CN211232365U - Diameter-expanding double-line lubrication distributor - Google Patents
Diameter-expanding double-line lubrication distributor Download PDFInfo
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- CN211232365U CN211232365U CN201922281091.1U CN201922281091U CN211232365U CN 211232365 U CN211232365 U CN 211232365U CN 201922281091 U CN201922281091 U CN 201922281091U CN 211232365 U CN211232365 U CN 211232365U
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Abstract
The utility model discloses an expanding double-line lubrication distributor, which comprises a valve body, a columnar piston, a reversing piston and a piston plug; an oil control channel and a metering channel are arranged in the valve body; the oil control oil duct is communicated with the metering oil duct through two communicating oil ducts; a columnar piston is arranged in the metering oil duct, and inlets of the two communicating oil ducts are respectively positioned at two ends of the metering oil duct; a reversing piston is arranged in the control oil duct, and two annular grooves are formed in the middle of the reversing piston; the outlets of the two communicating oil ducts can be respectively communicated with a cavity gap formed by two annular grooves of the reversing piston and the control oil duct; the oil outlet hole is arranged at the cavity gap surrounded by the two annular grooves of the reversing piston and the metering oil duct, and the oil inlet hole is arranged at the two ends of the control oil duct. The utility model discloses simple structure is compact, and is with low costs, and can make the hole enlargement lubricated abundant through the accurate distribution to the lubricant amount, reduces hole enlargement equipment fault rate, reduces cost of maintenance, improves hole enlargement equipment work efficiency.
Description
Technical Field
The utility model relates to a machinery expanding machine advances formula centralized lubrication system double-line lubrication distributor step by step.
Background
In the production of large-diameter longitudinal submerged arc welded pipes such as JCOE and UOE, after the steel pipe is subjected to forming, inner welding, outer welding and other steps, the final concentricity of the steel pipe and the dimensional accuracy of the inner and outer diameters need to be finally calibrated by a mechanical expanding machine. When mechanical expanding is carried out, huge surface pressure and friction are generated between the fan-shaped block and the cone of the expanding machine, the friction needs to be reduced through a lubricating arrangement, and the lubricating ring serves as a distributor and a supply unit to supply the lubricant to corresponding lubricating points. The dispenser serves as a supply unit for supplying lubricant to the respective lubricating points.
In the existing lubricant distributor, an oil inlet channel is arranged on the lubricant distributor, so that the oil inlet channel can be communicated with a plurality of oil outlets to distribute lubricant to lubricating points at different positions on a cone, the structure of the lubricant distributor only adopts a simple branched oil path design, and the oil amount of each oil outlet has different flow rates and oil outlet pressures due to the influence of the length and the short stroke of a pipeline. Therefore, the existing lubricant distributor is only provided with a simple branch oil path aiming at the oil inlet channel, and cannot perfectly control the oil outlet flow and the oil outlet pressure of each oil outlet hole. When the diameter is expanded, the pressure between the contact surfaces of the fan-shaped blocks and the cone is large, if the lubrication is poor, the abrasion is accelerated, the stress is uneven, the abrasion of a diameter expansion head die is accelerated, even the contact surface of a workpiece is abraded and abraded, if the abrasion is not uniform, the diameter expansion tension is increased sharply, the die is scrapped, if the abrasion is small, the diameter expansion tension is broken due to overlarge tension, and if the abrasion is heavy, the failure rate is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure is compact, and is with low costs, and can make the hole enlargement lubricated abundant through the accurate distribution to the lubricant quantity, reduces hole enlargement equipment fault rate, reduces cost of maintenance, improves hole enlargement equipment work efficiency's hole enlargement double-line lubrication distributor.
The utility model adopts the technical proposal that: an expanding double-line lubrication distributor comprises a valve body, a columnar piston, a reversing piston, a sealing copper pad and a piston plug; an oil control oil passage and a metering oil passage are arranged in the valve body; two ends of the oil control channel and the metering channel are respectively provided with a plug; the oil control oil duct is communicated with the metering oil duct through two communicating oil ducts; a columnar piston is arranged in the metering oil duct, and inlets of the two communicating oil ducts are respectively positioned at two ends of the metering oil duct; a reversing piston is arranged in the oil control passage, and two annular grooves are formed in the middle of the reversing piston; outlets of the two communicating oil ducts can be respectively communicated with a cavity gap formed by two annular grooves of the reversing piston and the oil control oil duct; the oil outlet hole is arranged at the cavity gap surrounded by the two annular grooves of the reversing piston and the metering oil duct, and the oil inlet hole is arranged at each of the two ends of the oil control oil duct.
In the diameter-expanding double-line lubrication distributor, the diameter of the oil control passage is smaller than that of the metering oil passage; the oil control channel and the metering channel adopt piston plugs with the same size; and a sealing copper gasket is arranged between the piston plug and the oil control oil duct or the metering oil duct.
In the diameter-expanding double-line lubrication distributor, the orifices of the oil inlet hole and the oil outlet hole are provided with spot-facing planes for mounting O-shaped sealing rings.
In the diameter-expanding double-line lubrication distributor, the diameters of the two ends of the reversing piston are smaller than the diameter of the oil control duct, and the two ends of the reversing piston are respectively provided with an overhauling threaded hole.
In the diameter-expanding double-line lubrication distributor, the diameters of the two ends of the columnar piston are smaller than the diameter of the metering oil duct, and the two ends of the columnar piston are respectively provided with an overhauling threaded hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1) the utility model discloses simple structure, compactness, simple to operate, low in manufacturing cost.
2) The utility model discloses an adopt the pressure switching-over, through column piston diameter and length, but the lubricated oil yield in turn at every turn of accurate control reaches force-feed lubrication's purpose.
3) The utility model discloses during the use, adopt four screw rods to be connected with lubricated main part, reduced lubricated pipeline for installation, dismantlement are convenient, and the security is good, reduce equipment fault rate, reduce cost of maintenance, improve work efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a cross-sectional view of the valve body of the present invention.
Fig. 5 is the utility model discloses a working principle during left side inlet port oil feed picture.
Fig. 6 is the utility model discloses a working principle during right side inlet port oil feed picture.
In the figure: 1. a valve body; a1, a metering oil passage; a2, an oil control channel; a3, communicating oil passages; a4, plug holes; a5, oil inlet; a6, oil outlet; 2. a cylindrical piston; 3. a reversing piston; 4. sealing the copper gasket; 5. a piston plug; 6. an O-shaped sealing ring; 7. and (5) installing a screw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model comprises a valve body 1, a columnar piston 2, a reversing piston 3, a sealing copper pad 4, a piston plug 5 and a mounting screw 7; the installation screw 7 is installed on a side of valve body 1 for the fixing the utility model discloses. An oil control oil passage A2 and a metering oil passage A1 are arranged in the valve body 1 in parallel; two ends of the oil control channel A2 and the metering oil channel A1 are respectively provided with a piston plug 5; a sealing copper pad 4 is respectively arranged between the piston plug 5 and the oil control oil passage A2 or the metering oil passage A1, and a closed oil passage is formed by the piston plug 5 and the sealing copper pad 4; the sealing copper gasket 4 reduces oil leakage faults caused by aging of other sealing materials; the reversing efficiency is improved. The diameter of the oil control passage A2 is slightly smaller than that of the metering oil passage A1; for the consistency of the fittings, the oil control passage A2 and the metering oil passage A1 have the same size of plug holes A4 at two ends, and therefore, the piston plugs 5 with the same size are adopted.
The oil control passage A2 is communicated with the metering oil passage A1 through two communicating oil passages A3; be equipped with column piston 2 in the measurement oil duct A1, the diameter at column piston 2 both ends is less than the diameter of measurement oil duct A1, and the both ends of column piston 2 are equipped with the maintenance screw hole respectively, and convenient maintenance is disassembled. The inlets of the two communication oil passage A3 are located at both ends of the metering oil passage a1, respectively.
A reversing piston 3 is arranged in the oil control passage A2, the reversing piston 3 is of a segmented structure, and two annular grooves are formed in the middle of the reversing piston 3; the two annular grooves divide the reversing piston 3 into three sections. The diameters of the two ends of the reversing piston 3 are smaller than the diameter of the oil control duct, and the two ends of the reversing piston 3 are respectively provided with an overhauling threaded hole, so that the reversing piston is convenient to maintain and disassemble. Outlets of the two communicating oil passages A3 can be respectively communicated with a cavity gap formed by two annular grooves of the reversing piston 3 and an oil control oil passage A2; the oil outlet A6 is arranged at the cavity gap surrounded by the two annular grooves of the reversing piston 3 and the metering oil passage A2, and the oil inlet A5 is arranged at the two ends of the oil control oil passage A2. The orifices of the oil inlet A5 and the oil outlet A6 are respectively provided with a spot-facing plane for mounting an O-shaped sealing ring 6.
As shown in fig. 5, the working principle of the present invention is as follows: in the initial state, the oil control passage a2 and the metering oil passage a1 are filled with lubricant, and the reversing piston 3 is located at the rightmost end. When oil is continuously fed into the oil inlet on the left side, the oil enters a cavity gap J-H-1 formed by the left end of the reversing piston 3 and the oil control oil passage A2, the reversing piston 3 is forced to move rightwards, oil enters a cavity gap J-J-1 formed by the left end of the columnar piston 2 and the metering oil passage A1 from the communication oil passage A3 on the left side, the columnar piston 2 is forced to slide rightwards, lubricant in the cavity gap J-J-2 on the right side of the columnar piston 2 in the metering oil passage A1 enters a cavity gap J-H-2 formed by an annular groove on the right side of the reversing piston 3 and the oil control oil passage A2 through the communication oil passage A3 on the right side, and then the lubricant is discharged from the oil. After the columnar piston 2 is contacted with the piston plug 5 at the right end of the metering oil passage A1, the oil outlet hole at the right side stops oil outlet. When a cavity gap J-H-1 formed by the left end of the reversing piston 3 and the oil control channel A2 reaches a certain pressure (the pressure can be set), oil starts to enter from the oil inlet hole on the right side.
When oil is continuously fed into the oil inlet on the right side as shown in fig. 6, the cavity J-H-3 enclosed by the right end of the reversing piston 3 and the oil control oil passage A2 is fed, so that the reversing piston 3 is forced to move leftwards, oil enters the cavity J-J-2 enclosed by the right end of the cylindrical piston 2 and the metering oil passage A1 from the communication oil passage A3 on the right side, the cylindrical piston 2 is forced to slide leftwards, lubricant in the cavity J-J-1 enclosed by the left end of the cylindrical piston 2 and the metering oil passage A1 enters the cavity J-H-4 enclosed by the annular groove on the left side of the reversing piston 3 and the oil control oil passage A2 through the communication oil passage A3 on the left side, and then is discharged from the oil outlet on the left side.
Claims (5)
1. An expanding double-line lubrication distributor is characterized by comprising a valve body, a columnar piston, a reversing piston and a piston plug; an oil control oil passage and a metering oil passage are arranged in the valve body; piston plugs are respectively arranged at two ends of the oil control channel and the metering oil channel; the oil control oil duct is communicated with the metering oil duct through two communicating oil ducts; a columnar piston is arranged in the metering oil duct, and inlets of the two communicating oil ducts are respectively positioned at two ends of the metering oil duct; a reversing piston is arranged in the oil control passage, and two annular grooves are formed in the middle of the reversing piston; outlets of the two communicating oil ducts can be respectively communicated with a cavity gap formed by two annular grooves of the reversing piston and the oil control oil duct; the oil outlet hole is arranged at the cavity gap surrounded by the two annular grooves of the reversing piston and the metering oil duct, and the oil inlet hole is arranged at each of the two ends of the oil control oil duct.
2. The expanding double-line lubrication distributor as claimed in claim 1, wherein the oil control passage is smaller than the metering passage; the oil control channel and the metering channel adopt piston plugs with the same size; and a sealing copper gasket is arranged between the piston plug and the oil control oil duct or the metering oil duct.
3. The expanded diameter dual wire lubrication distributor according to claim 1, wherein: the orifice of the oil inlet hole and the orifice of the oil outlet hole are provided with ream flat planes for installing O-shaped sealing rings.
4. The expanded diameter twin line lubrication distributor according to claim 1 or 2, wherein: the diameters of the two ends of the reversing piston are smaller than the diameter of the oil control duct, and the two ends of the reversing piston are respectively provided with an overhauling threaded hole.
5. The expanded diameter twin line lubrication distributor according to claim 1 or 2, wherein: the diameter at the two ends of the columnar piston is smaller than that of the metering oil duct, and the two ends of the columnar piston are respectively provided with an overhauling threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281091.1U CN211232365U (en) | 2019-12-18 | 2019-12-18 | Diameter-expanding double-line lubrication distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281091.1U CN211232365U (en) | 2019-12-18 | 2019-12-18 | Diameter-expanding double-line lubrication distributor |
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| Publication Number | Publication Date |
|---|---|
| CN211232365U true CN211232365U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281091.1U Active CN211232365U (en) | 2019-12-18 | 2019-12-18 | Diameter-expanding double-line lubrication distributor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303465A (en) * | 2020-10-30 | 2021-02-02 | 燕山大学 | Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment |
-
2019
- 2019-12-18 CN CN201922281091.1U patent/CN211232365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303465A (en) * | 2020-10-30 | 2021-02-02 | 燕山大学 | Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment |
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Address after: 411300 East of Lianhua Road and South of Xinyang Road, Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee after: Xiangtan Huajin Heavy Equipment Technology Co.,Ltd. Address before: 411300 East of Lianhua Road and South of Xinyang Road, Shaoshan High-tech Industrial Development Zone, Xiangtan City, Hunan Province Patentee before: Xiangtan Huajin Heavy Loading Co.,Ltd. |