CN221124578U

CN221124578U - Concrete detection equipment for construction engineering supervision

Info

Publication number: CN221124578U
Application number: CN202323200005.2U
Authority: CN
Inventors: 王珂
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-11
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses concrete detection equipment for construction engineering supervision, which comprises a bottom shell and a slump cone, wherein the slump cone is positioned at the upper end of the outer side of the bottom shell, a motor is arranged in the bottom shell, a first cam is arranged at the output end of the motor, and a connecting shaft is arranged at one end of the first cam.

Description

Concrete detection equipment for construction engineering supervision

Technical Field

The utility model relates to the technical field of construction engineering, in particular to concrete detection equipment for supervision of construction engineering.

Background

Before construction engineering concrete is poured on a construction site, engineering supervision needs to detect the slump of the concrete, the slump mainly refers to plasticizing performance and pumpability of the concrete, the slump mainly has graded change, water content and weighing deviation of a weighing apparatus, the dosage of an additive is easily ignored, and the temperature of cement is also easily ignored, and the existing slump testing method comprises the following steps: filling concrete into a horn-shaped slump barrel with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly striking 25 from outside to inside along the barrel wall by using a rammer after each filling, trowelling, then pulling up the barrel, and subtracting the height of the highest point of the concrete after slump from the barrel height (300 mm) due to self-weight slump phenomenon, namely slump.

But this current check out test set needs the manual work to vibrate, and during the complex operation, the dynamics is difficult for controlling, leads to the phenomenon of segregation to take place easily, influences the testing result to there is the gap easily between slump section of thick bamboo and the ground, and moisture in the concrete oozes out from the gap easily, influences the accuracy nature of testing result, consequently needs a construction engineering to manage with concrete check out test set to satisfy the demand.

Disclosure of utility model

The utility model aims to provide concrete detection equipment for construction engineering supervision, which solves the problems that the existing detection equipment provided in the background technology needs to be manually vibrated, is complex in operation, is difficult to control in strength, is easy to cause segregation, affects detection results, is easy to cause gaps between a slump cone and the ground, is easy to leak out of the gaps due to moisture in concrete, and affects the accuracy of the detection results.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a construction engineering is concrete detection equipment for supervision, includes drain pan and slump section of thick bamboo, slump section of thick bamboo is located the outside upper end of drain pan, be provided with the motor in the drain pan, be provided with first cam on the output of motor, be provided with the connecting axle on the one end of first cam, be provided with the second cam on the one end of connecting axle, be provided with a plurality of spring on the inner wall top of drain pan, be provided with same vibrations board on the bottom of every spring, be provided with a plurality of rapping bar on the vibrations board, be provided with two L type dogs on the bottom of vibrations board, the vertical section that two L type dogs were run through respectively at the both ends of connecting axle, first cam and second cam are located the top of two L type dog horizontal sections respectively, the worm wheel is installed to the internal rotation of drain pan, and the meshing is provided with the worm, is connected with the hand wheel on the one end of worm, and the hand wheel is located the outside of drain pan, be provided with first screw thread piece on the first screw rod, first screw thread piece sliding mounting is provided with first screw thread piece on one side wall of drain pan, the first screw thread piece sliding mounting is provided with the second screw rod on the second side wall, the second side of drain pan, the second screw rod sliding jaw is provided with the second screw thread piece, the second side of sliding jaw is located the second side of drain pan, the second screw rod sliding jaw is provided with the screw thread piece.

Preferably, the slump cone is conical, the upper end and the lower end are both openings, and the diameter of the opening at the upper end is smaller than that of the opening at the lower end.

Preferably, a plurality of guide rods are arranged on the top end of the inner wall of the bottom shell, each guide rod is respectively positioned in a corresponding spring, and the vibration plate is slidably mounted on the plurality of guide rods.

Preferably, the vertical sections of the two L-shaped stop blocks are provided with sliding grooves, the width of each sliding groove is the same as the diameter of the connecting shaft, and the lengths of the two ends of each sliding groove are larger than the diameter of the connecting shaft.

Preferably, two supporting blocks are arranged at the bottom end of the inner wall of the bottom shell, the two supporting blocks are respectively located at two sides of the worm wheel, and the first screw rod and the second screw rod are respectively and rotatably installed in the corresponding supporting blocks.

Preferably, the first screw and the second screw have the same specification and opposite screw directions, and threaded holes mutually matched with the first screw and the second screw are formed in the first threaded block and the second threaded block.

Preferably, one ends of the first clamping jaw and the second clamping jaw, which are close to the slump cone, are arc-shaped.

The beneficial effects of the utility model are as follows:

According to the utility model, the motor drives the first cam and the second cam to synchronously rotate in the same direction and respectively contact with the corresponding L-shaped stop blocks, so that the vibrating plate moves downwards, the springs are stretched, and the vibrating plate moves upwards rapidly due to the reactive force of the springs when the maximum outer walls of the first cam and the second cam are separated from the L-shaped stop blocks, so that a plurality of knocking rods are driven to knock the upper end side wall of the bottom shell, and the concrete in the slump cone is vibrated in a circulating manner.

According to the utility model, the worm drives the worm wheel to rotate in a meshed manner through rotating the hand wheel, so that the first screw and the second screw are driven to synchronously rotate in the same direction, the first threaded block and the second threaded block are mutually close, the first clamping jaw and the second clamping jaw are mutually close, the slump cone is extruded to the middle, and the first clamping jaw and the second clamping jaw form downward pressure when the slump cone is extruded, so that the stability of the slump cone is ensured, the gap between the slump cone and the bottom shell is effectively reduced, the water loss in concrete is prevented, the self-locking property between the worm wheel and the worm is effectively prevented, and the displacement of the slump cone during concrete vibration is effectively prevented.

Drawings

Fig. 1 is a schematic structural diagram of a concrete detection device for supervision of construction engineering according to the present utility model;

FIG. 2 is a schematic diagram of a side view cross-section structure of a spring of a concrete detection device for supervision of construction engineering;

fig. 3 is a schematic diagram of a vibrating mechanism of a concrete detection device for supervision of construction engineering according to the present utility model;

Fig. 4 is a schematic side view cross-section structure of a worm of the concrete detection device for supervision of construction engineering according to the present utility model;

fig. 5 is a schematic diagram of a front view cross-section structure of a concrete detection device for supervision of construction engineering according to the present utility model.

In the figure: 1. a bottom case; 2. a slump cone; 3. a motor; 4. a first cam; 5. a connecting shaft; 6. a second cam; 7. a spring; 8. a vibration plate; 9. knocking the rod; 10. an L-shaped stop block; 11. a worm wheel; 12. a worm; 13. a hand wheel; 14. a first screw; 15. a first threaded block; 16. a first jaw; 17. a second screw; 18. a second threaded block; 19. a second jaw; 20. a mounting block; 21. a scale bar; 22. a horizontal bar; 23. a guide rod; 24. a chute; 25. and a supporting block.

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.

Referring to fig. 1-5, a concrete detecting device for construction engineering supervision comprises a bottom shell 1 and a slump cone 2, wherein the slump cone 2 is positioned at the upper end of the outer side of the bottom shell 1, a motor 3 is arranged in the bottom shell 1, a first cam 4 is arranged at the output end of the motor 3, a connecting shaft 5 is arranged at one end of the first cam 4, a second cam 6 is arranged at one end of the connecting shaft 5, a plurality of springs 7 are arranged at the top end of the inner wall of the bottom shell 1, the bottom end of each spring 7 is provided with the same vibrating plate 8, a plurality of knocking rods 9 are arranged on the vibrating plate 8, two L-shaped stop blocks 10 are arranged at the bottom end of the vibrating plate 8, two ends of the connecting shaft 5 respectively penetrate through the vertical sections of the two L-shaped stop blocks 10, the first cam 4 and the second cam 6 are respectively positioned above the horizontal sections of the two L-shaped stop blocks 10, a worm wheel 11 is rotatably arranged in the bottom shell 1, the worm wheel 11 is meshed with the worm 12, one end of the worm 12 is connected with the hand wheel 13, the hand wheel 13 is positioned at the outer side of the bottom shell 1, one end of the worm wheel 11 is provided with the first screw rod 14, the first screw rod 14 is in threaded connection with the first thread block 15, the first thread block 15 is slidably arranged in one side wall of the bottom shell 1, the top end of the first thread block 15 positioned at the outer side of the bottom shell 1 is provided with the first clamping jaw 16, the other end of the worm wheel 11 is provided with the second screw rod 17, the second screw rod 17 is in threaded connection with the second thread block 18, the second thread block 18 is slidably arranged in the other side wall of the bottom shell 1, the top end of the second thread block 18 positioned at the outer side of the bottom shell 1 is provided with the second clamping jaw 19, the slump cone 2 is positioned between the first clamping jaw 16 and the second clamping jaw 19, one side outer wall of the bottom shell 1 is provided with the mounting block 20, the mounting block 20 is provided with the scale bar 21, the scale bar 21 is movably provided with a horizontal bar 22.

Before detection, the slump cone 2 is placed on the bottom shell 1, the hand wheel 13 is rotated, the worm 12 drives the worm wheel 11 to be meshed to rotate, the first screw rod 14 and the second screw rod 17 synchronously rotate in the same direction, the first screw block 15 drives the first clamping jaw 16, the second screw block 18 drives the second clamping jaw 19 to clamp the slump cone 2, the slump cone 2 is fixed on the bottom shell 1, concrete to be poured is shoveled into the slump cone 2, the power supply of the motor 3 is started, the first cam 4 drives the second cam 6 to synchronously rotate in the same direction through the connection of the connecting shaft 5, when the maximum outer diameters of the first cam 4 and the second cam 6 are contacted with the horizontal section of the L-shaped stop block 10, the L-shaped stop block 10 is driven by thrust to move downwards, the spring 7 stretches at the moment, and when the maximum outer diameters of the first cam 4 and the second cam 6 are separated from the horizontal section of the L-shaped stop block 10, the L-shaped stop block 10 loses thrust, the reaction force of the spring 7 pulls the vibrating plate 8 to quickly rise, a plurality of knocking rods 9 collide with the inner side wall at the upper end of the bottom shell 1, the first cam 4 and the second cam 6 circularly rotate, the knocking rods 9 continuously knock the inner side wall at the upper end of the bottom shell 1, so that the concrete in the slump cone 2 realizes the purpose of vibration, the concrete is continuously added after compacting, the concrete is vibrated again until the concrete is leveled with the top surface of the slump cone 2, the power supply of the motor 3 is turned off, at the moment, the horizontal rod 22 is rotated, the horizontal rod 22 is slid onto the slump cone 2, the scale of the bottom of the horizontal rod 22 corresponding to the scale rod 21 is recorded, the hand wheel 13 is reversely rotated, the first clamping jaw 16 and the second clamping jaw 19 are separated, the slump cone 2 is lifted from the vertical direction to the top, the periphery is bound and the slump is lost, until the collapse of the concrete is stopped, at the moment, the horizontal rod 22 is moved again and placed at the high position of the collapsed concrete, scales on the scale rod 21 corresponding to the bottom of the horizontal rod 22 are recorded, and the slump of the batch of concrete is obtained by subtracting the two values.

Specifically, in this embodiment, the slump cone 2 is conical, the upper and lower ends are both openings, the diameter of the opening at the upper end is smaller than that of the opening at the lower end, the conical slump cone 2 is favorable to uniform and diffuse collapse of concrete in the lifting process of the slump cone 2, and when the first clamping jaw 16 and the second clamping jaw 19 are close to each other, the slump cone 2 has a downward pressing trend, so that gaps between the slump cone 2 and the bottom shell 1 are reduced, and water loss in the concrete is prevented.

Specifically, in this embodiment, be provided with a plurality of guide bar 23 on the top of drain pan 1 inner wall, every guide bar 23 is located corresponding spring 7 respectively, and vibrations board 8 slidable mounting is on a plurality of guide bar 23, and guide bar 23 has guaranteed vibrations board 8 and has carried out the removal on the vertical direction all the time to guaranteed to strike the continuous of pole 9 to drain pan 1, and then realized the purpose of vibrating.

Specifically, in this embodiment, the vertical sections of the two L-shaped stoppers 10 are provided with the sliding grooves 24, the width of the sliding grooves 24 is the same as the diameter of the connecting shaft 5, the lengths of the two ends of the sliding grooves 24 are both greater than the diameter of the connecting shaft 5, and the sliding grooves 24 provide sufficient moving space for the L-shaped stoppers 10 to drive the vibrating plate 8 to reciprocate in the vertical direction.

Specifically, in this embodiment, two supporting blocks 25 are disposed on the bottom end of the inner wall of the bottom shell 1, the two supporting blocks 25 are respectively located at two sides of the worm wheel 11, the first screw 14 and the second screw 17 are respectively rotatably installed in the corresponding supporting blocks 25, and the supporting blocks 25 effectively prevent the worm wheel 11 from moving axially while supporting the first screw 14, the worm wheel 11 and the second screw 17, so as to ensure engagement between the worm wheel 11 and the worm 12, and synchronous movement between the first screw 14 and the first screw thread block 15, and between the second screw 17 and the second screw thread block 18.

Specifically, in this embodiment, the specifications of the first screw 14 and the second screw 17 are the same, and the screw directions are opposite, and threaded holes mutually matched with the first screw 14 and the second screw 17 are formed in the first threaded block 15 and the second threaded block 18, so that the first screw 14 and the second screw 17 synchronously rotate in the same direction, and the first threaded block 15 and the second threaded block 18 synchronously move relatively, so that the clamping and loosening movements of the first clamping jaw 16 and the second clamping jaw 19 are realized.

Specifically, in this embodiment, the ends of the first clamping jaw 16 and the second clamping jaw 19, which are close to the slump cone 2, are all in arc shapes, so that the first clamping jaw 16 and the second clamping jaw 19 can be more attached to the outer wall of the slump cone 2, and movement of the slump cone 2 in the horizontal direction is prevented.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a construction engineering manages with concrete detection equipment, includes drain pan (1) and slump section of thick bamboo (2), its characterized in that: the utility model discloses a screw thread type slump cone (2), including bottom shell (1), motor (3) are provided with in bottom shell (1), be provided with first cam (4) on the output of motor (3), be provided with connecting axle (5) on the one end of first cam (4), be provided with second cam (6) on the one end of connecting axle (5), be provided with a plurality of spring (7) on the inner wall top of bottom shell (1), be provided with same vibrations board (8) on the bottom of every spring (7), be provided with a plurality of and strike pole (9) on vibrations board (8), be provided with two L type dog (10) on the bottom of vibrations board (8), the vertical section of two L type dog (10) is run through respectively at the both ends of connecting axle (5), first cam (4) and second cam (6) are located the top of two L type dog (10) horizontal segment respectively, install worm wheel (11) in the inner wall top of bottom shell (1) rotation, be provided with worm wheel (12) on worm wheel (11), worm wheel (12) meshing, worm wheel (13) are located the screw thread type (14) on one end (13) on the first screw thread type (14) on the first end (13), first screw thread piece (15) slidable mounting is provided with first clamping jaw (16) on the top in drain pan (1) outside in one side lateral wall of drain pan (1), be provided with second screw rod (17) on the other end of worm wheel (11), threaded connection has second screw thread piece (18) on second screw rod (17), second screw thread piece (18) slidable mounting is provided with second clamping jaw (19) on the top in drain pan (1) outside in second screw thread piece (18), slump section of thick bamboo (2) are located between first clamping jaw (16) and second clamping jaw (19), be provided with installation piece (20) on the outer wall of one side of drain pan (1), be provided with scale bar (21) on installation piece (20), movable mounting has horizon bar (22) on scale bar (21).

2. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: the slump cone (2) is conical, the upper end and the lower end of the slump cone are both openings, and the diameter of the opening at the upper end is smaller than that of the opening at the lower end.

3. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: a plurality of guide rods (23) are arranged on the top end of the inner wall of the bottom shell (1), each guide rod (23) is located in a corresponding spring (7), and the vibrating plate (8) is slidably mounted on the guide rods (23).

4. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: the vertical sections of the two L-shaped stop blocks (10) are provided with sliding grooves (24), the width of each sliding groove (24) is the same as the diameter of the connecting shaft (5), and the lengths of the two ends of each sliding groove (24) are larger than the diameter of the connecting shaft (5).

5. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: two supporting blocks (25) are arranged at the bottom end of the inner wall of the bottom shell (1), the two supporting blocks (25) are respectively located at two sides of the worm wheel (11), and the first screw (14) and the second screw (17) are respectively rotatably installed in the corresponding supporting blocks (25).

6. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: the first screw (14) and the second screw (17) are identical in specification and opposite in screw direction, and threaded holes mutually matched with the first screw (14) and the second screw (17) are formed in the first threaded block (15) and the second threaded block (18).

7. The concrete detection apparatus for supervision of construction engineering according to claim 1, wherein: the ends of the first clamping jaw (16) and the second clamping jaw (19) close to the slump cone (2) are arc-shaped.