CN210066876U

CN210066876U - Breaking hammer supercharger

Info

Publication number: CN210066876U
Application number: CN201920507504.0U
Authority: CN
Inventors: 杨明; 赵立羽
Original assignee: Changzhou Ma Ma Construction Machinery Co Ltd
Current assignee: Changzhou Ma Ma Construction Machinery Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-14
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a quartering hammer booster, including piston, drill rod and hydro-cylinder, the inside of hydro-cylinder is provided with the piston, the lower extreme of piston is provided with the drill rod, the lower extreme of hydro-cylinder is provided with the oversheath, the lower extreme of drill rod passes the oversheath space between piston and the inside top of hydro-cylinder sets up to the nitrogen cavity, the upper end of hydro-cylinder is provided with the mounting panel, be provided with the energy storage ware on the left side lateral wall of hydro-cylinder, be provided with the friction pad on the inside lateral wall of hydro-cylinder. The utility model discloses a set up friction pad and energy storage ware, solved among the quartering hammer booster its booster the striking dynamics inadequately and the easy problem that increases of friction between the inside structure of quartering hammer.

Description

Breaking hammer supercharger

Technical Field

The utility model relates to a quartering hammer technical field specifically is a quartering hammer booster.

Background

The hydraulic breaking hammer can effectively clean floating stones and soil in rock gaps in the action of excavating a building foundation, the most important characteristic of the hydraulic breaking hammer is that the striking force and the impact energy are the same, the power of the hydraulic breaking hammer is from dynamic and static carriers such as an excavator, hydraulic oil drives a piston to do work in a reciprocating mode, and due to the fact that the striking force in the breaking hammer is insufficient, a supercharging device is needed due to attack.

However, the prior art has the following defects:

1. in the existing breaking hammer supercharger, the hitting force of the supercharger is insufficient, so that multiple times of work are required, the working time is increased, and the working efficiency is influenced.

2. In the existing breaking hammer supercharger, when in work, the friction between the structures inside the breaking hammer is easy to increase, so that the service life of the breaking hammer is shortened.

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 quartering hammer booster has solved the problem that the striking dynamics of its booster is not enough and the easy increase of friction between the inside structure of quartering hammer among the quartering hammer booster.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quartering hammer booster, includes piston, drill rod and hydro-cylinder, the inside of hydro-cylinder is provided with the piston, the lower extreme of piston is provided with the drill rod, the lower extreme of hydro-cylinder is provided with the oversheath, the lower extreme of drill rod passes the oversheath, the space between piston and the inside top of hydro-cylinder sets up to nitrogen chamber, the upper end of hydro-cylinder is provided with the mounting panel, be provided with the energy storage ware on the left side lateral wall of hydro-cylinder, be provided with the friction pad on the inside lateral wall of hydro-cylinder.

Preferably, the upper end of the oil cylinder is provided with four screw holes.

Preferably, the screw holes are formed in the positions, corresponding to the screw holes in the oil cylinder, of the mounting plate, bolts are arranged in the screw holes, and the mounting plate is connected with the oil cylinder through the bolts.

Preferably, an air pipe is arranged in the side wall of the oil cylinder at the upper end of the energy accumulator, a valve is installed on the air pipe, one end of the air pipe is connected with the energy accumulator, and the other end of the air pipe is communicated with the nitrogen cavity.

Preferably, the piston is arranged in a friction pad, the upper end of the drill rod is arranged in the friction pad, a limiting ring is arranged below the position of the friction pad on the side wall of the inner portion of the oil cylinder, and the limiting ring is sleeved on the drill rod.

Preferably, a limit groove is formed in the middle end of the outer portion of the oil cylinder, and an oil port is formed in the front side of the oil cylinder at the upper end of the limit groove.

(III) advantageous effects

The utility model provides a quartering hammer booster possesses following beneficial effect:

(1) the utility model discloses a set up the energy storage ware, through installing the energy storage ware in the left side of hydro-cylinder, after the piston promotes drill rod work, hydraulic oil in the hydro-cylinder can flow back, thereby make the piston can move back, thereby make the nitrogen gas of piston extrusion nitrogen gas intracavity, through opening the valve, thereby make nitrogen gas pass through during the trachea gets into the energy storage ware, when the piston carries out secondary during operation, release the nitrogen gas of compression to the nitrogen gas intracavity through the energy storage ware, thereby make the pressure of nitrogen gas chamber increase in the twinkling of an eye, thereby make the piston to the increase in the twinkling of an eye of the dynamics of strikeing of drill rod, thereby make the drill rod to the increase in the twinkling of an eye of the dynamics of strikeing of material, the problem that the dynamics of strikeing of its booster is not enough.

(2) The utility model discloses a set up the friction pad, after the piston strikes the drill rod, the drill rod can remove, thereby the drill rod rubs with the inside production of hydro-cylinder, therefore, through installing the friction pad on the hydro-cylinder inner wall that the piston contacted with the drill rod, thereby prevent that drill rod and hydro-cylinder inner wall from producing the condition of friction and causing wearing and tearing, can guarantee that the drill rod can linear motion through setting up spacing ring and bearing, can play the effect of fixed hydro-cylinder through the spacing groove that is provided with, the problem of the easy increase of friction between the inside structure of quartering hammer has been solved, the benefit of drill rod disappearance motion deviation has been possessed simultaneously.

Drawings

FIG. 1 is an internal structural view of the present invention;

FIG. 2 is an external structural view of the present invention;

fig. 3 is a top view structural diagram of the present invention.

The reference numbers in the figures are: 1. mounting a plate; 2. a nitrogen chamber; 3. a friction pad; 4. a piston; 5. a drill rod; 6. a limiting ring; 7. a bearing; 8. an outer sheath; 9. a limiting groove; 10. an accumulator; 11. a valve; 12. an air tube; 13. an oil cylinder; 14. an oil port; 15. a screw hole; 16. and (4) bolts.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a breaking hammer supercharger comprises a piston 4, a drill rod 5 and an oil cylinder 13, wherein the piston 4 is arranged inside the oil cylinder 13, the drill rod 5 is arranged at the lower end of the piston 4, an outer sheath 8 is arranged at the lower end of the oil cylinder 13, the lower end of the drill rod 5 penetrates through the outer sheath 8, a nitrogen gas cavity 2 is arranged in a space between the piston 4 and the top end inside the oil cylinder 13, a mounting plate 1 is arranged at the upper end of the oil cylinder 13, an energy accumulator 10 is arranged on the left side wall of the oil cylinder 13, a friction pad 3 is arranged on the side wall inside the oil cylinder 13, screw holes 15 are arranged at the upper end of the oil cylinder 13, four screw holes 15 are arranged, screw holes 15 are arranged at positions, corresponding to the screw holes 15 on the oil cylinder 13, on the mounting plate 1, bolts 16 are arranged in the screw holes 15, the mounting plate 1 is, one end of the air pipe 12 is connected with the energy accumulator 10, the other end of the air pipe 12 is communicated with the nitrogen cavity 2, the energy accumulator 10 is installed on the left side of the oil cylinder 13, when the piston 4 pushes the drill rod 5 to work, hydraulic oil in the oil cylinder 13 can flow back, so that the piston 4 can move back, the piston 4 can extrude nitrogen in the nitrogen cavity 2, the nitrogen can enter the energy accumulator 10 through the air pipe 12 by opening the valve 11, when the piston 4 works for the second time, the compressed nitrogen is released into the nitrogen cavity 2 through the energy accumulator 10, so that the pressure of the nitrogen cavity 2 is increased instantaneously, the striking force of the piston 4 to the drill rod 5 is increased instantaneously, the instantaneous increase of the striking force of the drill rod 5 to materials is achieved, the problem that the striking force of a supercharger in the breaking hammer supercharger is insufficient is solved, meanwhile, the structure is simple, and the operation is convenient, the piston 4 is arranged in the friction pad 3, the upper end part of the drill rod 5 is arranged in the friction pad 3, the limiting ring 6 is arranged below the position of the friction pad 3 on the inner side wall of the oil cylinder 13, the drill rod 5 moves after the piston 4 strikes the drill rod 5, so that the drill rod 5 and the oil cylinder 13 generate friction, therefore, the friction pad 3 is arranged on the inner wall of the oil cylinder 13, which is contacted with the drill rod 5, of the piston 4, so that the situation that the drill rod 5 and the inner wall of the oil cylinder 13 generate friction to cause abrasion is prevented, the linear motion of the drill rod 5 can be ensured by arranging the limiting ring 6 and the bearing 7, the effect of fixing the oil cylinder 13 can be achieved by arranging the limiting groove 9, the problem that the friction between structures in the breaking hammer is easy to increase is solved, meanwhile, the advantage that the motion deviation of the drill rod 5 does not occur is provided, the limiting ring 6 is sleeved on the drill rod 5, the middle end outside of the oil cylinder 13, an oil port 14 is arranged at the front side of an oil cylinder 13 at the upper end of the limiting groove 9.

The working principle is as follows: when the utility model is used, the energy accumulator 10 is arranged on the left side of the oil cylinder 13, when the piston 4 pushes the drill rod 5 to work, the hydraulic oil in the oil cylinder 13 can flow back, so that the piston 4 can move back, the piston 4 can extrude the nitrogen in the nitrogen chamber 2, the nitrogen can enter the energy accumulator 10 through the air pipe 12 by opening the valve 11, when the piston 4 carries out secondary work, the compressed nitrogen is released into the nitrogen chamber 2 through the energy accumulator 10, the pressure of the nitrogen chamber 2 is increased instantly, the striking force of the piston 4 to the drill rod 5 is increased instantly, the striking force of the drill rod 5 to the material is increased instantly, after the piston 4 strikes the drill rod 5, the drill rod 5 can move, friction is generated between the drill rod 5 and the inside of the oil cylinder 13, therefore, by arranging the friction pad 3 on the inner wall of the oil cylinder 13, which is contacted with the drill rod 5, of the piston 4, the drill rod 5 is prevented from being abraded due to friction with the inner wall of the oil cylinder 13, the drill rod 5 can be guaranteed to move linearly by arranging the limiting ring 6 and the bearing 7, the limiting groove 9 is arranged to play a role in fixing the oil cylinder 13, and the oil cylinder 13 can be connected with an external structure by arranging the bolt 16 on the mounting plate 1.

To sum up can, the utility model discloses a set up friction pad 3 and energy storage ware 10, solved among the quartering hammer booster the striking dynamics of its booster not enough and the easy problem that increases of friction between the inside structure of quartering hammer.

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.

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 quartering hammer booster, includes piston (4), drill rod (5) and hydro-cylinder (13), its characterized in that: the novel oil cylinder is characterized in that a piston (4) is arranged inside the oil cylinder (13), a drill rod (5) is arranged at the lower end of the piston (4), an outer sheath (8) is arranged at the lower end of the oil cylinder (13), the lower end of the drill rod (5) penetrates through the outer sheath (8), a nitrogen cavity (2) is arranged in a space between the piston (4) and the top end inside the oil cylinder (13), a mounting plate (1) is arranged at the upper end of the oil cylinder (13), an energy accumulator (10) is arranged on the side wall of the left side of the oil cylinder (13), and a friction pad (3) is arranged on the side wall inside the oil.

2. A demolition hammer booster as claimed in claim 1, wherein: the upper end of the oil cylinder (13) is provided with four screw holes (15), and the number of the screw holes (15) is four.

3. A demolition hammer booster as claimed in claim 1, wherein: screw hole (15) have all been seted up to the position department that corresponds screw hole (15) on hydro-cylinder (13) on mounting panel (1), all be provided with bolt (16) in screw hole (15), mounting panel (1) is connected with hydro-cylinder (13) through bolt (16).

4. A demolition hammer booster as claimed in claim 1, wherein: an air pipe (12) is arranged in the side wall of an oil cylinder (13) at the upper end of the energy accumulator (10), a valve (11) is installed on the air pipe (12), one end of the air pipe (12) is connected with the energy accumulator (10), and the other end of the air pipe (12) is communicated with the nitrogen gas cavity (2).

5. A demolition hammer booster as claimed in claim 1, wherein: the piston (4) is arranged in the friction pad (3), the upper end of the drill rod (5) is arranged in the friction pad (3), a limiting ring (6) is arranged below the position of the friction pad (3) on the inner side wall of the oil cylinder (13), and the limiting ring (6) is sleeved on the drill rod (5).

6. A demolition hammer booster as claimed in claim 1, wherein: the oil cylinder is characterized in that a limiting groove (9) is formed in the middle end of the outer portion of the oil cylinder (13), and an oil port (14) is formed in the front side of the oil cylinder (13) at the upper end of the limiting groove (9).