CN2892317Y - In-pipeline expanding tool - Google Patents
In-pipeline expanding tool Download PDFInfo
- Publication number
- CN2892317Y CN2892317Y CN 200620033784 CN200620033784U CN2892317Y CN 2892317 Y CN2892317 Y CN 2892317Y CN 200620033784 CN200620033784 CN 200620033784 CN 200620033784 U CN200620033784 U CN 200620033784U CN 2892317 Y CN2892317 Y CN 2892317Y
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- CN
- China
- Prior art keywords
- instrument
- mandrel
- thrust
- bloated
- pipeline
- 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.)
- Expired - Fee Related
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Abstract
The present invention relates to equipment used for the inner-expansion and installation of steel plastic pipes. The utility model provides a special inner-expansion tool driven by general hydraulic pressure or a mechanical jerk. The utility model, consisting essentially of connecting device, is fixed on core shaft and the flexible connected thrust-extrusion device. The connecting part comprises core shafts, locking nuts, and fixing claws which are dead-connected with core shafts, tie rods and a steel base. The amount tie rods whose tops and bottoms respectively dead-connects with fixing claw and the base is not less than two. The flexible connected thrust-extrusion part comprises a front baffle, rubber rings, hard rubber loops, a rear baffle, thrusting claw, the offsetting spring and jerk of the thrusting claw. The character of the utility model is small, light, lower-cost and convenient to maintain, easy to apply and carry.
Description
Technical field
The utility model relates to a kind of steel and moulds and expand in the pipeline and pipe fitting is installed used instrument.
Background technology
At present steel is moulded swaging tool that pipeline that pipe construction uses connects the internal-expansion type pipe fitting and is mainly mandrel hydraulic pressure and twitches formula, its operation principle such as Fig. 1.
Hydraulic oil from Hydraulic Station enters working chamber A, promote of the axially-movable of piston do to working chamber B, baffle plate compressing rubber ring, cause rubber ring to be radially expanded, the rubber ring that expands promotes to be close to the pipeline on it around it, until the pipeline outer wall plastic deformation and with the fastening of pipe fitting groove, finish the bloated mouthful work of pipeline.
The weak point of this hydraulic tool is: because high-pressure and hydraulic oil must dispose Hydraulic Station in addition and connect with high-pressure oil pipe, cause the system architecture complexity; Because hydraulic system belongs to special configuration, causes the kit cost higher; In order to make the rubber ring compression, hydraulic oil must enter from working chamber A, because piston rod has occupied the effectively axially working surface of part hydraulic oil, obtain bigger pressure, certainly will increase the diameter of hydraulic cylinder, further cause the increase of system weight and volume thus.As the widely used a kind of pipelayer's tool in job site, above weak point is brought inconvenience for the user of this instrument, brings problems such as instrument cost increase for unit in charge of construction.
The utility model content
The purpose of this utility model is, the instrument that expands in a kind of pipeline special use is provided, and the presentation mode of power source is general conventional hydraulic type or mechanical type jack.
The technical scheme that the utility model solve the technical problem employing is, the instrument that expands in a kind of pipeline special use is provided, comprise the fixedly connected part of mandrel and flexibly connect thrust extruding two parts, wherein, the fixedly connected part of mandrel comprises mandrel, the locking nut that install the mandrel upper end, the fixed claw that center screw is arranged of fixedlying connected with the mandrel lower thread is fixed with nut and is connected into fixing whole pull bar and steel base with jack base by fixed claw crossbeam stomidium; Flexibly connect the thrust crimping section and then comprise vertically from top to bottom the end baffle of movable set on mandrel successively, the rubber ring piece reaches ebonite gasket ring sheet up and down, the afterbody baffle plate, the thrust pawl push rod and the chassis that contact with afterbody baffle plate bottom, thrust pawl chassis central upper portion suit and with the contacted pressure back-moving spring of fixed claw centre bottom with apply the power set of axial thrust extruding to thrust pawl tray bottom.
Further, the thrust transmission device that the instrument that expands in the described pipeline special use uses is a thrust pawl, described thrust pawl is made of steel chassis and two steel push rods that are installed on the chassis at least, and thrust pawl chassis is connected with mandrel fixed claw bottom by resetting means.
Further, the resetting means that bloated instrument uses in the described pipeline special use is spring.
Further, the power set that the instrument that expands in the described pipeline special use uses are conventional hydraulic type or mechanical type jack, and jack is fixedly mounted on the base, and the top of jack is connected with thrust pawl chassis.
Further, the mandrel of bloated instrument screws in fixed claw by lower thread and joins in the described pipeline special use, fixed claw is connected with nut with pull bar is fixing by the screwed hole of crossbeam end, and described pull bar is made of the steel column that is fixedly mounted on two band edge mouth screw threads on the base at least.
Main feature of the present utility model is the mandrel of former swaging tool to be twitched compress mode change the mode that promotes compression with the afterbody baffle plate into, thereby can use as the conventional jack of the thrust instrument promotion pressure source as this instrument.Owing to saved the dedicated hydraulic system, not only alleviated the weight of kit greatly, the difficulty of maintenance work and instrument cost are descended significantly.Because use conventional jack, volume is little, and is in light weight, and its operation and maintenance is very simple, therefore is easy to carry about with one at the construction field (site) and is easy to construction application.
Below in conjunction with the specific embodiment and accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is that the mandrel hydraulic pressure that existing market is used is twitched formula swaging tool structural representation.
Fig. 2 is the interior tool construction schematic diagram that expands of jack type that the utility model provides.
Fig. 3 is the interior tool work principle schematic that expands of jack type that the utility model provides.
The specific embodiment
Instrument expands in the pipeline shown in Figure 2, comprise mandrel 7 and the end baffle 5 that is sleeved on the mandrel 7, and be sleeved on rubber ring 3 on the mandrel 7, mandrel 7 is fixedly connected on base 13, on mandrel 7 axis bodies, go back afterbody baffle plate 6 of suit below the rubber ring 3, afterbody baffle plate 6 belows also connect a matching used thrust transmission device 11.
The thrust transmission device 11 of bloated instrument is a thrust pawl 11 in the pipeline, thrust pawl 11 is made of steel circular base plate and two (also can be four or three) steel push rods that are installed on the chassis at least, and what we adopted in this embodiment is the thrust pawl 11 that constitutes with two steel push rods; Thrust pawl 11 is connected with the fixed claw 8 crossbeam centre bottom of fixed central spindle by resetting means 9.
The mandrel 7 of bloated instrument is fixedlyed connected with base 13 with pull bar 12 by fixed claw 8 in the pipeline, pull bar 12 fixedly mounts at least two the steel connecting rod that is connected on fixed claw 8 beam-end and the jack base 13 respectively by two ends and constitutes, fixed claw 8 is fixedly installed togather with pull bar 12 and base 13, and what we adopted in this embodiment is the pull bar 12 that two steel connecting rods constitute.
The power set 10 of bloated instrument are conventional hydraulic type or the mechanical type jack 10 of an employing with way of propelling work in the pipeline.
According to shown in Figure 2 jack 10 is fixedly mounted on the base 13, thrust pawl 11 is placed on the jack 10, thrust pawl 11 center chassis are placed resetting means 9, resetting means 9 is a brute spring 9, end in contact mandrel 7 on the spring 9, thrust pawl 11 steel pusher section tops contact afterbody baffle plate 6, afterbody baffle plate 6 is a steel disc, rubber ring 3 diameters equate with afterbody baffle plate 6 annular groove interior diameters, end baffle 5 is a steel disc, diameter and rubber ring 3 equal diameters, afterbody baffle plate 6, rubber ring 3 and end baffle 5 are sleeved on the mandrel 7 from top to bottom successively, fix in the screw-in mode by locking nut 2, the position of expanding in the formation activity extruding, bloated periphery, position in pipeline 1 closely is sleeved on, and the lower end card of pipeline 1 is placed in the groove of afterbody baffle plate 6, pipeline 1 outer cover tubulature part 4, pipe fitting 4 grooves and the relative level in rubber ring 3 positions.The diagonal angle trepanning of the tool base 13 that expands in two steel pipe bottoms of pull bar 12 are separately fixed at nut, the steel pipe top of pull bar 12 is passed the crossbeam end diagonal angle trepanning of fixed claw 8 and is fixed with nut equally, and mandrel 7 bottoms are installed on fixed claw 8 center screws with screw fixation method.
It below is the concrete working method of the instrument that expands in the pipeline.
At first close the return valve of jack 10;
Shake jack handle, cut somebody's hair and protrude upward, cutting somebody's hair of jack 10 contacts with thrust pawl 11 chassis, as shown in Figure 3, thrust by jack, thrust pawl 11 promotes afterbody baffle plate 6 and the together upwards axially-movable of fixing on it of pipeline 1, and make rubber ring 3 axial compression and be radially expanded, the tube wall of rubber ring 3 extrusion pipes 1 that expand, it is outwards bulged, the locking groove of filled tube 4, until pipeline 1 outer wall distortion and with pipe fitting 4 groove fastenings, thereby realize the locking that is connected of pipeline and pipe fitting;
Unclamp the return valve of jack 10 at last, thrust pawl 11 reclaims and resets under the elastic force effect of spring 9, and rubber ring 3 releases recover original shape, can take off the pipeline 1 and pipe fitting 4 that has become one from interior bloated instrument.
Claims (7)
1, bloated instrument in the pipeline, comprise mandrel (7) and be sleeved on end baffle (5) on the mandrel (7), and be sleeved on rubber ring (3) on the mandrel (7), it is characterized in that, described mandrel (7) is fixedly connected on base (13), on mandrel (7) axis body, rubber ring (3) below goes back an afterbody baffle plate of suit (6), afterbody baffle plate (6) below also connects matching used thrust transmission device (11).
2, bloated instrument in the pipeline according to claim 1 is characterized in that described thrust transmission device (11) is thrust pawl (11), is connected with fixed claw (8) bottom by resetting means (9).
3, bloated instrument in the pipeline according to claim 2 is characterized in that described resetting means (9) is spring (9).
4, bloated instrument in the pipeline according to claim 2 is characterized in that, described thrust pawl (11) is made of chassis and two steel push rods that are installed on the chassis at least.
5, bloated instrument in the pipeline according to claim 1, it is characterized in that, also comprise thrust power set (10), described thrust power set (10) are jack (10), jack (10) is fixedly mounted on the base (13), and jack (10) top is connected with thrust pawl (11) chassis.
6, bloated instrument in the pipeline according to claim 1 is characterized in that described mandrel (7) is fixedlyed connected with base (13) with pull bar (12) by fixed claw (8).
7, bloated instrument in the pipeline according to claim 6 is characterized in that, described pull bar (12) is made of two steel connecting rods that are fixedly mounted on the base (13) at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033784 CN2892317Y (en) | 2006-04-11 | 2006-04-11 | In-pipeline expanding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620033784 CN2892317Y (en) | 2006-04-11 | 2006-04-11 | In-pipeline expanding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2892317Y true CN2892317Y (en) | 2007-04-25 |
Family
ID=38060483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620033784 Expired - Fee Related CN2892317Y (en) | 2006-04-11 | 2006-04-11 | In-pipeline expanding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2892317Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934585A (en) * | 2010-08-31 | 2011-01-05 | 新兴铸管股份有限公司 | Port expanding device for steel-plastic composite pressure pipe |
| CN104057408A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Clamping jaw convenient to replace |
| CN104385187A (en) * | 2014-11-16 | 2015-03-04 | 重庆瑞普电缆有限公司 | Pneumatic rubber expansion core shaft |
| CN106955940A (en) * | 2017-05-24 | 2017-07-18 | 宁波嘉天汽车管件有限公司 | Automobile pipe fitting port former and its port forming method |
| CN107186098A (en) * | 2017-06-01 | 2017-09-22 | 天津友发钢管集团股份有限公司 | A kind of plastics lined pipe pipe end expanding machine |
| CN109382450A (en) * | 2018-11-12 | 2019-02-26 | 袁海环 | Pipe joint molding machine |
| CN113134540A (en) * | 2021-04-19 | 2021-07-20 | 重庆巨源不锈钢制品有限公司 | Annular pressing product production equipment based on internal high-pressure forming |
-
2006
- 2006-04-11 CN CN 200620033784 patent/CN2892317Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934585A (en) * | 2010-08-31 | 2011-01-05 | 新兴铸管股份有限公司 | Port expanding device for steel-plastic composite pressure pipe |
| CN104057408A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Clamping jaw convenient to replace |
| CN104057408B (en) * | 2014-06-13 | 2016-02-17 | 苏州华徕光电仪器有限公司 | The clamping pawl be convenient for changing |
| CN104385187A (en) * | 2014-11-16 | 2015-03-04 | 重庆瑞普电缆有限公司 | Pneumatic rubber expansion core shaft |
| CN104385187B (en) * | 2014-11-16 | 2018-10-19 | 重庆瑞普电缆有限公司 | Pneumatic rubber expanding arbor |
| CN106955940A (en) * | 2017-05-24 | 2017-07-18 | 宁波嘉天汽车管件有限公司 | Automobile pipe fitting port former and its port forming method |
| CN107186098A (en) * | 2017-06-01 | 2017-09-22 | 天津友发钢管集团股份有限公司 | A kind of plastics lined pipe pipe end expanding machine |
| CN109382450A (en) * | 2018-11-12 | 2019-02-26 | 袁海环 | Pipe joint molding machine |
| CN113134540A (en) * | 2021-04-19 | 2021-07-20 | 重庆巨源不锈钢制品有限公司 | Annular pressing product production equipment based on internal high-pressure forming |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20140411 |