CN212028630U

CN212028630U - Hydraulic breaking hammer same-direction stroke distributing valve

Info

Publication number: CN212028630U
Application number: CN202020741264.3U
Authority: CN
Inventors: 陈伟豪
Original assignee: Zhejiang Lingde Heavy Industry Co ltd
Current assignee: Zhejiang Lingde Heavy Industry Co ltd
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2020-11-27
Anticipated expiration: 2030-05-05

Abstract

The utility model discloses a hydraulic breaking hammer syntropy stroke flow distribution valve, including well cylinder body, the piston groove has been seted up to the inside of well cylinder body, the both ends of well cylinder body are run through there is the opening, wherein, the piston has been run through to the inside of piston groove, the inside of opening is run through at the both ends of piston, one section cover that the piston is located the piston inslot has interior jar, the outside sliding connection of interior jar has the slide valve, the bottom fixedly connected with reset spring of slide valve, the spout has been seted up at the both sides middle part of slide valve, one side that well cylinder body is close to the spout is run through there is the slide bar groove, the inside threaded connection in slide bar groove has the slide bar. The utility model discloses a reset spring who sets up when oil pressure drives slide valve and piston downstream, makes reset spring compression, when slide valve and piston upstream, makes the slide valve can resume the original point through reset spring, when having avoided piston or slide valve stop position improper, the quartering hammer does not start the phenomenon.

Description

Hydraulic breaking hammer same-direction stroke distributing valve

Technical Field

The utility model relates to a hydraulic crushing hammer technical field specifically is hydraulic crushing hammer syntropy stroke distribution valve.

Background

The hydraulic breaking hammer is called as breaking hammer or breaker for short, the power source of the hydraulic breaking hammer is pressure provided by an excavator, a loader or a pump station, the hydraulic breaking hammer can effectively break stones and rocks in engineering construction, working efficiency is improved, when the hydraulic breaking hammer is used, the moving direction of a piston needs to be controlled through a distributing valve, and in order to optimize the structure of the distributing valve, the distributing valve with the same-direction stroke needs to be used.

Although the types and the number of the existing hydraulic breaking hammer equidirectional stroke distributing valves are very large, the existing hydraulic breaking hammer equidirectional stroke distributing valves still have certain problems and bring certain inconvenience to the use of the hydraulic breaking hammer equidirectional stroke distributing valves.

When the existing hydraulic breaking hammer equidirectional stroke distributing valve is used, the distributing valve performs reciprocating motion through hydraulic pressure, but when the distributing valve is reset, the distributing valve is inconvenient to completely restore to the original position, the phenomenon that the breaking hammer is not started is easily caused, and the hydraulic breaking hammer is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure quartering hammer syntropy stroke flow distribution valve has solved current hydraulic pressure quartering hammer syntropy stroke flow distribution valve and when using, and the flow distribution valve carries out reciprocating motion through hydraulic pressure, but when the flow distribution valve resets, inconveniently makes the flow distribution valve resume the normal position completely, leads to the not start-up phenomenon of quartering hammer easily, the problem of inconvenient use.

In order to achieve the above object, the utility model provides a following technical scheme: the hydraulic breaking hammer equidirectional stroke flow distribution valve comprises a middle cylinder body, wherein a piston groove is formed in the middle cylinder body, through holes penetrate through two ends of the middle cylinder body, wherein,

a piston penetrates through the piston groove, two ends of the piston penetrate through the inside of the through hole, an inner cylinder is sleeved on a section of the piston, which is positioned in the piston groove, and the outer side of the inner cylinder is connected with a sliding valve in a sliding manner;

the bottom fixedly connected with reset spring of sliding valve, the spout has been seted up at the both sides middle part of sliding valve, well cylinder body is close to one side of spout and has been run through the slide bar groove, the inside threaded connection in slide bar groove has the slide bar.

Preferably, the inner cylinder is annular and is fixedly connected with the middle cylinder body.

Preferably, the sliding valve is elastically connected with the middle cylinder body through a return spring, and the outer diameter of the return spring is larger than the inner diameter of the through hole.

Preferably, the width of the sliding groove is matched with the outer diameter of the sliding rod, and the sliding groove and the sliding rod form a sliding structure.

Preferably, one end of the sliding rod, which is close to the sliding valve, is provided with a ball groove, and a ball is arranged in the ball groove.

Preferably, the ball is a sphere, and the ball groove form a rolling structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a reset spring who sets up when oil pressure drives slide valve and piston downstream, makes reset spring compression, when slide valve and piston upstream, makes the slide valve can resume the original point through reset spring, when having avoided piston or slide valve stop position improper, the quartering hammer does not start the phenomenon.

2. The utility model discloses a slide bar and the spout that set up, when the slide valve reciprocated, the slide bar produced relative movement with the spout, through the sliding structure that spout and slide bar constitute, led the removal of slide valve, took place the skew when avoiding the slide valve to reciprocate.

3. The utility model discloses a ball groove and the ball that set up, when the slide bar removed in the spout, the slide valve drove the ball and takes place to roll at the ball inslot, and the rolling friction who produces through slide valve and ball replaces the sliding friction between slide valve and the slide bar, reduces the frictional force that the slide valve removal received, is convenient for make the slide valve remove.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the sliding rod of the present invention.

In the figure: 1. a middle cylinder body; 2. a piston groove; 3. a port; 4. a piston; 5. an inner cylinder; 6. a slide valve; 7. a return spring; 8. a chute; 9. a sliding bar slot; 10. a slide bar; 1001. a ball groove; 1002. and a ball.

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 to 3, the present invention provides a technical solution: the hydraulic breaking hammer equidirectional stroke distributing valve comprises a middle cylinder body 1, a piston groove 2, a through hole 3, a piston 4, an inner cylinder 5, a sliding valve 6, a return spring 7, a sliding groove 8, a sliding rod groove 9 and a sliding rod 10, wherein the piston groove 2 is arranged in the middle cylinder body 1, the through hole 3 penetrates through two ends of the middle cylinder body 1,

the piston groove 2 is internally provided with a piston 4 in a penetrating manner, two ends of the piston 4 penetrate through the inside of the through hole 3, one section of the piston 4 positioned in the piston groove 2 is sleeved with an inner cylinder 5, the inner cylinder 5 is annular, the inner cylinder 5 is fixedly connected with the middle cylinder body 1, the piston 4 is movably connected with the inner cylinder 5, when the piston 4 moves up and down, the piston 4 is prevented from driving the inner cylinder 5 to move, the outer side of the inner cylinder 5 is slidably connected with a sliding valve 6, the sliding valve 6 is elastically connected with the middle cylinder body 1 through a return spring 7, the outer diameter of the return spring 7 is larger than the inner diameter of the through hole 3, when the sliding valve 6 and the piston 4 are driven to move downwards, the return spring 7 is compressed, when the sliding valve 6 and the piston 4 move upwards, the sliding valve 6 can be restored to the original point through the return spring 7, and the situation that the piston 4 or the sliding valve 6 stops abnormally is, the breaking hammer does not start;

the bottom of the sliding valve 6 is fixedly connected with a return spring 7, the middle parts of two sides of the sliding valve 6 are provided with sliding grooves 8, the width of each sliding groove 8 is matched with the outer diameter of a sliding rod 10, the sliding grooves 8 and the sliding rods 10 form a sliding structure, when the sliding valve 6 moves up and down, the sliding rods 10 and the sliding grooves 8 move relatively, the sliding structure formed by the sliding grooves 8 and the sliding rods 10 guides the movement of the sliding valve 6 to avoid the deviation of the sliding valve 6 when moving up and down, a sliding rod groove 9 penetrates through one side, close to the sliding grooves 8, of the middle cylinder body 1, a sliding rod 10 is connected with the sliding rod groove 9 through internal threads, one end, close to the sliding valve 6, of the sliding rod 10 is provided with a ball groove 1001, the ball 1002 is arranged inside the ball groove 1001, the ball 1002 is a sphere, the ball 1002 and the ball groove 1001 form a rolling structure, when the sliding rod 10 moves in the sliding grooves, the sliding valve 6 drives the ball 1002 to roll in the ball groove 1001, and the rolling friction generated by the sliding valve 6 and the ball 1002 replaces the sliding friction between the sliding valve 6 and the sliding rod 10, so that the friction force applied to the sliding valve 6 during movement is reduced, and the sliding valve 6 can move conveniently.

The working principle is as follows: when the hydraulic breaking hammer equidirectional stroke distributing valve is used, firstly, the sliding rod 10 penetrates through the inside of the sliding rod groove 9 to enter the inside of the sliding groove 8 through threaded connection, when the sliding valve 6 and the piston 4 are driven to move downwards by hydraulic pressure, the sliding valve 6 enables the reset spring 7 to be compressed, when the sliding valve 6 and the piston 4 are pushed to move upwards by hydraulic pressure, the sliding valve 6 can be restored to the original point through the reset spring 7, the phenomenon that the breaking hammer is not started when the piston 4 or the sliding valve 6 are in improper stop positions is avoided, when the sliding valve 6 moves up and down, the sliding rod 10 and the sliding groove 8 move relatively, through a sliding structure formed by the sliding groove 8 and the sliding rod 10, the movement of the sliding valve 6 is guided, the deviation is avoided when the sliding valve 6 moves up and down, when the sliding rod 10 moves in the sliding groove 8, the sliding valve 6 drives the ball 1002 to roll in the ball groove 1001, and the rolling friction generated by the sliding valve 6 and the ball 1002 replaces the sliding friction between the sliding valve The friction force applied to the movement of the slide valve 6 is reduced, and the slide valve 6 is moved conveniently.

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. Hydraulic pressure quartering hammer syntropy stroke distribution valve, including well cylinder body (1), its characterized in that: a piston groove (2) is arranged in the middle cylinder body (1), through holes (3) are arranged at two ends of the middle cylinder body (1) in a penetrating way, wherein,

a piston (4) penetrates through the piston groove (2), two ends of the piston (4) penetrate through the through hole (3), an inner cylinder (5) is sleeved on a section, located in the piston groove (2), of the piston (4), and the outer side of the inner cylinder (5) is connected with a sliding valve (6) in a sliding mode;

the bottom fixedly connected with reset spring (7) of slide valve (6), spout (8) have been seted up at the both sides middle part of slide valve (6), well cylinder body (1) is close to one side of spout (8) and has been run through slide bar groove (9), the inside threaded connection of slide bar groove (9) has slide bar (10).

2. The hydraulic demolition hammer co-stroking distribution valve according to claim 1, characterized in that: the inner cylinder (5) is annular, and the inner cylinder (5) is fixedly connected with the middle cylinder body (1).

3. The hydraulic demolition hammer co-stroking distribution valve according to claim 1, characterized in that: the sliding valve (6) is elastically connected with the middle cylinder body (1) through a return spring (7), and the outer diameter of the return spring (7) is larger than the inner diameter of the through hole (3).

4. The hydraulic demolition hammer co-stroking distribution valve according to claim 1, characterized in that: the width of the sliding chute (8) is matched with the outer diameter of the sliding rod (10), and the sliding chute (8) and the sliding rod (10) form a sliding structure.

5. The hydraulic demolition hammer co-stroking distribution valve according to claim 1, characterized in that: the sliding rod (10) comprises a ball groove (1001) and a ball (1002), the ball groove (1001) is formed in one end, close to the sliding valve (6), of the sliding rod (10), and the ball (1002) is arranged inside the ball groove (1001).

6. The hydraulic demolition hammer co-stroking distribution valve according to claim 5, characterized in that: the ball (1002) is a sphere, and the ball (1002) and the ball groove (1001) form a rolling structure.