CN87212634U - Piercing push bench - Google Patents
Piercing push bench Download PDFInfo
- Publication number
- CN87212634U CN87212634U CN 87212634 CN87212634U CN87212634U CN 87212634 U CN87212634 U CN 87212634U CN 87212634 CN87212634 CN 87212634 CN 87212634 U CN87212634 U CN 87212634U CN 87212634 U CN87212634 U CN 87212634U
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- CN
- China
- Prior art keywords
- chuck
- ring
- type
- intermediate plate
- plane
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- 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.)
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Abstract
The utility model discloses a piercing push bench. The holding device adopts a cylinder sleeve with the double decks cylinder shape and a ring piston as the main body. The cylinder shape piston end is connected with a front clamping head, a front clamping sheet and a front cover. The cylinder shape cylinder sleeve end is connected with a rear clamping head, a rear clamping sheet and a rear cover. The slopes of the front and rear clamping heads and the clamping sheets are combined together to clamp the pipe in turn. The hydraulic pressure oil pump is used as the power to push the pipe into the soil layer. The utility model has the advantages of high speed, light weight, and good neutrality. The utility model is suitable to the subterranean laying and construction operations of the communication cable tubes.
Description
The utility model belongs to a kind of push pipe facility.Be specially adapted to the jacking construction of underground communication cable.
At present, the underground laying of communication cable pipe when adopting the jacking method, utilizes cable trunk end plane top more, or adopts the jacking of twin-tub push-bench.
The twin-tub push-bench has a pair of hydraulic jack arranged side by side, and its rear portion is supported on the back seat plate, and the cable trunk that needs jacking is clamped in its anterior parallel connection, utilizes the thrust of hydraulic jack, with cable trunk clamping jacking soil layer piecemeal.
During two hydraulic jack parallel operations, occur asynchrony phenomenon easily, the top partially easily; Hydraulic jack is only at place clamping cable trunk, and clamping device is perfect inadequately, in the operating process, after the cable trunk jacking, is taken back again sometimes; Whole unit is heavy, inconvenient operation.
The purpose of this utility model is the holding device (also claiming main top pick) that proposes a kind of push-bench, when guaranteeing the cable trunk jacking to neutrality, improve move speed, alleviate complete machine weight, improve the push-bench performance.
Feedthrough push-bench of the present utility model is made up of tailstock, holding device and power plant.Tailstock is a metal back seat, in order to the fixed clamp device, and is supported on the wall of hole, gives holding device to provide support counter-force; Power plant are diesel engine and high-pressure plunger pump, with control valve control, so that hydraulic power to be provided; Holding device is a hydraulic jack shape structure, and the rear and front end is equipped with chuck, intermediate plate, and the cable trunk of can taking turns to clamp heads into soil layer with cable trunk.Form this holding device by cylinder sleeve, piston, preceding chuck, preceding intermediate plate, protecgulum and back chuck, rear jaw, bonnet.Cylinder sleeve is two-double cylinder, is provided with trunk piston between inside and outside barrel, and outer wall of cylinder jachet connects two oil nozzles, is connected with return tube with rail respectively, and the inwall of cylinder sleeve will be used for encircling cable trunk.Chuck is to be threaded before trunk piston front end and the ring-type, the inwall beveling of chuck before the ring-type, flare, along the preceding intermediate plate that is provided with six band inclined-planes in one week of inwall, the inwall of chuck is adjacent to before the inclined-plane of preceding intermediate plate and the ring-type, support keeps equidistant between preceding intermediate plate with the roundlet spring between six preceding intermediate plates.The front end of chuck before ring-type is established the protecgulum of being with circular hole, in the preceding chuck outside, protecgulum is connected with piston with extension spring, makes protecgulum compress the end of preceding chuck and preceding intermediate plate.Establish screw thread at preceding chuck outer wall, socket one big nut, the lifting of can regulate protecgulum.Chuck after the cylinder sleeve rear end is with the ring-type that is threaded, the chuck inwall is the inclined-plane after the ring-type, establishes six rear jaws of being with inclined-planes along its inwall, and the inwall of chuck is adjacent to after the inclined-plane of rear jaw and the ring-type, and support is supported between the intermediate plate equidistant with the roundlet spring between six rear jaws.The bonnet of band circular hole is established in the end of chuck after ring-type, after bonnet and the ring-type chuck with being threaded, when bonnet screws, but the translation of ejection rear jaw.Be provided with pressure spring between the chuck after cylinder sleeve and the ring-type.
When adopting the operation of the utility model push pipe, need to dig a geosyncline, the feedthrough push-bench is placed in the geosyncline at operating location.Cable trunk is inserted in the macropore of holding device inboard wall of cylinder liner.Unscrew big nut, protecgulum compresses preceding chuck, and this moment, six preceding intermediate plates were held cable trunk tightly; This moment, bonnet unscrewed, and rear jaw is held tightly around cable trunk.
Utilize the rail fuel feeding of power plant to the cover cylinder, promote the piston reach, intermediate plate is clamped cable trunk soil layer jacking forwards before relying on; At this moment, cable trunk drive rear jaw moves forward along the inclined-plane of back chuck, so can't clamp with cable trunk.After trunk piston is advanced to front end, change is to the return tube fuel feeding, piston begins to the opposite direction backhaul, chuck moves backward before driving, because the relative displacement between preceding chuck and the preceding intermediate plate, preceding intermediate plate is no longer held cable trunk tightly, and rear jaw can move behind chuck inclined-plane, back, the clamping cables pipe does not make cable trunk retreat.After trunk piston is return original position, promptly finish a jacking stroke.Change the fuel feeding direction, intermediate plate clamping cables pipe before making again, rear jaw pine cover cable trunk repeats above-mentioned jacking operation, and cable trunk just can progressively head in the soil layer.
When the jacking operation is finished, the big nut in the preceding chuck outside is twisted forwards, push up loose protecgulum, bonnet to be tightened, then preceding intermediate plate, rear jaw just can unclamp with cable trunk simultaneously, holding device can be unloaded by the cable trunk rear end.
The utility model is rational in infrastructure, and facility are light, because two chucks are clamped cable trunk before and after having, jacking improves greatly to neutrality, and the operating efficiency of jacking simultaneously improves greatly.
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model holding device structural drawing
Fig. 2 is the 1-1 sectional drawing of Fig. 1
Fig. 3 is the utility model feedthrough push-bench operation planimetric map
As seen from the figure, push-bench is made up of tailstock 1, holding device 2 and power plant 3.Cable trunk 16 is held in the device by frame and is passed.
No. 45 steel of cylinder sleeve 4 usefulness of holding device are made the double-layered cylinder type, 100 millimeters of external diameters, long 400 millimeters, in establish trunk piston 5 with the annular before chuck 6 usefulness be threaded, be provided with six preceding intermediate plates 7 in the chuck before the annular, long 90 millimeters of each intermediate plate, wide 60 millimeters, Bevel is fitted with the inclined-plane inwall of the preceding chuck of annular on the thickness direction, preceding intermediate plate is established the roundlet spring 8 of ∮ 10 each other, and protecgulum 9 on the cover, the chuck outside before ring-type, protecgulum is linked to each other with trunk piston 5 with extension spring 10, and overcoat is with big nut 11.Chuck 12 after cylinder sleeve 4 rear ends connect ring-type is provided with six rear jaws 13, and long 50 millimeters of each rear jaw is wide 55 millimeters, and Bevel on the thickness direction is fitted with chuck inwall inclined-plane after the annular, and rear jaw is established roundlet spring 8 each other.If bonnet 14 and compressing spring 15.Whole holding device weighs 65 kilograms.
When the jacking operation, 3 inches cable trunks are placed in the macropore of holding device cylinder sleeve, embrace cable trunk with preceding intermediate plate, rear jaw.Adopt homemade plunger pump, oil pressure 300 kg/cm, oil supply and oil return in cylinder sleeve utilize the reciprocal advance and retreat of trunk piston, and cable trunk just can be to the soil layer jacking under forward and backward chuck effect.35 tons of push pipe Li Keda, per hour jacking is 20 meters.To neutrality can reach ± 1%.
Claims (1)
1, a kind of push-bench, by support, holding device and power plant are formed, it is characterized in that holding device is by cylinder sleeve, piston, preceding chuck, preceding intermediate plate, protecgulum, back chuck, rear jaw, bonnet is formed, cylinder barrel is a two-double cylinder, between inside and outside barrel, be provided with trunk piston, chuck is with being threaded before trunk piston and the ring-type, chuck inwall beveling before the ring-type, along the intermediate plate of establishing the band inclined-plane in one week of inwall, both are adjacent on the inclined-plane, and support is with the roundlet spring between the intermediate plate, the chuck front end is provided with the protecgulum of band circular hole before the ring-type, protecgulum is connected with extension spring with trunk piston, chuck outer wall socket one big nut before the ring-type, and the cylinder sleeve rear end is threaded with chuck after the ring-type, the chuck inwall becomes the inclined-plane after the ring-type, along the intermediate plate that is provided with the band inclined-plane in one week of inwall, both are adjacent on the inclined-plane, and support is with the roundlet spring between the intermediate plate, the end of chuck after the ring-type, be provided with the bonnet of band circular hole, chuck is provided with pressure spring with being threaded after bonnet and the ring-type between cylinder sleeve and rear jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212634 CN87212634U (en) | 1987-12-17 | 1987-12-17 | Piercing push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212634 CN87212634U (en) | 1987-12-17 | 1987-12-17 | Piercing push bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87212634U true CN87212634U (en) | 1988-09-14 |
Family
ID=4827261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87212634 Withdrawn CN87212634U (en) | 1987-12-17 | 1987-12-17 | Piercing push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87212634U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997293B (en) * | 2009-08-20 | 2014-05-21 | 上海市电力公司 | Pipe jacking construction process |
| CN104482296A (en) * | 2014-10-31 | 2015-04-01 | 九峰海洋生态建设集团有限公司 | Pipeline replacement pipe push machine |
| CN110899416A (en) * | 2019-12-23 | 2020-03-24 | 徐雨 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
-
1987
- 1987-12-17 CN CN 87212634 patent/CN87212634U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997293B (en) * | 2009-08-20 | 2014-05-21 | 上海市电力公司 | Pipe jacking construction process |
| CN104482296A (en) * | 2014-10-31 | 2015-04-01 | 九峰海洋生态建设集团有限公司 | Pipeline replacement pipe push machine |
| CN110899416A (en) * | 2019-12-23 | 2020-03-24 | 徐雨 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
| CN110899416B (en) * | 2019-12-23 | 2021-07-02 | 上海矩顶工程科技有限公司 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |