CN213148941U

CN213148941U - A device for measuring the slump of concrete

Info

Publication number: CN213148941U
Application number: CN202022148585.5U
Authority: CN
Inventors: 刘鑫; 杨东锋
Original assignee: Shaanxi Hanjia Construction Technology Co ltd
Current assignee: Shaanxi Hanjia Construction Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-07
Anticipated expiration: 2030-09-25

Abstract

The application relates to a concrete slump measuring device, and relates to the field of concrete testing equipment, which includes a bottom plate, a slump cylinder, an adjustment assembly, a support frame, a guide assembly, a first drive assembly and a measurement assembly. The slump cylinder is placed On the base plate, the adjustment assembly is used to adjust the base plate to keep the level. The guide assembly includes a guide block and a guide rod. The guide block and the slump cylinder are fixedly connected. The guide block can slide along the axial direction of the guide rod. The measurement assembly includes two scales, The measuring rod and the level, the ruler and the base plate are fixedly connected, the measuring rod and the ruler are slidingly connected, and the level and the measuring rod are fixedly connected; when in use, the first drive component drives the slump cylinder to lift, and the guide component has a vertical guiding effect on the lifting process. When measuring, keep the measuring rod horizontal by observing the level, and then observe the indications of the two rulers, and calculate the average of the two indications to be the height of the concrete. The present application has the effect of improving the accuracy of test results.

Description

Concrete slump survey device

Technical Field

The application relates to the field of concrete detection equipment, in particular to a concrete slump measuring device.

Background

The slump of concrete mainly refers to the plasticizing performance and the pumpability of concrete, and particularly refers to the measured value of the fluidity of concrete mixture when the plasticity and the water retention of the concrete mixture meet the requirements. The slump value reflects the workability of the concrete, and the workability of the concrete refers to whether the concrete is easy to construct and operate and uniform and compact performance.

At present, the correlation technique discloses a concrete slump survey standard device as application document that application number is 201620191765.2, including slump cone body, slump cone body is hollow round platform form, slump cone body upper portion is provided with the handle, and the lower part is provided with pedal, still be provided with the visual window on the slump cone body, install transparent baffle on the visual window. During the use, the staff pours the concrete into the slump originally internally, and when the concrete completely with the slump section of thick bamboo fill up the back, tamp this internal concrete of slump section of thick bamboo with the tamper, in real time, also can be more clear through transparent baffle see the process that the tamper tamped the concrete, the staff upwards pulls out the slump section of thick bamboo body again until breaking away from the concrete completely, reuses the dipperstick and measures the height of concrete and do the difference with the height of slump section of thick bamboo body, can record the slump value.

Aiming at the related technologies, the inventor thinks that when workers lift the slump cone body, the slump cone body is greatly influenced by human factors, and the slump test result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to reduce the staff and cause the possibility of slump section of thick bamboo slope when upwards mentioning slump section of thick bamboo body, improve the accuracy of slump test result, this application provides a concrete slump survey device.

The application provides a concrete slump surveys device adopts following technical scheme:

a concrete slump measuring device comprises a bottom plate, a slump cylinder, a support frame, a guide assembly and a first driving assembly, the slump cone is arranged on the bottom plate, the support frame is connected with the bottom plate, the guide assembly comprises a guide block and a guide rod, the guide rod is fixedly connected with the support frame, the axis of the guide rod is arranged along the vertical direction, the guide block is fixedly connected with the slump cone and can slide along the guide rod, the first driving component comprises a first motor, a gear and a rack, a shell of the first motor is fixedly connected with the supporting frame, the output shaft of the first motor is fixedly connected with the gear, the rack is fixedly connected with the slump cone, the length direction of the rack is parallel to the axial direction of the guide rod, and the rack is meshed with the gear.

Through adopting above-mentioned technical scheme, fill the slump section of thick bamboo with the concrete, accomplish the tamping work back, the staff upwards promotes the slump section of thick bamboo, start first motor during the promotion earlier, the output shaft of first motor drives gear revolve, drive the rack removal with gear engagement during gear revolve, thereby upwards promote the slump section of thick bamboo, because guide block and slump section of thick bamboo fixed connection, and the axial of guide bar is vertical setting, promote the guide bar of in-process and have the guide effect of vertical direction to the slump section of thick bamboo, the problem that the slump section of thick bamboo inclines when having reduced the staff upwards promotes the slump section of thick bamboo has been caused, the accuracy of test result is improved.

Optionally, the measuring device further comprises a measuring assembly, the measuring assembly comprises two scales and two measuring rods, the scales are fixedly connected with the bottom plate, the axes of the scales are parallel to the axis of the guide rod, the measuring rods are rotatably connected with any one of the scales, and the measuring rods can slide along the axes of the scales rotatably connected with the measuring rods.

Through adopting above-mentioned technical scheme, when highly measuring the concrete that mixes, rotate the measuring stick along arbitrary scale, when rotating measuring stick one end and another scale contact, with the axial slip of measuring stick along the scale, when the measuring stick slides the outer wall and the concrete contact of measuring stick, stop sliding, observe the registration of two scales, calculate the average number of two registrations again, can record the height of concrete, error when above-mentioned operation can effectively reduce the measurement, the accuracy of test result has been improved.

Optionally, the measuring rod is fixedly connected with a level gauge.

Through adopting above-mentioned technical scheme, the accessible is observed the datum line of spirit level when measuring the concrete height and is in order to adjust the height at measuring stick both ends for the measuring stick keeps the level, error when can effectively reduce the measurement.

Optionally, the support frame may be slidably connected to the bottom plate, and a sliding direction of the support frame is perpendicular to an axial direction of the guide rod.

Through adopting above-mentioned technical scheme, promote a slump section of thick bamboo to with the concrete after complete separation, promote the support frame and slide along the bottom plate, drive a slump section of thick bamboo when the support frame slides and move towards the direction of keeping away from measuring component, increased staff's operating space, the staff of being convenient for highly measures the concrete.

Optionally, the portable electronic device further comprises a second driving assembly, the second driving assembly comprises a first screw and a second motor, the first screw is in threaded connection with the supporting frame, a casing of the second motor is fixedly connected with the bottom plate, and an output shaft of the second motor is fixedly connected with the first screw.

Through adopting above-mentioned technical scheme, when removing the support frame, start the second motor earlier, the output shaft of second motor drives first screw rod and rotates, because first screw rod and support frame threaded connection to the support frame can slide along the bottom plate, consequently can drive the support frame and slide along the bottom plate when first screw rod rotates, does not need manual operation, has improved work efficiency.

Optionally, the adjustable support further comprises at least one group of adjusting assembly, the adjusting assembly comprises a connecting seat, a second screw rod and a base plate, the connecting seat is fixedly connected with the bottom plate, the second screw rod is in threaded connection with the inside of the connecting seat, and the base plate is fixedly connected with one end, far away from the bottom plate, of the second screw rod.

Through adopting above-mentioned technical scheme, when the ground is uneven, rotate the height that the bottom plate can be adjusted with ground to make the bottom plate keep the level, the backing plate can make the survey device remain stable in the use, has improved the accuracy of test result.

Optionally, a first through hole has been seted up to slump section of thick bamboo lateral wall, first through hole with the inside intercommunication of slump section of thick bamboo, first through hole inner wall fixedly connected with transparent baffle.

Through adopting above-mentioned technical scheme, to the concrete tamping in the slump section of thick bamboo in-process, can observe the condition of the concrete in the slump section of thick bamboo through transparent baffle to ensure that the concrete is tamped completely, improved the accuracy of test result.

Optionally, the side wall of the bottom plate is fixedly connected with a handle.

By adopting the technical scheme, the measuring device is convenient for workers to move, and the portability of the measuring device is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the concrete slump measuring device is provided with the guide assembly and the first driving assembly, the first driving assembly drives the slump cone to lift, the guide assembly guides the slump cone in the vertical direction, the problem that the slump cone inclines when the slump cone is lifted manually is solved, and the accuracy of a test result is improved;

2. the application provides a pair of concrete slump survey device's measuring component includes two scales, observes the scale registration and can obtain two numerical values during the measurement, calculates the average number of two numerical values and is the height of concrete promptly, has effectively reduced measuring error.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Description of reference numerals: 1. a base plate; 11. a handle; 12. a slide rail; 2. a slump cone; 21. a first through hole; 22. a transparent baffle; 3. an adjustment assembly; 31. a connecting seat; 32. a second screw; 33. a base plate; 4. a support frame; 41. a first vertical plate; 411. a threaded hole; 42. a second vertical plate; 43. a transverse plate; 44. a chute; 5. a second drive assembly; 51. a first screw; 52. a second motor; 6. a guide assembly; 61. a guide block; 611. a second through hole; 62. a guide bar; 7. a first drive assembly; 71. a first motor; 72. a gear; 73. a rack; 74. connecting blocks; 8. a measurement assembly; 81. a scale; 811. calibration; 82. a measuring rod; 83. a level gauge; 84. the sleeve is rotated.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses concrete slump survey device. Referring to fig. 1, a concrete slump measuring apparatus includes a base plate 1, a slump cone 2, an adjusting unit 3, a support frame 4, a second driving unit 5, a guide unit 6, a first driving unit 7 and a measuring unit 8.

Referring to fig. 1, a bottom plate 1 is rectangular, two handles 11 are welded on the side wall of the bottom plate 1, and four groups of adjusting assemblies 3 are arranged and distributed at four right angles of the bottom plate 1; the adjusting component 3 comprises a connecting seat 31, a second screw rod 32 and a backing plate 33, the connecting seat 31 is welded with the bottom plate 1, the connecting seat 31 is in a hollow cylindrical shape, the second screw rod 32 is in threaded connection with the inner wall of the connecting seat 31, and the backing plate 33 is welded with one end of the second screw rod 32 far away from the bottom plate 1.

Referring to fig. 1, slump section of thick bamboo 2 is placed on bottom plate 1, slump section of thick bamboo 2 sets up truncated cone type round platform welding by two cavitys and constitutes, the round platform height that is located the upper strata is less than the round platform height that is located the lower floor, first through-hole 21 has been seted up to slump section of thick bamboo 2 lateral wall, first through-hole 21 and the inside intercommunication of slump section of thick bamboo 2, slump section of thick bamboo 2 lateral wall adopts screw fixedly connected with transparent baffle 22 in first through-hole 21 department of correspondence, transparent baffle 22's thickness and slump section of thick bamboo 2 lateral wall's thickness equal, transparent baffle 22's material is colorless transparent toughened glass in this embodiment.

Referring to fig. 1, the support frame 4 includes a first vertical plate 41, a second vertical plate 42 and a horizontal plate 43, the first vertical plate 41 and the second vertical plate 42 are respectively arranged along a vertical direction, the horizontal plate 43 is horizontally arranged, one end of the first vertical plate 41 is welded with one end of the horizontal plate 43, the other end of the second vertical plate 42 is welded with the other end of the horizontal plate 43, a chute 44 is formed in one end, close to the bottom plate 1, of the first vertical plate 41 and one end, close to the bottom plate 1, of the second vertical plate 42, the chute 44 is a T-shaped chute, two slide rails 12 are welded on the bottom plate 1, the length direction of each slide rail 12 is perpendicular to the length direction of the horizontal plate 43, the two slide rails 12 are arranged in;

referring to fig. 1, the second driving assembly 5 can drive the supporting frame 4 to slide, the second driving assembly 5 includes a first screw 51 and a second motor 52, a threaded hole 411 is formed in one end of the first vertical plate 41 close to the bottom plate 1, the first screw 51 is in threaded connection with the threaded hole 411, a housing of the second motor 52 is fixedly connected with the bottom plate 1 through a screw, and an output shaft of the second motor 52 is fixedly connected with one end of the first screw 51 through a coupler.

Referring to fig. 1, guide assembly 6 includes guide block 61 and guide bar 62, guide bar 62 one end and diaphragm 43 welding other end welding have the connecting rod, connecting rod one end and the welding of guide bar 62 welding other end and second riser 42 weld, the axis of guide bar 62 is vertical setting, guide block 61 and the welding of slump section of thick bamboo 2 outer wall, guide block 61 lateral wall has run through along vertical direction and has seted up second through-hole 611, guide block 61 locates the guide bar 62 outer wall through second through-hole 611 cover, guide block 61 can be followed the axis direction of guide bar 62 slides.

Referring to fig. 1, the first driving assembly 7 includes a first motor 71, a gear 72 and a rack 73, a housing of the first motor 71 is fixedly connected with the first vertical plate 41 by a screw, an output shaft of the first motor 71 is fixedly connected with the gear 72 by a key, a connecting block 74 is vertically welded to a side wall of the rack 73, the connecting block 74 is welded to an outer wall of the slump cone 2, a length direction of the rack 73 is parallel to an axial direction of the guide rod 62, and the rack 73 can be engaged with the gear 72.

Referring to fig. 1, measuring unit 8 includes scale 81, measuring stick 82 and spirit level 83, scale 81 is equipped with two, scale 811 has been seted up along the axial to scale 81, scale 81 adopts screw fixed connection with bottom plate 1, the axis of scale 81 is parallel with the axis of guide bar 62, the welding of measuring stick 82 one end has the rotation cover 84, measuring stick 82 rotates with arbitrary scale 81 through rotating cover 84 and is connected, the tolerance cooperation that rotates cover 84 inner wall and scale 81 outer wall is clearance fit, it has the jackscrew to rotate cover 84 lateral wall threaded connection, jackscrew one end can with scale 81 butt, measuring stick 82 can follow the axial slip of the scale 81 of being connected with measuring stick 82 rotation, spirit level 83 and measuring stick 82 adopt screw fixed connection.

The implementation principle of the concrete slump measuring device in the embodiment of the application is as follows: before the slump cone 2 is used, the bottom plate 1 is leveled through the adjusting component 3, the height between the bottom plate 1 and the ground can be adjusted by rotating the second screw rod 32 during leveling, and meanwhile, the level meter 83 is observed to ensure that the bottom plate 1 is in a horizontal state.

After leveling is completed, filling the slump cone 2 with concrete, tamping the concrete, observing the condition of the concrete through the transparent baffle 22 in the tamping process, starting the first motor 71 after the concrete is completely tamped, driving the gear 72 to rotate by an output shaft of the first motor 71, driving the rack 73 meshed with the gear 72 to move when the gear 72 rotates, so as to lift the slump cone 2 upwards, guiding the slump cone 2 in the vertical direction by the guide rod 62 in the lifting process, reducing the phenomenon that the slump cone 2 inclines, lifting the slump cone 2 to be completely separated from the concrete, and then closing the first motor 71; then start second motor 52, the output shaft of second motor 52 drives first screw 51 and rotates, because first screw 51 and support frame 4 threaded connection to support frame 4 can slide along slide rail 12, consequently can drive support frame 4 and slide along bottom plate 1 when first screw 51 rotates, when support frame 4 slides to the one side of keeping away from the concrete, can begin to measure.

During the measurement, the staff will measure and rotate along arbitrary scale 81, rotate to when contacting with another scale 81, the staff slowly slides measuring stick 82 along the scale 81 axial, when measuring stick 82 slides to measuring stick 82 outer wall and concrete contact, stop sliding measuring stick 82, then observe the height at the reference line of spirit level 83 with adjustment measuring stick 82 both ends, when spirit level 83's reference line shows level, it is fixed with measuring stick 82 and scale 81 to rotate the jackscrew, note the registration of two scales 81, then calculate the average number of two registrations, be the height of measuring concrete promptly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concrete slump measuring device, characterized in that: comprising a base plate (1), a slump cylinder (2), a support frame (4), a guide assembly (6) and a first drive assembly (7), The slump cylinder (2) is placed on the bottom plate (1), the support frame (4) is connected to the bottom plate (1), and the guide assembly (6) includes a guide block (61) and a guide rod (62), the guide rod (62) is fixedly connected with the support frame (4), the axis of the guide rod (62) is arranged in the vertical direction, and the guide block (61) is connected to the slump The cylinder (2) is fixedly connected, the guide block (61) can slide along the guide rod (62), and the first drive assembly (7) includes a first motor (71), a gear (72) and a rack ( 73), the casing of the first motor (71) is fixedly connected to the support frame (4), the output shaft of the first motor (71) is fixedly connected to the gear (72), the rack (73) is fixedly connected to the slump cylinder (2), the longitudinal direction of the rack (73) is parallel to the axial direction of the guide rod (62), and the rack (73) is connected to the gear (72) ENGAGE.

2. A concrete slump measuring device according to claim 1, characterized in that: further comprising a measuring assembly (8), the measuring assembly (8) comprising a ruler (81) and a measuring rod (82), the There are two scales (81), the scales (81) are fixedly connected with the bottom plate (1), the axis of the scale (81) is parallel to the axis of the guide rod (62), and the measuring rod (82) The measuring rod (82) is rotatably connected with any of the scales (81), and the measuring rod (82) can slide along the axis direction of the scale (81) rotatably connected with the measuring rod (82).

3. A concrete slump measuring device according to claim 2, characterized in that: a level (83) is fixedly connected to the measuring rod (82).

4. A concrete slump measuring device according to claim 1, characterized in that: the support frame (4) can be slidably connected with the bottom plate (1), and the sliding direction of the support frame (4) It is perpendicular to the axial direction of the guide rod (62).

5. A concrete slump measuring device according to claim 4, characterized in that: further comprising a second drive assembly (5), the second drive assembly (5) comprising a first screw (51) and a second drive assembly (5) Two motors (52), the first screw (51) and the support frame (4) are threadedly connected, the casing of the second motor (52) is fixedly connected to the bottom plate (1), the second The output shaft of the motor (52) is fixedly connected with the first screw (51).

6. A concrete slump measuring device according to claim 4, characterized in that: further comprising at least one group of adjustment components (3), the adjustment components (3) comprising a connecting seat (31), a second screw (32) and a backing plate (33), the connecting seat (31) and the bottom plate (1) are fixedly connected, the second screw (32) is screwed into the connecting seat (31), and the backing The plate (33) and the end of the second screw rod (32) away from the bottom plate (1) are fixedly connected.

7. A concrete slump measuring device according to claim 1, characterized in that: the side wall of the slump cylinder (2) is provided with a first through hole (21), and the first through hole ( 21) is communicated with the inside of the slump cylinder (2), and a transparent baffle plate (22) is fixedly connected to the inner wall of the first through hole (21).

8 . The concrete slump measuring device according to claim 1 , wherein a handle ( 11 ) is fixedly connected to the side wall of the bottom plate ( 1 ). 9 .