CN213903528U

CN213903528U - Concrete slump detection device that building engineering used

Info

Publication number: CN213903528U
Application number: CN202022234025.1U
Authority: CN
Inventors: 张研究
Original assignee: Suzhou Traffic Engineering Testing Center Co ltd
Current assignee: Suzhou Traffic Engineering Testing Center Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-06
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a concrete slump detection device for construction engineering, which comprises a bottom plate, wherein two groups of side plates are symmetrically fixed on two side edges of the top end of the bottom plate, a first chute is arranged at the center of the side surface of the side plate, a first slide block is slidably connected inside the first chute, a connecting rod is fixed at the center of the side surface of the first slide block, a slump cylinder is fixed at the end part of the connecting rod, a connecting screw hole is arranged at the center of the top end of the first slide block, a vertical rod is connected inside the connecting screw hole, a thread matched with the connecting screw hole is arranged at the bottom end of the side surface of the vertical rod, a cross bar is rotatably connected at the top end of the vertical rod, a handle is arranged at the top end of the cross bar, two groups of second chutes are symmetrically arranged on the side surface of the side plate by taking the first chute as an alignment, a second slide block is slidably connected inside the second chute, a connecting rod is fixed between the centers of the end parts of the second slide blocks, a slump plate is fixed at the center of the side wall of the connecting rod, and an indicator plate is arranged at the end part of the side wall of the connecting rod, and the edge of the opening of the first sliding groove on the side surface of one group of side plates is provided with an indication scale.

Description

Concrete slump detection device that building engineering used

Technical Field

The utility model relates to a concrete slump detection area especially relates to a concrete slump detection device that building engineering used.

Background

The slump of concrete mainly refers to the plasticizing performance and pumpability of concrete, and factors influencing the slump of concrete mainly include grading change, water content, weighing deviation of a weighing apparatus, the dosage of additives, cement temperature and the like which are easy to neglect. Slump refers to the workability of concrete, and the workability refers to the performance of whether the concrete is easy to construct and operate and is uniform and compact, and is a very comprehensive performance including fluidity, cohesiveness and water retention. The influence on the workability mainly comprises the water consumption, the water-cement ratio, the sand rate, the cement variety, the aggregate condition, the time, the temperature, the additive and the like. The slump of concrete is determined according to the conditions of the structural section, the content of reinforcing steel bars, the transportation distance, the pouring method, the transportation mode, the vibrating capability, the climate and the like of a building, and the slump is comprehensively considered when selecting the mixing proportion and is preferably smaller.

The existing concrete slump test method is characterized in that a horn-shaped slump cylinder with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm is used for pouring concrete, tamping is carried out, then the cylinder is pulled up, the concrete generates a slump phenomenon due to self weight, and the height of the highest point of the collapsed concrete is subtracted by the height of the cylinder, namely the slump. When the slump cone is pulled out, the slump cone should be lifted vertically, and if the slump cone moves in the horizontal direction during pulling out, the inner wall of the cone is collided with the tamped concrete in the cone, so that the concrete is collapsed, and the measurement result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem that solve provides a concrete slump detection device that building engineering used, has solved at the in-process of pulling out a slump section of thick bamboo, and a slump section of thick bamboo should vertical mentioning, if a slump section of thick bamboo is in the middle of the process of pulling out, produces in the removal of horizontal direction, then can make the inner wall of a section of thick bamboo touch a section of thick bamboo in by the concrete of tamping, causes the concrete slump, can influence the problem of measuring result.

In order to solve the technical problem, the utility model provides a concrete slump detection device for building engineering, which comprises a bottom plate, wherein two groups of side plates are symmetrically fixed on two side edges of the top end of the bottom plate, a first sliding groove is formed in the center of the side surface of each side plate, a first sliding block is slidably connected in the first sliding groove, a connecting rod is fixed in the center of the side surface of each first sliding block, a slump cylinder is fixed at the end part of each connecting rod, a connecting screw hole is formed in the center of the top end of each first sliding block, a vertical rod is connected in the connecting screw hole, a thread matched with the connecting screw hole is formed in the bottom end of the side surface of the vertical rod, the top end of the vertical rod is rotatably connected with a cross bar, a handle is arranged at the top end of the cross bar, two groups of second sliding grooves are symmetrically formed on the side surfaces of the side plates by taking the first sliding, the center of the side wall of the connecting rod is fixedly provided with a collapse plate, the end part of the side wall of the connecting rod is provided with an indicating plate, and the edge of the opening of the first chute on the side surface of the side plate is provided with indicating scales.

Furthermore, the vertical face of curb plate lateral surface place and the vertical face of bottom plate lateral surface place are same vertical face, first spout runs through curb plate top and bottom setting, the end face and the first spout open face parallel and level of first slider.

Furthermore, the height of the slump cone is equal to that of the side plate, the bottom end of the connecting rod, the bottom end of the slump cone and the bottom end of the first sliding block are located on the same horizontal plane, and the connecting rod and the slump cone are integrated.

Furthermore, the connecting screw hole penetrates through the first sliding block, the length of the thread is equal to the depth of the connecting screw hole, the side face of the transverse bar is in smooth contact with the inner wall of the first sliding groove, and the handle is arranged at the center of the area part of the top end of the transverse bar exceeding the first sliding groove.

Furthermore, the second chute runs through the top end and the bottom end of the side plate, the end face of the second sliding block is parallel to the opening face of the second chute, the bottom end of the collapse plate and the bottom end of the connecting rod are located on the same horizontal plane, and the length of the collapse plate is equal to the vertical distance from the vertical central line of the second chute to the vertical central line of the first chute.

Furthermore, indicate that the scale is total two sets of and the symmetry sets up first spout opening both edges, the indicator board front end surpasss and indicates the scale tip, indicator board bottom and connecting rod bottom are in same horizontal plane.

The technical scheme of the utility model the in-process that the device that provides can solve pulling out a slump section of thick bamboo, a slump section of thick bamboo should vertical mentioning, if a slump section of thick bamboo is in the middle of the process of pulling out, produces in the removal of horizontal direction, then can make the inner wall of a section of thick bamboo touch a section of thick bamboo in by the concrete of tamping, causes the concrete to slump, can influence the problem of measuring result. By arranging the side plate, the first sliding groove, the first sliding block, the connecting rod, the connecting screw hole and the threads, the vertical rod is connected with the first sliding block through the matching of the threads and the connecting screw hole, the slump cone is connected with the first sliding block into a whole through the connecting rod, when the slump cone needs to be pulled out, the slump cone can be vertically pulled out only through the handles at two sides by hand under the matching of the first sliding groove and the first sliding block, and the inner wall of the cone is prevented from touching the tamped concrete in the cone; by arranging the indication scales, the second sliding groove, the second sliding block, the connecting rod, the collapse plates and the indication plates, when the collapse degree is measured after the collapse degree cylinder is pulled out, the collapse plates on two sides fall on the leaked concrete surface under the cooperation of the second sliding groove and the second sliding block, the measurement of the collapse degree is carried out by utilizing the cooperation of the indication plates and the indication scales, and the average value of the two can be taken out.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged schematic view of part A of the present invention;

FIG. 4 is a schematic view of the slump measurement structure of the present invention;

fig. 5 is an enlarged schematic view of the part B of the present invention.

Labeled as: the anti-collapse device comprises a bottom plate 1, a side plate 2, a first sliding groove 3, a first sliding block 4, a connecting rod 5, a collapse degree cylinder 6, a connecting screw hole 7, a vertical rod 8, threads 9, a cross bar 10, a handle 11, a second sliding groove 12, a second sliding block 13, a connecting rod 14, a collapse plate 15, an indicating plate 16 and indication scales 17.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figures 1, 2 and 3, the concrete slump detection device for the building engineering comprises a bottom plate 1, two groups of side plates 2 are symmetrically fixed on two side edges of the top end of the bottom plate 1, a vertical surface where the outer side surfaces of the side plates 2 are located and a vertical surface where the side surfaces of the bottom plate 1 are located are the same, a first sliding groove 3 is formed in the center of the side surface of each side plate 2, the first sliding groove 3 penetrates through the top end and the bottom end of each side plate 2, a first sliding block 4 is connected to the inside of each first sliding groove 3 in a sliding mode, the end surface of each first sliding block 4 is flush with the opening surface of each first sliding groove 3, a connecting rod 5 is fixed in the center of the side surface of each first sliding block 4, a slump cone 6 is fixed at the end of each connecting rod 5, the height of each slump cone 6 is equal to the height of each side plate 2, the bottom end of each connecting rod 5, the bottom end of each slump cone 6 and the bottom end of each first sliding block 4 are located on the same horizontal plane, each connecting rod 5 and each slump cone 6 are integrated, a connecting screw hole 7 is formed in the center of the top end of each first sliding block 4, the connecting screw hole 7 penetrates through the first sliding block 4, the connecting screw hole 7 is internally connected with an upright rod 8, the bottom end of the side surface of the upright rod 8 is provided with a thread 9 matched with the connecting screw hole 7, the length of the thread 9 is equal to the depth of the connecting screw hole 7, the top end of the upright rod 8 is rotatably connected with a cross bar 10, the side surface of the cross bar 10 is in smooth contact with the inner wall of the first sliding groove 3, the top end of the cross bar 10 is provided with a handle 11, and the handle 11 is arranged at the center of the area part, exceeding the first sliding groove 3, of the top end of the cross bar 10;

as shown in fig. 4 and 5, two sets of second sliding grooves 12 are symmetrically formed on the side surfaces of the side plates 2 by taking the first sliding grooves 3 as a pair, the second sliding grooves 12 are arranged through the top end and the bottom end of the side plates 2, a second sliding block 13 is slidably connected inside the second sliding grooves 12, the end surfaces of the second sliding block 13 are flush with the opening surface of the second sliding groove 12, a connecting rod 14 is fixed between the centers of the end portions of the second sliding block 13, a collapse plate 15 is fixed at the center of the side wall of the connecting rod 14, the bottom end of the collapse plate 15 and the bottom end of the connecting rod 14 are positioned on the same horizontal plane, the length of the collapse plate 15 is equal to the vertical distance from the vertical center line of the second sliding groove 12 to the vertical center line of the first sliding groove 3, an indication plate 16 is arranged at the end portion of the side wall of the connecting rod 14, an indication scale 17 is arranged at the opening edge of the first sliding groove 3 on the side surface of one set of the side plates 2, two sets of the indication scales 17 are symmetrically arranged at two sets, the two sets of the opening edges of the first sliding groove 3, the front end portions of the indication plate 16 exceeds the indication scale 17, the bottom end of the indicator plate 16 and the bottom end of the connecting rod 14 are at the same level.

When in use, the upright rod 8 is fixedly connected with the first slide block 4 by the matching of the screw thread 9 and the connecting screw hole 7, then the first slide block 4 is matched with the first slide groove 3, the collapse degree cylinder 6 is placed on the bottom plate 1 by the handheld handle 11, the concrete to be measured is loaded into the collapse degree cylinder 6, the concrete to be measured can be vibrated in an auxiliary manner by the waste reinforcing steel bars on site while being loaded, after the vibration is finished, an operator can handle the handles 11 on two sides to take out the collapse degree cylinder 6, the collapse degree cylinder 6 is vertically pulled out by the matching of the first slide block 4 and the first slide groove 3, the inner wall of the cylinder is prevented from touching the compacted concrete in the cylinder, finally, the collapse degree is measured, the connecting rod 14 is installed between the two groups of second slide grooves 12 by the matching of the second slide block 13 and the second slide grooves 12, the connecting rod freely falls down until the falling plate 15 is contacted with the concrete, at the moment, the indicating plate 16 and the indicating scale 17 are observed, the slump value can be obtained, the average value of the readings on the two sides can be taken, and the measurement precision is improved. The device solves the problem that when the slump cone is pulled out, the slump cone should be vertically lifted, if the slump cone moves in the horizontal direction in the pulling-out process, the inner wall of the cone can touch tamped concrete in the cone to cause concrete slump, so that the measuring result can be influenced, and the measuring precision is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a concrete slump detection device that building engineering used, includes bottom plate (1), its characterized in that: two groups of side plates (2) are symmetrically fixed on the edges of two sides of the top end of the bottom plate (1), a first sliding groove (3) is formed in the center of the side face of each side plate (2), a first sliding block (4) is connected to the inside of each first sliding groove (3) in a sliding mode, a connecting rod (5) is fixed at the center of the side face of each first sliding block (4), a slump cone (6) is fixed at the end portion of each connecting rod (5), a connecting screw hole (7) is formed in the center of the top end of each first sliding block (4), a vertical rod (8) is connected to the inside of each connecting screw hole (7), threads (9) matched with the connecting screw holes (7) are formed in the bottom end of the side face of each vertical rod (8), a transverse strip (10) is connected to the top end of each vertical rod (8) in a rotating mode, a handle (11) is arranged at the top end of each transverse strip (10), two groups of second sliding grooves (12) are symmetrically formed by the side faces of the first sliding grooves (3), the inner sliding connection of the second sliding groove (12) is provided with a second sliding block (13), a connecting rod (14) is fixed between the centers of the end portions of the second sliding block (13), a collapsing plate (15) is fixed at the center of the side wall of the connecting rod (14), an indicating plate (16) is arranged at the end portion of the side wall of the connecting rod (14), and an indicating scale (17) is arranged on the opening edge of the first sliding groove (3) on the side face of the side plate (2).

2. The concrete slump detecting device for construction engineering according to claim 1, wherein: the vertical face in curb plate (2) lateral surface place and the vertical face in bottom plate (1) side place are same vertical face, curb plate (2) top and bottom setting are run through in first spout (3), the terminal surface and the first spout (3) opening face parallel and level of first slider (4).

3. The concrete slump detecting device for construction engineering according to claim 1, wherein: the height of the slump cone (6) is equal to that of the side plate (2), the bottom end of the connecting rod (5), the bottom end of the slump cone (6) and the bottom end of the first sliding block (4) are located on the same horizontal plane, and the connecting rod (5) and the slump cone (6) are integrated.

4. The concrete slump detecting device for construction engineering according to claim 1, wherein: connect screw (7) and run through first slider (4) setting, the length of screw thread (9) equals the degree of depth of connecting screw (7), horizontal bar (10) side and first spout (3) inner wall smooth contact, handle (11) set up and surpass the regional partial center of first spout (3) on horizontal bar (10) top.

5. The concrete slump detecting device for construction engineering according to claim 1, wherein: the second sliding groove (12) penetrates through the top end and the bottom end of the side plate (2), the end face of the second sliding block (13) is flush with the opening face of the second sliding groove (12), the bottom end of the collapse plate (15) and the bottom end of the connecting rod (14) are located on the same horizontal plane, and the length of the collapse plate (15) is equal to the vertical distance from the vertical center line of the second sliding groove (12) to the vertical center line of the first sliding groove (3).

6. The concrete slump detecting device for construction engineering according to claim 1, wherein: indicate scale (17) total two sets of and the symmetry sets up first spout (3) opening both edges, indicator board (16) front end surpasss and indicates scale (17) tip, indicator board (16) bottom and connecting rod (14) bottom are in same horizontal plane.