CN209624253U - A kind of pavement material intensity test device - Google Patents
A kind of pavement material intensity test device Download PDFInfo
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- CN209624253U CN209624253U CN201920108716.1U CN201920108716U CN209624253U CN 209624253 U CN209624253 U CN 209624253U CN 201920108716 U CN201920108716 U CN 201920108716U CN 209624253 U CN209624253 U CN 209624253U
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Abstract
The utility model relates to a kind of pavement material intensity test devices, belong to road surface checking device technical field, including pedestal, two vertical plates, crossbeam, briquetting component, semi arch plate is respectively arranged between briquetting component and two vertical plates, and the cross section of two semi arch plates forms an annulus, the bottom end of semi arch plate and pedestal sliding connection, compression assembly and limit assembly are provided between semi arch plate and vertical plate, limit assembly includes the limit plate inconsistent with semi arch plate positive camber, it is provided with the pockets of base top surface, the second compressed spring being installed between pockets and limit plate, the length of limit plate is greater than the diameter of semi arch plate.The pavement material intensity test device, pass through two semi arch plates, the residue splashes for preventing ground surface material from generating when detecting, pass through the mutual cooperation of compression assembly and limit assembly, convenient for clearing up residue, simultaneously because limit plate and semi arch plate are inconsistent, the stability that two semi arch plates use is improved.
Description
Technical field
The utility model relates to road surface checking device technical field, in particular to a kind of pavement material intensity test device.
Background technique
Pavement material intensity test device is a kind of multifunctional road roadbed, ground surface material test apparatus, can be with road pavement
Material carries out compression strength, bending strength, splitting, Marshall stability etc. and is detected.
Currently, the patent document that authorized announcement date is 2015.12.30, Authorization Notice No. is CN204924794U discloses
A kind of pavement material intensity tester, including pedestal, reduction gearbox, column, crossbeam and housing are provided with lead screw, lead screw on pedestal
To be equipped with pushing fast for upper end, push and be provided with stroke limit on fast, lead screw protective case is provided on lead screw, is provided on column
Column protective case, the lower end of crossbeam are provided with upper holder block, and pressure sensor is equipped on upper holder block, and lead screw protective case and column are protected
Spring is provided in sheath.The pavement material intensity tester, can be realized the detection of the road pavement strength of materials, but
When surface intensity of satisfying the need is detected, ground surface material is easy to generate crack under the action of upper holder block, generates residue simultaneously when serious
Splashes, or even operator is damaged, therefore there are security risks.
Utility model content
The purpose of this utility model is to provide a kind of pavement material intensity test devices, by the periphery of briquetting component
Two semi arch plates, the residue splashes for preventing ground surface material from generating when detecting are arranged in face, and pass through compression assembly and limit
The mutual cooperation of hyte part, simultaneously because limit plate and semi arch plate positive camber are inconsistent, improves convenient for clearing up residue
The stability that two semi arch plates use.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pavement material intensity test device, including in cuboid-type setting pedestal, two be vertically installed in pedestal
Along its length the vertical plate of both ends top surface, be installed between two vertical plates and be located above pedestal crossbeam, be arranged in crossbeam
The briquetting component tested between pedestal for road pavement material, is respectively set between the briquetting component and two vertical plates
There is semi arch plate, the briquetting component is located between two semi arch plates, the equal direction of bending direction of two semi arch plates
Briquetting component setting, the axis of two semi arch plates are arranged along short transverse, and two semi arch plates is transversal
Face combines to form an annulus, and the bottom end of the semi arch plate and pedestal sliding connection are set between the semi arch plate and vertical plate
It is equipped with the compression assembly for adjusting distance between briquetting component and semi arch plate, is provided between the semi arch plate and vertical plate
For limiting the limit assembly of semi arch Board position, the limit assembly includes inconsistent with semi arch plate positive camber and along pedestal
The limit plate of width direction, is installed in pockets bottom surface at the pockets for being provided with base top surface and being used to accommodate limit plate
The second compressed spring between limit plate bottom end, the length of the limit plate are greater than the diameter of semi arch plate.
By using above-mentioned technical proposal, when briquetting component road pavement material is tested, two semi arch plates are being pressed
Inconsistent under the action of contracting component, limit plate and semi arch plate are inconsistent at this time, prevent two semi arch plates because by residue
Active force and separate, influence its using effect, when needing to clear up residue, press down on limit plate, make limit plate position
It is mobile to separate briquetting component direction in pockets, pulling semi arch plate, and semi arch plate is made to be located at vertical plate and limit plate
Between, limit plate and semi arch plate are inconsistent along the both ends of its circumferential direction at this time, realize the limit of double of arc plate, right later
Residue is cleared up.The pavement material intensity test device is arranged two semi arch plates by the outer peripheral surface in briquetting component, prevents
The only residue splashes that ground surface material generates when detecting, and pass through the mutual cooperation of compression assembly and limit assembly, it is convenient for
Residue is cleared up, simultaneously because limit plate and semi arch plate positive camber are inconsistent, improves what two semi arch plates used
Stability.
The utility model is further arranged to: two semi arch plate discord briquetting components are inconsistent.
By using above-mentioned technical proposal, prevents semi arch project from ringing the test of briquetting component road pavement material, improve
The stability and accuracy that pavement material intensity detection device uses.
The utility model is further arranged to: the limit plate bottom end is installed with the first gag lever post, the pockets top
End medial surface is installed with the second gag lever post compatible with the first gag lever post.
By using above-mentioned technical proposal, the mutual cooperation of the first gag lever post and the second gag lever post prevents limit plate calm
Groove of receiving is interior to be detached from, and the stability that limit assembly uses is improved.
The utility model is further arranged to: the quantity of the compression assembly is set as two, two compression assemblies
It is arranged along base width direction interval.
By using above-mentioned technical proposal, the mobile stability of semi arch plate is improved.
The utility model is further arranged to: the compression assembly includes fixes sleeve open at one end and hollow, is arranged
The sliding bar of connection is slid in fixes sleeve and with it, the inner bottom surface of the fixes sleeve is installed on vertical plate, the sliding
One end of bar is located in fixes sleeve, the other end is located at outside fixes sleeve, and the sliding bar is in the one end being located in fixes sleeve
The first compressed spring is installed between fixes sleeve inner bottom surface, the other end is installed on semi arch plate.
By using above-mentioned technical proposal, compressed spring applies active force to sliding bar, and sliding bar applies to semi arch plate
Active force, and keep two semi arch plates inconsistent, need to adjust briquetting component and semi arch plate apart from when, drive semi arch plate
It is mobile to separate briquetting component direction, to realize the adjusting of distance between briquetting component and semi arch plate.
The utility model is further arranged to: the briquetting component includes being installed in base top surface and the branch along short transverse
Strut, the lower lock block for being installed in supporting bar top and being overlapped with its axis are arranged in above lower lock block and are overlapped with its axis
Upper holder block is installed in the hydraulic cylinder between upper holder block and crossbeam and being used to that upper holder block to be driven to move along short transverse, the pushing
Block, the setting of upper holder block even level direction, the lower lock block, upper holder block are disposed as circular slab.
Ground surface material is placed on lower lock block when road pavement material is detected by using above-mentioned technical proposal,
Start hydraulic cylinder, hydraulic cylinder drives lower lock block to move down along short transverse, and realizes the detection of road pavement material.
The utility model is further arranged to: the lower lock block, upper holder block are disposed as round stainless steel plate.
By using above-mentioned technical proposal, the service life of lower lock block, upper holder block is improved.
The utility model is further arranged to: it is installed with pressure sensor on the lower lock block, it is fixed on the upper holder block
There is displacement sensor.
By using above-mentioned technical proposal, convenient for being positioned to upper holder block along the position that short transverse moves, while just
It is detected in the pressure to lower lock block.
The utility model is further arranged to: the briquetting component is respectively set in two inconsistent two sides of semi arch plate
There is conflict plate, the conflict plate is installed on pedestal, and two semi arch plates offer respectively along the both ends of its circumferential direction
Recessing groove compatible with plate is contradicted.
By using above-mentioned technical proposal, when two semi arch plates are in use state, two semi arch plates are inconsistent,
It contradicts plate to be located in the gap of two semi arch plates formation, limit plate and semi arch plate are inconsistent.Contradict double of arc plate of plate
Position is positioned, and is prevented semi arch plate and briquetting component inconsistent and influence the detection of ground surface material, is improved ground surface material
The stability and accuracy that intensity detecting device uses.
The utility model is further arranged to: the height for contradicting plate is lower than the height of semi arch plate.
By using above-mentioned technical proposal, the dosage for contradicting plate is reduced, reduces the blocking for contradicting plate to residue, to make residual
The cleaning of slag is more convenient, cleaner.
In conclusion the utility model has the following beneficial effects:
1, two semicircles are arranged by the outer peripheral surface in briquetting component in the pavement material intensity test device of the utility model
Arc plate, the residue splashes for preventing ground surface material from generating when detecting, and pass through the phase interworking of compression assembly and limit assembly
It closes, convenient for clearing up residue, simultaneously because limit plate and semi arch plate positive camber are inconsistent, improves two semi arch plates
The stability used.
2, semi arch plate discord briquetting component is inconsistent, prevents semi arch project from ringing the survey of briquetting component road pavement material
Examination, improves the stability and accuracy that pavement material intensity detection device uses.
3, the quantity of compression assembly is set as two, improves the mobile stability of semi arch plate, while passing through fixing sleeve
The mutual cooperation of cylinder, sliding bar, the first compressed spring makes the processing of compression assembly and using more convenient.
4, by the way that conflict block is arranged in the side of lower lock block, keep the use of semi arch plate more convenient, more stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the partial sectional view in embodiment in order to indicate lower lock block；
Fig. 3 is the partial sectional view in embodiment in order to indicate compression assembly, limit assembly；
Fig. 4 is the partial sectional view in embodiment in order to indicate limit assembly；
Fig. 5 is the portion the A enlarged drawing in Fig. 4；
Fig. 6 is that semi arch plate is in structural schematic diagram when cleaning in embodiment.
In figure, 1, pedestal；11, vertical plate；12, crossbeam；13, pockets；14, the second gag lever post；2, briquetting component；21,
Lower lock block；211, pressure sensor；22, support rod；23, upper holder block；231, displacement sensor；24, hydraulic cylinder；3, semi arch
Plate；4, compression assembly；41, fixes sleeve；411, spacing block set；42, sliding bar；421, retention bead；423, the first compression bullet
Spring；5, limit assembly；51, limit plate；511, the first gag lever post；52, the second compressed spring；6, plate is contradicted.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and examples.
A kind of pavement material intensity test device, as shown in Figure 1, including pedestal 1, pedestal 1 is arranged in cuboid-type, pedestal
1 along its length the top surface at both ends be respectively perpendicular and be installed with vertical plate 11, i.e., the quantity of vertical plate 11 is two.Vertical plate 11 is along height
Direction setting, vertical plate 11 are set as rectangular slab.Crossbeam 12 in the horizontal direction is installed between the top of two vertical plates 11, it is horizontal
Beam 12 is arranged along 1 length direction of pedestal.Briquetting component 2 is provided between crossbeam 12 and pedestal 1.
As depicted in figs. 1 and 2, briquetting component 2 includes the lower lock block 21 that 1 top of pedestal is arranged in, and lower lock block 21 is circle
Stainless steel plate, lower lock block 21 are horizontally disposed.Support rod 22,22 edge of support rod are provided between lower lock block 21 and pedestal 1
Short transverse setting, the axis of support rod 22 and the axis of lower lock block 21 are overlapped, the circular in cross-section setting of support rod 22, branch
The bottom end of strut 22 is fixedly connected with pedestal 1, and the top of support rod 22 is fixedly connected with lower lock block 21.It is installed on lower lock block 21
Pressure sensor 211.The top of lower lock block 21 is provided with upper holder block 23, and upper holder block 23 is provided in round stainless steel plate, upper holder block
23 is horizontally disposed, and the axis of upper holder block 23 and the axis of lower lock block 21 are overlapped.It is fixed between upper holder block 23 and crossbeam 12
There is hydraulic cylinder 24, the hydraulic stem of hydraulic cylinder 24 is installed on the top surface of upper holder block 23, and the one end of hydraulic cylinder 24 far from hydraulic stem is solid
It is located on crossbeam 12.Displacement sensor 231 is installed on upper holder block 23.
When road pavement material is detected, ground surface material is placed on lower lock block 21, starts hydraulic cylinder 24, hydraulic cylinder
24 drive lower lock blocks 21 are moved down along short transverse, and realize the detection of road pavement material.
As depicted in figs. 1 and 2, semi arch plate 3, i.e. semi arch plate are respectively arranged between lower lock block 21 and two vertical plates 11
3 quantity is two, and two semi arch plates 3 and two vertical plates 11 correspond.The axis of semi arch plate 3 and lower lock block 21
Axis is overlapped, and the cross section of semi arch plate 3 is arranged in semi-circular shape, and the bottom end of semi arch plate 3 and the sliding of 1 top surface of pedestal connect
It connects, the inner sidewall of semi arch plate 3 is installed with abrasionproof hyaline membrane.The cross section of two semi arch plates 3 combines to form an annulus, under
Briquetting 21 is located between two semi arch plates 3, and 3 non-contravention of lower lock block 21 and semi arch plate.
As depicted in figs. 1 and 2, the residue for the ease of road pavement material is cleared up, between semi arch plate 3 and vertical plate 11
It is arranged there are two the compression assembly 4 for adjusting distance between lower lock block 21 and semi arch plate 3, two compression assemblies 4 are along pedestal 1
The setting of width direction interval, i.e., the total quantity of compression assembly 4 is four in the present embodiment.It is set between semi arch plate 3 and vertical plate 11
It is equipped with the limit assembly 5 for limiting 3 position of semi arch plate, i.e., the total quantity of limit assembly 5 is two in the present embodiment.
As shown in Figure 3 and Figure 4, compression assembly 4 includes the fixes sleeve 41 along the setting of 1 length direction of pedestal, fixes sleeve
41 are arranged in cylinder type open at one end and hollow, and the outer bottom of fixes sleeve 41 is installed on the side of vertical plate 11.Knot
It closes shown in Fig. 5, the sliding bar 42 for sliding connection with it is arranged in fixes sleeve 41, one end of sliding bar 42 is located at fixes sleeve
41 is interior, the other end is located at outside fixes sleeve 41.Outer peripheral surface of the sliding bar 42 in the one end being located in fixes sleeve 41 is fixed limited
Position protrusion 421, the inner sidewall of 41 open end of fixes sleeve is installed with spacing block set 411 compatible with retention bead 421.Sliding
Bar 42 is installed with the first compressed spring 423 between 41 inner bottom surface of one end and fixes sleeve being located in fixes sleeve 41.Sliding
Bar 42 is fixedly connected on the positive camber of semi arch plate 3 in the one end being located at outside fixes sleeve 41.
As shown in Figure 3 and Figure 4, limit assembly 5 include be arranged between vertical plate 11 and semi arch plate 3 and with semi arch plate 3
The inconsistent limit plate 51 of positive camber, limit plate 51 are arranged along 1 width direction of pedestal, and the length of limit plate 51 is greater than semi arch
The diameter of plate 3, the top surface of pedestal 1 offer the pockets 13 for accommodating limit plate 51.The outer peripheral surface of 51 bottom end of limit plate
It is installed with the first gag lever post 511, the inner sidewall on 13 top of pockets is installed with compatible with the first gag lever post 511 respectively
Two gag lever posts 14.The bottom end of limit plate 51 and the bottom surface of pockets 13 are fixed there are two the second compressed spring 52, and two second
Compressed spring 52 is arranged along 51 length direction interval of limit plate.
As shown in Figure 1, lower lock block 21 is inconsistent in two semi arch plates 3 in order to keep the use of semi arch plate 3 more convenient
Two sides, which are respectively arranged with, contradicts plate 6, i.e. the quantity of conflict plate 6 is two.The height for contradicting plate 6 is lower than the height of semi arch plate 3,
It contradicts plate 6 to be installed on the top surface of pedestal 1, and two semi arch plates 3 are offered and contradicted respectively along the both ends of its circumferential direction
Plate 6 is compatible, contradicts plate 6 and is located in the gap of two semi arch plates 3 formation.
As shown in Figure 1, two semi arch plates 3 are in the first compressed spring when 2 road pavement material of briquetting component is tested
It is inconsistent under the action of 423, it contradicts plate 6 and is located in the gap of two semi arch plates 3 formation, at this time limit plate 51 and semi arch plate
3 is inconsistent, prevents two semi arch plates 3 from separating due to the active force by residue, influences its using effect.As shown in connection with fig. 6,
When needing to clear up residue, limit plate 51 is pressed down on, and be located at limit plate 51 in pockets 13, pulls semicircle
Arc plate 3 is mobile to separate 21 direction of lower lock block, and separates semi arch plate 3 and limit plate 51, and semi arch plate 3 is located at vertical plate at this time
Between 11 and limit plate 51, and limit plate 51 moves up under the action of the second compressed spring 52, and with semi arch plate 3 along it
The both ends of circumferential direction are inconsistent, realize the limit of double of arc plate 3, clear up later residue；After for clearance, to
Lower pressing limit plate 51, and it is located at limit plate 51 in pockets 13, effect of the semi arch plate 3 in the first compressed spring 423
Lower and conflict plate 6 is inconsistent, and two semi arch plates 3 are inconsistent at this time.The pavement material intensity test device, by briquetting
Two semi arch plates 3, the residue splashes for preventing ground surface material from generating when detecting are arranged in the outer peripheral surface of component 2, and pass through
The mutual cooperation of compression assembly 4 and limit assembly 5, convenient for clearing up residue, simultaneously because limit plate 51 and semi arch plate 3
Positive camber is inconsistent, improves the stability that two semi arch plates 3 use.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of pavement material intensity test device, including in cuboid-type setting pedestal (1), two be vertically installed in pedestal
(1) vertical plate (11) of both ends top surface, the cross for being installed between two vertical plates (11) and being located above pedestal (1) along its length
The briquetting component (2) tested for road pavement material, feature is arranged between crossbeam (12) and pedestal (1) in beam (12)
It is: is respectively arranged with semi arch plate (3) between the briquetting component (2) and two vertical plates (11), briquetting component (2) position
Between two semi arch plates (3), the bending direction of two semi arch plates (3) is arranged towards briquetting component (2), and two
The axis of the semi arch plate (3) is arranged along short transverse, and the cross section of two semi arch plates (3) combines to form one
A annulus, the bottom end of the semi arch plate (3) and pedestal (1) sliding connection, set between the semi arch plate (3) and vertical plate (11)
It is equipped with the compression assembly (4) for adjusting distance between briquetting component (2) and semi arch plate (3), the semi arch plate (3) and vertical
The limit assembly (5) for limiting semi arch plate (3) position is provided between plate (11), the limit assembly (5) includes and half
Arc plate (3) positive camber it is inconsistent and along the limit plate (51) of pedestal (1) width direction, be provided with pedestal (1) top surface and be used for
Accommodate the pockets (13) of limit plate (51), second be installed between pockets (13) bottom surface and limit plate (51) bottom end
Compressed spring (52), the length of the limit plate (51) are greater than the diameter of semi arch plate (3).
2. a kind of pavement material intensity test device according to claim 1, it is characterised in that: two semi arch plates
(3) discord briquetting component (2) is inconsistent.
3. a kind of pavement material intensity test device according to claim 1, it is characterised in that: limit plate (51) bottom
End is installed with the first gag lever post (511), and pockets (13) the top inner side face is installed with and the first gag lever post (511) Xiang Shi
The second gag lever post (14) matched.
4. a kind of pavement material intensity test device according to claim 1, it is characterised in that: the compression assembly (4)
Quantity be set as two, two compression assemblies (4) are arranged along pedestal (1) width direction interval.
5. a kind of pavement material intensity test device according to claim 1, it is characterised in that: the compression assembly (4)
Including fixes sleeve (41) open at one end and hollow, the sliding bar for being set in fixes sleeve (41) and sliding connection with it
(42), the inner bottom surface of the fixes sleeve (41) is installed on vertical plate (11), and one end of the sliding bar (42) is located at fixing sleeve
Cylinder (41) in, the other end be located at fixes sleeve (41) outside, the sliding bar (42) in be located at fixes sleeve (41) in one end with
The first compressed spring (423) is installed between fixes sleeve (41) inner bottom surface, the other end is installed on semi arch plate (3).
6. a kind of pavement material intensity test device according to claim 1, it is characterised in that: the briquetting component (2)
Including be installed in pedestal (1) top surface and along the support rod of short transverse (22), be installed in support rod (22) top and with its axis
The lower lock block (21) of coincidence, is installed in upper holder block at the upper holder block (23) for being arranged above lower lock block (21) and being overlapped with its axis
(23) hydraulic cylinder (24) between crossbeam (12) and for driving upper holder block (23) to move along short transverse, the lower lock block
(21), upper holder block (23) even level direction is arranged, and the lower lock block (21), upper holder block (23) are disposed as circular slab.
7. a kind of pavement material intensity test device according to claim 6, it is characterised in that: the lower lock block (21),
Upper holder block (23) is disposed as round stainless steel plate.
8. a kind of pavement material intensity test device according to claim 7, it is characterised in that: on the lower lock block (21)
It is installed with pressure sensor (211), is installed with displacement sensor (231) on the upper holder block (23).
9. a kind of pavement material intensity test device according to claim 1, it is characterised in that: the briquetting component (2)
It is respectively arranged in two inconsistent two sides of semi arch plate (3) and contradicts plate (6), the conflict plate (6) is installed in pedestal (1)
On, two semi arch plates (3) offer respectively along the both ends of its circumferential direction and contradict plate (6) compatible recessing groove.
10. a kind of pavement material intensity test device according to claim 9, it is characterised in that: conflict plate (6)
Height is lower than the height of semi arch plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108716.1U CN209624253U (en) | 2019-01-22 | 2019-01-22 | A kind of pavement material intensity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108716.1U CN209624253U (en) | 2019-01-22 | 2019-01-22 | A kind of pavement material intensity test device |
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| CN209624253U true CN209624253U (en) | 2019-11-12 |
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| CN201920108716.1U Active CN209624253U (en) | 2019-01-22 | 2019-01-22 | A kind of pavement material intensity test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112683204A (en) * | 2020-12-09 | 2021-04-20 | 安徽坤源铝业有限公司 | Detection device is used in aluminum plate production |
| CN113899627A (en) * | 2021-12-09 | 2022-01-07 | 潍坊市凯隆机械有限公司 | Molding sand strength detection device |
| CN114509335A (en) * | 2020-11-16 | 2022-05-17 | 中国石油天然气集团有限公司 | Method for detecting Bauschinger effect value of steel plate for welded pipe |
| CN116359029A (en) * | 2023-06-01 | 2023-06-30 | 扬州市润泰工程质量检测有限公司 | Building material compressive strength detection device |
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2019
- 2019-01-22 CN CN201920108716.1U patent/CN209624253U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509335A (en) * | 2020-11-16 | 2022-05-17 | 中国石油天然气集团有限公司 | Method for detecting Bauschinger effect value of steel plate for welded pipe |
| CN114509335B (en) * | 2020-11-16 | 2024-04-30 | 中国石油天然气集团有限公司 | Method for detecting Bactger effect value of steel plate for welded pipe |
| CN112683204A (en) * | 2020-12-09 | 2021-04-20 | 安徽坤源铝业有限公司 | Detection device is used in aluminum plate production |
| CN112683204B (en) * | 2020-12-09 | 2022-10-21 | 安徽坤源铝业有限公司 | Detection device is used in aluminum plate production |
| CN113899627A (en) * | 2021-12-09 | 2022-01-07 | 潍坊市凯隆机械有限公司 | Molding sand strength detection device |
| CN113899627B (en) * | 2021-12-09 | 2022-03-22 | 潍坊市凯隆机械有限公司 | Molding sand strength detection device |
| CN116359029A (en) * | 2023-06-01 | 2023-06-30 | 扬州市润泰工程质量检测有限公司 | Building material compressive strength detection device |
| CN116359029B (en) * | 2023-06-01 | 2023-08-01 | 扬州市润泰工程质量检测有限公司 | Building material compressive strength detection device |
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