CN219121938U

CN219121938U - Concrete bending test machine

Info

Publication number: CN219121938U
Application number: CN202223549145.6U
Authority: CN
Inventors: 元松; 王舜; 王晓佳
Original assignee: Shanghai Municipal Highway Engineering Testing Co ltd
Current assignee: Shanghai Municipal Highway Engineering Testing Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-02
Anticipated expiration: 2032-12-29

Abstract

The application relates to a concrete bending test machine relates to the field that concrete detected, and it includes the test bench, set up in the loading device at test bench top and set up in the receipts workbin of test bench lateral wall, still include first cleaning device, second cleaning device and collecting tank, first cleaning device sets up in the top of test bench, and the collecting tank sets up on loading device, and second cleaning device sets up in the collecting tank, and first cleaning device includes the driving piece that the brush and drive brush removed, and the brush butt is in the top of test bench. The concrete fragment cleaning device has the effects of being capable of cleaning concrete fragments more conveniently and rapidly, reducing labor intensity of workers and improving test efficiency.

Description

Concrete bending test machine

Technical Field

The application relates to the field of concrete detection, in particular to a concrete bending resistance testing machine.

Background

Concrete is one of the most main civil engineering materials in the current generation, has the characteristics of rich raw materials, low price and simple production process, and the bending (bending) strength and deformation are important material properties of the concrete, and the bending strength of the concrete is an important index for controlling the quality of a concrete structure in the fields of construction, municipal engineering and the like.

Currently, a flexural tester is generally used to perform flexural test on concrete to evaluate the flexural strength of the concrete. The existing concrete flexural testing machine comprises a test bed, a loading device arranged on the test bed and a material collecting box arranged on the side wall of the test bed, wherein the loading device comprises an upper loading unit and a lower loading unit, the lower loading unit comprises a lower loading table, a hydraulic cylinder and a material collecting groove, the hydraulic cylinder is fixed at the top of the test bed, the material collecting groove is arranged at the top of the hydraulic cylinder, the lower loading table is arranged above the material collecting groove, a guide inclined surface is arranged on one side of the material collecting groove, the guide inclined surface is arranged above the material collecting box, and a concrete test piece subjected to flexural testing can fall into the material collecting box along the guide inclined surface.

With respect to the above related art, the inventor considers that in the process of performing the flexural test on a plurality of concrete test pieces, concrete fragments fall on a test stand, and frequent cleaning of the concrete flexural tester is required by a worker, which consumes manpower and time, thereby affecting the test efficiency.

Disclosure of Invention

In order to enable the concrete bending test machine to be convenient to clean, and therefore test efficiency is improved, the application provides the concrete bending test machine.

The application provides a concrete bending resistance testing machine adopts following technical scheme:

the utility model provides a concrete flexural testing machine, includes the test bench, set up in loading device at test bench top with set up in the receipts workbin of test bench lateral wall still includes first cleaning device, second cleaning device and collecting tank, first cleaning device set up in the top of test bench, the collecting tank set up in on the loading device, the second cleaning device set up in the collecting tank, first cleaning device include the brush and drive the driving piece that the brush removed, the brush butt in the top of test bench.

Through adopting above-mentioned technical scheme, after the concrete bending test, there is concrete fragment and residue to drop on collection silo and test bench, starts the driving piece this moment, and the drive cleaning brush cleans the test bench, controls the second cleaning device simultaneously and clears up the collection silo for it is more convenient to clear up the concrete fragment, has reduced staff's intensity of labour, has improved test efficiency.

Optionally, the driving piece includes motor, driving gear, chain and driven gear, motor fixed mounting in the test bench top, driving gear fixed connection in motor output shaft just with the coaxial rotation of motor output shaft, driven gear set up in loading device keeps away from one side of motor, the chain around locating driving gear with on the driven gear, just the chain with driving gear with driven gear meshing is connected, the brush cleaner fixed mounting in on the chain.

Through adopting above-mentioned technical scheme, the starter motor, driving gear and driven gear synchronous rotation, drive chain drive brush are around loading device to do circumferential motion, with the concrete residue clean up on the test bench.

Optionally, a material guiding inclined plane is arranged on the test bed, and the material guiding inclined plane is arranged above the material receiving box.

Through adopting above-mentioned technical scheme, the concrete residue who clears up after the brush cleaner rotates a week can fall into the receipts workbin along the guide inclined plane.

Optionally, a baffle is arranged at the edge of the top of the test stand.

Through adopting above-mentioned technical scheme, thereby make most concrete residue all can be swept to the guide inclined plane by the brush and fall into the receipts workbin, reduce the possibility that concrete residue falls around the test bench in the clearance process of brush.

Optionally, a plurality of cleaning brushes are provided.

Through adopting above-mentioned technical scheme, the brush cleaner can clean up the test bench more fast.

Optionally, the second cleaning device includes two sliding blocks and fixed mounting in two the catch bar between the sliding blocks, set up the sliding hole that runs through on the opposite lateral wall in groove that gathers materials, sliding block sliding connection in the sliding hole.

Through adopting above-mentioned technical scheme, the staff removes the sliding block, makes the catch bar push away the great concrete fragment in the collection silo to the direction inclined plane to in the slip falls into the receipts workbin.

Optionally, a positioning strip is arranged on the inner wall of the sliding hole, a positioning groove is formed in the side wall of the sliding block, and the positioning strip is slidably connected in the positioning groove.

Through adopting above-mentioned technical scheme, make the slider can remove along the setting direction of location strip, reduce the probability that the slider deviate from in the downthehole from sliding.

Optionally, the second cleaning device further comprises a rotating brush, a driving gear and a rack, the rotating brush and the driving gear are both sleeved on the pushing rod, the driving gear is arranged between the rotating brush and the sliding block, the driving gear is fixedly connected with the rotating brush, the rack is fixedly installed at the top of the inner wall of the sliding hole, and the driving gear is meshed and connected with the rack.

Through adopting above-mentioned technical scheme, when the staff removes the sliding block, the gear can drive the pivoted brush and do the rotary motion with the catch bar as the axle, sweeps the concrete residue on the collecting tank to the direction inclined plane to fall into the receipts workbin.

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

1. when the concrete bending test is finished, concrete fragments and residues fall on the collecting tank and the test bed, at the moment, the driving piece is started to drive the cleaning brush to clean the test bed, and meanwhile, the second cleaning device is controlled to clean the collecting tank, so that the concrete fragments are more conveniently cleaned, the labor intensity of staff is reduced, and the test efficiency is improved;

2. the concrete residues cleaned after the cleaning brush rotates for a circle can fall into the material receiving box along the material guiding inclined plane;

3. when the staff removes the sliding block, the gear can drive the pivoted brush and do the swivelling movement with the catch bar as the axle, sweeps the concrete residue on the collecting tank to the direction inclined plane to fall into the receipts workbin.

Drawings

FIG. 1 is a schematic structural view of a concrete flexural tester of the present application;

FIG. 2 is a cross-sectional view of the concrete flexural tester of the subject application;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals illustrate: 1. a test bed; 11. a material guiding inclined plane; 12. a baffle; 2. a loading device; 3. a material receiving box; 4. a material collecting groove; 41. a guide slope; 42. a slip hole; 43. a positioning strip; 5. a first cleaning device; 51. a cleaning brush; 52. a driving member; 521. a motor; 522. a drive gear; 523. a chain; 524. a driven gear; 6. a second cleaning device; 61. a sliding block; 611. a positioning groove; 62. a push rod; 63. a rotating brush; 64. a drive gear; 65. a rack; 66. pushing the block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1, a concrete flexural testing machine disclosed in the embodiments of the present application includes a test stand 1, a loading device 2 mounted on the test stand 1, a material receiving box 3 disposed on a side wall of the test stand 1, a material collecting tank 4 disposed on the loading device 2, a first cleaning device 5 disposed on a top of the test stand 1, and a second cleaning device 6 disposed in the material collecting tank 4. The concrete test piece is placed on the loading device 2 for a bending test, the material collecting groove 4 is located below the concrete test piece, one side, close to the material collecting box 3, of the material collecting groove 4 is obliquely downwards provided with a guide inclined surface 41, and the concrete test piece subjected to the bending test can fall into the material collecting box 3 along the guide inclined surface 41.

The first cleaning device 5 comprises a cleaning brush 51 and a driving piece 52 for driving the cleaning brush 51 to move, the cleaning brush 51 is in a strip shape, bristles of the cleaning brush 51 are downwards arranged and are abutted to the top of the test stand 1, the bristles are made of harder materials, and concrete fragments can be pushed to move. The driving element 52 comprises a motor 521 arranged at the top of the test stand 1, a driving gear 522 sleeved on the output shaft of the motor 521, a chain 523 meshed with the driving gear 522 and a driven gear 524 synchronously rotating with the driving gear 522, the driving gear 522 is fixedly connected to the output shaft of the motor 521 and coaxially rotates with the output shaft of the motor 521, the chain 523 is wound on the driving gear 522 and the driven gear 524 along the horizontal direction, the chain 523 is arranged on the outer peripheral side of the loading device 2, the driven gear 524 is arranged on the side, far away from the motor 521, of the loading device 2, the driven gear 524 is also meshed with the chain 523, and the cleaning brush 51 is fixedly arranged on the side wall, far away from the driving gear 522, of the chain 523. The motor 521 drives the chain 523 to rotate around the loading device 2 through the driving gear 522 and the driven gear 524, so as to drive the cleaning brush to clean the concrete residues on the top of the test stand 1.

More preferably, the top of the test stand 1 is provided with a downward-inclined guide inclined surface 11, the guide inclined surface 11 is arranged above the material receiving box 3, the cleaning brush surrounds the loading device 2 to clean concrete residues, and when the cleaning brush moves to the position above the guide inclined surface 11, the concrete residues can fall into the material receiving box 3 along the guide inclined surface 11. Meanwhile, in order to avoid the cleaning brush from sweeping concrete residues to the ground of the bending test machine in the movement process as much as possible, a baffle 12 is further arranged at the edge of the top of the test stand 1, so that most of concrete residues can be swept into the material receiving box 3. In addition, in order to enable the test stand 1 to be cleaned up more quickly, a plurality of cleaning brushes 51 are provided, and in this embodiment, two cleaning brushes 51 are provided.

Referring to fig. 2 and 3, the second cleaning device 6 includes two sliding blocks 61, a pushing rod 62 fixedly installed between the two sliding blocks 61, a rotating brush 63 sleeved on the pushing rod 62, a driving gear 64 rotatably connected to the pushing rod 62, and a rack 65 meshed with the driving gear 64, wherein the opposite side walls of the collecting tank 4 are provided with penetrating sliding holes 42 along the horizontal direction, the sliding holes 42 are long, the two sliding blocks 61 are respectively and slidably connected in the two sliding holes 42, the side walls of the sliding blocks 61 are abutted against the side walls of the sliding holes 42, bristles of the rotating brush 63 are uniformly arranged along the outer peripheral side of the pushing rod 62, and the length of the rotating brush 63 is the same as the width of the collecting tank 4, so that concrete residues in the collecting tank 4 can be cleaned relatively comprehensively. The driving gear 64 is fixedly connected with the rotating brush 63, in this embodiment, the driving gear 64 and the rack 65 are both provided with two and are respectively arranged on two opposite sides of the rotating brush 63, the driving gear 64 is arranged between the sliding block 61 and the rotating brush 63, the driving gear 64 is also arranged in the sliding hole 42, the rack 65 is fixedly arranged on the inner wall of the sliding hole 42, the rack 65 is arranged above the driving gear 64, and the pushing block 66 is fixedly arranged on the side wall of the sliding block 61 far away from the rotating brush 63.

The worker drives the sliding block 61 to reciprocate in the sliding hole 42 through the pushing block 66, and larger concrete fragments are pushed to the guide inclined surface 41 by the pushing rod 62 so as to fall into the material receiving box 3; meanwhile, along with the movement of the sliding block 61, the driving gear 64 rotates by taking the pushing rod 62 as an axis, so that the rotating brush 63 can rotate while moving along the horizontal direction, and concrete residues on the collecting tank 4 are swept to the guide inclined plane 41 and fall into the collecting box 3.

Further, the inner wall of the sliding hole 42 is integrally formed with a positioning strip 43 along the horizontal direction, and a positioning groove 611 is correspondingly formed in the side wall of the sliding block 61, the positioning strip 43 is slidably connected in the positioning groove 611, when a worker moves the sliding block 61, the sliding block 61 can stably move in the sliding hole 42 along the setting direction of the positioning strip 43, so that the sliding block 61 cannot be separated from the sliding hole 42, and normal use of the second cleaning device 6 is ensured.

The implementation principle of the concrete bending resistance testing machine provided by the embodiment of the application is as follows: after the bending test is finished, a motor 521 is started, a chain 523 drives a cleaning brush 51 to move around the loading device 2, the top of the test stand 1 is cleaned, and concrete fragments and residues falling on the test stand 1 are scanned to a material guiding inclined plane 11 and then slide into a material receiving box 3; at the same time, the worker grasps the push block 66 to move the slide block 61, so that the push rod 62 and the rotary brush 63 can clean the concrete fragments and residues falling in the collecting tank 4. The first cleaning device 5 and the second cleaning device 6 enable the cleaning of concrete fragments, namely residues, to be more convenient and quick, reduce the labor intensity of workers and improve the test efficiency.

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

Claims

1. The utility model provides a concrete bending test machine, includes test bench (1), set up in loading device (2) at test bench (1) top with set up in receive workbin (3) of test bench (1) lateral wall, its characterized in that: still include first cleaning device (5), second cleaning device (6) and collection groove (4), first cleaning device (5) set up in the top of test bench (1), collection groove (4) set up in on loading device (2), second cleaning device (6) set up in collection groove (4), first cleaning device (5) including brush cleaner (51) and drive driving piece (52) that brush cleaner (51) removed, brush cleaner (51) butt in the top of test bench (1).

2. The concrete flexural tester as claimed in claim 1, wherein: the driving piece (52) comprises a motor (521), a driving gear (522), a chain (523) and a driven gear (524), wherein the motor (521) is fixedly installed at the top of the test bench (1), the driving gear (522) is fixedly connected with an output shaft of the motor (521) and coaxially rotates with the output shaft of the motor (521), the driven gear (524) is arranged on one side, far away from the motor (521), of the loading device (2), the chain (523) is wound on the driving gear (522) and the driven gear (524), the driving gear (522) and the driven gear (524) are both meshed and connected with the chain (523), and the cleaning brush (51) is fixedly installed on the chain (523).

3. The concrete flexural tester as claimed in claim 2, wherein: the test bed (1) is provided with a material guiding inclined plane (11), and the material guiding inclined plane (11) is arranged above the material receiving box (3).

4. A concrete flexural testing machine as claimed in claim 3, wherein: a baffle plate (12) is arranged at the edge of the top of the test stand (1).

5. The concrete bending tester according to claim 4, wherein: the cleaning brush (51) is provided with a plurality of cleaning brushes.

6. The concrete flexural tester as claimed in claim 1, wherein: the second cleaning device (6) comprises two sliding blocks (61) and a pushing rod (62) fixedly installed between the two sliding blocks (61), penetrating sliding holes (42) are formed in the opposite side walls of the collecting groove (4), and the sliding blocks (61) are connected in the sliding holes (42) in a sliding mode.

7. The concrete flexural tester as claimed in claim 6, wherein: the inner wall of the sliding hole (42) is provided with a positioning strip (43), the side wall of the sliding block (61) is provided with a positioning groove (611), and the positioning strip (43) is slidably connected in the positioning groove (611).

8. The concrete flexural tester as claimed in claim 7, wherein: the second cleaning device (6) further comprises a rotating brush (63), a driving gear (64) and a rack (65), wherein the rotating brush (63) and the driving gear (64) are sleeved on the pushing rod (62), the driving gear (64) is arranged between the rotating brush (63) and the sliding block (61), the driving gear (64) is fixedly connected with the rotating brush (63), the rack (65) is fixedly installed on the inner wall of the sliding hole (42), and the driving gear (64) is meshed and connected with the rack (65).