CN220231319U

CN220231319U - Concrete block strength testing device

Info

Publication number: CN220231319U
Application number: CN202223171482.6U
Authority: CN
Inventors: 陈帮贤
Original assignee: Hubei Guoao Elevator Co ltd
Current assignee: Hubei Guoao Elevator Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-12-22
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a concrete block strength testing device which comprises a bottom plate, wherein the inside of the bottom plate is hollow, a clamping mechanism is arranged in the bottom plate, two electric sliding rails are arranged at left and right intervals at the top end of the bottom plate, the top end of a knocking rod is fixedly connected with a contact plate, the contact plate is connected with a connecting transverse plate through a plurality of elastic connecting pieces, a pushing mechanism is arranged above the contact plate, and the pushing mechanism is connected with a connecting frame and pushes the contact plate downwards discontinuously. This concrete piece intensity testing device carries out the centre gripping with the concrete piece back through fixed establishment, starts driving motor and drives the live-rollers and rotate for eccentric wheel on the live-rollers constantly promotes to strike the pole and down moves and strike the concrete piece, and the concrete piece drives electronic slide rail back-and-forth movement when beating, makes to strike the pole and strikes a plurality of positions of concrete, so that more comprehensive convenient detects concrete intensity.

Description

Concrete block strength testing device

Technical Field

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

Background

The concrete is an artificial stone which is prepared by taking cement as a main cementing material, mixing with water, sand and stones, doping chemical additives and mineral additives if necessary, mixing according to a proper proportion, uniformly stirring, compacting, forming, curing and hardening, and is a building material which is necessary for a building site, and after the building by the concrete is completed, the strength of a concrete sample block is detected by a concrete strength testing device

However, in the existing concrete strength test, the weight falls to make free falling movement to the concrete block so as to test the strength of the concrete block after molding, the weight only can smash one point of the concrete block when smashing to the concrete block, and when testing a plurality of points of the concrete block, the weight or the position of the concrete needs to be manually moved so as to change the contact point between the concrete block and the weight, so that the detection is inconvenient, and the concrete strength test device is provided to solve the problems.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete block intensity testing arrangement, includes the bottom plate, the inside of bottom plate is cavity, just the inside of bottom plate is provided with fixture, the interval is provided with two electronic slide rails about the top of bottom plate, two electronic slide rail's slip end up and be connected with the link, set up along the left and right sides direction on the link and connect the diaphragm, a plurality of movable holes have been seted up to the diaphragm equipartition, all activity is provided with the rapping bar in a plurality of movable holes, the rapping bar passes through the movable hole is vertical runs through connect the diaphragm, the rapping bar bottom is protruding and towards the bottom plate, rapping bar top fixedly connected with contact plate, the contact plate with connect through a plurality of elastic connection spare between the diaphragm, the top of contact plate is provided with pushing mechanism, pushing mechanism with the link is connected to the downward discontinuity promotes the contact plate.

Further, the elastic connecting piece is telescopic link and spring, connect the diaphragm with connect through the telescopic link between the contact plate, the spring suit is fixed on the telescopic link, the bottom of spring with connect the diaphragm fixed, the top with the telescopic link flexible end is fixed.

Further, pushing mechanism includes the live-rollers, parallel arrangement about live-rollers and the connection diaphragm, both ends all pass through the bearing with the link rotates to be connected, the cover is fixed with on the live-rollers a plurality of quantity with the eccentric wheel that the contact plate equals, and corresponds about one by one, the one end of live-rollers runs through the link and with driving motor output shaft coaxial coupling, driving motor sets up on the link.

Further, fixture includes the bi-directional threaded rod that sets up along left and right directions, bi-directional threaded rod sets up in the bottom plate, and control both ends all through the bearing with the bottom plate inner wall rotates to be connected, the spacing groove has been seted up on the top of bottom plate, the thread bush is equipped with two screw thread connecting blocks on the bi-directional threaded rod, the screw thread connecting block with spacing groove sliding connection, and pass through the spacing groove runs through and extends to the bottom plate top, the top fixed connection splint of screw thread connecting block, the right-hand member of bi-directional threaded rod runs through and extends to outside the bottom plate to coaxial coupling has servo motor, servo motor fixes on the bottom plate.

Further, a rubber pad is arranged at one end of each clamping plate close to the other clamping plates.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this concrete piece intensity testing device carries out the centre gripping with the concrete piece back through fixed establishment, starts driving motor and drives the live-rollers and rotate for eccentric wheel on the live-rollers constantly promotes to strike the pole and down moves and strike the concrete piece, and the concrete piece drives electronic slide rail back-and-forth movement when beating, makes to strike the pole and strikes a plurality of positions of concrete, so that more comprehensive convenient detects concrete intensity.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a front view of the structure of the present utility model.

In the figure: 1. a bottom plate; 2. an electric slide rail; 3. a connecting frame; 4. a connecting transverse plate; 5. a contact plate; 6. an elastic connection member; 7. a rotating roller; 8. a driving motor; 9. an eccentric wheel; 10. a movable hole; 11. a two-way threaded rod; 12. a threaded connecting block; 13. a clamping plate; 14. a servo motor; 15. the rod is knocked.

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.

Referring to fig. 1-2, the strength testing device for concrete blocks in this embodiment includes a bottom plate 1, the inside of the bottom plate 1 is hollow, a clamping mechanism is disposed in the bottom plate 1, two electric sliding rails 2 are disposed at left and right intervals on the top end of the bottom plate 1, sliding ends of the two electric sliding rails 2 face upwards and are connected with a connecting frame 3, a connecting transverse plate 4 is disposed on the connecting frame 3 along left and right directions, a plurality of movable holes 10 are uniformly distributed on the connecting transverse plate 4, knocking rods 15 are movably disposed in the plurality of movable holes 10, the knocking rods 15 vertically penetrate through the connecting transverse plate 4 through the movable holes 10, the bottom ends of the knocking rods 15 are protruded and face the bottom plate 1, a contact plate 5 is fixedly connected to the top end of the knocking rods 15, the contact plate 5 is connected with the connecting transverse plate 4 through a plurality of elastic connecting pieces 6, a pushing mechanism is disposed above the contact plate 5, and is connected with the connecting frame 3 and pushes the contact plate 5 in a downward intermittent manner.

In this embodiment, the clamping mechanism is started to clamp the concrete block, then the pushing mechanism is started, so that the contact plate 5 is pushed downwards by the pushing mechanism, the elastic connecting piece 6 is compressed and the knocking rod 15 is driven to move downwards to contact the surface of the concrete block when the contact plate 5 is pushed downwards, the surface of the concrete block is knocked, after one position of the concrete block is knocked, the electric sliding rail 2 is used for moving back and forth with the connecting frame 3, and the other position of the concrete block is knocked, so that the strength of the concrete block is detected.

Preferably, as another embodiment in this embodiment, the elastic connection piece 6 is a telescopic rod and a spring, the connection transverse plate 4 is connected with the contact plate 5 through the telescopic rod, the spring is sleeved and fixed on the telescopic rod, the bottom end of the spring is fixed with the connection transverse plate 4, and the top end of the spring is fixed with the telescopic end of the telescopic rod.

In this embodiment, the contact plate 5 compresses the telescopic rod and the spring when receiving downward pressure, and when the contact plate 5 loses downward pressure, the spring and the telescopic rod return, so that the striking rod 15 can continuously move up and down to strike the concrete block.

Preferably, as another embodiment in this embodiment, the pushing mechanism includes a rotating roller 7, the rotating roller 7 is disposed in parallel with the connecting transverse plate 4 up and down, both ends of the rotating roller 7 are all rotationally connected with the connecting frame 3 through bearings, a plurality of eccentric wheels 9 corresponding to the contact plates 5 up and down are fixedly sleeved on the rotating roller 7, one end of the rotating roller 7 penetrates through the connecting frame 3 and is coaxially connected with an output shaft of the driving motor 8, and the driving motor 8 is disposed on the connecting frame 3.

In this embodiment, the driving motor 8 is started to drive the rotating roller 7 to rotate, the rotating roller 7 drives the eccentric wheel 9 to rotate in the rotation process, so that the eccentric wheel 9 contacts the contact plate 5 and presses the contact plate 5 downwards, the eccentric wheel 9 continuously changes positions in the rotation process, so that the contact plate 5 is reset through the spring and the telescopic rod after moving downwards, and the knocking rod 15 is driven to move up and down.

Preferably, as another embodiment in this embodiment, the fixture includes a bidirectional threaded rod 11 disposed along a left-right direction, the bidirectional threaded rod 11 is specifically a threaded rod with two external threads with the same length, which is not repeated for the prior art, the bidirectional threaded rod 11 with opposite thread directions is disposed in the bottom plate 1, and the left-right ends of the bidirectional threaded rod 11 are rotationally connected with the inner wall of the bottom plate 1 through bearings, a limit groove is provided at the top end of the bottom plate 1, two threaded connecting blocks 12 are sleeved on the bidirectional threaded rod 11, the threaded connecting blocks 12 are slidably connected with the limit groove, and penetrate and extend to the top end of the bottom plate 1 through the limit groove, the top end of the threaded connecting block 12 is fixedly connected with a clamping plate 13, the right end of the bidirectional threaded rod 11 penetrates and extends to the outside of the bottom plate 1, and is coaxially connected with a servo motor 14, and the servo motor 14 is fixed on the bottom plate 1.

In this embodiment, the servo motor 14 is started to drive the bidirectional threaded rod 11 to rotate, so that the two threaded connection blocks 12 move relatively through the limit of the limit groove, and drive the clamping plate 13 connected with the threaded connection blocks to clamp the concrete blocks.

Preferably, as another embodiment of the present utility model, two clamping plates 13 are provided with rubber pads at the adjacent ends.

In this embodiment, the rubber pad can further submit the frictional force between the clamping plate 13 and the concrete block for the clamping effect is better.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a concrete block intensity testing arrangement, includes bottom plate (1), its characterized in that: the inside of bottom plate (1) is cavity, just the inside of bottom plate (1) is provided with fixture, interval is provided with two electronic slide rail (2) about the top of bottom plate (1), two electronic slide rail (2)'s sliding end up and be connected with link (3), link (3) are gone up along controlling the direction and are set up and connect diaphragm (4), a plurality of movable holes (10) have been seted up to connection diaphragm (4) equipartition, all activity in a plurality of movable holes (10) is provided with and beats pole (15), beat pole (15) through movable hole (10) are vertical to be run through connect diaphragm (4), beat pole (15) bottom arch and orientation bottom plate (1), beat pole (15) top fixedly connected with contact plate (5), contact plate (5) with connect through a plurality of elastic connection spare (6) between diaphragm (4), the top of contact plate (5) is provided with pushing mechanism with link (3) are interrupted downwards to contact plate (5).

2. A concrete block strength testing apparatus according to claim 1, wherein: the elastic connecting piece (6) is a telescopic rod and a spring, the connecting transverse plate (4) is connected with the contact plate (5) through the telescopic rod, the spring is sleeved and fixed on the telescopic rod, the bottom end of the spring is fixed with the connecting transverse plate (4), and the top end of the spring is fixed with the telescopic end of the telescopic rod.

3. A concrete block strength testing apparatus according to claim 1, wherein: the pushing mechanism comprises a rotating roller (7), the rotating roller (7) is arranged in parallel with the connecting transverse plate (4) up and down, the left end and the right end of the rotating roller (7) are rotationally connected with the connecting frame (3) through bearings, a plurality of eccentric wheels (9) which are equal to the contact plate (5) in number and correspond to each other up and down are sleeved on the rotating roller (7), one end of the rotating roller (7) penetrates through the connecting frame (3) and is coaxially connected with an output shaft of the driving motor (8), and the driving motor (8) is arranged on the connecting frame (3).

4. A concrete block strength testing apparatus according to claim 1, wherein: the clamping mechanism comprises a bidirectional threaded rod (11) arranged in the left-right direction, the bidirectional threaded rod (11) is arranged in a bottom plate (1), the left end and the right end of the bidirectional threaded rod are both connected with the inner wall of the bottom plate (1) in a rotating mode through bearings, a limiting groove is formed in the top end of the bottom plate (1), two threaded connecting blocks (12) are sleeved on the bidirectional threaded rod (11) in a threaded mode, the threaded connecting blocks (12) are slidably connected with the limiting groove, the threaded connecting blocks penetrate through the limiting groove and extend to the top end of the bottom plate (1), a clamping plate (13) is fixedly connected to the top end of the threaded connecting blocks (12), the right end of the bidirectional threaded rod (11) penetrates through and extends to the outside of the bottom plate (1), a servo motor (14) is coaxially connected with the servo motor (14), and the servo motor (14) is fixed on the bottom plate (1).

5. The concrete block strength testing apparatus of claim 4, wherein: rubber pads are arranged at one ends of the two clamping plates (13) close to each other.