CN210981710U

CN210981710U - Impact testing machine for simply supported beam

Info

Publication number: CN210981710U
Application number: CN201921706619.9U
Authority: CN
Inventors: 李艳阳; 冯英英; 李飞先; 程杏; 孙云龙
Original assignee: Hebei Shiji Building Material Equipment Inspection Co ltd
Current assignee: Hebei Shiji Building Material Equipment Inspection Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-10
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a simple beam impact testing machine, which comprises a base, the last perpendicular surface of base is connected with the riser, the upper surface embedding slidable mounting of riser has L shaped plates, the top front surface of L shaped plate is provided with the limiting plate, the rear surface level of limiting plate is rotated and is connected with the fixed axle, the other end of fixed axle rotates with the front surface of L shaped plate to be connected, and the surface of fixed axle cup joints and is provided with the fixed block the utility model relates to a simple beam testing technique field, this simple beam impact testing machine, the top both sides through L shaped plate and the both sides of riser all are provided with protruding piece, are connected with the cylinder between two protruding pieces perpendicularly, and when carrying out impact test to the simple beam, the cylinder can drive L shaped plate and go up and down, then is adjusting the length of slide bar to can adjust the different impact length of jump bit, and then can carry out the test under the different conditions of multiunit to the simple beam.

Description

Impact testing machine for simply supported beam

Technical Field

The utility model relates to a simply supported beam testing technique field specifically is a simply supported beam impact tester.

Background

The simple beam is a supporting structure which bears vertical loads at two ends and does not provide torque, additional internal force cannot be generated in the beam due to temperature change of a system, shrinkage and creep of concrete, tension prestress, support movement and the like, the simple beam is simple in stress, a model is simplified for mechanics, a simple beam body is lengthened and passes through a fulcrum to form an extending beam, the simple beam support is hinged to a fixed hinged support and a sliding hinged support, in order to guarantee the quality of the simple beam, an impact test machine is required to perform an impact test on the simple beam before the construction of the simple beam, and whether the simple beam is qualified or not can be detected through the test.

But present impact testing machine still has some defects when testing to the simply supported roof beam, and current impact testing machine can not adjust the impact length of jump bit to can not make the test result under the different conditions, and when experimental, not only complicated loaded down with trivial details to the fixed mode of simply supported roof beam, the simply supported roof beam still takes place to become flexible easily moreover, thereby has influenced the test result.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a simply supported beam impact testing machine has solved the impact length that current impact testing machine can not adjust the jump bit to can not make the test result under the different conditions, and when experimental, not only complicated loaded down with trivial details to the fixed mode of simply supported beam, the simply supported beam still takes place easily not hard up moreover, thereby has influenced the problem of test result.

In order to achieve the purpose, the utility model discloses a simple beam impact testing machine, which comprises a base, the upper surface of base is connected with the riser perpendicularly, the upper surface embedding slidable mounting of riser has the L shaped plate, the top front surface of L shaped plate is provided with the limiting plate, the horizontal rotation of rear surface of limiting plate is connected with the fixed axle, the other end of fixed axle rotates with the front surface of L shaped plate to be connected, and the surface cup joints and is provided with the fixed block, one side of fixed block is provided with the solid fixed cylinder, the one end embedding slidable mounting of solid fixed cylinder has the slide bar, the top both sides of L shaped plate and the both sides of riser all are provided with protruding piece, two be connected with the cylinder perpendicularly between the protruding piece, the place symmetry that the place is close to the place ahead of riser in the upper surface of base is provided with two supports, two the upper surface of support all sets up flutedly, the inside one side of recess is personally submits matrix mode embedding slidable mounting has the sliding shaft, the one end fixedly connected with splint of sliding shaft, the pole is installed in the embedding rotation of one side of support, the lower extreme fixedly connected with the worm wheel fixedly connected with the gyro plate, the position of the limiting shaft all.

Preferably, the slide bar is fixedly connected with the fixed cylinder through a bolt, an impact hammer is fixedly connected to one end of the slide bar, and a graduated scale is arranged on the outer surface of the slide bar.

Preferably, the preceding fixed surface of limiting plate installs the calibrated scale, the preceding surface intermediate position department of calibrated scale runs through to rotate and installs the pointer, the one end of fixed axle is provided with the dead lever, the other end of dead lever pass the rear surface of limiting plate and with the one end fixed connection of pointer.

Preferably, the outer surface of the cylinder is symmetrically sleeved with a limiting block, and one side of the limiting block is fixedly connected with the side face of the vertical plate.

Preferably, the position between the two supports corresponds to the impact hammer.

Preferably, the anti-skidding blocks are uniformly arranged on one side face of the clamping plate and are alloy steel components.

Preferably, the outer surface of one end of each of the two limiting shafts is provided with spiral teeth matched with the worm wheel, and the spiral teeth and the worm wheel are meshed.

Preferably, the outer surfaces of the two limiting shafts are provided with threads at positions close to one side of the spiral teeth, the outer surfaces of the limiting shafts are sleeved with sliding blocks matched with the threads, and the other ends of the sliding shafts are fixedly connected with one side faces of the sliding blocks.

Advantageous effects

The utility model provides a simply supported beam impact tester compares with prior art and possesses following beneficial effect:

(1) this simple beam impact tester, one side through the fixed block is provided with a fixed section of thick bamboo, the one end embedding slidable mounting of a fixed section of thick bamboo has the slide bar, the top both sides of L shaped plate and the both sides of riser all are provided with protruding piece, be connected with the cylinder between two protruding pieces perpendicularly, when carrying out impact test to the simple beam, the cylinder can drive L shaped plate and go up and down, then length at the regulation slide bar, thereby can adjust the different impact length of jump bit, and then can carry out the experiment under the different conditions of multiunit to the simple beam, thereby experimental accuracy has been improved.

(2) This simple beam impact testing machine, one end fixedly connected with splint through the sliding shaft, one side upper surface embedding of support is rotated and is installed the bull stick, the lower extreme fixedly connected with worm wheel of bull stick, the inside cavity that is provided with in one side of support, the inside of cavity is located the equal level rotation in front and back position department of worm wheel and is connected with spacing axle, when fixed simple beam, can be through adjusting the carousel, make it drive the worm wheel rotation on the bull stick, and then can make the worm wheel drive spacing axle and rotate, the slider will move on spacing epaxial, can make the epaxial splint of sliding move when the slider removes, thereby the convenience is fixed the simple beam, it is fixed firm with the simple beam, prevent when detecting, the not hard up condition appears in the simple beam.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

fig. 2 is an installation schematic diagram of the impact hammer structure of the present invention;

FIG. 3 is a schematic view of the support structure of the present invention;

fig. 4 is an internal schematic view of the support structure of the present invention.

In the figure, a base 1, a vertical plate 2, a 3L-shaped plate, a 4 limiting plate, a 41 dial, a 42 pointer, a 5 fixing shaft, a 51 fixing rod, a 6 fixing block, a 7 fixing cylinder, a 71 bolt, an 8 sliding rod, an 81 impact hammer, a 82 graduated scale, a 9 bulge block, a 10 cylinder, a 1001 limiting block, an 11 support, a 12 groove, a 13 sliding shaft, a 14 clamping plate, a 141 antiskid block, a 15 rotating rod, a 151 rotating disc, a 16 worm wheel, a 17 cavity, an 18 limiting shaft, 181 spiral teeth, 182 threads and 183 sliding blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the present invention provides a technical solution, which is a simple beam impact tester, including a base 1, a vertical plate 2 is vertically connected to an upper surface of the base 1, a L-shaped plate 3 is slidably installed by embedding the upper surface of the vertical plate 2, a limiting plate 4 is disposed on a front surface of a top side of the L-shaped plate 3, a fixing shaft 5 is horizontally and rotatably connected to a rear surface of the limiting plate 4, a dial 41 is fixedly installed on the front surface of the limiting plate 4, a pointer 42 is rotatably installed at a middle position of the front surface of the dial 41, a fixing rod 51 is disposed at one end of the fixing shaft 5, the other end of the fixing rod 51 passes through a rear surface of the limiting plate 4 and is fixedly connected to one end of the pointer 42, when the fixing shaft 5 rotates, the pointer 42 is driven to rotate, which facilitates calculation of an impact structure, the other end of the fixing shaft 5 is rotatably connected to a front surface of the L-shaped plate 3, a fixing rod 6 is rotatably connected to an outer surface of the fixing shaft 6, a fixing cylinder 7 is disposed at one side of the fixing shaft 6, a fixing cylinder 7 is disposed by embedding the sliding rod 8, a sliding rod 8 is slidably mounted to a sliding rod 7, a sliding rod 7 is disposed at a side of a sliding rod 7, a sliding rod 32, a sliding rod 7 is disposed on a side of a sliding rod 21, a sliding rod 21-adjustable screw spindle, a screw spindle 21 is disposed on a screw spindle, a screw spindle 21 is disposed on a screw spindle, a screw spindle 21, a screw spindle 21 is disposed on a screw spindle, a screw spindle 21, a screw spindle 21 spindle, a screw spindle 21 spindle, a screw spindle is disposed on a screw spindle, a screw spindle 21 spindle, a screw spindle, a spindle 21 spindle, a spindle 21 spindle, a screw spindle 21 spindle, a spindle 21 spindle, a screw spindle 21 spindle, a spindle is disposed on a spindle, a screw spindle, a screw spindle, a screw spindle.

When the simple support device is used, firstly, the turntable 151 is rotated, the turntable 151 drives the rotating rod 15 to rotate, the rotating rod 15 drives the worm wheel 16 to rotate, the worm wheel 16 is meshed with the spiral teeth 181, the worm wheel 16 drives the spiral teeth 181 to rotate when rotating, the spiral teeth 181 drive the limiting shaft 18 to rotate, the limiting shaft 18 is provided with the threads 182, and the outer surface of the limiting shaft 18 is sleeved with the sliding block 183 matched with the threads 182, so that the sliding block 183 moves on the limiting shaft 18 when the limiting shaft 18 rotates, the sliding block 183 drives the sliding shaft 13 to move, the sliding shaft 13 drives the clamping plate 14 to move, then the simple support beam is placed between the grooves 12 of the two supports 11, then the turntable 151 is continuously rotated to drive the clamping plate 14 to move, the clamping plate 14 is fixed, the anti-skid block 141 on the clamping plate 14 can play an anti-skid role, then the impact hammer 81 is pulled to a certain angle, the fixed shaft 5 is driven to rotate when the impact hammer 81 rotates, the fixed shaft 5 drives the fixed rod 51 to rotate, the fixed rod 51 to drive the pointer 42 to rotate, the pointer 42 can indicate the value on the dial 41, the value, the impact hammer 81 can be conveniently calculated, the impact hammer 81, the impact hammer can be adjusted, the upright plate can be adjusted, the upright height of the cylinder 357 can be adjusted once again, the simple support plate 71, the cylinder can be adjusted, the cylinder 71, the cylinder can be adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simply supported beam impact testing machine, includes base (1), its characterized in that the last perpendicular surface of base (1) is connected with riser (2), the upper surface embedding slidable mounting of riser (2) has L shaped plate (3), the top front surface of L shaped plate (3) is provided with limiting plate (4), the rear surface level of limiting plate (4) is rotated and is connected with fixed axle (5), the other end of fixed axle (5) and the front surface of L shaped plate (3) rotate to be connected, and the surface of fixed axle (5) cup joints and is provided with fixed block (6), one side of fixed block (6) is provided with solid fixed cylinder (7), the one end embedding slidable mounting of solid fixed cylinder (7) has slide bar (8), the top both sides of L shaped plate (3) and the both sides of riser (2) all are provided with protruding piece (9), two be connected with cylinder (10) between protruding piece (9) perpendicularly, the upper surface of base (1) is close to the place symmetry of the place ahead position department of riser (2) and is provided with two supports (11), the upper surface of support (11) is all seted up recess (12), the lower extreme position of support (15) is connected with the inside rotation matrix (17), and is connected with the bottom spindle (17) of support (15), and is connected with the bottom spindle (17) and is located the fixed cylinder (15) the rotation axis (15) the rotation of the inside of support (15) and is connected with the bottom spindle (15).

2. The simple beam impact tester of claim 1, characterized in that: the sliding rod (8) is fixedly connected with the fixed cylinder (7) through a bolt (71), an impact hammer (81) is fixedly connected to one end of the sliding rod (8), and a graduated scale (82) is arranged on the outer surface of the sliding rod (8).

3. The simple beam impact tester of claim 1, characterized in that: the utility model discloses a pointer instrument, including limiting plate (4), the front surface fixed mounting of limiting plate (4) has calibrated scale (41), the front surface intermediate position department of calibrated scale (41) runs through to rotate and installs pointer (42), the one end of fixed axle (5) is provided with dead lever (51), the other end of dead lever (51) pass the rear surface of limiting plate (4) and with the one end fixed connection of pointer (42).

4. The simple beam impact tester of claim 1, characterized in that: the outer surface of the air cylinder (10) is symmetrically sleeved with a limiting block (1001), and one side of the limiting block (1001) is fixedly connected with the side face of the vertical plate (2).

5. The simple beam impact tester of claim 1, characterized in that: the position between the two supports (11) corresponds to the impact hammer (81).

6. The simple beam impact tester of claim 1, characterized in that: and anti-skidding blocks (141) are uniformly arranged on one side surface of the clamping plate (14), and the anti-skidding blocks (141) are alloy steel components.

7. The simple beam impact tester of claim 1, characterized in that: the outer surface of one end of each of the two limiting shafts (18) is provided with a spiral tooth (181) matched with the worm wheel (16), and the spiral teeth (181) and the worm wheel (16) are meshed.

8. The simple beam impact tester of claim 7, wherein: the outer surface of the two limiting shafts (18) is provided with threads (182) at positions close to one side of the spiral teeth (181), the outer surface of the limiting shaft (18) is provided with a sliding block (183) matched with the threads (182) in a sleeved mode, and the other end of the sliding shaft (13) is fixedly connected with one side face of the sliding block (183).