CN217462743U

CN217462743U - Rapid hydraulic oil filling device of re-feeding machine

Info

Publication number: CN217462743U
Application number: CN202221061302.6U
Authority: CN
Inventors: 喻世伦; 李济富; 吴勇博; 马强; 刘涛; 韦军政
Original assignee: Unit 69218 Of Pla
Current assignee: Unit 69218 Of Pla
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-20
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a fast hydraulic oil filling device of a re-feeding machine, which relates to the technical field of hydraulic oil filling, and comprises an oil inlet valve, wherein the upper end of the oil inlet valve is provided with a connecting elbow, the connecting elbow is provided with an oil delivery channel, the oil delivery channel is communicated with the oil inlet valve, one end of the oil delivery channel, which is far away from the oil inlet valve, is connected with an oil filling joint, the connecting elbow is provided with an exhaust hole, and a sealing element is arranged in the exhaust hole; the oil inlet valve comprises a valve body, a mounting hole is formed in the upper end of the valve body, a one-way valve is sleeved in the mounting hole, and the upper end of the one-way valve is communicated with the oil transportation channel. The invention can solve the problems that the existing straight-cylinder syringe type filling device is easy to leak, has small liquid storage amount, complex liquid supplement and needs to be matched by a plurality of persons, the liquid supplement of the front floating piston needs to be carried out by detaching a re-advancing machine from a gun, and the like.

Description

Rapid hydraulic oil filling device of re-feeding machine

Technical Field

The utility model relates to a hydraulic oil filling technical field particularly, relates to a quick filling device of hydraulic oil of re-advancing machine.

Background

The re-advancing machine is a device for re-advancing and locking a gun which unlocks and retreats to the end point when the automatic gun shoots. The ram on the general automatic artillery often needs to be filled with hydraulic oil in the piston moving forwards and backwards, and at present, when the ram is filled (supplemented), the hydraulic oil is filled into the inner cavity through the piston by using the straight cylinder needle cylinder; in addition, the upper plug can be screwed, and the fixed nut is unscrewed to take out the piston and pour hydraulic oil. In the operation process, oil is prone to dripping and leaking, a plug needs to be screwed after the operation is completed, oil leakage is prevented, and the oil is prone to deterioration after too long time. The existing equipment is low in efficiency, if the liquid shortage of the front traveling piston of the re-feeder needs to be supplemented, the re-feeder needs to be dismounted from the artillery to complete filling due to limited space, the filling operation time is long, and more than 2-3 persons are needed to complete the operation in a matching way.

Meanwhile, the problem of small oil storage amount still exists in the straight-tube needle cylinder filling device, oil needs to be supplemented into the equipment for more than 2 times when the oil filling of the front and rear traveling pistons of 1 re-feeder is completed, and air needs to be repeatedly exhausted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick filling device of re-entry machine hydraulic oil, it can improve the problem that current straight section of thick bamboo syringe formula filling device is easy to leak, work load is big in the operation.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a quick filling device of re-entry machine hydraulic oil, including the inlet valve, above-mentioned inlet valve upper end is provided with connects the elbow, and above-mentioned connection elbow has the oil transportation passageway, and above-mentioned inlet valve of above-mentioned oil transportation passageway intercommunication, the one end that above-mentioned inlet valve was kept away from to above-mentioned oil transportation passageway are connected with the oiling and connect, are provided with the exhaust hole on the above-mentioned connection elbow, are provided with the sealing member in the above-mentioned exhaust hole.

The oil inlet valve comprises a valve body, a mounting hole is formed in the upper end of the valve body, a one-way valve is sleeved in the mounting hole, and the upper end of the one-way valve is communicated with the oil transportation channel.

The utility model discloses an in some embodiments, the one end that above-mentioned fuel feeding valve upper end and above-mentioned oil transportation passageway are close to the fuel feeding valve is passed through screw thread pair and is connected, and above-mentioned oiling connects and the one end that above-mentioned fuel feeding valve was kept away from to above-mentioned oil transportation passageway passes through screw thread pair and is connected.

In some embodiments of the present invention, the check valve includes a valve housing, a lower end of the valve housing abuts against the lower end surface of the mounting hole, the valve housing has a first oil hole, the first oil hole is provided with a spring, and one end of the spring is connected with a steel ball. The outer wall of the valve sleeve is connected with the valve body through a thread pair, the valve body is provided with a second oil delivery hole, the size of the second oil delivery hole is smaller than that of the steel ball, and the surface of the steel ball abuts against one end, close to the valve sleeve, of the second oil delivery hole.

The utility model discloses an in some embodiments, the one end that above-mentioned first oil delivery hole is close to above-mentioned valve body is provided with the step hole, and above-mentioned step hole diameter is greater than above-mentioned first oil delivery hole, and the one end that above-mentioned steel ball was kept away from to above-mentioned spring is connected the one end that the valve body was kept away from in above-mentioned step hole.

The utility model discloses an in some embodiments, above-mentioned valve body, above-mentioned valve barrel all are provided with fixation nut with above-mentioned oiling joint outer wall.

In some embodiments of the present invention, the sealing member includes a fastening bolt, and the fastening bolt is connected to the exhaust hole through a screw pair.

The utility model discloses an in some embodiments, above-mentioned valve body lower extreme is connected with hydraulic pressure oil pipe, is provided with pressure display device on the above-mentioned hydraulic pressure oil pipe, and the one end that hydraulic pressure oil pipe kept away from above-mentioned valve body is connected with the hydraulic pump, and above-mentioned hydraulic pump connection has hydraulic cylinder.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model discloses a connect the elbow both ends and connect inlet valve and oiling joint respectively, can realize when the piston that moves about lacks liquid before the re-feeder, can directly with the rotatory certain angle filling fluid of re-feeder, need not like former equipment, need lift the re-feeder off from the artillery and carry out the operation, greatly simplify the operation step, improve maintenance efficiency. Meanwhile, due to the arrangement of the sealing element, air can be exhausted through the exhaust hole in a pressurizing mode before oil liquid is filled, and the working strength of repeated exhaust in the later filling process is reduced. Meanwhile, the oil inlet valve is connected with the one-way valve, so that when the connector is taken down after oil filling is completed, liquid in the oil pipe can be automatically sealed, and liquid leakage is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is the structure schematic diagram of the hydraulic oil quick filling device of the re-feeding machine of the present invention.

Fig. 2 is the utility model discloses the quick filling device of reentrant machine hydraulic oil's internal structure schematic diagram.

Fig. 3 is an enlarged view of the detail at a of the present invention.

Fig. 4 is the connection schematic diagram of the hydraulic oil quick filling device of the re-feeding machine of the utility model.

Fig. 5 is a flow chart of the hydraulic oil rapid filling method of the re-feeding machine of the present invention.

Icon: 1-an oil inlet valve, 2-a connecting elbow, 3-an oil injection joint, 4-a delivery channel, 5-an exhaust hole, 6-a sealing element, 7-a valve body, 8-a one-way valve, 9-a valve sleeve, 10-a first oil delivery hole, 11-a spring, 12-a steel ball, 13-a second oil delivery hole, 14-a step hole, 15-a fixing nut, 16-a fastening bolt, 17-a mounting hole, 100-a re-feeder hydraulic oil quick filling device, 200-a re-feeder, 300-a hydraulic oil pipe, 400-a hydraulic pump, 500-a pressure display device and 600-a hydraulic oil cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 2, the present embodiment provides a quick hydraulic oil filling device 100 for a re-feeder, which includes an oil inlet valve 1, a connecting elbow 2 is disposed at an upper end of the oil inlet valve 1, the connecting elbow 2 has an oil delivery channel, the oil delivery channel communicates with the oil inlet valve 1, an oil filling joint 3 is connected to an end of the oil delivery channel away from the oil inlet valve 1, an exhaust hole 5 is disposed on the connecting elbow 2, and a sealing member 6 is disposed in the exhaust hole 5.

The oil inlet valve 1 comprises a valve body 7, a mounting hole 17 is formed in the upper end of the valve body 7, the mounting hole 17 is sleeved with a one-way valve 8, and the upper end of the one-way valve 8 is communicated with the oil transportation channel.

The oil inlet valve 1, the connecting elbow 2, the oil injection joint 3 and the sealing piece 6 are all formed by processing stainless steel materials, and through the connection of the oil inlet valve 1 and the connecting elbow 2 and the connection of the oil injection joint 3 and the connecting elbow 2, mutual sealing among the oil inlet valve 1, the connecting elbow 2 and the oil injection joint 3 can be ensured, and the oil is prevented from leaking.

Preferably, the upper end of the inlet valve 1 is connected to the end of the oil delivery passage close to the inlet valve 1 by a screw pair, and the oil filler joint 3 is connected to the end of the oil delivery passage far from the inlet valve 1 by a screw pair. Can effectively guarantee the tightness and the leakproofness of the mutual connection of the oil inlet valve 1, the connecting elbow 2 and the oil injection joint 3, and guarantee the stable operation of the oil injection process.

It is worth noting that the check valve 8 and the valve body 7 are matched with each other, so that the one-way guiding performance of oil is realized, and the phenomenon that the oil leaks when a joint is disconnected is prevented. Above-mentioned check valve 8 can adopt through check valve 8 or right angle formula check valve 8, and through the size of the 200 oiling mouths of re-entrant machine, rational design and processing above-mentioned oiling connect 3, connect elbow 2 and valve body 7 and check valve 8 for above-mentioned oiling connects 3, connects elbow 2 and valve body 7 and check valve 8 can closely cooperate, can maximize realize the characteristic of each part and right the utility model discloses the function of playing.

Specifically, as shown in fig. 2 and 3, the check valve 8 includes a valve sleeve 9, a lower end of the valve sleeve 9 abuts against a lower end surface of the mounting hole 17, the valve sleeve 9 has a first oil feed hole 10, a spring 11 is provided in the first oil feed hole 10, and a ball 12 is connected to one end of the spring 11. The outer wall of the valve sleeve 9 is connected with the valve body 7 through a thread pair, the valve body 7 is provided with a second oil transmission hole 13, the size of the second oil transmission hole 13 is smaller than that of the steel ball 12, and the surface of the steel ball 12 is abutted against one end, close to the valve sleeve 9, of the second oil transmission hole 13. The steel ball 12 is tightly abutted against the oil outlet of the second oil delivery hole 13 by the elastic acting force of the spring 11, the arc-shaped surface of the steel ball 12 is in embedded fit with the oil outlet of the second oil delivery hole 13, and the steel ball 12 cannot completely enter the second oil delivery hole 13 because the size of the second oil delivery hole 13 is smaller than that of the steel ball 12, so that the steel ball 12 can tightly seal the oil outlet of the second oil delivery hole 13 in a state of not being subjected to oil pressure, and the sealing property of the check valve 8 is ensured.

In the actual use process, hydraulic oil upwards applies oil pressure to the steel ball through the second oil conveying hole 13, so that the steel ball extrudes the spring 11, the spring 11 is elastically deformed, the steel ball is gradually separated from the upper end of the second oil conveying hole 13, and the oil can enter the first oil conveying hole 10 through the oil outlet of the second oil conveying hole 13, and then oil conveying work is carried out. When the oil pressure in the second oil transfer hole 13 is weakened or disappears, the steel ball moves downwards under the action of the spring 11 and abuts against the oil outlet of the second oil transfer hole 13 to tightly seal the oil outlet of the second oil transfer hole 13, so that the oil which is input above the second oil transfer hole 13 cannot flow backwards or overflow.

It should be noted that the spring 11 may be directly fixed to the inner wall of the first oil delivery hole 10 by welding, but the joint between the spring 11 and the inner wall of the first oil delivery hole 10 is easily cracked and unstable under long-term use and stress, so that a step hole 14 may be provided at one end of the first oil delivery hole 10 close to the valve body 7, the step hole 14 has a larger diameter than the first oil delivery hole 10, and one end of the spring 11 far from the steel ball 12 is connected to one end of the step hole 14 far from the valve body 7. This ensures the stability of the spring 11 supporting the steel ball.

As shown in fig. 1 and 2, the valve body 7, the valve sleeve 9, and the outer wall of the oil filler joint 3 are provided with fixing nuts 15, and when the valve body 7, the valve sleeve 9, the connecting elbow 2, and the oil filler joint 3 are connected and matched by the fixing nuts 15, the connection of the components can be easily and conveniently completed by using corresponding wrenches.

The sealing element 6 can be a fastening bolt 16, and the fastening bolt 16 is matched with the exhaust hole 5 through a thread pair, so that the exhaust operation process can be simplified and the working efficiency can be improved on the basis of ensuring the tightness.

As shown in fig. 4, in the actually complete oil transportation system, the lower end of the valve body 7 is connected to a hydraulic oil pipe 300, the hydraulic oil pipe 300 is provided with a pressure display device 500, one end of the hydraulic oil pipe 300 away from the valve body 7 is connected to a hydraulic pump 400, and the hydraulic pump 400 is connected to a hydraulic oil cylinder 600. In the process of oil transportation, the hydraulic oil is pumped from the hydraulic oil cylinder 600 to the hydraulic oil pipe 300 by the acting force of the hydraulic pump 400, the oil pressure can be visually detected by the pressure display device 500, and under the continuous action of the hydraulic pump 400, the oil in the hydraulic oil pipe 300 passes through the hydraulic oil quick filling device 100 of the re-feeder and enters the floating piston part of the re-feeder 200.

According to fig. 5, the utility model discloses well reentry machine hydraulic oil quick filling method includes following five steps:

firstly, rotating a re-feeding machine 200 by a certain angle, connecting one end of the oil injection joint 3 far away from the connecting elbow 2 with an oil injection port of the re-feeding machine 200, and fastening the valve body 7, the valve sleeve 9 and a fixing nut 15 on the outer wall of the oil injection joint 3 respectively to ensure that the valve sleeve 9 is tightly matched with the valve body 7, the valve body 7 is tightly matched with the connecting elbow 2, and the connecting elbow 2 is tightly matched with the oil injection joint 3. Before filling oil, the tightness of each connecting part is checked to prevent the connecting parts from being disconnected due to excessive oil pressure to generate adverse effects.

And step two, firstly, closing the oil filling port of the re-feeding machine 200, starting the hydraulic pump 400, loosening the fastening bolt 16, discharging the air in the first oil conveying hole 10, the second oil conveying hole 13 and the oil conveying channel 4 from the exhaust hole 5, and fastening the fastening bolt 16 when hydraulic oil overflows from the exhaust hole 5. In the process of exhausting, a pressurizing operation is performed first, then the fastening bolt 16 is loosened gradually and slowly, when the overflow of the air flow can be heard, the loosening of the fastening bolt 16 is stopped, the air in the first oil delivery hole 10, the second oil delivery hole 13 and the delivery passage 4 is all discharged, and when the overflow of the hydraulic oil exists, the fastening bolt 16 is fastened, and the exhausting operation is completed.

And step three, communicating the oil filling port of the re-feeder 200 with the oil filling joint 3, adding hydraulic oil into the hydraulic oil cylinder 600, starting the hydraulic pump 400 to perform continuous filling of the hydraulic oil, observing the pressure display device 500 in real time during the filling process, adjusting the power of the hydraulic pump 400 according to the pressure reading, further adjusting the oil filling flow, well controlling the oil filling duration through adjusting the flow, and better controlling the whole oil filling working process.

And fourthly, after the completion of the oil supplement of the traveling piston of the re-feeder 200 is observed, closing the hydraulic pump 400, and enabling the oil in the hydraulic oil pipe 300 to reversely flow back to the hydraulic oil tank.

And step five, disconnecting the valve body 7 and the hydraulic oil pipe 300, simultaneously disconnecting the oil injection joint 3 and the oil injection port of the re-feeding machine 200, closing the oil injection port of the re-feeding machine 200, and pouring residual oil in the first oil transmission hole 10, the second oil transmission hole 13 and the oil transmission channel 4 into the hydraulic oil cylinder 600.

The hydraulic pump 400 adopts a pedal or hand-press type hydraulic pump 400 as an equipment power source, the output pressure value of the hydraulic pump 400 is 2.5 MPa-70 MPa, the filling requirement of the re-feeder 200 can be met, and meanwhile, the filling flow can be adjusted by changing the frequency of pedal or hand pressing in the process of filling hydraulic oil. The oil storage cylinder with the capacity of 2L is arranged on the device, the filling of the hydraulic oil after the maintenance of the 4 re-feeding machines 200 can be met, and the hydraulic oil filling efficiency is improved on the basis of meeting the continuous filling.

The working principle of the embodiment is as follows:

when the hydraulic oil of the re-feeding machine 200 needs to be filled, a wrench is used for clamping the valve body 7, the valve sleeve 9 and the fixing nut 15 on the outer wall of the oil injection joint 3 respectively, so that the valve body 7, the valve sleeve 9, the connecting elbow 2 and the oil injection joint 3 are tightly connected, and the tightness among all the parts is ensured. The hydraulic pump 400 is started, hydraulic oil is pumped from the hydraulic oil cylinder 600 to the hydraulic oil pipe 300 through the acting force of the hydraulic pump 400, the oil pressure can be visually detected through the pressure display device 500, the hydraulic oil in the hydraulic oil pipe 300 applies the oil pressure to the steel ball under the continuous action of the hydraulic pump 400, the steel ball extrudes the spring 11, the spring 11 is elastically deformed, the steel ball is gradually separated from the upper end of the second oil delivery hole 13, the oil can enter the first oil delivery hole 10 through the oil outlet of the second oil delivery hole 13, the hydraulic oil enters the oil delivery channel along the first oil delivery hole 10 and enters the floating piston part of the re-feeder 200 through the oil inlet of the re-feeder 200 along the oil injection joint 3.

When the hydraulic pump 400 is stopped or the power of the hydraulic pump 400 is reduced to a certain degree, the steel ball moves downwards under the action of the spring 11 and abuts against the oil outlet of the second oil transmission hole 13 to tightly seal the oil outlet of the second oil transmission hole 13, so that the oil liquid input above the second oil transmission hole 13 cannot flow backwards or overflow. Can ensure that the liquid in the oil pipe can be automatically sealed, and prevent the liquid from leaking.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fast hydraulic oil filling device of a re-feeder is characterized by comprising an oil inlet valve, wherein a connecting elbow is arranged at the upper end of the oil inlet valve, the connecting elbow is provided with an oil delivery channel, the oil delivery channel is communicated with the oil inlet valve, one end of the oil delivery channel, which is far away from the oil inlet valve, is connected with an oil filling joint, the connecting elbow is provided with an exhaust hole, and a sealing element is arranged in the exhaust hole;

2. The fast hydraulic oil filling device for a re-feeder according to claim 1, wherein the upper end of the oil inlet valve is connected to the end of the oil transportation channel close to the oil inlet valve by a screw pair, and the oil filling joint is connected to the end of the oil transportation channel far from the oil inlet valve by a screw pair.

3. The compound feed machine hydraulic oil quick filling device according to claim 1, wherein the check valve comprises a valve sleeve, the lower end of the valve sleeve abuts against the lower end surface of the mounting hole, the valve sleeve is provided with a first oil conveying hole, the first oil conveying hole is provided with a spring, and one end of the spring is connected with a steel ball; the outer wall of the valve sleeve is connected with the valve body through a thread pair, the valve body is provided with a second oil conveying hole, the size of the second oil conveying hole is smaller than that of the steel ball, and the surface of the steel ball is abutted to one end, close to the valve sleeve, of the second oil conveying hole.

4. The fast hydraulic oil filling device for a re-feeder according to claim 3, wherein a stepped hole is formed in one end, close to the valve body, of the first oil delivery hole, the diameter of the stepped hole is larger than that of the first oil delivery hole, and one end, far away from the steel ball, of the spring is connected with one end, far away from the valve body, of the stepped hole.

5. The fast hydraulic oil filling device of a re-feeder according to claim 3, wherein the valve body, the valve sleeve and the outer wall of the oil filling joint are provided with fixing nuts.

6. The reciprocating engine hydraulic oil rapid filling device according to claim 1, wherein the sealing member comprises a fastening bolt, and the fastening bolt is connected with the exhaust hole through a thread pair.

7. The fast hydraulic oil filling device of a re-feeding machine according to claim 1, wherein a hydraulic oil pipe is connected to the lower end of the valve body, a pressure display device is arranged on the hydraulic oil pipe, and a hydraulic pump is connected to one end of the hydraulic oil pipe, which is far away from the valve body, and the hydraulic pump is connected to a hydraulic oil cylinder.