CN211235260U

CN211235260U - Concrete strength testing machine

Info

Publication number: CN211235260U
Application number: CN201921765294.1U
Authority: CN
Inventors: 宋强华
Original assignee: Hebei Canghao Concrete Co ltd
Current assignee: Hebei Canghao Concrete Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-11
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to a concrete test technical field, and a concrete strength test machine is disclosed, including the framework, the upper portion fixed mounting of framework has the roof, and the middle part fixed mounting of roof has positive reverse motor, and the top fixed mounting of positive reverse motor has the motor shaft, and the upper portion of motor shaft is connected with the belt, and both sides fixed mounting has the dwang about the roof, and the bottom fixed mounting of roof has two stoppers, the middle part fixedly connected with pressure plate of dwang, and the bottom fixed mounting of pressure plate both sides has the protection casing, and the bottom fixed mounting of framework has the base. This concrete strength test machine reaches the purpose of separation flyrock through being provided with the protection box on the base, and the broken stone that causes very easily of concrete resistance to compression splashes, and the equipment before the improvement does not have the device of any protection to cause the injury to operating personnel very easily, is provided with now that the protection box can be obvious blocks the flyrock and gets off, guarantees that operating personnel is carrying out experimental safety.

Description

Concrete strength testing machine

Technical Field

The utility model relates to a concrete test technical field specifically is a concrete strength testing machine.

Background

Concrete is called concrete for short, and refers to a general name of engineering composite materials formed by cementing aggregates into a whole by cementing materials, the term concrete generally refers to cement concrete which is obtained by using cement as a cementing material, mixing sand and stone as aggregates with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is also called common concrete.

Concrete strength detection instrument on the present market is various, and most detection instrument use troublesome with high costs, and patent CN208833597U has just proposed a simple effectual concrete strength detection instrument, and convenient to use manufacturing cost is also far less than market product price, very worth wideling popularize in market, but some minor problems still exist inevitably in this equipment: firstly, concrete strength tests certainly damage concrete, and sometimes broken stones may fly out to cause injury to operators; this equipment utilizes the screw thread control on the dwang to reciprocate, just needs to maintain often in order to guarantee the nimble rotation of pressure plate, has very easily when the concrete is broken in the piece falls into the screw thread, neither makes things convenient for the operation of machine, also can cause the injury to the machine simultaneously.

SUMMERY OF THE UTILITY MODEL

Not enough to current concrete strength test machine, the utility model provides a concrete strength test machine possesses the advantage that the security performance is higher, long service life, has solved the problem that above-mentioned technical background proposed.

The utility model provides a following technical scheme: a concrete strength testing machine comprises a frame body, wherein a top plate is fixedly arranged at the upper part of the frame body, a positive and negative rotation motor is fixedly arranged in the middle of the top plate, a motor shaft is fixedly arranged at the top of the positive and negative rotation motor, the upper part of the motor shaft is connected with a belt, the left side and the right side of the top plate are fixedly provided with rotating rods, two limit blocks are fixedly arranged at the bottom of the top plate, a pressure plate is fixedly connected at the middle part of the rotating rod, the bottoms of the two sides of the pressure plate are fixedly provided with protective covers, the bottom of the frame body is fixedly provided with a base, the upper part of the base is fixedly provided with a stress platform, two sides of the surface of the stress platform are provided with rotating holes, and the middle part fixed mounting on stress table surface has three pressure measurement appearance, the upper portion fixed mounting of base has the protection box, the right side fixed mounting of framework has the display screen.

Carefully, the rotating rod can control the lifting of the pressure plate through rotation.

Carefully, the pressure detector can determine a plurality of data of the concrete strength, and the display screen can display the data.

Carefully selecting, the positive and negative rotating motor can change the rotating direction according to the manual requirement.

Preferably, the protective cover is made of foldable flexible material which can contract and elongate by itself under external pressure.

And carefully selecting, wherein the surface of the rotating rod is provided with threads which are matched with the connecting port of the pressure plate.

With current concrete strength test machine contrast, the utility model discloses possess following beneficial effect:

1. this concrete strength test machine reaches the purpose of separation flyrock through being provided with the protection box on the base, and the broken stone that causes very easily of concrete resistance to compression splashes, and the equipment before the improvement does not have the device of any protection to cause the injury to operating personnel very easily, is provided with now that the protection box can be obvious blocks the flyrock and gets off, guarantees that operating personnel is carrying out experimental safety.

2. This concrete strength test machine, reach the protection to the dwang through being provided with the protection casing on the pressure plate, this machine relies on the screw thread on the dwang to make the pressure plate can reciprocate, can not block the shell in order to guarantee the pressure plate when removing, consequently operating personnel need often clean the fat liquoring to the dwang and maintain, the concrete must have dust and rubble in the thread groove very easily in broken, very be unfavorable for the operation of machine like this and use, be provided with the protection casing that can stretch out and draw back automatically, this protection casing can be according to the altitude mixture control of pressure plate, consequently, can cover the dwang all the time, make the dwang not receive the influence of dust and rubble, machine work efficiency has been guaranteed greatly, also made things convenient for the follow-up cleanness of operation workman.

Drawings

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

fig. 2 is a schematic top view of the structure of the present invention.

In the figure: 1. a frame body; 2. a top plate; 3. a positive and negative rotation motor; 4. a motor shaft; 5. a belt; 6. rotating the rod; 7. a limiting block; 8. a pressure plate; 9. a protective cover; 10. a base; 11. a stress platform; 12. rotating the hole; 13. a pressure detector; 14. a protective case; 15. a display screen.

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 all belong to the protection scope of the present invention.

Referring to fig. 1-2, a concrete strength testing machine comprises a frame body 1, a top plate 2 is fixedly installed on the upper portion of the frame body 1, a forward and reverse motor 3 is fixedly installed in the middle of the top plate 2, a motor shaft 4 is fixedly installed on the top of the forward and reverse motor 3, a belt 5 is connected on the upper portion of the motor shaft 4, rotating rods 6 are fixedly installed on the left and right sides of the top plate 2, two limit blocks 7 are fixedly installed on the bottom of the top plate 2, a pressure plate 8 is fixedly connected on the middle of the rotating rods 6, a protective cover 9 is fixedly installed on the bottom of the two sides of the pressure plate 8, a base 10 is fixedly installed on the bottom of the frame body 1, a stress platform 11 is fixedly installed on the, and the middle part on the surface of the stress platform 11 is fixedly provided with three pressure detectors 13, the upper part of the base 10 is fixedly provided with a protective box 14, and the right side of the frame body 1 is fixedly provided with a display screen 15.

Wherein, dwang 6 can be through the lift of rotation control pressure plate 8, what adopt is threaded connection's mode, and simple structure facilitates the use, and manufacturing cost is less than traditional pressurization instrument far away.

Wherein, pressure measurement appearance 13 can survey a plurality of data of concrete intensity, and display screen 15 can show these data, and pressure measurement appearance 13 can detect the change curve of concrete ultimate compressive strength and follow-up compressive strength, and these data all can be reflected on display screen 15 finally.

Wherein, the positive and negative motor 3 can change the rotation direction according to the needs of people, and ordinary motor can only rotate by one direction, and this pressure equipment is very troublesome like this to use, sets up the upper and lower of the control pressure plate 8 that positive and negative motor 3 can be quick simple.

Wherein, protection casing 9 belongs to folding flexible material and can oneself contract under external pressure and elongate, is provided with protection casing 9 and is the screw thread department that can prevent that broken concrete residue from falling to dwang 6 when carrying out the broken experiment of concrete, is unfavorable for pressure plate 8's lift, prevents that the machine from appearing damaging.

Wherein, the screw thread is seted up on the surface of dwang 6 and the connection mouth department of pressure plate 8 matches and suits, adopts the simple easy operation of threaded connected mode, and the mode of screw thread simultaneously rotates stably, and whole pressure plate 8 can keep balance all the time at the pressurized in-process, ensures the exactness of detection data.

The working principle is as follows: when in use, a concrete block of which the strength needs to be detected is placed on the stress platform 11, the forward and reverse rotation motor 3 is started to rotate in the forward direction, the forward and reverse rotation motor 3 drives the belt 5, the belt 5 drives the rotating rod 6 to rotate, the pressure plate 8 is driven by the rotating rod 6 to slowly move downwards to gradually provide extrusion force for the concrete block, and meanwhile, the protective cover 9 is extruded along with the extrusion of the pressure plate 8, when the pressure exerted by the pressure plate 8 reaches a certain degree, the concrete is crushed, the crushed concrete is likely to have broken stone splashing, the protective box 14 on the base 10 can effectively block the broken stones (prevent the broken stones from causing injury to operators), when the machine completes the detection of the concrete strength, the pressure testers 13 at the three positions display different data on the display screen 15, and then the median value is obtained to achieve the reliability of the monitored data.

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. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

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 concrete strength test machine, includes framework (1), its characterized in that: the upper portion of the frame body (1) is fixedly provided with a top plate (2), the middle portion of the top plate (2) is fixedly provided with a forward and reverse rotating motor (3), the top of the forward and reverse rotating motor (3) is fixedly provided with a motor shaft (4), the upper portion of the motor shaft (4) is connected with a belt (5), the left side and the right side of the top plate (2) are fixedly provided with rotating rods (6), the bottom of the top plate (2) is fixedly provided with two limiting blocks (7), the middle portion of the rotating rods (6) is fixedly connected with a pressure plate (8), the bottom of the two sides of the pressure plate (8) is fixedly provided with a protective cover (9), the bottom of the frame body (1) is fixedly provided with a base (10), the upper portion of the base (10) is fixedly provided with a stress platform (11), rotating holes (12) are formed in the two sides of the surface of the stress platform, the upper portion fixed mounting of base (10) has protection box (14), the right side fixed mounting of framework (1) has display screen (15).

2. A concrete strength testing machine according to claim 1, wherein: the rotating rod (6) can control the lifting of the pressure plate (8) through rotation.

3. A concrete strength testing machine according to claim 1, wherein: the pressure detector (13) can measure a plurality of data of concrete strength, and the display screen (15) can display the data.

4. A concrete strength testing machine according to claim 1, wherein: the positive and negative rotation motor (3) can change the rotation direction according to the manual requirement.

5. A concrete strength testing machine according to claim 1, wherein: the protective cover (9) is made of foldable flexible materials and can contract and elongate by itself under external pressure.

6. A concrete strength testing machine according to claim 1, wherein: the surface of the rotating rod (6) is provided with threads which are matched with the connecting port of the pressure plate (8).