CN202989938U - Pipe extractor for well point pipe - Google Patents
Pipe extractor for well point pipe Download PDFInfo
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- CN202989938U CN202989938U CN 201220625848 CN201220625848U CN202989938U CN 202989938 U CN202989938 U CN 202989938U CN 201220625848 CN201220625848 CN 201220625848 CN 201220625848 U CN201220625848 U CN 201220625848U CN 202989938 U CN202989938 U CN 202989938U
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- extractor
- locking
- well
- point
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Abstract
The utility model relates to a pipe extractor for a well point pipe. The pipe extractor comprises a hydraulic power device, a traction device, a locking device and a base. The traction device comprises a pipe extractor underframe and two hydraulic oil cylinders. The pipe extractor underframe comprises a flat plate with a semicircular opening, the lower portion of the flat plate is connected with a platform, two connecting columns are arranged on the lower portion of the flat plate and at the positions of two sides of the platform, and a check block is arranged on the upper portion of the flat plate. The base comprises a base plate with a semicircular opening, two connecting seats are arranged on the upper portion of the base plate, one ends of the hydraulic oil cylinders are connected with the connecting columns, and the other ends of the hydraulic oil cylinders are connected with the connecting seats. The locking device is arranged in the middle of the platform of the pipe extractor underframe and comprises a rear pipe hoop, a front pipe hoop and a locking thrust augmentation disc. The hydraulic power device and the hydraulic oil cylinders are communicated through hydraulic oil pipes. The pipe extractor can greatly reduce labor intensity, saves time of a pipe drawing process and can simultaneously effectively reduce construction cost in the field.
Description
Technical field
The utility model relates to a kind of pipe extractor, specifically the well-point pipe pipe extractor.
Background technology
At present, in the Large Foundation Pit dewatering construction, generally all adopt Application of light well point precipitation.Application of light well point precipitation excavation of foundation pit fall in drainage works use comparatively extensive.When foundation pit structure is constructed to a certain extent, just need to pull out the precipitation light well point.Pulling out mode about the light well point well-point pipe both at home and abroad at present roughly is divided into following several:
1) adopt the job site scaffold tubes to connect buckle, be stuck on well-point pipe with buckle, then be bundled in rope and utilize crane or Chain block that the well point is pulled out on bayonet socket.Adopt this method efficient lower, because the active force contact surface is little, pulls out the well point at every turn and all can damage a large amount of buckles, and make because well-point pipe usually adopts UPVC, easily destroyed, cause damage.
2) in, big machinery assisted and pulled out.Adopt wire rope to be wound around a circle (entangling well-point pipe) along well-point pipe pipe week, recycling crane or excavator draw vertically upward.The advantage of the method is that pipe-pulling speed is fast.Shortcoming is that the mechanical one-shift expense is too high.
3) lever principle manually rises and pulls out.This pipe extractor adopts steel plate to process, and profile is similar than spanner, rises when pulling out well-point pipe the pipe extractor opening is packed into well-point pipe, afterburning steel pipe on the pipe extractor termination point casing again, simultaneously pad the fulcrum flitch below afterburning steel pipe, manually firmly exerted pressure downwards, once can pull up 100～200mm.The advantage of this drawing method is, can effectively reduce engineering cost.Shortcoming is, constructor's labour intensity is large, is difficult to be promoted.
At present, after the light well point operation is complete, when well-point pipe is removed, rely on crane or digging machine to assist pulling, the expense that occurs in this situation accounts for more than 30% of well point construction, and the destruction that can cause well-point pipe more.Additive method cost of labor is high, and operating personnel's labour intensity is large, inefficiency.
Application of light well point precipitation is as traditional work items, and the engineering quantity of completing every year is very big.Due to construction process requirement, the time of pulling out the precipitation light well point is often tighter, needs to adopt a kind of method of simple and fast to pull out the well point.Therefore, from project cost and labour intensity angle, a engineering cost that can reduce of research and design drops into the special-purpose pipe extractor that can alleviate again constructor's labour intensity, has both satisfied the demand of raising labour efficiency, and is also the actual demand that instantly reduces engineering cost.
Summary of the invention
The utility model is intended to overcome the defective of prior art, a kind of well-point pipe pipe extractor is provided, can solve the problem that labour intensity is large, operating efficiency is low that tradition is pulled out well-point pipe, the time of labour intensity, saving tube drawing operation can be reduced largely, the construction cost in this field can be effectively be reduced in simultaneously.
In order to solve the problems of the technologies described above, the utility model is achieved in that
A kind of well-point pipe pipe extractor is characterized in that: it comprises hydraulic power unit, draw-gear, locking device and base; Described draw-gear comprises pipe extractor underframe and two hydraulic jacks, and the pipe extractor underframe comprises one with the flat board of semicircle opening, and dull and stereotyped bottom is connected with a platform, is provided with two joint pins at two side positions of dull and stereotyped bottom, platform, and dull and stereotyped top is provided with block; Described base comprises one with the base plate of semicircle opening, and base plate top is provided with two Connection Blocks; One end of hydraulic jack is connected with joint pin, and the other end is connected with Connection Block; Described locking device is located at the platform middle part of pipe extractor underframe, and it comprises the afterburning dish of rear pipe collar, front pipe collar and locking; Be communicated with by hydraulic oil pipe between hydraulic power unit and hydraulic jack.
Described well-point pipe pipe extractor, it is characterized in that: described hydraulic power unit comprises hydraulic oil container and gear pump, hydraulic oil container top is connected with motor and controls to adjust mechanism, control and regulation mechanism comprises pressure-control valve and flow control valve, gear pump is located at pressure-control valve top, and flow control valve top is connected with reversing handle.
Described well-point pipe pipe extractor, it is characterized in that: the both sides of described rear pipe collar all have the hole, front pipe collar has the hole on one side, front pipe collar be connected one side that pipe collar all has a hole and connect by bearing pin, be placed with tie down screw in another of rear pipe collar is lateral opening, fix by bearing pin, tie down screw can rotate around rear pipe collar by this bearing pin; The afterburning dish of locking top is provided with the internal thread that is complementary with the tie down screw bottom, and the tie down screw bottom is threaded with the afterburning dish of locking top, and the bottom of the afterburning dish of locking is a rotating disk, and its top has one and encloses the hole.
Described well-point pipe pipe extractor is characterized in that: it also comprises cushion cover, and described cushion cover is the cylinder type hollow cover, and it is located between front pipe collar and the afterburning dish of locking.
The beneficial effects of the utility model are: when applying to the operation of well-points dewatering tube drawing, can overlap all well-point pipes (approximately 50) of well point pump to 1 by eradicating out in 30-40m scope after its power set one-time positioning, heavier power set do not need displacement, as long as drive light pipe extractor, the power switch of handling pipe extractor gets final product.Pull out 1 for the well-point pipe that overlaps the well point pump just can complete in about 3-4 hours.After all well-point pipes of one cover have pulled out, this pipe extractor is moved to the tube drawing work that next cover well-point pipe can be carried out in pump position, another set of well point.The displacement of this pipe extractor, location, convenient mounting and clamping can reduce operating personnel's labour intensity to a great extent, increase work efficiency, and implementation result is good.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of locking device.
Fig. 3 is front pipe collar and the rear pipe collar structural representation when opening.
Fig. 4 is the structural representation of pipe extractor underframe.
Structural representation when Fig. 5 is tube drawing.
Fig. 6 is the structural representation of base.
The specific embodiment
As shown in Figure 1: a kind of well-point pipe pipe extractor, it comprises hydraulic power unit, draw-gear, locking device 12 and base 13;
Described hydraulic power unit comprises hydraulic oil container 1 and gear pump 4, hydraulic oil container top is connected with motor 2 and controls to adjust mechanism, control and regulation mechanism comprises pressure-control valve 3 and flow control valve 5, and gear pump is located at pressure-control valve top, and flow control valve top is connected with reversing handle 6;
As shown in Figure 4: described draw-gear comprises pipe extractor underframe 10 and two hydraulic jacks 11, the pipe extractor underframe comprises one with the flat board 101 of semicircle opening, dull and stereotyped bottom is connected with a platform 102, two side positions at dull and stereotyped bottom, platform are provided with two joint pins 103, and dull and stereotyped top is provided with block;
As shown in Figure 6: described base 13 comprises one with the base plate 131 of semicircle opening, and base plate top is provided with two Connection Blocks 132; One end of hydraulic jack is connected with joint pin 103, and the other end is connected with Connection Block 132;
As shown in Figure 2: described locking device 12 is located at platform 102 middle parts of pipe extractor underframe 10, and it comprises the afterburning dish 20 of rear pipe collar 16, front pipe collar 17 and locking; The both sides of described rear pipe collar all have the hole, front pipe collar has the hole on one side, front pipe collar be connected one side that pipe collar all has a hole and connect by bearing pin 15, be placed with tie down screw 18 in another of rear pipe collar is lateral opening, fix by bearing pin, tie down screw can rotate around rear pipe collar by this bearing pin; The afterburning dish of locking 20 tops are provided with the internal thread that is complementary with the tie down screw bottom, and the tie down screw bottom is threaded with the afterburning dish of locking top, and the bottom of the afterburning dish of locking is a rotating disk, and its top has one and encloses the hole, can insert boosting-rod on the hole and carry out reinforcing; It also comprises cushion cover 19, and described cushion cover is the cylinder type hollow cover, and it is located between front pipe collar and the afterburning dish of locking, and its effect is the length that screws in screw thread when reducing the afterburning dish locking of locking well-point pipe, the time of saving locking and unclamping;
Be communicated with by hydraulic oil pipe 8 between hydraulic power unit and hydraulic jack.
It is motionless that hydraulic power unit is fixed on well-point pipe construction area suitable place, pipe extractor is taken on the well point tube edge that to pull out, as shown in Figure 3: the front pipe collar 17 of locking device is opened and tie down screw 18 rotates to reserve than large space towards the right, mobile pipe extractor makes well-point pipe 9 pass from the centre of the front and back pipe collar of locking device, and the bed course under cleaning pipe extractor base 13 is ajusted pipe extractor.Front pipe collar 17 closes, rotation lock screw rod 18, opening in shelves of 18 the past of tie down screw pipe collar 17 right side central passed, first put cushion cover 19 on tie down screw 18, screw in again the afterburning dish 20 of locking until well-point pipe 9 is held tightly by the front and back pipe collar, can carry out reinforcing locking in the hole with the afterburning dish of boosting-rod insertion locking 20 afterbodys in case of necessity.
As shown in Figure 5: start hydraulic power unit, utilize the reversing handle 6 controlled pressure oil of flow control valve 5 from the rodless cavity inflow of hydraulic jack, piston rod is stretched out, driving pipe extractor underframe 10, locking device 12 and well-point pipe 9 up moves, piston rod time operation reversing handle to the end moves to meta and stops, thereby well-point pipe is extracted a segment distance in soil.Then unclamp the afterburning dish of locking, lock leaves a few circle screw threads and gets final product, and cushion cover, locking plate do not need to lift down, and operation reversing handle 6 controlled pressure oil flow into from the rod chamber of hydraulic jack, make the pipe extractor underframe fall back to fast initial position.Repeat again into locking, traction enhancement, unclamping, fall after rise.Just can pull out well-point pipe 9 out after several like this bouts.Because tube drawing process ordinary circumstance is first tight rear loose, therefore the back just can have been locked with regard to not needing to carry out reinforcing, even can extract by hand at last.If it is very tight that well-point pipe is blocked, can come by the adjusting knob of regulating pressure-control valve 3 size of adjusting work pressure in soil.Pipe-pulling speed can carry out the adjusting of flow rate of hydraulic system by the flow-control knob, thereby controls the stretching speed of hydraulic jack.
After pulling out a well-point pipe, by above-mentioned steps, pipe extractor is taken the work of pulling out of carrying out next root well-point pipe on the tube edge of another root well point.So well-point pipes all in the pipe extractor working range is all pulled out.The position that its working range is placed with hydraulic power unit and the length of hydraulic oil pipe are relevant.
Claims (4)
1. well-point pipe pipe extractor, it is characterized in that: it comprises hydraulic power unit, draw-gear, locking device and base; Described draw-gear comprises pipe extractor underframe and two hydraulic jacks, and the pipe extractor underframe comprises one with the flat board of semicircle opening, and dull and stereotyped bottom is connected with a platform, is provided with two joint pins at two side positions of dull and stereotyped bottom, platform, and dull and stereotyped top is provided with block; Described base comprises one with the base plate of semicircle opening, and base plate top is provided with two Connection Blocks; One end of hydraulic jack is connected with joint pin, and the other end is connected with Connection Block; Described locking device is located at the platform middle part of pipe extractor underframe, and it comprises the afterburning dish of rear pipe collar, front pipe collar and locking; Be communicated with by hydraulic oil pipe between hydraulic power unit and hydraulic jack.
2. well-point pipe pipe extractor according to claim 1, it is characterized in that: described hydraulic power unit comprises hydraulic oil container and gear pump, hydraulic oil container top is connected with motor and controls to adjust mechanism, control and regulation mechanism comprises pressure-control valve and flow control valve, gear pump is located at pressure-control valve top, and flow control valve top is connected with reversing handle.
3. well-point pipe pipe extractor according to claim 1 and 2, it is characterized in that: the both sides of described rear pipe collar all have the hole, front pipe collar has the hole on one side, front pipe collar be connected one side that pipe collar all has a hole and connect by bearing pin, be placed with tie down screw in another of rear pipe collar is lateral opening, fix by bearing pin, tie down screw can rotate around rear pipe collar by this bearing pin; The afterburning dish of locking top is provided with the internal thread that is complementary with the tie down screw bottom, and the tie down screw bottom is threaded with the afterburning dish of locking top, and the bottom of the afterburning dish of locking is a rotating disk, and its top has one and encloses the hole.
4. well-point pipe pipe extractor according to claim 1, it is characterized in that: it also comprises cushion cover, and described cushion cover is the cylinder type hollow cover, and it is located between front pipe collar and the afterburning dish of locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625848 CN202989938U (en) | 2012-11-23 | 2012-11-23 | Pipe extractor for well point pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625848 CN202989938U (en) | 2012-11-23 | 2012-11-23 | Pipe extractor for well point pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989938U true CN202989938U (en) | 2013-06-12 |
Family
ID=48561132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625848 Expired - Lifetime CN202989938U (en) | 2012-11-23 | 2012-11-23 | Pipe extractor for well point pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989938U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005403A (en) * | 2014-06-12 | 2014-08-27 | 天津大学 | Drainage channel up-pull device for vacuum preloading consolidation and drainage |
| CN114193392A (en) * | 2021-10-28 | 2022-03-18 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
| CN114211451A (en) * | 2021-10-28 | 2022-03-22 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
| CN115673012A (en) * | 2022-10-11 | 2023-02-03 | 株洲湘火炬机械制造有限责任公司 | Piston pin blank precision cold drawing device and using method thereof |
-
2012
- 2012-11-23 CN CN 201220625848 patent/CN202989938U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005403A (en) * | 2014-06-12 | 2014-08-27 | 天津大学 | Drainage channel up-pull device for vacuum preloading consolidation and drainage |
| CN114193392A (en) * | 2021-10-28 | 2022-03-18 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
| CN114211451A (en) * | 2021-10-28 | 2022-03-22 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
| CN114211451B (en) * | 2021-10-28 | 2023-12-05 | 上海外高桥造船有限公司 | Tube drawing device for adjustable jig frame |
| CN114193392B (en) * | 2021-10-28 | 2023-12-29 | 上海外高桥造船有限公司 | Tube drawing device for adjustable jig frame |
| CN115673012A (en) * | 2022-10-11 | 2023-02-03 | 株洲湘火炬机械制造有限责任公司 | Piston pin blank precision cold drawing device and using method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |