CN210315736U

CN210315736U - Hydraulic breaker

Info

Publication number: CN210315736U
Application number: CN201921015341.0U
Authority: CN
Inventors: 张前成
Original assignee: Jiangsu Guchuan Machinery Co ltd
Current assignee: Jiangsu Guchuan Machinery Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-14
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a hydraulic breaker, including valve body, hydro-cylinder and preceding cylinder body, the valve body is located the top of hydro-cylinder, the top of cylinder body before the hydro-cylinder is located, the internally mounted of hydro-cylinder has the piston, the activity is provided with the distributor between hydro-cylinder and the piston, install the spacer sleeve that is located the sealing ring top in the middle of the inside of valve body, the one end internally mounted of valve body has the case, the spring has been cup jointed on the case, set up the business turn over pneumatic valve between spacer sleeve and the sealing ring, the energy storage ware is installed to the top of valve body, and the energy storage ware links to each other with the oil feed, the drill rod is installed to the below. The valve core works by utilizing hydraulic energy and mechanical energy and the combination of the hydraulic energy and the mechanical energy and the spring, so that the working direction conversion speed can be improved. The energy accumulator is directly connected with the oil inlet, plays the roles of energy storage and energy supplement on the hydraulic oil of the oil cylinder, provides relatively consistent and stable pressure for the piston and the cylinder body cavity, and enables the crusher to improve the working efficiency and work stably.

Description

Hydraulic breaker

Technical Field

The utility model relates to a cracker technical field specifically is a hydraulic pressure cracker.

Background

A hydraulic breaker is a hydraulic impact machine used for breaking stone, concrete and the like. The method is mainly applied to the fields of mining, foundation engineering construction, urban construction and the like. The hydraulic impact energy output device is mainly attached to mechanical equipment such as an excavator, a loader and the like, and the hydraulic system of the hydraulic impact energy output device is used as power.

The existing hydraulic breaker has the problems of low working efficiency, easy-to-pull oil cylinder/piston and the like due to the design reason on the working principle. In the prior art, hydraulic energy and air pressure energy are combined to input energy to a working object (piston) so as to impact the working object (broken object). However, in the process, the process (time) of energy storage on the cylinder and the process of energy release of the cylinder exist, so that the problems of low working efficiency, uneven pressure in the cylinder body and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic breaker, includes valve body, hydro-cylinder and preceding cylinder body, the valve body is located the top of hydro-cylinder, the top of cylinder body before the hydro-cylinder is located, the internally mounted of hydro-cylinder has the piston, the activity is provided with the distributor between hydro-cylinder and the piston, the sealing ring has been cup jointed between the contact surface of distributor and hydro-cylinder, install the separation sleeve that is located the sealing ring top in the middle of the inside of valve body, the one end internally mounted of valve body has the case, the spring has been cup jointed on the case, set up the business turn over pneumatic valve between separation sleeve and the sealing ring, the energy storage ware is installed to the top of valve body, and the energy storage ware links to each other with the.

Preferably, the valve body is connected with the front cylinder body through a connecting bolt, and an anti-loosening sheet is arranged between contact surfaces of the valve body and the connecting bolt.

The connecting bolt can be arranged to realize the fixed connection between the valve body and the front cylinder body, and the anti-loosening piece can prevent the connecting bolt from loosening.

Preferably, the oil cylinder is cylindrical.

Preferably, the installation height of the air inlet and outlet valve is the same as that of the valve core.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic breaker has the advantages that the valve core works by utilizing hydraulic energy and mechanical energy and the spring, and the working direction conversion speed can be increased. The energy accumulator is directly connected with the oil inlet, plays the roles of energy storage and energy supplement on the hydraulic oil of the oil cylinder, provides relatively consistent and stable pressure for the piston and the cylinder body cavity, and enables the crusher to improve the working efficiency and work stably.

Drawings

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

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

fig. 3 is a schematic view of the structure of the valve body, the connecting bolt and the anti-loosening piece of the present invention.

In the figure: 1. an accumulator; 2. a valve body; 21. an air inlet and outlet valve; 3. a valve core; 31. a spring; 4. an isolation sleeve; 5. an oil cylinder; 6. a piston; 7. a seal ring; 8. a dispenser; 9. a front cylinder body; 10. a connecting bolt; 101. an anti-loosening sheet; 11. a steel chisel.

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. 1-3, the present invention provides a technical solution: a hydraulic breaker comprises a valve body 2, an oil cylinder 5 and a front cylinder body 9, wherein the valve body 2 is positioned above the oil cylinder 5, the oil cylinder 5 is positioned above the front cylinder body 9, a piston 6 is arranged inside the oil cylinder 5, a distributor 8 is movably arranged between the oil cylinder 5 and the piston 6, a sealing ring 7 is sleeved between contact surfaces of the distributor 8 and the oil cylinder 5, an isolation sleeve 4 positioned above the sealing ring 7 is arranged in the middle of the inside of the valve body 2, the isolation sleeve 4 is arranged to separate oil inlet from oil outlet of the piston 6, a valve core 3 is arranged inside one end of the valve body 2, a spring 31 is sleeved on the valve core 3, an air inlet and outlet valve 21 is arranged between the isolation sleeve 4 and the sealing ring 7, the air inlet and outlet valve 21 is arranged to enable the piston 6 to freely work, an energy accumulator 1 is arranged above the valve body 2, the energy accumulator 1 is connected with the oil inlet, and the, relatively consistent and stable pressure is provided for the piston 6 and the oil cylinder 5, and a steel chisel 11 is arranged below the piston 6.

Specifically, the valve body 2 and the front cylinder 9 are connected through a connecting bolt 10, and an anti-loosening piece 101 is arranged between contact surfaces of the valve body 2 and the connecting bolt 10.

Specifically, the oil cylinder 5 is cylindrical.

Specifically, the installation height of the air inlet and outlet valve 21 is the same as the installation height of the valve core 3.

When the valve core 3 is used specifically, the valve core works by utilizing hydraulic energy and mechanical energy and the combination of the hydraulic energy and the mechanical energy and the spring 31, so that the working direction switching speed can be improved. The energy accumulator 1 is directly connected with the oil inlet, plays the roles of energy storage and energy supplement on the hydraulic oil of the oil cylinder 5, provides relatively consistent and stable pressure in the cavities of the piston 6 and the oil cylinder 5, and enables the crusher to improve the working efficiency and work stably.

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.

Claims

1. The utility model provides a hydraulic breaker, includes valve body (2), hydro-cylinder (5) and preceding cylinder body (9), its characterized in that: the valve body (2) is positioned above the oil cylinder (5), the oil cylinder (5) is positioned above the front cylinder body (9), a piston (6) is arranged in the oil cylinder (5), a distributor (8) is movably arranged between the oil cylinder (5) and the piston (6), a sealing ring (7) is sleeved between the contact surfaces of the distributor (8) and the oil cylinder (5), the middle inside the valve body (2) is provided with an isolation sleeve (4) positioned above the sealing ring (7), a valve core (3) is arranged in one end of the valve body (2), a spring (31) is sleeved on the valve core (3), an air inlet and outlet valve (21) is arranged between the isolation sleeve (4) and the sealing ring (7), an energy accumulator (1) is arranged above the valve body (2), and the energy accumulator (1) is connected with the oil inlet, and a steel chisel (11) is arranged below the piston (6).

2. A hydraulic breaker according to claim 1 wherein: the valve body (2) is connected with the front cylinder body (9) through a connecting bolt (10), and an anti-loosening sheet (101) is arranged between the contact surfaces of the valve body (2) and the connecting bolt (10).

3. A hydraulic breaker according to claim 1 wherein: the oil cylinder (5) is cylindrical.

4. A hydraulic breaker according to claim 1 wherein: the installation height of the air inlet and outlet valve (21) is the same as that of the valve core (3).