CN102000732A - Under-pressure punching device - Google Patents

Under-pressure punching device Download PDF

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Publication number
CN102000732A
CN102000732A CN2010102664155A CN201010266415A CN102000732A CN 102000732 A CN102000732 A CN 102000732A CN 2010102664155 A CN2010102664155 A CN 2010102664155A CN 201010266415 A CN201010266415 A CN 201010266415A CN 102000732 A CN102000732 A CN 102000732A
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CN
China
Prior art keywords
cutting
guiding tube
press
open holes
bite
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.)
Granted
Application number
CN2010102664155A
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Chinese (zh)
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CN102000732B (en
Inventor
申承雨
白世权
李钟和
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.)
Beijing Songtiancheng Technology Co ltd
Original Assignee
BEI JING POLYTEC Ltd
POLYTEC CO Ltd
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Publication of CN102000732A publication Critical patent/CN102000732A/en
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Publication of CN102000732B publication Critical patent/CN102000732B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/16Perforating by tool or tools of the drill type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/04Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F2210/00Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

The invention discloses an under-pressure punching device capable of punching and plugging when a pipeline for conveying the fuel gas continuously conveys the fuel gas. The under-pressure punching device comprises a clamping plate valve mounted on a saddle shaped by-pass operation port and a punching tool mounted on the upper part of the clamping plate valve. The punching tool comprises: a punching sleeve with a hollow inner part and an open cylinderical lower part and mounted on the upper part of the clamping plate valve and provided with a second combination flange arranged on the cirumferential surface; a cutting portion with a cutting hydraulic cylinder arranged on the upper part of the perforated sleeve and capable of applying the pressure to cut the pipeline and provided with a hydraulic rod extending towards the inside of the perforated sleeve and a cutting knife vertically slideably arranged on the inner side of the perforated sleeve and connected with the hydraulic rod; and a cutting slice leading-out portion for leading out the cutting slice cut by the cutting knife and provided with a leading-out rod arranged in the cutting knife.

Description

The press and open holes machine
Technical field
To the present invention relates to a kind of press and open holes machine, a kind ofly to be installed in order shunting welding on the saddle type bypass of the pipeline of delivery of fuel gas, pipeline is exerted pressure and cut after the perforate, can outwards take out the press and open holes machine of cutting blade.
Background technology
At present,, use the rapid increase of pipe gas, need to spread a lot of piping facilities for this reason and supply combustion gas because of Home Heating and culinary art.In addition, a lot of materials that need in the real life all utilize the piping facilities such as pipeline of water facilities or petrochemistry pipeline, transmission heat to carry.
For aforementioned gas is supplied to the consumer from organization of supply, at first bury underground Zi supplying the pipeline of mechanism to residence area or industry spot zone.And, for pipe gas being supplied each building and indivedual dwelling house, (Service Tee) is fused on the pipeline saddle type bypass, connects isocon on the bypass of saddle type bypass of pipeline pipe gas is guided to each building and indivedual premises and be fused to.
Fig. 1 is the figure that is used to illustrate the connection status of existing pipeline and saddle type bypass.Fig. 2 is the pipe plug (plug) and the connector (adapter) of the gathering hole of expression shutoff saddle type bypass shown in Figure 1.
As shown in the figure, pipeline 10 connects after the saddle type bypass 20, shunts to saddle type bypass 20 in order to make the pipe gas that is flowing in pipeline 10, and at first the blowing mouth with saddle type bypass 20 is fused to pipeline 10.Welding saddle type bypass 20 on pipeline 10 is attached to the gathering hole 24 of saddle type bypass 20 with sandwich valve (gate valve) 30, isocon 40 is fused under with the state of sandwich valve 30 shutoff the delivery outlet 26 of saddle type bypass 20.And, tapping machine 50 is installed on after the top of sandwich valve 30, open sandwich valve 30, rotary setting is carried out perforate in 52 pairs of pipelines of bite 10 of tapping machine 50.After the perforate of pipeline 10 finishes, separate tapping machine 50 and clip occluder plate valve 30, utilize the inboard of the gathering hole 24 of pipe plug 60 (with reference to Fig. 2) shutoff saddle type bypass 20 afterwards.And, loam cake (cap, not shown) is connected in the gathering hole 24 that pipe plug 60 is installed, thereby finishes the shunting operation.As shown in the figure, gathering hole 24 carries out screw thread with pipe plug 60 and combines.
In addition, for pipe plug 60 being incorporated into aforesaid gathering hole 24, replace bite 52 to be installed on the tapping machine 50 with connector 54 (with reference to Fig. 2).Then, connector 54 insertions are incorporated under the state of pipe plug 60, tapping machine 50 is re-installed in sandwich valve 30, under the state of opening sandwich valve 30, start tapping machine 50 pipe plug 60 is incorporated into gathering hole 24.Thus, when pipe plug 60 is incorporated into gathering hole 24, tapping machine 50 and sandwich valve 30 are separated from saddle type bypass 20.
Summary of the invention
But, foregoing existing tapping machine is the cutting pipeline by the milling cutter rotation with saw type shape, therefore produce fragment (chip) powder via cutting, thereby the fragment powder directly remains on saddle type bypass or the pipeline, and is cut by milling cutter and the fragment that forms also can residue in pipeline and hinder pipe gas to flow.
And, pipe plug is incorporated into the situation that pipe plug breaks away from from connector often takes place in the process of saddle type bypass, if pipe plug is being incorporated in the process of saddle type bypass, pipe plug breaks away from from connector, then can not keep the air-tightness of saddle type bypass, have the danger that combustion gas is revealed, also need to implement again to shunt operation.
The present invention proposes in order to address the above problem, to the object of the present invention is to provide and a kind ofly to be installed in order shunting welding on the saddle type bypass on the pipeline of delivery of fuel gas, pipeline is exerted pressure and cut after the perforate, can outwards take out the press and open holes machine of cutting blade.
To achieve these goals, press and open holes machine of the present invention, it possesses drilling tool, this drilling tool is installed on the top of sandwich valve, described sandwich valve is connected the operation oral-lateral that is fused to the saddle type bypass of described pipeline for the combustion gas in the shunt conduit, wherein said drilling tool comprises: perferated thimble, have the open cylinder type in inner hollow and bottom, outer peripheral face be provided with second in conjunction with flange to be installed on the top of described sandwich valve; Cutting portion, has the top that is arranged in described perferated thimble for the described pipeline of cutting of can exerting pressure, and hydraulic stem is towards the inner cutting fluid cylinder pressure that extends of described perferated thimble and be arranged to slide up and down in the inboard of described perferated thimble, and the bite that is connected with described hydraulic stem; And the cutting blade lead division, possess the leading-off rods that is arranged in described bite inside, be convenient to take out the cutting blade of described bite cutting.
At first, described sandwich valve comprises: first guiding tube is installed on described gathering hole; Second guiding tube is arranged in the top of described first guiding tube, be provided with on the outer peripheral face combine with described second the combination of flange screw thread first in conjunction with flange; And valve body, bottom and the described lower case that possess the lower case that is arranged at the described first guiding tube top, is arranged at described second guiding tube carry out the upper body that screw thread combines and be arranged in described lower case rotationally and described upper body between open or the gate of shutoff first guiding tube and second guiding tube.
As mentioned above, according to press and open holes machine of the present invention, drum is inner to form bite, and utilizes the cutting fluid cylinder pressure to move bite with the cutting pipeline, can not produce the fragment powder when therefore cutting pipeline.
And the inside of bite forms the cutting blade lead division that can articulate cutting blade, has the effect of taking out cutting blade from pipeline easily.
Secondly, press and open holes machine according to the present invention is in shutoff and sandwich on the operating head of action bars (rod) of pipe plug and be equipped with first magnet and second magnet, can prevent that pipe plug breaks away from from operating head in that pipe plug is incorporated into gathering hole during mobile dwang thus.
In addition, the conveying that press and open holes machine according to the present invention need not to stop combustion gas just can be exerted pressure and cuts perforate pipeline, thereby can not influence the normal conveying of combustion gas, and reduces the cost of shunting operation.
Description of drawings
Fig. 1 is the figure of the connection status of existing pipeline of explanation and saddle type bypass;
Fig. 2 is the pipe plug of gathering hole of expression sealing saddle type bypass shown in Figure 1 and the figure of connector;
Fig. 3 is the stereogram of expression according to the installment state of press and open holes machine of the present invention;
Fig. 4 decomposes the sandwich valve shown in Figure 3 and the exploded perspective view of drilling tool are shown;
Fig. 5 is the cutaway view of Fig. 3;
Fig. 6 is the exploded perspective view of capping tools of the gathering hole of expression shutoff saddle type bypass shown in Figure 4;
Fig. 7 is the cutaway view of the inside of capping tools shown in Figure 6;
Symbol description: 100 is the press and open holes machine, and 110 is sandwich valve, and 150 is drilling tool, and 210 is capping tools.
The specific embodiment
Below, with reference to description of drawings according to the invention process press and open holes the press and open holes machine.
Fig. 3 is the stereogram of expression according to the installment state of press and open holes machine of the present invention, and Fig. 4 decomposes the sandwich valve shown in Figure 3 and the exploded perspective view of drilling tool are shown, and Fig. 5 is the cutaway view along Fig. 3.
Press and open holes machine 100 according to the present invention is installed on for the combustion gas (gas) of flowing in the shunt conduit 10 and is fused to saddle type bypass 20 on the pipeline 10.That is, press and open holes machine 100 according to the present invention is installed on gathering hole 24 sides of saddle type bypass 20.In addition, input port 22 (with reference to Fig. 3) side of well known saddle type bypass 20 is fused on the outer surface of pipeline 10, delivery outlet 26 sides of saddle type bypass 20 and isocon 40 weldings that prolong from each building or indivedual dwelling house.
With reference to Fig. 3 and Fig. 5, press and open holes machine 100 according to the present invention by the sandwich valve 110 that is installed on saddle type bypass 20 gathering holes 24, be installed on the top of sandwich valve 110 and be inserted into sandwich valve 110 and saddle type bypass 20 inside exert pressure the cutting pipeline 10 drilling tool 150 form.
At first, sandwich valve 100 possess the first vertical guiding tube 112 and on the top of first guiding tube 112 the second vertical guiding tube 120 arranged apart, be arranged in the valve body 124 between first guiding tube 112 and second guiding tube 120.
First guiding tube 112 is installed on the gathering hole 24 of saddle type bypass 20.For this reason, the inner peripheral surface of first guiding tube 112 forms first internal thread 116.And the outer peripheral face of gathering hole 24 is formed for assembling first external screw thread 118 of first internal thread 116.
In addition, valve body 124 possesses the lower case 126 that is arranged in first guiding tube, 112 tops, is arranged in second guiding tube, 120 bottoms, and the upper body 132 that combines with lower case 126 screw threads and be arranged in lower case 126 rotationally and upper body 132 between, and can open or the gate 136 of shutoff first guiding tube 112 and second guiding tube 120.
One side of lower case 126 forms and first guiding tube, 112 inboard first bullports 128 that are communicated with.And identical therewith, it is relative with first bullport 128 that a side of upper body 132 also forms, and second bullports 134 that are communicated with second guiding tube, 120 inboards.As shown in the figure, the center of first guiding tube 112, first bullport 128, second bullport 134 and second guiding tube 120 is on the same line.In addition, on the upper side of lower case 126, form rotation space portion 130, so that gate 136 can rotate to the downside depression.
Gate 136 has the level board shape.One end of gate 136 is fixing by vertical rotational pin 138, so that gate 136 can rotate in rotation space portion 130, and the top of rotational pin 138 connects upper body 132 and is exposed to the outside of upper body 132.And, be equipped with on the upper body 132 and can extract the common air bleeding valve 140 that residues in the combustion gas in lower case 126 and the upper body 132 out.
At first, rotational pin 138 has the shape of hexagon post in order to use common wrench to rotate.Between lower case 126 and the upper body 132, and between first bullport 128 and the gate 136 and to sandwich common O type ring (O-ring) for air-tightness between second bullport 134 and the gate 136 be well known.
Secondly, at second guiding tube 120 drilling tool 150 described later is installed.For this reason, first of ring-type is installed on the outer peripheral face adjacent with the top of second guiding tube 120 and combines flange (flange) 122.
Drilling tool 150 possesses perferated thimble 152, be arranged in perferated thimble 152 and the cutting portion 156 of the cutting pipeline 10 of exerting pressure, along cutting portion 156 guiding and draw the cutting blade lead division 166 of cutting blade.
Perferated thimble 152 has inner hollow, and the open drum in bottom.Perferated thimble 152 is installed on sandwich valve 110.For this reason, adjacent with perferated thimble 152 bottoms outer peripheral face installation second combines flange 154.Second in conjunction with flange 154 with first in conjunction with flange 122 screw thread combinations.So on the perferated thimble 152 that forms cutting portion 156 is set
Cutting portion 156 possess be arranged vertically in the cutting fluid cylinder pressure 158 on perferated thimble 152 tops be arranged to slide up and down in the inboard of perferated thimble 152 in the bite 162 that is connected of the hydraulic stem 160 of the cutting fluid cylinder pressure 158 that extends with the upper side that connects perferated thimble 152.Bite 162 has inner hollow, and the bottom open drum.The upper side fixed installation of this bite 162 connects the hydraulic stem 160 of this upper side.And, form on the outer peripheral face of the close bottom of bite 162 by diffusion type, narrow down and the cutting edge 164 that extends downwards.
In addition, cutting blade lead division 166 grip block 176 (holding block) that possesses leading-off rods 168 and be arranged at the bottom of leading-off rods 168.
Carrying out screw thread with the extension end of the hydraulic stem 160 that connects bite 162 upper side when leading-off rods 168 is arranged in the inside of bite 162 combines.For this reason, the outer peripheral face on close leading-off rods 168 tops forms second external screw thread 170, and the inner peripheral surface of the extension end of hydraulic stem 160 provides the combined hole 172 that forms second internal thread 174, is used to insert leading-off rods 168.In addition, grip block 176 has diffusion type for cutting blade is tangled easily, and the narrower cone shape of downside.So the grip block 176 that forms and the extension end of leading-off rods 168 are connected by vertical helical spring 178.Helical spring 178 thus arranged makes the grip block 176 can the resiliency supported cutting blade.
In addition, press and open holes machine 100 according to the present invention also possesses the capping tools 210 to the gathering hole 24 of shutoff saddle type bypass 20 after pipeline 10 perforates.
Fig. 6 is the exploded perspective view of capping tools of the gathering hole of expression shutoff saddle type bypass shown in Figure 4, and Fig. 7 is the cutaway view of expression capping tools inside shown in Figure 6.
With reference to Fig. 6 and Fig. 7, capping tools 210 possesses shutoff sleeve 212, is installed on the action bars 216 of shutoff sleeve 212, according to the operation of action bars 216 and the shutoff 222 of shutoff gathering hole 24.
As shown in the figure, shutoff sleeve 212 has the open drum of inner hollow and bottom.Shutoff sleeve 212 is to be installed on sandwich valve 110 after unloading drilling tool 150, installs the 3rd on the outer peripheral face of the close bottom of shutoff sleeve 212 in conjunction with flange 214 for this reason.The 3rd combines flange 122 in conjunction with flange 214 with first carries out the screw thread combination.
Action bars 216 extends perpendicularly to the inboard of shutoff sleeve 212 when the top of shutoff sleeve 212 connects the upper side of shutoff sleeve 212 rotationally.The top that is exposed to the action bars 216 on shutoff sleeve 212 tops is equipped with operating grip 218.And the operating head 220 that is inserted in shutoff 222 is formed at the bottom that is arranged in the action bars 216 of shutoff sleeve 212 inboards, and both form one.
In addition, shutoff 222 is the disc-shape with predetermined thickness.This, form the 3rd external screw thread 224 on the outer peripheral face of shutoff 222, and form the 3rd internal thread 226 that can combine on the inner peripheral surface of the gathering hole 24 of insertion shutoff 222 with the 3rd external screw thread 224.And the upper side of shutoff 222 is recessed to form the operating groove 228 that can insert operating head 220.Preferably, the inner peripheral surface of operating groove 228 forms to the operating groove 228 key projection 230 outstanding towards the center, and forms the keyway 232 that inserts key projection 230 on the operating head 220.More preferably, built-in first magnet 234 in the bottom surface of operating groove 228, built-in and second magnet 236 that attracts each other corresponding of the lower surface of operating head 220 with first magnet 234.
Utilizability on the industry
The using method of the press and open holes machine 100 that following simple declaration forms as previously mentioned.
At first, for the combustion gas in not stopping the situation lower shunt tube road 10 of gas supply, input port 22 sides of welding saddle type bypass 20 on the outer peripheral face of pipeline 10, and sandwich valve 110 is incorporated into the gathering hole 24 of saddle type bypass 20, to prevent the leakage of combustion gas in the perforate process.Then, under the state of clip occluder plate valve 110, isocon 40 is fused to the delivery outlet 26 of saddle type bypass 20.When sandwich valve 110 and gathering hole 24 in conjunction with after, perferated thimble 152 is placed on second guiding tube 120 of sandwich valve 110 again, and utilize screw connect first in conjunction with flange 122 and second in conjunction with flange 154.
So, if sandwich valve 110 and drilling tool 150 are finished with combining of saddle type bypass 20, then, pipeline 10 starts the cutting portion 156 of drilling tool 150 for being implemented perforate.When starting cutting portion 156 in pipeline 10 perforates, cutting portion 156 starts cutting fluid cylinder pressures 158 and makes hydraulic stem 160 elongations.After hydraulic stem 160 elongation, bite 162 and cutting blade lead division 166 descend in saddle type bypass 20 through sandwich valves 110 with hydraulic stem 160, are inserted in the pipeline 10 in the input port 22 of saddle type bypass 20 with cutting.That is, bite 162 and cutting blade lead division 166 hydraulic stem 160 by elongation is through second guiding tube 120, second bullport 134, first bullport 128 and first guiding tube 112 and after being inserted in the gathering hole 24 of saddle type bypass 20, cutting pipeline 10.
In addition, between the leading-off rods 168 of the inner peripheral surface of bite 162 and cutting blade lead division 166, so the cutting blade between bite 162 and leading-off rods 168 is by helical spring 178 and grip block 176 resiliency supported by the cutting blade of bite 162 cutting.
As previously mentioned, use drilling tool 150 to finish after the perforate operation of pipeline 10, use the gathering hole 24 of shutoff 222 shutoff saddle type bypass 20.Gathering hole 24 for shutoff saddle type bypass 20, under the state of clip occluder plate valve 110, releasing is installed on the drilling tool 150 of sandwich valve 110, and after being placed on shutoff sleeve 212 on second guiding tube 120, use screw connect first in conjunction with flange 122 and the 3rd in conjunction with flange 214.At this moment, shutoff sleeve 212 is incorporated into before second guiding tube 120, and shutoff 222 is incorporated into operating head 220.That is, be incorporated in shutoff 222 under the state of operating head 220, shutoff sleeve 212 is incorporated into second guiding tube 120.
So, when finish sandwich valve 110 in conjunction with capping tools 210 after, for shutoff gathering hole 24,218 pairs of action bars 216 of hand-held operation handle are exerted pressure, and are close to the top of gathering hole 24 up to shutoff 222.After the top of gathering hole 24 is close in shutoff 222, rotating operating handle, then along with the rotation of operating grip 218, action bars 216, operating head 220 and shutoff 222 are also rotated, its shutoff as a result 222 is incorporated on the inner peripheral surface of gathering hole 24, and the shutoff gathering hole 24 thus.
In addition, as previously mentioned, utilize after the shutoff 222 shutoff gathering holes 24, sandwich valve 110 and capping tools 210 removed from saddle type bypass 20, afterwards on the gathering hole 24 that shutoff 222 is installed in conjunction with end cap (not shown).
The press and open holes machine 100 according to the present invention that so forms forms cylindric bite 162, and use cutting fluid cylinder pressure 158 to cut pipelines 10, can not produce the cutting blade powder when therefore cutting pipeline 10, and the inside of bite 162 forms and to articulate the lead division 166 of cutting blade, thereby can take out cutting blade simply from pipeline.
In addition, first magnet 234 and second magnet 236 that press and open holes machine 100 according to the present invention possesses shutoff 222 and is arranged at the operating head 220 of action bars 216, therefore when shutoff 222 for being incorporated into gathering hole 24 when mobile, can prevent that shutoff 222 is from operating head 220 disengagings.
The example of above-mentioned reference enforcement press and open holes of the present invention is illustrated, and it should be appreciated by those skilled in the art within the thought of the present invention and category that does not exceed the claim record, can carry out multiple modification and change to the present invention.

Claims (9)

1. press and open holes machine, it comprises drilling tool, this drilling tool is installed on the top of sandwich valve, and described sandwich valve is connected the operation oral-lateral that is fused to the saddle type bypass of described pipeline for the combustion gas in the shunt conduit, it is characterized in that described drilling tool comprises:
Perferated thimble has the open cylinder type in inner hollow and bottom, outer peripheral face be provided with second in conjunction with flange to be installed on the top of described sandwich valve;
Cutting portion, be arranged in the top of described perferated thimble, for allowing to exert pressure the described pipeline of cutting, and hydraulic stem is towards the inner cutting fluid cylinder pressure that extends of described perferated thimble be arranged to slide up and down in the inboard of described perferated thimble, and the bite that is connected with described hydraulic stem; And
The cutting blade lead division possesses the leading-off rods that is arranged in described bite inside, is used to take out the cutting blade by described bite cutting.
2. press and open holes machine according to claim 1, it is characterized in that described bite has the open drum of inner hollow and bottom, and the upper side fixed installation at described bite connects the described hydraulic stem of this upper side, and forms cutting edge on the outer peripheral face of the close bottom of described bite.
3. press and open holes machine according to claim 2, it is characterized in that described leading-off rods forms second external spiral at the outer peripheral face near top, combine in order to form screw thread with the extension end of described hydraulic stem, the extension end of described hydraulic stem is provided with the combined hole with second internal thread on the side face within it, is used to install described leading-off rods.
4. press and open holes machine according to claim 1 is characterized in that described cutting blade lead division possesses the grip block that is arranged in described leading-off rods bottom, is used for articulating easily cutting blade, and described grip block has diffusion type, and the cone shape of the narrower length of downside.
5. press and open holes machine according to claim 4 is characterized in that described grip block is connected by vertical helical spring with the extension end of described leading-off rods.
6. press and open holes machine according to claim 1 is characterized in that described sandwich valve comprises:
First guiding tube is installed on described gathering hole;
Second guiding tube is arranged in the top of described first guiding tube, be provided with on the outer peripheral face combine with described second the combination of flange screw thread first in conjunction with flange; And
Valve body, bottom and the described lower case that possess the lower case that is arranged at the described first guiding tube top, is arranged at described second guiding tube carry out the upper body that screw thread combines and be arranged in described lower case rotationally and described upper body between open or the gate of shutoff first guiding tube and second guiding tube.
7. press and open holes machine according to claim 6, a side that it is characterized in that described lower case forms first bullport that is communicated with the inboard of described first guiding tube, and a side of described upper body form with described first bullport towards second bullport relative and that be communicated with the inboard of described second guiding tube
Form first internal thread on the inner peripheral surface of described first guiding tube, install on the outer peripheral face of described gathering hole of described first guiding tube and form first external screw thread that combines with described first internal thread.
8. press and open holes machine according to claim 6 is characterized in that the upper side of described lower case forms towards the rotation space portion of downside depression, so that described gate is arranged to and can rotates,
Described gate is arranged to an end and is arranged in described rotation space portion by vertical rotational pin and can rotates, and the top of described rotational pin connects described upper body and extends, and common air bleeding valve is installed on the described upper body.
9. press and open holes machine according to claim 1 is characterized in that exerting pressure under the situation that does not stop gas supply and cutting perforate.
CN201010266415.5A 2009-08-28 2010-08-30 Under-pressure punching device Active CN102000732B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090080264A KR100947104B1 (en) 2009-08-28 2009-08-28 Punching device
KR10-2009-0080264 2009-08-28

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Publication Number Publication Date
CN102000732A true CN102000732A (en) 2011-04-06
CN102000732B CN102000732B (en) 2014-06-04

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CN103950066A (en) * 2014-05-24 2014-07-30 国家电网公司 PVC (polyvinyl chloride) pipe perforator
CN105508791A (en) * 2016-02-17 2016-04-20 泸州益和纸品包装有限公司 Pressure pipeline drainage device
CN106248490A (en) * 2016-07-20 2016-12-21 中冶建工集团有限公司 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method
CN106907543A (en) * 2017-04-19 2017-06-30 武汉理工大学 A kind of press and open holes closure shunting equipment
CN107262762A (en) * 2017-07-07 2017-10-20 上海煤气第二管线工程有限公司 A kind of construction method of gas pipeline with angled aperture
CN110107769A (en) * 2019-04-26 2019-08-09 北京市燃气集团有限责任公司 A kind of blocking of pipeline tapping means for placing plug connects handle and application method
CN110834110A (en) * 2019-11-29 2020-02-25 陕西助智信息技术有限公司 Small-caliber under-pressure tapper

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CN103950066A (en) * 2014-05-24 2014-07-30 国家电网公司 PVC (polyvinyl chloride) pipe perforator
CN105508791A (en) * 2016-02-17 2016-04-20 泸州益和纸品包装有限公司 Pressure pipeline drainage device
CN106248490A (en) * 2016-07-20 2016-12-21 中冶建工集团有限公司 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method
CN106907543A (en) * 2017-04-19 2017-06-30 武汉理工大学 A kind of press and open holes closure shunting equipment
CN106907543B (en) * 2017-04-19 2018-11-30 武汉理工大学 A kind of press and open holes closure shunting equipment
CN107262762A (en) * 2017-07-07 2017-10-20 上海煤气第二管线工程有限公司 A kind of construction method of gas pipeline with angled aperture
CN107262762B (en) * 2017-07-07 2019-05-07 上海煤气第二管线工程有限公司 A kind of construction method of the gas pipeline with angled aperture
CN110107769A (en) * 2019-04-26 2019-08-09 北京市燃气集团有限责任公司 A kind of blocking of pipeline tapping means for placing plug connects handle and application method
CN110834110A (en) * 2019-11-29 2020-02-25 陕西助智信息技术有限公司 Small-caliber under-pressure tapper
CN110834110B (en) * 2019-11-29 2020-12-04 滨州富创科技服务有限公司 Small-caliber under-pressure tapper

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