CN206362644U - A kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it - Google Patents
A kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it Download PDFInfo
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- CN206362644U CN206362644U CN201621302063.3U CN201621302063U CN206362644U CN 206362644 U CN206362644 U CN 206362644U CN 201621302063 U CN201621302063 U CN 201621302063U CN 206362644 U CN206362644 U CN 206362644U
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- China
- Prior art keywords
- direct shear
- handrail
- shear box
- power transmission
- forth effort
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Abstract
The utility model discloses a kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it, the dress sampling device includes press mechanism and supporting mechanism, press mechanism and supporting mechanism are symmetrical mechanism, press mechanism includes upper handrail, connecting rod, locating part and pressure head, the upper end of connecting rod is connected with upper handrail, lower end is connected with pressure head, locating part is fixed on the top of connecting rod, supporting mechanism includes lower handrail and power transmission connection part, power transmission connection part has two, two power transmission connection parts are symmetrically arranged on lower handrail, lower handrail center is provided with perforation, connecting rod passes through perforation, locating part is located above lower handrail.The direct shear box includes upper direct shear box, lower direct shear box and two and puts forth effort part, and two, which put forth effort part, is symmetrically fixed on the relative two side of lower direct shear box.The device and direct shear box are simple in construction, and both, can be and small to the disturbance of cutting ring sample in the case of cutting ring sample denser by its uniform push-in direct shear box with the use of easy to operate.
Description
Technical field
The utility model is related to laboratory soil test engineering device technique field, and in particular to a kind of direct shear test auxiliary dress sample dress
Put and the direct shear box supporting with it.
Background technology
Direct shear test is a kind of important soil test, shearing strength and its parameter (adhesive aggregation to testing experiment soil sample
Power C, internalfrictionangleφ).Experiment soil sample is generally sand, silt or clay that maximum particle diameter is no more than 5mm, when experiment soil sample is
During sand, directly soil sample to be measured, which is fitted into direct shear box, can start test, and the fine grained soil such as silt, clay generally requires to treat
Survey soil sample and be first fabricated to the cutting ring sample with certain humidity, density, then the soil sample in cutting ring is pushed into direct shear box again and carried out
Test, but (typically in 1.5g/cm after cutting ring sample reaches certain compactness3More than), it is difficult during test operation
Cutting ring sample is pressed into direct shear box, the method commonly used in current laboratory is gently to tap soil sample using mallet, is striking soil sample
Hit in the presence of vibrating and fall into direct shear box, but disturbance of this method to soil sample is very big, it is structural stronger to some
The obvious distortion of result that is measured using such a operating method of fine grained soil, therefore we be badly in need of one kind can be closeer in cutting ring sample
Auxiliary dress sampling device and the matching used direct shear box pushed it into the case of reality in direct shear box.
The content of the invention
In order to solve the problem of above-mentioned prior art is present, the utility model provides a kind of direct shear test auxiliary dress sample dress
Put and the direct shear box supporting with it, the device and direct shear box are simple in construction, both, can be in cutting ring with the use of easy to operate
It is uniformly pushed into direct shear box in the case of sample denser, and it is small to the disturbance of cutting ring sample.
Realize technical scheme that the utility model above-mentioned purpose used for：
A kind of direct shear test auxiliary dress sampling device, the device is bilateral symmetry, and the device includes press mechanism and branch
Support mechanism, press mechanism and supporting mechanism are symmetrical mechanism, press mechanism include upper handrail, connecting rod, locating part and
Pressure head, the upper end of connecting rod is connected with upper handrail center, and the center connection of lower end and pressure head, locating part is fixed on the upper of connecting rod
Portion, shape, the shape of size and cutting ring, the size of pressure head match, and supporting mechanism includes lower handrail and power transmission connection part, power transmission
Connector has two, and two power transmission connection parts are symmetrically arranged on lower handrail, and lower handrail center is provided with perforation, and connecting rod passes through perforation
And upper handrail can be slided up and down with connecting rod, locating part is located above lower handrail.
Described power transmission connection part is L-shaped or reverse L type, and power transmission connection part is by vertical power transmission support member and transverse connection structure
Into the upper end of vertical power transmission support member is connected with lower handrail, and lower end is connected with transverse connection.
Described vertical power transmission support member and transverse connection are square tabular.
Described upper handrail and lower handrail are in bar shaped tabular, upper handrail parallel to lower handrail, upper handrail and lower handrail
Shape, size are identical.
Described locating part and pressure head is in the form of annular discs.
Described connecting rod is round bar, and described perforation is circular hole, and connecting rod coordinates with lower handrail gap.
A kind of direct shear box for aiding in direct shear test dress sampling device supporting, including upper direct shear box, lower direct shear box and passed with two
Power connector it is supporting two put forth effort part, upper direct shear box is installed on lower direct shear box, and two, which put forth effort part, is symmetrically fixed on lower staight scissors
On the relative two side of box.
Described part of putting forth effort is L-shaped, puts forth effort part and puts forth effort part including vertical fixture and laterally, vertical fixture is fixed
On lower direct shear box, the one end for laterally putting forth effort part is fixed on vertical fixture, and the other end is hanging.
Described vertical fixture and laterally put forth effort part and be square tabular.
Putting forth effort part also includes two spacing fixture blocks of limitation transverse connection double swerve, and two spacing fixture blocks are fixed on lower straight
Cut on box, two spacing fixture blocks are symmetrically distributed in two both sides for putting forth effort part, and two spacing fixture blocks put forth effort the two of part with two respectively
Side wall connection.
Compared with prior art, its advantage and advantage are the utility model：
1) auxiliary is filled into sampling device and the direct shear box is used cooperatively, it is simple to operate, can be in cutting ring sample denser
In the case of by its uniform push-in direct shear box, and pass through lower handrail top surface and the distance of locating part bottom surface be set, it is ensured that
Soil sample in push-in direct shear box highly maintains 20mm, it is to avoid is overexerted during dress sample and causes soil sample to be extruded closely knit (soil sample height
Degree is less than 20mm), or firmly inadequate soil sample is not driven into the position specified (soil sample is highly more than 20mm).
2) auxiliary fills sampling device and puts forth effort modular construction simply, and material used is steel, low manufacture cost.
Brief description of the drawings
Fig. 1 is that direct shear test of the present utility model aids in the structure after dress sampling device and the staight scissors capsule supporting with it
Figure.
Fig. 2 is the structural representation that direct shear test aids in dress sampling device.
Fig. 3 is the structural representation of direct shear box.
Wherein, handrail under the upper handrails of 1-, 2- connecting rods, 3- locating parts, 4- pressure heads, 5- power transmission connections part, 6-, 7- perforation,
Direct shear box, 12- put forth effort part, 13- and laterally puted forth effort under the vertical power transmission support members of 8-, 9- transverse connections, the upper direct shear boxes of 10-, 11-
The spacing fixture block of part, 14-.
Embodiment
The utility model is specifically described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the device is symmetrical to the structure of direct shear test auxiliary dress sampling device of the present utility model
Structure, the device includes press mechanism and supporting mechanism, and press mechanism and supporting mechanism are symmetrical mechanism.
Press mechanism includes upper handrail 1, connecting rod 2, locating part 3 and pressure head 4, and upper handrail 1 is in bar shaped tabular, locating part 3
In the form of annular discs with pressure head 4, the diameter of pressure head 4 is identical with the internal diameter of cutting ring.Connecting rod 2 be round bar, the upper end of connecting rod 2 with it is upper
The center of handrail 1 connection, lower end is connected with the center of pressure head 4.Locating part 3 is fixed on the top of connecting rod 2.In the present embodiment, on
The length of handrail is 240mm, and width is 20mm, and thickness is 5mm；A diameter of 10mm of connecting rod, length is 60mm；Locating part
A diameter of 20mm, thickness is 5mm；A diameter of 61.8mm of pressure head, thickness is 5mm.
Supporting mechanism includes lower handrail 6 and power transmission connection part 5.Lower handrail 6 is in bar shaped tabular, and upper handrail 1 is helped parallel under
Hand 6, upper handrail 1 is identical with shape, the size of lower handrail 6.The lower center of handrail 6 is provided with circular perforation 7, and the diameter of perforation 7 is big
In the diameter of connecting rod 2.Connecting rod 2 is through perforation 7, and locating part 3 is located at the lower top of handrail 6, during dress sample, locating part bottom
Face is equal to the distance that soil sample is moved to the distance between lower handrail top surface.Power transmission connection part 5 has two, and power transmission connection part 5 is L-shaped
Or reverse L type, power transmission connection part 5 is made up of vertical power transmission support member 8 and transverse connection 9, and vertical power transmission support member 8 is bar shaped
Square plate, transverse connection 9 is the square plate that length and width is closer to.The upper end of two vertical power transmission support members 8 is symmetrically fixed
In on the both sides of the lower bottom surface of handrail 6, and two vertical power transmission support members 8 are each perpendicular to lower handrail 6, two vertical power transmission support members 8
Lower end is connected with two transverse connections 9 respectively.When filling sample, due to place cutting ring sample, permeable stone and pressure at the top of upper direct shear box
Head, therefore the length of vertical power transmission support member should make the bottom surface of lower handrail on the basis of above-mentioned several component thickness are considered
Certain reinforcement is left between pressure head top surface.In the present embodiment, the length of lower handrail is 240mm, and width is 20mm, and thickness is
5mm, when dress sample starts, the distance between the bottom surface of lower handrail and lower handrail top surface are 55mm；A diameter of 12mm of perforation；It is perpendicular
To power transmission support member length be 80mm, width is 20mm, and thickness is 5mm, on vertical power transmission support member and lower handrail with its away from
Vertical range from nearer one end is 50mm；The length of transverse connection is 20mm, and width is 13mm, and thickness is 5mm.
The structure of direct shear box of the present utility model as shown in figures 1 and 3, including upper direct shear box 10, lower direct shear box 11 and with
Two power transmission connection parts it is supporting two put forth effort part 12.Put forth effort part 12 L-shaped, putting forth effort part 12 includes vertical fixture, transverse direction
Put forth effort the spacing fixture block 14 of part 13 and two, it is square plate that vertical fixture and transverse direction, which put forth effort part 13, and spacing fixture block 14 is square, two
Spacing fixture block 14 is symmetrically fixed on the both sides of vertical fixture, and two spacing fixture blocks 14 are secured by bolts on lower direct shear box 11,
And horizontal one end for putting forth effort part 13 is fixed at the top of vertical fixture, the other end for laterally putting forth effort part 13 is hanging.It is vertical fixed
Part, the horizontal spacing fixture block 14 of part 13 and two of putting forth effort is integral type structures, and the top of spacing fixture block and the horizontal top for putting forth effort part are neat
It is flat, and the horizontal top for putting forth effort part, with being flushed at the top of lower direct shear box, the height of spacing fixture block should be greater than laterally putting forth effort the thickness of part
Degree, and the width of spacing fixture block should be greater than the thickness of vertical fixture, such spacing fixture block, which can be played, will put forth effort part and fixes
Effect on lower direct shear box, and put forth effort part in the transverse connection of power transmission connection part with putting forth effort the transverse direction of part and use cooperatively
When, transverse connection is blocked, limitation transverse connection can be played a part of and moved left and right.In the present embodiment, laterally put forth effort part
Length be 20mm, width is 10mm, and thickness is 5mm；The length of vertical fixture is 10mm, and width is 5mm, and thickness is 2mm；
The length of spacing fixture block is 10mm, and width is 5mm, is highly 10mm.
The application method of direct shear test auxiliary dress sampling device of the present utility model and the direct shear box supporting with it is as follows：
1) permeable stone, filter paper (or glassine paper) are first sequentially placed into lower direct shear box, will be fixed direct shear box up and down with pin
Together, cutting ring sample, filter paper (or glassine paper), permeable stone (diameter are then sequentially placed in the center of upper direct shear box
61.8mm, thickness 10mm)；
2) transverse connection of two power transmission connection parts is respectively placed in into two transverse directions for putting forth effort part to put forth effort below part, makes two biographies
The transverse connection of power connector can catch on two transverse directions for putting forth effort part respectively when being lifted up and put forth effort part, while making pressure head bottom
Portion contacts the top of permeable stone, and both hands hold handrail and lower handrail, handrail is pressed downward while being pulled upwardly lower handrail, on
Handrail is moved down in the case where putting forth effort the reaction force of part offer with connecting rod slide downward, until the bottom surface of locating part is contacted
Lower handrail top surface, now the soil sample in cutting ring be pressed completely into the assigned position in direct shear box, it should be noted that pushing
During to avoid tilting caused by soil sample unbalance stress sedimentation, both hands need balanced firmly to push.
Claims (10)
1. a kind of direct shear test auxiliary dress sampling device, it is characterised in that：The device is bilateral symmetry, and the device includes pushing
Mechanism and supporting mechanism, press mechanism and supporting mechanism are symmetrical mechanism, press mechanism include upper handrail, connecting rod,
Locating part and pressure head, the upper end of connecting rod are connected with upper handrail center, and the center connection of lower end and pressure head, locating part is fixed on company
The top of extension bar, shape, the shape of size and cutting ring, the size of pressure head match, and supporting mechanism includes lower handrail and power transmission connects
Fitting, power transmission connection part has two, and two power transmission connection parts are symmetrically arranged on lower handrail, and lower handrail center is provided with perforation, connection
Bar passes through perforation and upper handrail can be slided up and down with connecting rod, and locating part is located above lower handrail.
2. direct shear test auxiliary dress sampling device according to claim 1, it is characterised in that：Described power transmission connection part is in L
Type or reverse L type, power transmission connection part are made up of vertical power transmission support member and transverse connection, and the upper end of vertical power transmission support member is with
Handrail is connected, and lower end is connected with transverse connection.
3. direct shear test auxiliary dress sampling device according to claim 2, it is characterised in that：Described vertical power transmission support member
It is square tabular with transverse connection.
4. according to any described direct shear test auxiliary dress sampling devices of claim 1-3, it is characterised in that：Described upper handrail and
Lower handrail is in bar shaped tabular, and upper handrail is parallel to lower handrail, and upper handrail is identical with shape, the size of lower handrail.
5. direct shear test auxiliary dress sampling device according to claim 4, it is characterised in that：Described locating part and pressure head is equal
It is in the form of annular discs.
6. direct shear test auxiliary dress sampling device according to claim 5, it is characterised in that：Described connecting rod is round bar,
Described perforation is circular hole, and connecting rod coordinates with lower handrail gap.
7. a kind of direct shear box supporting with any described direct shear test auxiliary dress sampling devices of claim 1-6, including upper staight scissors
Box and lower direct shear box, upper direct shear box are installed on lower direct shear box, it is characterised in that：Also include two supporting with two power transmission connection parts
Put forth effort part, two, which put forth effort part, is symmetrically fixed on the relative two side of lower direct shear box.
8. according to claim 7 aid in the supporting direct shear box of dress sampling device with direct shear test, it is characterised in that：Described
Put forth effort part L-shaped, put forth effort part and put forth effort part including vertical fixture and laterally, vertical fixture is fixed on lower direct shear box,
The one end for laterally putting forth effort part is fixed on vertical fixture, and the other end is hanging.
9. according to claim 8 aid in the supporting direct shear box of dress sampling device with direct shear test, it is characterised in that：Described
Vertical fixture and laterally put forth effort part and be square tabular.
10. according to claim 9 aid in the supporting direct shear box of dress sampling device with direct shear test, it is characterised in that：Put forth effort
Part also includes two spacing fixture blocks of limitation transverse connection double swerve, and two spacing fixture blocks are fixed on lower direct shear box, two limits
Position fixture block is symmetrically distributed in two both sides for putting forth effort part, and two spacing fixture blocks are puted forth effort the two side of part with two and are connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302063.3U CN206362644U (en) | 2016-11-30 | 2016-11-30 | A kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302063.3U CN206362644U (en) | 2016-11-30 | 2016-11-30 | A kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362644U true CN206362644U (en) | 2017-07-28 |
Family
ID=59373083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302063.3U Expired - Fee Related CN206362644U (en) | 2016-11-30 | 2016-11-30 | A kind of direct shear test auxiliary dress sampling device and the direct shear box supporting with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680111A (en) * | 2016-11-30 | 2017-05-17 | 中国科学院武汉岩土力学研究所 | Sample loading device for assisting direct shear tests and direct shear box matched with same |
| CN110426268A (en) * | 2019-07-16 | 2019-11-08 | 安徽省（水利部淮河水利委员会）水利科学研究院 | A kind of parallel electronic rotation release method for cutting ring demoulding |
| CN110823717A (en) * | 2019-11-01 | 2020-02-21 | 广州大学 | Semi-flexible pavement shear strength testing device and testing method |
-
2016
- 2016-11-30 CN CN201621302063.3U patent/CN206362644U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680111A (en) * | 2016-11-30 | 2017-05-17 | 中国科学院武汉岩土力学研究所 | Sample loading device for assisting direct shear tests and direct shear box matched with same |
| CN110426268A (en) * | 2019-07-16 | 2019-11-08 | 安徽省（水利部淮河水利委员会）水利科学研究院 | A kind of parallel electronic rotation release method for cutting ring demoulding |
| CN110823717A (en) * | 2019-11-01 | 2020-02-21 | 广州大学 | Semi-flexible pavement shear strength testing device and testing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |