CN220708891U - Concrete bending test device - Google Patents

Abstract

The utility model relates to a concrete bending test device especially relates to concrete strength check out test set field, and it includes the testing machine main part, be provided with interception subassembly and clearance subassembly in the testing machine main part, interception subassembly includes two sliding connection protection casing in the testing machine main part and sets up the fixed part between two protection casings, the protection casing sets up in the last anchor clamps of testing machine main part and the lower anchor clamps outside, two the slip direction of protection casing is parallel, fixed part is used for two protection casing fixed connection, clearance subassembly is used for being intercepted the broken bits in the protection casing in the cleaning machine main part.

Description

Concrete bending test device

Technical Field

The application relates to the field of concrete strength detection equipment, in particular to a concrete flexural testing device.

Background

The concrete flexural strength tester is an instrument used in the field of material science, and is mainly used for flexural strength tests of test pieces such as concrete, refractory materials, bricks and the like.

A concrete flexural testing machine is disclosed in Chinese patent publication No. CN206450526U, and the technical key points are as follows: the device comprises a base, a sleeve, a bracket, a scale, a free thallium, a balance thallium, a motor, a screw rod, an upward-pulling main tool rest, an upward-pulling auxiliary tool rest, a downward-pulling main tool rest, a downward-pulling auxiliary tool rest, a lever, an upper clamp and a lower clamp; the upper clamp comprises a connecting seat connected with the bottom of the pull-down auxiliary tool rest, a first dovetail groove formed in the connecting seat, two sliding blocks arranged on the first dovetail groove in a sliding manner and a first bidirectional threaded rod penetrating through the two sliding blocks simultaneously; the lower clamp comprises a sliding plate, a second dovetail groove arranged on the dovetail groove, two protruding parts arranged on the second dovetail groove in a sliding mode and a second bidirectional threaded rod penetrating through the two protruding parts simultaneously.

Aiming at the related technology, when the concrete flexural testing machine is used, a sample to be tested is placed between the upper clamp and the lower clamp, then the motor is started, and drives the screw rod to rotate so as to enable the movable thallium to move, so that the upper clamp moves downwards to load the sample to be tested until the sample to be tested is broken, and slag is easy to generate and splashed outwards when the sample to be tested is broken, so that the cleaning is inconvenient.

Disclosure of Invention

In order to be convenient for clear up the broken bits that produce when the sample that awaits measuring breaks, this application provides a concrete bending test device.

The application provides a concrete bending test device adopts following technical scheme:

the utility model provides a concrete bending test device, includes the testing machine main part, be provided with interception subassembly and clearance subassembly in the testing machine main part, interception subassembly includes two sliding connection's protection casing in the testing machine main part and sets up the fixed part between two protection casings, the protection casing sets up in the last anchor clamps of testing machine main part and the lower anchor clamps outside, two the slip direction of protection casing is parallel, the fixed part is used for two protection casing fixed connection, clearance subassembly is used for the broken bits of being intercepted in the protection casing in the cleaning machine main part.

By adopting the technical scheme, the upper clamp and the lower clamp of the tester main body can be closed by combining the two protective covers together, so that the splashed broken slag can be blocked when a sample to be tested is broken, the broken slag can be positioned on the tester main body between the two protective covers, after the test is finished, the two protective covers are opened, and then the broken slag on the tester main body can be quickly cleaned through the cleaning component, so that the cleaning process is simpler and more convenient, and the time and the labor are saved; in addition, the protective cover can also play a role in protecting, so that the possibility of injuring people due to splashing of the slag is reduced.

Optionally, the fixed part includes inserted bar and spring, the inserted bar slides and wears to locate on one of them protective cover, another offer the jack that supplies the inserted bar to penetrate on the protective cover, the spring is connected between inserted bar and protective cover, the spring makes the inserted bar produce towards the trend that is close to the jack direction and slides.

By adopting the technical scheme, the inserted link is inserted into the jack, so that the relative movement between the two protective covers can be limited, and the two protective covers are fixedly connected together, so that the structure is simple, and the safety protection device is stable and reliable; the arrangement of the spring plays a role in connecting the inserted rod, so that the inserted rod is prevented from falling off, and the fixing effect is enhanced.

Optionally, sliding connection has the slider on the testing machine main part, the slider is provided with two and respectively with two protection casing looks adaptations, the protection casing slip detachable connection is on the slider.

Through adopting above-mentioned technical scheme, after the protection casing damages, be convenient for pull down the protection casing and in time change, help guaranteeing the protection effect and to the effect of stopping of disintegrating slag, therefore more practical.

Optionally, the protective cover is made of a transparent material.

Through adopting above-mentioned technical scheme, the operating personnel of being convenient for observe the inside working condition of going up anchor clamps and lower anchor clamps of protection casing, can in time observe when the sample that awaits measuring breaks, helps guaranteeing going on smoothly of test.

Optionally, the clearance subassembly is including sliding the connecting plate that sets up on the testing machine main part, set up in the clearance pole at connecting plate both ends, set up first brush hair on the clearance pole and set up in the part of dodging of clearance pole tip, the slip direction of connecting plate is parallel with the surface of testing machine main part, the length direction of clearance pole is perpendicular with the slip direction of connecting plate, two the length direction of clearance pole is coaxial to be set up, the surface butt of first brush hair and testing machine main part, dodge the part and be located the one end that two clearance poles are close to each other, dodge the part and make the clearance pole can dodge the sleeve in the testing machine main part when removing.

Through adopting above-mentioned technical scheme, the connecting plate drives the clearance pole and removes, can make first brush hair remove to clear up the surface of test machine main part, the clearance process is simple and convenient, and cleaning efficiency is high.

Optionally, dodge the part including along clear up the piece of dodging that pole length direction slides and set up on the clear up pole, set up on dodging the second brush hair on the piece and connect and dodge the spring of dodging between piece and the clear up pole, dodge the piece and be located the one end that two clear up poles are close to each other, two dodge the one end that the piece is close to each other all is provided with the cambered surface that outwards protrudes, the surface butt of second brush hair and test machine main part, dodge the spring and make two dodge the piece and produce the trend of mutually supporting tightly.

Through adopting above-mentioned technical scheme, when the clearance pole moved to the central point of test machine main part, dodge the piece and support with the sleeve butt of test machine main part, along with the removal of clearance pole, dodge the spring of dodging the piece tip and receive further compression, two dodge the piece and move towards the direction that keeps away from each other to dodge the sleeve; the arrangement of the avoidance block can eliminate the influence of the sleeve on the cleaning process, and can ensure the simplicity and convenience of the cleaning process; in the cleaning process, the avoidance block continuously contacts with the peripheral side of the sleeve, so that the second brush hair can fully clean the peripheral side of the sleeve, and the cleaning effect is good.

Optionally, two the one end that the clearance pole kept away from each other all is provided with blocks the pole, it is located the one end that the clearance pole kept away from the connecting plate to block the pole, it is perpendicular with the clearance pole to block the pole, it is provided with the third brush hair on the pole to block, the surface butt of third brush hair and test machine main part.

Through adopting above-mentioned technical scheme, the setting of blocking the pole can block the broken bits that the clearance in-process moved to both sides, helps guaranteeing the clearance effect, reduces the clearance number of times.

Optionally, a collecting box is arranged on one side of the tester main body.

By adopting the technical scheme, the collection box can collect the slag on the main body of the testing machine, so that the testing machine is more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the tester main body works, the two protective covers are in a closed state, the slag splashed when the sample to be tested breaks can be blocked to the inner side of the protective cover, after the test is finished, the protective cover is opened again, then the slag is cleaned through the cleaning component, the cleaning process is simple and convenient, the cleaning effect is good, and time and labor are saved.

2. The connecting plate drives the clearance pole and removes, and the first brush hair on the clearance pole can clear up the broken bits on test machine main part surface, and when the clearance pole moved the sleeve department of test machine main part, the piece of dodging of clearance pole tip can slide and dodge to eliminate the sleeve and remove the influence of clearance pole, directly promote the connecting plate removal can accomplish the clearance to the broken bits, therefore the clearance process is convenient.

Drawings

FIG. 1 is a schematic view of a structure of a protective cover in a closed state according to an embodiment of the present application;

FIG. 2 is a schematic view of a structure of a protective cover in an opened state according to an embodiment of the present application;

FIG. 3 is a schematic view showing the structure of a fixing member according to an embodiment of the present application;

FIG. 4 is a schematic diagram of an embodiment of the present application for illustrating the configuration of a cleaning assembly;

FIG. 5 is a schematic view of an embodiment of the present application for illustrating the configuration of a bypass feature.

Reference numerals: 1. a testing machine main body; 11. a base; 111. a clamping groove; 12. a frame body; 13. a sleeve; 14. a lower clamp; 15. a clamp is arranged; 16. a drive assembly; 2. an interception component; 21. a protective cover; 211. an avoidance groove; 22. a fixing member; 221. a rod; 222. a spring; 223. a fixed block; 2231. a jack; 224. a fixing groove; 2241. perforating; 3. cleaning the assembly; 31. a connecting plate; 32. cleaning a rod; 321. a support rod; 322. a chute; 323. a support plate; 33. a first bristle; 34. a bypass member; 341. avoiding blocks; 342. a second bristle; 343. an avoidance spring; 4. a slide block; 5. a blocking lever; 51. a third bristle; 6. and a collection box.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a concrete flexural test device. Referring to fig. 1 and 2, the testing machine comprises a testing machine body 1, wherein the testing machine body 1 comprises a base 11, a frame body 12, a sleeve 13, a lower clamp 14, an upper clamp 15 and a driving assembly 16, the frame body 12 is arranged at the top of the base 11, the driving assembly 16 is arranged on the frame body 12, and the driving assembly 16 is fixedly connected with the upper clamp 15 and is used for driving the upper clamp 15 to move downwards; the sleeve 13 is arranged on the frame body 12, the axis of the sleeve 13 is vertical to the surface of the base 11, the lower clamp 14 is connected to the top of the sleeve 13, and the lower clamp 14 is positioned right below the upper clamp 15. During the test, the sample to be tested is placed between the lower clamp 14 and the upper clamp 15, then the sample to be tested is clamped through the upper clamp 15 and the lower clamp 14, then the upper clamp 15 is driven by the driving assembly 16 to move downwards, the sample to be tested is continuously pressurized until the sample to be tested is broken, and the flexural strength of the sample to be tested can be obtained.

Referring to fig. 2, the base 11 is provided with the interception component 2 and the cleaning component 3, the interception component 2 can intercept the slag splashed when the sample to be tested breaks, the slag is concentrated in a smaller area on the surface of the base 11, and after the breaking test is completed, the cleaning component 3 can clean the slag on the base 11, so that the cleaning process is simpler and more convenient.

Referring to fig. 2, the interception module 2 includes two shields 21 and a fixing member 22 disposed between the two shields 21. The protection covers 21 are slidably connected to the base 11 along a direction parallel to the length of the base 11, the two protection covers 21 slide on the same line, and the openings of the two protection covers 21 are opposite, so that the two protection covers 21 can be opened or closed. The shape of the protection cover 21 is rectangular frame, and the top of the protection cover 21 is provided with an avoidance groove 211 for avoiding the top connecting piece of the upper clamp 15, and the protection cover 21 is sleeved on the outer sides of the upper clamp 15, the lower clamp 14 and the sleeve 13, so that splashed slag can be intercepted when the two protection covers 21 are closed. In order to facilitate observation of the test condition of the sample to be tested inside the shield 21, the shield 21 is made of a transparent plastic material. The fixing component 22 is used for fixedly connecting the two closed protective covers 21 together, so that the protective covers 21 can be better intercepted.

Referring to fig. 3, the fixing member 22 includes a fixing block 223, a plug bar 221, and a spring 222. The fixed block 223 is fixedly connected to the side wall of one of the protective covers 21, which is close to the opening, and the fixed block 223 is provided with an insertion hole 2231; a fixing groove 224 for accommodating the fixing block 223 is formed in the side wall of the other protective cover 21, which is close to one end of the fixing block 223, a through hole 2241 is formed in the side wall of the fixing groove 224, the axial direction of the through hole 2241 is perpendicular to the surface of the protective cover 21, and when the fixing block 223 is completely positioned in the fixing groove 224, the jack 2231 and the through hole 2241 are positioned on the same axis; the insert rod 221 is slidably inserted into the insertion hole 2231, and the spring 222 is fixedly connected between the insert rod 221 and the protection cover 21. When the two shields 21 are closed, the spring 222 is in an original length state, and the end of the insertion rod 221 passes through the insertion hole 2231 and then penetrates into the inside of the shield 21 from the through hole 2241. When fixed, the insert 221 is pulled out; then the two protective covers 21 are closed, and the fixing blocks 223 are positioned in the fixing grooves 224; the insert bar 221 is released, and the insert bar 221 is inserted into the insertion hole 2231 and the through hole 2241 by the spring 222, thereby fixedly coupling the two shields 21.

The protection casing 21 can intercept the broken bits that splashes to inside, is convenient for need clear up afterwards, but the protection casing 21 is easy to damage after long-term use, in order to be convenient for in time change protection casing 21, protection casing 21 detachable connection is on base 11. Two sliding blocks 4 are connected on the base 11 in a sliding direction of the protective cover 21 in a sliding manner, and the two sliding blocks 4 correspond to the two protective covers 21 respectively; a T-shaped groove is formed in the top of the sliding block 4, the length direction of the T-shaped groove is perpendicular to the sliding direction of the sliding block 4, and one end of the T-shaped groove is closed; the bottom of the protection cover 21 is fixedly connected with a T-shaped block matched with the T-shaped groove, so that the protection cover 21 and the sliding block 4 can be conveniently and quickly connected or detached.

Referring to fig. 4 and 5, the cleaning assembly 3 includes a connection plate 31, a cleaning lever 32, first bristles 33, and a relief member 34. The connecting plate 31 is ; the two cleaning rods 32 are respectively and fixedly connected to two ends of the connecting plate 31, the two cleaning rods 32 are positioned on the same straight line, and the length direction of the cleaning rods 32 is parallel to the length direction of the base 11; the two cleaning rods 32 are arranged at intervals, the distance between the two cleaning rods 32 is not smaller than the diameter of the sleeve 13, in the embodiment, the distance between the two cleaning rods 32 is the same as the diameter of the sleeve 13, so that the avoiding part 34 can avoid the sleeve 13 when the cleaning rods 32 move, and therefore the influence of the sleeve 13 on the movement of the cleaning rods 32 is eliminated. Two cleaning rod 32 all fixedly connected with branch 321 of one end that keeps away from each other, and the bottom welding of branch 321 has the fixture block, offered the draw-in groove 111 with fixture block looks adaptation on the surface of base 11, and the draw-in groove 111 sets up along the width direction of base 11, fixture block sliding connection in draw-in groove 111. The first bristles 33 are arranged at the bottom of the cleaning rod 32 along the length direction of the cleaning rod 32, and the bottom of the first bristles 33 is abutted with the top surface of the base 11; the bypass member 34 is disposed at an end of the two purge rods 32 adjacent to each other.

During cleaning, the two protection covers 21 are opened, the connecting plate 31 is pushed to move, the connecting plate 31 drives the cleaning rod 32 to move, the first bristles 33 clean the broken slag on the surface of the base 11, and when the avoiding part 34 meets the sleeve 13, the cleaning rod 32 can smoothly move from one end of the base 11 to the other end. In order to facilitate the collection of the debris cleaned by the first bristles 33, one end of the base 11 is provided with a collection box 6, the opening of the collection box 6 being arranged upwards.

Referring to fig. 5, the escape member 34 includes an escape block 341, an escape spring 343, and second bristles 342. Dodge piece 341 and be located two clearance poles 32 one end that are close to each other, dodge piece 341 and slide along the length direction of clearance pole 32 and set up in clearance pole 32's bottom, dodge piece 341's top welding has the sliding block, and clearance pole 32's bottom has been seted up and has been supplied the gliding spout 322 of sliding block, dodge piece 341 keep away from clearance pole 32's one end and set up to the cambered surface of evagination. One end of the chute 322 is welded with a support plate 323, an avoidance spring 343 is connected between the support plate 323 and the avoidance block 341, the avoidance spring 343 is in a compressed state, and the avoidance spring 343 enables the avoidance block 341 to generate a sliding trend in a direction away from the chute 322. Normally, the end, provided with the cambered surface, of the avoidance block 341 at the end of the two cleaning rods 32 is abutted against each other. The second bristles 342 are disposed at the bottom of the avoidance block 341, and the bottom of the second bristles 342 is abutted against the surface of the base 11. When the setting of dodging the spring 343 makes dodging the piece 341 contact sleeve 13, dodging the piece 341 can all the time with sleeve 13's surface butt, consequently when having realized dodging sleeve 13's function, can also accomplish the clearance to sleeve 13 week side's base 11 surface through second brush hair 342, the clearance effect is better.

In order to strengthen the cleaning effect, the equal fixedly connected with of one end that two clearance poles 32 kept away from each other blocks pole 5, blocks pole 5 and clearance pole 32 perpendicular, and blocks pole 5 and be located the clearance pole 32 and keep away from one side of connecting plate 31, blocks the bottom of pole 5 and is provided with third brush hair 51, the bottom of third brush hair 51 and the surface butt of base 11, therefore when clearance pole 32 moved forward, blocks pole 5 and third brush hair 51 can play the effect that blocks, prevents that the disintegrating slag from removing to both sides.

The implementation principle of the concrete flexural testing device provided by the embodiment of the application is as follows: before the test, the two protective covers 21 are opened, a sample to be tested is placed between the upper clamp 15 and the lower clamp 14, and then the sample to be tested is clamped; next, the two protection covers 21 are mutually closed until the two protection covers 21 are closed, and then the inserting rod 221 is inserted into the inserting hole 2231 to fixedly connect the two protection covers 21; then starting a test, driving the upper clamp 15 to move downwards by the driving assembly 16, loading the sample to be tested until the sample to be tested is stopped when broken, and intercepting the splashed slag into the interior by the protective cover 21 when the sample to be tested is broken; after the test is finished, the inserted bar 221 is pulled out, the two protection covers 21 are opened, then the connecting plate 31 is pushed to move from one end to the other end of the base 11, the connecting plate 31 moves to drive the cleaning bar 32 to move, when the cambered surface of the avoidance block 341 is abutted against the sleeve 13, the two avoidance blocks 341 slide in the direction away from each other along with the movement of the cleaning bar 32, the avoidance block 341 is always abutted against the sleeve 13, and the second bristles 342 can clean the peripheral side of the sleeve 13; when the avoiding blocks 341 are separated from the abutting of the sleeve 13, the two avoiding blocks 341 are abutted under the action of the avoiding spring 343; therefore, the first bristles 33 on the cleaning rod 32 can clean the slag in the front coverage area of the protective cover 21 into the collecting box 6, and the cleaning process is simple and convenient, and saves time and labor.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a concrete bending test device, includes test machine main part (1), its characterized in that: be provided with interception subassembly (2) and clearance subassembly (3) on test machine main part (1), interception subassembly (2) include two sliding connection protection casing (21) on test machine main part (1) and set up fixed part (22) between two protection casing (21), protection casing (21) set up in last anchor clamps (15) and lower anchor clamps (14) outside of test machine main part (1), two the slip direction of protection casing (21) is parallel, fixed part (22) are used for two protection casing (21) fixed connection, clearance subassembly (3) are used for clearing up the broken bits of being intercepted in protection casing (21) on test machine main part (1).

2. The concrete flexural testing device as claimed in claim 1, wherein: the fixing component (22) comprises a plug rod (221) and a spring (222), wherein the plug rod (221) is arranged on one of the protection covers (21) in a sliding mode, a jack (2231) for the plug rod (221) to penetrate is formed in the other protection cover (21), the spring (222) is connected between the plug rod (221) and the protection cover (21), and the spring (222) enables the plug rod (221) to slide towards the direction close to the jack (2231).

3. The concrete flexural testing device as claimed in claim 1, wherein: the testing machine is characterized in that the testing machine body (1) is connected with the sliding blocks (4) in a sliding mode, the sliding blocks (4) are arranged in two and are respectively matched with the two protection covers (21), and the protection covers (21) are connected to the sliding blocks (4) in a sliding and detachable mode.

4. The concrete flexural testing device as claimed in claim 1, wherein: the protective cover (21) is made of transparent material.

5. The concrete flexural testing device as claimed in claim 1, wherein: the cleaning assembly (3) comprises a connecting plate (31) arranged on the main body (1) of the testing machine, cleaning rods (32) arranged at two ends of the connecting plate (31), first bristles (33) arranged on the cleaning rods (32) and avoidance parts (34) arranged at the ends of the cleaning rods (32), wherein the sliding direction of the connecting plate (31) is parallel to the surface of the main body (1) of the testing machine, the length direction of the cleaning rods (32) is perpendicular to the sliding direction of the connecting plate (31), the two cleaning rods (32) are coaxially arranged in the length direction, the first bristles (33) are in contact with the surface of the main body (1) of the testing machine, the avoidance parts (34) are located at one ends of the two cleaning rods (32) close to each other, and the avoidance parts (34) enable the cleaning rods (32) to avoid sleeves (13) on the main body (1) of the testing machine when moving.

6. The concrete flexural testing device of claim 5 in which: the avoidance component (34) comprises an avoidance block (341) arranged on the cleaning rod (32) in a sliding manner along the length direction of the cleaning rod (32), second bristles (342) arranged on the avoidance block (341) and an avoidance spring (343) connected between the avoidance block (341) and the cleaning rod (32), wherein the avoidance block (341) is positioned at one end, close to each other, of the two cleaning rods (32), cambered surfaces protruding outwards are arranged at one end, close to each other, of the avoidance block (341), the second bristles (342) are in contact with the surface of the main body (1) of the testing machine, and the avoidance spring (343) enables the two avoidance blocks (341) to generate a mutually-propped trend.

7. The concrete flexural testing device of claim 5 in which: two the one end that clearance pole (32) kept away from each other all is provided with and blocks pole (5), it keeps away from the one end of connecting plate (31) to block pole (5) to be located clearance pole (32), it is perpendicular with clearance pole (32) to block pole (5), be provided with third brush hair (51) on blocking pole (5), the surface butt of third brush hair (51) and test machine main part (1).

8. The concrete flexural testing device as claimed in claim 1, wherein: one side of the testing machine main body (1) is provided with a collecting box (6).