CN113635028A - Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system - Google Patents

Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system Download PDF

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Publication number
CN113635028A
CN113635028A CN202111201577.5A CN202111201577A CN113635028A CN 113635028 A CN113635028 A CN 113635028A CN 202111201577 A CN202111201577 A CN 202111201577A CN 113635028 A CN113635028 A CN 113635028A
Authority
CN
China
Prior art keywords
hydraulic
pipe joint
positioning
oil
oil cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111201577.5A
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Chinese (zh)
Inventor
孟莉丽
张振
付凤仪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Metal Technology Co ltd
Original Assignee
Liaoning Metal Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liaoning Metal Technology Co ltd filed Critical Liaoning Metal Technology Co ltd
Priority to CN202111201577.5A priority Critical patent/CN113635028A/en
Publication of CN113635028A publication Critical patent/CN113635028A/en
Priority to CN202111657028.9A priority patent/CN114147666A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

Abstract

The invention discloses a positioning and assembling device for a pipe joint and an extrusion ring of a hydraulic pipeline system, which belongs to the technical field of hydraulic execution working systems and comprises a rack, a host and an oil cylinder, wherein the host is arranged above the rack, and the oil cylinder is connected to the host; the hydraulic oil storage tank is arranged in the cavity of the rack, and a hydraulic pump and a combined valve are arranged above the hydraulic oil storage tank; the hydraulic pump is connected with the combined valve, the combined valve is connected with the oil cylinder, and the hydraulic pump and the combined valve are both communicated with the interior of the hydraulic oil storage tank; the positioning tool is arranged in the host and connected with an oil cylinder connected to the outer side of the host. The invention can realize semi-automatic assembly, improve the assembly efficiency and the assembly quality, replace the prior working mode of pure manual compression joint assembly and reduce the manufacturing period of products.

Description

Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system
Technical Field
The invention belongs to the technical field of hydraulic execution working systems, and is suitable for axial connection of pipeline connecting pieces in aviation and aerospace hydraulic pipeline systems; in particular to a positioning and assembling device for a pipe joint and a squeezing ring of a hydraulic pipeline system.
Background
The axial extrusion pipeline connecting piece of the aviation and aerospace hydraulic systems is an international advanced pipeline connecting piece, is suitable for connecting high-pressure pipelines of the aviation and aerospace hydraulic systems, and is applied to foreign airplanes such as F-16, C-17, V-22, F/A-18E, A320, A380 and the like, so that the pressure of the hydraulic system of the airplane is increased to 35MPa, the weight of the hydraulic system of the airplane is greatly reduced, and the maneuvering performance and the fighting performance of the airplane are improved. At present, the design and manufacturing technology of the product is primarily mastered in the early development stage in China.
The axial extrusion pipeline connecting piece in the hydraulic pipeline is formed by assembling and combining a pipe joint and an extrusion ring, when the axial extrusion pipeline connecting piece is assembled on an airplane, the axial extrusion pipeline connecting piece is required to be installed at a preset position of a conduit, the extrusion ring enables the extrusion ring to be extruded to the pipe joint through the axial extrusion force of the existing crimping tool, the radial extrusion interference connection of the pipe joint and the conduit is completed through the radial size difference of the extrusion ring and the pipe joint, and the sealing of the conduit and the pipe joint is realized. At present, when the product of the axial extrusion pipeline connecting piece is delivered, an extrusion ring needs to be assembled on a specific position of a pipe joint; the hydraulic conduit can not be arranged in the inner hole of the pipe joint or the extrusion ring automatically falls off when the assembly position is incorrect, and quality accidents occur, so that the assembly of the pipe joint and the extrusion ring is an important work for forming the axial extrusion pipeline connecting piece.
At present, the existing crimping tool for assembling the pipe joint and the extrusion ring has the following problems: the manual compression joint assembly is needed, the assembly position of the extrusion ring and the pipe joint is inaccurate during compression joint, the assembly quality is poor, the efficiency is low, and the product manufacturing period is long.
Disclosure of Invention
Aiming at the problems, the invention makes up the defects of the prior art and provides a positioning and assembling device for a pipe joint and an extrusion ring of a hydraulic pipeline system; the invention can automatically and accurately complete the positioning and assembling work of the pipe joint and the extrusion ring.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention relates to a positioning and assembling device for a pipe joint and an extrusion ring of a hydraulic pipeline system, which is characterized in that: the hydraulic oil cylinder device comprises a rack, a host and an oil cylinder, wherein the host is arranged above the rack, and the oil cylinder is connected to the host; the hydraulic oil storage tank is arranged in the cavity of the rack, and a hydraulic pump and a combined valve are arranged above the hydraulic oil storage tank; the hydraulic pump is connected with the combined valve, the combined valve is connected with the oil cylinder, and the hydraulic pump and the combined valve are both communicated with the interior of the hydraulic oil storage tank; the positioning tool is arranged in the host and connected with an oil cylinder connected to the outer side of the host.
As a preferable scheme of the invention, the pipe joint and extrusion ring positioning and assembling device further comprises a PLC control system, and the PLC control system is electrically connected with the hydraulic pump, the combined valve and the oil cylinder.
Furthermore, the combined valve comprises a reversing valve and an overflow valve, the reversing valve is connected with the oil cylinder through an oil conveying pipeline, and the overflow valve is connected with the hydraulic pump through an oil conveying pipeline.
Furthermore, the reversing valve is an electromagnetic reversing valve.
Furthermore, the overflow valve adopts a pilot overflow valve, and a hydraulic gauge is connected to the overflow valve.
Furthermore, the oil cylinder is an electromagnetic bidirectional oil cylinder.
As another preferable scheme of the invention, the rack comprises a rack body shell and a working table plate, the working table plate is fixedly connected to the upper end of the rack body shell, and a hydraulic oil storage tank is arranged in the rack body shell.
In another preferred embodiment of the present invention, the hydraulic pump is connected to an oil pumping pipe, and the oil pumping pipe is communicated with the inside of the hydraulic oil storage tank below the oil level.
In another preferred embodiment of the present invention, the overflow valve is connected to a control oil pipe, and the control oil pipe is communicated with the inside of the hydraulic oil storage tank below the oil level.
As another preferred scheme of the invention, the positioning tool comprises a sliding block and a positioning block, the sliding block is arranged on one side in the host and connected with an oil cylinder fixed on the outer side of the host, and the positioning block is arranged on the other side in the host opposite to the sliding block.
As another preferred scheme of the invention, a positioning groove is arranged on the positioning block, and a fixing clamping block which is matched and clamped with the pipe joint is arranged in the middle of the positioning groove; two ends of the positioning groove of the positioning block are provided with groove body ports, the groove body ports are right opposite to the sliding block, and the extrusion ring is connected with the pipe joint in a matching mode through the groove body ports.
The invention has the beneficial effects that:
1. according to the pipe joint and extrusion ring positioning and assembling device of the hydraulic pipeline system, the hydraulic oil storage tank, the hydraulic pump, the combined valve, the oil cylinder, the host and the positioning tool arranged in the host are combined to form the positioning and assembling device in a hydraulic transmission structure form, so that the compression joint assembly of the pipe joint and the extrusion ring is realized; the assembly quality and the technical key of the axial pipeline pipe joint assembly can be ensured, the application level of the pipeline connecting piece of the aviation hydraulic system in China is improved, the technical levels of the hydraulic systems of the domestic fighter and the civil aircraft are improved, the pipeline connecting technology of the hydraulic system of the domestic aircraft is made to catch up with the international advanced level, and meanwhile, the safety and the reliability of the hydraulic system of the domestic aircraft are improved.
2. In the aspect of economy, as the device adopts a hydraulic transmission structural form to complete the axial extrusion assembly work of the extrusion ring and the pipe joint, semi-automatic assembly can be realized, the assembly efficiency and the assembly quality are improved, the traditional working mode of pure manual compression joint assembly is replaced, and the manufacturing period of products is shortened.
Drawings
Fig. 1 is a schematic structural view of a pipe joint and squeeze ring positioning and assembling device of a hydraulic piping system according to the present invention.
FIG. 2 is a schematic structural diagram of the working principle of the positioning tool in the host machine before the pipe joint and the extrusion ring are assembled.
FIG. 3 is a schematic structural diagram of the working principle of the positioning tool in the host machine after the pipe joint and the extrusion ring are assembled.
The labels in the figure are: the hydraulic oil cylinder device comprises an oil cylinder 1, a sliding block 2, a positioning block 3, a host machine 4, a positioning tool 5, a frame 6, a hydraulic pump 7, an oil pumping pipe 8, a hydraulic oil storage tank 9, a control oil pipe 10, an overflow valve 11, a hydraulic pressure meter 12, a reversing valve 13, an oil conveying pipeline 14, a pipe joint 15, an extrusion ring 16, a piston rod 17, a fixed clamping block 18 and a positioning groove 19.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the positioning and assembling device for the pipe joint 15 and the extrusion ring 16 of the hydraulic pipeline system comprises a frame 6, a main machine 4 and an oil cylinder 1, wherein the main machine 4 is arranged above the frame 6, and the oil cylinder 1 is connected to the main machine 4; a cavity is formed in the frame 6, a hydraulic oil storage tank 9 is arranged in the cavity of the frame 6, and a hydraulic pump 7 and a combined valve are arranged above the hydraulic oil storage tank 9; the hydraulic pump 7 is connected with a combined valve, the combined valve is connected with the oil cylinder 1, and the hydraulic pump 7 and the combined valve are both communicated with the interior of the hydraulic oil storage tank 9; a positioning tool 5 is arranged in the host machine 4, and the positioning tool 5 is connected with the oil cylinder 1 connected to the outer side of the host machine 4.
The positioning and assembling device for the pipe joint 15 and the extrusion ring 16 also comprises a PLC control system, and the PLC control system is electrically connected with the hydraulic pump 7, the combined valve and the oil cylinder 1; the PLC control system can control the start and stop operation of the hydraulic pump 7, can control the working states of the combined valve such as electrification, opening and closing, realizes the control of oil supply of the oil cylinder 1, and further realizes the axial extrusion assembly between the extrusion ring 16 and the pipe joint 15 by the oil cylinder 1 driving and positioning tool 5.
The combined valve comprises a reversing valve 13 and an overflow valve 11, the reversing valve 13 is combined and connected with the overflow valve 11, the reversing valve 13 is connected with the oil cylinder 1 through an oil pipeline 14, and the overflow valve 11 is connected with the hydraulic pump 7 through the oil pipeline 14; the overflow valve 11 is connected with a control oil pipe 10, and the control oil pipe 10 is communicated below the oil surface in the hydraulic oil storage tank 9; and the hydraulic pump 7 is connected with an oil pumping pipe 8, and the oil pumping pipe 8 is communicated below the oil surface in the hydraulic oil storage tank 9. The reversing valve 13 is a two-position electromagnetic reversing valve, the overflow valve 11 is a hydraulic pressure control valve and is mainly used for constant pressure and stable pressure, and the overflow valve 11 is a pilot overflow valve; the two-position electromagnetic directional valve and the pilot overflow valve are combined to form an electromagnetic overflow valve, and the two-position electromagnetic directional valve controls whether a control oil way of the pilot overflow valve is communicated with the hydraulic oil storage tank 9 or not so as to realize unloading and loading of the hydraulic system; when the electromagnetic directional valve is not powered, the overflow valve plays a role; when the electromagnetic directional valve is electrified, the hydraulic system is unloaded. The overflow valve 11 is connected with a hydraulic gauge 12 for monitoring and displaying a pressure value, and the oil cylinder 1 is an electromagnetic bidirectional oil cylinder.
The frame 6 comprises a frame body shell and a working table plate, the working table plate is fixedly connected to the upper end of the frame body shell, and a hydraulic oil storage tank 9 is arranged in the frame body shell; the main machine 4 is arranged on a working table plate of the frame 6, the oil cylinder 1 is fixedly arranged on the outer side wall of the main machine 4, and a piston rod 17 of the oil cylinder 1 penetrates through the side wall of the main machine 4 and is connected with a positioning tool 5 arranged in the main machine 4; the positioning tool 5 comprises a sliding block 2 and a positioning block 3, the sliding block 2 is arranged on one side in the main machine 4, the sliding block 2 is connected with a piston rod 17 of the oil cylinder 1, and the positioning block 3 is arranged on the other side in the main machine 4 opposite to the sliding block 2; the positioning block 3 is provided with a positioning groove 19, a fixing fixture block 18 which is matched and clamped with the pipe joint 15 is arranged in the middle of the positioning groove 19, the pipe joint 15 can be stably positioned in the positioning groove 19 by the fixing fixture block 18, and the extrusion ring 16 and the pipe joint 15 are ensured not to shake in the compression joint process so as to avoid influencing the accuracy of the compression joint assembly position; two ends of a positioning groove 19 of the positioning block 3 are groove body ports, the groove body ports are right opposite to the sliding block 2, and the extrusion ring 16 is connected with the pipe joint 15 in a matching mode through the groove body ports.
The working principle of the invention is explained by combining the positioning tool 5 shown in fig. 1, fig. 2 and fig. 3 with the structural schematic diagrams before and after the pipe joint 15 and the extrusion ring 16 are assembled: the hydraulic pump 7 conveys hydraulic oil in the hydraulic oil storage tank 9 to the oil cylinder 1 through an oil conveying pipeline 14, a piston in the oil cylinder 1 is acted by hydraulic force to generate axial displacement, and a piston rod 17 of the oil cylinder 1 pushes a sliding block 2 of the positioning tool 5 in the host machine 4 to move axially; a pipe joint 15 and an extrusion ring 16 which need to be axially extruded and assembled are placed on a positioning tool 5 arranged in a host 4, the sliding block 2 continues to axially move, the extrusion ring 16 is pressed into two ends of the pipe joint 15, and the extrusion depth is controlled by the sliding block 2 of the positioning tool 5. After assembly is completed, the PLC control system sends out a control signal to trigger the electromagnetic directional valve to change direction, the piston moves in the opposite direction, and the piston rod 17 pulls the sliding block 2 to move backwards. The assembled pipe joint 15 and the extrusion ring 16 are taken out and can be repeatedly operated, so that continuous assembly is realized.
The positioning tool 5 provided by the invention can be designed into a structural form suitable for crimping and assembling pipe joints of various specifications, so that the pipe joint 15 and the extrusion ring 16 can be positioned; the invention adopts a hydraulic transmission structure form to complete the axial extrusion assembly work of the extrusion ring 16 and the pipe joint 15, can realize semi-automatic assembly, improves the assembly efficiency and the assembly quality, replaces the working mode of the prior pure manual compression joint assembly, and reduces the manufacturing period of products.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.

Claims (10)

1. The utility model provides a coupling and extrusion ring location and assembly quality of hydraulic line system which characterized in that: the hydraulic oil cylinder device comprises a rack, a host and an oil cylinder, wherein the host is arranged above the rack, and the oil cylinder is connected to the host; the hydraulic oil storage tank is arranged in the cavity of the rack, and a hydraulic pump and a combined valve are arranged above the hydraulic oil storage tank; the hydraulic pump is connected with the combined valve, the combined valve is connected with the oil cylinder, and the hydraulic pump and the combined valve are both communicated with the interior of the hydraulic oil storage tank; the positioning tool is arranged in the host and connected with an oil cylinder connected to the outer side of the host.
2. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the pipe joint and extrusion ring positioning and assembling device further comprises a PLC control system, and the PLC control system is electrically connected with the hydraulic pump, the combined valve and the oil cylinder.
3. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the combined valve comprises a reversing valve and an overflow valve, the reversing valve is connected with the oil cylinder through an oil conveying pipeline, the overflow valve is connected with the hydraulic pump through an oil conveying pipeline, and the reversing valve is an electromagnetic reversing valve.
4. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 3, wherein: the overflow valve adopts a pilot overflow valve, and a hydraulic gauge is connected to the overflow valve.
5. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the oil cylinder is an electromagnetic bidirectional oil cylinder.
6. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the frame includes support body shell and work platen, and work platen fixed connection sets up the hydraulic pressure batch oil tank in the support body shell in support body shell upper end.
7. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the hydraulic pump is connected with an oil pumping pipe, and the oil pumping pipe is communicated below the oil surface in the hydraulic oil storage tank.
8. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 3, wherein: and the overflow valve is connected with a control oil pipe, and the control oil pipe is communicated below the oil surface in the hydraulic oil storage tank.
9. The pipe joint and squeeze ring positioning and fitting device of a hydraulic line system according to claim 1, wherein: the positioning tool comprises a sliding block and a positioning block, the sliding block is arranged on one side in the host and connected with an oil cylinder fixed on the outer side of the host, and the positioning block is arranged on the other side in the host opposite to the sliding block.
10. The pipe joint and squeeze ring positioning and fitting device of a hydraulic conduit system according to claim 9, wherein: the positioning block is provided with a positioning groove, and a fixing clamping block which is matched and clamped with the pipe joint is arranged in the middle of the positioning groove; two ends of the positioning groove of the positioning block are provided with groove body ports, the groove body ports are right opposite to the sliding block, and the extrusion ring is connected with the pipe joint in a matching mode through the groove body ports.
CN202111201577.5A 2021-10-15 2021-10-15 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system Pending CN113635028A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111201577.5A CN113635028A (en) 2021-10-15 2021-10-15 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system
CN202111657028.9A CN114147666A (en) 2021-10-15 2021-12-30 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111201577.5A CN113635028A (en) 2021-10-15 2021-10-15 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system

Publications (1)

Publication Number Publication Date
CN113635028A true CN113635028A (en) 2021-11-12

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CN202111201577.5A Pending CN113635028A (en) 2021-10-15 2021-10-15 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system
CN202111657028.9A Pending CN114147666A (en) 2021-10-15 2021-12-30 Pipe joint and extrusion ring positioning and assembling device of hydraulic pipeline system

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1727110A (en) * 2005-07-26 2006-02-01 张玉良 Head of burking machine
CN202200015U (en) * 2011-08-18 2012-04-25 中联重科股份有限公司 Shaft sleeve assembly machine
CN103009046A (en) * 2012-12-11 2013-04-03 乐山市新欣机械制造有限公司 Special device for quickly disassembling automobile braking drum
CN103878566A (en) * 2014-03-19 2014-06-25 常州科兴铁路装备有限公司 Slip ring body press-fitting equipment
CN207656221U (en) * 2017-11-30 2018-07-27 青岛三祥科技股份有限公司 Rubber hose coupling assembly tooling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1727110A (en) * 2005-07-26 2006-02-01 张玉良 Head of burking machine
CN202200015U (en) * 2011-08-18 2012-04-25 中联重科股份有限公司 Shaft sleeve assembly machine
CN103009046A (en) * 2012-12-11 2013-04-03 乐山市新欣机械制造有限公司 Special device for quickly disassembling automobile braking drum
CN103878566A (en) * 2014-03-19 2014-06-25 常州科兴铁路装备有限公司 Slip ring body press-fitting equipment
CN207656221U (en) * 2017-11-30 2018-07-27 青岛三祥科技股份有限公司 Rubber hose coupling assembly tooling

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李时辉: "《PLC过程化考核实训指导书》", 31 January 2017, 上海交通大学出版社 *
许明: "《液压与气压传动》", 31 July 2018, 西安电子科技大学出版社 *

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Application publication date: 20211112

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