CN1931488A - Hydraulic broacher - Google Patents

Hydraulic broacher Download PDF

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Publication number
CN1931488A
CN1931488A CN 200610116824 CN200610116824A CN1931488A CN 1931488 A CN1931488 A CN 1931488A CN 200610116824 CN200610116824 CN 200610116824 CN 200610116824 A CN200610116824 A CN 200610116824A CN 1931488 A CN1931488 A CN 1931488A
Authority
CN
China
Prior art keywords
pull bar
hydraulic
oil cylinder
broacher
broaching tool
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
CN 200610116824
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Chinese (zh)
Inventor
钮心仪
王为庆
冯章胜
陈文汉
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.)
Hudong Zhonghua Shipbuilding Group Co Ltd
Original Assignee
Hudong Zhonghua Shipbuilding Group 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 Hudong Zhonghua Shipbuilding Group Co Ltd filed Critical Hudong Zhonghua Shipbuilding Group Co Ltd
Priority to CN 200610116824 priority Critical patent/CN1931488A/en
Publication of CN1931488A publication Critical patent/CN1931488A/en
Pending legal-status Critical Current

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Abstract

The portable hydraulic broacher for reaming bolt hole includes a broaching cutter, a broaching rod, a tension oil cylinder and an electrically driven oil pump. The broaching cutter is screwed to the bottom of the broaching rod; the broaching rod is fixed to the piston inside the tension oil cylinder; the tension oil cylinder has columnar middle sleeve for connecting to the workpiece, two oil nozzles in the outer wall and communicated via hoses to the electrically driven oil pump. The portable hydraulic broacher with portable electrically driven oil pump and detachable broaching device is suitable for use in different conditions.

Description

Hydraulic broacher
Technical field
The present invention relates to machinery processing apparatus, particularly a kind of portable hydraulic broacher that is used for the articulation bolt hole.
Background technology
Plant equipment is installed the processing in the articulation bolt hole of location, generally all manually constructions at the scene now, the construction method of the manual reamer ream bolt hole of taking usually is: get out through hole with drilling tool earlier, carry out the manual ream processing in aperture then with manual reamer.The construction of the method for ream generally will repeat to pick up for several times by hand, the diameter of manual reamer is transferred big (about 0.11mm) to pull reamer with hand at every turn and is carried out the ream construction, and repeated multiple times is cut with scissors up to endoporus.The precision in the aperture of construction method processing commonly used is relatively poor, general suitable for reading bigger than end opening, and fineness, ovality equal error are all bigger, can not satisfy the installation requirements of the high equipment of positioning accuracy.
Summary of the invention
The objective of the invention is to solve above-mentioned existing on-the-spot articulation bolt hole and process existing problem, the hydraulic broacher in a kind of articulation bolt hole is provided, this hydraulic broacher is mainly used in on-the-spot articulation bolt hole, the present invention is owing to adopt the processing dynamics of electric oil pump and stretching oil cylinder, alleviated workmen's labour intensity, improved the efficient that work is produced, the process of machining can also improve the machining accuracy in aperture greatly, and the fineness, ovality that makes machining hole is all near the level of processing of special broaching machine.
Technical scheme of the present invention is:
A kind of hydraulic broacher, comprise broaching tool, pull bar, stretching oil cylinder and electric oil pump, described broaching tool is tightened against on the pull bar bottom external screw thread of pull bar bottom by the broaching tool internal thread at top, pull bar is upward through the centre bore of stretching oil cylinder inner carrier, the top of described piston is equipped with the nut of an external diameter greater than described piston center hole internal diameter, described nut is fixed by pull bar tip male thread and pull bar, be with the cylindricality intermediate sleeve of the hollow that can pass for pull bar between stretching oil cylinder and the workpiece, the top of stretching oil cylinder outer wall is provided with first oil nozzle, the bottom is provided with second oil nozzle, and described first oil nozzle and second oil nozzle are communicated with first oilhole and second oilhole of electric oil pump by first flexible pipe and second flexible pipe.
The blade of described broaching tool comprises a plurality of rough cutter swords, a plurality of finishing tool sword and a plurality of smart blade that parallel distribution and diameter increase gradually from top to bottom.
The barrel upper and lower of described intermediate sleeve respectively has the big and little tubaeform cutting fluid hand-hole of internal diameter of an external diameter.
Described stretching oil cylinder has different oil cylinder internal diameters and corresponding piston diameter specification.
Described first flexible pipe and second flexible pipe are hydraulic hose, are connected with adopting snap joint between described stretching oil cylinder and the electric oil pump.
Described electric oil pump is portable single-stage electric oil pump.
Technique effect of the present invention is:
The method of this device processing articulation screw is to adopt broaching tool broaching machining principle, with broaching tool, pull bar, in to sleeve, draw high oil cylinder, electric oil pump and be assembled into a cover hydraulic broacher articulation bolt hole at the construction field (site).Hydraulic broacher of the present invention artificial more in the past has following advantage:
1. adopt hydraulic broacher, make that the construction stability in the broaching process strengthens, can improve the machining accuracy in aperture greatly, the fineness of the bolt hole of processing, ovality are all near the level of processing of special broaching machine.
2. the broaching equipment that adopts the portable electric oil pump and can freely dismantle is convenient to various suitable environments, can assemble according to working environment, and construction is succinctly convenient.
3. adopt the processing dynamics of electric oil pump and stretching oil cylinder, alleviated workmen's labour intensity, improved the efficient that work is produced.
Description of drawings
Fig. 1 is the structural representation of hydraulic broacher of the present invention.
Fig. 2 is the broaching tool structural representation in the hydraulic broacher of the present invention.
Fig. 3 is the Tiebar structure schematic diagram in the hydraulic broacher of the present invention.
Fig. 4 is the drawing oil cylinder structure schematic diagram in the hydraulic broacher of the present invention.
Fig. 5 is the intermediate sleeve structural representation in the hydraulic broacher of the present invention.
Among the figure:
The smart blade of 1-broaching tool 11-broaching tool rough cutter sword 12-broaching tool finishing tool sword 13-broaching tool
14-broaching tool internal thread
2-pull bar 21-pull bar bottom external screw thread 22-pull bar tip male thread
3-intermediate sleeve 31-cutting fluid hand-hole
The 4-stretching oil cylinder 41-piston 411-piston center hole 42-first oil nozzle 43-
Second oil nozzle
The 5-electric oil pump 51-first oilhole 52-second oilhole
The 61-first flexible pipe 62-second flexible pipe 7-workpiece
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.
The present invention be directed to manual reamer to the deficiency in the construction of the ream of endoporus and improved device, promptly adopted the method for executing of broaching machine broaching endoporus, adopt the convenient assembled in situ of portable stretching oil cylinder and portable electric oil pump, broaching tool is to be fit to on-the-spot convenient the installation and the special-purpose broaching tool of improved.
Please see Figure 1, hydraulic broacher of the present invention comprises broaching tool, pull bar and hydraulic mechanism, hydraulic mechanism comprises stretching oil cylinder 4 and electric oil pump 5, a nut 8 is fixed in the upper end of pull bar 2, pull bar 2 passes the cylindricality intermediate sleeve 3 of stretching oil cylinder 4 and hollow and the pore of workpiece to be processed 7, the pull bar 2 that sees through workpiece to be processed 7 is by the broaching tool 1 that is threaded, the top of stretching oil cylinder 4 outer walls is provided with the-oil nozzle 42, the bottom is provided with second oil nozzle 43, and described first oil nozzle 42 and second oil nozzle 43 are communicated with first oilhole 51 and second oilhole 52 of electric oil pump 5 by first flexible pipe 61 and second flexible pipe 62.
See Fig. 2 again, Fig. 2 is the broaching tool structural representation of hydraulic broacher of the present invention.Having on the shrinkage pool wall of broaching tool 1 top center can the broaching tool internal thread 14 corresponding with described pull bar bottom external screw thread 21, the blade of broaching tool comprises a plurality of rough cutter swords 11, a plurality of finishing tool sword 12 and a plurality of smart blade 13 that parallel distribution and diameter increase gradually from top to bottom, and the cutting output of at every turn broaching is evenly distributed on each blade of broaching tool.
See Fig. 3 again, Fig. 3 is the pull bar cylinder structure schematic diagram of hydraulic broacher of the present invention.As seen from Figure 3, the top of pull bar 2 has and nut 8 corresponding pull bar top external screw threads 22, and the bottom of pull bar 2 has and broaching tool internal thread 14 corresponding pull bar bottom external screw threads 21.
Fig. 4 is the drawing oil cylinder structure schematic diagram in the hydraulic broacher of the present invention.As seen from the figure, piston 41 bottom platform portion external diameters in the stretching oil cylinder 4 are identical with the casing wall internal diameter of stretching oil cylinder, the stretch internal diameter of oil cylinder of the above piston region external diameter of platform portion is little, the top of stretching oil cylinder 4 is passed on the less piston top of internal diameter, pull bar 2 can pass the centre bore 411 of stretching oil cylinder 4 inner carriers 41, and the top of stretching oil cylinder 4 outer walls and bottom are provided with and first oil nozzle 42 and second oil nozzle 43 of the oil cylinder intracavity inter-connection that stretches.The scope of activities of piston 4 bottom platform portions is between first oil nozzle 42 and second oil nozzle 43.
Fig. 5 is the intermediate sleeve structural representation of hydraulic broacher of the present invention.Intermediate sleeve 3 is and the hollow tube-shape body of supporting workpiece 7 and stretching oil cylinder 4, and the barrel upper and lower respectively has the big and little tubaeform cutting fluid hand-hole 31 of internal diameter of an external diameter.
Embodiment:
The broaching construction that with the diameter is the 30-80mm aperture below is that example illustrates the specific embodiment of the present invention, stretching oil cylinder 1 is provided with two kinds of specifications, the internal diameter diameter of oil cylinder is respectively 40mm and 60mm, be respectively applied for the construction in 30-50mm and 51-80mm aperture, the work area of oil cylinder is complementary with electric oil pump 5 and designs, make aperture stable working in the broaching process, and then guarantee the crudy of endoporus.Intermediate sleeve 3 is the hollow tube-shape bodies that are supported between workpiece 7, the stretching oil cylinder 4, is to guarantee the perpendicularity in broaching hole and the strength member of aperture size.Also design has two kinds of specifications to intermediate sleeve 3 corresponding to the stretching oil cylinder, is applicable to the assembling in different apertures respectively.Broaching tool 1 is to install and use custom-designed for being fit to the scene, the diameter top of broaching tool 1 is 59.50mm, the bottom is 59.80mm, blade on the broaching tool 1 resolves into five rough cutter swords 11, five finishing tool swords 12 and two smart blades 13, the cutting output of 0.30mm is evenly distributed on 12 blades, finishes roughing to accurately machined overall process by the operation of once broaching.
The job step of hydraulic broacher of the present invention is as follows:
1. earlier go out a pore in workpiece 7 position of waiting to broach with the drill bit drilling, the little 3mm of diameter that makes bolt hole is waited to twist in the aperture of pore;
2. select with the hole respective diameters of waiting to broach one group ten broaching tool, every cutting output broaching tool has 0.3mm, the external diameter at the top of first broaching tool is identical with the internal diameter of the pore of waiting to broach, the external diameter at second broaching tool top is identical with the external diameter of first broaching tool bottom, all the other and the like, the diameter of waiting to twist the system bolt hole that the base diameter of last broaching tool is finished for broaching;
3. intermediate sleeve 3 is placed on the pore of workpiece 7, make pore be positioned at the shaft core position of intermediate sleeve;
4. above intermediate sleeve 3, place stretching oil cylinder 4, make the axle center of stretching oil cylinder 4 and the axle center of intermediate sleeve 3 be positioned at same straight line;
5. after pull bar 2 being passed the piston center hole 411 of piston 41 from stretching oil cylinder 4 tops, pass intermediate sleeve 3 again, pass through the pore of workpiece 7 at last, pull bar 2 exposes piston 41 outer pull bar tip male thread 22 and tightens with nut 8, the external diameter of nut 8 is greater than the internal diameter of piston center hole 411, can block and described pull bar is slipped in the piston center hole 411 of stretching oil cylinder 4, and can be at nut 8 and the bigger packing ring of piston tip pad one external diameter, the pore of workpiece 7 is passed in the bottom of pull bar 2, twist in the broaching tool internal thread 14 at center, broaching tool 2 top broaching tool 2 is fixing by pull bar bottom external screw thread 21, the nut 8 on adjusting yoke 2 tops makes the blade on broaching tool 1 top be closely attached on fastening nut 8 behind the pore of workpiece 7, this moment, the platform portion of piston 41 bottoms was positioned at the bottom of stretching oil cylinder 4, and guaranteed intermediate sleeve and workpiece pore, pull bar, piston keeps same axle center.
6. the snap joint by first flexible pipe 61 of first oilhole 51 of electric oil pump 5 is connected on first oil nozzle 42 of stretching oil cylinder 4, second oilhole 52 is connected on second oil nozzle 43 of stretching oil cylinder 4 by the snap joint of second flexible pipe 62, start electric oil pump, make the oil of oil pump enter stretching oil cylinder 4 by second oil nozzle 43, piston 41 in the jack-up oil cylinder slowly moves up, drive pull bar 2 upwards spurs broaching tool 1 and goes out pore, in the whole broaching process, in the cutting oil hand-hole 31 of intermediate sleeve 3, inject the cutting oil of lubricated and cooling effect;
7. finish broaching for the first time after broaching tool 1 being pulled out the pore of workpiece 7, broaching tool 1 is backed out, electric oil pump 5 is from first oil nozzle, 42 oil-feeds of stretching oil cylinder 4, inhale the oil of deactivation plug bottom from second oil nozzle 43, making piston 41 drive pull bar 2 slowly moves downwards, treat pore that pull bar 2 appears workpiece 7 once more to the lower end of workpiece 7, change the top diameter broaching tool identical and carry out second time and operates, carry out similar operations later on again and meet the requirements until twisting drilling with first broaching tool base diameter.
Undoubtedly, hydraulic broacher of the present invention can also have other values and connected mode, is not limited to value and connected mode in the above-mentioned embodiment.In a word, protection scope of the present invention should comprise that those those of ordinary skills are conspicuous conversion or substitute.

Claims (5)

1. hydraulic broacher, comprise broaching tool (1) and pull bar (2), it is characterized in that also comprising stretching oil cylinder (4) and electric oil pump (5), described broaching tool (1) is tightened against on the pull bar bottom external screw thread (21) of pull bar (2) bottom by the broaching tool internal thread (14) at top, pull bar (2) is upward through the piston center hole (411) of stretching oil cylinder (4) piston (41), the top of described piston (41) is equipped with the nut (8) of an external diameter greater than described piston center hole (411) internal diameter, described nut (8) is fixing by pull bar tip male thread (22) and pull bar (2), be with the cylindricality intermediate sleeve (3) that can supply the hollow that pull bar (2) passes between stretching oil cylinder (4) and the workpiece (7), the top of stretching oil cylinder (4) outer wall is provided with the first turnover oil nozzle (42), the bottom is provided with the second turnover oil nozzle (43), and described first oil nozzle (42) and second oil nozzle (43) are communicated with first oilhole (51) and second oilhole (52) of electric oil pump (5) by first flexible pipe (61) and second flexible pipe (62).
2. hydraulic broacher according to claim 1 is characterized in that the blade of described broaching tool (1) comprises a plurality of rough cutter swords (11), a plurality of finishing tool sword (12) and a plurality of smart blade (13) that parallel distribution and diameter increase gradually from top to bottom.
3. hydraulic broacher according to claim 1, the barrel upper and lower that it is characterized in that described intermediate sleeve (3) respectively have the big and little tubaeform cutting fluid hand-hole (31) of internal diameter of an external diameter.
4. according to the described hydraulic broacher of claim 1-3, it is characterized in that described first flexible pipe (61) and second flexible pipe (62) are hydraulic hose, described hydraulic hose adopts snap joint to be connected with stretching oil cylinder (4) and electric oil pump (5).
5. hydraulic broacher according to claim 1 is characterized in that described electric oil pump (5) is portable single-stage electric oil pump.
CN 200610116824 2006-09-30 2006-09-30 Hydraulic broacher Pending CN1931488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610116824 CN1931488A (en) 2006-09-30 2006-09-30 Hydraulic broacher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610116824 CN1931488A (en) 2006-09-30 2006-09-30 Hydraulic broacher

Publications (1)

Publication Number Publication Date
CN1931488A true CN1931488A (en) 2007-03-21

Family

ID=37877588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610116824 Pending CN1931488A (en) 2006-09-30 2006-09-30 Hydraulic broacher

Country Status (1)

Country Link
CN (1) CN1931488A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102581372A (en) * 2012-03-15 2012-07-18 成都芬尼克兹机电设备有限公司 Hole machining push-type broach group and hole structure machining method
CN102941377A (en) * 2012-12-05 2013-02-27 沪东重机有限公司 Reaming fixture and method of marine low speed diesel engine
CN103072022A (en) * 2013-01-17 2013-05-01 万向钱潮传动轴有限公司 Earhole broaching clamp of fork parts
CN107654790A (en) * 2017-06-28 2018-02-02 沪东中华造船(集团)有限公司 A kind of metal pipe-wall depression repairs frock and its application method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102581372A (en) * 2012-03-15 2012-07-18 成都芬尼克兹机电设备有限公司 Hole machining push-type broach group and hole structure machining method
CN102941377A (en) * 2012-12-05 2013-02-27 沪东重机有限公司 Reaming fixture and method of marine low speed diesel engine
CN103072022A (en) * 2013-01-17 2013-05-01 万向钱潮传动轴有限公司 Earhole broaching clamp of fork parts
CN103072022B (en) * 2013-01-17 2015-06-17 万向钱潮传动轴有限公司 Earhole broaching clamp of fork parts
CN107654790A (en) * 2017-06-28 2018-02-02 沪东中华造船(集团)有限公司 A kind of metal pipe-wall depression repairs frock and its application method

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Open date: 20070321