阅读说明：本技术 一种液压蓄能器装置节能系统 (Energy-saving system of hydraulic energy accumulator device ) 是由 夏玉龙 闵剑庭 邹昌建 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种液压蓄能器装置节能系统,包括蓄能器组、蓄能器、电磁节流阀、电磁球阀、补油装置、升降阀组、平移阀组和压力继电器,本发明中升降缸带动步进梁升降,势能缸通过步进梁下降使其无杆缸内的液压油压缩至蓄能器的壳体内,进而通过进入壳体内的液压油对皮囊进行压缩,皮囊内填满有氮气,由于液压油的压力对皮囊压缩,对重力做功的能量进行收集,在步进梁上升时皮囊膨胀,将壳体内的液压油挤压至势能缸内的无杆腔内,推动势能缸的伸缩端上升作为辅助动力助推步进梁抬升,通过对步进梁下降时重力做的势能进行利用,更加节能,过电磁节流阀的调节控制输出流量,使输出流量与设计要求匹配,减少流量的波动,使步进梁稳定运行。(The invention discloses an energy-saving system of a hydraulic energy accumulator device, which comprises an energy accumulator group, an energy accumulator, an electromagnetic throttle valve, an electromagnetic ball valve, an oil supplementing device, a lifting valve group, a translation valve group and a pressure relay, wherein a lifting cylinder drives a walking beam to lift, a potential energy cylinder lowers through the walking beam to compress hydraulic oil in a rodless cylinder into a shell of the energy accumulator, then the leather bag is compressed through the hydraulic oil entering the shell, nitrogen is filled in the leather bag, the leather bag is compressed by the pressure of the hydraulic oil, the energy for doing work by gravity is collected, the leather bag expands when the walking beam rises to extrude the hydraulic oil in the shell into a rodless cavity in the potential energy cylinder, the telescopic end of the potential energy cylinder rises to be used as auxiliary power for boosting the walking beam to rise, the potential energy made by the gravity when the walking beam descends is utilized, the energy is more energy-saving, the output flow is controlled through the adjustment of the electromagnetic throttle valve, the output flow is matched with the design requirement, the fluctuation of the flow is reduced, and the walking beam runs stably.)

1. The utility model provides a hydraulic pressure energy storage ware device economizer system, includes energy storage ware group (1), mends oily device (2), lifting valve group (3), translation valves (4), hydraulic power unit (5), fixed beam (6), walking beam (7), potential energy jar (9), translation jar (8), pipe assembly (10), lift jar (11) and pressure relay (12), its characterized in that: translation jar (8) symmetry is provided with two, potential energy jar (9) symmetry is provided with two, translation jar (8) are including no pole chamber and have the pole chamber, lift jar (11) symmetry is provided with two, translation jar (8) are connected with translation valves (4) through oil pipe, translation valves (4) are connected with hydraulic power unit (5) through oil pipe, lift jar (11) are connected with lift valves (3) through oil pipe, lift valves (3) are connected with hydraulic power unit (5) through oil pipe, energy storage ware group (1) includes energy storage ware (101), electromagnetism choke valve (102) and electromagnetism ball valve (103).

2. The hydraulic accumulator apparatus economizer system of claim 1 wherein: energy storage ware (101) include inflation valve (1011), casing (1012), leather bag (1013) and oil inlet (1014), leather bag (1013) sets up in casing (1012), fixed mounting is run through at casing (1012) top has inflation valve (1011), the inlet end of inflation valve (1011) stretches out to the outside, the end of giving vent to anger of inflation valve (1011) just communicates rather than inside with leather bag (1013) top fixed connection, oil inlet (1014) set up in the bottom of casing (1012), the pole chamber intercommunication that has of translation jar (8) has pipeline assembly (10), pipeline assembly (10) are connected with the oil tank and communicate with each other with external atmosphere, the other end and the oil outlet end of oil supplementing device (2) of electromagnetism ball valve (103) are connected.

3. The hydraulic accumulator apparatus economizer system of claim 1 wherein: the specifications and the installation modes of the potential energy cylinders (9) and the translation cylinders (8) are the same, two energy accumulator groups (1) are arranged, and the two energy accumulator groups (1) and the two potential energy cylinders (9) are arranged in a one-to-one correspondence mode.

4. The hydraulic accumulator apparatus economizer system of claim 2 wherein: the bottom end of the oil inlet (1014) is communicated with a three-way joint, and one end of the electromagnetic throttle valve (102) and one end of the electromagnetic ball valve (103) are both communicated with the other end of the electromagnetic throttle valve (102) through the three-way joint and are communicated with a rodless cavity of the corresponding translation cylinder (8) through an oil pipe.

5. The hydraulic accumulator apparatus economizer system of claim 1 wherein: the pipeline component (10) is a three-way respirator.

6. The hydraulic accumulator apparatus economizer system of claim 1 wherein: the start and stop of the oil supplementing device (2) are controlled by a pressure relay (12).

Technical Field

The invention relates to the technical field of hot rolling production, in particular to an energy-saving system of a hydraulic energy accumulator device.

Background

An accumulator is an energy storage device in a hydropneumatic system. The energy in the system is converted into compression energy or potential energy to be stored at a proper time, and when the system needs the energy, the compression energy or the potential energy is converted into hydraulic energy or air pressure and the like to be released, and the energy is supplied to the system again. When the system pressure is increased instantaneously, it can absorb the energy of the part to ensure the pressure of the whole system is normal.

On a hot rolling production line, a slab is moved to a conveying chain through a walking beam by a wide and thick plate preheated in a heating furnace, the load of the walking beam is very large, the maximum force exerted in a walking action cycle is the stroke of a lifting cylinder for supporting the walking beam and a billet, the load is large, four high-pressure large-flow lifting oil cylinders are adopted for completing the walking action, the walking beam can automatically fall back due to gravity when the walking beam descends, the potential energy of the gravity of the lifting cylinder without exerting force on the walking beam when the walking beam descends is changed into heat and is not fully utilized, the energy accumulator group is frequently compressed and released, meanwhile, due to the unbalance of the inflation pressure of the energy accumulator, the traditional energy accumulator safety valve group is a large-diameter seat valve, the leather bag and the seat valve can rub to damage the leather bag in the quick release process of the energy accumulator, and the release flow of the energy accumulator cannot be effectively controlled in the mode.

Disclosure of Invention

The present invention is directed to an energy saving system for a hydraulic accumulator apparatus, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a hydraulic pressure energy storage ware device economizer system, includes energy storage ware group, oil supplementing device, lifting valve group, translation valves, hydraulic power unit, fixed beam, walking beam, potential energy jar, translation jar, pipeline assembly, lift jar and pressure relay, the translation jar symmetry is provided with two, potential energy jar symmetry is provided with two, the translation jar includes no pole chamber and has the pole chamber, the lift jar symmetry is provided with two, the translation jar passes through oil pipe and is connected with the translation valves, the translation valves passes through oil pipe and is connected with hydraulic power unit, the lift jar passes through oil pipe and is connected with the lifting valve group, the lifting valve group passes through oil pipe and is connected with hydraulic power unit, the energy storage ware group includes energy storage ware, electromagnetism choke valve and electromagnetism ball valve.

As a further scheme of the invention: the energy storage ware includes inflation valve, casing, leather bag and oil inlet, the leather bag sets up in the casing, fixed mounting is run through at the casing top has the inflation valve, the inlet end of inflation valve stretches out to the outside, the end of giving vent to anger of inflation valve and leather bag top fixed connection and rather than inside intercommunication, the oil inlet sets up in the bottom of casing, the pole chamber intercommunication that has of translation jar has the pipe assembly, the pipe assembly is connected with the oil tank and communicates with each other with external atmosphere, the other end of electromagnetism ball valve is connected with the oil outlet end of mending oily device.

As a still further scheme of the invention: the specifications and installation modes of the potential energy cylinders and the translation cylinders are the same, two energy accumulator groups are arranged, and the two energy accumulator groups and the two potential energy cylinders are arranged in a one-to-one correspondence mode.

As a still further scheme of the invention: the bottom end of the oil inlet is communicated with a three-way joint, and one end of the electromagnetic throttle valve and one end of the electromagnetic ball valve are both communicated with the other end of the electromagnetic throttle valve through the three-way joint and are communicated with the rodless cavity of the corresponding translation cylinder through oil pipes.

As a still further scheme of the invention: the pipeline component is a three-way respirator.

As a still further scheme of the invention: the start and stop of the oil supplementing device are controlled by a pressure relay.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the lifting cylinder drives the walking beam to lift, the potential energy cylinder enables hydraulic oil in the rodless cylinder to be compressed into the shell of the energy accumulator through the descending of the walking beam, the leather bag is further compressed through the hydraulic oil entering the shell, nitrogen is filled in the leather bag, the leather bag is compressed due to the pressure of the hydraulic oil, the energy for doing work by gravity is collected, the leather bag expands when the walking beam rises, the hydraulic oil in the shell is extruded into the rodless cavity in the potential energy cylinder, the telescopic end of the potential energy cylinder is pushed to rise to serve as auxiliary power for boosting the walking beam to lift, and the potential energy made by gravity when the walking beam descends is utilized, so that more energy is saved.

2. According to the invention, the traditional large-drift-diameter seat valve is replaced by matching the electromagnetic throttle valve with the electromagnetic ball valve, the electromagnetic throttle valve can control the hydraulic oil flow released in the releasing process of the hydraulic oil in the energy accumulator, and the output flow is controlled by adjusting the electromagnetic throttle valve, so that the output flow is matched with the design requirement, the fluctuation of the flow is reduced, and the walking beam stably runs.

Drawings

Fig. 1 is a schematic structural diagram of an energy saving system of a hydraulic accumulator device.

FIG. 2 is a block diagram of the partial connections in the hydraulic accumulator apparatus economizer system.

Fig. 3 is a schematic diagram of the structure of an accumulator group in the energy saving system of the hydraulic accumulator apparatus.

Shown in the figure: the device comprises an energy accumulator group 1, an energy accumulator 101, an inflation valve 1011, a shell 1012, a leather bag 1013, an oil inlet 1014, an electromagnetic throttle valve 102, an electromagnetic ball valve 103, an oil supplementing device 2, a lifting valve group 3, a translation valve group 4, a hydraulic pump station 5, a fixed beam 6, a walking beam 7, a translation cylinder 8, a potential energy cylinder 9, a pipeline assembly 10, a lifting cylinder 11 and a pressure relay 12.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, an energy saving system for a hydraulic energy accumulator device includes an energy accumulator group 1, an oil supplementing device 2, a lifting valve group 3, a translation valve group 4, a hydraulic pump station 5, a fixed beam 6, a walking beam 7, potential energy cylinders 9, translation cylinders 8, a pipeline assembly 10, lifting cylinders 11 and a pressure relay 12, wherein two translation cylinders 8 are symmetrically arranged, two potential energy cylinders 9 are symmetrically arranged, the translation cylinders 8 include a rodless cavity and a rod cavity, two lifting cylinders 11 are symmetrically arranged, specifications and installation manners of the potential energy cylinders 9 and the translation cylinders 8 are the same, the translation cylinders 8 are connected with the translation valve group 4 through oil pipes, the translation valve group 4 is connected with the hydraulic pump station 5 through oil pipes, the lifting cylinders 11 are connected with the lifting valve group 3 through oil pipes, the lifting valve group 3 is connected with the hydraulic pump station 5 through oil pipes, the energy accumulator group 1 is provided with two energy accumulator groups 1 and two potential energy cylinders 9, the energy accumulator group 1 comprises an energy accumulator 101, an electromagnetic throttle valve 102 and an electromagnetic ball valve 103, the energy accumulator 101 comprises an inflation valve 1011, a shell 1012, a leather bag 1013 and an oil inlet 1014, the leather bag 1013 is arranged in the shell 1012, the top of the shell 1012 is fixedly provided with the inflation valve 1011 in a penetrating way, the air inlet end of the inflation valve 1011 extends to the outside, the air outlet end of the inflation valve 1011 is fixedly connected with the top end of the leather bag 1013 and is communicated with the inside of the same, the oil inlet 1014 is arranged at the bottom end of the shell 1012, the bottom end 1014 of the oil inlet is communicated with a three-way joint, one end of the electromagnetic throttle valve 102 and one end of the electromagnetic ball valve 103 are both communicated with the other end of the electromagnetic throttle valve 102 through the oil pipe and are communicated with a rodless cavity of a corresponding translation cylinder 8, and a rod cavity of the translation cylinder 8 is communicated with a pipeline assembly 10, the pipeline assembly 10 is a three-way breather, the pipeline assembly 10 is connected with an oil tank and communicated with the outside atmosphere, so that leaked oil can be smoothly discharged while the oil in the oil tank is prevented from being sucked backwards, the other end of the electromagnetic ball valve 103 is connected with the oil outlet end of the oil supplementing device 2, and the start and stop of the oil supplementing device 2 are controlled by the pressure relay 12.

The working principle of the invention is as follows:

after the energy-saving system of the hydraulic energy accumulator is put into use, a lifting valve group 3, a translation valve group 4, a hydraulic pump station 5, a fixed beam 6, a stepping beam 7, a translation cylinder 8 and lifting cylinders 11 of a stepping mechanism are the same as the design of the prior art, only two original four lifting cylinders 11 are reserved, the other two lifting cylinders 11 are directly changed into potential energy cylinders 9 for use, after the transformation, the size, the structure and the installation form of the potential energy cylinders 9 are completely the same as those of the lifting cylinders 11, the translation cylinder 8 and the lifting cylinders 11 are both supplied with oil by the hydraulic pump station 5 in work, the potential energy cylinders 9 are supplied with oil by an energy accumulator group 1, the potential energy cylinders 9 are always synchronous with the lifting cylinders in the action cycle of 'ascending-advancing-descending-retreating' of the stepping beam 7, an oil supplementing device 2 is used for filling liquid to the oil side of the energy accumulator for the first time and supplementing system leakage, the start and stop of the oil supplementing device 2 are controlled by a pressure relay 12, and when the oil pressure is lower than the lower limit, the oil supplementing device 2 is started to supplement oil, when the upper limit is reached, the oil supplementing device 2 stops supplementing oil, the pipeline assembly 10 at the oil port of the rod cavity of the potential energy cylinder 9 is connected with an oil tank of the oil supplementing device 2 and communicated with the external atmosphere, leaked oil can be smoothly discharged, and meanwhile, the oil in the oil tank is prevented from being sucked backwards, the lifting cylinder 11 drives the walking beam 7 to lift, the potential energy cylinder 9 descends through the walking beam 7 to enable hydraulic oil in the rodless cylinder to be compressed into the shell 1012 of the energy accumulator 101, the hydraulic oil entering the shell 1012 further compresses the leather bag 1013, the leather bag 1013 is filled with nitrogen, the pressure of the hydraulic oil compresses the leather bag 1013, the energy for doing work is collected, the leather bag 1013 expands when the walking beam 7 ascends, the hydraulic oil in the shell is extruded into the rodless cavity in the potential energy cylinder 9, the telescopic end of the potential energy cylinder 9 is pushed to ascend to serve as an auxiliary power boosting walking beam 7 to ascend, potential energy that gravity was done when 7 descends to the walking beam utilizes, and is more energy-conserving, replaces traditional big latus rectum seat valve through cooperating with electromagnetism throttle valve 102 and electromagnetism ball valve 103, and electromagnetism throttle valve 102 can be to making the hydraulic oil flow of hydraulic oil release in the in-process of release in the energy storage ware 101 control, and regulation control output flow through electromagnetism throttle valve 102 makes output flow and design requirement match, reduces the fluctuation of flow, makes walking beam 7 steady operation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.