Double-line distributor and double-line type centralized lubricating structure

Abstract

The double-line distributor comprises a distributor shell, an oil supply pipe unit and an action detection assembly, a lubricating oil cavity is formed in the distributor shell, a piston unit is arranged in the lubricating oil cavity, the oil supply pipe unit is connected with the distributor shell, and the action detection assembly is arranged on the distributor shell. The oil supply pipe connector unit is further arranged on the distributor shell, the piston unit can press lubricating grease in the lubricating oil cavity into a lubricating point position through the oil supply pipe connector unit, the double-line distributor is merged into a lubricating line in a parallel connection mode, the oil supply amount is accurate, and the structural reliability is high. According to the double-line type centralized lubricating structure, the action detection assembly can be conveniently overhauled, line stopping for maintaining the double-line distributor is avoided, and the invention further provides the double-line type centralized lubricating structure comprising the double-line distributor. When a single double-line distributor breaks down, other double-line distributors can conduct lubricating grease filling work without being affected.

Description

Technical Field

[0001] The invention belongs to the field of equipment lubrication, and in particular relates to a double-line distributor and a double-line centralized lubrication structure. Background Art

[0002] During the rolling process of wheels and hoops, large hydraulic presses and rolling mills are required. The transmission parts and relative moving parts of large hydraulic presses and rolling mills need to ensure normal lubrication status and use dry oil lubrication. Each equipment of large hydraulic presses and rolling mills has relatively more lubrication points. Some companies use single-line centralized lubrication mode. The distributor is an important component in the lubrication mode. The distributor can ensure that each friction pair that needs lubrication is quantitatively supplied with grease. Each lubrication point is equipped with at least one distributor. In the single-line centralized lubrication mode, when a distributor fails, the distributors on the entire lubrication line will stop injecting grease, and the line needs to be stopped for maintenance, affecting production efficiency.

[0003] To solve the above problems, patent document 206072731U discloses a quantitative lubricating oil distributor and a lubricating device using the distributor. The quantitative lubricating oil distributor includes a housing and an oil reservoir arranged on the housing, the housing having an oil inlet, an oil filling port for filling oil into the lubrication point, and a connecting port connected to the oil reservoir, a direct-acting distributor plunger is slidably mounted in the housing, the distributor plunger is transmission-connected with a driving device to enable the distributor plunger to reciprocate in the housing and has an oil storage position and an oil filling position, the distributor plunger has a first connecting channel connecting the oil inlet and the connecting port when the distributor plunger is at the oil storage position, and a second connecting channel connecting the connecting port and the oil filling port when the distributor plunger is at the oil filling position, but the above problems cannot be solved. Summary of the invention

[0004] The present invention is made to solve the above problems, and aims to provide a double-line distributor and a double-line centralized lubrication structure with accurate oil supply, high structural reliability, and the ability to operate other distributors without affecting the operation when a single distributor fails, which is convenient for maintenance and avoids line stoppage for maintenance, and is conducive to improving production efficiency. In order to achieve the above objectives, the technical solutions adopted by the present invention are:

[0005] The present invention provides a dual-line distributor having the following characteristics, including a distributor housing, an oil supply pipe unit and an action detection component. A lubricating oil chamber is provided in the distributor housing, a piston unit is provided in the lubricating oil chamber, the oil supply pipe unit is connected to the distributor housing, the action detection component is arranged on the distributor housing, and an oil supply pipe joint unit is also provided on the distributor housing.

[0006] In the dual-line distributor provided by the present invention, it can also have such a feature that the lubricating oil chamber includes a control chamber and a working chamber, a first flow channel and a second flow channel are provided between the control chamber and the working chamber, and the first flow channel and the second flow channel are located at both ends of the working chamber.

[0007] In the dual-line distributor provided by the present invention, it can also have such a feature that the piston unit includes a control piston and a working piston, the control piston is movably arranged in the control chamber, the working piston is movably arranged in the working chamber, and the working piston is provided with a first sealing flange and a second sealing flange.

[0008] In the dual-line distributor provided by the present invention, it may also have such a feature that the oil supply pipe unit includes a first oil supply pipe and a second oil supply pipe, one end of the first oil supply pipe is connected to the distributor housing, and the other end of the first oil supply pipe is connected to the lubrication point; one end of the second oil supply pipe is connected to the distributor housing, and the other end of the second oil supply pipe is connected to the lubrication point.

[0009] In the double-line distributor provided by the present invention, it may also have such a feature that the oil supply pipe joint unit includes a first oil supply pipe joint and a second oil supply pipe joint, and the first oil supply pipe joint and the second oil supply pipe joint are arranged on the distributor housing and located at both ends of the working chamber.

[0010] In the two-line distributor provided by the present invention, it can also have such a feature that the action detection component includes a movable rod and a micro switch, one end of the movable rod is connected to the control piston, and the other end of the movable rod can be movably passed through the distributor housing, the micro switch is arranged on the distributor housing, and the end of the movable rod away from the control piston passes through the distributor housing and abuts against the micro switch.

[0011] The present invention also provides a dual-line centralized lubrication structure having the following characteristics: it includes a first oil supply pipe, a second oil supply pipe, an oil storage cylinder and the above-mentioned dual-line distributor, wherein both ends of the first oil supply pipe are connected to the oil storage cylinder, both ends of the second oil supply pipe are connected to the oil storage cylinder, and the dual-line distributor is connected to the first oil supply pipe and the second oil supply pipe.

[0012] The dual-line centralized lubrication structure provided by the present invention may also have the following characteristics: a plunger pump is provided in the oil storage cylinder, the plunger pump is connected to a drive motor, and a reducer is provided between the drive motor and the plunger pump.

[0013] The dual-line centralized lubrication structure provided by the present invention may also have the following characteristics: the oil storage cylinder is connected to a hydraulic reversing valve, and the hydraulic reversing valve is connected to the first oil supply pipe and the second oil supply pipe.

[0014] The technical effect of the present invention is as follows: the dual-line distributor provided by the present invention includes a distributor housing, an oil supply pipe unit and an action detection component. A lubricating oil chamber is provided in the distributor housing, a piston unit is provided in the lubricating oil chamber, the oil supply pipe unit is connected to the distributor housing, the action detection component is arranged on the distributor housing, and an oil supply pipe joint unit is also provided on the distributor housing. The piston unit can press the lubricating grease in the lubricating oil chamber into the lubrication point through the oil supply pipe unit. The dual-line distributor is incorporated into the lubrication line in parallel, with accurate oil supply and high structural reliability. The action detection component can facilitate maintenance and avoid line shutdown for maintenance of the dual-line distributor. The present invention also provides a dual-line centralized lubrication structure including a dual-line distributor. When lubrication operation is performed by the dual-line centralized lubrication structure provided by the present invention, when a single dual-line distributor fails, it can perform lubricating grease filling work without affecting other dual-line distributors.

[0015] Therefore, the dual-line distributor and dual-line centralized lubrication structure provided by the present invention have accurate oil supply and high structural reliability. When a single distributor fails, it can work without affecting other distributors. It can be easily repaired and avoid line shutdown for maintenance, which is beneficial to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This specification includes the following drawings, which show the following contents:

[0017] Figure 1 The structure of the double-line distributor in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0018] Figure 2 The structure of the double-line distributor in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0019] Figure 3 It is a structural schematic diagram of a dual-line centralized lubrication structure in an embodiment of the present invention.

[0020] Marked in the figure are: the first oil supply pipe-1, the second oil supply pipe-2, the oil storage cylinder-3, the plunger pump-4, the drive motor-5, the reducer-6, the hydraulic reversing valve-7, the distributor housing-10, the oil supply pipe unit-20, the first oil supply pipe-21, the second oil supply pipe-22, the action detection component-30, the movable rod 31, the micro switch 32, the lubricating oil chamber-40, the control chamber-41, the working chamber-42, the first flow channel-43, the second flow channel-44, the piston unit-50, the control piston-51, the working piston-52, the first blocking flange-521, the second blocking flange-522, the oil supply pipe joint unit-60, the first oil supply pipe joint-61, the second oil supply pipe joint-62. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0022] Figure 1 The structure of the double-line distributor in the embodiment of the present invention is shown in FIG. Figure 1 ; Figure 2 The structure of the double-line distributor in the embodiment of the present invention is shown in FIG. Figure 2 .

[0023] like Figure 1 and Figure 2 As shown, the double-line distributor provided by the present invention includes a distributor housing 10, an oil supply pipe unit 20 and an action detection component 30. A lubricating oil chamber 40 is provided in the distributor housing 10. Lubricating grease is stored in the lubricating oil chamber 40. A piston unit 50 is provided in the lubricating oil chamber 40. The oil supply pipe unit 20 is connected to the distributor housing 10. The action detection component 30 is arranged on the distributor housing 10. The distributor housing 10 is also provided with an oil supply pipe joint unit 60. The piston unit 50 can press the lubricating grease in the lubricating oil chamber 40 into the lubrication point through the oil supply pipe unit 20. The double-line distributor is incorporated into the lubrication line in parallel, with accurate oil supply and high structural reliability. The action detection component can facilitate maintenance and avoid line shutdown for maintenance of the double-line distributor, which is beneficial to improving production efficiency.

[0024] The lubricating oil chamber 40 includes a control chamber 41 and a working chamber 42, a first flow channel 43 and a second flow channel 44 are provided between the control chamber 41 and the working chamber 42, and the first flow channel 43 and the second flow channel 44 are located at both ends of the working chamber 42. The piston unit 50 includes a control piston 51 and a working piston 52, the control piston 51 is movably disposed in the control chamber 41, the working piston 52 is movably disposed in the working chamber 42, and a first blocking flange 521 and a second blocking flange 522 are provided on the working piston 52. The oil supply pipe unit 20 includes a first oil supply pipe 21 and a second oil supply pipe 22. One end of the first oil supply pipe 21 is connected to the distributor housing 10 and communicates with the working chamber 42, and the other end of the first oil supply pipe 21 is connected to the lubrication point; one end of the second oil supply pipe 22 is connected to the distributor housing 10 and communicates with the working chamber 42, and the other end of the second oil supply pipe 22 is connected to the lubrication point. The working piston 52 floats up and down in the working chamber 42, and can block the first oil supply pipe 21 by the first sealing flange 521 or block the second oil supply pipe 22 by the second sealing flange 522, thereby realizing the dual-line oil supply mode of the dual-line distributor and improving the structural reliability of the dual-line distributor.

[0025] The oil supply pipe joint unit 60 includes a first oil supply pipe joint 61 and a second oil supply pipe joint 62. The first oil supply pipe joint 61 and the second oil supply pipe joint 62 are arranged on the distributor housing 10 and are located at both ends of the working chamber 42. The first oil supply pipe joint 61 and the second oil supply pipe joint 62 can merge the dual-line distributor into the dual-line lubrication line. The first oil supply pipe joint 61 and the second oil supply pipe joint 62 are used to supply the lubricating grease in the dual-line lubrication line into the working chamber 42, so as to realize the dual-line oil inlet mode of the dual-line distributor and improve the structural reliability of the dual-line distributor.

[0026] like Figure 1 As shown, when the lubricating grease enters the working chamber 42 through the first oil supply pipe joint 61, the lubricating grease squeezes the working piston 52 to move toward the second oil supply pipe joint 62, and the first sealing flange 521 blocks the first oil supply pipe 21. The lubricating grease enters the control chamber 41 from the working chamber 42 through the first flow channel 43, squeezing the control piston 51 to move toward the second oil supply pipe joint 62, and the lubricating grease in the control chamber 41 is pressed into the working chamber 42 through the second flow channel 44, and then the lubricating grease is added to the lubrication point through the second oil supply pipe 22, completing the first cycle of oil supply action of the double-line distributor.

[0027] like Figure 2 As shown, when the lubricating grease enters the working chamber 42 through the second oil supply pipe joint 62, the lubricating grease squeezes the working piston 52 to move toward the first oil supply pipe joint 61, and the second sealing flange 522 blocks the second oil supply pipe 22. The lubricating grease enters the control chamber 41 from the working chamber 42 through the second flow channel 44, squeezing the control piston 51 to move toward the first oil supply pipe joint 61, and the lubricating grease in the control chamber 41 is pressed into the working chamber 42 through the first flow channel 43, and then the lubricating grease is added to the lubrication point through the first oil supply pipe 21, completing the second cycle of oil supply action of the dual-line distributor.

[0028] Through the two-cycle oil supply action of the double-line distributor and the double-line oil supply method of the first oil supply pipe joint 61 and the second oil supply pipe joint 62, the cyclical filling of lubricating grease can be realized, thereby improving the structural reliability of the double-line distributor. The lubricating grease filling amount of the first cycle and the second cycle is the same as the volume difference between the volume of the control chamber 41 and the control piston 51, which facilitates the control of the lubricating grease filling amount.

[0029] The action detection component 30 includes a movable rod 31 and a micro switch 32. One end of the movable rod 31 is connected to the control piston 51, and the other end of the movable rod 31 can be movably penetrated on the distributor housing 10. The control piston 51 floats between the two ends of the control chamber 41 during the oil supply action of the first cycle and the second cycle, driving the movable rod 31 to float. The micro switch 32 is set on the distributor housing 10. After each cycle of the oil supply action of the first cycle and the second cycle is completed, the end of the movable rod 31 away from the control piston 51 passes through the distributor housing 10 and abuts against the micro switch 32. The micro switch 32 can conveniently record the number of working cycles of the two-line distributor, thereby facilitating the operator to determine whether the two-line distributor has a fault.

[0030] Figure 3 It is a structural schematic diagram of a dual-line centralized lubrication structure in an embodiment of the present invention.

[0031] like Figure 3 As shown, the present invention also provides a dual-line centralized lubrication structure, including a first oil supply pipe 1, a second oil supply pipe 2, an oil storage cylinder 3 and the above-mentioned dual-line distributor, both ends of the first oil supply pipe 1 are connected to the oil storage cylinder 3, and both ends of the second oil supply pipe 2 are connected to the oil storage cylinder 3, so that the first oil supply pipe 1 and the second oil supply pipe 2 are connected in parallel, the dual-line distributor is connected to the first oil supply pipe 1 and the second oil supply pipe 2, the first oil supply pipe joint 61 on the dual-line distributor is connected to the first oil supply pipe 1, and the second oil supply pipe structure 62 on the dual-line distributor is connected to the second oil supply pipe 2, so that the dual-line distributor can be connected in parallel in the dual-line centralized lubrication structure, and the lubricating grease stored in the oil storage cylinder 3 can enter the dual-line distributor through the first oil supply pipe 1 or the second oil inlet pipe 2, completing the first cycle and the second cycle of lubricating grease filling, thereby improving the reliability of lubricating grease filling.

[0032] A plunger pump 4 is provided in the oil storage cylinder 3, and the plunger pump 4 is connected to a driving motor 5. A reducer 6 is provided between the driving motor 5 and the plunger pump 4. The driving motor 5 is connected to the plunger pump 4 through the reducer 6, and can drive the plunger pump 4 to work, so that the lubricating grease stored in the oil storage cylinder 3 is filled through the first oil supply pipe 1 or the second oil supply pipe 2. The oil storage cylinder 3 is connected to a hydraulic reversing valve 7, and the hydraulic reversing valve 7 is connected to the first oil supply pipe 1 and the second oil supply pipe 2. The hydraulic reversing valve 7 can realize the reversing flow of the lubricating grease, so as to realize the filling of lubricating grease into the double-line distributor through the first oil supply pipe 1 or the second oil supply pipe 2, and complete the first cycle and second cycle of lubricating grease filling of the double-line distributor.

[0033] The double-line distributor and double-line centralized lubrication structure provided by the present invention can improve the accurate control of the amount of lubricating grease added, the amount of lubricating grease added is not affected by external factors, the lubrication coverage area is large, the coverage is wide, each lubrication point uses a double-line distributor for lubricating grease addition, the structure is reliable, and it is suitable for large equipment with many lubrication points. When one of the oil supply pipes of the parallel double-line distributor is blocked, it does not affect the circulation of the other oil supply pipe, so that when the double-line distributor is blocked or fails, it can be maintained and repaired online, thereby improving production efficiency.

[0034] Functions and Effects of the Embodiments

[0035] The dual-line distributor provided by the present invention includes a distributor housing 10, an oil supply pipe unit 20 and an action detection component 30. A lubricating oil chamber 40 is provided in the distributor housing 10. Lubricating grease is stored in the lubricating oil chamber 40. A piston unit 50 is provided in the lubricating oil chamber 40. The oil supply pipe unit 20 is connected to the distributor housing 10. The action detection component 30 is arranged on the distributor housing 10. The distributor housing 10 is also provided with an oil supply pipe joint unit 60. The piston unit 50 can press the lubricating grease in the lubricating oil chamber 40 into the lubrication point through the oil supply pipe unit 20. The dual-line distributor is incorporated into the lubrication line in parallel, with accurate oil supply and high structural reliability. The action detection component can facilitate maintenance and avoid line shutdown for maintenance of the dual-line distributor, which is beneficial to improving production efficiency.

[0036] The present invention also provides a dual-line centralized lubrication structure, comprising a first oil supply pipe 1, a second oil supply pipe 2, an oil storage cylinder 3 and the above-mentioned dual-line distributor, wherein both ends of the first oil supply pipe 1 are connected to the oil storage cylinder 3, and both ends of the second oil supply pipe 2 are connected to the oil storage cylinder 3, so that the first oil supply pipe 1 and the second oil supply pipe 2 are connected in parallel, the dual-line distributor is connected to the first oil supply pipe 1 and the second oil supply pipe 2, the first oil supply pipe joint 61 on the dual-line distributor is connected to the first oil supply pipe 1, and the second oil supply pipe structure 62 on the dual-line distributor is connected to the second oil supply pipe 2, so that the dual-line distributor can be connected in parallel in the dual-line centralized lubrication structure, and the lubricating grease stored in the oil storage cylinder 3 can enter the dual-line distributor through the first oil supply pipe 1 or the second oil inlet pipe 2, completing the first cycle and the second cycle of lubricating grease filling, thereby improving the reliability of lubricating grease filling.

[0037] The double-line distributor and double-line centralized lubrication structure provided by the present invention can improve the accurate control of the amount of lubricating grease added, the amount of lubricating grease added is not affected by external factors, the lubrication coverage area is large, the coverage is wide, each lubrication point uses a double-line distributor for lubricating grease addition, the structure is reliable, and it is suitable for large equipment with many lubrication points. When one of the oil supply pipes of the parallel double-line distributor is blocked, it does not affect the circulation of the other oil supply pipe, so that when the double-line distributor is blocked or fails, it can be maintained and repaired online, thereby improving production efficiency.

[0038] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A two-wire distributor, characterized in that: The invention comprises a distributor housing (10), an oil supply pipe unit (20) and an action detection assembly (30); the distributor housing (10) is provided with a lubricating oil chamber (40), the lubricating oil chamber (40) is provided with a piston unit (50), the oil supply pipe unit (20) is connected to the distributor housing (10), the action detection assembly (30) is arranged on the distributor housing (10), and the distributor housing (10) is also provided with an oil supply pipe joint unit (60).

2. The two-wire distributor according to claim 1, characterized in that: The lubricating oil chamber (40) comprises a control chamber (41) and a working chamber (42), a first flow channel (43) and a second flow channel (44) are provided between the control chamber (41) and the working chamber (42), and the first flow channel (43) and the second flow channel (44) are located at two ends of the working chamber (42).

3. The two-line distributor according to claim 2, characterized in that: The piston unit (50) comprises a control piston (51) and a working piston (52); the control piston (51) is movably arranged in the control chamber (41); the working piston (52) is movably arranged in the working chamber (42); and the working piston (52) is provided with a first sealing flange (521) and a second sealing flange (522).

4. The two-line distributor according to claim 3, characterized in that: The oil supply pipe unit (20) comprises a first oil supply pipe (21) and a second oil supply pipe (22), wherein one end of the first oil supply pipe (21) is connected to the distributor housing (10), and the other end of the first oil supply pipe (21) is connected to a lubrication point; one end of the second oil supply pipe (22) is connected to the distributor housing (10), and the other end of the second oil supply pipe (22) is connected to a lubrication point.

5. The two-line distributor according to claim 4, characterized in that: The oil supply pipe joint unit (60) comprises a first oil supply pipe joint (61) and a second oil supply pipe joint (62), wherein the first oil supply pipe joint (61) and the second oil supply pipe joint (62) are arranged on the distributor housing (10) and are located at two ends of the working chamber (42).

6. The two-line distributor according to claim 5, characterized in that: The action detection component (30) comprises a movable rod (31) and a micro switch (32); one end of the movable rod (31) is connected to the control piston (51); the other end of the movable rod (31) is movably inserted into the dispenser housing (10); the micro switch (32) is arranged on the dispenser housing (10); and one end of the movable rod (31) away from the control piston (51) passes through the dispenser housing (10) and abuts against the micro switch (32).

7. A dual-line centralized lubrication structure, characterized in that: It comprises a first oil supply pipe (1), a second oil supply pipe (2), an oil storage cylinder (3) and a double-line distributor as claimed in any one of claims 1 to 6, wherein both ends of the first oil supply pipe (1) are connected to the oil storage cylinder (3), both ends of the second oil supply pipe (2) are connected to the oil storage cylinder (3), and the double-line distributor is connected to the first oil supply pipe (1) and the second oil supply pipe (2).

8. The dual-line centralized lubrication structure according to claim 7, characterized in that: A plunger pump (4) is arranged in the oil storage cylinder (3), the plunger pump (4) is connected to a drive motor (5), and a reducer (6) is arranged between the drive motor (5) and the plunger pump (4).

9. The dual-line centralized lubrication structure according to claim 8, characterized in that: The oil storage cylinder (3) is connected to a hydraulic reversing valve (7), and the hydraulic reversing valve (7) is connected to the first oil supply pipe (1) and the second oil supply pipe (2).

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