CN208885223U - A kind of ice core drilling tool - Google Patents

Abstract

The utility model discloses a kind of ice core drilling tool, is related to polar region environment drilling tool technical field.Ice core drilling tool includes driving assembly, further includes inner housing, and inner housing is connect with driving assembly, and the accommodation space of lower ending opening is formed inside inner housing；Cutter head portion, its bottom end for being detachably connected on inner housing, and be arranged around the opening of accommodation space, the drill for forming ice core sample is provided on the lateral wall in cutter head portion, be provided on the inner sidewall in cutter head portion can pop up take skates, take skates for cutting off ice core sample.The utility model proposes ice core drilling tool, can disposably drill through the biggish ice core sample of volume, take ice more efficient, structurally reasonable, high reliablity.

Description

A kind of ice core drilling tool

Technical field

The utility model relates to polar region environment drilling tool technical field more particularly to a kind of ice core drilling tools.

Background technique

Drilling through ice core sample is component part important in polar science research work, although China has been developed that deep ice The corresponding drilling tools such as core drilling machine, hot water bore and subglacial basement rock bores, but do not carry out also for the work of the ice core sampling of South Pole indigo plant ice formation. The ice of South Pole indigo plant ice formation be by special topography and geomorphology, climatic environment and glacier flow etc. specific factors cause, density, hardness and Brittleness is larger；Due to the specific physical property of blue ice, the ice core diameter drilled through is smaller, is more easily broken.

In the prior art, the ice core diameter that ice layer of polar region core bit drills through is smaller, and most of ice core diameter is in 110mm Within.If want to obtain same amount sample, it is necessary to repeatedly be drilled through or be increased drilling depth, take ice low efficiency；Due to boring The ice core diameter taken is bigger, and ice core sample is more difficult to cut, and the ice core of acquisition is also difficult to extract from drilling.

Utility model content

In view of the above-mentioned problems, can disposably drill through the biggish ice core of volume the utility model proposes a kind of ice core drilling tool Sample takes ice more efficient, structurally reasonable, high reliablity.

The utility model uses following technical scheme:

A kind of ice core drilling tool, including driving assembly, further includes:

Inner housing, inner housing are connect with driving assembly, and the accommodation space of lower ending opening is formed inside inner housing；

Cutter head portion is detachably connected on the bottom end of inner housing, and is arranged around the opening of accommodation space, outside cutter head portion The drill for forming ice core sample is provided on side wall, be provided on the inner sidewall in cutter head portion can pop up take skates, take Skates are for cutting off ice core sample.

As a kind of preferred embodiment of the utility model, cutter head portion further includes tool tip, the bottom end of tool tip and inner housing Be detachably connected, it is more that drill is provided at circumferentially spaced along tool tip bottom, every blade drill horizontal by being obliquely installed, More take skates to be arranged at intervals in tool tip internal side wall.

As a kind of preferred embodiment of the utility model, holding tank is offered in tool tip internal side wall, skates is taken to rotate It is set in holding tank, the both ends of spring, which are separately connected, takes skates and holding tank.

As a kind of preferred embodiment of the utility model, taking skates includes the first cutter head and the second knife in angle setting Head, the length that the first cutter head can stretch out tool tip inner sidewall, which is greater than the second cutter head, can stretch out the length of tool tip inner sidewall, when the When one cutter head stretches out, the second cutter head is pushed against holding tank slot bottom.

As a kind of preferred embodiment of the utility model, inner housing includes interior rotating cylinder in a tubular form and along interior rotating cylinder outer wall week To multiple helical blades of setting, the accommodation space of lower ending opening, the bottom end and drill top of helical blade are formed inside interior rotating cylinder End connection.

Further include support device as a kind of preferred embodiment of the utility model, both ends be separately connected driving assembly and Inner housing, support device inside form cavity and are connected with accommodation space.

As a kind of preferred embodiment of the utility model, support device includes drive disk, forms cavity simultaneously inside drive disk It is connected with accommodation space, drive disk side wall offers multiple intercommunicating pores.

It further include shell and anti-twisted device as a kind of preferred embodiment of the utility model, shell is located at driving assembly Outside, anti-twisted device are connect with driving assembly, anti-twisted device can be pushed against on the side wall for forming drilling after ice face is cut to prevent Only driving assembly rotates.

As a kind of preferred embodiment of the utility model, anti-twisted device include knob, threaded post, sliding block, multiple supporting pins, Multiple elastic slices and multiple positioning pins, threaded post are fixed on the top of outer housing, and knob is threadedly coupled with threaded post and with movable slider Threadingly column is mobile, and one end of each positioning pin is connect with sliding block and the top of the other end and outer housing connects, and is arranged on sliding block Have multiple supporting pins, the bottom end of outer housing is correspondingly arranged on multiple supporting pins, the both ends of each elastic slice respectively with the branch on sliding block Support sells supporting pin corresponding with the bottom end of outer housing and is rotatably connected.

As a kind of preferred embodiment of the utility model, circumferentially projection is there are three support portion for sliding block, on each support portion It is provided with a supporting pin, the bottom end of outer housing is correspondingly arranged that there are three supporting pins.

The utility model has the following beneficial effects:

The utility model proposes a kind of ice core drilling tool, by interior enclosure interior formed lower ending opening accommodation space, The ice core sample for enabling to cutting to be formed is contained in accommodation space；By the bottom that the disassembly of cutter head portion is fixed on to inner housing End facilitates so that can remove cutter head portion after ice core sample formation and takes out the ice core sample in accommodation space；Take skates It can pop up, the ice core sample in accommodation space is truncated, molding ice core sample can take out out of ice face with ice core drilling tool. This structure setting can disposably drill through the bigger ice core sample of volume, take ice more efficient, structurally reasonable, high reliablity.

Detailed description of the invention

Fig. 1 is the revolved sectional view of ice core drilling tool provided by the utility model；

Fig. 2 is the revolved sectional view of support device provided by the utility model；

Fig. 3 is the structural schematic diagram in cutter head portion provided by the utility model；

Fig. 4 is to take skates to be in the partial sectional view under the first working condition in Fig. 2；

Fig. 5 is to take skates to be in the partial sectional view under the second working condition in Fig. 2；

Fig. 6 is the schematic illustration that the first working condition takes skates to rotate into the second working condition conversion process；

Fig. 7 is the structural schematic diagram of anti-twisted device provided by the utility model.

In figure:

1, driving assembly；11, motor；12, gearbox；

2, inner housing；21, accommodation space；22, helical blade；23, interior rotating cylinder；

3, support device；31, cavity；32, shell support plate；33, inner housing support plate；34, drive disk；341, it is connected to Hole；35, plane bearing；

4, cutter head portion；41, drill；42, skates are taken；421, the first cutter head；422, the second cutter head；423, spring；43, cutter head Seat connection ring；44, tool tip；441, holding tank；45, gasket；

5, shell；

6, anti-twisted device；61, knob；62, threaded post；63, sliding block；64, supporting pin；65, elastic slice；66, positioning pin.

Specific embodiment

The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer, It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts The range of type protection.

In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu It is fixed " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Fig. 1 is the revolved sectional view of ice core drilling tool provided by the utility model, as shown in Figure 1, ice core drilling tool mainly includes Driving assembly 1, support device 3, inner housing 2 and the cutter head portion 4 from top to bottom set gradually.The ice core drilling tool is integrally in cylinder Shape, when in use, ice core drilling tool is moved downward perpendicular to ice face, the rotation cutting ice face of cutter head portion 4 is to form ice core sample, directly To the ice core sample for obtaining suitable volumes, then by ice core drilling tool and the ice core sample that is contained in ice core drilling tool, out of ice sheet It takes out in portion.

Specifically, driving assembly 1 is power source, provides the driving force for drilling through ice core sample, inner housing 2 is for accommodating ice core Sample and ice bits, the both ends of support device 3 are separately connected driving assembly 1 and inner housing 2, and the torque that driving assembly 1 is exported passes Inner housing 2 is passed, the bottom end of inner housing 2 is removably connected with cutter head portion 4, and cutter head portion 4 is for cutting ice face so that ice core sample Product molding, while ice core sample can be cut off.Ice core sample be cut off after, by entire ice core drilling tool carry ice core sample and Ice bits take out out of ice face, then cutter head portion 4 is disassembled from inner housing 2, can be by the ice core sample and ice in inner housing 2 Bits take out.By this structure setting, the ice core drilled through can be accommodated in the inner in shell 2, can disposably be drilled through, and not have to divide more It is secondary to drill through, while can make to drill through the ice core being relatively large in diameter by the size of setting inner housing 2, ice bits are also accommodated at interior In shell 2, take ice more efficient, structurally reasonable, high reliablity；Cutter head portion 4 can not only cut ice face so that ice core sample Molding, moreover it is possible to cut off the ice core sample in inner housing 2, so that ice core sample is easier to be cut and extract from drilling.

Specifically, as shown in Figure 1, driving assembly 1 includes motor 11 interconnected and gearbox 12, belong to this field Conventional arrangement, details are not described herein.Shell 5 is located at 1 outside of driving assembly, for protecting internal motor 11 and gearbox 1.

Further, the inside of inner housing 2 forms the accommodation space 21 of lower ending opening, and 2 lateral wall of inner housing in Fig. 1 On be provided with helical blade 22, the direction of rotation of helical blade 22 from bottom to top, can cut cutter head portion 4 below ice core drilling tool The ice of generation is considered to be worth doing, is transported from bottom to top along the rotation direction of helical blade 22, until transporting at support device 3.

It is connected between inner housing 2 and driving assembly 1 by support device 3, Fig. 2 is support device provided by the utility model 3 revolved sectional view, it can be seen in fig. 2 that support device 3 includes shell support plate 32, inner housing support plate 33,34 and of drive disk Plane bearing 35, formed inside drive disk 34 cavity 31 and with the conducting of accommodation space 21 inner housing 2 inside.Complex chart 1 and Fig. 2 It is found that plane bearing 35 is set in drive disk 34, shell support plate 32 is installed inside drive disk 34, shell support plate 32 with Shell 5 connects, and shell 5 is fixed, therefore shell support plate 32 is fixed；The output end of gearbox 12 is supported across shell Disk 32 and plane bearing 35 connect drive disk 34 by spline, and inner housing support plate 33 connects with drive disk 34 and inner housing 2 respectively It connects.Therefore, the rotation of the output end of gearbox 12 drives drive disk 34 to rotate, and drive disk 34 drives 33 turns of inner housing support plate Dynamic, inner housing support plate 33 drives inner housing 2 to rotate.By the way that plane bearing 35 is arranged, so that relatively fixed motionless shell branch Frictional force is smaller between support plate 32 and the drive disk 34 relatively rotated, rotates more smooth.

Further, as shown in Figure 2, the openning shape structure that the lower end of drive disk 34 is diametrically gradually increased, drive disk 34 inside forms cavity 31.Specifically, the side wall of drive disk 34 includes divergent segment and straight pipe, wherein straight pipe and lower section Accommodation space 21 is connected, and multiple intercommunicating pores 341 are offered on divergent segment, and ice bits can enter cavity 31 by multiple intercommunicating pores 341 It is interior, it falls and is contained in accommodation space 21.

Specifically, inner housing 2 includes interior rotating cylinder 23 in a tubular form and the multiple spirals being circumferentially arranged along interior 23 outer wall of rotating cylinder Blade 22 forms the accommodation space 21 of lower ending opening inside interior rotating cylinder 23.Accommodation space 21 is cylindrical, the cavity 31 with top Connection, the size of 21 diameter of accommodation space correspond to the diameter dimension after ice core sample formation, the ice core sample that can be drilled through as needed The diameter of product can select the inner housing 2 without diameter dimension.Meanwhile accommodation space 21 corresponds to ice along the size of short transverse 21 short transverse of accommodation space is sized to much larger than ice core sample by the length dimension after core sample formation, the utility model Product length dimension after molding, so that the bottom of accommodation space 21 can accommodate ice core sample, other empty in drilling operation Interior to can be used for filling ice bits, this set makes the overall structure of inner housing 2 more reasonable, so that the row of entire ice core drilling tool Bits are more easier.

Further, Fig. 3 is the structural schematic diagram in cutter head portion provided by the utility model, as shown in figure 3, cutter head portion 4 is main To include more for making the drill 41 of ice core sample formation and more skates 42 are taken for cut off ice core sample, further include being in The tool tip connection ring 43 of tubulose and tool tip 44 in a tubular form.Wherein, in order to realize that cutter head portion 4 is detachably connected on inner housing 2 bottom end is provided with tool tip connection ring 43, and tool tip connection ring 43 is whole annular in shape, on the side wall of tool tip connection ring 43 Be provided with multiple groups for engaging groove, be provided with threaded hole in each groove, therefore tool tip connection ring 43 can be with inner casing The bottom end of body 2 is engaged by groove, and fixation is bolted.

It is anticipated that ground is, the preferably above-mentioned detachable structure of the utility model, but be not specifically limited, as long as can be real The structure that existing cutter head portion 4 and the bottom end of inner housing 2 are detachably connected, it is within the protection scope of the present utility model.Further, Tool tip 44 and tool tip connection ring 43 are equally using the form being detachably connected, and details are not described herein.Tool tip 44 in a tubular form, In the bottom of the side wall of tool tip 44, circumferentially spaced setting is more drill 41, is provided with 3 in Fig. 3, every knife drill 41 Sword is horizontal by being obliquely installed.Further, in order to which drill 41 is more rationally more stably mounted in tool tip 44 by more, Every gasket 45 is additionally provided between drill 41 and tool tip 44, as shown in Figure 3.It is anticipated that ground is, the utility model It is provided with 3 circumferential direction drill 41,3 drill 41 in tool tip 44 altogether to be arranged in uniform intervals, i.e., adjacent two drills 41 Between angle be 120 degree, in the present invention not limit drill 41 quantity, do not limit the setting position of drill 41 yet It sets, as long as being provided with more drill 41, and every blade drill 41 is horizontal by being obliquely installed, in the utility model In protection scope.

Specifically, it since tool tip 44 is tubular, drives drill 41 to rotate when tool tip 44 rotates, cuts ice face, it is more The cutting track that drill 41 is formed is circle, and the ice core sample that round cutting track middle section is formed is cylindrical body, is cut Cut the lower section that molding ice core sample is accommodated in accommodation space 21；Every blade drill 41 horizontal by being obliquely installed, The ice bits that cutting is formed will be delivered up under the guiding on inclined-plane.Meanwhile cutter head portion 4 is connect with inner housing 2, and in inner housing 2 Multiple helical blades 22 that interior 23 outer wall of rotating cylinder is circumferentially arranged, each helical blade 22 is corresponding and is obliquely installed the end of drill 41 End connection.Cutting formed ice bits is transmitted on helical blade 22 by drill 41, helical blade 22 rotation drive ice bits continue to Upper movement, until moving in the space in 34 outside of drive disk, the multiple intercommunicating pores 341 opened up from the divergent segment of drive disk 34 It into cavity 31, falls, and is contained in accommodation space 21 from the top of accommodation space 21, is i.e. the lower section of accommodation space 21 The ice core sample constantly formed is accommodated, top constantly falls the ice to be formed bits, therefore ice bits are covered on ice core sample.

Further, it against the continuous progress of cutting, is cut into type and is contained in the ice core of the lower section of accommodation space 21 The length of sample is continuously increased, and when reaching preset length, needs to cut off in ice core sample, therefore be provided with and take skates 42.

Further, Fig. 4 is to take skates 42 to be in the partial sectional view under the first working condition in Fig. 2, such as Fig. 4 institute Show, in 44 internal side wall of tool tip, offers multiple holding tanks 441, corresponding receiving one takes ice in each holding tank 441 Knife 42, as shown in figure 4, being opened up in 44 internal side wall of tool tip there are three holding tank 441, corresponding setting three altogether takes skates 42. Rotatably setting is preferably shaft, and shaft, which passes through, takes skates 42 to be arranged in holding tank 441.Specifically, taking skates 42 includes being in The first cutter head 421 and the second cutter head 422 of angle setting, the length that the first cutter head 421 can stretch out 44 internal side wall of tool tip are big The length of 44 internal side wall of tool tip can be stretched out in the second cutter head 422, i.e. the first cutter head 421 and the second cutter head 422 are set in angle It sets.It takes and is additionally provided with mounting base on skates 42, one end of spring 423 is fixed in tool tip 44 by mounting base, and the other end is solid It is scheduled in holding tank 441.Further, mounting base is positioned close at the position of the first cutter head 421.

Spring 423 is in compressive state in normal state, i.e. spring 423 is provided towards 44 internal direction of tool tip Power, therefore it is pop-up that skates 42 are taken under normality.Fig. 5 is to take skates 42 to be in the partial cutaway under the second working condition in Fig. 2 View, as shown in figure 5, spring 423 provides elastic force, so that the first cutter head 421 pops up, the second cutter head 422 is pushed against holding tank On 441 bottom wall.

So-called first working condition corresponds to working condition when ice core drilling tool drills down to ice core sample, such as institute in Fig. 4 Show, since the length of the ice core sample of cylindrical shape is constantly elongated, the periphery of ice core sample be contained in tool tip 44 and In accommodation space 21, therefore the periphery of ice core sample can be pushed against on the second cutter head 422, so that taking skates 42 around shaft Rotation forms the first working condition in Fig. 4.At this point, spring 423 is further compressed, the second cutter head 422 is connected to ice core On the periphery of sample, since the blade of the second cutter head 422 is smaller, the periphery of ice core sample can't be caused very big It influences.

So-called second working condition corresponds to working condition when needing to cut off after ice core sample drills through, such as institute in Fig. 5 Show, at this point, entire ice core drilling tool is proposed a certain distance upwards, since spring 423 is in confined state, is bored in entire ice core When tool no longer drills down to, the elastic force of spring 423, which will push, takes skates 42 to rotate, i.e., so that the first cutter head 421 gradually pops up, this When tool tip 44 continued to rotate under the action of driving force, the first cutter head 421 for gradually popping up can be inside cutter headstock 44 Ice core sample, until the first pop-up completely of cutter head 421, the second cutter head 422 is pushed against on the bottom wall of holding tank 441, i.e., such as Fig. 5 institute The state shown.The first cutter head 421 will be cut into the deep cutting groove of a circle on ice core sample circumference face at this time, so that ice core sample It is cut off.

After ice core sample is cut off by the first cutter head 421, since the first cutter head 421 is still in the state of pop-up, and Two cutter heads 422 are pushed against on the bottom wall of holding tank 441, and ice core drilling tool at this time stops operating, the bottom of cut-off ice core sample Face is connected on the first cutter head 421, and the weight of ice core sample and ice bits in entire accommodation space 21 is pressed in the first cutter head 421 On, and the second cutter head 422 is pushed against on the bottom wall of holding tank 441, therefore ice core sample and ice bits in entire accommodation space 21 Weight being capable of carried.

Fig. 6 is the schematic illustration that the first working condition takes skates to rotate into the second working condition conversion process, such as Fig. 6 Shown to correspond to the state for taking skates 42 to be in Fig. 4, ice core drilling tool has been completed drilling through for ice core sample, driving group at this time Part 1 stops operating, it is envisaged that ground be cut at this time the bottom of the ice core sample of formation still be connected to inside ice face, cut The ontology for cutting the ice core sample to be formed is contained in inside accommodation space 21 and cutter headstock 44.In cutting process, due to Two cutter heads 422 can also rotate under driving and as entire ice core drilling tool moves downward, therefore the second cutter head 422 is bound in ice A slot is formed on the side wall of core sample, the point of a knife of the second cutter head 422 can be stuck in inside this slot, as Fig. 6 section line indicates Ice core sample.After the completion of cutting, entire cutter head portion 4 is no longer rotated, and entire ice core drilling tool is mentioned upwards, ice core sample at this time Product be it is motionless, the point of a knife of the second cutter head 422 can be stuck in the inside of slot, during entire ice core drilling tool is mentioned upwards, due to It takes skates 42 that can rotate along axis, therefore takes skates 42 can be using the point of a knife of the second cutter head 422 as fulcrum, to take skates 42 Axis be flipped up, direction as indicated by the arrows in fig. 6 takes skates 42 to rotate counterclockwise.Not with entire ice core drilling tool Disconnected ground mentions upwards, takes skates 42 to do the angle rotated counterclockwise and constantly increases, the first cutter head 421 is understood some and is gradually pressed into The inside of ice core sample side wall.Skates 42 are taken to continue to rotate, until the second cutter head 422 is pushed against on the bottom wall of holding tank 441, Even if real mentioning ice core drilling tool upwards, entirely take skates 42 that will not be rotated further by, forms and take skates 42 as shown in Figure 5 State.At this point, the first cutter head 421 some be pressed into the inside of ice core sample side wall, then make driving assembly 1 start turn Dynamic, drive takes the first cutter head 421 of skates 42 to cut ice core sample side wall, will be cut into one on ice core sample circumference face Deep cutting groove is enclosed, so that ice core sample is cut off.

Ice core sample inside accommodation space 21 and cutter headstock 44, bottom by taking skates 42 to hold, user this When entire ice core drilling tool can be mentioned upwards, by ice core sample and ice bits take out；Skates 42 and tool tip connection ring 43 will be taken again Junction disassembles, or tool tip connection ring 43 and the bottom end of inner housing 2 are disassembled, preferably tool tip connection ring 43 with It dismantles the bottom end of inner housing 2, so that it may take out ice core sample from the bottom end of inner housing 2, after ice core sample takes out, ice bits also can It marks simultaneously.

It is anticipated that ground is, the utility model is mobile to take 42,6, skates to take skates 42 in tool tip 44 provided with 6 The circumferential direction of wall is arranged in uniform intervals, i.e., adjacent two angles taken between skates 42 are 60 degree.In the present invention simultaneously The quantity for taking skates 42 is not limited, does not limit the setting position for taking skates 42 yet, as long as being provided with more takes skates 42, takes skates 42 are not only used to cut off ice core sample, but also can carry the structure setting of the ice core sample after cutting, in the guarantor of the utility model It protects in range.

From the analysis above, we can see that entire cutter head portion 4 and inner housing 2 and support device 3 is reasonable in design, structure is reliable, Effectively cutting can not only be carried out to ice sheet and forms ice core sample, and ice core sample energy one-pass molding, be relatively large in diameter, while ice Bits can also be effectively discharged out, and not influence the work of entire ice core drilling tool；Cutter head portion 4 can also be easily by internal ice simultaneously The cutting of core sample, and it is able to bear the weight of entire ice core sample and ice bits；After entire ice core drilling tool is taken out, facilitate ice core Sample takes out from inside, takes ice more efficient.

Further, it gradually to be moved to the inside of ice sheet during drilling through ice core sample due to entire ice core drilling tool It is dynamic, enter ice core drilling tool drill through to be formed get into the cave in.It is anticipated that ground is, when entire drilling tool, which enters, gets into the cave interior, due to whole Inner housing 2, support device 3 and the cutter head portion 4 of a drilling tool are all rotating, it is easy to so that entire drilling tool is also with rotation.If Drilling tool also rotates in getting into the cave, then the movement of entire drilling tool, by loss of stability, operating efficiency is low.In order to solve above-mentioned ask Topic, it is also necessary to for be arranged in get into the cave in prevent the device of entire drilling tool torsion.

Specifically, the utility model is additionally provided with anti-twisted device 6, and anti-twisted device 6 is located on 5 body of shell, can will be whole In a ice core drilling tool is secured firmly to get into the cave, so that ice core drill body does not relatively rotate, stability and operation effect are improved Rate.

Specifically, anti-twisted device 6 includes knob 61, threaded post 62, sliding block 63, multiple supporting pins 64,65 and of multiple elastic slices Multiple positioning pins 66.Fig. 7 is the structural schematic diagram of anti-twisted device provided by the utility model, as it can be seen that spiral shell in complex chart 7 and Fig. 1 Line column 62 is fixed on the top of 5 body of shell, and knob 61 is threadedly coupled with threaded post 62 and threadingly column 62 is mobile with movable slider 63, One end of each positioning pin 66 is connect with sliding block 63, and the other end of each positioning pin 66 is connect with the top of 5 body of shell；Sliding block Multiple supporting pins 64 are provided on 63, the bottom end of 5 body of shell is correspondingly arranged on multiple supporting pins 64, the both ends point of each elastic slice 65 Supporting pin 64 not corresponding with the bottom end of 5 body of supporting pin 64 and shell on sliding block 63 is rotatably connected, and preferably elastic slice 65 is gold Belong to material, structural strength is high.

Specifically, as shown in fig. 7, there are three the positioning pin 66 of the utility model, elastic slice 65 be respectively provided with, supporting pin 64 is corresponding There are six settings.Wherein, circumferentially there are three support portion, the angle between two neighboring support portion is 120 degree to sliding block 63 for projection, It is provided with a supporting pin 64 on each support portion, the bottom end of 5 body of shell is correspondingly arranged that there are three supporting pins 64, so that each bullet Supporting pin 64 corresponding with the bottom end of 5 body of supporting pin 64 and shell on sliding block 63 is rotatably connected respectively at the both ends of piece 65.

In actual use, after ice core drilling tool, which enters, gets into the cave interior, user is by turning knob 61, so that rotation Button 61 is moved downward along threaded post 62, and band movable slider 63 is moved downward along threaded post 62, when sliding block 63 moves downward, by In the bottom end of 5 body of shell, corresponding supporting pin 64 is fixed, and the supporting pin 64 on sliding block 63 moves downward, because This elastic slice 65 can deformation occurs, i.e., elastic slice 65 can be bent outwardly, and knob 61 moves downward more, and elastic slice 65 can be bent outwardly Degree it is bigger.When elastic slice 65 can be bent outwardly, elastic slice 65 can be connected on the interior survey wall got into the cave, and elastic slice 65 can be bent outwardly Degree it is bigger, the power being connected on the interior survey wall got into the cave is bigger, plays the role of support, so that entire ice core drilling tool is tight Tightly it is fixed on get into the cave internal motionless, raising stability and operating efficiency.

The utility model proposes a kind of ice core drilling tool the course of work are as follows:

(1) preparation stage

It adjusts the drill 41 in cutter head portion 4 and takes the position of skates 42, it is rationally reliable whether detection all parts are installed, and adjusts Anti-twisted device 6, so that multiple elastic slices 65 are shunk.

(2) ice core sample formation stages

The rotation of driving assembly 1 provides the driving force for drilling through ice core sample, band movable support device 3 and then drive 2 bottom of inner housing The cutter head portion 4 in portion rotates, and cutting ice face, ice face are formed by cutting and got into the cave downwards in cutter head portion 4, and entire drilling tool progresses into drilling Interior, cutter head portion 4 is cut so that ice core sample gradually forms, and is contained in the bottom of accommodation space 21.It is produced in cutting process Raw ice bits, are transmitted to multiple helical blades that interior 23 outer wall of rotating cylinder is circumferentially arranged by more sloping portions drill 41 upwards 22, multiple rotations of helical blade 22 are communicated up ice bits, until ice bits enter until moving to the space in 34 outside of drive disk Interior, the multiple intercommunicating pores 341 opened up from the divergent segment of drive disk 34 enter in cavity 31, fall from the top of accommodation space 21 It falls, and is contained in accommodation space 21.The lower section of accommodation space 21 accommodates the ice core sample constantly formed at this time, and top is not broken Fall the ice to be formed bits.

When tool part enters in drilling, the knob 61 on anti-twisted device 6 can be rotated, so that multiple elastic slices 65 are outside Bending is connected on the interior survey wall got into the cave so that entire ice core drilling tool be held firmly against get into the cave it is internal motionless.

(3) ice core sample cuts the stage

When the ice core sample length in accommodation space 21 reaches preset value, entire drilling tool stops cutting downwards, by drilling tool A small distance is mentioned upwards, so that the first cutter head 421 gradually pops up, tool tip 44 continues to rotate under the action of driving force, The ice core sample inside the first cutter head 421 meeting cutter headstock 44 gradually popped up, will be cut into one on ice core sample circumference face Deep cutting groove is enclosed, until ice core sample is cut off.

(4) ice core sample takes out the stage

Rotating the knob 61 on anti-twisted device 6 retracts elastic slice 65, and the second cutter head 422 is pushed against the bottom of holding tank 441 The weight that ice core sample and ice bits are carried on wall, by entire ice core drilling tool from middle taking-up of getting into the cave, by tool tip connection ring 43 with The bottom end of inner housing 2 disassembles, and ice core sample is taken out from the bottom end of inner housing 2, and after ice core sample takes out, ice bits also can be same When mark, complete one action process.

In conclusion the utility model proposes the ice core sample volume that disposably drills through of ice core drilling tool it is larger, take ice to imitate Rate is higher, structurally reasonable, high reliablity, and ice core sample is easier to be cut and extract from drilling.In actual use, The ice core sample that can obtain diameter at least 250mm, can be drilled through by being equivalent to drilling tool in the prior art by least 2 times of sample diameter More than, performance greatly improves.

Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting Understand, the utility model is not limited to specific embodiment here, is able to carry out for a person skilled in the art various apparent Variation is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by above embodiments to this Utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from this reality It can also include more other equivalent embodiments in the case where with novel design, and the scope of the utility model is by appended power Sharp claimed range determines.

Claims (10)

1. a kind of ice core drilling tool, including driving assembly (1), which is characterized in that further include:

Inner housing (2), the inner housing (2) connect with the driving component (1), form lower end inside the inner housing (2) and open The accommodation space (21) of mouth；

Cutter head portion (4) is detachably connected on the bottom end of the inner housing (2), and the opening around the accommodation space (21) It is arranged, the drill (41) for forming ice core sample is provided on the lateral wall of the cutter head portion (4), the cutter head portion (4) Taking skates (42) of can popping up is provided on inner sidewall, it is described to take skates (42) for cutting off the ice core sample.

2. ice core drilling tool according to claim 1, which is characterized in that the cutter head portion (4) further includes tool tip (44), institute State tool tip (44) and the bottom end of the inner housing (2) be detachably connected, it is more the drill (41) along the tool tip (44) Bottom is provided at circumferentially spaced, and every blade the drill (41) takes skates (42) horizontal by being obliquely installed described in more handles It is arranged at intervals in the tool tip (44) internal side wall.

3. ice core drilling tool according to claim 2, which is characterized in that offer appearance in tool tip (44) internal side wall It receives slot (441), described that skates (42) is taken to be rotatably dispose in the holding tank (441), the both ends of spring (423) are separately connected institute It states and takes skates (42) and the holding tank (441).

4. ice core drilling tool according to claim 3, which is characterized in that described to take skates (42) include the in angle setting One cutter head (421) and the second cutter head (422), first cutter head (421) can stretch out the length of the tool tip (44) inner sidewall Greater than the length that second cutter head (422) can stretch out the tool tip (44) inner sidewall, when first cutter head (421) is stretched out When, second cutter head (422) is pushed against the holding tank (441) slot bottom.

5. ice core drilling tool according to claim 1, which is characterized in that the inner housing (2) includes interior rotating cylinder in a tubular form (23) under and being formed inside multiple helical blades (22) that interior rotating cylinder (23) outer wall is circumferentially arranged, the interior rotating cylinder (23) The bottom end of the accommodation space (21) of end opening, the helical blade (22) is connect with the drill (41) top.

6. ice core drilling tool according to claim 1, which is characterized in that further include support device (3), both ends are separately connected The driving component (1) and the inner housing (2), internal formation cavity (31) of the support device (3) are simultaneously empty with the receiving Between (21) be connected.

7. ice core drilling tool according to claim 6, which is characterized in that the support device (3) includes drive disk (34), institute It states and forms cavity (31) inside drive disk (34) and be connected with the accommodation space (21), drive disk (34) side wall offers Multiple intercommunicating pores (341).

8. ice core drilling tool according to claim 1, which is characterized in that it further include shell (5) and anti-twisted device (6), it is described Shell (5) is located on the outside of the driving component (1), and the anti-twisted device (6) connect with the driving component (1), described anti- Turning round device (6) can be pushed against on the side wall for forming drilling after ice face is cut to prevent the driving component (1) from rotating.

9. ice core drilling tool according to claim 8, which is characterized in that the anti-twisted device (6) includes knob (61), screw thread Column (62), sliding block (63), multiple supporting pins (64), multiple elastic slices (65) and multiple positioning pins (66), the threaded post (62) are solid It is scheduled on the top of the shell (5) body, knob (61) is threadedly coupled and with movable slider (63) along described with the threaded post (62) Threaded post (62) is mobile, and one end of each positioning pin (66) is connect with sliding block (63) and the other end and the shell (5) body Top connection, be provided with multiple supporting pins (64) on the sliding block (63), the bottom end of shell (5) body is correspondingly arranged on more A supporting pin (64), the both ends of each elastic slice (65) respectively with the supporting pin (64) on the sliding block (63) and described The corresponding supporting pin (64) in the bottom end of shell (5) body is rotatably connected.

10. ice core drilling tool according to claim 9, which is characterized in that circumferentially there are three branch for projection for the sliding block (63) Support part, each support portion are provided with a supporting pin (64), and the bottom end of shell (5) body is correspondingly arranged that there are three supports It sells (64).