Drawing expansion type rapid hole packer
Technical field
The present invention relates to a kind of at widely used hole sealing technologies such as industrial and mining establishment, railway, tunnels, particularly relate to a kind of seal bore diameter scope big, the drawing expansion type rapid hole packer that applicable high-low pressure hole blocks and designs.
Background technology
At present in industrial and mining establishment, ferrum road, in order to visit water in the fields such as tunnel, waterproof, sealing, draw out methane, visit layer water filling etc. to need hole is blocked, there is shallow bore hole plug-in type at present, deep hole plug-in type, self-expanding, vapour-pressure type, the sealing of hole modes such as water expansion type, though which kind of mode otherwise utilize other media carry out expand sealing of hole, the cooperation of other equipment is needed to carry out closure very inconvenient, the pawl utilizing taper port blocks, closure pressure is little, sealing effectiveness difference easily lost efficacy, the method that chemical reaction expands is adopted to block, other equipment is needed to support inconvenient operation, the time needing operation is long, can not multiplexing waste big, poor reliability.Utilizing the medium such as water, vapour to carry out the structure of filling pressure sealing, medium is easy to pressure release and lost efficacy, once pressure increases in pressure release or hole, can bring certain threat to safety.Additionally in actual work, during bit bore, there is certain swing, be all the skin-friction force plugging hole utilizing hole sealing device surface with hole, actual borehole is all disciform hole, and port is big, bellmouth little inside hole, it is easier to make hole sealing device come off the inefficacy accident of shining into.
Through the experience that the understanding of new material is accumulated by research utilization in plastic cement industry, innovation and creation go out one can hole sealing device simple, effective, safe, sealing of hole speed is fast, and effective, simple to operate, intrinsic pressure increasing seals the drawing expansion type rapid hole packer that pressure increases automatically.
Summary of the invention
In order to improve sealing of hole effect, overcome the difficult problem that prior art easily lost efficacy.For achieving the above object, the technical solution used in the present invention is:
A kind of drawing expansion type rapid hole packer, it is characterized in that: include pull rod device and swollen cartridge, pull rod device includes auxetic bar, pressurize cylinder, pressurize cylinder is connected the cup external diameter of root less than pressurize cylinder end external diameter with auxetic bar, pressurize cylinder is furnished with anti-slip ring, pressurize cylinder is connected root with auxetic bar compression projection, and it is spacing between pressurize cylinder and C type draw-in groove that the C type card being arranged on the C type draw-in groove on auxetic bar will move back hole block;
The swollen cylinder of swollen cartridge is taper barrel structure, and the big one end barrel of the barrel dliameter one end barrel less than barrel dliameter is thick, and the end face design of swollen less one end of cylinder external diameter has and the compression pocket of compression male cooperation.
Further, on described auxetic bar, design has the screw thread matched with arm pivot post, auxetic bar has the swollen plate of pressure, presses swollen plate to be fixed on hole wall by hole packer.
Further, the described bar that auxetic bar is hollow, one end design that auxetic bar is connected with pressurize cylinder has collection hole, and the auxetic bar other end installs valve.
Further, described swollen cylinder, compression pocket, sealing shroud compressed-bit are integral type structure, there is sealing shroud compressed-bit one end of swollen cylinder, compression pocket is had outside sealing shroud compressed-bit, auxetic bar, pressurize cylinder, to compress slip ring protruding, anti-be integral type structure, and above-mentioned two integral structure adopts the highstrenghtpiston or metal material with better elastic and toughness.
The present invention stretches simply, is pulled out by auxetic bar as long as withstanding swollen cylinder port, and the one end making swollen nozzle footpath less enters into the inwall of swollen cylinder, is swollen by outer wall and just can realize sealing.Because there is no other part with pressure, it does not have potential risks, it is not necessary to special equipment can realize good sealing.The bore scope of stretchable holes is big, good sealing effect, and the shape in hole is little on sealing effectiveness impact, and the size of a drawing expansion type rapid hole packer can contain the aperture of multiple specification.When sealing the pressure increase of metapore, sealing pressure increases equally, and safety is higher.It is convenient to remove, as long as by inside for auxetic bar pore pressure during multiplexing, moves back hole block and promotes the swollen cylinder reset of sealing shroud compressed-bit to exit.
Accompanying drawing explanation
Fig. 1 is the sectional view of swollen cylinder.
Fig. 2 is the front view of auxetic bar.
Fig. 3 is the sectional view of drawing expansion type rapid hole packer.
Fig. 4 is the sectional view after drawing expansion type rapid hole packer distending.
Fig. 5 is the drawing expansion type rapid hole packer sectional view with valve.
Fig. 6 be with the drawing expansion type rapid hole packer distending of valve after sectional view.
In accompanying drawing: 1, auxetic bar;2, pressurize cylinder;3, compression projection;4, anti-slip ring;5, compression pocket;6, sealing shroud compressed-bit;7, swollen cylinder port;8, swollen cylinder;9, swollen plate hole is pressed;10, swollen plate is pressed;11, hole block is moved back;12, C type card;13, hole is collected;14, handle;15, valve;16, C type draw-in groove.
Detailed description of the invention
Present configuration is very simple, is divided into 2 basic part compositions and auxetic bar 1 and swollen cylinder 8, presses swollen plate 10 only the arriving of ability when the pulling capacity that needs are bigger.(1) auxetic bar 1, auxetic bar 1 can be hollow pipe, and can carry out connecting and connecting with endoporus valve, convenient by mass emissions or collections such as the water of endoporus, vapour.Auxetic bar 1 one end is a pyramidal structure and the pressurize cylinder 2 having anti-slip ring 4, and pressurize cylinder 2 has compression protruding 3.(2) swollen cylinder, swollen cylinder is internal empty taper cone barrel, in order to ensure the effect of auxetic, the wall thickness that diameter is less is thin, conveniently drawing in swollen cylinder inwall by less for diameter one, there is sealing shroud compressed-bit 6 one end of swollen cylinder, has compression pocket 5 outside sealing shroud compressed-bit 6.Press swollen plate, to press swollen plate 10 be exactly center with pressing swollen plate hole 9 can also be the fixing plate of screwed hole, utilizing auxetic bar 1 and press the interaction force drawing auxetic bar 1 of swollen plate 10, it is only very big at pressure for pressing the effect of swollen plate 10, just uses when cannot sealing shroud compressed-bit 6 be drawn in swollen cylinder without instrument.The combination operation of above structure is simple and convenient reliably.
Drawing expansion type rapid hole packer is by swollen cylinder 8, auxetic bar 1, press swollen plate 10(pulling force hour can) composition, it is thin that the inwall of swollen cylinder 8 can be designed to one end thickness other end, auxetic bar 1 is inserted in swollen cylinder, the compression protruding 3 of the annular of pressurize cylinder 2 side simultaneously is inserted in the compression pocket 5 on swollen cylinder 8, prevent sealing shroud compressed-bit 6 deformation from departing from, auxetic bar 1 first deforms than relatively thin place when stretching, sealing shroud compressed-bit 6 moves to the inwall of swollen cylinder 8, along with wall thickness is more and more thicker, taper pressurize cylinder 2 draws deeper and deeper, drawing tension is just increasing, swollen cylinder 8 draws tighter and tighter.In order to ensure the effect sealed, the use of swollen cylinder 8 has certain elastic materials processing with toughness and makes, and environmental requirement as required adopts the different swollen cylinders 8 of materials processing.Than can adopt the materials such as rubber pange, PVC foam, foamed polystyrene, polyethylene foam if desired for smaller sealing force;Need higher sealing pressure can adopt soft polyvinyl chloride, polyurethane, rubber or add the materials such as cloth rubber;If needing very high pressure can adopt the higher materials having again certain flexibility toughness of elastic modelling quantity such as polyethylene, polypropylene, super high molecular weight.There is the pressurize cylinder 2 of taper auxetic bar 1 one end, and the effect of pressurize cylinder 2 is to make to keep longer sealing surface and the sealing pressure with the hole sealed in swollen cylinder 8, it is ensured that the cylinder body outer wall of distending is uniform to the pressure of institute's sealing of hole wall.Auxetic bar 1 can be a hollow pipe, and a valve 15 can be placed in outside, convenient by discharges such as the hole Nei Shui after closing, vapour.Auxetic bar 1 has pressurize cylinder 2, above pressurize cylinder 2, has anti-slip ring 4.The effect of anti-slip ring 4 is, when auxetic bar 1 drives the sealing shroud compressed-bit 6 on pressurize cylinder 2 in swollen cylinder 8, anti-slip ring 4 blocks the swollen drum outer wall place of the inwall of turning back of swollen cylinder 8, makes swollen drum outer wall can uniformly enter in the inwall of swollen cylinder 8, it is prevented that only sealing shroud compressed-bit 6 stress pulls.
Pressing the effect of swollen plate 10 is when needing very big sealing pressure, instrument is not used to be difficult to draw in swollen cylinder 8 by sealing shroud compressed-bit 6, handle 14 or other instruments with stretch function can be used to coordinate with auxetic bar 1, utilize the active force that the swollen plate of pressure 10 is mutual with auxetic bar 1, push down swollen plate 10 during convenient pull-out auxetic bar 1 simultaneously and make sealing shroud compressed-bit 6 turn back smoothly.
Below in conjunction with the drawings and specific embodiments, this patent is described further.
As shown in Figure 1, swollen cylinder 8 is the conical tube of a hollow, there are sealing shroud compressed-bit 6 and compression pocket 5 in swollen cylinder 8 one end, swollen cylinder 8 other end is swollen cylinder port 7, swollen cylinder port 7 side is thicker than sealing shroud compressed-bit 6 wall thickness, it is possible to make swollen cylinder 8 one end the relatively thin place of sealing shroud compressed-bit 6 to first inwall motion.Compression pocket 5 on swollen cylinder 8 coordinates guarantee sealing shroud compressed-bit 6 to move to the inwall of swollen cylinder 8 uniformly with the compression protruding 3 on auxetic bar 1.
Auxetic bar 1 is as shown in Figure 2, auxetic bar 1 is stock, ins succession pressurize cylinder 2 in one end, and pressurize cylinder 2 has compression protruding 3, ensure that when auxetic bar 1 is to layback outside plugging hole compression protruding 3 coordinates with the compression pocket 5 on swollen cylinder 8, it is possible to sealing shroud compressed-bit 6 drawn in uniformly in the inwall of swollen cylinder 8.
Having anti-slip ring 4 on pressurize cylinder 2, the effect of anti-slip ring 4 is when auxetic bar 1 outside layback, draws deeper and deeper along with compression pocket 5 is pressed into inwall by compression protruding 3, and sealing shroud compressed-bit 6 stress is increasing.When anti-slip ring 4 ensures compression, anti-slip ring 4 uniformly enters inwall.If by 1 one-tenth helicitic texture of auxetic bar, can produce pulling force by rotary handle 14 when pulling force is very big, sealing shroud compressed-bit 6 is drawn in the inside of swollen cylinder 8 by auxetic bar 1.
Pressing swollen plate 10 is exactly the plectane of one piece of middle with hole.When the relatively big simple use of the tensile force needed manually is not easy pull-out auxetic bar 1, installs and press swollen plate 10 and put on auxetic bar 1, use helicitic texture or equipment to be pulled out by auxetic bar 1, make pressurize cylinder 2 sealing shroud compressed-bit 6 be pressed in swollen cylinder 8 inwall.
Moving back the plectane that hole block 11 is middle with hole, will move back hole block 11 and abut against the inner side of sealing shroud compressed-bit 6, C type card 12 is fixed on the inner side of sealing shroud compressed-bit 6 by moving back hole block 11.When drawing expansion type rapid hole packer removed by needs, auxetic bar 1 is pushed in hole, moves back hole block 11 and promote sealing shroud compressed-bit 6 to reset, the drawing expansion type rapid hole packer of reset is pulled down.
Auxetic bar 1 is as in figure 2 it is shown, auxetic bar 1 can be hollow structure, and design has collection hole 13, is conveniently got up by the medium collections such as the water blocked in hole, vapour, has handle 14, it is possible to sealing shroud compressed-bit 6 drawn in swollen cylinder 8 when pulling force is very big outside hole.It is convenient by the media discharge such as water, vapour out that valve 15 can have been designed in auxetic bar 1 outer end of hollow-core construction.Fig. 6 is the work sectional view of drawing expansion type rapid hole packer.As shown in Figure 5,6, principle is identical with hollow auxetic bar for the solid auxetic bar structure of drawing expansion type rapid hole packer, does not simply have the effect of discharge medium.
Now auxetic bar 1 is penetrated in swollen cylinder 8, and make the compression projection 3 on auxetic bar 1 be stuck in compression pocket 5, penetrate in the auxetic bar 1 having been placed in swollen cylinder 8 by moving back hole block 11, inner side against sealing shroud compressed-bit 6, C type card 12 is pushed in the C type draw-in groove 16 on auxetic bar 1, spacing the fixing of hole block 11 will be moved back and namely complete assembling.If pulling force is very big, it is possible to the bar of auxetic bar 1 is made helicitic texture, and swollen plate 10 will be pressed to penetrate on the swollen cylinder port 7 that auxetic bar 1 abuts against on swollen cylinder 8, utilize handle sealing shroud compressed-bit 6 to be drawn in swollen cylinder 8 with the screw thread on auxetic bar 1.Auxetic bar 1 can not also be designed to helicitic texture, use drawing device or equipment to be pulled out by auxetic bar 1 and also may be used.If drawing expansion type rapid hole packer uses at underground coal mine, working of plastics needs to adopt resistance combustion, antistatic highstrenghtpiston to make production.