Concrete slump detection device
Technical Field
The invention belongs to the technical field of concrete processing equipment, and particularly relates to a concrete slump detection device.
Background
The existing slump test methods are generally as follows: filling concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting along the wall of the bucket from outside to inside by using a tamping hammer after each filling, leveling after tamping, then pulling up the bucket, wherein the concrete generates a collapse phenomenon due to self weight, and the height of the highest point of the collapsed concrete is subtracted by the height (300mm) of the bucket, so that the slump is called; in the process, the operations of tamping, leveling, pulling up the barrel and the like are usually manually operated by workers, so that time and labor are wasted, the compaction degree of concrete and the like are not easy to control, and the concrete is easily touched in the process of pulling up the barrel, so that the accuracy of a detection result is influenced; therefore, it is very necessary to provide a concrete slump detection device which is time-saving and labor-saving, has good concrete compaction effect and high structural accuracy.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the concrete slump detection device which is time-saving and labor-saving, good in concrete compaction effect and high in structural detection accuracy.
The purpose of the invention is realized as follows: a concrete slump detection device comprises a supporting base, wherein a supporting bottom plate is arranged on the upper surface of the supporting base, a detection cylinder is arranged on the upper surface of the supporting bottom plate, a supporting beam A is connected onto the outer side surface of the detection cylinder, the outer end of the supporting beam A is connected with a lifting mechanism A, a box body is fixed on the upper surface of the supporting beam A, a push plate is arranged inside the box body, the push plate is connected with the inner side surface of the box body in a vertical sliding mode, the lower surface of the push plate is connected with the supporting beam A through the lifting mechanism B, a discharge port towards the direction of the detection cylinder is arranged on the side surface of the box body, the discharge port is positioned above a feed port at the top end of the detection cylinder, a material pressing mechanism is arranged above the detection cylinder, and the top end of the material pressing mechanism is connected onto the supporting beam B through a telescopic mechanism A, the two ends of the supporting beam B are connected with the supporting base through the lifting mechanisms C respectively, the two ends of the supporting beam A and the supporting beam B are connected into the guide groove A and the guide groove B on the inner side surface of the supporting column in a vertically sliding mode respectively, and the supporting column is fixedly connected to the upper surface of the supporting base.
Further, supporting baseplate fixed connection is at the upper surface of returning face plate, the returning face plate is through the rectangular channel of the rotatory connection on the supporting pedestal of the pivot on its left and right sides face, the rear of the lower surface rectangular channel of supporting pedestal articulates there is telescopic machanism B, telescopic machanism B's the other end articulates the position department that is close to the place ahead on the lower surface of returning face plate, the below of returning face plate is provided with the collecting box, and telescopic machanism B's concertina movement can drive the returning face plate and drive the supporting baseplate rotation of revoluting the axle to in collecting the discarded concrete clearance of supporting baseplate upper surface.
Furthermore, the telescopic mechanism A and the telescopic mechanism B adopt electric push rods or hydraulic telescopic rods.
Furthermore, the push pedal slant sets up in the box, and the lowest of push pedal is located one side at discharge gate place and is convenient for the concrete of push pedal top to pass through in the discharge gate pours into the detection section of thick bamboo into.
Further, elevating system B includes threaded rod A who is connected with the push pedal lower surface, there is threaded sleeve through threaded connection on the threaded rod A, threaded sleeve and supporting beam A swivelling joint, threaded sleeve passes through gear drive mechanism and links to each other with the rotating electrical machines, and the rotating electrical machines passes through gear drive mechanism and drives the threaded sleeve rotation to make threaded rod A can promote the push pedal and reciprocate along the inner wall of box, in order to pour into the concrete of push pedal top into the detection section of thick bamboo from the discharge gate.
Further, elevating system A including fix the supporting beam A outer end the slider A and with the slider A between the threaded rod B who carries out the connection through the screw thread, swivelling joint between threaded rod B and the support column, sliding connection about between slider A and the guide way A can make the slider drive a detection section of thick bamboo through drive threaded rod B is rotatory and reciprocates along threaded rod B's axial direction, realizes the steady vertical lift to a detection section of thick bamboo, guarantees the accuracy of testing result.
Furthermore, elevating system C including fix at the slider B at supporting beam B both ends and with the slider B between the threaded rod C that carries out the connection through the screw thread, swivelling joint between threaded rod C's bottom and the support column, sliding connection from top to bottom between slider B and the guide way B can realize the slow promotion to swager mechanism through threaded rod C's rotation, realizes the compaction effect of swager mechanism to the concrete of the different height position departments in the detection section of thick bamboo.
Further, swager constructs including with telescopic machanism A between depression bar of upper and lower sliding connection, the bottom fixedly connected with main clamp plate of depression bar, the upper surface of main clamp plate is provided with along the ascending guide rail of main clamp plate radius, gliding on the guide rail is provided with fan-shaped supplementary clamp plate, the upper surface of assisting the clamp plate articulates there is with the bracing piece, the top handing-over of bracing piece is at telescopic machanism A's surface, the outside cover of depression bar is equipped with compression spring between telescopic machanism A and the main clamp plate, carries out the compaction in-process to the concrete in the detection cylinder, can adjust the compaction radius of assisting the clamp plate through the relative slip between depression bar and the telescopic machanism A, guarantees the compaction effect of swager to the concrete.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the material pressing mechanism is arranged above the detection cylinder, so that the concrete in the detection cylinder can be compacted, and the accuracy of a detection result is ensured to a certain extent;
2. the pressing mechanism can continuously adjust the compaction height of the pressing mechanism along with the increase of the amount of concrete injected into the detection cylinder so as to carry out compaction operation on the concrete at different height positions in the detection cylinder, and the compaction radius of the pressing plate can also be changed to a certain extent according to needs, so that the use requirements of the detection cylinder at different heights are met, and the compaction effect of the pressing mechanism on the concrete in the detection cylinder is ensured;
3. according to the invention, the threaded rod B rotates to drive the detection cylinder to vertically lift, the detection cylinder is stable in movement and high in verticality, and the detection cylinder can be effectively prevented from possibly touching concrete when being lifted, so that the detection accuracy of the concrete slump is influenced, and the accuracy of the detection result of the concrete slump is ensured to a certain extent.
Drawings
FIG. 1 is a schematic structural diagram of a concrete slump detection device of the present invention.
FIG. 2 is a schematic structural diagram of a pressing mechanism in the concrete slump detection device according to the present invention.
FIG. 3 is a schematic top view of a pressing mechanism in the concrete slump detection apparatus according to the present invention.
In the figure: 1. the device comprises a supporting base 2, a supporting bottom plate 3, a detection barrel 4, a supporting beam A5, a box body 6, a push plate 7, a discharge port 8, a feed inlet 9, a telescopic mechanism A10, a supporting beam B11, a supporting column 12, a guide groove A13, a guide groove B14, a turnover plate 15, a rotating shaft 16, a rectangular groove 17, a telescopic mechanism B18, a collecting box 19, a threaded rod A20, a threaded sleeve 21, a gear transmission mechanism 22, a rotating motor 23, a sliding block A24, a threaded rod B25, a sliding block B26, a threaded rod C27, a pressure rod 28, a main pressure plate 29, an auxiliary pressure plate 30, a supporting rod 31, a compression spring 32 and a guide rail.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, a concrete slump detection device comprises a support base 1, wherein a support base plate 2 is arranged on the upper surface of the support base 1, a detection cylinder 3 is arranged on the upper surface of the support base plate 2, a support beam a4 is connected to the outer side surface of the detection cylinder 3, the outer end of the support beam a4 is connected with a lifting mechanism a, two ends of the support beam a4 are respectively connected into a guide groove a12 on the inner side surface of a support column 11 in a vertical sliding manner, the support column 11 is fixedly connected to the upper surface of the support base 1, the support beam a4 and the detection cylinder 3 can be driven by the lifting mechanism a to vertically lift along the guide groove a12, and the concrete is prevented from being touched by the shake of the detection cylinder 3 in the process of manually lifting the detection cylinder 3, so that the accuracy of a detection result is affected; a box body 5 is fixed on the upper surface of the supporting beam A4, a push plate 6 is arranged inside the box body 5, the push plate 6 is connected with the inner side surface of the box body 5 in a vertical sliding manner, the lower surface of the push plate 6 is connected with the supporting beam A4 through a lifting mechanism B, a discharge port 7 facing the direction of the detection cylinder 3 is arranged on the side surface of the box body 5, the discharge port 7 is positioned above a feed port 8 at the top end position of the detection cylinder 3, the push plate 6 can be pushed to move up and down along the inner wall of the box body 5 through the lifting mechanism B, and concrete in the box body 5 can be continuously injected into the detection cylinder 3 from the discharge port 7 in the process that the push plate 6 moves upwards along the inner side surface of the box body 5; a material pressing mechanism is arranged above the detection cylinder 3, the top end of the material pressing mechanism is connected to a supporting beam B10 through a telescopic mechanism A9, and in the process of continuously injecting concrete in the box body 5 into the detection cylinder 3, the telescopic mechanism A9 drives the material pressing mechanism to continuously move up and down so as to perform compaction operation on the concrete in the detection cylinder 3 and ensure the accuracy of a concrete slump detection result; the two ends of the supporting beam B10 are connected with the supporting base 1 through a lifting mechanism C respectively, the two ends of the supporting beam B10 are connected with the inner side surface of the supporting column 11 in a vertically sliding mode respectively in a guide groove B13, along with the increase of the amount of concrete injected into the detection cylinder 3, the heights of the telescopic mechanism A9 and the material pressing mechanism can be adjusted through the lifting mechanism C, the requirement for the change of the height of the concrete in the detection cylinder 3 is met, the compacting effect of the material pressing mechanism on the concrete in the detection cylinder 3 is guaranteed, and the accuracy of the concrete slump detection structure is further guaranteed; for the convenience of detection, during the in-service use, can be at the last surface mounting concrete slump detection chi that supports the base.
Example 2
As shown in fig. 1-3, a concrete slump testing device comprises a supporting base 1, a supporting bottom plate 2 is arranged on the upper surface of the supporting base 1, a testing cylinder 3 is arranged on the upper surface of the supporting bottom plate 2, a supporting beam a4 is connected on the outer side surface of the testing cylinder 3, the outer end of the supporting beam a4 is connected with a lifting mechanism a, the lifting mechanism a comprises a sliding block a23 fixed on the outer end of the supporting beam a4 and a threaded rod B24 connected with the sliding block a23 through threads, the threaded rod B24 is rotatably connected with a supporting column 11, the sliding block a23 is vertically connected with a guiding groove a12, the sliding block a23 can drive the testing cylinder 3 to vertically move along the axial direction of the threaded rod B24 by driving the threaded rod B24 to rotate, so as to realize stable vertical lifting of the testing cylinder 3 and prevent the testing cylinder 3 from hitting the concrete due to shaking in the process of manually lifting the testing cylinder 3, thereby affecting the accuracy of the detection result; the last fixed surface of supporting beam A4 has box 5, the inside of box 5 is provided with push pedal 6, sliding connection about between the medial surface of push pedal 6 and box 5, be connected through elevating system B between the lower surface of push pedal 6 and the supporting beam A4, elevating system B includes the threaded rod A19 with push pedal lower surface fixed connection, there is threaded sleeve 20 through threaded connection on the threaded rod A19, threaded sleeve 20 and supporting beam A4 swivelling joint, threaded sleeve 20 passes through gear 21 and links to each other with rotating electrical machines 22, be provided with the discharge gate 7 towards detecting cylinder 3 direction on the side of box 5, discharge gate 7 is located the top of detecting cylinder 3 top position department feed inlet 8, push pedal 6 sets up the slant in box 5, and the least significant end of push pedal 6 is located the one side at discharge gate 7 place, the rotating motor 22 drives the threaded sleeve 20 to rotate through the gear transmission mechanism 21, so that the threaded rod A19 can push the push plate 6 to move up and down along the inner wall of the box body 5, and in the process that the push plate 6 moves up and down along the inner side surface of the box body 5, concrete in the box body 5 can be continuously injected into the detection cylinder 3 from the discharge port 7; a material pressing mechanism is arranged above the detection cylinder 3, the top end of the material pressing mechanism is connected to a supporting beam B10 through a hydraulic telescopic rod, and in the process of continuously injecting concrete in the box body 5 into the detection cylinder 3, the telescopic mechanism A9 drives the material pressing mechanism to continuously move up and down so as to perform compaction operation on the concrete in the detection cylinder 3 and ensure the accuracy of a concrete slump detection result; the two ends of the supporting beam B10 are connected with the supporting base 1 through a lifting mechanism C respectively, the lifting mechanism C comprises a sliding block B25 fixed at the two ends of the supporting beam B10 and a threaded rod C26 connected with the sliding block B25 through threads, the bottom end of the threaded rod C26 is connected with the supporting column 11 in a rotating mode, the sliding block B25 is connected with the guide groove B13 in a vertically sliding mode, along with the increase of the amount of concrete injected into the detection cylinder 3, the height of the hydraulic telescopic rod and the pressing mechanism can be adjusted through the rotation of the threaded rod C26, the requirement for the change of the height of the concrete in the detection cylinder 3 is met, the pressing effect of the pressing mechanism on the concrete in the detection cylinder 3 is guaranteed, and the accuracy of the concrete slump detection structure is further guaranteed; the material pressing mechanism comprises a pressing rod 27 which is connected with an actuating mechanism of the hydraulic telescopic rod in a vertical sliding manner, a main pressing plate 28 is fixedly connected to the bottom end of the pressing rod 27, a guide rail 32 which is arranged along the radius direction of the main pressing plate is arranged on the upper surface of the main pressing plate 28, a fan-shaped auxiliary pressing plate 29 is arranged on the guide rail 32 in a sliding manner, a supporting rod 30 is hinged to the upper surface of the auxiliary pressing plate 29, the top end of the supporting rod 30 is hinged to the outer surface of the hydraulic telescopic rod, a compression spring 31 is sleeved outside the pressing rod 27 between the hydraulic telescopic rod and the main pressing plate 28, in the process of compacting concrete in the detection cylinder 3, the lower surfaces of the main pressing plate 28 and the auxiliary pressing plate 29 start to gradually contact with the concrete in the detection cylinder 3, then the hydraulic telescopic rod drives the material pressing mechanism to continuously move downwards, at the moment, the actuating mechanism of the hydraulic telescopic rod starts to overcome the acting force of the compression spring 31 and moves downwards relative to the pressing rod 27, the supporting rod 30 pushes the auxiliary pressing plate 29 to slide outwards along the guide rail 32, so that the purpose of adjusting the compaction radius of the pressing mechanism is achieved, and the compaction effect of the pressing mechanism on concrete is guaranteed; supporting baseplate 1 fixed connection is at the upper surface of returning face plate 14, returning face plate 14 through the rotatory rectangular channel 16 of connecting on supporting baseplate 1 of pivot 15 on its left and right sides face, the rear of supporting baseplate 1's lower surface rectangular channel 16 articulates there is telescopic machanism B17, telescopic machanism B17's the other end articulates on returning face plate 14's the lower surface and is close to the position department in the place ahead, returning face plate 14's below is provided with collecting box 18, and telescopic motion through electric putter can drive returning face plate 14 and drive supporting baseplate 2 and revolve around pivot 15 to in collecting box 18 is collected to the discarded concrete clearance of supporting baseplate 2 upper surface.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.