Summary of the invention
The main purpose of the present invention is to provide a kind of cement slurry test equipments, it is intended to adapt to the matrix of reinforcing to be repaired
Characteristic, effective, accurate quantization signifying quickly is carried out to the permeance property of slurry.
To achieve the above object, the present invention provides a kind of cement slurry test equipment, for testing the infiltration of cement slurry
Performance, the cement slurry test equipment include:
First shell;
Second shell is detachably fixed connection with the first shell and forms cylinder, the inner wall of the first shell and institute
The inner wall for stating second shell is enclosed the accommodating chamber positioned at the inner barrel, and the accommodating chamber has to be injected for test material
Opening.
Preferably, the first shell includes the first noumenon and the first partition that connect with the first noumenon, and described
Two shells include the second ontology and the second partition that connect with second ontology, the first noumenon, second ontology, institute
It states first partition and the second partition is enclosed the accommodating chamber, the first partition connects to be formed with the second partition
The bottom wall of the accommodating chamber, the bottom wall are spaced apart equipped with multiple air holes.
Preferably, the first partition and the mating connection of the first noumenon, the second partition and described second
The mating connection of ontology, the first partition and the second partition are integrally formed.
Preferably, the cement slurry test equipment further includes pedestal, the cylinder close to the accommodating chamber bottom one
End is installed on the top of the pedestal, is equipped with airflow channel in the pedestal, the side wall of the pedestal offers venthole, each institute
It states air hole and the venthole is connected to the airflow channel.
Preferably, the first shell is equipped with first connecting portion, and the second shell is equipped with second connecting portion, the cement
Slurry test equipment further includes fastener, and the fastener is detachably fixed the connection first connecting portion and second connection
Portion.
In addition, to achieve the goals above, the present invention also proposes a kind of cement slurry test method, the cement slurry is surveyed
Method for testing the following steps are included:
First shell and second shell combination are mounted to cylinder;
The accommodating chamber that the cylinder is added in the sand material of target grain size is formed into layer of sand;
Cement slurry to be measured is poured into the accommodating chamber, is layed in the top of the layer of sand;
After the cement slurry hardening in the accommodating chamber, dismantles the cylinder and take out hardening cylinder;
Measure penetration depth of the hardening cylinder in the layer of sand.
Preferably, described the step of cement slurry to be measured is poured into the accommodating chamber, includes:
Measure the cement slurry to be measured of preset vol;
The cement slurry to be measured of preset vol is poured into the accommodating chamber.
Preferably, the step of penetration depth for measuring the hardening cylinder in the layer of sand includes:
Measure the total volume of the hardening cylinder;
Permeation volume of the hardening cylinder in the layer of sand is calculated according to the total volume and the preset vol;
The penetration depth is calculated according to the permeation volume.
Preferably, the step of accommodating chamber formation layer of sand that the sand material of target grain size is added to the cylinder includes:
Determine the partial size of target gap width or object construction unit;
The target grain size is determined according to the partial size of the target gap width or the object construction unit;
According to the spare sand material of the target grain size screen analysis;
The accommodating chamber that the cement slurry test equipment is added in sand material after screen analysis is formed into the layer of sand.
Preferably, the step of accommodating chamber formation layer of sand that sand material is added to the cylinder includes:
The accommodating chamber is added to the first preset height in the sand material, forms the layer of sand;
Described that cement slurry to be measured is poured into the accommodating chamber, the step of being layed in the top of the layer of sand, includes:
The cement slurry to be measured is poured into the accommodating chamber to the second preset height, is layed in the top of the layer of sand.
A kind of cement slurry test equipment that the embodiment of the present invention proposes, by pacifying first shell and second shell combination
Cylinder is dressed up, the sand material and cement slurry to be measured of target grain size are sequentially added into the accommodating chamber of cylinder, forms layer of sand and slurry
Layer, wherein the sand material of target grain size can characterize the self character for the matrix that use cement slurry to be measured to carry out repairing and reinforcing,
After cement slurry hardening, since penetration depth of the better cement slurry of permeance property in layer of sand is bigger, hardened by measurement
Penetration depth of the cylinder in layer of sand characterizes the permeance property of cement slurry to be measured, and measured penetration depth can be intuitive, quasi-
The permeance property of true characterization cement slurry to be measured in the base, so that the characteristic of the matrix of reinforcing to be repaired is adapted to, to slurry
Permeance property carry out effective, accurate quantization signifying.Wherein, cylinder is combined by first shell and second shell and is installed,
Convenient for taking out hardening cylinder from cylinder after the hardening of subsequent cement slurry, the testing efficiency of slurry penetration performance is improved.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are: a kind of cement slurry test equipment are arranged, which includes first
Shell and second shell, second shell and first shell are detachably fixed connection and form cylinder, the inner wall of first shell and second
The inner wall of shell is enclosed the accommodating chamber positioned at inner barrel, and accommodating chamber has the opening injected for test material.Passing through will
First shell and second shell combination are mounted to cylinder;The accommodating chamber 300 that the cylinder is added in the sand material of target grain size is formed
Layer of sand 02;Cement slurry to be measured is poured into the accommodating chamber 300, is layed in the top of the layer of sand 02;In the accommodating chamber 300
In cement slurry hardening after, dismantle the cylinder and take out hardening cylinder;The hardening cylinder is measured in the layer of sand 02
Penetration depth.
Due to the prior art, the permeance property of cement slurry is characterized by viscosity, does not consider the characteristic of matrix itself
Influence, the permeability of measured slurry is not intuitive and accurate, can not achieve the permeance property of slurry is carried out it is effective
Quantization signifying.
The present invention provides a solution, and first shell and second shell are assembled to form the cylinder with accommodating chamber,
Sand material, cement slurry are sequentially added in accommodating chamber, and cement slurry is characterized by penetration depth of the hardening cylinder in layer of sand 02
The permeance property of material, measured result adapt to the characteristic of the matrix of reinforcing to be repaired, can quickly to the permeance property of slurry into
Effective, the accurate quantization signifying of row.
In embodiments of the present invention, a kind of cement slurry test method is proposed, for testing the permeance property of cement slurry.
Specifically, this method is for testing permeance property of the cement slurry in the structure with fine gap.
Referring to Fig.1, the cement slurry test method the following steps are included:
First shell and second shell combination are mounted to cylinder by step S10;
It is cylindrical in shape in the embodiment of the present invention for testing the cement slurry test equipment of cement slurry permeance property, specifically may be used
It is detachably fixed the cylinder being formed by connecting including first shell and second shell, inner barrel is equipped with accommodating test material (such as sand
Material, cement slurry etc.) accommodating chamber 300, which has the opening injected for test material.
The specific structure of cement slurry test equipment can refer to the specific embodiment of following cement slurry test equipment, herein
It does not repeat.
The accommodating chamber 300 that the cylinder is added in the sand material of target grain size is formed layer of sand 02 by step S20;
The sand material of target grain size, which is used to characterize, will use the cement slurry to be measured progress repairing and reinforcing wherein matrix in gap
Self character.When matrix is compact-sized intact solid, target grain can be determined according to width, the depth in the matrix gap etc.
Diameter;When matrix be include structure sheaf (such as soil, sand ground) of multiple structural units composition when, can be according to solid particle in matrix
Partial size etc. determine target grain size.Wherein, the width in gap is bigger, gap depth is more shallow, solid particle partial size is bigger,
Corresponding determining target grain size is bigger.
After sand material is added, it is more quasi- to be conducive to subsequent measured penetration depth for the surface of smooth layer of sand 02
Really.Specifically, shake cylinder that can be slight is with the surface of smooth layer of sand 02, alternatively, can be used the auxiliary implement with plane slotting
Enter in accommodating chamber 300, is carried out using surface of the plane to layer of sand 02 smooth.
Cement slurry to be measured is poured into the accommodating chamber 300, is layed in the top of the layer of sand 02 by step S30;
Cement slurry to be measured is slowly poured into accommodating chamber 300 and forms pulp layer, guarantees the flow velocity of this process cement slurry
It may not exceed preset flow rate, forming bubble etc. to avoid the cement slurry in accommodating chamber 300 leads to the infiltration of subsequent curing cylinder
Depth measurement is inaccurate to lack or influences infiltration of the cement slurry in sand material.The cement slurry poured into accommodating chamber 300 is laid on
The top of layer of sand 02, and as osmosis slowly penetrates into layer of sand 02 from the face of layer of sand 02 and pulp layer.
Step S40 dismantles the cylinder and takes out hardening cylinder after the cement slurry hardening in the accommodating chamber 300;
Entire cylinder is conserved according to certain condition, makes the cement slurry being located at originally in pulp layer in accommodating chamber 300
Material, and infiltrate into the cement slurry condensation hardening in layer of sand 02.After the cement slurry hardening in accommodating chamber 300, by first
Shell and second shell separation, take out the hardening cylinder in cylinder.Hardening cylinder include in pulp layer cement slurry hardening and
At the first cylinder, and connect with the first cylinder, the second cylinder as made of the cement slurry hardening infiltrated into layer of sand 02.
After hardening cylinder taking-up, the modes such as washing, purging can be used to clean hardening damaged surface, removal remains in surface
The loose grains of sand, to make measurement more accurate of subsequent penetration depth.
Step S50 measures penetration depth of the hardening cylinder in the layer of sand 02.
Penetration depth is bigger, then shows that permeance property of the cement slurry 01 to be measured in the sand material of target grain size is better.
Wherein, penetration depth can directly measure to obtain.It is hardened since the first cylinder is single by cement slurry, thus is in
It is now the cylinder of rule, condensation sand material forms after the second cylinder is permeated by cement slurry, thus irregular shape is presented.Hard
Change cylinder rule part and irregular part between connecting line as reference line will hardening cylinder division the first cylinder and
Second cylinder measures maximum distance of second cylinder between one end and reference line of the axis direction of hardening cylinder with graduated scale
As penetration depth.
In the present embodiment, a kind of cement slurry test method of proposition, by combining first shell and second shell
It is mounted to cylinder, the sand material and cement slurry to be measured of target grain size are sequentially added into the accommodating chamber 300 of cylinder, forms layer of sand 02
And pulp layer, wherein the sand material of target grain size can characterize for the matrix that use cement slurry to be measured to carry out repairing and reinforcing itself
Characteristic characterizes cement slurry to be measured by penetration depth of the measurement hardening cylinder in layer of sand 02 after cement slurry hardening
Permeance property, measured penetration depth can the permeance property of intuitive and accurate characterization cement slurry to be measured in the base, from
And the characteristic of the matrix of reinforcing to be repaired is adapted to, effective, accurate quantization signifying is carried out to the permeance property of slurry.Wherein, cylinder
Body is combined by first shell and second shell and is installed, convenient for taking out hardening cylinder from cylinder after the hardening of subsequent cement slurry,
Improve the testing efficiency of slurry penetration performance.
Specifically, the permeance property for the ease of more different cement slurries in the sand material of same target grain size, or
Convenient for the determination etc. of subsequent penetration depth, the cement slurry to be measured of preset vol can be poured into accommodating chamber 300.At this point, will be to
Surveying the step of cement slurry pours into accommodating chamber 300 includes:
Step S31 measures the cement slurry to be measured of preset vol;
Using graduated cylinder or other with fixed capacity (equal with preset vol) or the graduated container of tool etc., measure pre-
If the cement slurry to be measured of volume.
The cement slurry to be measured of preset vol is poured into the accommodating chamber 300 by step S32.
In addition, cement slurry to be measured is poured into institute when the cement slurry to be measured of preset vol is poured into accommodating chamber 300
The step of stating accommodating chamber 300 include:
Step 21,300 to the first preset height of accommodating chamber is added in the sand material, forms the layer of sand 02;
First preset height is the height of layer of sand 02, can be configured according to the actual situation, until need to guarantee cement slurry not
The bottom wall of accommodating chamber 300 can be infiltrated into.
Described that cement slurry to be measured is poured into the accommodating chamber 300, the step of being layed in the top of the layer of sand 02, includes:
The cement slurry to be measured is poured into 300 to the second preset height of accommodating chamber by step S33, is layed in described
The top of layer of sand 02.
Second preset height is greater than the first preset height, the height of the difference pulp layer of the second preset height and the first preset height
Degree.Second preset height is calculated according to the sectional area of preset vol and cylinder, since the sectional area of cylinder is certain, thus, pass through
Aforesaid way measures cement slurry without additional container, also can guarantee the cement to be measured being added in accommodating chamber 300
The volume of slurry 01 is preset vol.Also, this process measures cement slurry without using other measurement containers, avoids cement
Slurry is measuring the test result of subsequent penetration depth of the remaining influence in container, to guarantee measured penetration depth
It is more accurate.
Wherein, the first preset height and the second preset height can be marked corresponding position on cylinder, thus convenient
The operation of tester.
Specifically, described the step of measuring the penetration depth for hardening cylinder in the layer of sand 02, wraps referring to Fig. 2
It includes:
Step S51 measures the total volume of the hardening cylinder;
The total volume of hardening cylinder can be used drainage, weight method etc. and measure.
Step S52 calculates the hardening cylinder in the layer of sand 02 according to the total volume and the preset vol
Permeation volume;
Permeation volume is specially the volume that cement slurry condenses sand material in layer of sand 02.Can will harden the total volume of cylinder with
Permeation volume of the difference of preset vol as hardening cylinder in layer of sand 02.Further, since cement slurry hardening front and back volume meeting
It is variant, therefore also difference can determine corresponding correction factor accordingly, permeation volume is carried out in conjunction with total volume and preset vol
It calculates.
Step S53 calculates the penetration depth according to the permeation volume.
Since the sectional area of cylinder is certain, penetration depth can be calculated divided by the sectional area of cylinder in permeation volume, made
For the characterization parameter of 01 permeance property of cement slurry to be measured.
In addition, the permeance property of cement slurry to be measured can also be characterized directly by permeation volume that step 52 obtains.It seeps
Saturating volume is bigger, can be shown that permeance property of the cement slurry 01 to be measured in the sand material of target grain size is better.
In the present embodiment, since the factors such as sand material is unevenly distributed, air influence, irregular shape is presented in the second cylinder,
Thus, there may be biggish errors as penetration depth for the distance of the second cylinder certain point of single measurement to reference line.Therefore
More accurate penetration depth in order to obtain more accurately characterizes permeability of the cement slurry 01 to be measured in the sand material of target grain size
Can, aforesaid way can be used and determine the permeability parameters of penetration depth or permeation volume as characterization sand material permeance property.
Further, referring to Fig. 3, the accommodating chamber 300 that the cylinder is added in the sand material of target grain size forms layer of sand
02 the step of includes:
Step S22 determines the partial size of target gap width or object construction unit;
The characteristic for having apertured different matrix can be characterized by the partial size of the width in wherein gap or particle.
Thus, when the apertured matrix of 01 pair of cement slurry tool to be measured need to be used to be repaired or reinforced, if matrix is compact complete
When solidating body (non-loose structure), the width in gap in the matrix can measure as target gap width;It includes more for being when matrix
When structure sheaf (loose structure) of a structural unit composition, partial size (such as soil grain for constituting the structural unit of the matrix can measure
Diameter etc.) partial size as object construction unit.
Step S23 determines the target grain size according to the partial size of the target gap width or the object construction unit;
Since the solid particle of different-grain diameter can be correspondingly formed different gaps, the partial size of solid particle is bigger, Duo Gegu
When the compact splicing of body particle, the gap between solid particle is just bigger.Based on this principle, different gap widths can be corresponding with not
The partial size of same sand material, can determine the partial size of corresponding sand material as target grain size according to determining target gap width.
In addition, it is identical that the identical solid particle of partial size forms gap when the shape of solid particle is identical.It therefore, can be first
Determine whether the shape of the object construction unit in matrix is consistent with sand material, if unanimously can be directly by the partial size of object construction unit
As target grain size;If inconsistent, the conversion coefficient of pore size between two kinds of shapes can be obtained, according to object construction unit
Partial size and conversion coefficient calculate target grain size.
Step S24, according to the spare sand material of the target grain size screen analysis;
Spare sand material can be acquisition, the sand grains including a variety of different-grain diameters from raw material supplier.Determine target grain size
The sieve that corresponding mesh number can be selected afterwards carries out screen analysis to spare sand material.
The accommodating chamber 300 that the cement slurry test equipment is added in sand material after screen analysis is formed the layer of sand by step S25
02。
By the above-mentioned means, be suitable for it is to be repaired or reinforce matrix characteristic, by the permeance property of cement slurry come
Suitable cement slurry is selected to repair or reinforce the matrix.
Further, in the cement slurry test method, after step S50, it can determine whether penetration depth is greater than or waits
Corresponding gap width conduct is determined according to target grain size when penetration depth is greater than or equal to preset threshold in preset threshold
The width in the permeable crack of cement slurry is guessed, in order to use cement to be measured to repair or reinforce the crack with above-mentioned width
Matrix.When obtained penetration depth is less than preset threshold, it is believed that cement slurry to be measured is not suitable for repairing or reinforcing tool
There is the matrix in the crack of above-mentioned width.By the above-mentioned means, convenient for select suitable cement slurry to have crannied matrix into
Row repairing is reinforced.
In addition, also proposing a kind of cement slurry test equipment in embodiments of the present invention, it is applied to above-mentioned cement slurry and surveys
Method for testing tests the permeance property of cement slurry.Referring to Fig. 4, which includes first shell 100 and second
Shell 200.First shell 100 and second shell 200 are detachably fixed connection and form cylinder, the inner wall of first shell 100 and institute
The inner wall for stating second shell 200 is enclosed accommodating chamber 300 positioned at inner barrel, and accommodating chamber 300 has to be infused for test material
The opening entered.
The inner wall of first shell 100 forms the first atrium, and the inner wall of second shell 200 forms the second atrium.Specifically
, the shape of semi arch is presented in the cross section of first shell 100 and second shell 200, and connecting the cylinder formed is cylinder.This
Outside, first shell 100, second shell 200, the shape of cylinder can be also specifically arranged according to actual needs, as cylinder is presented
Prismatic or other irregular shapes etc..
First shell 100 and second shell 200 are detachably fixed after connection forms cylinder, in the inside of cylinder, first shell
The inner wall of body 100 and the inner wall of the second shell 200 are enclosed the accommodating chamber 300 with opening, and the opening is for cement
In dependence test material (such as sand material, cement slurry) the injection accommodating chamber 300 of slurry penetration performance test.Specifically, first
Atrium has the first accent along the axial direction of first shell 100, and the second atrium has the second chamber along the axial direction of second shell 200
Mouthful, when first shell 100 and second shell 200 are detachably fixed connection, above-mentioned second accent of the border seal of the first accent.
Specifically, first shell 100 and second shell 200 can be carried out by connectors such as buckle, screw, bolt, bolts
Be detachably fixed connection, can also be realized by the inserting mode of interference fit between first shell 100 and second shell 200 can
Disassembly is fixedly connected.
Wherein, first shell 100 is equipped with flange along the edge of above-mentioned cylinder axial direction, and second shell 200 is along above-mentioned drum shaft
To edge be equipped with the groove that is cooperatively connected with flange.It, can be by first shell when first shell 100 and second shell 200 assemble
The flange of body 100 is inserted in the groove of second shell 200, to realize that the positioning between first shell 100 and second shell 200 connects
It connects.It wherein, can be interference fit connection between flange and groove, to realize consolidating between first shell 100 and second shell 200
It is fixed.By the setting of flange and groove, directly connecting flange with groove can make first shell 100 and second shell 200 fast
Speed is enclosed cylinder.
In the present embodiment, installation is detachably connected by first shell 100 and second shell 200 to be formed applied to above-mentioned
The cement slurry test equipment of cement slurry test method, convenient for taking out hardening cylinder from cylinder after the hardening of subsequent cement slurry,
Improve the testing efficiency of slurry penetration performance.
The accommodating chamber 300 formed in cylinder has side wall and bottom wall.In order to avoid air pressure is to the osmosis of cement slurry
Influence, lead to obtained penetration depth inaccuracy.It can be equipped on the side wall and/or bottom wall of the bottom of accommodating chamber 300
Stomata 400, after so that cement slurry is filled with the gap of layer of sand 02, original air can be discharged from air hole 400 and accommodate in gap
Outside chamber 300, to improve the accuracy of obtained penetration depth.
Specifically, the first shell 100 include the first noumenon 110 and connect with the first noumenon 110 first every
Plate 120, the second shell 200 includes the second ontology 110 and the second partition 220 connecting with second ontology 110, described
The first noumenon 110, second ontology 110, the first partition 120 and the second partition 220 are enclosed the receiving
Chamber 300, the first partition 120 and the second partition 220 connect the bottom wall for forming the accommodating chamber 300, between the bottom wall
Every being distributed with multiple air holes 400.The first noumenon 110 and first partition 120 enclose above-mentioned first atrium, the second ontology
110 and second partition 220 enclose above-mentioned second atrium.When first shell 100 and second shell 200 enclose cylinder,
The first noumenon 110 is connect with the second ontology 110 along the edge of cylinder axial direction along the edge of cylinder axial direction, the side of first partition 120
Edge is connect with the edge of second partition 220, and the first noumenon 110, the second ontology 110, first partition 120 are enclosed with second partition 220
Conjunction forms above-mentioned accommodating chamber 300, and first partition 120, second partition 220 connect the bottom wall for forming accommodating chamber 300, bottom wall can valence
Lattice distribution is equipped with multiple air holes 400.The aperture of air hole 400 is settable within a preset range, and aperture is greater than preset range then
It can lead to the sand material in layer of sand 02 to be excessively lost and influence test and carry out, aperture, which is less than preset range, will affect air in layer of sand 02
Rate of discharge, cause the inaccuracy of penetration depth.Due to gravity, cement slurry squeezes the air in the gap of layer of sand 02
The active force of pressure downward, thus, in the present embodiment, air hole 400 is set to the bottom wall of accommodating chamber 300, convenient in layer of sand 02
Air be quickly discharged.
First partition 120 can be fixedly connected with the first noumenon 110, and second partition 220 can be with the fixed company of the second ontology 110
It connects.Further, since be fixedly connected on the first partition 120 of the first noumenon 110 be fixedly connected on the second of the second ontology 110 every
Plate 220 needs to be aligned in the assembling of cylinder, just can guarantee that the test material in accommodating chamber 300 will not be from the gap generated by dislocation
Middle leakage.Thus, following manner can be taken to be arranged: the first partition 120 and the mating connection of the first noumenon 110,
The second partition 220 and the mating connection of second ontology 110, the first partition 120 and the second partition 220
It is integrally formed.Integrally formed first partition 120 and second partition 220, which are spaced apart, is equipped with multiple formation of air holes 400 one
Air permeable plate.One end of the first noumenon 110 can be equipped with the first recessed portion cooperated with air permeable plate, and the second ontology 110 corresponding first is recessed
The position of concave portion is equipped with the second recessed portion cooperated with air permeable plate.In cylinder assembling, air permeable plate is inserted into the first recess respectively
Behind portion and the second recessed portion, then carry out the first noumenon 110 and the second ontology 110 to be detachably fixed connection.By the above-mentioned means,
The step of tester is aligned first partition 120 and second partition 220 in cylinder assembling can be reduced, cylinder is quickly finished
Assembling, while guaranteeing that the cylinder of assembling can meet and the test of cement slurry permeance property is carried out using above-mentioned cement slurry test method
Demand.
Further, the cement slurry test equipment further includes pedestal 500, and the cylinder is close to the accommodating chamber 300
One end of bottom is installed on the top of the pedestal 500, is equipped with airflow channel, the side wall of the pedestal 500 in the pedestal 500
Venthole 510 is offered, each air hole 400 and the venthole 510 are connected to the airflow channel.
In order to guarantee that the air being discharged from accommodating chamber 300 is negotiable to outside cylinder, air is avoided to be detained shadow in cylinder
Ring test effect.Cylinder is installed on the top equipped with airflow channel close to one end of 300 bottom of accommodating chamber, is made from accommodating chamber
The air that the air hole 400 of 300 bottom wall is discharged can be expelled to outside cylinder by airflow channel from venthole 510.In addition, also
Can be not provided with above-mentioned pedestal 500, first shell 100 and second shell 200 assembling form cylinder when, first partition 120 with
The inside of cylinder is separated into above-mentioned accommodating chamber 300 and discharge chamber, first shell 100 and/or second shell by second partition 220
200 side wall can be equipped with the venthole 510 being connected to discharge chamber, thus outside the air circulation to cylinder in accommodating chamber 300
Portion.
Specifically, referring to Fig. 5, the first shell 100 is equipped with first connecting portion 130, and the second shell 200 is equipped with the
Two interconnecting pieces 230, the cement slurry test equipment further include fastener 600, and the fastener 600 is detachably fixed connection institute
State first connecting portion 130 and the second connecting portion 230.First connecting portion 130 can be to be convexly equipped in 100 outer wall of first shell and lean on
The first lug that nearly first shell 100 is arranged along the edge of cylinder axial direction, second connecting portion 230 can be to be convexly equipped in second shell
200 outer walls and the second lug being arranged close to second shell 200 along the edge of cylinder axial direction.It is fixed that first lug is equipped with first
Hole, the second fixation hole being correspondingly arranged with the first fixation hole is equipped on the second lug, and the first fixation hole and the second fixation hole connect
It is logical to form installation passage.Fastener 600 include interconnecting piece and tight lock part, the interconnecting piece include sequentially connected first end,
Middle part and the second end, middle part are arranged in installation passage, and first end is convexly equipped in the outer surface of first lug, and the second end is convex
Set on the outer surface of the second lug.Tight lock part includes the first locking member and the second locking member, and the first locking member and first end can
Disassembly is fixedly connected (such as by being threadedly engaged connection), and the second locking member, which is detachably fixed to connect with the second end, (such as to be passed through
It is threadedly engaged connection etc.), so that first lug is locked with the second lug.In addition, can also be set in first lug and the second lug
There is threaded hole, is directly realized with screw and be detachably fixed connection between first shell 100 and second shell 200.By above-mentioned
Mode realizes the fixation between first shell 100 and second shell 200, it is ensured that the leakproofness of accommodating chamber 300 guarantees test knot
The accuracy of fruit.Wherein, first lug can be equipped at intervals with multiple close to the edge of first shell 100, and the second lug can also correspond to
First lug be equipped at intervals with close to the edge of second shell 200 it is multiple, to improve integrally-built stability and accommodating chamber 300
Leakproofness.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.