CN211179066U

CN211179066U - Automatic core sample extractor for road coring detection

Info

Publication number: CN211179066U
Application number: CN201922193083.1U
Authority: CN
Inventors: 周宏玮; 苟银安; 张剑; 姜勇舰
Original assignee: Hangzhou Construction Quality Testing Centre Co ltd
Current assignee: Hangzhou Construction Quality Testing Centre Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-04
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an automatic core sample extractor for road coring detection, including drawing a section of thick bamboo and swing arm, it has the swing arm to draw the top of a section of thick bamboo to be located bilateral symmetry position department grafting, the swing arm is vertically twisted in drawing the left and right wall body department of a section of thick bamboo through the mutual interlock between the screw thread, the top end department of swing arm is pegged graft and is had the knob, draw the top port department of a section of thick bamboo and twist through the mutual interlock between the screw thread and have a tie plate, the top of tie plate is connected with the depression bar in the position department of lieing in the middle part of the terminal surface, the top of depression bar is connected with the pressure disk through integrative casting mould, the bottom of drawing a section of thick bamboo is connected with the lantern ring through integrative casting mould, the bottom of the lantern ring is connected with the taper sleeve through integrative casting mould, and then conveniently draws a section of thick bamboo and carry out, thereby facilitating the stripping operation of the soil sample from the extraction cylinder under the pressurization of the pressure plate.

Description

Automatic core sample extractor for road coring detection

Technical Field

The utility model belongs to the technical field of geotechnique's sample is relevant, concretely relates to a core appearance automatic withdrawal ware for core detection is got to road.

Background

Geotechnical sampling refers to the technical operation of obtaining samples for geotechnical tests, and deep identification soil samples are usually drilled into hole-forming tools such as twist drills, scoop drills, cheese tubes or drawing barrels, and undisturbed soil samples are sampled by undisturbed samplers.

The existing core sample extractor technology has the following problems: during coring detection, the conditions that a core sample cannot come out at a drilling position or cannot come under a core sample clinging to a core taking barrel exist frequently, the occurrence of the conditions needs to consume a large amount of time and energy of a sampler to peel off the soil sample from the extractor, and the soil sample taken out after peeling is easy to be damaged, so that the problem that the taken soil sample has no related research value is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic extractor of core appearance for road coring detection to solve the coring detection time that proposes in the above-mentioned background art, often can have "core appearance to fall and go out at the drilling position", perhaps "core appearance is hugged closely the condition such as not coming under the core barrel", the appearance of this kind of condition, need consume the sample person a large amount of time energy and peel off the soil appearance from the extractor, and peel off the soil appearance that takes out after the phenomenon of damage easily appears, and then lead to taking out the problem that the soil appearance does not have relevant research value.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic extractor of core appearance for road coring detection, includes draws a section of thick bamboo and swing arm, it has the swing arm to draw the top of a section of thick bamboo to peg graft in lieing in bilateral symmetry position department, the swing arm passes through the vertical wall body department of twisting about in drawing a section of thick bamboo of twisting of mutual interlock between the screw thread, the top end department of swing arm pegs graft and has revolved the handle, it has the bolt dish to draw the top port department of a section of thick bamboo to twist through the mutual interlock between the screw thread, the top of bolt dish is connected with the depression bar in lieing in terminal surface middle part position department, the top of depression bar is connected with the pressure disk through integrative mould, the bottom of drawing a section of thick bamboo is connected with the lantern ring through integrative mould, the bottom of the lantern ring is connected with the taper sleeve through integrative mould, the inside vertical embedding of lantern ring and taper sleeve has draws an auxiliary cylinder, the outer, the other end of the limiting connecting strip is connected to the inner walls of the lantern ring and the conical sleeve, a contact iron ring is embedded into the lantern ring and the conical sleeve at the position which is bilaterally symmetrical, and an iron sheet is connected to the bottom end of the contact iron ring.

Preferably, the contact iron ring and the iron sheet are both made of soft metal iron, and the contact iron ring can apply downward deformation pressure to the iron sheet when the rotating rod moves downwards.

Preferably, the rotary rod can move up and down relative to the left wall body and the right wall body of the extraction barrel under the action of force, and the height of the rotary rod is greater than that of the extraction barrel.

Preferably, the diameter of the pressure plate is smaller than that of the latching plate, and the pressure plate can move up and down in the extraction cylinder under the action of force.

Preferably, the iron sheet is pressed by a contact iron ring and then bends and moves downwards from a gap between the conical sleeve and the extraction auxiliary cylinder, and the diameter of a circle formed by a bottom end port of the iron sheet after complete deformation is one sixth of the diameter of the extraction auxiliary cylinder.

Preferably, the maximum up-and-down moving distance of the contact iron ring is the same with the height of the lantern ring.

Preferably, the end face of the bottom end of the rotary rod must touch the end face of the top end of the contact iron ring when the extraction cylinder is pressed downwards from the surface.

Preferably, the bottom end of the iron sheet is in a relatively flat arrangement at the bottom end port of the conical sleeve when the extraction cylinder is pressed downwards from the surface.

Compared with the prior art, the utility model provides an automatic extractor of core appearance for road coring detection possesses following beneficial effect:

1. newly set up contact hoop and iron sheet when using, the contact hoop moves on through the swing arm when using, in the process that reciprocates, the iron sheet is along the annular guide of the lantern ring of extending and toper cover, take place bent shape deformation, treat that deformation collects from drawing bobbin base end port department, draw bobbin base end port department soil sample and be cuted, and provide the holding power to the interior soil sample of section of thick bamboo via deformation after cutting, this sets up and can effectively avoid the interior soil sample of section of thick bamboo to appear fault phenomenon, thereby keep the integrity of soil sample.

2. The pressure disk has newly been set up when using, and the setting of pressure disk provides the effort strong point when can conveniently sampling, and then conveniently draws a section of thick bamboo to prolong the soil layer and move the operation down, also can provide decurrent effort simultaneously when peeling off the soil sample, and then makes things convenient for the soil sample to prolong under the pressurization of pressure disk and draw a section of thick bamboo to peel off the operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic overall structure diagram of an automatic core sample extractor for road coring detection according to the present invention;

fig. 2 is a schematic view of a split structure of an automatic core sample extractor for road coring detection according to the present invention;

fig. 3 is a schematic view of a split structure of a pinch-off assembly in an automatic core sample extractor for road coring detection according to the present invention;

fig. 4 is a schematic view of the overall structure of a pinch-off assembly in an automatic core sample extractor for road coring detection according to the present invention;

in the figure: 1. rotating a handle; 2. a platen; 3. a pressure lever; 4. rotating the rod; 5. a bolting plate; 6. an extraction cylinder; 7. contacting the iron ring; 8. a collar; 9. a conical sleeve; 10. limiting connecting strips; 11. extracting the auxiliary cylinder; 12. iron sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides an automatic core sample extractor for road coring detection, which comprises:

the utility model provides an automatic extractor of core appearance for road coring detection, including drawing a section of thick bamboo 6 and swing arm 4, it has swing arm 4 to draw the top of a section of thick bamboo 6 to peg graft in lieing in bilateral symmetry position department, swing arm 4 vertically revolves in drawing a section of thick bamboo 6 left and right sides wall body department through the mutual interlock between the screw thread, the top end department of swing arm 4 pegs graft and has the knob 1, swing arm 4 can reciprocate for drawing a section of thick bamboo 6 left and right sides wall body under the effect of power, swing arm 4 highly is greater than the height of drawing a section of thick bamboo 6, the top port department of drawing a section of thick bamboo 6 has the bolt dish 5 through the mutual interlock between the screw thread, the top of bolt dish 5 is being located terminal surface middle part position department and is connected with depression bar 3, the top of depression bar 3 is connected with pressure disk 2 through integrative casting mould.

An automatic core sample extractor for road coring detection comprises a bottom end of an extracting barrel 6 connected with a lantern ring 8 through an integral casting mold, a bottom end of the lantern ring 8 connected with a conical sleeve 9 through the integral casting mold, auxiliary extracting barrels 11 vertically embedded in the lantern ring 8 and the conical sleeve 9, one ends of limiting connecting strips 10 are connected with the outer wall of each auxiliary extracting barrel 11 at the front end and the rear end, the other ends of the limiting connecting strips 10 are connected with the inner walls of the lantern ring 8 and the conical sleeve 9, contact iron rings 7 are embedded in the lantern ring 8 and the conical sleeve 9 at the bilaterally symmetrical positions, the maximum up-down moving distance of each contact iron ring 7 is the same as the height of the lantern ring 8, an iron sheet 12 is connected with the bottom end of each contact iron ring 7, the contact iron rings 7 and the iron sheets 12 are made of soft metal iron, the contact iron rings 7 can apply downward deformation pressure to the iron sheets 12 when a rotary rod 4 moves downward, the iron sheet 12 is pressed by the contact iron ring 7 and then bends and moves downwards from the gap between the conical sleeve 9 and the extraction auxiliary cylinder 11, and the diameter of a circle formed by the bottom end port of the completely deformed iron sheet 12 is one sixth of the diameter of the extraction auxiliary cylinder 11.

The utility model provides an automatic extractor of core appearance for road coring detects, can reciprocate in the inside that is located an extraction section of thick bamboo 6 including pressure disk 2 under the effect of force, and the bottom terminal surface of swing arm 4 must touch to the top terminal surface department that contacts hoop 7 when extracting a section of thick bamboo 6 from the ground surface pressurization downwards, and the bottom of an iron sheet 12 must be in the bottom port of taper sleeve 9 and be held flat setting mutually when extracting a section of thick bamboo 6 from the ground surface pressurization downwards.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the bolt disk 5 is bolted on the top end port of the extraction cylinder 6, the back acting force is at the position of the knob 1, the knob 4 is screwed in the left and right wall bodies of the extraction cylinder 6 to contact the bottom end of the knob 4 to the surface of the iron ring 7, at the moment, the vertical acting force can be applied at the position of the pressure disk 2 to enable the bottom end port of the extraction cylinder 6 to be extracted from the earth surface to the underground, after the required position is reached, the acting force is applied to the knob 1 to drive the pressure rod 3 to move downwards, in the moving process, the iron sheet 12 is pressed down under the action of the pressure, the extension lantern ring 8 and the conical sleeve 9 are guided to carry out quasi-circular deformation, the extraction cylinder 6 is peeled from the soil layer after being deformed to the lowest position, the acting force is applied to the knob 1 after being peeled off to move the knob 4 upwards from the extraction cylinder 6, the iron sheet 12 is gradually moved upwards to the original position (recovery), at this time, the pressure lever 3 can be adjusted to move the pressure plate 2 downwards from the top port of the extraction cylinder 6, and further the soil sample is peeled from the extraction cylinder 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic core sample extractor for road coring detection comprises an extraction cylinder (6) and a rotary rod (4), and is characterized in that: the top of drawing a section of thick bamboo (6) is lieing in bilateral symmetry position department and pegs graft and has swing arm (4), swing arm (4) are vertically twisted in drawing a section of thick bamboo (6) left and right sides wall body department through the mutual interlock between the screw thread, the top end department of swing arm (4) is pegged graft and is had a knob (1), the top port department that draws a section of thick bamboo (6) is twisted through the mutual interlock between the screw thread and is had a bolt dish (5), the top of bolt dish (5) is lieing in terminal surface middle part position department and is connected with depression bar (3), the top of depression bar (3) is connected with pressure disk (2) through integrative mould, the bottom of drawing a section of thick bamboo (6) is connected with lantern ring (8) through integrative mould, the bottom of lantern ring (8) is connected with toper cover (9) through integrative mould, the inside embedding of lantern ring (8) and toper cover (9) has, draw the outer wall of vice section of thick bamboo (11) and be connected with the one end of spacing connecting strip (10) in both ends position department around being located, the other end of spacing connecting strip (10) is connected in the inner wall department of lantern ring (8) and taper sleeve (9), the inside of lantern ring (8) and taper sleeve (9) is located bilateral symmetry position department embedding and is had contact hoop (7), the bottom of contact hoop (7) is connected with iron sheet (12).

2. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: contact hoop (7) and iron sheet (12) are soft metallic iron, contact hoop (7) can exert downward deformation pressure to iron sheet (12) when swing arm (4) move down.

3. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: the rotary rod (4) can move up and down relative to the left wall body and the right wall body of the extraction cylinder (6) under the action of force, and the height of the rotary rod (4) is greater than that of the extraction cylinder (6).

4. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: the diameter of pressure disk (2) is less than the diameter of bolt dish (5), pressure disk (2) can move about lieing in the inside of drawing a section of thick bamboo (6) under the effect of force.

5. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: the iron sheet (12) is pressed by a contact iron ring (7) and then is bent and moved downwards from a gap between the conical sleeve (9) and the extraction auxiliary cylinder (11), and the diameter of a circle formed by a bottom end port of the iron sheet (12) after complete deformation is one sixth of the diameter of the extraction auxiliary cylinder (11).

6. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: the maximum up-down moving distance of the contact iron ring (7) is the same as the height of the lantern ring (8).

7. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: when the extraction cylinder (6) is pressed downwards from the ground surface, the end face of the bottom end of the rotating rod (4) must touch the end face of the top end of the iron ring (7).

8. An automatic core sample extractor for road coring detection as set forth in claim 1, wherein: when the extraction cylinder (6) is pressurized downwards from the ground surface, the bottom end of the iron sheet (12) is required to be in a flat arrangement at the bottom end port of the conical sleeve (9).