CN219625259U - Concrete testing arrangement that shocks resistance - Google Patents

Abstract

The utility model relates to the technical field of concrete impact resistance testing, and discloses a concrete impact resistance testing device which comprises a test bench, wherein a supporting frame is fixedly arranged at the top of the test bench, a positioning cylinder is fixedly arranged at the axle center of the supporting frame, a post rod is connected inside the positioning cylinder in a sliding manner, an impact hammer is fixedly arranged at the bottom end of the post rod, a limiting ring is welded at the bottom of the inner side wall of the positioning cylinder, and a limiting plate is welded at the bottom end of the outer side wall of the post rod. According to the utility model, the motor drives the driving gear to pass through the communicating groove to engage with the toothed plate to rotate, the toothed plate drives the post rod to move upwards along the positioning cylinder, at the moment, the post rod drives the limiting plate to be compressed by the limiting plate under the action of the limiting ring in the process of moving upwards along the positioning groove, and when the driving gear moves out from the inside of the communicating groove, the post rod drives the impact hammer to perform impact resistance test on concrete under the action of the spring and the limiting plate, so that the structure is novel, the design is reasonable, and the practicability is strong.

Description

Concrete testing arrangement that shocks resistance

Technical Field

The utility model relates to the technical field of concrete impact resistance testing, in particular to a concrete impact resistance testing device.

Background

The concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing with water, sand and stones, doping chemical additives and mineral admixtures when necessary, mixing according to a proper proportion, uniformly stirring, compacting, forming, curing and hardening; the impact resistance of the concrete is an important index for measuring the mechanical property of the concrete, reflects the characteristics of the internal structure, the material composition and the like of the concrete, and has important practical value in engineering application.

Through retrieval, chinese patent number CN206540782U discloses a simple drop hammer loading experimental device, which comprises a steel bottom plate, a pressure sensor, lifting support legs, a top plate, an electromagnet box, a drop hammer, a directional pulley, a steel wire rope, a tension sensor and a winch; the height of each lifting supporting leg can be lifted; the electromagnet box is coaxially and fixedly arranged on the lower surface of the top plate, one end of the steel wire rope is wound on the winch, and the winch controls the winding and unwinding of the steel wire rope; the other end of the steel wire rope penetrates out of the center of the top plate and the center of the electromagnet box in sequence after being guided by the directional pulley, and the penetrating-out end of the steel wire rope is fixedly connected with the top of the drop hammer; the middle part of the steel wire rope is provided with a tension sensor capable of testing the tension of the steel wire rope, and the center of the steel bottom plate is provided with a pressure sensor.

At present, when the impact force of concrete is tested, impact balls with different weights are lifted by using a crane through an electromagnet, after the electromagnet is powered off, the impact balls fall to the concrete to finish the impact resistance test, and certain potential safety hazards exist when the impact balls fall freely, and position deviation easily occurs, so that the accuracy of the impact resistance test data of the concrete is reduced. Therefore, there is a need to design a concrete impact resistance testing device to solve the above problems.

Disclosure of Invention

The utility model aims to provide a concrete impact resistance testing device, which solves the problems that in the background technology, a certain potential safety hazard exists when an impact ball falls freely, position deviation easily occurs, and the accuracy of concrete impact resistance testing data is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete testing arrangement that shocks resistance, includes the testboard, the top fixed mounting of testboard has the support frame, and the axle center department of support frame is fixed with the positioning tube, the inside sliding connection of positioning tube has the pole, and the bottom fixed mounting of pole has the jump bit, the bottom welding of positioning tube inside wall has the spacing ring, and the bottom welding of pole lateral wall has the limiting plate, the welding has the spring of cup jointing in the pole outside on the top outer wall of limiting plate, and laminating mutually between the top of spring and the spacing ring, the constant head tank has all been seted up to the bottom of positioning tube both sides inner wall, and limiting plate sliding connection is in the inside of constant head tank.

As a preferable scheme, a guide groove is formed in the outer wall of one side of the post, and a toothed plate is welded in the guide groove.

As the preferable scheme, the spout has been seted up to the one end of support frame top outer wall center department, and the inside sliding connection of spout has the slider, the top of slider is fixed with the mobile station.

As the preferable scheme, one side of mobile station top fixed mounting has the motor, and the output flat key of motor is connected with drive gear, the intercommunication groove has been seted up to one side of positioning tube, and drive gear's one side passes between intercommunication groove and the pinion rack and meshes.

As the preferred scheme, the spacing groove has all been seted up to the center department of spout both sides inner wall, and the both sides of slider have all welded the stopper of sliding connection in spacing inslot, the one end fixed mounting of support frame has first cylinder, and is fixed connection between the output of first cylinder and the mobile station.

As the preferred scheme, the standing groove has been seted up to the center department of testboard top outer wall, and the center department of standing groove both sides inner wall all fixed mounting has the second cylinder, and the output fixed mounting of second cylinder has splint.

As the preferable scheme, the standing groove is close to the guide bar of second cylinder both sides all be provided with sliding connection in the inside of testboard, and be fixed connection between one end and the splint of guide bar.

The utility model has the technical effects and advantages that:

1. through the motor that sets up, the motor drives drive gear and passes intercommunication groove meshing pinion rack and rotate, and the pinion rack drives the pole and upwards moves along the positioning cylinder, and at this moment, the pole drives the limiting plate along the in-process of constant head tank upwards moving, and the spring is compressed by the limiting plate under the effect of spacing ring, and when drive gear shifts out from the inside of intercommunication groove, the pole drives the jump bit under the effect of spring and limiting plate and carries out the test of shocking resistance to concrete, novel structure, reasonable in design, the practicality is strong.

2. Through the first cylinder that sets up, the in-process that first cylinder promoted the mobile station and removed, the slider slides along the spout, and the slider drives the stopper and slides along the spacing groove, fine promotion mobile station drive motor in-process stability and firm.

3. Through the second cylinder that sets up, the second cylinder promotes splint and carries out the centre gripping location to the inside concrete piece of standing groove, and splint in-process that removes can drive the guide bar and slide in the inside of testboard, fine stability and the firm nature when having promoted splint and remove.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present utility model.

Fig. 2 is a schematic diagram of a partially enlarged structure of a mobile station according to the present utility model.

FIG. 3 is a schematic view of the structure of the placement tank of the present utility model.

FIG. 4 is a schematic diagram of a cross-sectional structure of a positioning barrel of the present utility model.

In the figure: 1. a test bench; 2. a support frame; 3. a positioning cylinder; 4. a first cylinder; 5. a post; 6. a percussion hammer; 7. a communication groove; 8. a chute; 9. a limit groove; 10. a slide block; 11. a limiting block; 12. a mobile station; 13. a motor; 14. a drive gear; 15. a guide groove; 16. a placement groove; 17. a clamping plate; 18. a second cylinder; 19. a guide rod; 20. a limiting plate; 21. a spring; 22. a limiting ring; 23. a toothed plate; 24. and a positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a concrete impact resistance testing device as shown in fig. 1-4, which comprises a test bench 1, wherein a support frame 2 is fixedly arranged at the top of the test bench 1, a positioning cylinder 3 is fixedly arranged at the axis of the support frame 2, a post rod 5 is slidably connected in the positioning cylinder 3, an impact hammer 6 is fixedly arranged at the bottom end of the post rod 5, a limiting ring 22 is welded at the bottom of the inner side wall of the positioning cylinder 3, a limiting plate 20 is welded at the bottom end of the outer side wall of the post rod 5, a spring 21 sleeved outside the post rod 5 is welded on the top outer wall of the limiting plate 20, the top end of the spring 21 is attached to the limiting ring 22, positioning grooves 24 are formed in the bottoms of the inner walls at two sides of the positioning cylinder 3, the limiting plate 20 is slidably connected in the positioning grooves 24, a guide groove 15 is formed in the outer wall at one side of the post rod 5, a toothed plate 23 is welded in the guide groove 15, a motor 13 drives a driving gear 14 to rotate through a communication groove 7, the toothed plate 23 drives the 5 to move upwards along the positioning cylinder 3, at the moment, the 5 drives the limiting plate 20 to move upwards along the positioning groove 24, the spring 21 is sheathed outside the post rod 5 under the action of the limiting ring 22, and the action of the limiting plate 22 is compressed by the driving gear 20 under the action of the driving gear 20, and the driving gear 20 is driven by the driving gear 20 to move the driving gear 5 to move towards the post rod 20 from the positioning cylinder 6 to the inside 6 when the positioning plate 6 is in a position corresponding to be in a position of the post rod 6.

In this embodiment, the spout 8 has been seted up to the one end of support frame 2 top outer wall center department, and the inside sliding connection of spout 8 has slider 10, the top of slider 10 is fixed with mobile station 12, one side fixed mounting at mobile station 12 top has motor 13, and motor 13's output flat key is connected with drive gear 14, intercommunication groove 7 has been seted up to one side of a section of thick bamboo 3, and drive gear 14's one side is passed between intercommunication groove 7 and pinion rack 23 and is meshed, spacing groove 9 has all been seted up in the center department of spout 8 both sides inner wall, and slider 10's both sides all welded the stopper 11 of sliding connection in spacing groove 9 inside, the one end fixed mounting of support frame 2 has first cylinder 4, and be fixed connection between the output of first cylinder 4 and the mobile station 12, the in-process that first cylinder 4 promoted mobile station 12 removed, slider 10 slides along spout 8, and slider 10 drives stopper 11 and slides along spacing groove 9, when mobile station 12 drives motor 13 and removes to a section of thick bamboo 3 direction, drive gear 14 passes between intercommunication groove 7 and the pinion rack 23.

In this embodiment, the center department of test bench 1 top outer wall has seted up standing groove 16, and the center department of standing groove 16 both sides inner wall all fixed mounting has second cylinder 18, and the output fixed mounting of second cylinder 18 has splint 17, the both sides that standing groove 16 is close to second cylinder 18 all are provided with sliding connection at the inside guide bar 19 of test bench 1, and be fixed connection between guide bar 19's one end and the splint 17, second cylinder 18 promotes splint 17 to carry out the centre gripping location to the concrete mass of standing groove 16 inside, and splint 17 in-process that removes can drive guide bar 19 and slide in test bench 1's inside, fine stability and the firm when having promoted splint 17 and removed.

The working principle of the utility model is as follows: the utility model relates to a concrete impact resistance testing device, a tester puts impact resistance testing concrete blocks into a placing groove 16, then starts a second cylinder 18, the second cylinder 18 pushes a clamping plate 17 to clamp and position the concrete blocks in the placing groove 16, the clamping plate 17 can drive a guide rod 19 to slide in the testing table 1 in the moving process of the clamping plate 17, stability and firmness of the clamping plate 17 are well improved, then starts a first cylinder 4, the first cylinder 4 pushes a moving table 12 to move, a sliding block 10 slides along a sliding groove 8, the sliding block 10 drives a limiting block 11 to slide along a limiting groove 9, when the moving table 12 drives a motor 13 to move towards a positioning cylinder 3, a driving gear 14 penetrates through a space between a communicating groove 7 and a toothed plate 23 to be meshed, the motor 13 drives the driving gear 14 to penetrate through the communicating groove 7 to be meshed with a toothed plate 23, the toothed plate 23 drives a post 5 to move upwards along the positioning cylinder 3, at the moment, the limiting plate 20 is driven by the 5 to move upwards along the positioning groove 24, a spring 21 is compressed by the limiting plate 20 under the action of a limiting ring 22, and when the driving gear 14 drives the driving gear 13 to move from the inside the communicating groove 3 to the positioning table 3, and the driving rod 20 drives the driving rod to move the driving rod 20 to move down the concrete under the action of the impact hammer under the action of the spring 20.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a concrete testing arrangement that shocks resistance, includes testboard (1), its characterized in that: the top fixed mounting of testboard (1) has support frame (2), and the axle center department of support frame (2) is fixed with positioning tube (3), the inside sliding connection of positioning tube (3) has pole (5), and the bottom fixed mounting of pole (5) has jump bit (6), the bottom welding of positioning tube (3) inside wall has spacing ring (22), and the bottom welding of pole (5) lateral wall has limiting plate (20), the welding has cup joint spring (21) outside pole (5) on the top outer wall of limiting plate (20), and laminating between the top of spring (21) and spacing ring (22), constant head tank (24) have all been seted up to the bottom of positioning tube (3) both sides inner wall, and limiting plate (20) sliding connection is in the inside of constant head tank (24).

2. The concrete impact resistance testing device according to claim 1, wherein: the outer wall of one side of the post rod (5) is provided with a guide groove (15), and a toothed plate (23) is welded inside the guide groove (15).

3. The concrete impact resistance testing device according to claim 1, wherein: a sliding groove (8) is formed in one end of the center of the outer wall of the top of the supporting frame (2), a sliding block (10) is connected inside the sliding groove (8) in a sliding mode, and a moving table (12) is fixed at the top of the sliding block (10).

4. A concrete impact resistance testing device according to claim 3, wherein: one side at mobile station (12) top fixed mounting has motor (13), and the output flat key of motor (13) is connected with drive gear (14), intercommunication groove (7) have been seted up to one side of positioning cylinder (3), and the one side of drive gear (14) is passed between intercommunication groove (7) and pinion rack (23) and is meshed.

5. A concrete impact resistance testing device according to claim 3, wherein: limiting grooves (9) are formed in the centers of the inner walls of the two sides of the sliding groove (8), limiting blocks (11) which are connected inside the limiting grooves (9) in a sliding mode are welded on the two sides of the sliding block (10), a first air cylinder (4) is fixedly installed at one end of the supporting frame (2), and the output end of the first air cylinder (4) is fixedly connected with the mobile station (12).

6. The concrete impact resistance testing device according to claim 1, wherein: a placing groove (16) is formed in the center of the outer wall of the top of the test bench (1), second air cylinders (18) are fixedly arranged in the centers of the inner walls of the two sides of the placing groove (16), and clamping plates (17) are fixedly arranged at the output ends of the second air cylinders (18).

7. The concrete impact resistance testing device according to claim 6, wherein: the two sides of the placing groove (16) close to the second air cylinder (18) are respectively provided with a guide rod (19) which is in sliding connection with the inside of the test bench (1), and one end of the guide rod (19) is fixedly connected with the clamping plate (17).