CN217466473U - Concrete compressive strength on-site detection device for concrete building blocks - Google Patents
Concrete compressive strength on-site detection device for concrete building blocks Download PDFInfo
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- CN217466473U CN217466473U CN202123102748.7U CN202123102748U CN217466473U CN 217466473 U CN217466473 U CN 217466473U CN 202123102748 U CN202123102748 U CN 202123102748U CN 217466473 U CN217466473 U CN 217466473U
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Abstract
The utility model discloses a concrete compression strength on-site detection device of a concrete block, which comprises a pressure detection box, the pressure detection box is internally provided with a rectangular cavity in a hollow manner, the bottom in the pressure detection box is fixedly provided with a servo motor, the top of the pressure detection box is provided with a left gear, a main gear and a right gear from left to right in turn, the main gear is meshed with the left gear and the right gear, an output shaft of the servo motor is fixedly connected with the main gear, the bottom of the left tooth top is fixedly connected with a left transmission screw rod which penetrates through the pressure detection box, the top of the right gear is fixedly connected with a right transmission screw rod which penetrates through the pressure detection box, the left transmission screw rod and the right transmission screw rod extend out of the pressure detection box, a pressing plate is rotatably mounted on the part of the pressure detection box, and a plurality of pressure detection units are arranged at the top of the pressure detection box.
Description
Technical Field
The utility model relates to concrete compressive strength detects technical field, concretely relates to concrete compressive strength on-the-spot detection device of concrete block.
Background
The concrete compressive strength is one of main physical and mechanical indexes of the concrete block, has important influence on the safety and durability of the concrete, and mainly comprises the following two methods: firstly, an in-situ sampling method is adopted, wherein the masonry of each detection unit is not less than one group; the set of blocks should be taken out of not less than 3 walls. Each block is free from defects such as missing edges, falling corners, cracks and the like for pressure detection; II, a common small building block resilience method: the appearance quality of the detected common small building blocks is in accordance with the regulations of the existing national standard of common concrete small building blocks GB/T8239. The surface to be measured of the small building block is dry, clean and flat without cracks; no finishing coat and whitewash layer should be used; the surface of the steel wire rope is cleaned by a grinding wheel, and is ground to be flat, and meanwhile, dust is brushed by a brush. And 16 impact points are uniformly distributed on the strip surface of the small building block to be measured. The selected impact point should avoid the surface defects of the small blocks. The distance between two adjacent impact points is not less than 20mm, the distance between the impact points and the edge of the small building block is not less than 20mm, each impact point is only impacted once, and the reading of the rebound value is estimated to be 1. During testing, the resiliometer is in a horizontal state, and the axis of the resiliometer is perpendicular to the strip surface of the small building block. And recording the detection result and then carrying out data analysis.
The utility model discloses a chinese utility model patent that the publication is CN201822266110.9 discloses a concrete compressive strength on-the-spot detection device of concrete block, including the pull head of the shape of the inverted T on the embedding concrete block thin wall, the pull head passes through ball joint and is connected with biography power screw rod, counterforce device, force applying device respectively, counterforce device's bottom surface is erect in concrete block thin wall top surface and will be passed the partial structure of power screw rod and is drawn the hood and establish in it, force applying device sets up the top at counterforce device. The utility model discloses an in the groove of falling T-slot on drawing head embedding concrete block thin wall, rethread biography power screw rod, counterforce device and force applying device apply pulling force in the horizontal groove top surface concrete in the groove of falling T-slot, until destroying, read the biggest pulling force value to presume concrete compressive strength according to the conversion formula of establishing between concrete compressive strength and the pulling force value.
The detection method of the patent needs to pre-groove the concrete block, and the stress of the test point is too concentrated, so that the test result can be influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete compressive strength on-site measuring device of concrete block to the problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
concrete compressive strength on-site measuring device of concrete block, including the pressure detection case, the inside cavity of pressure detection case is provided with the rectangle cavity, bottom fixed mounting has servo motor in the pressure detection case, top has set gradually left gear, master gear and right gear from a left side to the right side in the pressure detection case, the master gear with left gear with right gear meshing, servo motor's output shaft fixed connection in the master gear, left side gear top fixedly connected with left side transmission lead screw run through in the pressure detection case, right side gear top fixedly connected with right side transmission lead screw run through in the pressure detection case, left side transmission lead screw with right side transmission lead screw stretches out rotate in the part of pressure detection case and install the clamp plate, the top of pressure detection case is provided with a plurality of pressure detection unit.
Through adopting above-mentioned technical scheme, will be placed on pressure detection case by the concrete block that tests, start servo motor, servo motor's output shaft drives the master gear and rotates to drive left gear and right gear rotation, drive the clamp plate and push down then, clamp plate bottom and pressure detection case top extrusion are by the concrete block that tests, and the pressure detection unit detects the pressure value, detects the whole resistance to compression condition that is detected the face by the concrete block that tests.
Optionally, the top of the pressure detection box is provided with three detection grooves, each detection groove is provided with a mounting groove at the bottom, and the pressure detection unit is mounted in the mounting groove.
Through adopting above-mentioned technical scheme, will be placed by the test concrete block and detect the inslot, can guarantee to be tested the stability of concrete block in by the pressure in-process, avoid taking place to rock the aversion and influence the testing result, it can detect three simultaneously and refer to the contrast to set up threely, avoid the unicity, the mounting groove provides the mounted position for the pressure detecting element, and can direct contact be detected by the test concrete block by the pressure value that the test concrete block received, it is comparatively accurate to make the testing result.
Optionally, three matching grooves with the same size as the detection groove are arranged at corresponding positions at the bottom of the pressure plate.
Through adopting above-mentioned technical scheme, the matching groove cooperation detects the groove and will be carried out spacing by the concrete block that tests and carry out the pressure detection of an integral face.
Optionally, a left rotating shaft seat and a right rotating shaft seat are further arranged in the pressure detection box, the left rotating shaft seat is fixedly installed on the left side of the inner top of the pressure detection box, the left gear is installed on the left rotating shaft seat, the right rotating shaft seat is fixedly installed on the right side of the inner top of the pressure detection box, and the right gear is installed on the right rotating shaft seat.
Through adopting above-mentioned technical scheme, left side axle seat and right axle seat provide the mounted position for left gear and right gear, have carried out spacing protection to left gear and right gear simultaneously, prevent that left gear and right gear break away from breaking down.
Optionally, a protection box is arranged below the pressure detection box, the protection box is a cuboid, a protection cavity is arranged in the protection box in a hollow mode, and an opening is formed in the bottom of the protection box.
Through adopting above-mentioned technical scheme, locate the broken bits of explosion that the concrete block that can prevent to be tested produced after reaching the pressure critical point on the pressure detection case with the protective box cover and splash, avoid arousing the incident.
Optionally, one side of guard box is provided with the observation hole, the hinge is articulated on the observation hole and is installed the observation window.
Through adopting above-mentioned technical scheme, the observation window can observe the process of being tested concrete block test pressure, and can open the observation window and clear up the tested concrete block residue after the test.
Optionally, a pressure display is arranged on one side of the pressure detection box, and the pressure display is electrically connected to the pressure detection unit.
Through adopting above-mentioned technical scheme, pressure display can make the staff audio-visual understanding by the concrete block compressive strength of being tested.
Compared with the prior art, the beneficial effects of the utility model are that:
1. placing the tested concrete block on a pressure detection box, starting a servo motor, driving a main gear to rotate by an output shaft of the servo motor so as to drive a left gear and a right gear to rotate, driving a pressing plate to move downwards, extruding the tested concrete block at the bottom of the pressing plate and the top of the pressure detection box, detecting a pressure value by a pressure detection unit, and detecting the compression resistance condition of the whole detected surface of the tested concrete block;
2. the tested concrete blocks are placed in the detection grooves, so that the stability of the tested concrete blocks in the process of being pressed can be guaranteed, the phenomenon that the detection result is influenced due to shaking and displacement is avoided, three concrete blocks can be simultaneously detected for reference and comparison, and the singleness is avoided;
3. the pressing plate is placed in the protection cavity, so that the tested concrete building block can be prevented from being exploded and splashed after reaching a pressure critical point, and safety accidents are avoided.
Drawings
Fig. 1 is a schematic structural view of a concrete compressive strength on-site detection device of a concrete block according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a concrete compressive strength on-site detection device of a second concrete block of the embodiment of the present invention;
fig. 3 is a schematic structural view of a concrete compressive strength on-site detection device of a third concrete block in an embodiment of the present invention;
in the figure: 1. a pressure detection box; 11. a servo motor; 12. a main gear; 13. a left rotating shaft seat; 14. a left gear; 15. a left drive screw; 16. a right rotary shaft seat; 17. a right gear; 18. a right drive screw; 19. a detection tank; 2. pressing a plate; 21. a matching groove; 3. a protection box; 31. an observation window; 4. a pressure detection unit; 5. and a pressure display.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
combine shown in fig. 1, concrete compressive strength on-site detection device of concrete block, including pressure detection case 1, pressure detection case 1 is steel sheet integrated into one piece's rectangle case, the inside cavity of pressure detection case 1 is provided with the rectangle cavity, bottom fixed mounting has servo motor 11 in pressure detection case 1, top both sides are provided with left axle bed 13 and right axle bed 16 respectively in the pressure detection case 1, install left gear 14 on the left axle bed 13, right gear 17 is installed to right axle bed 16, left gear 14 and right gear 17 have carried out spacing protection simultaneously, prevent that left gear 14 and right gear 17 from breaking away from the emergence trouble. A main gear 12 is arranged between a left gear 14 and a right gear 17 in a meshed mode, an output shaft of a servo motor 11 is fixedly connected to the main gear 12, a left transmission screw rod 15 is fixedly connected to the bottom of the left gear 14 and penetrates through a pressure detection box 1, a right transmission screw rod 18 is fixedly connected to the bottom of the right gear 17 and penetrates through the pressure detection box 1, the thread turning directions of the left transmission screw rod 15 and the right transmission screw rod 18 are opposite, and a pressing plate 2 is rotatably mounted on the portion, extending out of the pressure detection box 1, of the left transmission screw rod 15 and the right transmission screw rod 18. The roof of pressure detection case 1 is the thickening steel sheet, 1 top of pressure detection case is provided with three detection groove 21, every detection groove 21 bottom is provided with the mounting groove, pressure detecting element 4 installs in the mounting groove, pressure detecting element 4 is pressure sensor, it is the cuboid shape to detect groove 21, detect highly from a left side to the right side grow in proper order in groove 21, avoid with high wherein one by the high whole testing result that leads to of test concrete block compressive strength mistake, the centre can be according to the size by the test concrete block place the gasket carry on spacingly to by the test concrete block, 2 bottoms of clamp plate correspond the position be provided with detect 21 unanimous three matching grooves 19 of groove size. Pressure detection case 1 one side is provided with pressure display 5, and pressure display 5 electricity is connected in pressure sensor, and pressure display 5 can make the audio-visual understanding of staff by the concrete block compressive strength of being tested.
The tested concrete blocks are placed in the detection grooves 21, the stability of the tested concrete blocks in the process of being pressed can be guaranteed, the situation that the pressure detection unit 4 is affected due to shaking and displacement is avoided, the three detection grooves 21 can be used for simultaneously detecting the three concrete blocks for reference and comparison, the singleness is avoided, the servo motor 11 is started, an output shaft of the servo motor 11 drives the main gear 12 to rotate, so that the left gear 14 and the right gear 17 are driven to rotate, the pressing plate 2 is driven to press downwards, the top and the bottom of the pressing plate 2 and the top of the pressure detection box 1 extrude the tested concrete blocks, the pressure detection unit 4 detects pressure values, the matching grooves 19 are matched with the detection grooves 21 to limit the tested concrete blocks to perform pressure detection of an integral surface, the mounting grooves provide mounting positions for the pressure detection unit 4 and can be in direct contact with the tested concrete blocks, the detection result is more accurate.
Example two:
referring to fig. 2, a protection box 3 is arranged above the pressure detection box 1, the protection box 3 is an integrally formed cuboid steel plate box, a protection cavity is arranged in the protection box 3 in a hollow mode, and an opening is formed in the bottom of the protection box 3. An observation window 31 is arranged on one side of the protection box 3, and the observation window 31 is formed by hinging tempered glass hinges on the protection box 3. The pressing plate 2 is placed in the protection cavity, so that the tested concrete building block can be prevented from being exploded and splashed after reaching a pressure critical point, and safety accidents are avoided. The observation window 31 can observe the process of the tested concrete block testing pressure, and the observation window 31 can be opened to clean the tested concrete block residues after testing.
Example three:
as shown in a combined figure 3, the concrete compressive strength field detection device for the concrete block comprises a pressure detection box 1 and a protection box 3, wherein the pressure detection box 1 is installed at the top of the protection box 3, the protection box 3 is an integrally formed cuboid steel plate box, a protection cavity is arranged in the protection box 3 in a hollow mode, and an opening is formed in the top of the protection box 3. Pressure detection case 1 is steel sheet integrated into one piece's rectangle case, the inside cavity of pressure detection case 1 is provided with the rectangle cavity, top fixed mounting has servo motor 11 in the pressure detection case 1, bottom both sides are provided with left axle bed 13 and right axle bed 16 respectively in the pressure detection case 1, install left gear 14 on the left axle bed 13, right gear 17 is installed to right axle bed 16, carried out spacing protection to left gear 14 and right gear 17 simultaneously, prevent that left gear 14 and right gear 17 break away from breaking down. Meshing is provided with master gear 12 in the middle of left gear 14 and the right gear 17, servo motor 11's output shaft fixed connection is in master gear 12, left gear 14 bottom fixedly connected with left transmission lead screw 15 runs through in pressure detection case 1, right gear 17 bottom fixedly connected with right transmission lead screw 18 runs through in pressure detection case 1, left transmission lead screw 15 and right transmission lead screw 18 rotate on the part that stretches out pressure detection case 1 and install clamp plate 2, be provided with three detection groove 21 on clamp plate 2, detection groove 21 is the cuboid shape, the height that detects groove 21 from a left side to the right side grow in proper order, avoid one of them piece of co-altitude to be made mistakes by the high whole testing result that leads to of test concrete block compressive strength, the middle gasket of placing is carried on spacingly by the test concrete block. The bottom plate of pressure detection case 1 is the thickening steel sheet, and 1 bottom of pressure detection case corresponds the position and is provided with and detects 21 three matching grooves 19 of unanimous size in groove, and every matching groove 19 top is provided with the mounting groove, and pressure detection unit 4 installs in the mounting groove, and pressure detection unit 4 is pressure sensor. Pressure detection case 1 one side is provided with pressure display 5, and pressure display 5 electricity is connected in pressure sensor, and pressure display 5 can make the audio-visual understanding of staff by the concrete block compressive strength of being tested.
An observation window 31 is arranged on one side of the protection box 3, and the observation window 31 is made of toughened glass. The pressing plate 2 is placed in the protection cavity, so that the tested concrete building block can be prevented from being exploded and splashed after reaching a pressure critical point, and safety accidents are avoided. The observation window 31 is opened to place the tested concrete block and clean the residue of the tested concrete block after testing, and the process of testing pressure of the tested concrete block can be observed.
To be placed by the test concrete block in detecting groove 21, can guarantee to be tested the concrete block by the stability of promotion in-process, avoid taking place to rock the aversion and lead to pressure detecting element 4 not to detect pressure and influence the testing result. The servo motor 11 is started, the output shaft of the servo motor 11 drives the main gear 12 to rotate, so that the left gear 14 and the right gear 17 are driven to rotate, the pressing plate 2 is driven to be lifted upwards, and the top of the pressing plate 2 and the bottom of the pressure detection box 1 extrude the tested concrete block to carry out on-site detection on the compressive strength of the concrete block.
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 (7)
1. Concrete compressive strength on-site measuring device of concrete block, including pressure detection case (1), its characterized in that, the inside cavity of pressure detection case (1) is provided with the rectangle cavity, bottom fixed mounting has servo motor (11) in pressure detection case (1), top has set gradually left gear (14), master gear (12) and right gear (17) from a left side to the right side in pressure detection case (1), master gear (12) with left gear (14) with right gear (17) meshing, the output shaft fixed connection of servo motor (11) in master gear (12), left gear (14) top fixedly connected with left transmission lead screw (15) run through in pressure detection case (1), right gear (17) top fixedly connected with right transmission lead screw (18) run through in pressure detection case (1), the left transmission screw rod (15) and the right transmission screw rod (18) extend out of the pressure detection box (1), the pressing plate (2) is installed on the part of the pressure detection box (1) in a rotating mode, and a plurality of pressure detection units (4) are arranged at the top of the pressure detection box (1).
2. The concrete compression strength on-site detection device for the concrete blocks according to claim 1, characterized in that three detection grooves (21) are arranged at the top of the pressure detection box (1), an installation groove is arranged at the bottom of each detection groove (21), and the pressure detection unit (4) is installed in the installation groove.
3. The concrete compression strength field detection device of the concrete building block according to claim 2, characterized in that three matching grooves (19) with the same size as the detection groove (21) are arranged at corresponding positions at the bottom of the pressure plate (2).
4. The concrete compressive strength on-site detection device for the concrete blocks according to claim 1, wherein a left rotating shaft seat (13) and a right rotating shaft seat (16) are further arranged in the pressure detection box (1), the left rotating shaft seat (13) is fixedly installed on the left side of the inner top of the pressure detection box (1), the left gear (14) is installed on the left rotating shaft seat (13), the right rotating shaft seat (16) is fixedly installed on the right side of the inner top of the pressure detection box (1), and the right gear (17) is installed on the right rotating shaft seat (16).
5. The concrete compression strength field detection device for the concrete blocks according to claim 1, wherein a protection box (3) is arranged at the top of the pressure detection box (1), the protection box (3) is a cuboid, a protection cavity is arranged in the protection box (3) in a hollow mode, and an opening is formed in the bottom of the protection box (3).
6. The concrete compressive strength field detection device of the concrete building block according to claim 5, wherein an observation hole is formed in one side of the protection box (3), and an observation window (31) is hinged to the observation hole.
7. The concrete compressive strength field detection device of the concrete building block according to claim 1, characterized in that a pressure display (5) is arranged on one side of the pressure detection box (1), and the pressure display (5) is electrically connected to the pressure detection unit (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123102748.7U CN217466473U (en) | 2021-12-07 | 2021-12-07 | Concrete compressive strength on-site detection device for concrete building blocks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123102748.7U CN217466473U (en) | 2021-12-07 | 2021-12-07 | Concrete compressive strength on-site detection device for concrete building blocks |
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| CN217466473U true CN217466473U (en) | 2022-09-20 |
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| CN202123102748.7U Active CN217466473U (en) | 2021-12-07 | 2021-12-07 | Concrete compressive strength on-site detection device for concrete building blocks |
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