KR20050025217A - Apparatus for suppling an oil pressure to the equipment - Google Patents

Abstract

An undirected hydraulic supply device of construction-heavy equipment is provided to prevent an accident caused by a worker's mistake by making an actuating fluid supplied regardless of the supply direction of the actuating fluid of a breaker and to prevent breakage of a hose feeding a fluid. An undirected hydraulic supply device of construction-heavy equipment comprises a housing(1a), connection members(11), first actuators(12), second actuators(14), first and second spring members(16,18) providing the restoring force of the first and second actuators, and ring members(19) preventing the second actuator from being removed from space parts(12c). The housing has combining parts constituting a screw to the inside and operation space parts communicating with the combining parts. A high-pressure discharge passage for discharging a fluid of high pressure by a high-pressure discharge hole(7a) is formed to the front end of the operation space part. The opposed operation space parts are connected by a central passage. A low-pressure discharge passage is formed to the central passage. The connection member is screwed to the combining part and is connected to a fluid supply hose. The first actuator is inserted in the operation space part. The first actuator has a head part(12b) having plural branch passages(12a) and opening and closing the central passage according to the supply of a fluid. The first actuator has a body part integrated with the head part. The body part has the space part communicating with the branch passages. The second actuators are inserted in the space parts and the second actuators open and shut the space parts communicating with the branch passages.

Description

Non-directional hydraulic feeder for construction heavy equipment {Apparatus for suppling an oil pressure to the equipment}

The present invention relates to a non-directional hydraulic pressure supply device for construction heavy equipment, more specifically, to exclude the direction of the working fluid supplied to the breaker to prevent the selective installation of the breaker according to the supply direction of the hydraulic fluid to be used in general purpose Of non-directional hydraulic supply.

In general, the hydraulic supply form of the breaker can be divided into two types according to the supply direction of the hydraulic oil, one of which is connected to the storage tank by supplying the hydraulic oil having a predetermined pressure in the right direction as shown in FIG. In contrast to the supply type for discharging the hydraulic oil to the line, there is a supply type for discharging the hydraulic oil to the right by supplying the hydraulic oil from the left side as opposed to the attached drawing FIG.

Since heavy equipment using the breaker according to the supply type of the hydraulic oil also exhibits exclusive use, when the use of a different type of breaker is connected to the heavy equipment, the hydraulic supply lines cross each other diagonally as shown in FIG. 5B. Therefore, when the frequency of breakage is high and the connection is made with a heavy product used to prevent damage to the transfer lines of the respective hydraulic fluids, there is a problem such that safety accidents occur occasionally because the working bottom needs to be recognized and operated by changing the operating lever.

The present invention has been made in view of the above-mentioned conventional problems, the object of which is that the user operates the operating lever so that the operating fluid is supplied regardless of the direction of supply of the breaker working fluid when operating the breaker safety accidents due to the operator's mistake It is to provide a non-directional hydraulic supply device of heavy equipment to prevent and moreover to prevent the breakage of the hose to transfer the fluid.

The object of the present invention is to form a coupling portion that forms a screw inwards on both side portions and has a working space portion in communication with the coupling portion, the high pressure discharge flow path to discharge the high-pressure fluid by the high pressure discharge hole at the tip of the working space portion Is formed and opposed to the working space portion is connected to the central flow path and the flow path to form a low pressure discharge flow path; A connecting member screwed to the coupling part and connected to a hose for supplying a fluid; It is inserted into the working space to form a plurality of branch flow paths having a predetermined angle, and forms a head to open and close the central flow path in accordance with the supply of the fluid and formed integrally with the head portion and communicate with the branch flow path inward A first operator comprising a body portion forming a space portion; A second operator inserted and installed in the space to open and close the space communicating with the branch passage; First and second spring members for imparting restoring force of the first and second operators; The second operating member is achieved by a non-directional hydraulic supply device of heavy construction equipment, characterized in that consisting of a ring member for preventing the removal from the space.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is connected to the fluid supply hose for supplying a fluid having a predetermined pressure in the valve means that the two actuators are interlocked to each side while being easily attached to and detached from the breaker and installed opposite to both sides of the housing 1a. The valve means has a structure that is connected by a high pressure discharge flow path (7) and a low pressure discharge flow path (8).

More specifically, as illustrated in the accompanying drawings, FIGS. 1 and 2, the present invention provides a housing 1a having respective discharge passages 7 and 8, and a connection member connecting the fluid supply hose and the housing 1a to each other. 11), the first operator 12 and the second operator 14, which are installed inside the housing 1a and operate according to the supply of fluid, are roughly configured.

The housing 1a has a coupling part 2 which forms a screw inwardly at both side surfaces thereof, and has a working space part 3 in communication with the coupling part 2, and at the front end of the working space part 3. A high pressure discharge passage 7 is formed to discharge the high pressure fluid by the high pressure discharge hole 7a, and an opposing working space portion is connected to the central passage 9, and a low pressure discharge passage 8a is formed in this passage. It is a structure.

The connecting member 11 has a structure in which a screw is formed on an outer surface thereof and a through-hole penetrated through a central portion thereof to supply the supplied fluid to the housing 1a.

On the other hand, the first operator 12 is inserted into the operating space portion (3) to form a plurality of branch passages (12a) having a predetermined angle and the head portion for opening and closing the central passage in accordance with the supply of fluid ( 12b), which is formed integrally with the head 12b, and has a body portion 12d that forms a space portion 12c in communication with the branch flow passage 12a.

In addition, the second operator 14 is configured to be inserted into the space portion 12c to open and close the space portion 12c communicating with the branch flow passage 12a.

The first operator 12 and the second operator 14 are to be given a restoring force by the first and second spring members 16 and 18, the second operating member 14 is a space ( Preventing the removal at 12c) is prevented by the ring member 19.

The spring member 16, which is springing on the first operator 12, is for high pressure receiving 150 kg / cm of force and the spring member 18, which is detaching the second operator 14, is 1 kg / cm of force. For low pressure receiving.

In the drawing, reference numeral 100 denotes a cylinder for operating the breaker.

Referring to the operation effect of the present invention having the above structure as shown in Figure 3 attached as a supply type for supplying the hydraulic fluid having a predetermined pressure in the right direction to discharge the hydraulic oil to the left line connected to the storage tank When high-pressure hydraulic oil is supplied into the housing 1a through the fluid supply hose configured to be connected to the housing 1a by the member 11, for example, in the direction of ①, the branch flow path 12a and the space portion 12c by the pressure of the fluid. Since the second actuator 14 is blocking the passage connecting the first actuator 12 is pushed while pressing the first spring 16, the head 12b is eventually the central passage (9) ) Is blocked.

At this time, the first operator 12 is pushed by the high-pressure supply fluid while opening the high-pressure discharge passage 7 blocked by the body portion 12d, and simultaneously opening the high-pressure discharge passage 7 and the high-pressure discharge hole. The high pressure working fluid is transferred to the breaker through 7a to operate the breaker.

At this time, the first actuator 12 on the opposite side installed to face the direction 1 is pushed toward the connecting member 11 by the elastic force of the first spring 16 because the supply fluid is not supplied thereto. 7) Since all of the high pressure hydraulic fluid is transferred to the A3 of the Brequet cylinder 200 via the high pressure discharge hole 7a, that is, A1, without the loss of the fluid (high pressure supply fluid) supplied in the ① direction. The inlet is transferred to a high pressure chamber.

When high pressure fluid is supplied to one side like this

When the low pressure hydraulic oil in the low pressure chamber flows into B3 by the compression of the piston of the Brecke cylinder 200 and flows into the low pressure discharge hole 8a of B1 and is transferred toward the central flow path 9, the first operation is performed by the inflow of high pressure hydraulic oil. When the low pressure hydraulic oil is supplied to the other side of the central channel 9 blocked by the ruler 12, for example, the low pressure hydraulic oil flows into the working space 3 because the central channel 9 is open.

When the low pressure hydraulic oil flows into the working space 3, the space 12c and the branching flow path 12a are introduced into the space 12c through the branch flow path 12a formed in the head 12b. Pressing the second operator 14, which was blocking the contact portion), while pressing the spring 18, the second operator 14 is pushed to the outer side to which the connecting member 11 is coupled, while the space portion 12c. And the portion of the passage 12a is opened.

When the second operator 14 is pushed out by the supply of the low pressure fluid as described above, the moxibustion occurs between the first operator 12 and the second operator 14. It is transferred to and stored.

For example, in FIG. 3, when the high pressure fluid discharged from the high pressure discharge hole 7a is introduced into the A3 of the cylinder 200 in the A1 direction, the piston of the breaker is operated and the low pressure hydraulic fluid charged into the low pressure chamber is applied to the pressure of the piston. By being discharged to B3 and introduced into the housing 1a through B1, the second operator is discharged in the direction of ② while being pushed into the housing 1a to be sent to the storage tank for storage.

On the contrary, the high pressure hydraulic fluid is supplied from the left direction and the hydraulic fluid is discharged to the right side. As shown in FIG. 4, when the high pressure hydraulic fluid is supplied from the ② direction, the high pressure fluid is supplied from the ① direction and the first operator 12. It operates similarly to the operation example of the 2nd operator 14. As shown in FIG.

Thus, when high pressure hydraulic oil is supplied in the ② direction, the high pressure discharge hole 7a is discharged in the A1 direction and flows into the A2 to fill the high pressure chamber, and the hydraulic oil in the low pressure chamber is compressed by the piston of the Brequet cylinder 200. Flows into the low pressure discharge hole 8a of B1 and is conveyed toward the central flow path 9, the opposite direction of the central flow path 9 blocked by the first operator 12 by the inflow of high pressure hydraulic fluid When the low pressure hydraulic oil is supplied, since the central passage 9 is opened, the low pressure hydraulic oil flows into the working space 3.

When the low pressure hydraulic oil flows into the working space 3, the space 12c and the branching flow path 12a are introduced into the space 12c through the branch flow path 12a formed in the head 12b. Pressing the second operator 14, which was blocking the contact portion), while pressing the spring 18, the second operator 14 is pushed to the outer side to which the connecting member 11 is coupled, while the space portion 12c. And the portion of the passage 12a is opened.

When the second operator 14 is pushed out by the supply of the low pressure fluid as described above, the moxibustion occurs between the first operator 12 and the second operator 14. It is transferred to and stored.

As described above, since the high-pressure working fluid is supplied to the cylinder 200 of the breaker regardless of the supply direction, the worker can conveniently trough the brewer regardless of the fluid supply type.

The present invention, which is made by such a structure, operates by excluding the direction of the working fluid supplied to the breaker, thereby preventing the selective installation of the breaker according to the supply direction of the working oil so that it can be used in general, thereby preventing safety accidents caused by the operator's mistake. It is also possible to prevent the breakage of the hose that transfers the fluid.

1 is an exemplary view showing an installation state of a non-directional hydraulic supply device of construction heavy equipment to which the technology of the present invention is applied.

Figure 2 is an exploded perspective view of the non-directional hydraulic pressure supply device of the present inventors construction heavy equipment.

3 is a cross-sectional view showing the structure of the present invention.

4 is a cross-sectional view showing an operating state of the present invention.

5A-5B illustrate exemplary types of supply of working fluid to a conventional breaker.

※ Explanation of symbols about main part of drawing ※

1a: housing 2: coupling part

3: operating space part 7: high pressure discharge flow path

7a: high pressure discharge hole 8: low pressure discharge flow path

8a: low pressure discharge hole 9: central flow path

11 connection member 12 first operator

12a: eggplant euro 12b: head

12c: space part 12d: body part

14: second operator 16, 18: second operating member

19: ring member

Claims (1)

A coupling part for forming a screw inwardly is formed on both side surfaces, and a working space part is formed in communication with the coupling part, and a high pressure discharge flow path is formed at the tip of the working space part to discharge the high pressure fluid by a high pressure discharge hole, and the opposite operation is performed. A space part connected to the central flow path, and the housing forming a low pressure discharge flow path; A connecting member screwed to the coupling part and connected to a hose for supplying a fluid; It is inserted into the working space to form a plurality of branch flow paths having a predetermined angle, and forms a head to open and close the central flow path in accordance with the supply of the fluid and formed integrally with the head portion and communicate with the branch flow path inward A first operator comprising a body portion forming a space portion; A second operator inserted and installed in the space to open and close the space communicating with the branch passage; First and second spring members for imparting restoring force of the first and second operators; Non-directional hydraulic supply device for heavy construction equipment, characterized in that the second operating member is made of a ring member to prevent the removal from the space.