阅读说明：本技术 一种应力均匀分布的大直径液压油缸 (Large-diameter hydraulic oil cylinder with uniformly distributed stress ) 是由 廖富爱 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种应力均匀分布的大直径液压油缸,其结构包括定位杆、液压油缸主体、第一连接扣、液压活塞杆、第二连接扣,液压油缸主体为圆柱形结构,定位杆与液压油缸主体紧靠在一起,第一连接扣与液压油缸主体焊接在一起,大直径液压油缸通过液压油分布器、液压驱动结构相互配合,当液压油输入时对活塞块的推力更加均匀,有效的避免了活塞块滑动面受压不均匀,继而导致活塞块向一侧倾斜并加速磨损的情况,保证了液压油缸的密封性并延长了液压油缸的使用寿命。(The invention discloses a large-diameter hydraulic oil cylinder with uniformly distributed stress, which structurally comprises a positioning rod, a hydraulic oil cylinder main body, a first connecting buckle, a hydraulic piston rod and a second connecting buckle, wherein the hydraulic oil cylinder main body is of a cylindrical structure, the positioning rod is abutted against the hydraulic oil cylinder main body, the first connecting buckle is welded with the hydraulic oil cylinder main body, and the large-diameter hydraulic oil cylinder is matched with a hydraulic oil driving structure through a hydraulic oil distributor.)

1. The utility model provides a stress evenly distributed's major diameter hydraulic cylinder, its structure includes locating lever (1), hydraulic cylinder main part (2), first connector link (3), hydraulic piston rod (4), second connector link (5), its characterized in that:

the hydraulic oil cylinder main body (2) is of a cylindrical structure, the positioning rod (1) and the hydraulic oil cylinder main body (2) are abutted together, the first connecting buckle (3) and the hydraulic oil cylinder main body (2) are welded together, the hydraulic piston rod (4) is connected in the middle of the hydraulic oil cylinder main body (2) in a penetrating mode, and the second connecting buckle (5) and the hydraulic piston rod (4) are connected together through threads;

hydraulic cylinder main part (2) comprise hydraulic cylinder body (2 a), hydraulic oil input structure (2 b), hydraulic oil storehouse (2 c), piston block (2 d), hydraulic oil output structure (2 e), sealing washer (2 f), hydraulic cylinder body (2 a) are the hollow cylinder structure, hydraulic oil input structure (2 b) and hydraulic cylinder body (2 a) become the integral structure, hydraulic oil storehouse (2 c) nestification is inside hydraulic cylinder body (2 a), piston block (2 d) and hydraulic oil storehouse (2 c) laminating, hydraulic oil output structure (2 e) are located hydraulic cylinder body (2 a) right-hand member, sealing washer (2 f) and hydraulic piston rod (4) laminating.

2. A large diameter hydraulic ram with uniform stress distribution as claimed in claim 1 wherein: hydraulic oil input structure (2 b) comprises hydraulic oil distributor (b 1), hydraulic drive structure (b 2), vortex forming device (b 3), input structure dustcoat (b 4), input structure dustcoat (b 4) and hydraulic cylinder body (2 a) one-tenth integral structure, hydraulic oil distributor (b 1) nests in input structure dustcoat (b 4) left side, hydraulic drive structure (b 2) link up each other with hydraulic oil distributor (b 1), vortex forming device (b 3) is installed in hydraulic drive structure (b 2) right side.

3. A large diameter hydraulic ram with uniform stress distribution as claimed in claim 2 wherein: hydraulic oil distributor (b 1) is detained (b 14), delivery port (b 15) by hydraulic oil connecting tube (b 11), equipartition ware (b 12), fixed disk (b 13), equipartition ware installation and constitutes, fixed disk (b 13) are installed in hydraulic drive structure (b 2) the place ahead, hydraulic oil connecting tube (b 11) through connection is in input structure dustcoat (b 4) left side, the equipartition ware installation is detained (b 14) and is annular array evenly distributed in fixed disk (b 13) surface, equipartition ware (b 12) is detained (b 14) with the equipartition ware installation and is laminated, delivery port (b 15) link up each other with equipartition ware (b 12).

4. A large diameter hydraulic ram with uniform stress distribution according to claim 2 or claim 3 wherein: hydraulic drive structure (b 2) comprises coil spring (b 21), drive structure mount (b 22), driving-disc (b 23), hydraulic oil through-hole (b 24), guiding axle (b 25), hydraulic drive board (b 26), drive structure mount (b 22) nestification is in the middle of input structure dustcoat (b 4), guiding axle (b 25) are installed in drive structure mount (b 22), driving-disc (b 23) and guiding axle (b 25) lock each other, coil spring (b 21) respectively with drive structure mount (b 22), driving-disc (b 23) laminating, hydraulic oil through-hole (b 24) run through and are connected around driving-disc (b 23) surface, hydraulic drive board (b 26) are installed between through-hole (b 24).

5. A large diameter hydraulic ram with uniform stress distribution as claimed in claim 2 wherein: vortex forming device (b 3) comprises flexible guide frame (b 31), regulation axle (b 32), stopper (b 33), vortex blade (b 34), drainage groove (b 35), flexible guide frame (b 31) and hydraulic drive structure (b 2) lock, stopper (b 33) and flexible guide frame (b 31) adopt clearance fit, adjust axle (b 32) and stopper (b 33) lock, vortex blade (b 34) and regulation axle (b 32) adopt mechanical connection, drainage groove (b 35) equidistance evenly distributed is on vortex blade (b 34) surface.

6. A large diameter hydraulic ram with uniform stress distribution as claimed in claim 1 wherein: the left side and the right side of the piston block (2 d) are of a circular truncated cone-shaped structure which is concave inwards.

7. A large diameter hydraulic ram with uniform stress distribution according to claim 5 wherein: the eight drainage grooves (b 35) are spirally distributed on the surface of the vortex blade (b 34).

Technical Field

The invention relates to the field of hydraulic equipment, in particular to a large-diameter hydraulic oil cylinder with uniformly distributed stress.

Background

The hydraulic cylinder is one of common hydraulic equipment in our life, has the hydraulic cylinder of different models size according to the use scene of difference simultaneously, and in order to promote hydraulic cylinder's bearing capacity, hydraulic cylinder's diameter is also bigger and bigger, but the present technical consideration is not perfect enough, has following shortcoming: traditional hydraulic cylinder is at the during operation, the oilhole input and the flexible of output promotion piston rod through both ends about the hydro-cylinder, but the great hydro-cylinder of diameter is in the use, because the hydro-cylinder section diameter is great, consequently, hydraulic oil distributes inequality when flowing in from the oilhole, it is great then to lead to the piston piece to be close to the hydraulic pressure that the oilhole position received, it is inhomogeneous to arouse piston piece glide plane pressurized, after the live time is longer, can lead to the piston piece to take place slope and wearing and tearing to one side, and then influence hydraulic cylinder's leakproofness, lead to hydraulic cylinder work unusual, hydraulic cylinder's life is shortened.

Disclosure of Invention

Aiming at the problems, the invention provides a large-diameter hydraulic oil cylinder with uniformly distributed stress.

In order to achieve the purpose, the invention is realized by the following technical scheme: a large-diameter hydraulic oil cylinder with uniformly distributed stress structurally comprises a positioning rod, a hydraulic oil cylinder body, a first connecting buckle, a hydraulic piston rod and a second connecting buckle, wherein the hydraulic oil cylinder body is of a cylindrical structure, the positioning rod is abutted against the hydraulic oil cylinder body, the first connecting buckle is welded with the hydraulic oil cylinder body, the hydraulic piston rod is connected to the middle of the hydraulic oil cylinder body in a penetrating mode, the second connecting buckle is connected with the hydraulic piston rod through threads, the hydraulic oil cylinder body is composed of a hydraulic cylinder body, a hydraulic oil input structure, a hydraulic oil bin, a piston block, a hydraulic oil output structure and a sealing ring, the hydraulic cylinder body is of a hollow cylindrical structure, the hydraulic oil input structure and the hydraulic cylinder body are of an integrated structure, the hydraulic oil bin is nested in the hydraulic cylinder body, the piston block is attached to the hydraulic, the hydraulic oil output structure is located at the right end of the hydraulic cylinder body, and the sealing ring is attached to the hydraulic piston rod.

As a further improvement of the hydraulic cylinder, the hydraulic oil input structure is composed of a hydraulic oil distributor, a hydraulic driving structure, an eddy forming device and an input structure outer cover, the input structure outer cover and the hydraulic cylinder body form an integrated structure, the hydraulic oil distributor is nested on the left side of the input structure outer cover, the hydraulic driving structure and the hydraulic oil distributor are communicated with each other, and the eddy forming device is installed on the right side of the hydraulic driving structure.

The hydraulic oil distributor is further improved by comprising a hydraulic oil connecting pipeline, an even distributor, a fixed disc, an even distributor mounting buckle and a conveying hole, wherein the fixed disc is mounted in front of the hydraulic driving structure, the hydraulic oil connecting pipeline is connected to the left side of the input structure outer cover in a penetrating mode, the even distributor mounting buckle is uniformly distributed on the surface of the fixed disc in an annular array mode, the even distributor is attached to the even distributor mounting buckle, and the conveying hole is communicated with the even distributor.

The hydraulic driving structure is further improved by comprising a spiral spring, a driving structure fixing frame, a driving disc, a hydraulic oil through hole, a guide shaft and a hydraulic driving plate, wherein the driving structure fixing frame is nested in the middle of the input structure outer cover, the guide shaft is arranged in the driving structure fixing frame, the driving disc is buckled with the guide shaft, the spiral spring is respectively attached to the driving structure fixing frame and the driving disc, the hydraulic oil through hole is connected to the periphery of the surface of the driving disc in a penetrating manner, and the hydraulic driving plate is arranged between the hydraulic oil through holes.

As a further improvement of the invention, the vortex forming device comprises a telescopic guide frame, an adjusting shaft, a limiting block, vortex blades and drainage grooves, wherein the telescopic guide frame is buckled with a hydraulic driving structure, the limiting block is in clearance fit with the telescopic guide frame, the adjusting shaft is buckled with the limiting block, the vortex blades are mechanically connected with the adjusting shaft, and the drainage grooves are equidistantly and uniformly distributed on the surfaces of the vortex blades.

As a further improvement of the invention, the left side and the right side of the piston block are of a circular truncated cone structure which is concave inwards, so that when hydraulic oil is filled, hydraulic thrust is converged in the middle of the piston block, the formed thrust is larger, and the stress is more uniform.

As a further improvement of the invention, the eight drainage grooves are spirally distributed on the surface of the vortex blade, so that a clockwise rotating vortex is formed after hydraulic oil passes through the drainage grooves, and the thrust and the flow speed of the hydraulic oil are accelerated.

As a further improvement of the invention, the hydraulic drive plate is positioned between the hydraulic oil through holes on the front surface and the rear surface of the drive plate and is of an inclined plane structure.

As a further improvement of the vortex vane.

The invention has the beneficial effects that: the major diameter hydraulic cylinder passes through hydraulic oil distributor, hydraulic drive structure and mutually supports, and the thrust to the piston piece is more even when hydraulic oil input, and the effectual piston piece glide plane pressurized of having avoided is inhomogeneous, leads to the piston piece to the side slope and the condition of accelerated wear then, has guaranteed hydraulic cylinder's leakproofness and has prolonged hydraulic cylinder's life.

When the hydraulic oil input structure is used, hydraulic oil uniformly flows into the conveying holes radially and peripherally through the uniform distributor after flowing in from the hydraulic oil connecting pipeline, when all the conveying holes are completely filled with the hydraulic oil, the pressure of the hydraulic oil pushes the hydraulic driving plate to form transverse thrust to drive the driving plate to rotate anticlockwise along the guide shaft, and further the hydraulic oil through holes are communicated with the conveying holes, so that the hydraulic oil flows into the hydraulic oil bin through the hydraulic oil through holes and the conveying holes and generates rightward thrust to the left side of the piston block, and meanwhile, because the hydraulic oil through holes are annularly distributed, the thrust borne by the piston block is uniformly distributed, and after the hydraulic oil is discharged from the hydraulic oil through holes, the hydraulic oil pushes the vortex blades to expand rightwards along the adjusting shaft, and simultaneously, under the action of the drainage grooves, the hydraulic oil flows in a clockwise vortex mode, the flow rate and the thrust of the hydraulic oil are accelerated, and the, the service life of the hydraulic oil cylinder is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a large-diameter hydraulic cylinder with uniformly distributed stress according to the present invention.

FIG. 2 is a schematic structural diagram of the interior of the hydraulic cylinder body of the present invention.

Fig. 3 is a detailed structural schematic diagram of a hydraulic oil input structure of the present invention.

Fig. 4 is a left side view of the hydraulic oil distributor according to the present invention.

Fig. 5 is a left side view of the hydraulic driving structure of the present invention.

Fig. 6 is a schematic three-dimensional structure of a driving disc according to the present invention.

FIG. 7 is a detailed structural diagram of the vortex forming apparatus of the present invention.

FIG. 8 is a right view of the vortex blade of the present invention.

In the figure: a positioning rod-1, a hydraulic oil cylinder body-2, a first connecting buckle-3, a hydraulic piston rod-4, a second connecting buckle-5, a hydraulic cylinder body-2 a, a hydraulic oil input structure-2 b, a hydraulic oil bin-2 c, a piston block-2 d, a hydraulic oil output structure-2 e, a sealing ring-2 f, a hydraulic oil distributor-b 1, a hydraulic drive structure-b 2, an eddy current forming device-b 3, an input structure outer cover-b 4, a hydraulic oil connecting pipeline-b 11, a uniform distributor-b 12, a fixed disk-b 13, a uniform distributor mounting buckle-b 14, a conveying hole-b 15, a spiral spring-b 21, a drive structure fixing frame-b 22, a drive disk-b 23, a hydraulic oil through hole-b 24, a guide shaft-b 25, a hydraulic drive plate-b 26, A telescopic guide frame-b 31, an adjusting shaft-b 32, a limit block-b 33, a vortex blade-b 34 and a drainage groove-b 35.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, fig. 1 to 8 schematically show the structure of the large-diameter hydraulic oil cylinder of the embodiment of the invention, and the invention is further explained below by combining the specific embodiment.