CN212614603U - Rock core pipe capable of improving coring rate - Google Patents

Abstract

The utility model relates to a core barrel that can promote coring rate, which comprises a pipe body, body lower extreme level is pegged graft and is had two fixed blocks that are relative setting, it has the separation blade, two to articulate on the fixed block the separation blade rotates the passageway that passes through in order to form the confession core, fixedly connected with is used for the restriction on the fixed block gets into completely stopper in the body, it is used for holding to offer on the body inner wall the holding tank of separation blade, the cover is equipped with the torsional spring in the separation blade axis of rotation, the torsional spring both ends are fixed connection respectively the separation blade with the body inner wall, when the torsional spring is undeformed, two the separation blade butt, just the separation blade lower surface with holding tank bottom. The utility model discloses have and to a certain extent can prevent the core roll-off body, promote the effect of coring rate.

Description

Rock core pipe capable of improving coring rate

Technical Field

The utility model belongs to the technical field of the technique of address survey and specifically relates to a core barrel that can promote coring rate is related to.

Background

There is currently a need to drill cores during engineering surveys to analyze local geological conditions.

The prior Chinese patent with the publication number of CN206655671U discloses a core sampler and a sampling device, which comprises a drill bit, a top connector and a pipe body positioned between the drill bit and the top connector; the drill bit and the pipe body are communicated, and the pipe body is respectively connected with the top connector and the drill bit; the pipe body comprises a plurality of hollow pipe fittings with arc-shaped sections, and the radian of each hollow pipe fitting on the cross section of each hollow pipe fitting is less than or equal to 180 degrees; the plurality of hollow pipe fittings are enclosed into a pipe body, and every two adjacent hollow pipe fittings are detachably connected; when sampling, the top connector is connected with a drilling device which is used for enabling the core sampler to rotate around the central axis thereof, and the core sample enters the soil body for sampling; after sampling is finished, separating the sleeve from the top connector, separating the pipe body from the top connector and the drill bit respectively, and separating the two enclosed hollow pipe fittings; because can dismantle the connection between two adjacent hollow pipe fittings, after the sample, can open the body, the split becomes a plurality of hollow pipe fittings, and the core sample of gathering directly takes out from hollow pipe fitting.

The above prior art solutions have the following drawbacks: when extracting the core, because the disturbance of body and the dead weight of core, cause the core roll-off body easily, lead to the coring rate low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a can promote the core barrel of getting the core rate, can prevent to a certain extent core roll-off body, promote to get the core rate.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a can promote core barrel of rate, includes the body, body lower extreme level is pegged graft and is two fixed blocks that are relative setting, it has the separation blade, two to articulate on the fixed block the separation blade rotates in order to form the passageway that supplies the rock core to pass through, fixedly connected with is used for the restriction on the fixed block gets into completely stopper in the body, offer on the body inner wall and be used for holding the holding tank of separation blade, the cover is equipped with the torsional spring in the separation blade axis of rotation, the torsional spring both ends fixed connection respectively the separation blade with the body inner wall, when the torsional spring is not deformed, two the separation blade butt, just the separation blade lower surface with holding tank bottom surface.

By adopting the technical scheme, when coring, the pipe body is inserted into the soil layer, the rock core enters the pipe body, the separation blade rotates and is attached in the accommodating groove, so that a channel for the rock core to pass through is formed, the torsional spring deforms at the moment, after sampling is finished, the rock core is controlled to completely enter the pipe body, and in the actual use process, the rock core is loose, so that the separation blade loses the blockage, the torsional spring recovers the deformation, the two separation blades are mutually abutted, the separation blade is abutted to the bottom surface of the accommodating groove at the moment, so that the separation blade cannot rotate downwards, the rock core can be prevented from sliding out of the pipe body, and the coring rate is improved; when the core needs to be taken out, the two fixing blocks are taken out of the pipe body, so that the blocking pieces are driven to be separated from the pipe body, and the core can be taken out.

The present invention may be further configured in a preferred embodiment as: the upper end of the pipe body is provided with a first driving assembly used for driving the two fixing blocks to be close to or far away from each other.

Through adopting above-mentioned technical scheme, when needing to take out the core, keep away from each other through two separation blades of drive assembly drive, no longer cause the blocking to the core until the separation blade to need not to take out two separation blades from the body respectively, thereby conveniently take out the core to a certain extent, be close to each other through two separation blades of drive assembly drive simultaneously, thereby make things convenient for the separation blade to insert in the body to a certain extent.

The present invention may be further configured in a preferred embodiment as: one driving assembly comprises a bidirectional screw rod and a first handle, the bidirectional screw rod is arranged along the inserting direction of the separation blade, the bidirectional screw rod is rotatably connected to the upper side of the pipe body, the first handle is used for driving the bidirectional screw rod to rotate, the two fixing blocks are fixedly connected with connecting rods which are vertically arranged, and the two connecting rods are respectively in threaded connection with two sections of reverse thread lines of the bidirectional screw rod.

By adopting the technical scheme, when the two fixing blocks are driven to move mutually, the first handle is rotated to drive the bidirectional screw rod to rotate, the fixing blocks are inserted into the pipe body, the two connecting rods are respectively in threaded connection with the two sections of reverse thread lines of the bidirectional screw rod, and the bidirectional screw rod rotates to drive the two connecting rods to move mutually, so that the blocking pieces can be driven to move mutually; the first driving assembly realizes the transfer of an acting point through the first handle and the bidirectional screw rod, is convenient for an operator to operate to a certain degree, and meanwhile, the bidirectional screw rod has a certain limiting function and can limit a blocking piece at a certain position to a certain degree.

The present invention may be further configured in a preferred embodiment as: the outer wall of the tube body is provided with a groove for the connecting rod to be clamped in.

Through adopting above-mentioned technical scheme, prevent the shaping that the existence of separation blade influences the core to a certain extent.

The present invention may be further configured in a preferred embodiment as: the pipe body is movably connected with a push plate, and the pipe body is provided with a second driving assembly used for driving the push plate to move along the length direction of the pipe body.

Through adopting above-mentioned technical scheme, when needing to take out the core, move down through two drive push pedals of drive assembly, release the core to conveniently take out the core to a certain extent.

The present invention may be further configured in a preferred embodiment as: the second driving assembly comprises a push rod and a second handle, one end of the push rod is fixedly connected to the push plate, and the other end of the push rod penetrates through the pipe body and is fixedly connected with the second handle.

By adopting the technical scheme, when the push plate is driven to move, the second handle is pushed to drive the push rod to move, so that the push plate is driven to move; the second driving assembly realizes the transfer of the acting point through the second handle and the push rod, and is convenient for operators to operate to a certain extent.

The present invention may be further configured in a preferred embodiment as: the push rod is for including sleeve and extension rod, sleeve one end fixed connection the push pedal, the sleeve other end slides and cup joints the extension rod, the one end fixed connection of extension rod handle two, be equipped with on the extension rod and be used for the restriction the extension rod is along the spacing subassembly that the sleeve removed.

By adopting the technical scheme, the length of the push rod can be adjusted, and the influence on the operation of an operator due to the overlong push rod is prevented; when the rock core needs to be taken out, the second push handle drives the extension rod to move, so that the sleeve is driven to move, the push plate is driven to move until the handle moves to the position of the pipe body, the handle is pulled outwards, the extension rod moves outwards, then the extension rod is limited by the limiting assembly to move, and then the second push handle drives the push plate to move, so that the moving distance of the push plate is not affected.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a spring and a clamping block, the extending rod is provided with a recess for the clamping block to be completely inserted in the length direction of the extending rod, the sleeve is provided with an opening for the clamping block to penetrate out, the spring is arranged in the inserting direction of the clamping block, two ends of the spring are fixedly connected with the side wall of the recess and the clamping block respectively, and when the spring is not deformed, the clamping block is partially clamped in the recess.

By adopting the technical scheme, when the extension rod is inserted into the sleeve, the clamping block is blocked and completely inserted into the abdicating groove, at the moment, the spring deforms, when the core is taken out, the handle II is pushed to the position of the pipe body, then the handle II is pulled outwards, the extension rod moves outwards until the clamping block on the extension rod moves to the position of the opening, the clamping block loses the blocking, the spring recovers the deformation, the clamping block is pushed out and clamped in the opening, the limiting is completed, and the handle II is continuously pushed; when the push rod needs to be shortened, the clamping block is pressed, the clamping block is controlled to be separated from the opening, and the extension rod can slide; this spacing subassembly easy operation, it is spacing stable, satisfy the spacing requirement to the extension rod.

To sum up, the utility model discloses a beneficial technological effect does:

1. the core can be prevented from sliding out of the tube body to a certain extent, and the coring rate is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a partial structural sectional view of an embodiment of the present invention (wherein the partial structure is exploded to show the matching relationship between the baffle and the pipe body).

Fig. 3 is a cross-sectional view of an embodiment of the present invention.

Fig. 4 is an enlarged view of the area a in fig. 3.

In the figure, 1, a tube body; 2. a fixed block; 3. a through hole; 4. a limiting block; 5. a placement groove; 6. a baffle plate; 7. accommodating grooves; 8. a torsion spring; 9. a connecting rod; 10. a groove; 11. a first driving component; 12. a bidirectional screw rod; 13. a first handle; 14. pushing the plate; 15. a second driving component; 16. a push rod; 17. a second handle; 18. a sleeve; 19. an extension rod; 20. a slider; 21. a chute; 22. a limiting component; 23. a clamping block; 24. a yielding groove; 25. an opening; 26. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a core barrel that can promote coring rate, including body 1, 1 lower extreme level of body is pegged graft and is had two fixed blocks 2 that are relative setting, and 1 lower extreme of body is seted up and is supplied fixed block 2 male through-hole 3, fixedly connected with stopper 4 on 2 outer walls of fixed block, offers on 1 outer wall of body to be used for preventing the standing groove 5 of stopper 4, and standing groove 5 communicates through-hole 3, and the one end that stopper 4 was kept away from to fixed block 2 articulates there is separation blade 6, and two separation blades 6 rotate in order to form the passageway that supplies the core to pass through.

Offer the holding tank 7 that is used for holding separation blade 6 on 1 inner wall of body, when two separation blades 6 kept away from the mutual butt of one end of stopper 4, the 6 horizontal butt of separation blade is in 7 bottom surfaces of holding tank, and stopper 4 card flushes in standing groove 5 and with 1 outer wall of body.

The cover is equipped with torsional spring 8 in the 6 axis of rotation of separation blade, and 8 both ends of torsional spring are fixed connection separation blade 6 and 1 inner wall of body respectively, and when torsional spring 8 did not deform, 6 horizontal butt of two separation blades.

The two limit blocks 4 are fixedly connected with connecting rods 9 which are vertically arranged, the outer wall of the tube body 1 is provided with a groove 10 for the connecting rods 9 to be clamped in, the two baffles 6 are horizontally abutted, the connecting rods 9 are clamped in the groove 10, the outer surface of the connecting rods 9 is flush with the outer wall of the tube body 1,

the upper end of the pipe body 1 is provided with a first driving assembly 11 used for driving the two connecting rods 9 to be close to or far away from each other, the first driving assembly 11 comprises a bidirectional screw rod 12, the bidirectional screw rod 12 is arranged along the inserting direction of the blocking piece 6, the bidirectional screw rod 12 is rotatably connected to the upper side of the pipe body 1, one ends, far away from the limiting block 4, of the two connecting rods 9 are respectively in threaded connection with two sections of reverse threaded lines of the bidirectional screw rod 12, the first driving assembly 11 further comprises a first handle 13, and the first handle 13 is coaxially and fixedly connected.

Referring to fig. 3 and 4, swing joint has push pedal 14 in the body 1, 14 circumference butt of push pedal is at 1 inner wall of body, be equipped with on the body 1 and be used for driving push pedal 14 along the two 15 drive assembly that 1 length direction of body removed, two 15 drive assembly include push rod 16 and handle two 17, push rod 16 is for including sleeve 18 and extension rod 19, the perpendicular fixed connection push pedal 14 upper surface center of sleeve 18 one end, the sleeve 18 other end slides and cup joints extension rod 19, extension rod 19's the two 17 of one end fixed connection handle of extension rod 19, fixedly connected with slider 20 on the extension rod 19 outer wall, set up on the sleeve 18 inner wall and supply the gliding spout 21 of slider 20, spout 21 sets up along sleeve 18 length direction, slider 20 pegs graft in spout 21, push rod 16 other end pierces out body 1 fixed connection handle two 17.

The extension rod 19 is provided with a limiting component 22 for limiting the extension rod 19 to move along the sleeve 18, the limiting component 22 comprises a fixture block 23, the lower end of the extension rod 19 is provided with a yielding groove 24, the fixture block 23 is completely inserted into the yielding groove 24 along the length direction perpendicular to the extension rod 19, and the sleeve 18 is provided with an opening 25 for the fixture block 23 to penetrate out; the limiting assembly 22 further comprises a spring 26, the spring 26 is arranged along the inserting direction of the clamping block 23, two ends of the spring 26 are respectively and fixedly connected with the side wall of the abdicating groove 24 and the clamping block 23, and when the spring 26 is not deformed, part of the clamping block 23 is clamped in the abdicating groove 24.

The implementation principle of the embodiment is as follows: during coring, the pipe body 1 is inserted into a soil layer, in the process that the rock core enters the pipe body 1, the blocking pieces 6 rotate and are attached in the accommodating grooves 7, so that a channel for the rock core to pass through is formed, at the moment, the torsional spring 8 deforms, after sampling is finished, the rock core is controlled to completely enter the pipe body 1, at the moment, the blocking pieces 6 lose blocking, the torsional spring 8 recovers deformation, the two blocking pieces 6 are mutually abutted, at the moment, the blocking pieces 6 are abutted to the bottom surface of the accommodating grooves 7, so that the blocking pieces 6 cannot rotate downwards, and the rock core can be prevented from sliding out of the pipe body; when the core needs to be taken out, the first rotating handle 13 drives the two-way screw rod 12 to rotate, so that the two separation blades 6 can be driven to be away from each other, the core is not blocked by the two separation blades 6, then the second pushing handle 17 is pushed to the position of the pipe body 1, the second handle 17 is pulled outwards, the extension rod 19 moves outwards, the fixture block 23 on the extension rod 19 moves to the position of the opening 25, the fixture block 23 loses the blocking effect, the spring 26 recovers deformation, the fixture block 23 is pushed out, the fixture block is clamped in the opening 25, the limitation is completed, the second handle 17 is continuously pushed, and the core can be taken out.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a can promote core barrel of coring rate, includes body (1), its characterized in that: body (1) lower extreme level is pegged graft and is had two fixed block (2) that are relative setting, it has separation blade (6), two to articulate on fixed block (2) separation blade (6) rotate in order to form the passageway that supplies the core to pass through, fixedly connected with is used for the restriction on fixed block (2) get into completely stopper (4) in body (1), offer on body (1) inner wall and be used for holding tank (7) of separation blade (6), the cover is equipped with torsional spring (8) in separation blade (6) axis of rotation, torsional spring (8) both ends are fixed connection respectively separation blade (6) with body (1) inner wall, when torsional spring (8) do not deform, two separation blade (6) butt, just separation blade (6) lower surface with holding tank (7) bottom surface butt.

2. The core barrel capable of improving coring rate of claim 1, wherein: the upper end of the pipe body (1) is provided with a first driving assembly (11) for driving the two fixing blocks (2) to approach or leave each other.

3. The core barrel capable of improving coring rate of the core barrel according to claim 2, wherein: drive assembly (11) includes two-way lead screw (12) and handle (13), two-way lead screw (12) are followed separation blade (6) grafting direction sets up, two-way lead screw (12) rotate to be connected body (1) upside, handle (13) are used for driving two-way lead screw (12) are rotated, two equal fixedly connected with in fixed block (2) is connecting rod (9) of vertical setting, two connecting rod (9) threaded connection respectively is in on two sections reverse thread lines of two-way lead screw (12).

4. A core barrel capable of improving coring rate according to claim 3, wherein: the outer wall of the pipe body (1) is provided with a groove (10) for the connecting rod (9) to be clamped in.

5. The core barrel capable of improving coring rate of claim 1, wherein: the pipe body (1) is internally and movably connected with a push plate (14), and a second driving assembly (15) used for driving the push plate (14) to move along the length direction of the pipe body (1) is arranged on the pipe body (1).

6. The core barrel capable of improving coring rate of claim 5, wherein: the second driving assembly (15) comprises a push rod (16) and a second handle (17), one end of the push rod (16) is fixedly connected to the push plate (14), and the other end of the push rod (16) penetrates out of the pipe body (1) and is fixedly connected to the second handle (17).

7. The core barrel capable of improving coring rate of claim 6, wherein: push rod (16) are for including sleeve (18) and extension rod (19), sleeve (18) one end fixed connection push pedal (14), sleeve (18) other end slides and cup joints extension rod (19), the one end fixed connection of extension rod (19) handle two (17), be equipped with on extension rod (19) and be used for the restriction extension rod (19) are along spacing subassembly (22) that sleeve (18) removed.

8. The core barrel capable of improving coring rate of claim 7, wherein: spacing subassembly (22) include spring (26) and fixture block (23), seted up the confession on extension rod (19) fixture block (23) are along the perpendicular to extension rod (19) length direction inserts yielding groove (24) completely, set up the confession on sleeve (18) opening (25) that fixture block (23) were worn out, spring (26) are followed fixture block (23) grafting direction sets up, spring (26) both ends are fixed connection respectively yielding groove (24) lateral wall with fixture block (23), when spring (26) do not deform, fixture block (23) part card is in yielding groove (24).

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