CN115791408B - Cement concrete column resistance to compression survey device - Google Patents
Cement concrete column resistance to compression survey device Download PDFInfo
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- CN115791408B CN115791408B CN202310071924.XA CN202310071924A CN115791408B CN 115791408 B CN115791408 B CN 115791408B CN 202310071924 A CN202310071924 A CN 202310071924A CN 115791408 B CN115791408 B CN 115791408B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention provides a cement concrete column compression resistance measuring device which comprises a measuring frame, wherein two inner cylinders are symmetrically arranged in the measuring frame, an inner cylinder cover is arranged at the top of each inner cylinder, an inner cylinder cover hole is formed in the inner cylinder cover, a ball plate is arranged at the bottom of the inner cylinder cover, a first built-in groove and three ball plate holes are formed in the ball plate, a connecting shaft is inserted into the circumferential inner wall of the first built-in groove in an inserting mode, an inner frame is arranged in each inner cylinder, a spring plate is fixedly connected to the bottom of the inner frame, a bottom frame is fixedly connected to the bottom of each inner cylinder, two frames are symmetrically and fixedly connected to the top of the bottom frame, a portal frame is fixedly connected between the tops of the two frames, a driver is sleeved at the top of the portal frame, and a push plate is arranged at the output end of the driver. The invention can limit the measuring process in the inner cylinder while achieving the batch measurement, thereby avoiding the external damage caused by the splashed broken stones of the cement concrete column, and ensuring the safety and stability of the measurement by matching with a pipeline for dust transfer.
Description
Technical Field
The invention relates to the technical field of concrete column compression resistance measurement, in particular to a compression resistance measurement device for a cement concrete column.
Background
The building engineering is a project entity which is used for planning, surveying, designing, constructing and completing various technical works such as building construction and auxiliary structure facilities for new construction, reconstruction or extension, and is an installation project of lines, pipelines and equipment matched with the project entity, and is also a general name of various buildings and engineering facilities which provide material technical foundation for human life and production.
In construction works, a variety of construction materials are used, and the construction materials are various materials used in construction works. The building materials are various in types, and are roughly divided into: inorganic materials, including metallic materials and non-metallic materials; organic materials, including plant materials, synthetic polymer materials and asphalt materials; composite materials, including asphalt concrete, polymer concrete, etc., are generally formed by compounding inorganic non-metallic materials with organic materials, including cement concrete columns.
The existing cement concrete column for construction engineering needs to be tested for ensuring safety before being matched with construction engineering, wherein the existing cement concrete column for construction engineering contains a compression test, the existing compression test lacks an effective batch treatment mode, and the cement concrete column for construction engineering can generate a broken stone splashing condition in the compression fracture process, so that the safety is low, and a large amount of dust also influences the safety of the determination environment. Therefore, the invention provides a compression resistance measuring device for a cement concrete column.
Disclosure of Invention
The invention aims to provide a compression testing device for a cement concrete column, which aims to solve the problems that the existing cement concrete column for constructional engineering proposed in the background art needs to be tested to ensure the safety before being matched with constructional engineering, wherein the existing compression testing is lack of an effective batch processing mode, the broken stone splashing condition can occur in the compression fracture process of the cement concrete column for constructional engineering, the safety is low, and a large amount of dust also influences the safety of the testing environment.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cement concrete column resistance to compression survey device, is including determining the frame, the inside integrated into one piece reservation of survey frame has the inner chamber, the intracavity symmetry is provided with two inner tubes, every the top of inner tube all is provided with annular inner tube cover, the center department of inner tube cover has seted up inner tube cover hole, the bottom of inner tube cover is inlayed and is had the ball board, the assorted annular is all seted up at the bottom of inner tube cover and the top of ball board, every set up the ball of steel ball material in the annular, set up on the ball board and leave an embedded groove one and three ball pore, embedded groove one is corresponding with the position in inner tube cover hole, the circumference inner wall grafting of embedded groove one has the connecting axle, the connecting axle runs through inner tube cover hole setting, be provided with the inner frame in the inner tube, the inner frame butt is located on the circumference inner tube inner wall, the top integrated into one piece of inner frame sets up three and the corresponding embedded groove two of ball pore position, the bottom fixedly connected with spring board of inner tube, the top fixedly connected with spring board of spring board, the push pedal is connected with the portal frame, the fixed connection has the top of portal frame, the push pedal, the top of portal frame is connected with the fixed drive pole, the portal frame, the top is connected with the portal frame push pedal, the top of portal frame, the push pedal is connected with the portal frame, the top is connected with the portal frame push pedal.
Preferably, survey two pipeline poles of the lateral wall symmetry fixedly connected with of frame, every the pipeline has all been run through on the pipeline pole, every equal threaded connection has the tube pump on the pipeline, the input and the inner tube inner wall of tube pump are linked together, the outside pipeline of input threaded connection of pipeline.
Preferably, the connecting axle is kept away from the one end threaded connection of ball board and is run through and have the combination ring gear, the tip threaded connection that the connecting axle is close to the combination ring gear has connecting axle owner ring and the vice ring of connecting axle, the vice ring activity of connecting axle sets up in the spring board downthehole, connecting axle owner ring butt in the inner tower upper surface, the circumference outer wall threaded connection of connecting axle has spacing ring gear, the inside setting and the combination ring gear assorted internal tooth in built-in groove one and inner tube cover hole.
Preferably, the bottom of the combined toothed ring is welded with three combined sleeves, the bottom of each combined sleeve is inserted with a positioning bolt, and the bottom of each positioning bolt is inserted with the top of the inner frame.
Preferably, the bottom of each combined sleeve is sleeved with a gasket, each gasket is connected with a gasket ring, and the gasket ring is provided with a combined bolt which penetrates through the gasket ring and is in threaded connection with the corresponding combined sleeve.
Preferably, a plurality of springs are welded at the bottom of the spring plate, one end, far away from the spring plate, of each spring is connected with the combined frame in a buckling mode, and the welded plate is inserted into the bottom of the combined frame.
Preferably, the side wall of the combined frame is in threaded connection with a locking buckle which penetrates through the welding plate, and the locking buckle is in threaded connection with a locking nut.
Compared with the prior art, the invention has the beneficial effects that:
this kind of cement concrete column resistance to compression survey device, combination application through the accessory, inside at the survey frame sets up two sets of interior covers, and the inside setting of interior cover carries the ball board in ball hole, the inner tower of carrying the spring board is connected to the bottom of ball board, utilize cement concrete column to run through the ball hole, make the bottom and the inner tower of cement concrete column be connected, and the top application of force to cement concrete column of the driver that carries the push pedal is utilized, detect with the compressive capacity to cement concrete column, when reaching the batch survey, make the survey process restrict among the inner tube, the cement concrete column rubble of avoiding splashing causes the injury, the cooperation pipeline carries out the dust and shifts, the safety and stability of survey has been guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the whole compression resistance measuring device for a cement concrete column according to the present invention;
FIG. 2 is a schematic structural diagram of an inner cylinder of the compression resistance measuring device for a cement concrete column according to the present invention;
FIG. 3 is an exploded view of the inner cylinder of the compression resistance measuring device for cement concrete columns according to the present invention;
FIG. 4 is a schematic structural diagram of an inner frame of the compression resistance measuring device for cement concrete columns according to the present invention;
FIG. 5 is a schematic structural exploded view of an inner frame of the compression resistance measuring device for cement concrete columns according to the present invention;
FIG. 6 is a schematic structural exploded view of the combination set of the compression resistance measuring device for cement concrete columns according to the present invention;
FIG. 7 is a schematic structural diagram of a spring of the compression testing device for cement concrete columns according to the present invention.
In the figure: 100. a measuring frame; 110. a pipe rod; 111. a pipeline; 112. a tube pump; 200. an inner barrel; 210. an inner cylinder cover; 211. an inner cylinder cover hole; 220. a ball plate; 221. a first groove is arranged inside; 222. ball plate holes; 230. a connecting shaft; 240. a limit toothed ring; 300. a combined toothed ring; 310. combining the sleeve; 320. a gasket; 321. a gasket ring; 322. combining bolts; 330. connecting the shaft main ring; 331. a connecting shaft secondary ring; 400. an inner frame; 401. a second groove is arranged inside; 410. a spring plate; 411. a spring plate hole; 420. a spring; 421. a combined rack; 422. a locking buckle; 423. welding the plate; 500. a frame; 510. a bottom frame; 520. a gantry; 530. a guide sleeve; 540. a driver; 550. a drive rod; 560. a push plate.
Detailed Description
The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and the detailed description, so as to clearly and completely describe the technical solution of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-7, a concrete column compression resistance measuring device comprises a measuring frame 100, an inner cavity is reserved in the measuring frame 100 by integral forming, two inner cylinders 200 are symmetrically arranged in the inner cavity, an annular inner cylinder cover 210 is arranged at the top of each inner cylinder 200, an inner cylinder cover hole 211 is arranged at the center of the inner cylinder cover 210, a ball plate 220 is embedded at the bottom of the inner cylinder cover 210, matched ring grooves are respectively arranged at the bottom of the inner cylinder cover 210 and the top of the ball plate 220, balls made of steel balls are arranged in each ring groove, an embedded groove one 221 and three ball plate holes 222 are arranged on the ball plate 220, the embedded groove one 221 corresponds to the inner cylinder cover hole 211, a connecting shaft 230 is inserted into the circumferential inner wall of the embedded groove one 221, the connecting shaft 230 penetrates through the inner cylinder cover hole 211, an inner frame 400 is arranged in the inner cylinder 200, the inner frame 400 is abutted to the circumferential inner wall of the inner cylinder 200, three built-in groove two 401 corresponding to the position of ball plate hole 222 is seted up to the top integrated into one piece of inner frame 400, the bottom fixedly connected with spring plate 410 of inner frame 400, spring plate 410's top integrated into one piece sets up the spring plate hole 411 corresponding to the position of built-in groove one 221, the tip of connecting axle 230 is inserted and is located in spring plate hole 411, the bottom fixedly connected with underframe 510 of inner tube 200, two frames 500 of the top symmetry fixedly connected with of underframe 510, fixedly connected with portal frame 520 between the top of two frames 500, one side that portal frame 520 is close to inner tube 200 is provided with guide pin bushing 530, driver 540 has been cup jointed at the top of portal frame 520, drive rod 550 has been cup jointed to the output of driver 540, drive rod 550 runs through portal frame 520 and guide pin bushing 530 setting, the bottom fixedly connected with push pedal 560 of drive rod 550, push pedal 560 and two inner tube 200 swing joint.
Through above-mentioned technical scheme, all set up the assorted annular at the bottom of inner cylinder cover 210 and the top of ball board 220, and set up the ball of steel ball material in the annular, be convenient for under the condition of bearing pressure, make inner cylinder cover 210 carry out slight position adjustment under the ball cooperation.
The size of the measuring frame 100 is adjusted according to actual requirements, and the adjustment process needs to refer to the actual size of the inner cylinder 200 so as to facilitate the inner arrangement of the inner cylinder 200. The height of the tested cement concrete column needs to be larger than the depth of the inner cylinder 200 so as to effectively ensure that the cement concrete column can bear the pressure of the push plate 560, and in some embodiments, in order to ensure the adaptability of the inner cylinder 200 to the cement concrete column, when the ball bearing plate holes 222 are arranged, the round shape can be changed into a shape more suitable for the structure of the cement concrete column, such as a rectangle or a square.
The lateral wall symmetry fixedly connected with two pipeline poles 110 of frame 100 is surveyed, has all run through pipeline 111 on every pipeline pole 110, and equal threaded connection has pipe pump 112 on every pipeline 111, and pipe pump 112's input is linked together with inner tube 200 inner wall, and pipeline 111's input threaded connection outside pipeline.
One end of the connecting shaft 230 far from the ball plate 220 is in threaded connection and penetrates through the combined toothed ring 300, the end part, close to the combined toothed ring 300, of the connecting shaft 230 is in threaded connection with a connecting shaft main ring 330 and a connecting shaft auxiliary ring 331, the connecting shaft auxiliary ring 331 is movably arranged in the spring plate hole 411, the connecting shaft main ring 330 abuts against the upper surface of the inner frame 400, the circumferential outer wall of the connecting shaft 230 is in threaded connection with a limiting toothed ring 240, and internal teeth matched with the combined toothed ring 300 are arranged in the built-in groove I221 and the inner cylinder cover hole 211. The limiting gear ring 240 can effectively perform limiting fit after the connecting shaft 230 is combined.
The bottom welding of combination ring gear 300 has three combination cover 310, and the bottom of every combination cover 310 all is pegged graft and is had the gim peg, and the bottom of gim peg is pegged graft with the top of interior frame 400 and is set up, and three combination cover 310 can improve the stability that combination ring gear 300 and interior frame 400 are connected, improves the degree of cooperation between them.
The bottom of each combined sleeve 310 is sleeved with a gasket 320, each gasket 320 is connected with a gasket ring 321, each gasket ring 321 is provided with a combined bolt 322 which penetrates through the gasket ring 321 and is in threaded connection with the corresponding combined sleeve 310, and the arrangement of the gaskets 320 and the gasket rings 321 can improve the sealing performance of the combined sleeve 310.
A plurality of springs 420 are welded at the bottom of the spring plate 410, one end, far away from the spring plate 410, of each spring 420 is connected with the combined frame 421 in a buckled mode, a welding plate 423 is inserted into the bottom of the combined frame 421, the buffering matching performance of the spring plate 410 can be improved, and the combined locking effect is improved.
The side wall of the combination frame 421 is connected with a locking buckle 422 through the welding plate 423, and the locking buckle 422 is connected with a locking nut through a thread.
The inner cavity side wall of the driver 540 is fixedly connected with a PLC and a wireless transmitter which are electrically connected in series through screws, wherein the models of the driver 540, the PLC and the wireless transmitter are commonly used in the market, and the interior of the PLC is electrically connected with an editable chip.
Wireless transmitter is including WIFI, 5G, bluetooth and thing networking, in order to increase outside suggestion cooperation, can make the vibrations sensor of the model commonly used in the market with PLC electric connection to set up the suggestion loudspeaker of electrical property series connection in PLC's outside at the side combination vibrations sensor of inner tube 200.
The working principle is as follows: firstly, a portal frame 520 carrying a driver 540 is arranged on a frame 500, the output end of the driver 540 is connected with a driving rod 550 carrying a push plate 560, the bottom of the frame 500 is connected with a bottom frame 510, a measuring frame 100 is arranged on the bottom frame 510, two inner cylinders 200 are arranged in the measuring frame 100, an inner cylinder cover 210 and a ball plate 220 are arranged on the inner cylinder 200, the inner frame 400 in the inner cylinder 200 is combined by utilizing a connecting shaft 230 carrying a limiting toothed ring 240 and a combined toothed ring 300, the purpose of stably combining and supporting the inner cylinder cover 210, the ball plate 220 and the inner frame 400 is achieved, and a built-in groove II 401 is arranged on the inner frame 400, which is convenient for further improving the guiding performance of a cement concrete column, after the cement concrete column that is longer than inner tube 200 total length gets into, can effectually expose cement concrete column top part, wait for push pedal 560 to exert pressure, carry out the resistance to compression survey, set up welded plate 423 simultaneously on the flip of the bottom of inner frame 400, utilize locking button 422 coupling spring 420 on the welded plate 423, the bottom of inner frame 400 is connected at the top of spring 420, can be when carrying out the resistance to compression survey, slowly guide the whereabouts process of cement concrete column, avoid the equipment damage that the sudden impact leads to, when reaching the batch survey, make the survey process restrict in inner tube 200, the cement concrete column rubble of avoiding splashing causes the external injury, the cooperation carries pipe pump 112's pipeline 111 and carries out the dust transfer, the safety and stability of survey has been guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a cement concrete column resistance to compression survey device, includes survey frame (100), the inside integrated into one piece reservation of survey frame (100) has the inner chamber, its characterized in that: the spring bearing is characterized in that two inner cylinders (200) are symmetrically arranged in the inner cavity, the top of each inner cylinder (200) is provided with an annular inner cylinder cover (210), the center of each inner cylinder cover (210) is provided with an inner cylinder cover hole (211), the bottom of each inner cylinder cover (210) is embedded with a ball plate (220), the bottom of each inner cylinder cover (210) and the top of each ball plate (220) are provided with matched ring grooves, each ring groove is internally provided with a ball made of steel balls, each ball plate (220) is provided with a first built-in groove (221) and three ball plate holes (222), the first built-in groove (221) corresponds to the position of each inner cylinder cover hole (211), the circumferential inner wall of the first built-in groove (221) is inserted with a connecting shaft (230), the connecting shaft (230) penetrates through the inner cylinder cover holes (222) to be arranged, an inner frame (400) is arranged in each inner cylinder (200), the inner frame (400) is abutted to the circumferential inner wall of each inner cylinder (200), the top of each inner frame (400) is provided with three first built-in spring plate holes (222) corresponding to the positions, the corresponding spring plate holes (411) are arranged in the integrally formed in the top of the inner cylinder cover holes (230), the inner frame (401), and the two spring plates (410) are inserted into the top of each spring plate holes (411), and the corresponding to be connected with the corresponding spring plate holes (410), and the corresponding spring plate holes (411), bottom fixedly connected with underframe (510) of inner tube (200), two frames (500) of the top symmetry fixedly connected with of underframe (510), two fixedly connected with portal frame (520) between the top of frame (500), one side that portal frame (520) are close to inner tube (200) is provided with guide pin bushing (530), driver (540) have been cup jointed at the top of portal frame (520), actuating lever (550) has been cup jointed to the output of driver (540), portal frame (520) and guide pin bushing (530) setting are run through in actuating lever (550), the bottom fixedly connected with push pedal (560) of actuating lever (550), push pedal (560) and two inner tube (200) swing joint.
2. The concrete column resistance to compression survey device of claim 1, characterized in that: the utility model discloses a pipeline structure, including survey frame (100), lateral wall symmetry fixedly connected with two pipeline poles (110), every pipeline pole (110) are gone up all to run through pipeline (111), every equal threaded connection has pipe pump (112) on pipeline (111), the input and inner tube (200) inner wall of pipe pump (112) are linked together, the input threaded connection external pipeline of pipeline (111).
3. The compression resistance measuring device for the cement concrete column according to claim 1, characterized in that: one end threaded connection that ball board (220) were kept away from in connecting axle (230) has run through combination ring gear (300), the tip threaded connection that connecting axle (230) are close to combination ring gear (300) has connecting axle main ring (330) and connecting axle secondary ring (331), the activity of connecting axle secondary ring (331) sets up in spring plate hole (411), connecting axle main ring (330) butt in inner tower (400) upper surface, the circumference outer wall threaded connection of connecting axle (230) has spacing ring gear (240), the inside of built-in groove one (221) and inner tube cover hole (211) sets up and combination ring gear (300) assorted internal tooth.
4. The compression resistance measuring device for the cement concrete column according to claim 3, characterized in that: the bottom of the combined toothed ring (300) is welded with three combined sleeves (310), the bottom of each combined sleeve (310) is inserted with a positioning bolt, and the bottom of each positioning bolt is inserted with the top of the inner frame (400).
5. The compression resistance measuring device for the cement concrete column according to claim 4, characterized in that: the bottom of each combination sleeve (310) is sleeved with a gasket (320), each gasket (320) is connected with a gasket ring (321), and each gasket ring (321) is provided with a combination bolt (322) which penetrates through the gasket ring (321) and is in threaded connection with the corresponding combination sleeve (310).
6. The apparatus for measuring compressive strength of concrete column according to any one of claims 1 to 5, wherein: the spring plate is characterized in that a plurality of springs (420) are welded at the bottom of the spring plate (410), one end, far away from the spring plate (410), of each spring (420) is connected with a combined frame (421) in a buckling mode, and a welding plate (423) is inserted into the bottom of each combined frame (421).
7. The compression resistance measuring device for the cement concrete column according to claim 6, characterized in that: the side wall of the combined frame (421) is in threaded connection with a locking buckle (422) which penetrates through the welding plate (423), and the locking buckle (422) is in threaded connection with a locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310071924.XA CN115791408B (en) | 2023-02-07 | 2023-02-07 | Cement concrete column resistance to compression survey device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310071924.XA CN115791408B (en) | 2023-02-07 | 2023-02-07 | Cement concrete column resistance to compression survey device |
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| CN115791408A CN115791408A (en) | 2023-03-14 |
| CN115791408B true CN115791408B (en) | 2023-04-11 |
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| CN211784832U (en) * | 2020-03-10 | 2020-10-27 | 天津赛威朗仪器设备有限公司 | Full-automatic concrete creep instrument |
| CN212008080U (en) * | 2020-04-27 | 2020-11-24 | 广西交通职业技术学院 | Deviation adjusting device for concrete filled steel tubular column axial compression experiment |
| CN213580425U (en) * | 2020-11-04 | 2021-06-29 | 王艳芳 | Building concrete strength detection device |
| CN114486480A (en) * | 2022-04-18 | 2022-05-13 | 山东宏科电子科技有限公司 | Highway concrete pavement strength test device |
| CN216525186U (en) * | 2021-12-10 | 2022-05-13 | 卢远杰 | Material detection equipment for building engineering |
| CN114608962A (en) * | 2022-05-12 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Uniaxial compression resistance tester |
| CN217561118U (en) * | 2022-04-24 | 2022-10-11 | 党世杰 | Strength testing device for building engineering detection |
| CN218212348U (en) * | 2022-06-13 | 2023-01-03 | 江苏泓元建设工程质量检测有限公司 | Concrete detection device |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2159961A (en) * | 1984-06-08 | 1985-12-11 | Jorj O Osterberg | Device for testing the load-bearing capacity of concrete-filled earthen shafts |
| JP2003215005A (en) * | 2002-01-22 | 2003-07-30 | Hokkaido Technology Licence Office Co Ltd | Material testing machine |
| CN207456977U (en) * | 2017-11-30 | 2018-06-05 | 重庆中兴商品混凝土有限责任公司 | Concrete anti-compression detector |
| CN211205996U (en) * | 2019-10-14 | 2020-08-07 | 嵊泗港基混凝土有限公司 | Safety inspection device of concrete piece hardness for building |
| CN211784832U (en) * | 2020-03-10 | 2020-10-27 | 天津赛威朗仪器设备有限公司 | Full-automatic concrete creep instrument |
| CN212008080U (en) * | 2020-04-27 | 2020-11-24 | 广西交通职业技术学院 | Deviation adjusting device for concrete filled steel tubular column axial compression experiment |
| CN213580425U (en) * | 2020-11-04 | 2021-06-29 | 王艳芳 | Building concrete strength detection device |
| CN216525186U (en) * | 2021-12-10 | 2022-05-13 | 卢远杰 | Material detection equipment for building engineering |
| CN114486480A (en) * | 2022-04-18 | 2022-05-13 | 山东宏科电子科技有限公司 | Highway concrete pavement strength test device |
| CN217561118U (en) * | 2022-04-24 | 2022-10-11 | 党世杰 | Strength testing device for building engineering detection |
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| CN218212348U (en) * | 2022-06-13 | 2023-01-03 | 江苏泓元建设工程质量检测有限公司 | Concrete detection device |
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| CN115791408A (en) | 2023-03-14 |
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