CN211477887U

CN211477887U - Concrete compressive strength detection device

Info

Publication number: CN211477887U
Application number: CN201922103791.1U
Authority: CN
Inventors: 张�浩
Original assignee: Shandong Luzhu Building Materials Co Ltd
Current assignee: Shandong Luzhu Building Materials Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-11
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a resistance to compression check out test set technical field just discloses a concrete compressive strength detection device, including the base, the equal fixedly connected with fixed block in both sides at base upper end middle part is provided with the bearing box in the middle of two workstations, and base upper end fixedly connected with is located the workstation in two fixed block outsides. This concrete compressive strength detection device, cooperation slide rail through servo motor's positive and negative commentaries on classics, can remove the regulation about screw nut slider, thereby realize removing of biasing means, make biasing means can all carry out the compression test to the concrete slab's of counter pressure test each department, through analyzing each group of data, obtain the accurate data of this concrete slab compressive capacity, realize accurate test, this screw drive mechanism sets up the upper portion at this check out test set simultaneously, and servo motor installs in the outside, the inside space of check out test set has not only been greatly saved, and the servo motor heat dissipation of being convenient for, improve its work efficiency.

Description

Concrete compressive strength detection device

Technical Field

The utility model relates to a resistance to compression check out test set technical field specifically is a concrete compressive strength detection device.

Background

With the continuous development of science and technology, the capital construction project of China is also rapidly improved, various concretes cannot be separated everywhere in the process of capital construction, the application of commercial concretes is very wide in the current building project, the commercial concretes cannot be separated no matter in the structure of reinforced commercial concretes or in the structure of brick-concrete structures, and the quality of the commercial concretes not only has great influence on the safety of the building structure but also on the manufacturing cost of the building project, so the quality detection of the commercial concretes is one of the important links in the whole detection work, and the compressive strength of the commercial concretes is an important performance parameter.

At present, concrete compression strength detection modes are various, but the existing concrete compression mechanical equipment generally has some defects in the use process; firstly, some detecting instruments adopt a large number of hydraulic cylinders as main components of a fixing device, the hydraulic cylinders are often large in size, not only occupy a large amount of space in equipment, but also greatly limit the range of motion of the fixing device, large or small concrete slabs are difficult to fix well, secondly, most of detecting equipment applying extrusion force is often fixed in the middle of the equipment, and the equipment can only perform compression resistance test on the middle of the concrete slab to be tested, the compression resistance data are limited, the data are inaccurate, and the operation of moving the edge of the concrete slab to the middle to perform the test is very troublesome by moving the concrete slab, which is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to current concrete compressive resistance equipment in the use, the utility model provides a concrete compressive strength detection device possesses the advantage that weight is less, rational in infrastructure, easily clearance, has solved the problem among the above-mentioned background art.

The utility model provides a following technical scheme: a concrete compressive strength detection device comprises a base, wherein both sides of the middle part of the upper end of the base are fixedly connected with fixed blocks, a bearing box is arranged between the two fixed blocks, the upper end of the base is fixedly connected with a workbench which is positioned outside the two fixed blocks, both sides of the upper end of the base are fixedly connected with supporting plates, the middle parts of the two supporting plates are provided with sliding holes, the bottoms of the outer sides of the two supporting plates are fixedly provided with rotating motors, the output shaft end of each rotating motor is fixedly connected with a first lead screw, the first lead screw is in threaded connection with a first lead screw nut, one side of the first lead screw nut is fixedly connected with a connecting rod, the connecting rod is movably sleeved with the sliding hole, the other end of the connecting rod is fixedly connected with a second lead screw nut, the second lead screw nut is in threaded connection with a threaded, the upper portion fixed mounting in the backup pad outside has servo motor, servo motor's output shaft end fixedly connected with second lead screw, the second lead screw runs through two backup pads, the top activity of second lead screw cup jointed with backup pad fixedly connected with sleeve base, two the upper end fixedly connected with roof of backup pad, the middle part fixedly connected with control panel of roof upper end, the slide rail has been seted up to the bottom of roof, the slide rail activity cup jointed with the lead screw nut slider with second lead screw threaded connection, the bottom fixedly connected with pneumatic cylinder of lead screw nut slider, the bottom fixedly connected with pressure sensor of pneumatic cylinder, the middle part fixedly connected with extrusion piece of pressure sensor bottom.

Carefully, fixing device includes the support frame, the bottom fixedly connected with bottom plate of support frame, the last fixed surface of support frame inner chamber is connected with the pneumatic cylinder, the bottom and the bottom plate fixed connection of pneumatic cylinder, and the output shaft outside of pneumatic cylinder encircles elastic component, the bottom of bottom plate is provided with the rubber cushion.

Carefully selecting, the upper surface of the workbench is provided with a groove, and the two sides of the groove of the workbench are both provided with anti-skidding teeth.

Carefully selecting, one end of the connecting rod is fixedly connected with the first screw nut, one end of the other end of the connecting rod is fixedly connected with the second screw nut, and the width of the connecting rod is matched with the sliding hole.

With current concrete resistance to compression equipment contrast, the utility model discloses possess following beneficial effect:

1. this concrete compressive strength detection device, one end and first screw nut fixed connection through the connecting rod, the other end and second screw nut fixed connection, and the width and the sliding hole looks adaptation of connecting rod, when rotating electrical machines drive first lead screw rotatory, first screw nut can realize reciprocating on first lead screw according to the direction of rotation of motor under the restriction of sliding hole, and drive fixing device and rise and descend, wherein the threaded rod also can finely tune fixing device's height, ensure that fixing device not only can be applicable to the great and less concrete slab of thickness, and can fix it well, ensure fixed effect.

2. This concrete compressive strength detection device, cooperation slide rail through servo motor's positive and negative commentaries on classics, can remove the regulation about screw nut slider, thereby realize removing of biasing means, make biasing means can all carry out the compression test to the concrete slab's of counter pressure test each department, through analyzing each group of data, obtain the accurate data of this concrete slab compressive capacity, realize accurate test, this screw drive mechanism sets up the upper portion at this check out test set simultaneously, and servo motor installs in the outside, the inside space of check out test set has not only been greatly saved, and the servo motor heat dissipation of being convenient for, improve its work efficiency.

Drawings

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

fig. 2 is a schematic side view of the fixing device of the present invention.

In the figure: 1. a base; 2. a fixed block; 3. a receiving box; 4. a work table; 5. a support plate; 6. a slide hole; 7. a rotating electric machine; 8. a first lead screw; 9. a first lead screw nut; 10. a connecting rod; 11. a second lead screw nut; 12. a threaded rod; 13. a fixing device; 1301. a support frame; 1302. a base plate; 1303. a pneumatic cylinder; 1304. an elastic member; 14. a servo motor; 15. a second lead screw; 16. a sleeve base; 17. a top plate; 18. a control panel; 19. a slide rail; 20. a lead screw nut slider; 21. a hydraulic cylinder; 22. a pressure sensor; 23. and extruding the block.

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.

Referring to fig. 1-2, a concrete compressive strength detecting device comprises a base 1, wherein both sides of the middle part of the upper end of the base 1 are fixedly connected with fixed blocks 2, a receiving box 3 is arranged between the two fixed blocks 2, the upper end of the base 1 is fixedly connected with a workbench 4 positioned outside the two fixed blocks 2, both sides of the upper end of the base 1 are fixedly connected with supporting plates 5, the middle parts of the two supporting plates 5 are respectively provided with a sliding hole 6, the bottom parts of the outer sides of the two supporting plates 5 are respectively and fixedly provided with a rotating motor 7, the output shaft end of the rotating motor 7 is fixedly connected with a first lead screw 8, the first lead screw 8 is in threaded connection with a first lead screw nut 9, one side of the first lead screw nut 9 is fixedly connected with a connecting rod 10, the connecting rod 10 is movably sleeved with the sliding hole 6, the other end of the connecting rod 10 is fixedly, bottom fixedly connected with fixing device 13 of threaded rod 12, the upper portion fixed mounting in the backup pad 5 outside has servo motor 14, servo motor 14's output shaft end fixedly connected with second lead screw 15, second lead screw 15 runs through two backup pads 5, the top activity of second lead screw 15 has cup jointed with backup pad 5 fixedly connected with sleeve base 16, the upper end fixedly connected with roof 17 of two backup pads 5, middle part fixedly connected with control panel 18 of roof 17 upper end, slide rail 19 has been seted up to the bottom of roof 17, slide rail 19 activity has cup jointed the screw nut slider 20 with 15 threaded connection of second lead screw, the bottom fixedly connected with pneumatic cylinder 21 of screw nut slider 20, the bottom fixedly connected with pressure sensor 22 of pneumatic cylinder 21, the middle part fixedly connected with extrusion piece 23 of pressure sensor 22 bottom.

Wherein, fixing device 13 includes support frame 1301, the bottom fixedly connected with bottom plate 1302 of support frame 1301, the upper surface fixedly connected with pneumatic cylinder 1303 of the support frame 1301 inner chamber, the bottom and the bottom plate 1302 fixed connection of pneumatic cylinder 1303, and the output shaft outside of pneumatic cylinder 1303 surrounds elastic component 1304, the bottom of bottom plate 1302 is provided with the rubber cushion, when placing the concrete slab both sides that await measuring on workstation 4 upper portion by fixing device 13 extrusion fixed, in order to prevent that concrete slab from breaking and popping out under the extrusion of extrusion piece 23, give its cushion effect through pneumatic cylinder 1303 and elastic component 1304 simultaneously, avoid too big, cause the damage to fixing device 13 and other equipment.

Wherein, the upper surface of workstation 4 is the recess setting, and the both sides of 4 recesses of workstation all are provided with anti-skidding tooth, are convenient for increase workstation 4 and await measuring concrete slab's frictional force, fix it better, prevent that it from sliding, influence the precision that detects.

Wherein, the equal fixedly connected with fixed block 2 in both sides at base 1 upper end middle part is provided with the bearing box 3 in the middle of two fixed blocks 2, can collect the concrete residue that the quality is relatively poor wherein takes place broken concrete slab scattered in the resistance to compression test through bearing box 3, and the staff only needs regularly to take out bearing box 3, alright handle residue, unusual simple and practical.

Wherein, the one end and the first lead screw nut 9 fixed connection of connecting rod 10, the other end and the 11 fixed connection of second lead screw nut of connecting rod 10, and the width and the sliding hole 6 looks adaptation of connecting rod 10, when rotating electrical machines 7 drive first lead screw 8 rotatory, first lead screw nut 9 can realize reciprocating on first lead screw 8 according to the direction of rotation of motor under the restriction of sliding hole 6, and drive fixing device 13 and rise and descend, wherein threaded rod 12 also can finely tune fixing device 13's height, ensure that fixing device 13 not only can be applicable to the great and less concrete slab of thickness, and can fix it well, ensure fixed effect.

Wherein, slide rail 19 activity cup joints screw nut slider 20 with 15 threaded connection of second lead screw, cooperation slide rail 19 is just reversing through servo motor 14, can remove the regulation about screw nut slider 20, thereby realize moving equipment's removal, make pressure equipment all carry out the resistance to compression test to each department of the concrete slab that pressure equipment can resist the pressure test, through analyzing each group of data, obtain the accurate data of this concrete slab compressive capacity, realize accurate test, this screw drive mechanism sets up the upper portion at this check out test set simultaneously, and servo motor 14 installs externally, not only greatly saved the inside space of check out test set, and be convenient for servo motor 14 heat dissipation, improve its work efficiency.

The working principle is as follows: when the device is used, the concrete slab to be tested is fixed by improving the matching of the fixing device 13 and the workbench 4, the screw nut slide block 20 is adjusted to move left and right through the positive and negative rotation of the servo motor 14 in a matching way, so that the left and right movement of the pressing device is realized, the pressing device can perform compression resistance test on each part of the concrete slab subjected to compression resistance test, accurate data of the compression resistance of the concrete slab is obtained through analyzing each group of data, accurate test is realized, meanwhile, the screw transmission mechanism is arranged at the upper part of the detection device, and the servo motor 14 is arranged outside, so that the space in the detection device is greatly saved, the heat dissipation of the servo motor 14 is facilitated, the working efficiency is improved, wherein concrete residues which are poor in quality and are scattered in the compression resistance test and are crushed in the concrete slab can be collected through the bearing box 3, the staff only need regularly take out the box 3 that holds, alright handle the residue, unusual simple and practical.

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 compressive strength detection device, includes base (1), its characterized in that: the automatic feeding device is characterized in that fixed blocks (2) are fixedly connected to two sides of the middle of the upper end of the base (1), a receiving box (3) is arranged between the two fixed blocks (2), a workbench (4) positioned on the outer sides of the two fixed blocks (2) is fixedly connected to the upper end of the base (1), supporting plates (5) are fixedly connected to two sides of the upper end of the base (1), slide holes (6) are formed in the middle of the two supporting plates (5), a rotating motor (7) is fixedly mounted at the bottom of the outer sides of the two supporting plates (5), a first lead screw (8) is fixedly connected to an output shaft of the rotating motor (7), the first lead screw (8) is in threaded connection with a first lead screw nut (9), a connecting rod (10) is fixedly connected to one side of the first lead screw nut (9), the connecting rod (10) is movably sleeved with the slide holes (6), and a second lead screw nut (11, the second screw nut (11) is in threaded connection with the threaded rod (12), the bottom end of the threaded rod (12) is fixedly connected with a fixing device (13), a servo motor (14) is fixedly mounted on the upper portion of the outer side of each support plate (5), the output shaft end of each servo motor (14) is fixedly connected with a second screw (15), the second screws (15) penetrate through the two support plates (5), the top ends of the second screws (15) are movably sleeved with sleeve bases (16) fixedly connected with the support plates (5), the upper ends of the two support plates (5) are fixedly connected with top plates (17), the middle of the upper ends of the top plates (17) is fixedly connected with a control panel (18), the bottom of the top plates (17) is provided with slide rails (19), the slide rails (19) are movably sleeved with screw nut sliders (20) in threaded connection with the second screws (15), the bottom fixedly connected with pneumatic cylinder (21) of screw nut slider (20), the bottom fixedly connected with pressure sensor (22) of pneumatic cylinder (21), the middle part fixedly connected with extrusion piece (23) of pressure sensor (22) bottom.

2. The concrete compressive strength detection device of claim 1, wherein: fixing device (13) include support frame (1301), the bottom fixedly connected with bottom plate (1302) of support frame (1301), the last fixed surface of support frame (1301) inner chamber is connected with pneumatic cylinder (1303), the bottom and bottom plate (1302) fixed connection of pneumatic cylinder (1303), and the output shaft outside of pneumatic cylinder (1303) encircles elastic component (1304), the bottom of bottom plate (1302) is provided with the rubber cushion.

3. The concrete compressive strength detection device of claim 1, wherein: the upper surface of the workbench (4) is provided with a groove, and anti-skidding teeth are arranged on two sides of the groove of the workbench (4).

4. The concrete compressive strength detection device of claim 1, wherein: one end of the connecting rod (10) is fixedly connected with the first lead screw nut (9), one end of the other end of the connecting rod (10) is fixedly connected with the second lead screw nut (11), and the width of the connecting rod (10) is matched with the sliding hole (6).