CN202037010U - Hollow hammerhead and crusher comprising same - Google Patents
Hollow hammerhead and crusher comprising same Download PDFInfo
- Publication number
- CN202037010U CN202037010U CN2010206433494U CN201020643349U CN202037010U CN 202037010 U CN202037010 U CN 202037010U CN 2010206433494 U CN2010206433494 U CN 2010206433494U CN 201020643349 U CN201020643349 U CN 201020643349U CN 202037010 U CN202037010 U CN 202037010U
- Authority
- CN
- China
- Prior art keywords
- tup
- drilling rod
- hollow
- main drilling
- air inlet
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a hollow hammerhead and a crusher comprising the same. The hammerhead comprises a hollow chamber, and is characterized in that: one or a plurality of openings are eccentrically arranged on the bottom surface of the hammerhead in the hollow chamber of the hammerhead. The crusher comprises a hanging ring device, a main drill pipe, an air inlet pipe and a compression spring cover, wherein the hanging ring device is used for pulling the main drill pipe through a supporting and steel wires, and the main drill pipe, the compression spring cover and the hollow hammerhead are hollowly communicated; the main drill pipe is connected with the upper part of the compression spring cover, and the lower part of the compression spring cover is connected with the hammerhead; the air inlet pipe is attached to one side of the main drill pipe, extends from top to bottom and is communicated with the main drill pipe, and an air compressor compresses air into the main drill pipe through the air inlet pipe; and the inner diameter of the hollow chamber of the hammerhead is less than the hollow inner diameter of the main drill pipe.
Description
Technical field
The utility model relates to a kind of crushing mechanism, and more specifically, the utility model relates to a kind of hollow tup and comprises its crushing mechanism.
Background technology
In fields such as resource exploitation, infrastructural project, geological prospecting, drilling well, geothermal utilizations, need crushing mechanism that hard thing is carried out hammering and pulverize, and mincing of will producing to clear up away, traditional tup is a solid construction.
In real work, solid tup smashes the hammering thing, stops hammering then, remove tup, the hammering thing water or other modes that are crashed to pieces are diluted sucking-off, when this mechanism takes out the hammering thing that is crashed to pieces at needs, tup all will quit work, and makes operating efficiency reduce greatly.The hammering thing of the most close tup bottom is crashed to pieces at first during hammering, the part that is crashed to pieces is at first impacted repeatedly owing to can not in time take out, interlayer at hammering place formation " mat " sample has consumed the hammer force suffered than the distal part position from the tup bottom, and the useful work ratio is very low.Solid construction makes that the tup quality is heavier, give quit work, the removing of displacement and hammering thing all brings very big difficulty; In addition, solid construction consumption material is many, and waste of material is big, and energy consumption is also big in the use.
Need ceaselessly the hammering chip to be taken out in the hammering process, so that deep enough the going on of hammering energy, prior art is used usually and is carried out based on the anti-circulation of centrifugal pump, and this method needs the power of pump big, and the consumed energy height is economical inadequately.Because the suction journey and the lift of pump itself are limited, limited the degree of depth of removing chip simultaneously.
Existing crushing mechanism adopts steel wire rope directly to link to each other with tup usually, and solid tup is heavy, and the holding capacity of steel wire rope is big, the mechanical wear height, and the service life of whole machinery is low.
Because probing or hammering are along with progress will be deepened, the main drilling rod that presets can not meet the demands under certain depth, needs to increase drilling rod; In addition, if between tup and main drilling rod, install short scale drilling rod additional, then be convenient to install, safeguard and transportation.
Connection between drilling rod uses traditional flange to finish, and in operation or job site two flange plates is connected with bolt, needs a plurality of people when connecting, and connects with two spanners respectively, need fastening bolt want 6-12 individual, time-consuming, take a lot of work.Simultaneously, because flange plate separates with the member that will be connected, be easy to produce bolt and lose, the problem that flange and the member that will be connected can't be connected.
The utility model content
For overcoming the defective of existing crushing mechanism and tup, the utility model proposes a kind of new crushing mechanism and tup.
According to an aspect of the present utility model, a kind of hollow tup is provided, this tup comprises hollow chamber, it is characterized in that, the hollow chamber of described tup is divided into one or more opening at the tup basal surface, described one or more opening arranged off-centre.
Described one or more opening is circle, ellipse or rectangle.
The internal diameter of described opening is less than the internal diameter of hollow chamber.
Total cross-sectional area of described one or more opening is less than the cross-sectional area of described hollow chamber.
Described one or more opening is distributed in the basal surface of tup equably or unevenly.
The a plurality of grooves that are interconnected of the sole arrangement of described tup.
The alloy plectane of a plurality of high rigidity of edge placement of described groove.
The basal surface of described tup a plurality of alloy plectanes that distribute are not being arranged the position cutting of alloy plectane, form to be communicated with.
Crushing mechanism with hollow tup, described crushing mechanism comprises the suspension ring device, main drilling rod, air inlet pipe, compression spring shield; It is characterized in that the suspension ring device is used for by support and steel wire tractive master drilling rod, described main drilling rod, compression spring shield and hollow tup form hollow and are communicated with, and main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with tup; Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine; The internal diameter of the hollow chamber of described tup is less than the internal diameter of the hollow of main drilling rod.
According to hollow tup of the present utility model, when hammering, do not need hammer is removed, can remove the hammering thing that is crashed to pieces at any time, save time and staff's labour intensity; Because the hammering thing can in time be removed, no longer include " mat " in the bottom of hammer, so efficient improves greatly; The hollow tup can also feed various materials, as liquid or less than the material of hollow diameter, to reach different purposes and purposes; Hollow tup material therefor is few, saves material, and is in light weight, and convenient in carrying is saved energy resource consumption, can also save artificial and time.
The air inlet pipe that the utility model uses is utilized the buoyancy and the election power that makes progress of the characteristic of air itself well, compressed air arrives the bottommost that needs to remove chip simultaneously, as long as how long the pipe of corresponding conveying gas has, how many degree of depth of removing chip just can reach, and therefore changes conventional pump power fully and inhaled the defective that the restriction of journey and lift can not reach the requirement of the removing chip degree of depth.Simultaneously, air compressor make to be removed all suitable big of the speed and vigor of chip, adds anti-circulation and need not shut down and change any equipment and parts, and operating efficiency is accelerated greatly like this.
Various liquid and semisolid can be ventilated, be led to the hollow of main drilling rod and the conduit of arranging in addition, import gas, liquid or semi-solid to send into the below of hammering face, perhaps, perhaps hammer body is cooled off beyond the material derivation hammer body of hammer body below (perhaps).
Owing to adopted the method for gaslift suction, only in several seconds, just can finish the residue removing, conventional method is used about 30 minutes possibly, also needs 2-3 people; In the airlift method only use 1 people, mechanism of the present utility model can extract bigger stone, soil block out, the pulverizing of unnecessary hammering, and traditional solid hammer can only be gone out the soil block or the stone of the pulverizing of hitting.
The utility model is simple in structure, easy construction, and high efficiency is saved artificial 4-8 people, raises the efficiency 2-3 doubly than original conventional method, saves consumptive material, saves the electricity charge, conserves water, and construction cost is low, and the pore-forming time is short, has high economic worth.
Practicality of the present utility model and versatility are very strong, can on existing equipments such as traditional percussion drill, abrasion drill, install additional, can under the prerequisite of not eliminating existing device, install additional for old equipment, can under the prerequisite of utilizing the equipment that falls behind, raise the efficiency, reduce investment outlay and save resource.
Description of drawings
Fig. 1 is the structural scheme of mechanism according to a kind of disintegrating machine of the utility model embodiment;
Fig. 2 is the schematic diagram of disintegrating machine;
Fig. 3 A and Fig. 3 B are respectively hollow tup and tup schematic surface;
Fig. 4 A, Fig. 4 B and Fig. 4 C are that short drilling rod is connected respectively, end face and schematic cross-section;
Fig. 5 A and Fig. 5 B illustrate drilling rod and the band handle flange plate that two ends have the weak point of band handle flange plate;
Fig. 6 A and Fig. 6 B illustrate the front view and the cutaway view of the flange plate of band handle;
Fig. 7 A and Fig. 7 B illustrate the cutaway view and the front view of the flange plate of not being with handle;
Fig. 8 A, Fig. 8 B and Fig. 8 C illustrate front view, right view and the A-A cutaway view of an anchor ear;
Fig. 9 A, Fig. 9 B and Fig. 9 C illustrate front view, left view and the A-A cutaway view of another anchor ear;
Figure 10 illustrates the compression spring shield that is connected with tup, main drilling rod;
Figure 11 illustrates the sectional view of the spring stack in the compression spring shield;
Figure 12 A, Figure 12 B and Figure 12 C illustrate the schematic diagram of the elbow with suspension ring device respectively;
Figure 13 A, Figure 13 B, Figure 14 A and Figure 14 B illustrate the disk that the air inlet pipe segmentation is communicated with respectively;
Figure 15 A, Figure 15 B, Figure 15 C and Figure 15 D illustrate the schematic diagram of front view, left view, vertical view and the taper valve core of the valve mechanism that the main drilling rod of air inlet pipe is connected.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.Be appreciated that structure and layout, can be applied in separately in the crushing mechanism that includes but not limited in first embodiment, describe, perhaps sell or use as an independent product for hollow tup, flange, compression spring shield, air inlet pipe.
In addition, for the hollow tup, the compression spring shield, main drilling rod, suspension ring device and air inlet pipe can constitute crushing mechanism mutually, for example has tup, the crushing mechanism of main drilling rod and air inlet pipe, has the hollow tup, main drilling rod, the crushing mechanism of suspension ring device and air inlet pipe, drilling rod with a plurality of weak points of anchor ear flange connection, the hollow tup, the crushing mechanism of air inlet pipe and suspension ring device, under instruction according to following embodiment, those skilled in the art can be to making up each function that realizes that the utility model is mentioned according to assembly of the present utility model, the various combinations of being done are included in the scope of appended claim, but the composition of crushing mechanism of the present utility model is not limited thereto according to above-mentioned part.
Fig. 1 illustrates a kind of crushing mechanism according to first embodiment of the present utility model, and as shown in Figure 1, this crushing mechanism comprises the suspension ring device, main drilling rod, air inlet pipe, compression spring shield and tup.The suspension ring device is positioned at the top of crushing mechanism, comprises suspension ring, support and steel wire rope, and stent support is at well head, steel wire rope tractive master drilling rod, and steel wire rope lifts main drilling rod by suspension ring, makes winner's drilling rod lifting.The upper end of main drilling rod is connected to elbow, is used to discharge residue liquid.Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, and the upper end of air inlet pipe connects air compressor (abbreviation air compressor machine), by air compressor machine air is pressed in the main drilling rod through air inlet pipe.Main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with tup, and described tup is a hollow, and main drilling rod, compression spring shield and tup form hollow and be communicated with, the opening arranged off-centre of this tup bottom.
In the prior art, tup generally is solid.Though also there is the tup of hollow; but the opening of this tup is usually located at the middle part, and the advantage that is arranged in the middle part is that the tup material is evenly distributed, and is stressed evenly for the hammering of tup; can protect tup preferably; but comparatively speaking, tup when hammering, narrow space; opening is positioned at the tup at middle part; make partly to be formed projection by hammering below the tup, stop up the opening of main drilling rod, and evenly hammering.For overcoming this defective, in the present embodiment, the inside of this tup comprises cavity, the rear surface welding or the riveted joint of the upper end face of tup and compression spring shield.The lower openings of the compression spring shield of tup upper opening is communicated with, and the internal diameter of tup upper opening is equal to or less than the lower openings of compression spring shield.
Further, as shown in Figure 2, the cavity of tup is divided into two chambeies in the bottom, and all less than the internal diameter of cavity, more preferably, the cross-sectional area of two openings is less than the cross-sectional area of cavity for the internal diameter of the opening in these two chambeies.Use two openings to make the pressure (suction) of hollow contact site increase, be convenient to the removing of material, required drive reduces greatly in reset procedure simultaneously.The shared volume in hollow part is little, and the shared volume in solid position is big, to not causing substantial effect with the service life of tup.In one embodiment, be appreciated that, be divided into two openings in the bottom with respect to above-mentioned tup, the cavity of tup herein can be divided into one or more opening in the bottom, these openings can be evenly or are not become the basal surface that is distributed in tup regularly, side as, form the annulus of space, form triangular shape of space or the like.These one or more openings can arranged off-centre, perhaps part arranged off-centre.These one or more openings can be circle, ellipse, rectangle or other shapes, and their shape can be consistent or inconsistent.For example, the part of these openings is circular, and another part is ellipse or rectangle.Their internal diameter also can be the same, and perhaps internal diameter is different mutually.
Fig. 3 A and 3B are respectively hollow tup and tup schematic surface, shown in Fig. 3 A and 3B, and a plurality of grooves that are interconnected of tup sole arrangement, the alloy sheets of a plurality of high rigidity of edge placement of groove or alloy projection.Arrange the alloy sheets or the alloy projection of high rigidity, can strengthen the hardness of hammering.Arrange a plurality of grooves that are interconnected, can be so that hammering impurity and fluid can not form bur at the tup basal surface.In an example, a plurality of alloy sheets of tup surface distributed are not being arranged the position cutting of alloy sheets, form to be communicated with.The shape of alloy sheets is not limited to circle, can use ellipse or rectangle, and front end preferably uses taper, and promptly the cross-sectional area of the front end of alloy sheets is less than the cross-sectional area of rear end, and the rear end is convenient to embed in the tup main body.
In actual engineering, owing to bore going deep into of hitting, the length of main drilling rod needs to adjust, and the main drilling rod of use standardization length just need carry a plurality of main drilling rods, and main drilling rod integral body need be proposed from the hammering position in engineering, and change, very not convenient in engineering is prepared and replaced.In the present embodiment, between main drilling rod and compression spring shield, can add a plurality of drilling rods that are connected with anchor ear by flange, the drilling rod of these a plurality of weak points can be installed at the upper end of main drilling rod, just the length of main drilling rod can be increased under situation about not needing main drilling rod proposition hammering position like this.According to actual hammering situation; can stop hammering at any time; the drilling rod of a plurality of weak points is attached on the main drilling rod temporarily, installs additional with respect to whole to propose for the hammering position time quite short with crushing mechanism, just saved the most time-consuming main drilling rod of proposition and the time of tup and shut down.
Use existing flange to connect and can realize being connected of short drilling rod and main drilling rod, but existing flange attended operation difficulty as described in the background art, time and effort consuming, and need suitability preferably between flange and the drilling rod.Fig. 4 A, Fig. 4 B and Fig. 4 C are that short drilling rod is connected respectively, end face and schematic cross-section, and Fig. 5 A and Fig. 5 B illustrate drilling rod and the band handle flange plate that two ends have the weak point of band handle flange plate.Shown in Fig. 4 A, 4B, 4C, 5A and 5B, in the present embodiment, short two ends of drill can shift to an earlier date the mounting flange sheet, short two ends of drill can be arranged the flange plate with handle, and arrange on the connector of this two ends of drill that not with the flange of handle, the mechanism of flange describes in detail below in conjunction with Fig. 6 A-9C.
Perhaps an end of each short drilling rod arranges that one end is arranged the flange plate of band handle not with the flange plate of handle, can realize that standardization connects.Like this, one section that a section of being connected with elbow except the upper end of main drilling rod and lower end are connected with the compression spring shield, can use two ends to be connected with the drilling rod of the weak point of flange plate.Also can adopt such flange mechanism to connect between main drilling rod and the top elbow, so just can between main drilling rod and elbow, install drilling rod arbitrarily additional.Such flange mechanism and corresponding short drilling rod convenient transportation are assembled on construction ground, adjust at any time according to degree of depth needs, make and install operational standardization additional, and be time saving and energy saving.
With reference to figure 6A-9C, a kind of flange bindiny mechanism is shown, this flange mechanism includes but not limited to be used for installing additional of above-mentioned drilling rod.This flange arrangement comprises two flange plates and two semicircle anchor ears, a slice of flange is circular, another sheet of flange is circular for the band handle, the flange with handle is not identical with external diameter with flange internal diameter except the part of handle of band handle, two flange plates respectively by predetermined fixed to two pipes that will connect, use to include but not limited to welding or riveted way.Fig. 6 A and Fig. 6 B illustrate the front view and the cutaway view of the flange plate of band handle.Its main body is an annular, and internal diameter adapts to the internal diameter of institute's connecting tube.Leave two symmetrical screws on the handle of flange body.By these two screws, an end separately of two semicircle anchor ears is connected on the flange of band handle.Fig. 7 A and Fig. 7 B illustrate the cutaway view and the front view of the flange plate of not being with handle, and the internal diameter of this flange adapts to the internal diameter of institute's connecting tube equally.Flange shape, the material of this flange and band handle are adaptive.Can leave circular hole on the annulus of the flange plate shown in Fig. 6 A, 6B and 7A, the 7B, fix so that the tracheae of the pipe fitting arranged around that connects passes flange plate.Perhaps do not leave circular hole, because the thickness of flange plate itself is not enough to influence tracheae or other pipe fittings depending on around main drilling rod.The end face of a flange has antitorque pin, and the corresponding position of another flange is fluted, prevents that the flange that is connected from laterally twisting.This antitorque pin can be the cross pin, cotter pilotage.The area of the antitorque pin front end cross section that this end face is arranged is less, and the area of rear end cross section is bigger, accordingly, the cross section of the front end of groove is bigger, and that the face of the cross section of rear end connects is less, and the easy like this flange plate that makes is aimed at easily, and can be that flange plate agrees with.In addition, groove uses circular, and promptly the cross section of front-end and back-end is identical, equals the area of the cross section of pin rear end.
Fig. 8 A, 8B, 8C and 9A, 9B, 9C illustrate two semicircle anchor ears, and wherein, Fig. 8 A, Fig. 8 B and Fig. 8 C illustrate front view, right view and the A-A cutaway view of an anchor ear; Fig. 9 A, Fig. 9 B and Fig. 9 C illustrate front view, left view and the A-A cutaway view of another anchor ear.Two semicircle anchor ears relatively are connected the connection end face of the flange of band handle by bolt, promptly by bolt two semicircle anchor ears are fixed in the screw on the handle.Two semicircle anchor ears have inside crimping in the outer rim away from the one side of the flange of band handle,, two flanges are tightened up by crimping on time at flange plate, prevent that flange from vertically moving.Crimping equals or is slightly larger than the thickness of not being with the handle flange plate apart from the distance of band handle flange plate, like this can by crimping will be with the outstanding flange containment of the flange of handle with respect to pipe fitting, tighten up towards band handle flange.At crimping when the distance of band handle flange plate is slightly larger than the thickness of not being with the handle flange plate, in order to increase the seal between the flange plate, can the placement of flexible pad between two flange plates.The ring edge of flange can be set to arc, and the bead designs of corresponding anchor ear is an arc, so that progressively fastening according to the abrasion condition that uses in use.
In addition, anchor ear also has another kind of arrangement, wherein, two semicircle anchor ears can be in upper end open, and there is cross through hole the both sides of opening, and this opening clips on the handle of the flange of being with handle, screw on this cross through hole and the handle is aimed at, and by bolt anchor ear is linked to each other with band handle flange.The width of opening is greater than the width of handle, with two flange plates fixedly the time, can connection opening and the bolt of band handle flange on, add packing ring on the left side or the right of handle, so that anchor ear can or be moved to the left, to tighten up two flange plates adaptively to the right.
As mentioned above, an end of two anchor ears is connected on the handle, and the other end of two anchor ears, an anchor ear is equipped with pin, and another anchor ear is equipped with notch, and notch and pin are complementary.After two flanges are aimed at, two anchor ears are encircled this flange plate, tighten pin, mounting flange connects.In addition as mentioned above, by adjusting the connecting bolt of two semicircle anchor ears, adjust two degrees of tightness between the flange at the flange connections of band handle.
Figure 10 illustrates the compression spring shield that is connected with the hollow tup, and Figure 11 illustrates the cross section of longitudinal spring post.As shown in figure 10, compression spring shield and tup form hollow and are communicated with, and wherein compress to have identical and the hollow tube that internal diameter is different of external diameter in the spring shield, and air inlet pipe can link to each other with the hollow tube in the compression spring shield.Main drilling rod links to each other with the fluted disc on compression spring shield top, and the bottom of compression spring shield links to each other with tup, and the tup that described compression spring shield bottom connects rotates with respect to main drilling rod by the spring rotating mechanism that comprises described fluted disc.
Further, with reference to Figure 10 and 11, the spring rotating mechanism comprises fluted disc, crossed strip dish, longitudinal spring post; Last fluted disc is positioned at the inner and upper of compression spring shield, and the upper surface of last fluted disc and main drilling rod directly weld or rivet, and the lower surface of last fluted disc is distributed with gear piece.The longitudinal spring post is connected the bottom of compression spring shield, and the crossed strip dish connect to be supported by the longitudinal spring post, and the upper surface of crossed strip dish is arranged gear piece, the gear piece on the crossed strip dish can with the gear piece interlock of last fluted disc.The diameter of last fluted disc is greater than the internal diameter of the upper opening of compression spring shield.
The lower surface riveted joint or the welding of tup and compression spring shield.The under shed internal diameter of compression spring shield is greater than the upper shed internal diameter of tup.
When hammering, lifting by main drilling rod between last fluted disc and the crossed strip dish separates, the gear piece of crossed strip dish leaves the gear piece of fluted disc, under the support of crossed strip, crossed strip coils goes up the fluted disc rotation, drives parts and the tup of compression spring shield except that last fluted disc and rotates around main drilling rod together, next gear piece interlock of the gear piece of crossed strip dish and fluted disc then, the corresponding rotation displacement of tup, when winner's drilling rod is descended, the position that hammering is different.
Have a plurality of gear pieces on the last fluted disc, gear piece is wedge or triangle, the gear piece on the crossed strip dish and the quantity correspondence of the gear piece on the fluted disc.The quantity of described gear piece is one of them in 18 to 72, makes the each lifting of winner's drilling rod can cause tup corresponding rotation 5-20 degree, and certainly, the quantity of this gear piece can increase or reduce as required, adjusts the angular dimension of tup rotation.
Further reference is as Fig. 1, and air inlet pipe is arranged in main drilling rod one side extends from top to bottom, and the upper end of air inlet pipe is connected to air compressor machine, is used for air is pressed into air inlet pipe.Air inlet pipe and main drilling rod are communicated with, and gas are pressed in the main drilling rod by air inlet pipe via air compressor machine.
Usually, air inlet pipe is attached to main drilling rod one side, in one of them position of 45-55 rice from top to bottom with stretch into main drilling rod and main drilling rod is communicated with.Through experimental verification, this position is in vertical 50 meters the position pressure maximum from top to bottom of air inlet pipe.
Above-mentioned layout is suitable for the fixed position arrangement at main drilling rod, in the hammering process, main drilling rod gradually deeply, make the positional interface place of air inlet pipe and main drilling rod can not better controlled at the pressure spot of expectation.
In the another kind of the application's air inlet pipe connected, described air inlet pipe was communicated with at main drilling rod a plurality of positions and main drilling rod from top to bottom, at the responsive valve of each connection place setting pressure.When not reaching desired pressure, pressure valve is tending towards closed condition; When reaching desired pressure point, pressure valve is opened automatically, and ventilation enters main drilling rod, makes the Pneumatic pipe cleaner of realizing desired pressure become owner of drilling rod.Wherein, the opening point of presser sensor valve is provided with 45-55 rice, more preferably, is arranged on the 5kg point, i.e. 50 meters hydraulic pressure places.
Be in operation, the downward hammering of main drilling rod, tup is broken with hammering flour, the fluid dilution of chip, impurity through feeding, enter main drilling rod by hollow tup, compression spring shield, air inlet pipe feeds gas by the position that is connected with main drilling rod, and this gas upwards promotes the liquid on connecting portion top, discharges through main drilling rod.And the liquid that can not of connecting portion bottom is affected.Like this in hammering, the liquid that the bottom will be mixed with impurity always upwards flows, gas always with the liquid in the main drilling rod to extrapolation, thereby the impurity of pulverizing is discharged, this process is carried out in hammering, and does not need special shut-down to handle discharge process.The chip that the anti-circulation of such gaslift is can be faster and better cleaner under opening a hole, because the buoyancy and the election power of air self, gaslift can just can be lifted the strength of weight with little power, and fragment is removed.
For some situation, need the main drilling rod of rotation, having problems like this is exactly the side that air inlet pipe is attached to main drilling rod, but not with main drilling rod one, the rotation of main drilling rod can make air inlet pipe and other pipe fitting that is attached to main drilling rod form winding on main drilling rod, and causes mechanical breakdown.
Figure 13 A, Figure 13 B, Figure 14 A and Figure 14 B illustrate the disk that the air inlet pipe segmentation is communicated with respectively.In the utility model, by air inlet pipe being divided into two sections, wherein, the epimere of air inlet pipe is along with main drilling rod rotates, and hypomere and main drilling rod keep not rotating.Particularly, the upper outside of main drilling rod arrange cutting respectively two and half on dish and two and half lower walls, the dish riveted is held main drilling rod tightly on two and half, two and half lower wall riveteds are held main drilling rod tightly, four and half form hollow ring between coiling.First dish and second dish press together by platen.First dish is connected with rotating disk, and rotating disk drives first dish and rotates, and enters to drive main drilling rod rotation.
Air inlet pipe is divided into two sections by the disk of riveted, and epimere links to each other with first dish, and hypomere links to each other with second dish.The gas that air inlet pipe feeds enters hollow ring by epimere, and the gas in the hollow ring flows into the hypomere of air inlet pipe.Like this, when the rotation of main drilling rod, will not influence air inlet pipe, air inlet pipe is wrapped on the main drilling rod, can also guarantee the normal ventilation of air inlet pipe.
Figure 12 A, Figure 12 B and Figure 12 C illustrate the schematic diagram of the elbow with suspension ring device respectively, and this suspension ring device is positioned at the top of crushing mechanism, are used for by support and steel wire tractive master drilling rod.Drive the hammering of hammer to the hammering thing by the suspension ring device, do the up-and-down reciprocating motion, the distance of its motion (or height) is analyzed the back decision by corresponding sensor according to the obtained data of last hammering.
In embodiment of the present utility model, various materials can be used and resistance to wear and high manganese steel or other steel of hardness.
More than total description constitute each composition of the structure of breaker, but it is understandable for those skilled in the art, breaker for specific implementation, might not need to have above-mentioned whole part, those skilled in the art can be in conjunction with specific combination the separately.In following embodiment, the various composition of breaker has been described, and for above-mentioned feature class like structure, below will not be described in detail, the embodiment of these compositions only is schematic and nonrestrictive.
In second embodiment of the present utility model, a kind of tup is provided, this tup comprises hollow chamber, hollow chamber is divided into one or more opening in the tup bottom, described one or more opening arranged off-centre.In the present embodiment, the rear surface welding or the riveted joint of the upper end face of tup and compression spring shield.The lower openings of tup upper opening and compression spring shield is communicated with, and the internal diameter of tup upper opening is equal to or less than the lower openings of compression spring shield.
As shown in Figure 2, the cavity of tup is divided into two chambeies in the bottom, and the internal diameter of the opening in these two chambeies is all less than the internal diameter of cavity.Use two openings to make the pressure of hollow contact site increase, be convenient to the removing of material, required drive reduces greatly in reset procedure simultaneously.The shared volume in hollow part is little, and the shared volume in solid position is big.In one embodiment, be appreciated that the cavity of tup can be divided into one or more opening in the bottom, these openings can be evenly or are not become the basal surface that is distributed in tup regularly.As mentioned above, these one or more openings can arranged off-centre, perhaps part arranged off-centre.These one or more openings can be circle, ellipse or rectangle, and their shape can be consistent or inconsistent.For example, the part of these openings is circular, and another part is ellipse or rectangle.Their internal diameter also can be the same, and perhaps internal diameter is different mutually.
Fig. 3 A and 3B are respectively hollow tup and tup schematic surface, shown in Fig. 3 A and 3B, and a plurality of grooves that are interconnected of tup sole arrangement, alloying pellet (point) head of a plurality of high rigidity of edge placement of groove.Arrange alloying pellet (point) head of high rigidity, can strengthen the hardness of hammering.Arrange a plurality of grooves that are interconnected, can be so that hammering impurity and fluid can not form bur at the tup basal surface.
This hollow tup can be used for crushing mechanism, and this crushing mechanism can also comprise the suspension ring device, main drilling rod, air inlet pipe, compression spring shield; Wherein, the suspension ring device is used for by support and steel wire tractive master drilling rod, and main drilling rod, compression spring shield and hollow tup form hollow and be communicated with, and main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with tup; Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine; The internal diameter of the hollow chamber of described tup is less than the internal diameter of the hollow of main drilling rod.
In the 3rd embodiment of the present utility model, as shown in Figure 1, provide a kind of tup rotating mechanism, comprising: main drilling rod, compression spring shield and hollow tup; Main drilling rod, compression spring shield and tup form hollow and are communicated with, main drilling rod links to each other with the fluted disc on compression spring shield top, the bottom of compression spring shield links to each other with tup, the opening arranged off-centre of this tup bottom, the tup that described compression spring shield bottom connects rotates with respect to main drilling rod by the spring rotating mechanism that comprises described fluted disc.
Figure 10 illustrates the compression spring shield that is connected with the hollow tup, and Figure 11 illustrates the cross section of longitudinal spring post.As shown in figure 10, compression spring shield and tup form hollow and are communicated with, and wherein compress to have identical and the hollow tube that internal diameter is different of external diameter in the spring shield, and air inlet pipe and the hollow tube that compresses in the spring shield link to each other.Main drilling rod links to each other with the fluted disc on compression spring shield top, and the bottom of compression spring shield links to each other with tup.
Further, with reference to Figure 10 and 11, the spring rotating mechanism comprises fluted disc, crossed strip dish, longitudinal spring post; Last fluted disc is positioned at the inner and upper of compression spring shield, and the upper surface of last fluted disc and main drilling rod directly weld or rivet, and the lower surface of last fluted disc is distributed with gear piece.The longitudinal spring post is connected the bottom of compression spring shield, and the crossed strip dish connect to be supported by the longitudinal spring post, and the upper surface of crossed strip dish is arranged gear piece, the gear piece on the crossed strip dish can with the gear piece interlock of last fluted disc.The diameter of last fluted disc is greater than the internal diameter of the upper opening of compression spring shield.
The lower surface riveted joint or the welding of tup and compression spring shield.The under shed internal diameter of compression spring shield is greater than the upper shed internal diameter of tup.
When hammering, lifting by main drilling rod between last fluted disc and the crossed strip dish separates, the gear piece of crossed strip dish leaves the gear piece of fluted disc, under the support of crossed strip, crossed strip coils goes up the fluted disc rotation, drives parts and the tup of compression spring shield except that last fluted disc and rotates around main drilling rod together, next gear piece interlock of the gear piece of crossed strip dish and fluted disc then, the corresponding rotation displacement of tup, when winner's drilling rod is descended, the position that hammering is different.
Have a plurality of gear pieces on the last fluted disc, gear piece is wedge or triangle, the gear piece on the crossed strip dish and the quantity correspondence of the gear piece on the fluted disc.The quantity of described gear piece is one of them in 18 to 72, makes the each lifting of winner's drilling rod can cause tup corresponding rotation 5-20 degree, and certainly, the quantity of this gear piece can increase or reduce as required, adjusts the angular dimension of tup rotation.The tup rotating mechanism also comprises air inlet pipe, and described air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine.
In the 4th embodiment of the present utility model, a kind of flange bindiny mechanism is provided, this flange arrangement comprises two flange plates and two semicircle anchor ears, a slice of flange is circular, another sheet of flange is circular for the band handle, not identical with flange internal diameter except the part of handle of band handle with external diameter with the flange of handle, two flange plates respectively by predetermined fixed to two pipes that will connect, use to include but not limited to welding or riveted way.Fig. 6 A and Fig. 6 B illustrate the front view and the cutaway view of the flange plate of band handle, and its main body is an annular, and internal diameter adapts to the internal diameter of institute's connecting tube.Leave two symmetrical screws on the handle of flange body.By these two screws, an end separately of two semicircle anchor ears is connected on the flange of band handle.Fig. 7 A and Fig. 7 B illustrate the cutaway view and the front view of the flange plate of not being with handle, and the internal diameter of this flange adapts to the internal diameter of institute's connecting tube equally.Flange shape, the material of this flange and band handle are adaptive.Can leave circular hole on the annulus of the flange plate shown in Fig. 6 A, 6B and 7A, the 7B, fix so that the tracheae of the pipe fitting arranged around that connects passes flange plate.Perhaps do not leave circular hole, because the thickness of flange plate itself is not enough to influence tracheae or other pipe fittings depending on around main drilling rod.The end face of a flange has antitorque pin, and the corresponding position of another flange is fluted, prevents that the flange that is connected from laterally twisting.This antitorque pin can be the cross pin, cotter pilotage etc.The area of the antitorque pin front end cross section that this end face is arranged is less, and the area of rear end cross section is bigger, accordingly, the cross section of the front end of groove is bigger, and that the face of the cross section of rear end connects is less, and the easy like this flange plate that makes is aimed at easily, and can be that flange plate agrees with.
Fig. 8 A, Fig. 8 B and Fig. 8 C illustrate front view, right view and the A-A cutaway view of an anchor ear; Fig. 9 A, Fig. 9 B and Fig. 9 C illustrate front view, left view and the A-A cutaway view of another anchor ear, wherein, two semicircle anchor ears relatively are connected the connection end face of the flange of band handle by bolt, that is to say by bolt two semicircle anchor ears are fixed in the screw on the handle.Two semicircle anchor ears have inside crimping in the outer rim away from the one side of the flange of band handle,, two flanges are tightened up by crimping on time at flange plate, prevent that flange from vertically moving.Crimping equals or is slightly larger than the thickness of not being with the handle flange plate apart from the distance of band handle flange plate, like this can by crimping will be with the outstanding flange containment of the flange of handle with respect to pipe fitting, tighten up towards band handle flange.At crimping when the distance of band handle flange plate is slightly larger than the thickness of not being with the handle flange plate, in order to increase the seal between the flange plate, can the placement of flexible pad between two flange plates.
In addition, anchor ear also has another kind of arrangement, wherein, two semicircle anchor ears can be in upper end open, and there is cross through hole the both sides of opening, and this opening clips on the handle of the flange of being with handle, screw on this cross through hole and the handle is aimed at, and by bolt anchor ear is linked to each other with band handle flange.The width of opening is greater than the thickness of handle, with two flange plates fixedly the time, can connection opening and the bolt of band handle flange on, add packing ring on the left side or the right of handle, so that anchor ear can or be moved to the left, to tighten up two flange plates adaptively to the right.
As mentioned above, an end of two anchor ears is connected on the handle; And the other end of two anchor ears, an anchor ear is equipped with pin, and another anchor ear is equipped with notch, and notch and pin are complementary.After two flanges are aimed at, two anchor ears are encircled this flange plate, tighten pin, mounting flange connects.In addition, by adjusting the connecting bolt of two semicircle anchor ears, adjust two degrees of tightness between the flange at the flange connections of band handle.
This flange mechanism can be used for a kind of crushing mechanism, in this crushing mechanism, uses this flange mechanism that a plurality of drilling rods are linked together, and forms main drilling rod, and wherein, this crushing mechanism comprises: suspension ring device, main drilling rod, air inlet pipe, compression spring shield, tup; The suspension ring device is used for by support and steel wire tractive master drilling rod, and described main drilling rod, compression spring shield and tup form hollow and be communicated with, and main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with tup; Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine; Described tup is a hollow, the opening arranged off-centre of this tup bottom; Also comprise one or more drilling rod that a plurality of flange mechanism is connected between described main drilling rod and the described compression spring shield.
In the 5th embodiment of the present utility model, a kind of broken assembly with air inlet pipe is provided, comprising: main drilling rod, air inlet pipe and hollow tup; The hollow tup is connected the lower end of main drilling rod, and air inlet pipe is arranged in main drilling rod one side extends from top to bottom, and the upper end of air inlet pipe is connected to air compressor machine, is used for air is pressed into air inlet pipe.Air inlet pipe and main drilling rod are communicated with, and gas are pressed in the main drilling rod by air inlet pipe via air compressor machine.
Usually, air inlet pipe is attached to main drilling rod one side, in one of them position of 45-55 rice from top to bottom with stretch into main drilling rod and main drilling rod is communicated with.Through experimental verification, this position is in vertical 50 meters the position pressure maximum from top to bottom of air inlet pipe.
Above-mentioned layout is suitable for the fixed position arrangement at main drilling rod, in the hammering process, main drilling rod gradually deeply, make the positional interface place of air inlet pipe and main drilling rod can not better controlled at the pressure spot of expectation.
In the another kind of the application's air inlet pipe connected, described air inlet pipe was communicated with at main drilling rod a plurality of positions and main drilling rod from top to bottom, at the responsive valve of each connection place setting pressure.When not reaching desired pressure, pressure valve is closed; When reaching desired pressure point, pressure valve is opened, and ventilation enters main drilling rod, makes the Pneumatic pipe cleaner of realizing desired pressure become owner of drilling rod.Wherein, the opening point of presser sensor valve is provided with 45-55 rice, more preferably, is arranged on the 5kg point, i.e. 50 meters hydraulic pressure places.
Figure 15 A-15D illustrates the valve mechanism schematic diagram between air inlet pipe and the main drilling rod.Shown in Figure 15 A-15D, Figure 15 A is a front view, Figure 15 B is a left view, Figure 15 C is a vertical view, Figure 15 D is the schematic diagram of taper valve core, and wherein, this valving comprises stage clip 005, valve body 004, taper valve core 007, O shape circle 003, air valve lead 002 and draw ring 001, stage clip, taper valve core, O shape circle, air valve lead and draw ring are arranged in the vertically aerial of valve body, and top is by the stage clip bolting.The air inlet of valve connects air inlet pipe, and the gas outlet of valve connects main drilling rod, and by the taper valve core sealing, the taper valve core upper end is pressed by stage clip and put between air inlet and the gas outlet, and stage clip is fixed in the valve body by regulating screw thread 006.The spool bottom is an O shape circle, and O shape circle connects the air valve lead, and the air valve lead connects draw ring.During use, the draw ring of can leaving behind when air inlet pipe connects is communicated with air inlet and gas outlet.When perhaps arriving predetermined pressure, stage clip flicks, and air inlet and gas outlet are communicated with.
Be in operation, the downward hammering of main drilling rod, tup is broken with hammering flour, the fluid dilution of chip, impurity through feeding, enter main drilling rod by hollow tup, compression spring shield, air inlet pipe feeds gas by the position that is connected with main drilling rod, and this gas upwards promotes the liquid on connecting portion top, discharges through main drilling rod.And the liquid that can not of connecting portion bottom is affected.Like this in hammering, the liquid that the bottom will be mixed with impurity always upwards flows, gas always with the liquid in the main drilling rod to extrapolation, thereby the impurity of pulverizing is discharged, this process is carried out in hammering, and does not need special shut-down to handle discharge process.The chip that the anti-circulation of such gaslift is can be faster and better cleaner under opening a hole, because the buoyancy and the election power of air self, gaslift can just can be lifted the strength of weight with little power, and fragment is removed.
According to the 6th embodiment of the present utility model, a kind of crushing mechanism of rotatable drilling rod is provided, comprising: main drilling rod, air inlet pipe; Wherein, air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine.The outside on the top of main drilling rod arrange cutting respectively two and half on dish and two and half lower walls, the dish riveted is held main drilling rod tightly on two and half, two and half lower wall riveteds are held main drilling rod tightly, form hollow ring between four and half dishes, air inlet pipe is divided into two sections by the disk of riveted, epimere links to each other with first dish, and hypomere links to each other with second dish, and main drilling rod rotates and air inlet pipe can be wrapped on the main drilling rod along with first coils residing rotating disk.
Wherein, first dish and second dish press together by platen.Need rotation top master's drilling rod, existing problems are exactly the side that air inlet pipe is attached to main drilling rod like this, but not with main drilling rod one, the rotation of main drilling rod can make air inlet pipe and other pipe fitting that is attached to main drilling rod form winding on main drilling rod, and causes mechanical breakdown.
In the utility model, by air inlet pipe being divided into two sections, wherein, the epimere of air inlet pipe is along with main drilling rod rotates, and hypomere and main drilling rod keep not rotating.Particularly, the upper outside of main drilling rod arrange cutting respectively two and half on dish and two and half lower walls, the dish riveted is held main drilling rod tightly on two and half, two and half lower wall riveteds are held main drilling rod tightly, four and half form hollow ring between coiling.First dish and second dish press together by platen.First dish is connected with rotating disk, and rotating disk drives first dish and rotates, and enters to drive main drilling rod rotation.
Air inlet pipe is divided into two sections by the disk of riveted, and epimere links to each other with first dish, and hypomere links to each other with second dish.The gas that air inlet pipe feeds enters hollow ring by epimere, and the gas in the hollow ring flows into the hypomere of air inlet pipe.Like this, when the rotation of main drilling rod, will not influence air inlet pipe, air inlet pipe is wrapped on the main drilling rod, can also guarantee the normal ventilation of air inlet pipe.
In the 7th embodiment of the present utility model, mechanism of the present utility model can be used for percussion drill and abrasion drill, below with the percussion drill example, a kind of percussion drill mechanism is provided, comprise the suspension ring device, main drilling rod, air inlet pipe, compression spring shield and drill hammer.The suspension ring device is positioned at the top of percussion drill mechanism, comprises suspension ring, support and steel wire rope, and stent support is at well head, steel wire rope tractive master drilling rod, and steel wire rope lifts main drilling rod by suspension ring, makes winner's drilling rod lifting.The upper end of main drilling rod is connected to elbow, is used to discharge residue liquid.Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and and the dreg-discharging rod of load master drilling rod one side be communicated with, the upper end of air inlet pipe connects air compressor (abbreviation air compressor machine), by air compressor machine air is pressed in the dreg-discharging rod through air inlet pipe.Main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with percussion drill.
The utility model can be used for applications such as the basis, oil exploitation, explosion of railway, highway, bridge, water conservancy, electric power foundation engineering, worker China Democratic National Construction Association.
The utility model can be in time discharged the soil bits and the aggregate chips that smash, compares and has improved drilling speed greatly, and drilling depth is many, drilling well timeliness height, drilling period are lacked, per unit size drilling depth cost is low, is the developing direction of modern steerable drilling.
It should be noted that at last above embodiment is only in order to describe the technical solution of the utility model rather than present technique method and application are limited.
Claims (9)
1. hollow tup, this tup comprises hollow chamber, it is characterized in that,
The hollow chamber of described tup is divided into one or more opening at the tup basal surface, described one or more opening arranged off-centre.
2. hollow tup according to claim 1 is characterized in that, described one or more opening is circle, ellipse or rectangle.
3. hollow tup according to claim 1 is characterized in that the internal diameter of described opening is less than the internal diameter of hollow chamber.
4. hollow tup according to claim 3 is characterized in that, total cross-sectional area of described one or more opening is less than the cross-sectional area of described hollow chamber.
5. hollow tup according to claim 1 is characterized in that, described one or more opening is distributed in the basal surface of tup equably or unevenly.
6. hollow tup according to claim 1 is characterized in that, a plurality of grooves that are interconnected of the sole arrangement of described tup.
7. hollow tup according to claim 6 is characterized in that, the alloy plectane of a plurality of high rigidity of edge placement of described groove.
8. hollow tup according to claim 1 is characterized in that, the basal surface of described tup a plurality of alloy plectanes that distribute are not being arranged the position cutting of alloy plectane, forms to be communicated with.
9. have the crushing mechanism of one of them hollow tup of claim 1 to 8, described crushing mechanism comprises the suspension ring device, main drilling rod, air inlet pipe, compression spring shield;
It is characterized in that the suspension ring device is used for by support and steel wire tractive master drilling rod, described main drilling rod, compression spring shield and hollow tup form hollow and are communicated with, and main drilling rod links to each other with the top of compression spring shield, and the bottom of compression spring shield links to each other with tup; Air inlet pipe is attached to main drilling rod one side extends from top to bottom, and is communicated with main drilling rod, gas is pressed in the main drilling rod by air inlet pipe via air compressor machine; The internal diameter of the hollow chamber of described tup is less than the internal diameter of the hollow of main drilling rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206433494U CN202037010U (en) | 2010-12-01 | 2010-12-01 | Hollow hammerhead and crusher comprising same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206433494U CN202037010U (en) | 2010-12-01 | 2010-12-01 | Hollow hammerhead and crusher comprising same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202037010U true CN202037010U (en) | 2011-11-16 |
Family
ID=44964476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010206433494U Expired - Fee Related CN202037010U (en) | 2010-12-01 | 2010-12-01 | Hollow hammerhead and crusher comprising same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202037010U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094581A (en) * | 2010-12-01 | 2011-06-15 | 卢丹 | Hammer |
-
2010
- 2010-12-01 CN CN2010206433494U patent/CN202037010U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094581A (en) * | 2010-12-01 | 2011-06-15 | 卢丹 | Hammer |
CN102094581B (en) * | 2010-12-01 | 2014-09-17 | 卢丹 | Hammer |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202108413U (en) | Crushing mechanism | |
CN107042134A (en) | A kind of underground mining mobile crushing plant | |
CN208482548U (en) | Impact breaker | |
CN202039769U (en) | Crushing mechanism with air inlet pipe | |
CN202073503U (en) | A flange mechanism and a crushing mechanism containing the same | |
CN202117555U (en) | Hammer head rotation mechanism | |
CN111119726A (en) | Annular cluster formula down-the-hole hammer | |
CN202152632U (en) | Drilling mechanism | |
CN202037010U (en) | Hollow hammerhead and crusher comprising same | |
CN209576814U (en) | It is a kind of for producing the multicylinder hydraulic spindle breaker of sandstone aggregate | |
CN102116133B (en) | Flange mechanism | |
CN202039768U (en) | Crushing mechanism for rotatable drill pipe | |
CN102094575B (en) | Breaking mechanism with rotatable drill rod | |
CN110523481A (en) | For fine grinding and the tower mill of Ultrafine Grinding | |
CN102094576B (en) | Crushing mechanism | |
CN102155150B (en) | Crushing mechanism with gas inlet pipe | |
CN114412361A (en) | Ultrasonic vibration steel shot jet impact auxiliary drilling system and method | |
CN102094581B (en) | Hammer | |
CN102155159B (en) | Hammer rotating mechanism | |
CN102094578B (en) | Drilling mechanism | |
CN2267858Y (en) | high-efficiency stirring tower type mill | |
CN206008805U (en) | Single-cylinder hydraulic cone crusher | |
CN205008042U (en) | Hammer crusher hammer sieve clearance adjustment device | |
CN202105685U (en) | Hydraulic support and grate plate frame device of single-stage hammer crusher | |
CN206008806U (en) | Multicylinder hydraulic spindle formula disintegrating machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20151201 |
|
EXPY | Termination of patent right or utility model |