CN211825449U

CN211825449U - Concrete bending resistance testing machine

Info

Publication number: CN211825449U
Application number: CN202020057355.5U
Authority: CN
Inventors: 崔海英
Original assignee: Shaanxi Longsheng Building Materials Co ltd
Current assignee: Shaanxi Longsheng Building Materials Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-10-30
Anticipated expiration: 2030-01-11

Abstract

The utility model relates to a concrete strength test technical field's a concrete bending test machine aims at solving the problem that improves the concrete test block steadiness, and it includes the base, be equipped with the workstation on the base, the workstation is equipped with the support along vertical direction, be equipped with the fixed plate on the support, the fixed plate deviates from workstation one side and is equipped with the cylinder, fixed plate fixedly connected with briquetting, two is passed to cylinder piston axle free end be equipped with a set of spout that is located mutual parallel on the workstation between the support, be equipped with a set of slider that slides along the spout in the spout, each all be equipped with the fixed block on the slider, two the fixed plate deviates from both sides mutually and is equipped with a set of backup pad that is fixed in on the workstation, passes two perpendicularly the fixed block just rotates with the backup pad and is connected. The utility model discloses have the effect that improves the concrete test block steadiness.

Description

Concrete bending resistance testing machine

Technical Field

The utility model belongs to the technical field of the technique of concrete strength test and specifically relates to an anti testing machine that rolls over of concrete is related to.

Background

In road construction and airport engineering, the flexural strength of concrete is an important index for structural design and quality control. The test block can be broken off in the concrete bending resistance test so as to detect the bending resistance of the concrete test block.

In the prior art, chinese patent with publication number CN209656449U discloses a full-automatic concrete bending and compression testing machine, which comprises a workbench and a mounting rack, wherein the mounting rack is provided with a driving device, the bottom end of the driving device is provided with an upper pressing block, the workbench is provided with a lower pressing block and a mounting column, the lower pressing block is arranged at the top end of the mounting column, the machine further comprises a collecting tray arranged on the top surface of the workbench and used for collecting scraps, and the middle of one side of the collecting tray, which faces the mounting column, is provided with a bayonet used for being matched with the mounting column in a clamping and embedding manner; the mounting column is provided with a mounting groove for clamping two vertex angles adjacent to the bayonet on the collecting disc into, and a fixing component for fixing the collecting disc is arranged on the mounting column; the catch tray sets up two places, and symmetric distribution in erection column both sides, two apex angle departments that catch tray and bayonet socket are adjacent all are provided with the columniform fixture block of fourth, the top of catch tray is provided with the protection casing of the U type of opening towards the erection column, the protection casing is formed by three transparent ya keli board concatenations.

The working principle is as follows: the collecting discs symmetrically distributed on the two sides of the mounting column increase the collecting area of the broken debris, and can effectively collect the broken debris generated in the test process; the apex angle of the collecting tray is provided with a fixture block, the mounting column is provided with a mounting groove, the collecting tray is stably mounted through the clamping and embedding matching of the fixture block and the mounting groove, and the fixing component further improves the mounting stability of the collecting tray; the protection casing that transparent ya keli board concatenation formed can effectively block the piece disintegrating slag that splashes or bounces out, and does not hinder the condition of observing the test block in the experimentation, does not influence the control of experimenter to the test process.

The above prior art solutions have the following drawbacks: when carrying out anti strength of rolling over to the concrete test block and detecting, operating personnel need place the concrete test block on briquetting down, among the above-mentioned scheme, when going up the briquetting and suppressing the concrete test block, the stability of briquetting to the concrete test block is not enough down, probably leads to bringing certain error when detecting anti strength of rolling over to the concrete to influence experimental accuracy.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an anti testing machine that rolls over of concrete has the beneficial effect who improves the concrete test block steadiness.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an anti testing machine that rolls over of concrete, includes the base, be equipped with the workstation on the base, the workstation is equipped with the support along vertical direction, be equipped with the fixed plate on the support, the fixed plate deviates from workstation one side and is equipped with the cylinder, cylinder piston shaft free end passes fixed plate fixedly connected with briquetting, two be equipped with a set of spout that is located mutual parallel on the workstation between the support, be equipped with in the spout along a set of slider that the spout slided, each all be equipped with the fixed block on the slider, two the fixed plate deviates from both sides mutually and is equipped with a set of backup pad that is fixed in on the workstation, passes two perpendicularly the fixed block just rotates with the backup pad.

Through adopting above-mentioned technical scheme, the during operation, operating personnel rotate two-way screw rod according to the concrete test block size earlier, and two-way screw rod drives the fixed block and moves so that adjust distance between two fixed blocks along spout orientation opposite direction or the opposite directions that leaves mutually, puts the concrete test block on the fixed block again, restarts the cylinder, and cylinder piston axle promotes the briquetting and detects the bending strength of concrete briquetting.

The present invention may be further configured in a preferred embodiment as: and one end of the bidirectional screw, which is far away from the supporting plate, is fixedly connected with a rotating handle.

Through adopting above-mentioned technical scheme, when operating personnel rotated two-way screw rod and adjusted the distance between two fixed blocks, the setting of turning handle has realized the convenience of operation.

The present invention may be further configured in a preferred embodiment as: the fixed block sets up to the L type, two the fixed block deviates from one side mutually and is equipped with the strengthening rib, the strengthening rib sets up along two-way screw rod axial both sides.

By adopting the technical scheme, the sizes of the concrete test blocks are different, and the fixing blocks are arranged to be L-shaped, so that the concrete test blocks are stably fixed; the setting of strengthening rib has strengthened the self intensity of L type fixed block, has realized the stable support of fixed block.

The present invention may be further configured in a preferred embodiment as: and two sides of the fixed block, which are deviated from each other, are respectively in threaded connection with limiting rods which are vertical to the axial direction of the bidirectional screw rod.

Through adopting above-mentioned technical scheme, adjust the gag lever post and carry on spacingly to concrete test block both sides, realized the stable fixed to the concrete test block.

The present invention may be further configured in a preferred embodiment as: two sides that the slider deviates from mutually all are equipped with the organ safety cover with spout both sides fixed connection.

Through adopting above-mentioned technical scheme, the anti back of rolling over the strength test completion of concrete test block, the concrete block fracture produces the residue, and the residue can drop and cause the clearance difficulty in the spout, and the organ safety cover has the elasticity, and the setting of organ safety cover has not only prevented that the concrete residue from dropping in the spout to do not influence the smooth and easy motion of fixed block in the spout.

The present invention may be further configured in a preferred embodiment as: the workstation is fixed with the connecting rod along vertical direction, connecting rod one end is fixed with the sliding sleeve, the connecting rod is fixed in the sliding sleeve interlude and just puts to central point between two fixed blocks, the sliding sleeve deviates from both ends mutually and all is equipped with the slide bar that can follow sliding sleeve sliding connection, the slide bar is kept away from sliding sleeve one end and is articulated to have the pilot lever, be fixed with the spacing to the pilot lever screens on the slide bar.

Through adopting above-mentioned technical scheme, place on the fixed block when the concrete test block, for the accuracy of test result, need operating personnel to aim at the central point of briquetting with the concrete test block to put under general conditions, the concrete test block need be located the central point of two fixed blocks promptly, operating personnel slides two carriage and makes it drive the slide bar and slide to one side that keeps away from each other respectively, rotate the instruction pole and make its directional concrete test block direction, realized making the concrete test block aim at briquetting central point and put, use manpower sparingly and the test result is accurate.

The present invention may be further configured in a preferred embodiment as: the sliding sleeve both ends are equipped with the protruding wall that extends the setting inwards respectively, the slide bar is equipped with the flange that extends outwards, flange outer lane diameter is greater than protruding wall inner circle diameter.

Through adopting above-mentioned technical scheme, the setting that flange outer lane diameter is greater than the flange inner circle diameter has prevented that the slide bar from breaking away from in the sliding sleeve when sliding along the sliding sleeve, has realized spacing to the slide bar.

The present invention may be further configured in a preferred embodiment as: and the two sliding rods are provided with scale marks.

Through adopting above-mentioned technical scheme, the setting of scale mark is convenient for operating personnel to the convenient reading of concrete test block, has realized the accuracy of test data.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the distance between the fixed blocks is adjusted through the designed bidirectional screw rod, so that the concrete test block can be stably fixed;

2. the designed organ protection cover realizes the protection of the chute, prevents concrete residues from falling into the chute and does not influence the smooth movement of the fixed block in the chute;

3. through the sliding sleeve and the sliding rod, the concrete test block is aligned to the center of the pressing block, labor is saved, and the test result is accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic diagram of an exploded structure of the sliding sleeve and the sliding rod.

In the figure, 11, the chute; 12. a cylinder; 13. a fixing plate; 14. briquetting; 15. a support; 16. a work table; 17. a base; 211. a handle is rotated; 212. a bidirectional screw; 213. a limiting rod; 214. a fixed block; 215. reinforcing ribs; 216. a support plate; 217. a slider; 218. an organ protection cover; 311. a limiting frame; 312. an indication lever; 313. a slide bar; 314. a sliding sleeve; 315. a connecting rod; 316. a convex wall; 317. a flange; 318. scale lines are marked.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a concrete bending resistance testing machine, including base 17, be provided with workstation 16 on the base 17, workstation 16 is provided with a set of support 15 along vertical, is provided with fixed plate 13 on the support 15, and fixed plate 13 deviates from 16 one sides of workstation and is provided with cylinder 12, and cylinder 12 piston shaft free end passes fixed plate 13 fixedly connected with briquetting 14.

Referring to fig. 2, in order to stably fix the concrete test block, a set of parallel sliding grooves 11 are arranged on the worktable 16 between the two brackets 15, a set of sliding blocks 217 sliding along the sliding grooves 11 are arranged in the sliding grooves 11, and fixing blocks 214 are arranged on the sliding blocks 217; in order to realize the stable fixation of the concrete test block, the fixing blocks 214 are L-shaped, in order to realize the stable support of the fixing blocks 214, reinforcing ribs 215 are arranged on one side, away from each other, of the two fixing blocks 214, the reinforcing ribs 215 are arranged along two axial sides of the bidirectional screw 212, vertically penetrate through the two fixing blocks 214 and are rotatably connected with the bidirectional screw 212 with the support plate 216; in order to facilitate the manual rotation of the bidirectional screw 212 by an operator, a group of supporting plates 216 fixed on the worktable 16 are arranged on two opposite sides of the two fixing plates 13, a rotating handle 211 is fixedly connected to one end of the bidirectional screw 212 departing from the supporting plates 216, and in order to limit two sides of the concrete test block, two sides of the fixing block 214 departing from each other are respectively in threaded connection with a limiting rod 213 which is axially perpendicular to the bidirectional screw 212.

Referring to fig. 2, after the bending strength test of the concrete test block is completed, the concrete block is broken to generate residues, the residues can fall in the sliding groove 11 to cause difficulty in cleaning, in order to prevent the concrete residues from falling in the sliding groove 11 and not to influence the smooth movement of the fixed block 214 in the sliding groove 11, the two sides of the two sliding blocks 217 away from each other are provided with organ protection covers 218 fixedly connected with the two sides of the sliding groove 11.

Referring to fig. 3, when a concrete test block is placed on the fixed block 214, in order to align the concrete test block to the center of the press block 14, labor is saved and a test result is accurate, a connecting rod 315 is fixed on the workbench 16 along the vertical direction, a sliding sleeve 314 is fixed at one end of the connecting rod 315, two ends of the sliding sleeve 314 are respectively provided with a convex wall 316 extending inwards, the connecting rod 315 is fixed at the middle section of the sliding sleeve 314 and faces to the center between the two fixed blocks 214, a sliding rod 313 capable of sliding along the sliding sleeve 314 is arranged at two opposite ends of the sliding sleeve 314, a flange 317 extending outwards is arranged around the peripheral wall of the sliding rod 313, in order to prevent the sliding rod 313 from being separated from the sliding sleeve 314 when sliding along the sliding sleeve 314, and limit of the sliding rod.

In order to facilitate the operator to conveniently read the concrete test block, one end of the sliding rod 313, which is far away from the sliding sleeve 314, is hinged with an indicating rod 312, a limiting frame 311 for clamping the indicating rod 312 is fixed on the sliding rod 313, and the two sliding rods 313 are provided with scale marks 318.

The implementation principle of the embodiment is as follows: when the device works, an operator rotates the bidirectional screw 212 according to the size of the concrete test block, the bidirectional screw 212 drives the fixed blocks 214 to move towards opposite directions or opposite directions along the sliding groove 11 so as to adjust the distance between the two fixed blocks 214, then the concrete test block is placed on the fixed blocks 214, the two sides of the concrete test block are limited by the adjusting limiting rods 213, and the concrete test block is stably fixed; and then the cylinder 12 is started, and the piston shaft of the cylinder 12 pushes the pressing block 14 to detect the bending strength of the concrete pressing block 14.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an anti testing machine that rolls over of concrete, includes base (17), be equipped with workstation (16) on base (17), its characterized in that: workstation (16) are equipped with support (15) along vertical direction, be equipped with fixed plate (13) on support (15), fixed plate (13) deviate from workstation (16) one side and are equipped with cylinder (12), cylinder (12) piston shaft free end passes fixed plate (13) fixedly connected with briquetting (14), two be equipped with a set of spout (11) that are located workstation (16) and are parallel to each other between support (15), be equipped with in spout (11) along a set of slider (217) that spout (11) slided, each all be equipped with fixed block (214) on slider (217), two fixed plate (13) are equipped with a set of backup pad (216) that are fixed in on workstation (16) from both sides back, pass two perpendicularly fixed block (214) just rotate with backup pad (216) and are connected with two-way screw rod (212).

2. The concrete bending tester according to claim 1, wherein: and one end of the bidirectional screw rod (212) departing from the supporting plate (216) is in threaded connection with a rotating handle (211).

3. The concrete bending tester according to claim 1, wherein: the fixing blocks (214) are L-shaped, reinforcing ribs (215) are arranged on the opposite sides of the two fixing blocks (214), and the reinforcing ribs (215) are arranged along the two axial sides of the two-way screw (212).

4. The concrete bending tester according to claim 1, wherein: and two sides of the fixing block (214) which deviate from each other are respectively in threaded connection with a limiting rod (213) which is vertical to the axial direction of the bidirectional screw rod (212).

5. The concrete bending tester according to claim 1, wherein: two sides of the sliding blocks (217) which deviate from each other are provided with organ protection covers (219) fixedly connected with two sides of the sliding groove (11).

6. The concrete bending tester according to claim 1, wherein: workstation (16) are fixed with connecting rod (315) along vertical direction, connecting rod (315) one end is fixed with sliding sleeve (314), connecting rod (315) are fixed in sliding sleeve (314) interlude and just to central point between two fixed blocks (214) and put, sliding sleeve (314) all are equipped with slide bar (313) that can follow sliding sleeve (314) sliding connection back to the both ends, slide bar (313) are kept away from that sliding sleeve (314) one end articulates and are had pilot lever (312), be fixed with spacing (311) to pilot lever (312) screens on slide bar (313).

7. The concrete bending tester according to claim 6, wherein: the sliding sleeve (314) both ends are equipped with respectively and extend protruding wall (316) that set up inwards, slide bar (313) are equipped with flange (317) that extend outwards, flange (317) outer lane diameter is greater than protruding wall (316) inner circle diameter.

8. The concrete bending tester according to claim 7, wherein: and scale marks (318) are arranged on the two sliding rods (313).