CN205636707U - Small -size static cone penetration test doube bridge probe - Google Patents
Small -size static cone penetration test doube bridge probe Download PDFInfo
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- CN205636707U CN205636707U CN201620396797.6U CN201620396797U CN205636707U CN 205636707 U CN205636707 U CN 205636707U CN 201620396797 U CN201620396797 U CN 201620396797U CN 205636707 U CN205636707 U CN 205636707U
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- cone penetration
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Abstract
The utility model discloses a small -size static cone penetration test doube bridge probe, its characterized in that: the awl end body (1) of the hollow cylindricality of placing including the level, the awl end body (1) from left to right in proper order an organic whole be connected with response post (5) that the movable collar in screw thread post (3) and outside that is used for linking to each other has friction tin (4) with awl point (2), response post (5) is including the response pre -column section (6), response post middle section (7) and the response post end section (8) that from left to right connect gradually, the external diameter of response pre -column section (6) is less than the external diameter of response post end section (8) just is greater than the external diameter in response post middle section (7), be provided with a pressure sensor in the response pre -column section (6). The utility model provides a pair of small -size static cone penetration test doube bridge probe carries convenient, easy injection, measuring accuracy height, stable good.
Description
Technical field
This utility model relates to a kind of small-sized cone penetration test two-bridge probe, belongs to geotechnical engineering investigation equipment technical field.
Background technology
Cone penetration test, as a kind of important in-situ testing method, is to obtain one of accurate method of Physical And Mechanical Indexes of The Typical, for many years by advantages such as the extensive attention of Geotechnical Engineering circle, it has, and speed is fast, data are continuous, good, the rapid operations of repeatability.This technology is by by the cone bar at the uniform velocity injection soil with probe, measuring the specific penetration resistance on probe with sensorp s Resistance (or static point resistanceq c , side friction powerf s ), excess pore water pressure△ uEtc. parameter.Utilize test result, soil layer division can be carried out, distinguish soil nature, determine the physico-mechanical properties of soil and determine the bearing capacity etc. of foundation soil that there is higher precision.
Popping one's head in as the core component of static cone penetration equipment, the wide probe specification of current domestic application has cone floor space to be 10cm2Or 15cm2Single bridge, two-bridge probe, and be equipped with crawler type, vehicular, split type and be applicable to the quiet spy complete equipment such as platform-type of seafari, the prospecting requirement in general place can be met.But, the type engineering such as overhead transmission line has that prospecting depth is shallow, position, hole is 10cm at a distance of feature, existing great tonnage hydraulic quiet spy machine and the cone floor space such as the most remote2、15cm2Single, double bridge probe, because equipment is heavy, penetration resistance is big, inefficiency during application in similar engineering, the hand labor intensity of needs is high, greatly limit the function of static sounding test, even some special place and cannot be introduced into scene and carry out survey.
Particularity, the lifting of current labor cost and the fieriness of the market competition in view of type engineerings such as transmission lines of electricity, require that exploration equipment develops to lightweight, portable direction, cost-effective, improve efficiency, enhance one's market competitiveness, for making up this blank of prospecting field, there is far reaching significance.
Utility model content
This utility model solves the technical problem that to be to provide and a kind of carries that injection convenient, easy, measuring accuracy be high, the small-sized cone penetration test two-bridge probe of good stability.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of small-sized cone penetration test two-bridge probe, it is characterized in that: include the tapered end body of the hollow cylindrical of horizontal positioned, described tapered end body is connected with the movable set of the threaded post for being connected with cone and outside the most successively and is surrounded by the sensing post of friction cylinder, described sensing post includes sensing post leading portion, sensing post stage casing and the sensing post latter end being from left to right sequentially connected with, the external diameter of the described sensing post leading portion external diameter less than described sensing post latter end and the external diameter more than described sensing post stage casing, described sensing post leading portion is provided with the first pressure transducer；nullDescribed friction cylinder includes being placed on described sensing post leading portion and the sensing friction cylinder leading portion outside post stage casing and being placed on the friction cylinder back segment outside described sensing post latter end，The internal diameter of described friction cylinder back segment is more than the external diameter of described sensing post latter end，It is provided with, on described sensing post latter end, the keyboard that can move forward and backward，The baffle plate being positioned on the left of a described keyboard it is vertically installed with on described friction cylinder back segment，The right side of a described keyboard is connected with on the left of holder，It is connected with on the left of sidewall elastomer on the right side of described holder，It is connected with on the left of sidewall positioning thread insert on the right side of described sidewall elastomer，It is connected with on the left of adapter sleeve on the right side of described sidewall positioning thread insert，It is connected with snap joint on the right side of described adapter sleeve，Described sidewall elastomer is surrounded by protection cylinder with the outer surface cover of described sidewall positioning thread insert，The left side of described protection cylinder extend on the right side of described friction cylinder internal and and a described keyboard on the right side of between be provided with space；The second pressure transducer it is provided with in described sidewall elastomer；The drift angle of described cone is 60 °, and floor space is 5cm2。
A described keyboard, sidewall elastomer and sidewall positioning thread insert are all outer is wrapped in external of described tapered end.
The left side of described threaded post is provided with 45 ° of chamferings.
It is connected by 135 ° of chamferings between described sensing post leading portion and sensing post stage casing, is connected by 135 ° of chamferings between described sensing post stage casing and sensing post latter end.
Described friction cylinder is hollow cylinder, and the two ends of described friction cylinder are provided with 30 ° of chamferings.
The bottom surface of described cone is provided with 45 ° of chamferings.
It is provided with on the left of sidewall elastomer for connecting the cell body on the right side of holder, is provided with on the right side of sidewall elastomer vertically to outward extending chimb, chimb is evenly arranged with some screws, be connected on the left of sidewall positioning thread insert by described screw in tight screw.
The right side of holder is provided with 45 ° of chamferings.
The left side of sidewall positioning thread insert is provided with 45 ° of chamferings.
The first annular groove for placing the first sealing ring it is provided with on described sensing post leading portion.
Described protection cylinder is provided with the second annular groove for placing the second sealing ring on the joint face of described friction cylinder.
It is connected by the 3rd sealing ring between on the left of described adapter sleeve on the right side of described protection cylinder.
The wire of described first pressure transducer and the second pressure transducer all enter described tapered end body hollow interior after by described snap joint seal draw.
Described snap joint is provided with sealing ring on the joint face of adapter sleeve, and the outside of described snap joint is provided with the 4th sealing ring.
A described keyboard is centrally disposed fluted, and described holder left end is cambered surface and is embedded in described groove.
Described first pressure transducer and the second pressure transducer are resistance strain type pressure sensor, and number is two.
The close foil gauge of four resistances that described resistance strain type pressure sensor is pasted on described sensing post leading portion or sidewall elastomer by symmetry forms, and two vertical stickups, two other is laterally pasted, and constitutes one group and measures bridge；Resistance is close to the resistance difference of four foil gauges less than 0.1%.
The thread groove for matching it is provided with described threaded post on the right side of described cone.
Cone penetration test tracing pattern obtained by described cone penetration test two-bridge probe and tradition 10cm2、15cm2Data and the curve of probe gained are essentially identical；Static point resistance obtained by small-sized cone penetration test of the present utility model probeq c With side friction powerf s Result after being modified matches with existing specification, can be applicable to soil layer and divides and the determination of foundation bearing capacity.
The beneficial effects of the utility model are: (1) achieves two-bridge probe specification from the most conventional 15cm2With 10cm2It is reduced to 5cm2, probe size all synchronizes to reduce, adds the convenience carried；(2) penetration resistance of probe is reduced by minification, the depth of penetration making probe under injection power the same terms is deeper, or under equal depth of penetration, reduce the requirement to injection power, the total quality making static sounding reduces, thus preferably play quiet spy testing efficiency, alleviate field operation labor intensity；(3) setting of various chamferings, reduce further the penetration resistance of probe, alleviates field operation labor intensity further；(4) standardization of test result is achieved, the static point resistance obtained by this utility modelq c With side friction powerf s Result after being modified matches with existing specification, can be applicable to soil layer and divides and the determination of foundation bearing capacity；(5) achieving the portability of miniature probe structure, the internal structure differing from tradition probe provided by the utility model, the optimization design for miniature probe structure provides the foundation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of tapered end body in this utility model；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural representation of friction cylinder in this utility model；
Fig. 5 is the vertical section structure schematic diagram of cone in this utility model；
Fig. 6 is the cross section structure schematic diagram of cone in this utility model；
Fig. 7 is the structural representation of sidewall elastomer in this utility model；
Fig. 8 is the right view of Fig. 7；
Fig. 9 is the structural representation of a keyboard in this utility model；
Figure 10 is the side view of Fig. 9；
Figure 11 is the structural representation of holder in this utility model；
Figure 12 is the structural representation of sidewall positioning thread insert in this utility model；
Figure 13 is the structural representation of adapter sleeve in this utility model.
Detailed description of the invention
In conjunction with specific examples below and accompanying drawing, the utility model is described in further detail, and following instance is merely illustrative, and protection content of the present utility model is not limited to this.
As shown in Fig. 1 ~ Figure 13, a kind of small-sized cone penetration test two-bridge probe, it is characterized in that: include the tapered end body 1 of the hollow cylindrical of horizontal positioned, described tapered end body 1 is connected with the movable set of the threaded post 3 for being connected with cone 2 and outside the most successively and is surrounded by the sensing post 5 of friction cylinder 4, described sensing post 5 includes the sensing post leading portion 6 being from left to right sequentially connected with, sensing post stage casing 7 and sensing post latter end 8, the external diameter of described sensing post leading portion 6 external diameter less than described sensing post latter end 8 and the external diameter more than described sensing post stage casing 7, it is provided with the first pressure transducer on described sensing post leading portion 6；nullDescribed friction cylinder 4 includes being placed on described sensing post leading portion 6 and the sensing friction cylinder leading portion 11 outside post stage casing 7 and being placed on the friction cylinder back segment 12 outside described sensing post latter end 8，The internal diameter of described friction cylinder back segment 12 is more than the external diameter of described sensing post latter end 8，The keyboard 13 that can move forward and backward it is provided with on described sensing post latter end 8，The baffle plate 14 being positioned on the left of a described keyboard 13 it is vertically installed with on described friction cylinder back segment 12，The right side of a described keyboard 13 is connected on the left of holder 15，It is connected on the left of sidewall elastomer 16 on the right side of described holder 15，It is connected on the left of sidewall positioning thread insert 17 on the right side of described sidewall elastomer 16，It is connected on the left of adapter sleeve 18 on the right side of described sidewall positioning thread insert 17，It is connected with snap joint 19 on the right side of described adapter sleeve 18，Described sidewall elastomer 16 is surrounded by protection cylinder 20 with the outer surface cover of described sidewall positioning thread insert 17，The left side of described protection cylinder 20 extend on the right side of described friction cylinder 4 internal and and a described keyboard 13 on the right side of between be provided with space 21；It is provided with the second pressure transducer in described sidewall elastomer 16；The drift angle of described cone 2 is 60 °, and floor space is 5cm2。
The first annular groove 10 for placing the first sealing ring 9 it is provided with on described sensing post leading portion 6.
Described protection cylinder 20 is provided with the second annular groove 23 for placing the second sealing ring 22 on the joint face of described friction cylinder 4.
It is connected by the 3rd sealing ring 24 between on the left of described adapter sleeve 18 on the right side of described protection cylinder 20.
The wire of described first pressure transducer and the second pressure transducer all enter described tapered end body 1 hollow interior after sealed extraction by described snap joint 19.
Described snap joint 19 is provided with sealing ring 25 on the joint face of adapter sleeve 18, and the outside of described snap joint 19 is provided with the 4th sealing ring 26.
A described keyboard 13 centrally disposed fluted 28, described holder 15 left end is cambered surface and is embedded in described groove 28.
Friction cylinder 4, one keyboard 13, holder 15 can be freely movable, effect are transferred to successively on the second pressure transducer of described sidewall elastomer 16 by during external force；Sidewall elastomer 16 is fixed on sidewall positioning thread insert 17.
Described first pressure transducer and the second pressure transducer are resistance strain type pressure sensor, and number is two.Do not influenced each other between first pressure transducer and the second pressure transducer.
The close foil gauge of four resistances that described resistance strain type pressure sensor is pasted on described sensing post leading portion 6 or sidewall elastomer 16 by symmetry forms, and two vertical stickups, two other is laterally pasted, and constitutes one group and measures bridge；Resistance is close to the resistance difference of four foil gauges less than 0.1%.
The thread groove 27 for matching it is provided with described threaded post 3 on the right side of described cone 2.
Size of the present utility model and tradition 10cm2、15cm2Probe is compared, and has carried out scaled down: the drift angle of cone 2 is 60 °, a diameter of 25.4mm, and floor space is 5cm2；The a length of 128mm of friction cylinder 4, surface area is 100cm2。
Fig. 1 is the structural representation of structural assembly of the present utility model, a kind of small-sized cone penetration test two-bridge probe, including cone system, sidewall system and connection system three part.Cone system is made up of cone the 2, first sealing ring 9 and tapered end body 1；Sidewall system is made up of friction cylinder 4, keyboard the 13, second sealing ring 22, holder 15, sidewall elastomer 16 and sidewall positioning thread insert 17；Connection system is made up of adapter sleeve 18, snap joint 19, sealing ring the 25, the 3rd sealing ring 24 and the 4th sealing ring 26.
Fig. 2 ~ Fig. 3 is vertical section and the cross section structure schematic diagram of tapered end body 1 of the present utility model, and tapered end body 1 front end uses to be screwed with cone 2 and is connected, and outside is cased with friction cylinder 4, and rear end is connected with snap joint 19.
Fig. 4 is friction cylinder 4 vertical section structure schematic diagram of the present utility model, by soil pressure crimp during for preventing friction cylinder 4 injection, adds the hardness of friction cylinder material.
Fig. 5 ~ Fig. 6 is vertical section and the cross section structure schematic diagram of cone 2 of the present utility model, and the drift angle of cone 2 is 60 °, and boring pre-threaded connect with tapered end body 1 during use.
Fig. 7 ~ Fig. 8 is vertical section and the cross section structure schematic diagram of sidewall elastomer 16 of the present utility model, sidewall elastomer 16 is stayed tight screw by 4, rear end and is fixed on sidewall positioning thread insert 17, front end contacts with holder 15, and internally installed have resistance strain type pressure sensor.
Fig. 9 ~ Figure 10 is cross section and the vertical section structure schematic diagram of a keyboard 13 of the present utility model, and a keyboard 13 is rigidity round pie, and simultaneously center fluted 28 is for fixing holder 15, can be freely movable, can promote holder 15 when being acted on by friction cylinder 4 backward.
Figure 11 is the vertical section structure schematic diagram of holder 15 of the present utility model, and holder 15 front end stress point designs for cambered surface, is embedded in the groove 28 at keyboard 13 center, and rear end is connected with the second pressure transducer in sidewall elastomer 16.
Figure 12 is the vertical section structure schematic diagram of sidewall positioning thread insert 17 of the present utility model, sidewall positioning thread insert 17 hollow, and there are 4 screwed holes outer ring for fixed sidewall elastomer 16.
Figure 13 is the vertical section structure schematic diagram of adapter sleeve 18 of the present utility model, and adapter sleeve 18 is the connection member of connection system and sidewall system, has the 3rd sealing ring 24 and the 4th sealing ring 26, embedded sealing ring 25 outside two ends.
Work process of the present utility model is as follows: in cone penetration test operation process, time in the probe injection soil body of the present utility model, cone 2 is produced miniature deformation by soil pressure effect and deformation passes to the first pressure transducer on tapered end body 1, first force-sensing resistor value changes, pressure signal is converted into the signal of telecommunication, and 4 wires drawn by the first pressure transducer are drawn in main body cylinder endoporus (i.e. tapered end body is hollow) through 4 apertures；Friction cylinder 4 is produced micro-displacement backward by the soil body frictional force effect of cylinder side, a keyboard 13 is pushed down inside friction cylinder 4, one keyboard 13 withstands the holder 15 connecting sidewall elastomer 16, sidewall elastomer 16 is made to produce micro-deformation, pressure signal is converted into the signal of telecommunication by the second pressure transducer in sidewall elastomer 15, and pass another 4 apertures of main body cylinder to main body cylinder endoporus by 4 wires, sealing through sealing ring 25, snap joint 19 is drawn, by cable transmission to measurement system together with the wire of tapered end body 1.
This utility model achieves miniaturization, lightweight and standardization, significantly reduce size and the weight of probe, optimize the arrangement of sensor, thus successfully improve static point resistance, the precision of side friction power test, and achieve the waterproof effect of internal structure, with tradition probe compared with, have lighter, be more easy to the advantage such as injection, good stability.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a small-sized cone penetration test two-bridge probe, it is characterized in that: include the tapered end body (1) of the hollow cylindrical of horizontal positioned, described tapered end body (1) is connected with the movable set of threaded post (3) and outside for being connected with cone (2) the most successively and is surrounded by the sensing post (5) of friction cylinder (4), described sensing post (5) includes sensing post leading portion (6) being from left to right sequentially connected with, sensing post stage casing (7) and sensing post latter end (8), the external diameter of described sensing post leading portion (6) external diameter less than described sensing post latter end (8) and the external diameter more than described sensing post stage casing (7), it is provided with the first pressure transducer on described sensing post leading portion (6)；nullDescribed friction cylinder (4) includes being placed on described sensing post leading portion (6) and the friction cylinder leading portion (11) of sensing post stage casing (7) outside and being placed on the friction cylinder back segment (12) that described sensing post latter end (8) is outside，The internal diameter of described friction cylinder back segment (12) is more than the external diameter of described sensing post latter end (8)，The keyboard (13) that can move forward and backward it is provided with on described sensing post latter end (8)，The baffle plate (14) being positioned at a described keyboard (13) left side it is vertically installed with on described friction cylinder back segment (12)，The right side of a described keyboard (13) is connected with holder (15) left side，Described holder (15) right side is connected with sidewall elastomer (16) left side，Described sidewall elastomer (16) right side is connected with sidewall positioning thread insert (17) left side，Described sidewall positioning thread insert (17) right side is connected with adapter sleeve (18) left side，Described adapter sleeve (18) right side is connected with snap joint (19)，Described sidewall elastomer (16) is surrounded by protection cylinder (20) with the outer surface cover of described sidewall positioning thread insert (17)，The left side of described protection cylinder (20) extend to described friction cylinder (4) right side internal and and a described keyboard (13) right side between be provided with space (21)；Described sidewall elastomer is provided with the second pressure transducer on (16)；The drift angle of described cone (2) is 60 °, and floor space is 5cm2。
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: it is provided with the first annular groove (10) for placing the first sealing ring (9) on described sensing post leading portion (6).
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: described protection cylinder (20) is provided with the second annular groove (23) for placing the second sealing ring (22) on the joint face of described friction cylinder (4).
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: it is connected by the 3rd sealing ring (24) between described protection cylinder (20) right side with described adapter sleeve (18) left side.
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: the wire of described first pressure transducer and the second pressure transducer all enter described tapered end body (1) hollow interior after by described snap joint (19) seal draw.
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterized in that: described snap joint (19) is provided with sealing ring (25) on the joint face of adapter sleeve (18), and the outside of described snap joint (19) is provided with the 4th sealing ring (26).
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: a described keyboard (13) centrally disposed fluted (28), described holder (15) left end is cambered surface and is embedded in described groove (28).
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: described first pressure transducer and the second pressure transducer are resistance strain type pressure sensor, and number is two.
One the most according to claim 8 small-sized cone penetration test two-bridge probe, it is characterized in that: the close foil gauge of four resistances that described resistance strain type pressure sensor is pasted on described sensing post leading portion (6) or sidewall elastomer (16) by symmetry forms, two vertical stickups, two other is laterally pasted, and constitutes one group and measures bridge；Resistance is close to the resistance difference of four foil gauges less than 0.1%.
One the most according to claim 1 small-sized cone penetration test two-bridge probe, it is characterised in that: described cone (2) right side is provided with the thread groove (27) for matching with described threaded post (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396797.6U CN205636707U (en) | 2016-05-05 | 2016-05-05 | Small -size static cone penetration test doube bridge probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396797.6U CN205636707U (en) | 2016-05-05 | 2016-05-05 | Small -size static cone penetration test doube bridge probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205636707U true CN205636707U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620396797.6U Withdrawn - After Issue CN205636707U (en) | 2016-05-05 | 2016-05-05 | Small -size static cone penetration test doube bridge probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205636707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804040A (en) * | 2016-05-05 | 2016-07-27 | 中国能源建设集团江苏省电力设计院有限公司 | Minitype double-bridge probe for static cone penetration tests |
| CN110607789A (en) * | 2019-10-23 | 2019-12-24 | 中国海洋大学 | Static parameter sounding probe |
-
2016
- 2016-05-05 CN CN201620396797.6U patent/CN205636707U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804040A (en) * | 2016-05-05 | 2016-07-27 | 中国能源建设集团江苏省电力设计院有限公司 | Minitype double-bridge probe for static cone penetration tests |
| CN110607789A (en) * | 2019-10-23 | 2019-12-24 | 中国海洋大学 | Static parameter sounding probe |
| CN110607789B (en) * | 2019-10-23 | 2024-05-28 | 中国海洋大学 | Statics parameter touch probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20170915 |