阅读说明：本技术 一种悬挂式农用四轮拖拉机液压油缸升降器 (Hydraulic oil cylinder lifter of suspension type agricultural four-wheel tractor ) 是由 林立天 于 2018-06-24 设计创作，主要内容包括：本发明涉及农用机械技术领域,尤其涉及一种悬挂式农用四轮拖拉机液压油缸升降器,包括：刮环、上轴瓦、壳体、固定台和下轴瓦；所述壳体外侧设置有四组加强轴,且壳体右端的固定台为一体式结构设置；所述活塞杆左端设置有一组活塞,且活塞与右端的活动端通过套合方式相连接；所述固定台右侧设置有上轴瓦和下轴瓦,且固定台通过过盈配合与上轴瓦和下轴瓦相连接；所述刮环设置在上轴瓦和下轴瓦的内部,且刮环通过卡合方式与上轴瓦和下轴瓦相连接,本发明通过对结构上的改进,并结合现有技术,具有结构精良、具备必要的尘土清洁功能、使用寿命长的优点,从而解决了现有装置中存在的问题和不足,使之具有更加实用性的目的。(The invention relates to the technical field of agricultural machinery, in particular to a hydraulic oil cylinder lifter of a suspension type agricultural four-wheel tractor, which comprises: the device comprises a scraping ring, an upper bearing bush, a shell, a fixed platform and a lower bearing bush; four groups of reinforcing shafts are arranged on the outer side of the shell, and a fixed table at the right end of the shell is arranged in an integrated structure; the left end of the piston rod is provided with a group of pistons, and the pistons are connected with the movable end of the right end in a sleeving manner; the right side of the fixed platform is provided with an upper bearing bush and a lower bearing bush, and the fixed platform is connected with the upper bearing bush and the lower bearing bush in an interference fit manner; the scraping ring is arranged inside the upper bearing bush and the lower bearing bush and is connected with the upper bearing bush and the lower bearing bush in a clamping mode.)

1. A hydraulic oil cylinder lifter of a suspension type agricultural four-wheel tractor comprises: the oil injection device comprises a fixed end (1), a first oil injection port (2), a piston (3), a piston rod (4), a second oil injection port (5), a scraping ring (6), an upper bearing bush (7), a moving end (8), a shell (9), a reinforcing shaft (10), a fixed platform (11) and a lower bearing bush (12); the method is characterized in that: a first oil filling port (2) is formed in the left side of the upper end of the fixed end (1); four groups of reinforcing shafts (10) are arranged on the outer side of the shell (9), and a fixed table (11) at the right end of the shell (9) is arranged in an integrated structure; a second oil filling port (5) is arranged at the upper part of the right side of the shell (9); a group of pistons (3) are arranged at the left end of the piston rod (4), and the pistons (3) are connected with the movable end (8) at the right end in a sleeving manner; an upper bearing bush (7) and a lower bearing bush (12) are arranged on the right side of the fixed table (11), and the fixed table (11) is connected with the upper bearing bush (7) and the lower bearing bush (12) in an interference fit manner; the scraping ring (6) is arranged inside the upper bearing bush (7) and the lower bearing bush (12), and the scraping ring (6) is connected with the upper bearing bush (7) and the lower bearing bush (12) in a clamping mode.

2. The hydraulic cylinder lifter of a suspension type agricultural four-wheel tractor according to claim 1, characterized in that: the right side of the scraping ring (6) is arranged in an annular structure, and the scraping ring (6) is arranged in an array structure.

3. The hydraulic cylinder lifter of a suspension type agricultural four-wheel tractor according to claim 1, characterized in that: the right side of the upper bearing bush (7) is in an omega-shaped structure, and a scraping ring clamping groove is formed in the upper bearing bush (7).

4. The hydraulic cylinder lifter of a suspension type agricultural four-wheel tractor according to claim 1, characterized in that: the shaft side of the shell (9) is in a cylindrical structure, and the shell (9) is divided into a left cavity and a right cavity through the piston (3).

5. The hydraulic cylinder lifter of a suspension type agricultural four-wheel tractor according to claim 1, characterized in that: the shaft side of the reinforcing shaft (10) is in a cylindrical solid structure, and four groups of reinforcing shafts (10) are arranged in an array structure.

6. The hydraulic cylinder lifter of a suspension type agricultural four-wheel tractor according to claim 1, characterized in that: the right side of the fixed platform (11) is arranged in an annular structure, and the fixed platform (11) and the shell (9) are arranged in an integrated structure.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a hydraulic oil cylinder lifter of a suspension type agricultural four-wheel tractor.

Background

The tractor is used for towing and driving a working machine to complete various mobile operations, the tractor usually needs to tow the machine to lift in the use process, and the hydraulic cylinder lifter is usually in a severe working environment with dust flying for a long time due to the working specificity of the hydraulic cylinder lifter.

Through observing the discovery, there is single structure in current agricultural four-wheel tractor hydraulic cylinder riser technical field of suspension type, the piston rod will be pasted the dust of the body of rod and take the problem such as cylinder body, life weak point easily, in actual operation process, certain degree of difficulty has been brought, then, how to provide a structure fine, possess necessary dust clean function, long service life's agricultural four-wheel tractor hydraulic cylinder riser of suspension type, has become the important subject that needs to solve at present.

In view of the above, the inventor takes the design concept and the practical operation experience related to the industry, researches and improves the deficiency of the prior art, and provides the hydraulic oil cylinder lifter of the suspension type agricultural four-wheel tractor, which has the advantages of fine structure, necessary dust cleaning function and long service life, so that the hydraulic oil cylinder lifter has the purpose of higher practicability.

Disclosure of Invention

The invention aims to provide a suspension type agricultural four-wheel tractor hydraulic oil cylinder lifter, which solves the problems and the defects that the structure is single, a piston rod easily brings dust stuck on a rod body back to a cylinder body, and the service life is short in the background technology.

The purpose and the effect of the invention are achieved by the following specific technical scheme:

a hydraulic oil cylinder lifter of a suspension type agricultural four-wheel tractor comprises: the device comprises a fixed end, a first oil injection port, a piston rod, a second oil injection port, a scraping ring, an upper bearing bush, a movable end, a shell, a reinforcing shaft, a fixed platform and a lower bearing bush; a first oil injection port is formed in the left side of the upper end of the fixed end; four groups of reinforcing shafts are arranged on the outer side of the shell, and a fixed table at the right end of the shell is arranged in an integrated structure; a second oil filling port is formed in the upper part of the right side of the shell; the left end of the piston rod is provided with a group of pistons, and the pistons are connected with the movable end of the right end in a sleeving manner; the right side of the fixed platform is provided with an upper bearing bush and a lower bearing bush, and the fixed platform is connected with the upper bearing bush and the lower bearing bush in an interference fit manner; the scraping ring is arranged in the upper bearing bush and the lower bearing bush and is connected with the upper bearing bush and the lower bearing bush in a clamping mode.

As a further optimization of the technical scheme, the scraping ring of the hydraulic oil cylinder lifter of the suspension type agricultural four-wheel tractor is arranged in an annular structure in the right view, and the scraping ring is arranged in an array structure.

As a further optimization of the technical scheme, the upper bearing bush of the hydraulic oil cylinder lifter of the suspension type agricultural four-wheel tractor is arranged in an omega-shaped structure in the right view, and a scraping ring clamping groove is formed in the upper bearing bush.

As a further optimization of the technical scheme, the shell of the hydraulic oil cylinder lifter for the suspension type agricultural four-wheel tractor is arranged in a cylindrical structure at the shaft side, and the shell is divided into a left cavity and a right cavity by a piston.

As a further optimization of the technical scheme, the hydraulic oil cylinder lifter for the suspension type agricultural four-wheel tractor is characterized in that four groups of reinforcing shafts are arranged in an array structure, and the reinforcing shafts are arranged on the sides of the reinforcing shafts in a cylindrical solid structure.

As a further optimization of the technical scheme, the fixed platform of the hydraulic oil cylinder lifter of the suspension type agricultural four-wheel tractor is arranged in an annular structure in the right view, and the fixed platform and the shell are arranged in an integrated structure.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the scraping ring is arranged in a ring-shaped structure in the right view, and the scraping rings are arranged in an array structure, so that the piston rod is exposed in a dust flying environment for a long time, dust adhered to the piston rod is easily brought back into the shell in the retraction process of the piston rod, the shell and dirty hydraulic oil are damaged, the service life of the hydraulic cylinder is very easily shortened under severe working conditions, the scraping wall of the piston rod is cleaned through the scraping ring, the dust adhered to the piston rod is cleaned, and the service life of the hydraulic cylinder is prolonged.

2. According to the invention, the upper bearing bush is arranged in an omega-shaped structure in the right view, the scraping ring clamping groove is arranged in the upper bearing bush, the upper bearing bush and the lower bearing bush are fixed on the right side of the fixing table through bolts, the scraping ring can be fixed through the matching of the upper bearing bush and the lower bearing bush, the bearing bush is convenient to disassemble, and the scraping ring is convenient to replace.

3. According to the invention, the shaft side of the shell is arranged in a cylindrical structure, the shell is divided into a left cavity and a right cavity through the piston, two ends of the shell are connected by the reinforcing shaft in a reinforcing way, and the annular fixing table arranged at the right end of the shell is convenient for the installation of the upper bearing bush and the lower bearing bush.

4. Through the improvement on the structure, the dust cleaning device has the advantages of fine structure, necessary dust cleaning function and long service life, thereby effectively solving the problems and the defects existing in the existing device.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a partially enlarged view of the fixing table of the present invention;

fig. 4 is a schematic view of the upper bearing bush shaft side structure of the present invention.

In the figure: the oil injection device comprises a fixed end 1, a first oil injection port 2, a piston 3, a piston rod 4, a second oil injection port 5, a scraping ring 6, an upper bearing bush 7, a moving end 8, a shell 9, a reinforcing shaft 10, a fixed platform 11 and a lower bearing bush 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a hydraulic oil cylinder lifter of a suspension type agricultural four-wheel tractor comprises: the oil injection device comprises a fixed end 1, a first oil injection port 2, a piston 3, a piston rod 4, a second oil injection port 5, a scraping ring 6, an upper bearing bush 7, a moving end 8, a shell 9, a reinforcing shaft 10, a fixed platform 11 and a lower bearing bush 12; a first oil filling port 2 is arranged on the left side of the upper end of the fixed end 1; four groups of reinforcing shafts 10 are arranged outside the shell 9, and a fixed platform 11 at the right end of the shell 9 is arranged in an integrated structure; a second oil filling port 5 is arranged at the upper part of the right side of the shell 9; a group of pistons 3 are arranged at the left end of the piston rod 4, and the pistons 3 are connected with the movable end 8 at the right end in a sleeving manner; an upper bearing bush 7 and a lower bearing bush 12 are arranged on the right side of the fixed platform 11, and the fixed platform 11 is connected with the upper bearing bush 7 and the lower bearing bush 12 through interference fit; the scraping ring 6 is arranged inside the upper bearing bush 7 and the lower bearing bush 12, and the scraping ring 6 is connected with the upper bearing bush 7 and the lower bearing bush 12 in a clamping mode.

It is specific, 6 right sides of scraping ring are looked and are the setting of annular column structure, and scraping ring 6 is the setting of array column structure, because piston rod 4 exposes the environment that dust flies upward for a long time, piston rod 4 retracts in-process and will glue easily and take back in the dust on piston rod 4 casing, damage casing 9, dirty hydraulic oil, the life-span of pneumatic cylinder is very easily shortened to abominable operating condition, it is clean to the wall of scraping of piston rod 4 through scraping ring 6 realization, the clearance glues the dust of gluing on piston rod 4, the life of extension pneumatic cylinder.

Specifically, the upper bearing bush 7 is arranged in an omega-shaped structure in the right view, a scraping ring clamping groove is formed in the upper bearing bush 7, the upper bearing bush 7 and the lower bearing bush 12 are fixed to the right side of the fixing table 11 through bolts, the scraping ring 6 can be fixed through the cooperation of the upper bearing bush 7 and the lower bearing bush 12, the bearing bushes are convenient to disassemble, and the scraping ring 6 can be conveniently replaced.

Specifically, the shaft side of the housing 9 is arranged in a cylindrical structure, the housing 9 is divided into a left chamber and a right chamber by the piston 3, the two ends of the housing 9 are reinforced and connected by the reinforcing shaft 10, and the annular fixing table 11 arranged at the right end of the housing 9 facilitates the installation of the upper bearing bush 7 and the lower bearing bush 12.

Specifically, the shaft side of the reinforcing shaft 10 is arranged in a cylindrical solid structure, four groups of reinforcing shafts 10 are arranged in an array structure, and the reinforcing shafts 10 reinforce the connection of the two ends of the hydraulic cylinder.

Specifically, the right side of the fixed table 11 is arranged in an annular structure, the fixed table 11 and the shell 9 are arranged in an integrated structure, the fixed table 11 is in a solid structure, and the upper bearing bush 7 and the lower bearing bush 12 are connected with the fixed table 11 through interference fit.

The specific use method and the function are as follows:

when the device is used, install the pneumatic cylinder on the tractor, connect first oiling mouth 2 and second oiling mouth 5, when the pneumatic cylinder began work, scrape ring 6 and can clear up the dust of gluing on piston rod 4, avoid haring the pneumatic cylinder and dirty inside hydraulic oil, when needs change scrape ring, remove end 8 down earlier in the dismantlement, then the bolt of connecting upper bearing shell 7 and lower bearing shell 12 is removed down in the dismantlement, take out the inside scraping ring 6 of bearing shell, 6 registrates piston rod 4 with new scraping ring, install upper bearing shell 7 and lower bearing shell 12, screw up the bolt, install the end 8 right-hand member of piston rod 4 in the last installation removal.

In summary, the following steps: according to the hydraulic cylinder lifter of the suspension type agricultural four-wheel tractor, the scraping rings are arranged in an annular structure in the right view and are arranged in an array structure, and because the piston rod is exposed in the environment where dust flies for a long time, dust stuck on the piston rod is easily brought back into the shell in the retraction process of the piston rod, the shell and dirty hydraulic oil are damaged, the service life of the hydraulic cylinder is very easily shortened under severe working conditions, the scraping wall of the piston rod is cleaned through the scraping rings, the dust stuck on the piston rod is cleaned, and the service life of the hydraulic cylinder is prolonged; the upper bearing bush is arranged in an omega-shaped structure in the right view, a scraping ring clamping groove is formed in the upper bearing bush, the upper bearing bush and the lower bearing bush are fixed on the right side of the fixing table through bolts, the scraping ring can be fixed through the matching of the upper bearing bush and the lower bearing bush, the bearing bushes are convenient to disassemble, and the scraping ring can be conveniently replaced; be cylindric shape structure setting through casing axle side, and the casing divide into through the piston and control two cavities, and the casing both ends are consolidated and are connected by strengthening the axle, and the annular fixed station of the ring form that the casing right-hand member set up is convenient for go up the installation of axle bush and lower axle bush, has solved single structure, piston rod and will glue the problem that the dust of gluing at the body of rod brought back the cylinder body, life is short easily.

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.