CN212207378U

CN212207378U - Slump measuring device

Info

Publication number: CN212207378U
Application number: CN202020667762.8U
Authority: CN
Inventors: 刘超
Original assignee: Tianjin Sanhe Construction Engineering Co ltd
Current assignee: Tianjin Sanhe Construction Engineering Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-22
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a slump measuring device relates to building processing auxiliary assembly technical field, the on-line screen storage device comprises a base, two guide slots have set firmly perpendicularly on the base, go up and down between two guide slots and set up a slump section of thick bamboo, a slump section of thick bamboo is both ends open-ended cone and its upper end opening diameter is less than its lower extreme opening diameter, is provided with two spinal branch poles on the slump section of thick bamboo lateral wall relatively, and two spinal branch poles stretch into two guide slot insidely respectively and slide along the guide slot, still is provided with the drive assembly of the synchronous elevating movement of two spinal branch poles of drive on two guide slots, still is provided with the dipperstick that is vertical setting on the base. The utility model discloses can control a slump section of thick bamboo translation that makes progress accurately, rock about removing the in-process can not take place, reduce the error that manual operation causes, measure the data of slump accurately.

Description

Slump measuring device

Technical Field

The utility model relates to a building processing auxiliary assembly technical field especially relates to a slump measuring device.

Background

Slump is an important index for evaluating the plasticizing performance and the pumpability of concrete. Slump is mainly the workability of concrete, and specifically the ease with which the concrete can be handled and compacted uniformly. Workability is a very combination of properties including flow, cohesion and water retention. When measuring slump, generally, a horn-shaped slump measuring device with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm is used for pouring concrete for three times, a tamping hammer is used for uniformly knocking 25 times along the cylinder wall from outside to inside after the concrete is poured every day, the concrete is tamped and leveled, then the slump measuring device is pulled up, the concrete generates a slump phenomenon due to self weight, after 30 seconds or the concrete does not generate the slump phenomenon any more, the height of the highest point of the slump is subtracted from the height of a slump cylinder, and the obtained numerical value is the slump.

The patent publication number is CN 206684159U's chinese patent, has proposed a slump testing arrangement, including steel sheet, slump bobbin body, the lateral wall of slump bobbin body is equipped with at least a pair of first mounting, and first mounting is located the bottom of slump bobbin body, corresponds first mounting on the steel sheet and is equipped with the second mounting, and first mounting and the cooperation of second mounting can fix slump bobbin body on the steel sheet.

However, when mentioning slump cone body, lean on operating personnel to rely on experience to mention slump cone body is vertical usually, and operating personnel can not exert oneself evenly when lifting slump cone body, and the atress is inhomogeneous when making slump cone body rebound, leads to mentioning behind the slump cone body, and the height when the concrete slump receives the influence to influence slump test result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a slump measuring device can control a slump section of thick bamboo and make progress the translation accurately, and rock about can not taking place at the removal in-process, reduces the error that manual operation causes, measures the data of slump accurately.

The utility model discloses a can realize through following technical scheme: the utility model provides a slump measuring device, includes the base, two guide slots have set firmly perpendicularly on the base, two go up and down between the guide slot and be provided with a slump section of thick bamboo, a slump section of thick bamboo is both ends open-ended cone and its upper end opening diameter is less than its lower extreme opening diameter, be provided with two branches on the slump section of thick bamboo lateral wall relatively, two branch stretches into two respectively the guide slot is inside and follows the guide slot slides, two still be provided with the drive two on the guide slot branch synchronous lifting motion's drive assembly, still be provided with the dipperstick that is vertical setting on the base.

Through adopting above-mentioned technical scheme, two spinal branch downstream of drive, compress tightly the slump cone on the base, pour into the volume of awaiting measuring concrete from slump cone upper end opening part, fill up the slump cone after, two spinal branch synchronous upward movements of drive, drive the vertical upwards translation of slump cone, concrete wherein breaks away from the restriction of slump cone, begin the diffusion on the base, utilize the dipperstick to measure the difference in height between diffusion back concrete upper surface and the base at last, at the final concrete numerical value that obtains the slump through the conversion. The utility model discloses can the vertical translation that upwards carries out of accurate control slump section of thick bamboo, compare with manual operation, can not take place to rock in the motion process, reduce its influence to concrete slump measurement.

Further setting the following steps: the driving assembly comprises a lifting rack clamped inside the guide groove in a sliding mode, the supporting rod extends into the guide groove and is fixedly connected with the lifting rack, the supporting rod is fixedly connected to the upper end of the guide groove, a lifting shaft is arranged on the supporting rod in a rotating mode, lifting gears are fixedly arranged at two ends of the lifting shaft, and the lifting gears are respectively in meshing transmission with the lifting rack.

Through adopting above-mentioned technical scheme, the manual work rotates the lift axle, and two lifting gear synchronous rotations are in the meshing transmission through lifting gear and lifting rack, drive two lifting rack synchronous lifting to drive the translation of slump section of thick bamboo along vertical direction, and reduce rocking that takes place at the translation in-process, reduce its influence to slump measurement.

Further setting the following steps: and the bottom of the slump cone is fixedly provided with a sucking disc on the peripheral side.

Through adopting above-mentioned technical scheme, when slump section of thick bamboo bottom was supported tightly on the base, the sucking disc can firmly be inhaled a slump section of thick bamboo on the base, has avoided having had the gap between a slump section of thick bamboo and the base, and the concrete spills from the gap, influences the measuring result of slump, is favorable to measuring the slump of concrete more accurately.

Further setting the following steps: the level is provided with on the slump section of thick bamboo lateral wall and is used for detecting whether the slump section of thick bamboo is in the spirit level of horizontal position.

Through adopting above-mentioned technical scheme, whether the spirit level can its motion process of real-time supervision take place to rock at slump section of thick bamboo translation in-process, in case take place to rock and exist its influence to concrete slump measurement promptly, need repeated whole experiment, the setting of spirit level can improve slump measurement's accuracy effectively.

Further setting the following steps: a slump section of thick bamboo upper end opening part can be dismantled and be provided with the filling funnel, a draw-in groove has been seted up to slump section of thick bamboo upper end, the tip under the filling funnel with the cooperation is pegged graft to the draw-in groove.

Through adopting above-mentioned technical scheme, the setting of canning funnel has enlarged the feed end diameter of a slump section of thick bamboo, is convenient for to the inside concrete of carrying of a slump section of thick bamboo, avoids the concrete to spill and reduces the degree of difficulty to the inside filling of a slump section of thick bamboo when a slump section of thick bamboo is outside, makes things convenient for workman's operation and is favorable to improving the slump measuring precision.

Further setting the following steps: the rack has set firmly on the slump section of thick bamboo lateral wall, the inside joint of rack is used for the tamping the rammer of the inside concrete of slump section of thick bamboo.

Through adopting above-mentioned technical scheme, need divide the three-layer to shift when shifting the concrete to the inside slump section of thick bamboo, every shifts once and utilizes the rammer to its tamping, then shifts next time, avoids the inside concrete pile of slump section of thick bamboo loose, influences the measuring result of slump.

Further setting the following steps: and an observation window is formed in the side wall of the slump cone.

Through adopting above-mentioned technical scheme, utilize the observation window to observe the condition of piling up of the inside concrete of slump section of thick bamboo, look over whether it is the compaction, avoid the inside sneak gas of slump section of thick bamboo, influence final slump measurement result.

Further setting the following steps: the dipperstick is cylindrically, and sets firmly perpendicularly on the base, can dismantle the cover through the bolt on the dipperstick and be equipped with the horizon bar, the horizon bar bottom has set firmly the scraper blade along its length direction.

By adopting the technical scheme, during measurement, the horizontal rod is rotated to be abutted against the upper surface of the concrete, then the numerical value on the measuring scale is read, and the measured numerical value is subtracted from the height of the slump cone to obtain the slump accurate numerical value; before slump measurement, the horizontal rod is rotated, and sundries on the base can be hung by the scraper, so that the influence of the scraper on the slump measurement is avoided; when the slump is measured and is rotated horizontal pole, can be with the inside concrete floating of slump section of thick bamboo to rather than the state of upper end opening part parallel and level, accurate control concrete height is favorable to improving the slump measuring precision.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the utility model discloses a translation that makes progress accurately is controlled to the meshing control slump section of thick bamboo of lifting gear and lifting rack, can not take place to control at the removal in-process and rock, reduces the error that manual operation causes, measures the data of slump accurately.

(2) After the slump cone is tightly supported on the base through the lifting gear and the lifting rack, the slump cone is firmly fixed on the base by being assisted with the sucker, so that the concrete leakage is avoided, and the slump measurement data is influenced.

(3) The setting of observation window and rammer can be effectively tamped the inside concrete of a slump section of thick bamboo for the measurement of concrete slump is more accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is the overall structure of the utility model II (mainly showing the observation hole and the level meter)

3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 3 1 3. 3

Reference numerals: 1. a base; 2. a guide groove; 3. a slump cone; 4. a strut; 5. measuring a scale; 6. a lifting rack; 7. a support bar; 8. a lifting shaft; 9. a lifting gear; 10. a suction cup; 11. a level gauge; 12. an observation window; 13. placing a rack; 14. a rammer; 15. a horizontal bar; 16. a squeegee; 17. filling a funnel; 18. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, for the utility model discloses a slump measuring device, including base 1, be provided with two guide slots 2 on the base 1 perpendicularly, 2 intervals of two guide slots set up and two vertical lifts between the guide slot 2 are provided with a slump section of thick bamboo 3. The slump cone 3 is a hollow cone with two open ends, and the diameter of the upper end opening of the slump cone 3 is smaller than that of the lower end opening thereof. The slump cone 3 is of a standard size, and the specific size is 100mm at the upper opening, 200mm at the lower opening and 300mm in height. The axis of the slump cone 3 is positioned in a plane enclosed by the connecting line of the two guide grooves 2. The fixed two spinal branch poles 4 that are provided with on the 3 lateral walls of slump section of thick bamboo, two spinal branch poles 4 set up respectively in the both sides of a slump section of thick bamboo 3, and two spinal branch poles 4 stretch into two respectively the inside length direction that can postpone of guide slot 2 slides. The guide groove 2 is also provided with a driving component for driving the two support rods 4 to synchronously lift, and the base 1 is also provided with a measuring scale 5 for measuring the height of the concrete. Support a slump section of thick bamboo 3 tightly on base 1 back, to its inside concrete of pouring into, fill up two spinal branch 4 synchronous upward movement of drive behind the concrete for slump section of thick bamboo 3 can make progress parallel translation vertically, reduce its rocking in the motion process, avoid its influence to concrete slump measurement accuracy.

Referring to fig. 1, the synchronous lifting motion of the two supporting rods 4 is realized by a driving assembly: the driving assembly comprises a lifting rack 6 arranged inside the guide groove 2 in a sliding mode, the lifting rack 6 is arranged along the length direction of the guide groove 2, and the sliding clamp is connected inside the guide groove 2. Two branches 4 all set up along the 3 axis of slump section of thick bamboo and 2 line directions of guide slot, and two branches 4 stretch into two inside guide slot 2 respectively and connect 6 fixed connection in the lifting rack wherein with the slip card. The upper end parts of the two guide grooves 2 are fixedly connected with a support rod 7, and the support rod 7 is horizontally arranged along the connecting line direction of the two guide grooves 2. The upper surface of the supporting rod 7 is rotatably provided with a lifting shaft 8 along the length direction, and the axial direction of the lifting shaft 8 is consistent with the length direction of the supporting rod 7. Lifting gears 9 are fixedly arranged at two ends of the lifting shaft 8, and the two lifting gears 9 are respectively in meshed transmission connection with the lifting racks 6 at the same side. The manual work rotates lift axle 8, and two lifting gear 9 synchronous rotations are in the meshing transmission through lifting gear 9 and lifting rack 6, drive two lifting rack 6 synchronous lifting to drive slump cone 3 along vertical direction translation, and reduce rocking of taking place at the translation in-process.

Referring to fig. 2 and 3, 3 bottoms of slump cone have set firmly sucking disc 10 in its week side, and sucking disc 10 bottom and 3 bottom parallel and level of slump cone firmly inhale slump cone 3 on base 1, have avoided there being the gap between slump cone 3 and the base 1, and the concrete spills from the gap, influences the measuring result of slump. The opening part of the upper end part of the slump cone 3 can be dismantled and is provided with a filling funnel 17, a clamping groove 18 has been seted up at the upper end part of the slump cone 3, the lower tip of the filling funnel 17 with the cooperation of pegging graft of the clamping groove 18 is convenient for to the inside concrete of carrying of the slump cone 3, avoids the concrete to spill outside the slump cone 3 simultaneously.

Referring to fig. 1 and 2, a level gauge 11 is horizontally provided at the upper middle portion of the side wall of the slump cone 3 for detecting whether the whole of the slump cone 3 is at a horizontal position. Thereby whether detect slump section of thick bamboo 3 and take place to rock in whole motion process, avoid rocking and measure to produce the influence to the slump. Be fixed with rack 13 on 3 lateral walls of slump section of thick bamboo on 11 relative positions with the spirit level, the joint is provided with rammer 14 on rack 13 for concrete tamping in the slump section of thick bamboo 3 eliminates its inside air, thereby makes the measuring result of slump more accurate. The observation window 12 has been seted up along vertical direction on 3 lateral walls of slump section of thick bamboo for observe the condition of piling up of 3 inside concrete of slump section of thick bamboo, look over whether it compacts, avoid 3 inside sneak gas in slump section of thick bamboo, influence final slump measuring result.

Referring to fig. 2 and 3, the measuring scale 5 is cylindrical and is vertically fixed on the upper surface of the base 1, and a horizontal rod 15 is movably sleeved on the measuring scale 5 and fixedly connected with the measuring scale 5 through a bolt. The horizontal rod 15 is perpendicular to the measuring scale 5, and a scraper 16 is fixed at the bottom of the horizontal rod 15 along the length direction. When the slump cone 3 is not tightly propped against the base 1, the horizontal rod 15 is rotated to hang the residual concrete and other sundries on the base 1; when the slump cone 3 is tightly propped against the base 1 and concrete is poured into the base, the horizontal rod 15 is rotated to hang the upper surface of the concrete, so that the highest position of the slump cone 3 is flush with the upper end surface of the slump cone 3; when the slump cone 3 is lifted and the highest point of the concrete does not descend any more, the horizontal rod 15 is rotated to enable the lower end surface of the horizontal rod to be flush with the upper end surface of the concrete, the height difference between the upper end surface of the concrete and the bottom plate is measured, and the slump value of the concrete to be measured can be obtained by subtracting the height difference from the height of the slump cone 3.

The utility model discloses a theory of operation and beneficial effect do: rotating lifting shaft 8, driving slump cone 3 to support tightly on base 1, then through the canned funnel to the inside filling concrete of slump cone 3, the filling is accomplished the back and is screeded concrete upper surface and 3 up end of slump cone with horizontal pole 15, utilize lifting shaft 8 drive slump cone 3 to move upwards afterwards, the concrete collapses downwards, when it is not collapsing downwards, place horizontal pole 15 in the concrete upper surface, measure the difference in height between concrete up end and the bottom plate, obtaining the slump value of the concrete that awaits measuring through the conversion. The utility model aims at providing a slump measuring device can control slump section of thick bamboo 3 and make progress the translation accurately, and rock about can not taking place at the removal in-process, reduces the error that manual operation causes, measures the data of slump accurately.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A slump measurement device, characterized in that: including base (1), two guide slots (2) have set firmly perpendicularly on base (1), two go up and down to be provided with slump cone (3) between guide slot (2), slump cone (3) are both ends open-ended cone and its upper end opening diameter is less than its lower extreme opening diameter, be provided with two branch (4) on slump cone (3) lateral wall relatively, two branch (4) stretch into two respectively guide slot (2) are inside and follow guide slot (2) slide, two still be provided with the drive on guide slot (2) two branch (4) synchronous elevating movement's drive assembly, still be provided with dipperstick (5) that are vertical setting on base (1).

2. A slump measuring apparatus according to claim 1, wherein: drive assembly including slip joint in inside lifting rack (6) of guide slot (2), branch (4) stretch into guide slot (2) inside and with lifting rack (6) fixed connection, two guide slot (2) upper end fixedly connected with bracing piece (7), it is provided with lift axle (8) to rotate on bracing piece (7), lift axle (8) both ends have all set firmly lifting gear (9), two lifting gear (9) respectively with two lifting rack (6) meshing transmission.

3. A slump measuring apparatus according to claim 1, wherein: the bottom of the slump cone (3) is fixedly provided with a sucker (10) on the peripheral side.

4. A slump measuring apparatus according to claim 1, wherein: level is provided with on the slump section of thick bamboo (3) lateral wall and is used for detecting whether slump section of thick bamboo (3) are in spirit level (11) of horizontal position.

5. A slump measuring apparatus according to claim 1, wherein: slump section of thick bamboo (3) upper end opening part can be dismantled and be provided with filling funnel (17), draw-in groove (18) have been seted up to slump section of thick bamboo (3) upper end, filling funnel (17) lower tip with draw-in groove (18) are pegged graft the cooperation.

6. A slump measuring apparatus according to claim 1, wherein: a placing frame (13) is fixedly arranged on the side wall of the slump cone (3), and a tamping hammer (14) used for tamping concrete in the slump cone (3) is clamped in the placing frame (13).

7. The slump measuring device according to claim 6, wherein: an observation window (12) is arranged on the side wall of the slump cone (3).

8. A slump measuring apparatus according to claim 1, wherein: dipperstick (5) are cylindrically, and set firmly perpendicularly on base (1), can dismantle the cover through the bolt on dipperstick (5) and be equipped with horizon bar (15), horizon bar (15) bottom has set firmly scraper blade (16) along its length direction.