CN113390731B - Concrete bending resistance testing machine and testing method - Google Patents
Concrete bending resistance testing machine and testing method Download PDFInfo
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- CN113390731B CN113390731B CN202110821724.2A CN202110821724A CN113390731B CN 113390731 B CN113390731 B CN 113390731B CN 202110821724 A CN202110821724 A CN 202110821724A CN 113390731 B CN113390731 B CN 113390731B
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- concrete core
- slag
- core sample
- slag collecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The application discloses a concrete bending resistance testing machine and a testing method, the concrete bending resistance testing machine comprises a workbench, two supporting plates which are arranged at intervals are fixedly arranged on the workbench, through holes for horizontally penetrating a concrete core sample are respectively formed in the two supporting plates, a gap for inclining the concrete core sample is reserved between the inner wall of each through hole and the outer wall of the concrete core sample, and a force application part for applying a vertical upward acting force to the middle of the concrete core sample is fixedly arranged on the workbench; still including receiving sediment mechanism, receive sediment mechanism and include two receipts sediment boards that set up along the axis direction of concrete core appearance, receive the sediment board and be fixed in the concrete core appearance through coupling assembling, leave the clearance between two both ends that receive the sediment board and be close to each other, can dismantle between two receipts sediment boards and be connected with the flexible piece that is used for sealing up the clearance, the flexible piece is in the lax state all the time, receives sediment mechanism and still includes two receipts sediment boxes that set up in the workstation. This application has the effect that the disintegrating slag that produces when being convenient for the staff to concrete core appearance fracture cleared up.
Description
Technical Field
The invention relates to the field of concrete quality detection, in particular to a concrete bending resistance testing machine and a testing method.
Background
At present, the detection method for the bending strength of concrete mainly comprises a rebound method and a core drilling method. The core drilling method comprises the steps of conducting core drilling sampling on a concrete block to be detected to form a concrete core sample which is arranged in a cylindrical mode, horizontally placing the concrete core sample on a support of a concrete bending resistance testing machine, applying acting force to the middle of the concrete core sample to enable the concrete core sample to be bent until the concrete core sample is broken, and detecting the concrete core sample to be broken through a detection module to achieve detection of bending resistance of the concrete core sample.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the concrete core appearance was broken under the effect of external force, many concrete disintegrating slag can drop in the department of breaking, and these disintegrating slag are not convenient for clear up the disintegrating slag on directly falling concrete bending resistance testing machine, consequently have certain improvement space.
Disclosure of Invention
In order to facilitate cleaning of broken slag generated when a concrete core sample is broken by workers, the application provides a concrete bending resistance testing machine and a testing method.
The application provides a concrete bending test machine and test method adopts following technical scheme:
a concrete bending test machine comprises a workbench and a detection module for detecting the fracture of a concrete core sample, wherein two support plates arranged at intervals are fixedly arranged on the workbench, through holes for the concrete core sample to horizontally penetrate are respectively formed in the two support plates, a gap for the concrete core sample to incline is reserved between the inner wall of each through hole and the outer wall of the concrete core sample, and a force application part for applying a vertically upward acting force to the middle of the concrete core sample is fixedly arranged on the workbench;
still including receiving sediment mechanism, receive sediment mechanism and include two receipts cinder plates that set up along the axis direction of concrete core appearance, it is located concrete core appearance below to receive the cinder plate, the upper surface of receiving the cinder plate is provided with receives the cinder groove, receive the cinder plate and be fixed in the both ends of concrete core appearance axis direction through coupling assembling, two it leaves the clearance, two to receive to leave between the both ends that the cinder plate is close to each other it is used for the flexible piece that seals the clearance to be provided with between the cinder plate, the flexible piece is in lax state all the time, receive sediment mechanism still includes two and sets up in the receipts cinder box of workstation, two it is located the below at the both ends that two receipts cinder plates kept away from each other respectively to receive the cinder box.
By adopting the technical scheme, the force application part applies a vertical upward acting force to the concrete core sample to bend the concrete core sample until the concrete core sample is broken, broken slag at the broken part of the concrete core sample falls into the flexible part and the slag collecting plates, the two slag collecting plates are driven to incline in the bending process of the concrete core sample, the broken slag in the slag collecting groove falls into the slag collecting box under the action of self gravity, and a worker applies an upward acting force to the flexible part through a tool to enable the broken slag remained in the flexible part to fall into the slag collecting box through the slag collecting plates under the action of self gravity, so that the worker can conveniently clean the broken slag generated when the concrete core sample is broken, and the time and the physical force consumed by the worker for cleaning the broken slag are reduced; in addition, the slag collecting plate is inclined in a mode that the concrete core sample drives the slag collecting plate to move, so that the energy waste caused by independently driving the slag collecting plate is reduced, and the requirements of energy conservation and environmental protection are met.
Preferably, the cross section of the slag collecting plate is arc-shaped, and the slag collecting groove is a space enclosed by the inner wall of the slag collecting plate.
Through adopting above-mentioned technical scheme, the space that the inner wall that receives the sediment board that is the arc setting encloses forms and receives the sediment groove, has reduced the processing degree of difficulty to receiving the sediment board and receiving the sediment groove, and in addition, the sediment that produces when receiving the sediment board that is the arc setting and making concrete core appearance fracture is difficult for splashing, makes the sediment that falls into in receiving the sediment groove gather in the lowest of receiving the sediment groove under the effect of self gravity, and the sediment drops downwards when being convenient for receive the slope of sediment board.
Preferably, the force application part comprises a hydraulic cylinder vertically and fixedly arranged on the workbench, the flexible part is made of flexible cloth, and a yielding hole for the hydraulic cylinder to penetrate through is formed in the flexible cloth.
By adopting the technical scheme, the gap between the two slag collecting plates is tightly sealed through the flexible cloth, so that the gap between the two slag collecting plates keeps in a tightly sealed state while the two slag collecting plates are inclined.
Preferably, a steel wire ring is fixedly arranged at the edge of the abdicating hole.
Through adopting above-mentioned technical scheme, the inner edge department that sets up the position that makes flexible cloth offer the hole of stepping down through setting up of steel wire ring keeps the state with the pole portion butt of pneumatic cylinder, has further reduced dropping of disintegrating slag, and the staff of being convenient for collects the clearance to the disintegrating slag.
Preferably, the edge of one end of the inner wall of the slag collecting plate, which is close to the flexible cloth, is provided with a connecting groove, the outer edge of the flexible cloth is inserted into the connecting groove, and the slag collecting plate is provided with a pressing assembly for pressing the outer edge of the flexible cloth into the connecting groove.
Through adopting above-mentioned technical scheme, through inserting the edge of flexible cloth in the spread groove, the mode that the edge of rethread compression subassembly with flexible cloth compressed tightly in the spread groove has realized being connected between flexible cloth and the receipts slag plate.
Preferably, the compressing assembly comprises a compressing plate which is connected in a connecting groove in a sliding mode along the axial direction of the slag collecting plate, the slag collecting plate is connected with a locking bolt which is arranged along the moving direction of the compressing plate in a threaded mode, and one end of the locking bolt is rotatably connected to the compressing plate.
Through adopting above-mentioned technical scheme, rotate locking bolt, the pressure strip moves along the axis direction of receiving the sediment board under locking bolt's effect, compresses tightly flexible cloth in the spread groove.
Preferably, coupling assembling is including setting firmly the butt pole in the inner wall of receipts slag plate, the one end butt of receipts slag plate is kept away from to the butt pole in the outer wall of concrete core appearance, the butt pole is provided with two in the bilateral symmetry of concrete core appearance, coupling assembling still includes the staple bolt of hugging closely in the outer peripheral face of receipts slag plate and concrete core appearance.
By adopting the technical scheme, the slag collecting plate is connected with the concrete core sample through the hoop, and when the hoop is held tightly, the abutting rod abuts against the outer wall of the concrete core sample, so that the slag collecting plate is connected with the concrete core sample, the displacement of the slag collecting plate relative to the concrete core sample is limited, and the crushed concrete core sample of the slag collecting plate is inclined together.
Preferably, flanges extend from two sides of the slag collecting plate along the circumferential direction of the slag collecting plate respectively.
Through adopting above-mentioned technical scheme, the setting of flange has played the effect that further prevents that the disintegrating slag from splashing.
Preferably, a supporting plate is fixedly arranged on the workbench, and the slag collecting box is placed on the supporting plate.
Through adopting above-mentioned technical scheme, the staff can will receive the cinder in the sediment box and directly pour into in the assigned position after the sediment box takes off, and the staff of being convenient for gets to receive getting of sediment box and puts.
A test method of a concrete bending resistance tester comprises the following steps:
s1, horizontally penetrating the concrete core sample through the two support plates;
s2, starting a force application member, applying a vertical upward acting force to the concrete core sample to bend the concrete core sample until the concrete core sample is broken, and detecting the concrete core sample breakage by a detection module;
s3, the disintegrating slag that produces when concrete core appearance breaks falls into in flexible cloth and receipts sediment board, and concrete core appearance drives when crooked and receives the sediment board and rotates, makes and receives the sediment board slope, and the disintegrating slag in receiving the sediment board falls into in receiving the sediment box under the effect of self gravity, and staff' S rethread instrument is to the ascending effort of application of flexible, makes remaining disintegrating slag in the flexible fall into to receiving the sediment box under the effect of self gravity via receiving the sediment board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the broken slag generated when the concrete core sample is broken can be conveniently cleaned by workers, and the time and physical strength consumed by the workers in cleaning the broken slag are reduced;
2. the slag collecting plate is inclined in a mode that the concrete core sample drives the slag collecting plate to move, so that the waste of energy caused by independently driving the slag collecting plate is reduced, and the requirements of energy conservation and environmental protection are met.
Drawings
Fig. 1 is a schematic view of the overall structure in the present application.
Fig. 2 is a side schematic view showing a connection structure between the slag trap and the concrete core sample in the present application.
Fig. 3 is a partial structural schematic diagram showing a structure of a flexible cloth according to the present application.
Fig. 4 is a schematic partial explosion view showing a connection structure between a flexible cloth and a slag collecting plate in the present application.
Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.
Description of reference numerals:
1. a work table; 11. a support plate; 111. a through hole; 12. a hydraulic cylinder; 13. a detection module; 131. a pressure sensor; 132. a laser detector; 1321. a transmitting end; 1322. a receiving end; 2. a concrete core sample; 3. a slag collecting plate; 31. blocking edges; 311. opening the gap; 32. connecting grooves; 33. an arc-shaped slot; 4. a connecting assembly; 41. a butting rod; 42. hooping; 5. a flexible cloth; 51. a hole of abdication; 52. a steel wire ring; 6. a compression assembly; 61. a compression plate; 62. locking the bolt; 63. a guide bar; 7. a slag collection box; 71. and a support plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses concrete bending test machine, refer to fig. 1, including placing in horizontal work plane's workstation 1, be fixed with the extension board 11 that two intervals set up on the workstation 1, two extension boards 11 are worn to locate along two extension board 11's distribution direction levels by concrete core appearance 2. A hydraulic cylinder 12 is fixed between the two support plates 11 on the workbench 1, the hydraulic cylinder 12 is vertically arranged, the rod part of the hydraulic cylinder 12 abuts against the outer wall of the concrete core sample 2, and a detection module 13 for detecting the fracture of the concrete core sample 2 is further arranged on the workbench 1.
The support plates 11 are vertically arranged, through holes 111 are formed in the two support plates 11 respectively, two ends of the axis direction of the concrete core sample 2 penetrate through the two through holes 111 respectively, and a gap for enabling the concrete core sample 2 to incline is reserved between the inner wall of the through hole 111 and the outer wall of the concrete core sample 2.
The workbench 1 is provided with a controller, the detection module 13 comprises a pressure sensor 131 fixed between the bottom end of the hydraulic cylinder 12 and the workbench 1, the detection module 13 further comprises a laser detector 132, the laser detector 132 comprises a transmitting end 1321 and a receiving end 1322 fixed on two opposite side walls of the two support plates 11, the transmitting end 1321 and the receiving end 1322 are located above the two through holes 111, and the pressure sensor 131 and the laser detector 132 are electrically connected with the controller.
During operation, the hydraulic cylinder 12 is started to enable the rod part of the hydraulic cylinder 12 to vertically move upwards to abut against the outer wall of the concrete core sample 2, the top end of the outer wall of the concrete core sample 2 abuts against the inner wall of the through hole 111, the rod part of the hydraulic cylinder 12 is continuously controlled to vertically extend upwards, acting force is applied to the middle of the concrete core sample 2, the concrete core sample 2 is bent, until the concrete core sample 2 is broken, when the concrete core sample 2 is broken, the pressure sensor 131 transmits the instant value of the broken concrete core sample 2 to the controller, the laser detector 132 also transmits the upward bending value of the concrete to the controller, and the bending degree of the concrete core sample 2 is detected.
The workbench 1 is also provided with a slag collecting mechanism for collecting slag generated when the concrete core sample 2 is broken.
The slag collecting mechanism comprises two slag collecting plates 3 arranged along the axis direction of the concrete core sample 2, the slag collecting plates 3 are positioned under the concrete core sample 2, the two slag collecting plates 3 are completely the same in shape and structure, and the two slag collecting plates 3 are respectively positioned on two sides of the rod part of the hydraulic cylinder 12. The cross section of the slag collecting plate 3 is in an arc shape with an opening facing the concrete core sample 2, the space enclosed by the inner wall of the slag collecting plate 3 is a slag collecting groove, a gap is reserved between the inner wall of the slag collecting plate 3 and the outer wall of the concrete core sample 2, and the axis of the slag collecting plate 3 is positioned under the axis of the concrete core sample 2.
The two sides of the slag collecting plate 3 along the circumferential direction are respectively and obliquely extended upwards to form flanges 31, the distance between each flange 31 and the concrete core sample 2 is gradually increased from one end close to the slag collecting plate 3 to the other end, and the joints of the flanges 31 and the slag collecting plate 3 are in smooth transition.
With reference to fig. 1 and 2, the slag collecting plate 3 is fixed to the outer wall of the concrete core sample 2 through the connecting assembly 4, the connecting assembly 4 includes a support rod 41 fixed to the inner wall of the slag collecting plate 3, the support rod 41 is arranged along the radial direction of the concrete core sample 2, one end of the support rod 41 far away from the slag collecting plate 3 is supported on the outer wall of the concrete core sample 2, and two support rods 41 are symmetrically arranged on two sides of the concrete core sample 2. Coupling assembling 4 still includes staple bolt 42, offers the opening 311 that is used for stepping down to flange 31 on the flange 31, and staple bolt 42 is held tightly on the top of the outer wall of receipts slag plate 3 and the outer wall of concrete core appearance 2, compresses tightly receipts slag plate 3 in the outer wall of concrete core appearance 2 through butt rod 41, and the position of staple bolt 42 is corresponding with the position of butt rod 41, and restriction receipts slag plate 3 is for the displacement of concrete core appearance 2. The concrete core sample 2 is bent to be broken under the action of external force, and the slag collecting plate 3 is driven to incline.
Referring to fig. 3, in order to enable the two slag receiving plates 3 to be inclined in opposite directions, a gap is left between the two ends of the two slag receiving plates 3 which are close to each other. An arc-shaped groove 33 is formed in one end of the slag collecting plate 3, which is close to the rod part of the hydraulic cylinder 12, and a gap is reserved between the inner wall of the arc-shaped groove 33 and the outer wall of the rod part of the hydraulic cylinder 12.
Can dismantle between the both ends that two receipts sediment boards 3 are close to each other and be connected with flexible cloth 5, flexible cloth 5 is in the state of relaxing all the time, and flexible cloth 5 is used for sealing the clearance between two receipts sediment boards 3. The flexible cloth 5 is provided with a yielding hole 51 for the rod part of the hydraulic cylinder 12 to pass through, a steel wire ring 52 is fixed at the inner edge of the yielding hole 51, and the arrangement of the steel wire ring 52 enables the inner edge of the flexible cloth 5 at the position where the yielding hole 51 is arranged to be kept in a state of being abutted against the rod part of the hydraulic cylinder 12.
With reference to fig. 3, 4 and 5, a connecting groove 32 is formed in an edge of one end of the inner wall of the slag collecting plate 3 close to the flexible cloth 5, and the connecting groove 32 is arranged along an extending direction of an edge of one end of the slag collecting plate 3 close to the hydraulic cylinder 12. The outer edge of the flexible cloth 5 is inserted into the coupling groove 32 and compressed by the compressing assembly 6. Compress tightly subassembly 6 and include the pressure strip 61 of sliding connection in spread groove 32 along the axis direction of receiving slag plate 3, compress tightly subassembly 6 and still include threaded connection in the locking bolt 62 of the terminal surface of receiving slag plate 3, locking bolt 62 sets up along the moving direction of pressure strip 61, locking bolt 62's one end stretches into in spread groove 32 and rotates with pressure strip 61 to be connected, locking bolt 62 sets up in the one side of receiving slag plate 3, it wears to be equipped with guide arm 63 to receive slag plate 3 in the offside of locking bolt 62 to slide, the one end of guide arm 63 stretches into in spread groove 32 and with pressure strip 61 fixed connection. The side wall of the pressing plate 61 facing the flexible cloth 5 is fixedly provided with a rubber pad, the pressing plate 61 moves along the axial direction of the slag collecting plate 3 under the action of the rotating bolt and the guide rod 63 by rotating the locking bolt 62 until the rubber pad abuts against the flexible cloth 5 to press the flexible cloth 5 in the connecting groove 32.
Referring to fig. 1, the slag collecting mechanism further comprises two slag collecting boxes 7 respectively used for collecting broken slag falling from the two slag collecting plates 3, and the two slag collecting boxes 7 are respectively located below two ends of the two slag collecting plates 3, which are opposite to each other. The inner wall of the support plate 11 is tightly connected with a support plate 71 by using bolts, and the slag collecting box 7 is placed on the support plate 71.
The embodiment of the application also discloses a test method of the concrete bending resistance tester, which is combined with the figures 1-5 and comprises the following steps:
s1, horizontally penetrating the concrete core sample 2 into the two through holes 111 on the two support plates 11;
s2, starting the hydraulic cylinder 12 to enable the rod part of the hydraulic cylinder 12 to vertically move upwards to abut against the outer wall of the concrete core sample 2, enabling the top end of the outer wall of the concrete core sample 2 to abut against the inner wall of the through hole 111, continuously controlling the rod part of the hydraulic cylinder 12 to vertically extend upwards, applying acting force to the middle of the concrete core sample 2 to enable the concrete core sample 2 to bend until the concrete core sample 2 is broken, and when the concrete core sample 2 is broken, transmitting the instant value of the broken concrete core sample 2 to the controller by the pressure sensor 131, transmitting the upward bending value of the concrete to the controller by the laser detector 132, and realizing detection of the bending degree of the concrete core sample 2;
s3, the disintegrating slag that produces when concrete core appearance 2 splits falls into in flexible cloth 5 and receipts sediment board 3, it rotates to drive receipts sediment board 3 when concrete core appearance 2 is crooked, make and receive the slope of sediment board 3, it is the low end to receive the one end that pneumatic cylinder 12 was kept away from to sediment board 3, the disintegrating slag in receiving sediment board 3 falls into in receiving sediment box 7 under the effect of self gravity, staff' S rethread instrument is to the ascending effort of applying of flexible cloth 5, make remaining disintegrating slag fall into to receiving in the sediment box 7 under the effect of self gravity in the flexible cloth 5.
Through the concrete bending resistance testing machine and the testing method disclosed by the application, workers can conveniently clean the broken slag generated when the concrete core sample 2 is broken, and the time and physical strength consumed by the workers in cleaning the broken slag are reduced; in addition, the mode that the concrete core sample 2 drives the slag collecting plate 3 to move enables the slag collecting plate 3 to incline, reduces the waste of energy caused by independently driving the slag collecting plate 3, and meets the requirements of energy conservation and environmental protection.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a concrete bending test machine, includes workstation (1) and detection module (13) that are used for detecting the fracture of concrete core appearance (2), its characterized in that: the concrete core sample processing device is characterized in that two support plates (11) arranged at intervals are fixedly arranged on the workbench (1), through holes (111) for the horizontal penetration of a concrete core sample (2) are respectively formed in the two support plates (11), a gap for the inclination of the concrete core sample (2) is reserved between the inner wall of each through hole (111) and the outer wall of the concrete core sample (2), and a force application part for applying a vertical acting force to the middle of the concrete core sample (2) is fixedly arranged on the workbench (1);
the slag collecting mechanism comprises two slag collecting plates (3) arranged along the axis direction of a concrete core sample (2), the slag collecting plates (3) are positioned below the concrete core sample (2), slag collecting grooves are formed in the upper surfaces of the slag collecting plates (3), the slag collecting plates (3) are fixed at two ends of the axis direction of the concrete core sample (2) through connecting components (4), a gap is reserved between two ends, close to each other, of the two slag collecting plates (3), a flexible part used for sealing the gap is arranged between the two slag collecting plates (3), the flexible part is always in a loose state, the slag collecting mechanism further comprises two slag collecting boxes (7) arranged on a workbench (1), and the two slag collecting boxes (7) are respectively positioned below two ends, far away from each other, of the two slag collecting plates (3);
the cross section of the slag collecting plate (3) is arc-shaped, and the slag collecting groove is a space enclosed by the inner wall of the slag collecting plate (3);
coupling assembling (4) are including setting firmly butt joint pole (41) in the inner wall of receipts slag plate (3), the one end butt in the outer wall of concrete core appearance (2) of receiving slag plate (3) is kept away from to butt joint pole (41), butt joint pole (41) are provided with two in the bilateral symmetry of concrete core appearance (2), coupling assembling (4) still including embracing hoop (42) in the outer peripheral face of receiving slag plate (3) and concrete core appearance (2).
2. The concrete bending test machine of claim 1, wherein: the force application part comprises a hydraulic cylinder (12) vertically fixedly arranged on the workbench (1), the flexible part is set to be flexible cloth (5), and a yielding hole (51) for the hydraulic cylinder (12) to penetrate through is formed in the flexible cloth (5).
3. The concrete bending test machine of claim 2, wherein: and a steel wire ring (52) is fixedly arranged at the edge of the abdicating hole (51).
4. The concrete bending test machine of claim 2, wherein: receive the edge of slag plate (3) inner wall near the one end of flexible cloth (5) and seted up spread groove (32), the outward flange department of flexible cloth (5) inserts in spread groove (32), it compresses tightly subassembly (6) that are arranged in spreading groove (32) to compress tightly outward flange department of flexible cloth (5) to receive to be provided with on slag plate (3).
5. The concrete bending test machine of claim 4, wherein: compress tightly subassembly (6) and include that the axis direction along receipts slag plate (3) slides and connect pressure strip (61) in spread groove (32), it has lock bolt (62) along the moving direction setting of pressure strip (61) to receive threaded connection on slag plate (3), the one end rotation of lock bolt (62) is connected in pressure strip (61).
6. The concrete bending test machine of claim 1, wherein: flanges (31) respectively extend from two sides of the slag collecting plate (3) along the circumferential direction.
7. The concrete bending test machine of claim 1, wherein: a supporting plate (71) is fixedly arranged on the workbench (1), and the slag collecting box (7) is placed on the supporting plate (71).
8. A test method of a concrete bending test machine according to any one of claims 1 to 7, characterized by comprising the steps of:
s1, horizontally penetrating the concrete core sample (2) through the two support plates (11);
s2, starting a force application member, applying a vertical upward acting force to the concrete core sample (2) to bend the concrete core sample (2) until the concrete core sample (2) is broken, and detecting the breakage of the concrete core sample (2) by a detection module (13);
s3, the disintegrating slag generated when the concrete core sample (2) is broken falls into the flexible piece and the slag collecting plate (3), the concrete core sample (2) is driven to rotate when being bent, the slag collecting plate (3) is inclined, the disintegrating slag in the slag collecting plate (3) falls into the slag collecting box (7) under the action of self gravity, the worker applies upward acting force to the flexible piece through the tool, and the residual disintegrating slag in the flexible piece falls into the slag collecting box (7) through the slag collecting plate (3) under the action of self gravity.
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| CN202110821724.2A CN113390731B (en) | 2021-07-21 | 2021-07-21 | Concrete bending resistance testing machine and testing method |
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| CN202110821724.2A CN113390731B (en) | 2021-07-21 | 2021-07-21 | Concrete bending resistance testing machine and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103630445B (en) * | 2013-11-30 | 2016-08-17 | 安徽省（水利部淮河水利委员会）水利科学研究院 | A kind of concrete core sample bending testing device |
| CN107179234B (en) * | 2017-07-26 | 2019-06-07 | 广东丰业电力器材有限公司 | A kind of concrete Intensity of Breaking Tester |
| CN209764612U (en) * | 2019-01-31 | 2019-12-10 | 北京国旺混凝土有限公司 | Electric anti-bending testing machine with test body debris collection function |
| CN210775072U (en) * | 2019-10-30 | 2020-06-16 | 枝江金太源混凝土有限公司 | Anti testing machine that rolls over of concrete |
| CN211668978U (en) * | 2020-01-13 | 2020-10-13 | 西安百固源混凝土有限公司 | Concrete bending resistance testing machine |
| CN212321263U (en) * | 2020-05-09 | 2021-01-08 | 四川汇友建设集团有限公司 | Base for concrete strength detection for building engineering |
| CN213275192U (en) * | 2020-09-29 | 2021-05-25 | 杭州金鼎实业有限公司 | Concrete sample bending resistance testing machine |
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