CN213952329U

CN213952329U - Novel hydraulic hammer convenient to maintain and use

Info

Publication number: CN213952329U
Application number: CN202022938564.3U
Authority: CN
Inventors: 罗斌
Original assignee: Ma'anshan Anrui Machinery Co ltd
Current assignee: Ma'anshan Anrui Machinery Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-13
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a hydraulic hammer technical field just discloses a novel hydraulic hammer convenient to maintain usefulness, including well jar, the inboard movable mounting of well jar has the piston rod, the inside of well jar and the outside that is located the piston rod have seted up the buffer zone, the right side movable mounting of buffer zone has the valve body, the inboard fixed mounting of valve body has the valve barrel, the inboard movable mounting of valve barrel has the case, the right side movable mounting of case has the support ring. This novel hydraulic hammer convenient to maintain usefulness, through setting up spacing lid and connecting screw, the screw hole that in addition and connecting screw looks adaptation was all seted up in the inside of spacing lid and the left side that is located four accepting grooves, the mounting groove with spacing lid looks adaptation is seted up in the left side of well jar, the inside of well jar is seted up quantity for four and with the thread groove of connecting screw looks adaptation, screw out from the right side of spacing lid, can conveniently tear spacing lid open out, the convenience is maintained the valve body and is safeguarded and change.

Description

Novel hydraulic hammer convenient to maintain and use

Technical Field

The utility model relates to a hydraulic hammer technical field specifically is a novel hydraulic hammer of being convenient for maintain usefulness.

Background

The hydraulic breaking hammer is called as the breaking hammer or the breaker for short, the power source of the hydraulic breaking hammer is the pressure provided by an excavator, a loader or a pump station, the hydraulic breaking hammer can effectively break stones and rocks in engineering construction, the working efficiency is improved, and the most suitable hydraulic breaking hammer is selected according to the model of the excavator or the operating environment.

The hydraulic hammer that has now is inconvenient tears the spacing lid open out, around the hydraulic hammer uses, and is inconvenient to the valve body of hydraulic hammer inside maintenance and change, so proposes a novel hydraulic hammer of being convenient for maintain the usefulness and solve above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel hydraulic hammer of being convenient for maintain usefulness possesses the convenience and tears advantages such as out spacing lid open, has solved that current hydraulic hammer is inconvenient to tear out spacing lid open, around the hydraulic hammer uses, inconvenient maintenance and the problem of changing to the valve body of hydraulic hammer inside.

(II) technical scheme

In order to realize the purpose of conveniently tearing the limit cover open, the utility model provides a following technical scheme: a novel hydraulic hammer convenient for maintenance comprises a middle cylinder, wherein a piston rod is movably mounted on the inner side of the middle cylinder, a buffer area is formed in the middle cylinder and located on the outer side of the piston rod, a valve body is movably mounted on the right side of the buffer area, a valve sleeve is fixedly mounted on the inner side of the valve body, a valve core is movably mounted on the inner side of the valve sleeve, a support ring is movably mounted on the right side of the valve core, a limit cover is movably mounted on the right side of the support ring, a ball disc is fixedly mounted in the limit cover and located on the outer side of the piston rod, a connecting screw extending into the middle cylinder is movably mounted on the right side of the limit cover, an anti-seepage oil sleeve is fixedly mounted on the right side of the limit cover and located on the outer side of the piston rod, a lantern ring is movably mounted on the left side of the piston rod and located on the left side of the middle cylinder, an oil inlet connecting pipe extending to the front outer side of the middle cylinder is fixedly mounted in the middle cylinder, and an oil outlet connecting pipe extending to the inside of the middle cylinder is fixedly arranged below the oil inlet connecting pipe.

Preferably, the number of the connecting screws is four, and the distances from the four connecting screws to the axis of the piston rod are equal.

Preferably, the inner side of the limiting cover is provided with four accommodating grooves matched with the connecting screws, and threaded holes matched with the connecting screws are formed in the limiting cover and positioned on the left sides of the four accommodating grooves.

Preferably, the left side of the middle cylinder is provided with an installation groove matched with the limit cover, and the inside of the middle cylinder is provided with four thread grooves matched with the connecting screws.

Preferably, the ball disc comprises a limiting disc and balls, and the outer sides of the balls are movably connected with the outer side of the piston rod.

Preferably, the inner diameter of the anti-seepage oil sleeve is matched with the outer diameter of the piston rod, and the inner side of the anti-seepage oil sleeve is movably connected with the outer side of the piston rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel hydraulic hammer of being convenient for maintain usefulness possesses following beneficial effect:

the novel hydraulic hammer convenient for maintenance is characterized in that the limit cover and the connecting screws are arranged, threaded holes matched with the connecting screws are formed in the limit cover and positioned on the left sides of the four accommodating grooves, the left side of the middle cylinder is provided with the mounting grooves matched with the limit cover, the four threaded grooves matched with the connecting screws are formed in the middle cylinder, the connecting screws are screwed out from the right side of the limit cover, the limit cover can be conveniently detached, the valve body can be conveniently maintained and replaced, the ball disc comprises the limit disc and the balls, the outer sides of the balls are movably connected with the outer side of the piston rod, the piston rod can conveniently move left and right on the inner side of the limit cover, the left and right reciprocating motion of the piston rod can be conveniently controlled through the valve body, the valve sleeve and the valve core, the reaction sensitivity of the piston rod is greatly improved, the reversing time is greatly shortened, and the piston rod can rapidly work, through setting up prevention of seepage oil jacket, can be with the inboard of hydraulic oil separation at well jar, avoid oozing of hydraulic oil, arouse the situation such as oil leakage, influence the dynamics of impact hammer, improve hydraulic hammer's performance.

Drawings

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

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

fig. 3 is a schematic view of the front side of the structure of the present invention.

In the figure: the oil-out valve comprises a middle cylinder 1, a piston rod 2, a buffer zone 3, a valve body 4, a valve sleeve 5, a valve core 6, a support ring 7, a limit cover 8, a ball disc 9, a connecting screw 10, an anti-seepage oil sleeve 11, a lantern ring 12, an oil inlet connecting pipe 13 and an oil outlet connecting pipe 14.

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 novel hydraulic hammer convenient for maintenance comprises a middle cylinder 1, a piston rod 2 is movably mounted on the inner side of the middle cylinder 1, a buffer zone 3 is disposed inside the middle cylinder 1 and located on the outer side of the piston rod 2, a valve body 4 is movably mounted on the right side of the buffer zone 3, a valve sleeve 5 is fixedly mounted on the inner side of the valve body 4, a valve core 6 is movably mounted on the inner side of the valve sleeve 5, a support ring 7 is movably mounted on the right side of the valve core 6, a limit cover 8 is movably mounted on the right side of the support ring 7, a ball disc 9 is fixedly mounted inside the limit cover 8 and located on the outer side of the piston rod 2, the ball disc 9 comprises a limit disc and balls, the outer sides of the balls are movably connected with the outer side of the piston rod 2, a connecting screw 10 extending into the middle cylinder 1 is movably mounted on the right side of the limit cover 8, a mounting groove adapted to the limit cover 8 is disposed on the left side of the middle cylinder 1, four thread grooves adapted to the connecting screw 10 are disposed inside the middle cylinder 1, the inner side of the limiting cover 8 is provided with four accommodating grooves which are matched with the connecting screws 10, the left sides of the four accommodating grooves in the limiting cover 8 are provided with threaded holes matched with the connecting screws 10, the number of the connecting screws 10 is four, the distances from the four connecting screws 10 to the axis of the piston rod 2 are equal, the right side of the limiting cover 8 and the outer side of the piston rod 2 are fixedly provided with an anti-seepage oil sleeve 11, the inner diameter of the anti-seepage oil sleeve 11 is matched with the outer diameter of the piston rod 2, the inner side of the anti-seepage oil sleeve 11 is movably connected with the outer side of the piston rod 2, the left side of the piston rod 2 and the outer side of the middle cylinder 1 are movably provided with a lantern ring 12, the inner part of the middle cylinder 1 is fixedly provided with an oil inlet pipe 13 extending to the outer side of the front face of the middle cylinder 1, and an oil outlet connecting pipe 14 extending to the inner part of the middle cylinder 1 is fixedly arranged below the oil inlet connecting pipe 13.

To sum up, the novel hydraulic hammer convenient for maintenance has the advantages that by arranging the limit cover 8 and the connecting screw 10, the left sides of the four accommodating grooves inside the limit cover 8 are provided with the threaded holes matched with the connecting screw 10, the left side of the middle cylinder 1 is provided with the mounting groove matched with the limit cover 8, the inside of the middle cylinder 1 is provided with the four threaded grooves matched with the connecting screw 10, the connecting screw 10 is screwed out from the right side of the limit cover 8, the limit cover 8 can be conveniently detached, the maintenance and replacement of the valve body 4 are convenient, by arranging the ball disc 9, the ball disc 9 comprises the limit disc and the balls, the outer sides of the balls are movably connected with the outer side of the piston rod 2, the piston rod 2 can conveniently move left and right on the inner side of the limit cover 8, the left and right reciprocating motion of the piston rod is conveniently controlled by the valve body 4, the valve sleeve 5 and the valve core 6, so that the reaction of the piston rod 2 is greatly improved, the reversing time is greatly shortened, the piston rod 2 can work rapidly, hydraulic oil can be blocked on the inner side of the middle cylinder 1 by arranging the anti-seepage oil sleeve 11, the situation that oil leakage is caused by seepage of the hydraulic oil, the force of the impact hammer is influenced, and the use performance of the hydraulic hammer is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 novel hydraulic hammer convenient to maintain usefulness, includes well jar (1), its characterized in that: the inner side of the middle cylinder (1) is movably provided with a piston rod (2), the inner side of the middle cylinder (1) is positioned outside the piston rod (2) and is provided with a buffer area (3), the right side of the buffer area (3) is movably provided with a valve body (4), the inner side of the valve body (4) is fixedly provided with a valve sleeve (5), the inner side of the valve sleeve (5) is movably provided with a valve core (6), the right side of the valve core (6) is movably provided with a support ring (7), the right side of the support ring (7) is movably provided with a limit cover (8), the inner side of the limit cover (8) is fixedly provided with a ball disc (9) positioned outside the piston rod (2), the right side of the limit cover (8) is movably provided with a connecting screw (10) extending to the inner side of the middle cylinder (1), the right side of the limit cover (8) is fixedly provided with an anti-seepage oil sleeve (11), the outside of piston rod (2) and the left side movable mounting who is located well jar (1) have lantern ring (12), the inside fixed mounting of well jar (1) has oil feed takeover (13) that extends to well jar (1) the positive outside, the below fixed mounting of oil feed takeover (13) has the oil outlet takeover (14) that extends to well jar (1) inside.

2. The novel hydraulic hammer of claim 1, wherein: the number of the connecting screws (10) is four, and the distances from the four connecting screws (10) to the axis of the piston rod (2) are equal.

3. The novel hydraulic hammer of claim 1, wherein: the inner side of the limiting cover (8) is provided with four containing grooves matched with the connecting screws (10), and threaded holes matched with the connecting screws (10) are formed in the limiting cover (8) and located on the left sides of the four containing grooves.

4. The novel hydraulic hammer of claim 1, wherein: the left side of the middle cylinder (1) is provided with a mounting groove matched with the limiting cover (8), and the inside of the middle cylinder (1) is provided with four thread grooves matched with the connecting screws (10).

5. The novel hydraulic hammer of claim 1, wherein: the ball plate (9) comprises a limiting plate and balls, and the outer sides of the balls are movably connected with the outer side of the piston rod (2).

6. The novel hydraulic hammer of claim 1, wherein: the inner diameter of the anti-seepage oil sleeve (11) is matched with the outer diameter of the piston rod (2), and the inner side of the anti-seepage oil sleeve (11) is movably connected with the outer side of the piston rod (2).