CN205975800U - Controllable expandable casing well prosthetic devices - Google Patents

Abstract

Controllable expandable casing well prosthetic devices relates to well repairing machine tool, and well section sleeve pipe plugging device include: both ends set up expansion section about the sleeve pipe, and expansion section is last to set up the longitudinal crack that a plurality of length is the same, in upward sleeve pipe upper portion bobbin is arranged in to the extrusion circle, go up the extrusion portion of circling and be provided with the crosspiece recess, in sleeve pipe lower part bobbin was arranged in to the extrusion circle down, extrusion circle lower part was provided with down the crosspiece recess down, cover tube swelling power is attended the device and is included oil pump, hydro -cylinder pendant, and the structure of hydro -cylinder pendant includes: be provided with the link on going up the crosspiece, the hydro -cylinder hangs on last crosspiece, is provided with inlet port and oil outlet on the hydro -cylinder cylinder body, respectively through the pipe connection oil pump, the regulating arm to the oil cylinder piston rod sub -unit connection, is provided with the hob in the regulating arm, and the piece is hung to hob lower part hub connection, and crosspiece under string piece lower part hub connection is on one side lower crosspiece is provided with the balancing weight. The beneficial effects of the utility model are that: can satisfy the maintenance demand of different length, bore, well material well section, it is with low costs, convenient operation.

Description

Controllable expansion sleeve pipe well prosthetic device

Technical field

This utility model is related to field of mechanical technique, is well prosthetic device further, in particular by controllable expansion set The well prosthetic device of pipe.

Background technology

Water conservancy is the lifeblood of agricultural, and in northern China, most area is the iirigation water source relying on well to provide crop. Additionally, also commercial production, DRINKING WATER, geothermal air conditioner etc., it is directed to well.Therefore, the effect of well is self-evident.So And, with well use time extend it may appear that different degrees of well wall broken hole, crack, disconnection, nylon wire come off, The phenomenons such as breakage, thus having influence on the water outlet of well and normal use, can lead to well to be scrapped when serious.This is accomplished by well Repaired.The annual well about 6%-7% damaging because of factors such as geologic structure, consumption, if do not keeped in repair, these wells Directly scrapped, had a strong impact on production and the life of people.

Due to modern well narrow space, ground condition in various places is complicated, and well casing material therefor is numerous, such as pipe of cement, steel pipe, cast iron Pipe, plastic tube etc..For a long time, well maintenance never has technical breakthrough, still based on secondary integral cannula.But it is secondary Sleeve pipe has many drawbacks：Not only invest very high, and risk is big, often affect the normal water percolating capacity of well.Its adaptability is relatively Difference, so that the well larger to some deformation cannot be repaired.And, Work machine complex structure, heaviness, operation inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of controllable expansion sleeve pipe well prosthetic device, and it can be easily to need Well section to be blocked is blocked, thus extending the service life of well.

The purpose of this utility model is realized by below scheme：

Controllable expansion sleeve pipe well prosthetic device, is divided into well section sleeve pipe plugging device, and casing expandable power attends device two Part it is characterised in that：Described well section sleeve pipe plugging device includes：Sleeve pipe upper and lower ends are respectively arranged with expansion arc, expansion arc Upper several length identical longitudinal cracks of setting；Upper extruding circle is placed in the socket of sleeve pipe top, the top setting of upper extruding circle There is upper strut rail groove；Lower extruding circle is placed in casing part socket, and the bottom of lower extruding circle is provided with lower strut rail groove；Sleeve pipe is swollen Swollen power service device includes oil pump, oil cylinder suspension member, and the structure of oil cylinder suspension member includes：Link is provided with upper strut rail, oil cylinder hangs It is hung on strut rail, cylinder block is provided with fuel feed hole and oil outlet, respectively oil pump is connected by pipeline；The piston rod of oil cylinder Bottom is connected to regulating arm, is provided with screw rod in regulating arm, and screw rod bottom axle connects hanging block, and hanging block bottom axle connects lower horizontal stroke Gear, lower strut rail is provided with balancing weight.

The purpose of this utility model can be realized further by below scheme：

Described upper extruding circle, lower extruding circle are barrel-like structure, and it includes thinner boot segment, by carefully thicker outer support Section, thicker stable section three part；Boot segment imports in sleeve pipe by extruding circle, and the expansion arc of sleeve pipe is radially supportted by outer support section to be squeezed.

It is provided with baffle ring on tube wall inside described expansion arc.

Described expansion arc arranges 20-40 centimeter length.

It is provided with sealing lining material around described expansion arc.

Described longitudinal crack is 4-8 bar.

This utility model has following remarkable result：1st, plugging effect is good.By practice have shown that, will be covered by expansion fashion Pipe is fixed in well, and plugging effect is good, on well control the water yield impact little, risk is low.2nd, scalable.The reality of section can be damaged according to well Border needs any length.3rd, low cost.Due to being blocked just for problem well section, therefore materials are few, and expense is low.4th, operation side Just.This mechanical overall compact, overall weight is light, convenient to operation.5th, do not affect the discrepancy of water pump.After the completion of construction, sleeve pipe Two ends are in bell mouth shape, come in and go out up and down beneficial to water pump.6th, wide adaptability.Do not limited by well casing material, depth, caliber size； Do not limited by well casing material such as pipe of cement, steel pipe, cast iron pipe, plastic tube；The broken hole of well wall, crack, disconnection, disconnected can be directed to The well section of all needs closure such as section, nylon wire come off, breakage is blocked.On the whole, this utility model can be easily Repair well, thus extending the service life of well；It is the lifting to one matter of well maintenance technology, before having a wide range of applications Scape.

In order that those skilled in the art more fully understand this utility model scheme, and make above-mentioned mesh of the present utility model , feature and advantage can become apparent from understandable, with reference to the accompanying drawings and examples this utility model is made further details of Explanation.

Brief description

Fig. 1,2 be this utility model structural representation.

In figure：Upper extruding circle 1, upper strut rail groove 1-1, sealing lining material 2, sleeve pipe 3, crackle 4, lower extruding circle 5, lower strut rail groove 5-1, link 6, upper strut rail 7, fuel feed hole 8, oil cylinder 9, oil outlet 10, regulating arm 11, screw rod 12, hanging block 13, lower strut rail 14, Balancing weight 15.

Specific embodiment

As shown in Figure 1 and Figure 2, this utility model is divided into well section sleeve pipe plugging device, and casing expandable power attends two, device Point, wherein, well section sleeve pipe plugging device includes：Sleeve pipe 3 upper and lower ends are respectively arranged with expansion arc, and expansion arc arranges several Length identical longitudinal crack 4（General 4-8 bar）, expansion arc typically arranges 20-40 centimeter length（Preferably 25-35 centimetre, then It is preferably 28-32 centimetre）, expansion arc periphery be provided with sealing lining material 2（Sealing lining material includes rubber, nylon etc.）, to guarantee to cover Pipe and the high-seal of the borehole wall；It is provided with baffle ring, for controlling the stroke of extruding circle movement on tube wall inside expansion arc（Namely The stroke of hydraulic cylinder piston rod）；Extruding circle includes extruding circle 1 and lower extruding circle 5, and upper extruding circle 1 is placed in sleeve pipe 3 top socket Interior, extrude from top to bottom；The top of upper extruding circle is provided with strut rail groove 1-1；Lower extruding circle 5 is placed in sleeve pipe 3 bottom socket Interior, extrude from bottom to top；The bottom of lower extruding circle 5 is provided with lower strut rail groove 5-1；Extruding circle is barrel-like structure up and down, its Including thinner boot segment, by carefully thicker outer support section, thicker stable section three part；Boot segment imports sleeve pipe 3 by extruding circle Interior, the expansion arc of sleeve pipe 3 is radially supportted by outer support section to be squeezed, and makes expansion arc thick compared with sleeve pipe 3 middle part, thus playing similar setscrew Effect, makes sleeve pipe 3 be fixed on the borehole wall.

Casing expandable power service device includes oil pump, oil cylinder suspension member, and the structure of oil cylinder suspension member includes：Set on upper strut rail 7 It is equipped with link 6, oil cylinder 9 hangs on strut rail 7, oil cylinder 9 includes the piston rod in cylinder body and cylinder body, underpart of the piston rod is even Then regulating arm 11, are provided with screw rod 12 in regulating arm 11, screw rod 12 bottom axle connects hanging block 13, and hanging block 13 bottom axle is even Connect lower strut rail 14, lower strut rail 14 is provided with balancing weight 15.

This utility model is provided with two length adjustment devices：First, by rotation, the elongation of achievable screw rod 12 and contracting Short；Second, fuel feed hole 8 and oil outlet 10 are provided with oil cylinder 9 cylinder body, respectively oil pump is connected by pipeline, by operating oil pump, Achievable oil cylinder 9 piston rod flexible.By length adjustment device, thus having larger adaptability, select different length, no Sleeve pipe with thickness（Bore of miscellaneous equipment such as extruding circle 5 etc., also makees corresponding adjustment）, you can meet to different length problem The maintenance activity demand of well section.

Using process：First stage, delivery cannula：Downwards during delivery cannula 3, by oil cylinder suspension member threading 3, upper squeeze Trim ring 1 is placed in sleeve pipe 3 top socket, and lower extruding circle 5 is placed in sleeve pipe 3 bottom socket；Casing expandable power is attended device It is through in sleeve pipe 3, wherein, upper strut rail 7 is placed in strut rail groove 1-1；Lower strut rail 14 is placed in lower strut rail groove 5-1；Will Rope is tied to link, low discharges rope, thus sleeve pipe 3 and oil cylinder suspension member are transported at problem well section；Second stage, lays Sleeve pipe：Operation hydraulic pump（Operation hydraulic valve）, make piston rod contracting, in formation, extruding circle squeezes for 1 time, lower extruding is enclosed and squeezed on 5, thus Strut the expansion arc of sleeve pipe 3, sleeve pipe 3 is fixed at problem well section.Phase III, lift suspension member：Operation hydraulic pump（Operation liquid Pressure valve）, make to put outside piston rod, in the presence of balancing weight 15, lower strut rail 14, from being laterally changed into vertical or tiltedly vertical, pulls rope Realize the lifting of oil cylinder suspension member.

The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in Change or replace, all should cover within protection domain of the present utility model.

Claims (6)

1. controllable expansion sleeve pipe well prosthetic device, is divided into well section sleeve pipe plugging device, and casing expandable power attends two, device Point it is characterised in that：Described well section sleeve pipe plugging device includes：Sleeve pipe upper and lower ends are respectively arranged with expansion arc, on expansion arc Several length identical longitudinal cracks are set；Upper extruding circle is placed in the socket of sleeve pipe top, and the top of upper extruding circle is provided with Upper strut rail groove；Lower extruding circle is placed in casing part socket, and the bottom of lower extruding circle is provided with lower strut rail groove；Casing expandable Power service device includes oil pump, oil cylinder suspension member, and the structure of oil cylinder suspension member includes：Link is provided with upper strut rail, oil cylinder hangs On upper strut rail, cylinder block is provided with fuel feed hole and oil outlet, respectively oil pump is connected by pipeline；Under the piston rod of oil cylinder Portion is connected to regulating arm, is provided with screw rod in regulating arm, and screw rod bottom axle connects hanging block, and hanging block bottom axle connects lower horizontal stroke Gear, lower strut rail is provided with balancing weight.

2. controllable expansion sleeve pipe well prosthetic device according to claim 1 it is characterised in that：Described upper extruding circle, under Extruding circle is barrel-like structure, and it includes thinner boot segment, by carefully thicker outer support section, thicker stable section three part；Draw Lead section and import in sleeve pipe by extruding circle, the expansion arc of sleeve pipe is radially supportted by outer support section to be squeezed.

3. controllable expansion sleeve pipe well prosthetic device according to claim 1 it is characterised in that：Inside described expansion arc Baffle ring is provided with tube wall.

4. controllable expansion sleeve pipe well prosthetic device according to claim 1 it is characterised in that：Described expansion arc setting 20-40 centimeter length.

5. the controllable expansion sleeve pipe well prosthetic device according to claim 1 or 2 or 3 or 4 it is characterised in that：Described swollen Swollen section of periphery is provided with sealing lining material.

6. controllable expansion sleeve pipe well prosthetic device according to claim 1 it is characterised in that：Described longitudinal crack is 4-8 bar.