阅读说明：本技术 一种基于远程精密调控力度的液压锤击系统 (Hydraulic hammering system based on remote precise force regulation and control ) 是由 王峥 高利强 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种基于远程精密调控力度的液压锤击系统,该系统包括：液压锤氮气弹簧气室的出气口通过高压介质管路连通单向阀的出气口,单向阀的进气口连通若干截止阀的出气口,若干截止阀的进气口连通分气排,分气排的前端左侧安装带有消声器的放气阀,放气阀前端的分气排上安装有压力表,相对于压力表另一侧的分气排上安装有安全阀,分气排前端顶部通过软管连通精密调压阀的出气口,精密调压阀的进气口连通压力调节阀出气口,压力调节阀的进气口连通高压氮气瓶。本发明的有益效果：具备了自动补气、气压恒定的性能,不会再因为氮气弹簧气体泄漏导致气压降低、锤击力减弱,使得液压锤本体具备2年以上长期免维护或远程维护的性能。(The invention discloses a hydraulic hammering system based on remote precise force regulation, which comprises: the gas outlet of the hydraulic hammer nitrogen spring gas chamber is communicated with the gas outlet of the one-way valve through a high-pressure medium pipeline, the gas inlet of the one-way valve is communicated with the gas outlets of the plurality of stop valves, the gas inlets of the plurality of stop valves are communicated with the gas distribution row, the left side of the front end of the gas distribution row is provided with a gas release valve with a silencer, the gas distribution row at the front end of the gas release valve is provided with a pressure gauge, the gas distribution row opposite to the pressure gauge is provided with a safety valve, the top of the front end of the gas distribution row is communicated with the gas outlet of the precise pressure regulating valve through a hose. The invention has the beneficial effects that: the hydraulic hammer has the advantages of having the performance of automatic air supply and constant air pressure, avoiding air pressure reduction and weakening hammering force caused by air leakage of the nitrogen spring, and enabling the hydraulic hammer body to have the performance of long-term maintenance-free or remote maintenance for more than 2 years.)

1. The utility model provides a hydraulic pressure hammering system based on long-range accurate regulation and control dynamics which characterized in that, this system includes: the gas outlet of the hydraulic hammer nitrogen spring gas chamber (1) is communicated with the gas outlet of a check valve (3) through a high-pressure medium pipeline (2), the gas inlet of the check valve (3) is communicated with the gas outlet of a plurality of stop valves (4), the gas inlet of the stop valves (4) is communicated with a gas distribution row (5), the left side of the front end of the gas distribution row (5) is provided with a gas release valve (7) with a silencer (6), the gas distribution row (5) at the front end of the gas release valve (7) is provided with a pressure gauge (8), the gas distribution row (5) on the other side relative to the pressure gauge (8) is provided with a safety valve (9), the top of the front end of the gas distribution row (5) is communicated with the gas outlet of a precision pressure regulating valve (11) through a hose (10), and the gas inlet of the precision pressure regulating valve (11) is communicated with the gas outlet of, and the air inlet of the pressure regulating valve (12) is communicated with a high-pressure nitrogen cylinder (13).

2. The hydraulic hammering system based on remote precise force regulation and control of claim 1, wherein the hydraulic hammer nitrogen spring air chamber (1) is provided with a high-pressure flange, and the hydraulic hammer nitrogen spring air chamber (1) is communicated with the high-pressure medium pipeline (2) through the high-pressure flange arranged on the hydraulic hammer nitrogen spring air chamber.

3. The hydraulic hammering system based on remote precise force regulation and control of claim 1, wherein the outer wall of the high-pressure medium pipeline (2) is sequentially wrapped with a flame-retardant barrier reinforcing layer and a flame-retardant wear-resistant layer.

4. The hydraulic hammering system based on remote precise force regulation and control of claim 1, wherein a plurality of sets of hydraulic hammer nitrogen spring air chambers (1) are communicated with a plurality of gas distribution rows (5) through the stop valve (4) and the one-way valve (3).

5. The hydraulic hammering system based on remote precise force regulation and control according to claim 1, wherein the outlet of the high-pressure nitrogen cylinder (13) is communicated with the front end of the gas distribution row (5) through the hose (10) after passing through the pressure regulating valve (12) and the precise pressure regulating valve (11) which are arranged in sequence.

6. The hydraulic hammering system based on remote precise force regulation and control of claim 1, wherein the hammering parameters of the nitrogen spring air chamber (1) of the hydraulic hammer are matched with the volume parameters of the high-pressure medium pipeline.

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a hydraulic hammering system based on remote precise force regulation and control.

Background

The hydraulic hammer is also called as a hydraulic breaking hammer and is widely applied to engineering machinery, a pointed end hammering rod is installed and used for breaking and dismantling stone materials, pavements, concrete buildings and the like, the hydraulic hammer structurally comprises a hydraulic piston cylinder body, a nitrogen spring and a hammer rod connecting piece, the operating principle of the hydraulic hammer is that hydraulic oil drives a piston rod to move, the nitrogen spring is compressed to store energy, a hydraulic valve is reversed, the piston rod releases to do work and hammering, the hammering strength is mainly determined by the air pressure filled by the nitrogen spring, the hammering strength is large when the air pressure is high, the nitrogen spring is a closed air chamber and is sealed by a rubber ring, a certain leakage rate is realized, the air is replenished by a valve core structure, the air pressure leakage is lower than a certain pressure, the air replenishment needs to be checked, the maintenance period is 3-6 months generally, the maintenance period under the extremely low temperature environment is shorter, and in some special, the installation position of the hydraulic hammer is in a storage bin and is buried by materials, the working temperature is extremely low and can reach-40 ℃, frequent manual overhaul can bring great influence on production, and the cost is high, so that the hydraulic hammer is required to have the performance of long-term maintenance-free or remote maintenance over 2 years; and different feed bins and material kind also differ to the dynamics requirement of broken hammering, require that the dynamics of hydraulic hammer will be adjustable and remain stable for a long time, and the hydraulic hammer of using at present can not satisfy the requirement of performance, awaits urgently to provide a professional hydraulic hammer system that can satisfy user demand.

Disclosure of Invention

Aiming at the technical problems in the related art, the invention provides a hydraulic hammering system based on remote precise regulation and control of force, which can realize remote precise regulation without frequently overhauling and replenishing air to a hydraulic hammer, so that a hydraulic hammer body has long-term maintenance-free performance or remote maintenance performance for more than 2 years.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows: a hydraulic hammering system based on remote precise regulation and control of force degree, the system includes: hydraulic hammer nitrogen spring air chamber, the gas outlet of hydraulic hammer nitrogen spring air chamber passes through the gas outlet of high-pressure medium pipeline intercommunication check valve, the gas outlet of a plurality of stop valves of air inlet intercommunication of check valve, it is a plurality of the gas outlet of the air inlet intercommunication branch gas row of stop valve, the front end left side installation of branch gas row has the bleed valve of silencer, the bleed valve front end divide and gas to arrange and install the manometer, for the manometer opposite side divide and arrange to install the relief valve, divide gas row front end top to pass through the gas outlet of hose intercommunication precision pressure regulating valve, the air inlet intercommunication pressure regulating valve gas outlet of precision pressure regulating valve, pressure regulating valve's air inlet intercommunication high-pressure nitrogen cylinder, hydraulic hammer nitrogen spring air chamber passes through high-pressure medium pipeline intercommunication nitrogen gas pressure regulating unit.

Furthermore, the hydraulic hammer nitrogen spring air chamber is provided with a high-pressure flange and is communicated with the high-pressure medium pipeline through the high-pressure flange arranged on the hydraulic hammer nitrogen spring air chamber.

Furthermore, the outer wall of the high-pressure medium pipeline is sequentially wrapped with a flame-retardant barrier enhancement layer and a flame-retardant wear-resistant layer.

Furthermore, the plurality of gas distribution rows are communicated with the plurality of sets of hydraulic hammer nitrogen springs through the stop valve and the one-way valve.

Furthermore, the outlet of the high-pressure nitrogen cylinder is communicated with the front end of the gas distribution row through the hose after passing through the pressure regulating valve and the precise pressure regulating valve which are arranged in sequence.

Furthermore, the hammering parameter of the nitrogen spring air chamber of the hydraulic hammer is matched with the volume parameter of the high-pressure medium pipeline.

The invention has the beneficial effects that: in view of the defects in the prior art, the method has the following beneficial effects:

1) the nitrogen spring air chamber of the hydraulic hammer is connected to the nitrogen pressure regulating system through a high-pressure pipeline, so that the hydraulic hammer has the performances of automatic air supply and constant air pressure, and the reduction of air pressure and the weakening of hammering force caused by the leakage of nitrogen spring air are avoided, so that the hydraulic hammer does not need to be frequently overhauled and supplied with air, and the hydraulic hammer body has the performance of long-term maintenance-free or remote maintenance for more than 2 years;

2) the gas pressure filled in the nitrogen spring gas chamber of the hydraulic hammer realizes remote precise adjustment, so that the hammering force of the hydraulic hammer can be precisely adjusted and controlled, and the requirements of different storage bins and material types on the hammering force are met;

3) the nitrogen pressure regulating system can be simultaneously connected with a plurality of paths of hydraulic hammers, is arranged in a control room near the installation place of the hydraulic hammers, is connected with the hydraulic hammers through a long pipeline, and is convenient for personnel to intensively regulate and control the operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram illustrating the results of a hydraulic hammering system based on remote precise force control according to an embodiment of the present invention;

in the figure: 1. a hydraulic hammer nitrogen spring air chamber; 2. a high-pressure medium pipeline; 3. a one-way valve; 4. a stop valve; 5. gas distribution and discharge; 6. a muffler; 7. a deflation valve; 8. a pressure gauge; 9. a safety valve; 10. a hose; 11. a precision pressure regulating valve; 12. a pressure regulating valve; 13. a high-pressure nitrogen cylinder.

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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in fig. 1, the hydraulic hammering system based on remote precise force control according to the embodiment of the present invention includes: hydraulic hammer nitrogen spring air chamber 1, hydraulic hammer nitrogen spring air chamber 1's gas outlet passes through the gas outlet of 2 intercommunication check valves 3 of high pressure medium pipeline, the gas outlet of a plurality of stop valves 4 of air inlet intercommunication of check valve 3, it is a plurality of the air inlet of stop valve 4 communicates branch gas row 5, the front end left side installation of branch gas row 5 has the bleed valve 7 of silencer 6, 7 front ends of bleed valve install manometer 8 on the branch gas row 5, for the manometer 8 opposite side install relief valve 9 on the branch gas row 5, divide the gas row 5 front end top to pass through the gas outlet of hose 10 intercommunication precision pressure regulating valve 11, the air inlet of precision pressure regulating valve 11 communicates pressure regulating valve 12 gas outlet, the air inlet of pressure regulating valve 12 communicates high-pressure nitrogen gas bottle 13.

In a specific embodiment of the invention, the hydraulic hammer nitrogen spring air chamber 1 is provided with a high-pressure flange, the hydraulic hammer nitrogen spring air chamber 1 is communicated with the high-pressure medium pipeline 2 through the high-pressure flange arranged on the hydraulic hammer nitrogen spring air chamber 1, the outer wall of the high-pressure medium pipeline 2 is sequentially wrapped with a flame-retardant barrier enhancement layer and a flame-retardant wear-resistant layer, the hydraulic hammer nitrogen spring air chamber 1 is communicated with a nitrogen pressure regulating unit through the high-pressure medium pipeline 2, wherein the nitrogen pressure regulating unit comprises the check valve 3, the stop valve 4, the gas distribution row 5, the gas release valve 7, the pressure gauge 8, the safety valve 9, the precise pressure regulating valve 11 and the pressure regulating valve 12, and is specifically used for remotely and precisely regulating the air pressure in the hydraulic hammer spring air chamber, and automatically supplementing air, keeping the air pressure constant.

In a specific embodiment of the present invention, the nitrogen pressure regulating unit is disposed outside the hydraulic hammer bin, the hydraulic hammer bin is provided with a control chamber for centralized control of the hydraulic hammer nitrogen spring air chamber 1, the volume of the high-pressure medium management part of the hydraulic hammer nitrogen spring air chamber 1 becomes a part of the hydraulic hammer nitrogen spring air chamber 1, the volume is precisely calculated, and the hammering parameters perfectly match the hammering parameters of the hydraulic hammer.

In a specific embodiment of the invention, one side of the plurality of gas distribution rows 5 is communicated with a plurality of sets of hydraulic hammer nitrogen springs 2 through the stop valve 4 and the one-way valve 3, and the other side of the plurality of gas distribution rows 5 is communicated with the outlet of the high-pressure nitrogen bottle 13 after being sequentially communicated with the precision pressure regulating valve 11 and the pressure regulating valve 12 through the hose 10, and is particularly used for automatic gas supply and constant gas pressure performance, and the gas pressure reduction and hammer force reduction caused by gas leakage in the gas chamber 1 of the hydraulic hammer nitrogen spring can be avoided, so that the hydraulic hammer is not required to be frequently overhauled and supplemented, and the hydraulic hammer body has long-term maintenance-free or remote maintenance performance for more than 2 years.

In one specific embodiment of the present invention, it should be noted that, in this document, relational terms such as "a" and "an" and the like are only used for distinguishing one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations, and furthermore, 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 also other elements not explicitly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.

In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.

When the hydraulic hammering system based on remote precise force regulation is used, firstly, nitrogen in a high-pressure nitrogen cylinder 13 passes through a pressure regulating valve 12 and a precise pressure regulating valve 11 which are arranged at the outlet of the high-pressure nitrogen cylinder 13 and then is communicated through a hose 10 to enter a gas distribution row 5, the gas distribution row 5 is communicated with a plurality of sets of hydraulic hammer nitrogen spring gas chambers 1 through a plurality of gas distribution rows 5 through a 32-way stop valve 4 and a one-way valve 3, pressure fluctuation of the hydraulic hammer nitrogen spring gas chambers 1 is isolated from the nitrogen cylinder 13 through the one-way valve 3, and safety guarantee is realized through a safety valve 9; the hydraulic hammer nitrogen spring air chamber 1 is communicated with a nitrogen pressure regulating unit through a high-pressure medium pipeline 2, the nitrogen pressure regulating unit comprises a high-pressure nitrogen bottle 13, a pressure regulating valve 12, a precise pressure regulating valve 11, a pressure gauge 8, a one-way valve 3, a 32-way stop valve 4, a gas distribution row 5, a safety valve 9, a control cabinet, a pipeline interface and the like, and is simultaneously connected with a 32-way or multi-way hydraulic hammer, the nitrogen pressure regulating unit is arranged outside a hydraulic hammer bin, the hydraulic hammer bin is provided with a control chamber for centralized control of the hydraulic hammer nitrogen spring air chamber 1, the hydraulic hammer has the functions of automatic air supply and constant air pressure, and the air pressure can not be reduced and weakened because the air leakage in the hydraulic hammer nitrogen spring air chamber 1 causes the air pressure reduction and the hammer force, therefore, the frequent maintenance and air supply for the hydraulic hammer is not needed any more, and the hydraulic hammer body has the performance of, therefore, the air pressure in the nitrogen spring air chamber is remotely and precisely adjusted, the remote adjustment of the force of the hydraulic hammer is realized, and the constant force can be kept for a long time.

In conclusion, by means of the technical scheme, the nitrogen spring air chamber of the hydraulic hammer is connected to the nitrogen pressure regulating system through the high-pressure pipeline, the hydraulic hammer has the performances of automatic air supply and constant air pressure, and the reduction of air pressure and weakening of hammering force caused by the leakage of nitrogen spring air can be avoided, so that the hydraulic hammer does not need to be frequently overhauled and supplied with air, and the hydraulic hammer body has the performance of long-term maintenance-free or remote maintenance for more than 2 years; the gas pressure filled in the nitrogen spring air chamber of the hydraulic hammer realizes remote precise adjustment, so that the hammering force of the hydraulic hammer can be precisely regulated and controlled, and the requirements of different storage bins and material types on the hammering force are met.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.