck of stability, the power distribution cylinder comprises a cylinder body, the bottom fixed connection of cylinder body has bottom end seal seat, the bottom fixed connection of bottom end seal seat is at the top middle part on chassis, the top fixedly connected with top cover mouth seat of cylinder body, the upper end fixed connection of top cover mouth seat is in the one end of spring, the other end fixed connection of spring is in the bottom of atress ring piece. The utility model discloses in, increase the body of rod through four square telescopic links around the hydro-cylinder and make a round trip stability when flexible in the cylinder body is inside, even when the front end of the body of rod stretches out the longest, square telescopic link also can provide stable support for the tail end of the body of rod and the sliding connection department of cylinder body to this strengthens the stability of hydro-cylinder, when the body of rod of hydro-cylinder returns to the cylinder body inside, the head plate descends and at first contacts the atress ring piece, through the impact force of the spring buffering body of rod to the cylinder body, increase the life of hydro-cylinder, be worth wideling popularize.

Description

Front jacking oil cylinder with strong stability for dumper

Technical Field

The utility model relates to a hydro-cylinder technical field especially relates to a strong preceding top hydro-cylinder for dumper of stability.

Background

The hydraulic cylinder is a linear motion type executing element with output force being in direct proportion to the effective area of a piston and the pressure difference between the effective area and the two sides of the piston, the hydraulic cylinder has the functions of converting hydraulic energy into mechanical energy, the input quantity of the hydraulic cylinder is the flow and the pressure of fluid, the output quantity of the hydraulic cylinder is linear motion speed and force, the piston of the hydraulic cylinder can complete linear reciprocating motion, the output linear displacement is limited, and the hydraulic cylinder is an energy conversion device for converting the hydraulic energy into the mechanical energy of the reciprocating linear motion.

The common oil cylinder comprises a cylinder body, a rod body and other parts, in the process of supporting a crane object, when the front end of the rod body extends out, the part of the tail end of the rod body, which is left in the cylinder body, is shorter, the stability of the oil cylinder is reduced, and the rod body does not have a buffer structure to reduce the impact force of the rod body on the cylinder body when retracting into the cylinder body, so that the service life of the oil cylinder is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a front top oil cylinder for a dumper with strong stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a strong preceding top hydro-cylinder for dumper of stability, includes the cylinder body, the bottom fixed connection of cylinder body has bottom seal seat, the bottom fixed connection of bottom seal seat is at the top middle part on chassis, the top fixedly connected with top cover mouth seat of cylinder body, the upper end fixed connection of top cover mouth seat is in the one end of spring, the other end fixed connection of spring is in the bottom of atress ring piece, the inside of cylinder body is provided with the body of rod and the top of the body of rod runs through spring and atress ring piece and fixed connection in proper order at the bottom middle part of head disk, four square telescopic links of equidistance fixedly connected with all around of cylinder body, the bottom of square telescopic link respectively with the top of chassis fixed connection all around, the top of square telescopic link respectively with the bottom of head disk fixed connection all around.

As a further description of the above technical solution:

the middle part of the bottom end of the chassis is fixedly connected with a bottom end mounting ring.

As a further description of the above technical solution:

the middle part of the top end of the top disc is fixedly connected with a top end mounting ring.

As a further description of the above technical solution:

the middle lower part of the square telescopic rod is fixedly connected with the first fixing ring.

As a further description of the above technical solution:

the middle upper part of the square telescopic rod is fixedly connected with the second fixing ring.

As a further description of the above technical solution:

and the inner side of the top end socket seat is fixedly connected with a dustproof oil seal.

As a further description of the above technical solution:

the top end of the stress ring sheet is fixedly connected with a rubber layer.

As a further description of the above technical solution:

the bottom end of the rod body is fixedly connected to the middle of the top end of the piston oil seal, and the piston oil seal is connected with the cylinder body in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first at four square telescopic links of equidistance fixed connection all around of hydro-cylinder, and the bottom of abdicating shape telescopic link is all fixed mutually through the bottom of chassis with the hydro-cylinder body, square telescopic link's top all is connected with the top of the hydro-cylinder body of rod through the head plate, four square telescopic links around the hydro-cylinder increase the body of rod stability when the cylinder body is inside to make a round trip to stretch out and draw back, even when the front end of the body of rod stretches out the longest, square telescopic link also can provide stable support for the tail end of the body of rod and the sliding connection department of cylinder body, with the stability of this reinforcing hydro-cylinder.

2. The utility model discloses in, when the body of rod of hydro-cylinder retracted the cylinder body inside, the closing member descends and at first contacts the atress ring piece, through the impact force of spring supporting closing member body to the cylinder body, increases the life of hydro-cylinder, is worth wideling popularize.

Drawings

Fig. 1 is an overall structure diagram of a front top cylinder for a dump truck with strong stability according to the present invention;

fig. 2 is a structural exploded view of a front top cylinder for a dump truck with high stability according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is the utility model provides a strong internal structure chart of preceding top hydro-cylinder for dumper of stability.

Illustration of the drawings:

1. a cylinder body; 2. a rod body; 3. a square telescopic rod; 4. a bottom end seal mount; 5. the top end is sleeved with a socket seat; 6. a first retaining ring; 7. a second retaining ring; 8. a spring; 9. a stressed ring sheet; 10. a chassis; 11. a top tray; 12. a ring is arranged at the bottom end; 13. a top end mounting ring; 14. a dustproof oil seal; 15. a rubber layer; 16. and (4) sealing the piston oil.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a front top oil cylinder with strong stability for a dump truck comprises a cylinder body 1, wherein the bottom end of the cylinder body 1 is fixedly connected with a bottom end sealing seat 4, the bottom end of the bottom end sealing seat 4 is fixedly connected with the middle part of the top end of a chassis 10, the top end of the cylinder body 1 is fixedly connected with a top end opening sleeving seat 5, the upper end of the top end opening sleeving seat 5 is fixedly connected with one end of a spring 8, the other end of the spring 8 is fixedly connected with the bottom end of a stress ring piece 9, a rod body 2 is arranged in the cylinder body 1, the top end of the rod body 2 sequentially penetrates through the spring 8 and the stress ring piece 9 and is fixedly connected with the middle part of the bottom end of a top plate 11, four square telescopic rods 3 are fixedly connected with the periphery of the cylinder body 1 at equal intervals, the bottom ends of the square telescopic rods 3 are respectively and fixedly connected with the periphery of the top end of the chassis 10, the top ends of the square telescopic rods 3 are respectively and fixedly connected with the periphery of the bottom end of the top plate 11, at first, four square telescopic rods 3 are fixedly connected with the periphery of the oil cylinder at equal intervals, and the bottom of the square telescopic rod 3 is fixed with the bottom of the cylinder body 1 through the chassis 10, the top of the square telescopic rod 3 is connected with the top of the cylinder body 2 through the top plate 11, the stability of the cylinder body 2 when the cylinder body 1 is internally stretched back and forth is increased through the four square telescopic rods 3 around the cylinder, even if the front end of the cylinder body 2 extends to the longest, the square telescopic rod 3 can also provide stable support for the tail end of the cylinder body 2 and the sliding connection part of the cylinder body 1, so as to enhance the stability of the cylinder, when the cylinder body 2 of the cylinder is retracted into the cylinder body 1, the top plate 11 is lowered to be firstly contacted with the stress ring sheet 9, the impact force of the cylinder body 2 on the cylinder body 1 is buffered by the top plate 11 through the spring 8, and the service life of the cylinder is prolonged.

Bottom middle part fixedly connected with bottom collar 12 on chassis 10, the top middle part fixedly connected with top collar 13 of top dish 11, the well lower part of square telescopic link 3 all with first solid fixed ring 6 fixed connection, the well upper portion of square telescopic link 3 all with the solid fixed ring 7 fixed connection of second, the inboard fixedly connected with dustproof oil blanket 14 of top cover mouth seat 5, the top fixedly connected with rubber layer 15 of atress ring piece 9, the bottom fixed connection of the body of rod 2 is at the top middle part of piston oil seal 16, piston oil seal 16 and the inside sliding connection of cylinder body 1.

The working principle is as follows: first at four square telescopic link 3 of equidistance fixed connection all around the hydro-cylinder, and the bottom of abdicating shape telescopic link 3 all is fixed mutually through the bottom of chassis 10 with hydro-cylinder body 1, the top of square telescopic link 3 all is connected with the top of the hydro-cylinder body of rod 2 through top dish 11, four square telescopic link 3 around the hydro-cylinder increase the body of rod 2 stability when the cylinder body 1 is inside to make a round trip to stretch out and draw back, even when the front end of the body of rod 2 stretches out the longest, square telescopic link 3 also can provide stable support for the tail end of the body of rod 2 and the sliding connection department of cylinder body 1, with this stability that strengthens the hydro-cylinder, when the body of rod 2 of hydro-cylinder contracts inside the cylinder body 1, top dish 11 descends and contacts atress ring piece 9 at first, hold up the impact force of the body of the buffer body of rod 2 to cylinder body 1 through spring 8, increase the life of hydro-cylinder.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a strong preceding top hydro-cylinder for dumper of stability, includes cylinder body (1), its characterized in that: the bottom end of the cylinder body (1) is fixedly connected with a bottom end sealing seat (4), the bottom end of the bottom end sealing seat (4) is fixedly connected with the middle part of the top end of the chassis (10), the top end of the cylinder body (1) is fixedly connected with a top end socket seat (5), the upper end of the top end socket seat (5) is fixedly connected with one end of a spring (8), the other end of the spring (8) is fixedly connected with the bottom end of the stressed ring piece (9), a rod body (2) is arranged in the cylinder body (1), the top end of the rod body (2) sequentially penetrates through the spring (8) and the stress ring piece (9) and is fixedly connected to the middle part of the bottom end of the top disc (11), four square telescopic rods (3) are fixedly connected with the periphery of the cylinder body (1) at equal intervals, the bottom end of the square telescopic rod (3) is respectively fixedly connected with the periphery of the top end of the chassis (10), the top end of the square telescopic rod (3) is fixedly connected with the periphery of the bottom end of the top plate (11) respectively.

2. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the middle part of the bottom end of the chassis (10) is fixedly connected with a bottom end mounting ring (12).

3. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the middle part of the top end of the top disc (11) is fixedly connected with a top end mounting ring (13).

4. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the middle lower part of the square telescopic rod (3) is fixedly connected with the first fixing ring (6).

5. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the middle upper part of the square telescopic rod (3) is fixedly connected with the second fixing ring (7).

6. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the inner side of the top end socket seat (5) is fixedly connected with a dustproof oil seal (14).

7. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the top end of the stress ring piece (9) is fixedly connected with a rubber layer (15).

8. The front top cylinder for the dump truck with strong stability according to claim 1, wherein: the bottom end of the rod body (2) is fixedly connected to the middle of the top end of the piston oil seal (16), and the piston oil seal (16) is connected with the cylinder body (1) in a sliding mode.