CN214584691U - Novel concrete slump survey device - Google Patents

Abstract

The utility model discloses a novel concrete slump measuring device, which comprises a test cylinder and a test platform; the test tube is divided into a left half tube and a right half tube, tube bottom connecting plates with first through holes are symmetrically arranged at the bottom ends of the outer side walls of the tube bodies of the left half tube and the right half tube, and first electromagnetic connectors are vertically fixed in the first through holes; the outer side wall of the connecting surface of the left half cylinder and the right half cylinder is also provided with a vertical connecting plate, the vertical connecting plate of the left half cylinder is also provided with a second through hole, and a second electromagnetic connector is arranged in the second through hole; the test platform comprises a bottom plate with three sides provided with fences and a glass dial paved on the bottom plate; the bottom plate at the opening end of the fence is also provided with a scale rod, and a horizontal rod which can slide up and down and rotate on the scale rod is sleeved outside the scale rod. The measuring precision can be effectively improved, the level of the horizontal rod is guaranteed through the matching between the scale rod and the horizontal rod, and the accuracy of a test result is guaranteed.

Description

Novel concrete slump survey device

Technical Field

The utility model relates to a concrete test device field especially relates to a novel concrete slump surveys device.

Background

The concrete slump is an important reference index of concrete mixtures, and through detecting the performance test of the concrete mixtures, test data can be used as concrete mixing ratio adjustment basis and can also be used as concrete construction performance guide basis. The expansion degree is a necessary measurement index of concrete mixtures such as high-lift pumping concrete, underwater concrete, self-compacting concrete and the like, and the main equipment for measuring the parameter is a slump cone, so the accuracy and operability of equipment detection are critical.

At present, concrete slump measuring equipment on the market is mainly a common slump cylinder, is simple in structure and consists of a truncated cone-shaped iron sheet, a cylinder cap and a tamper, and is light in self weight and simple to operate, but the test results are large in difference; the requirement on test operators is high, the test operators need to carry out inserting and tamping and step on the pedals in the operation process, the self weight of the slump cone is light, disturbance, slurry leakage and the like are easy to occur, and the accuracy of a test result is influenced; because the slump cone is generally made of a layer of 1mm iron sheet, the slump cone is easy to deform and the loading amount of concrete mixture is inconsistent, so that the slump height is different from the true value; the test process has a step to promote the slump in the slump cone 3 ~ 7s and accomplish, and this in-process varies from person to person, can not balance during the promotion and rise and touch concrete mixture easily, leads to concrete mixture slump height inaccurate, collapse or shear failure the circumstances such as take place on one side, influence the testing result. Meanwhile, in the existing concrete slump test process, two testers are required to be matched, one tester mainly operates the concrete slump test, the other tester loads and assists the concrete mixture, and the test cannot be completed, so that the test cannot be completed, and the extremely simple test has the defects that two testers are required to be used for testing at the same time, and the labor cost is wasted; when the test is carried out on site, the detection environment meeting the standard requirement cannot be guaranteed due to terrain limitation, and the test result is inaccurate. And the existing slump cone is usually made of rolled iron sheets, so that the condition of incomplete cleaning is easy to occur, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that actually will solve is: in the existing slump test process, because a tester needs to step on the pedal while inserting and tamping, the self weight of the slump test cylinder is light, the conditions of disturbance, slurry leakage and the like easily occur, the accuracy of the test result is influenced, and the test result caused by the self structure of the existing slump test cylinder is inaccurate.

In order to solve the technical problem, the utility model provides a novel concrete slump measuring device, which comprises a test cylinder and a test platform; the test tube is divided into a left half tube and a right half tube, handles are arranged on the outer side walls of the tube bodies of the left half tube and the right half tube, tube bottom connecting plates with first through holes are symmetrically arranged at the bottom ends of the outer side walls of the tube bodies of the left half tube and the right half tube, and first electromagnetic connectors are vertically fixed in the first through holes; the outer side wall of the connecting surface of the left half cylinder and the right half cylinder is also provided with a vertical connecting plate, the vertical connecting plate of the left half cylinder is also provided with a second through hole, and a second electromagnetic connector is arranged in the second through hole; the inner wall of the connecting surface of the left half cylinder is also provided with a positioning groove, and the inner side wall of the connecting surface of the right half cylinder is also provided with a positioning bulge matched with the positioning groove; the test platform comprises a bottom plate with three sides provided with fences and a glass dial paved on the bottom plate; a bottom plate at the opening end of the fence is also provided with a scale rod, and a horizontal rod which can slide and rotate up and down on the scale rod is sleeved outside the scale rod; leveling air bubbles are arranged at four corners of the upper surface of the bottom plate, and leveling bases are arranged at four corners of the lower surface of the bottom plate.

Particularly, the horizontal rod comprises a rod body and a lantern ring, an annular rubber ring is arranged inside the lantern ring, a bolt hole is further formed in the outer side wall of the lantern ring, and the horizontal rod is slidably and rotatably sleeved on the outer side of the scale rod through the bolt and the annular rubber ring.

In particular, the test device also comprises a charging hopper, and the bottom of the charging hopper is inserted into the top of the test cylinder.

Particularly, a cleaning flume is arranged at the bottom of the scale dry bottom along the edge of the bottom plate.

The utility model has the advantages that: the novel device can effectively improve the measurement precision, is convenient to clean and clean due to the design of two half cylinders, and cannot influence the test structure due to the fact that the device cannot be cleaned in place; meanwhile, the level of the horizontal rod is guaranteed through the matching between the scale rod and the horizontal rod, and the accuracy of a test result is guaranteed. Through horizontal bubble cooperation leveling support, reduced to the requirement of test site base face level when outdoor test, increased the general usefulness, liberated the experimenter simultaneously through electromagnetic connector, can accomplish the experiment alone, reduced the human input.

Drawings

FIG. 1 is a schematic view of a structure of a test cartridge in an assembled state.

Fig. 2 is a schematic view of the left half cylinder structure.

Fig. 3 is a plan view of the assembled test cartridge.

FIG. 4 is a front view of the test platform.

FIG. 5 is a top view of the test platform.

Wherein, the test cylinder-1; a left half cylinder-11; a right half cylinder-12; a handle-13; a positioning groove-14; a test platform-2; a rail-21; a cylinder bottom connecting plate-3; a first through hole-31; a first electromagnetic connector-32; a vertical connecting plate-4; a second through hole-41; a second electromagnetic connector-42; a bottom plate-5; a glass dial-51; leveling bubble-52; a leveling base-53; cleaning the launder-54; a graduated rod-6; a horizontal bar-7; a rod-71; a collar-72.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A novel concrete slump measuring device comprises a horn-shaped test cylinder 1 and a test platform 2; the test tube 1 is divided into a left half tube 11 and a right half tube 12, handles 13 are arranged on the outer side walls of the tube bodies of the left half tube 11 and the right half tube 12, tube bottom connecting plates 3 with first through holes 31 are symmetrically arranged at the bottom ends of the outer side walls of the tube bodies of the left half tube 11 and the right half tube 12, and first electromagnetic connectors 32 are vertically fixed in the first through holes 31; the outer side wall of the connecting surface of the left half cylinder 11 and the right half cylinder 12 is also provided with a vertical connecting plate 4, the vertical connecting plate 4 on the left half cylinder 11 is also provided with a second through hole 41, and a second electromagnetic connector 42 is arranged in each second through hole 41; the inner wall of the connecting surface of the left half cylinder 11 is also provided with a positioning groove 14, and the inner side wall of the connecting surface of the right half cylinder 12 is also provided with a positioning bulge matched with the positioning groove 14; the test platform 2 comprises a bottom plate 5 with three sides provided with rails 21 and a glass dial 51 laid on the bottom plate 5; a vertical scale rod 6 is further arranged on the bottom plate 5 at the opening end of the fence 21, and a horizontal rod 7 which can slide and rotate up and down on the scale rod 6 is sleeved outside the scale rod 6; leveling air bubbles 52 are further provided at four corners of the upper surface of the bottom plate 5, and leveling bases 53 are further provided at four corners of the lower surface of the bottom plate 5.

As a preferred embodiment, the horizontal rod 7 includes a rod body 71 and a collar 72, an annular rubber ring is disposed inside the collar 72, a bolt hole is further disposed on an outer side wall of the collar 72, and the horizontal rod 7 is slidably and rotatably sleeved outside the graduated rod 6 through the bolt and the annular rubber ring.

As a preferred embodiment, the test device further comprises a charging funnel, and the bottom of the charging funnel is inserted into the top of the test cylinder.

In a preferred embodiment, the bottom of the graduated rod 6 is provided with a washing flowing water tank 54 along the edge of the bottom plate 5.

The utility model discloses in, 1 stack shell of test section of thick bamboo is rolled up by thickness for 10 mm's steel sheet and is enclosed, and the diameter of suitable for reading 100mm, the diameter of suitable for reading 200mm, high 300mm are cut by the centre and are divided into half a section of thick bamboo on the left side 11 and half a section of thick bamboo on the right side 12. The vertical connecting plate 4 is transversely welded on the outer side wall of the connecting surface of the left half cylinder 11 and the right half cylinder 12 respectively, and a second electromagnetic connector 42 is fixed through a second through hole 41 on the vertical connecting plate 4; the bottom ends of the left half barrel 11 and the right half barrel 12 are symmetrically provided with barrel bottom connecting plates 3 with first through holes 31, and the first electromagnetic connectors 32 are fixed in the barrel bottom connecting plates 3. The connecting surfaces of the left half cylinder 11 and the right half cylinder 12 are respectively provided with a positioning groove 14 and a positioning bulge matched with the positioning groove 14, the left half cylinder 11 and the right half cylinder 12 are connected more tightly through the matching between the positioning groove 14 and the positioning bulge, and the positioning groove 14 is a groove with a section of 5mm which is cut along the outer side at a position 50mm of the cylinder top of the left half cylinder 11.

The test platform 2 is made by the metal sheet that thickness is 10mm, and size is 900 x 900mm, has covered the glass calibrated scale 51, 360 external diameters 700mm of internal diameter are made by 10mm toughened glass to the glass calibrated scale 51, and the bottom is pasted and is had every 5 mm's scale from 360mm, inlays at the 5 geometric centre positions of bottom plate of test platform 2. The number of the leveling air bubbles 52 is four, and the leveling air bubbles are respectively arranged at the positions, 50mm away from the fence, of four corners of the test platform 2. Scale bar 6 is made by diameter mm's metal pole, highly is 300mm, and scale mark precision 1mm, the welding is on 2 left sides central lines of test platform, apart from left side border 12.5mm, and horizon bar 7 adopts thickness to be 3mm, and the width is made for 20 mm's metal strip, and length is 500mm, and 6 outsides of scale bar are fixed through screw hole and bolt through the lantern ring 72 that has the annular rubber circle. A100 mm length gutter channel is cut into enclosure 21 at 100m from the top edge on the right side of wash basin 54 to drain the wash test platform 2.

In practical use, the left half cylinder 11 and the right half cylinder 12 are fixedly connected through the positioning groove 14 and the positioning protrusion, the second electromagnetic connector 42 is opened, so that the left half cylinder and the right half cylinder are tightly connected to form a complete test cylinder 1, the test cylinder 1 is placed at the geometric center of the glass dial 51, the first electromagnetic connector 32 is opened, the test cylinder 1 is fixed on the bottom plate 5, and the test platform is leveled through the leveling bubble 52 and the leveling base 53 on the lower surface of the bottom plate 5. The loading funnel is inserted into the top end of the test cartridge 1 to complete the assembly of the device. The stirring finger is 30L of concrete mixture and starts timing, a charger with the volume of one third of the capacity of the test cylinder 1 is adopted to accurately measure the concrete mixture sample, the concrete mixture sample is uniformly loaded into the test cylinder 1 in three layers, each layer of concrete mixture is loaded, a tamping rod is applied to uniformly insert and tamp the concrete mixture for 25 times in a spiral manner from the edge to the center, and the next layer of concrete mixture is loaded after one layer of concrete mixture is tamped. After the top layer is inserted and tamped, the charging hopper is taken down, redundant concrete mixtures are hung and leveled along the opening of the test tube 1, a tester holds the left handle, simultaneously closes the first electromagnetic connector 32 and the second electromagnetic connector 42, lifts the left half tube 11 and the right half tube 12 to two sides, and the lifting is completed in 3 s. And after 30 seconds, the horizontal rod 7 is moved to the highest point of the concrete mixture, and the reading of the graduated rod is read, namely the concrete slump. The concrete expansion degree is obtained by reading two vertical expansion diameters on the glass dial 51 on the bottom plate 5, and the average value is the concrete expansion degree.

The utility model discloses "connect", "fixed" that appear in the description can be fixed connection, machine-shaping, welding, also can mechanical connection, and particular case understands that above-mentioned term is in the utility model provides a concrete meaning.

In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., are used, and their designated orientations or positional relationships are only for convenience of description and simplicity of description, but do not indicate or imply that the designated device or element must have a particular orientation, and therefore should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. A novel concrete slump measuring device comprises a horn-shaped test cylinder (1) and a test platform (2); the test tube is characterized in that the test tube (1) is divided into a left half tube (11) and a right half tube (12), handles (13) are arranged on the outer side walls of the tube bodies of the left half tube (11) and the right half tube (12), tube bottom connecting plates (3) with first through holes (31) are symmetrically arranged at the bottom ends of the outer side walls of the tube bodies of the left half tube (11) and the right half tube (12), and first electromagnetic connectors (32) are vertically fixed in the first through holes (31); the outer side wall of the connecting surface of the left half cylinder (11) and the right half cylinder (12) is also provided with a vertical connecting plate (4), the vertical connecting plate (4) of the left half cylinder (11) is also provided with a second through hole (41), and a second electromagnetic connector (42) is arranged in the second through hole (41); the inner wall of the connecting surface of the left half cylinder (11) is also provided with a positioning groove (14), and the inner side wall of the connecting surface of the right half cylinder (12) is also provided with a positioning bulge matched with the positioning groove (14); the test platform (2) comprises a bottom plate (5) with three sides provided with fences (21) and a glass dial (51) laid on the bottom plate (5); a vertical scale rod (6) is further arranged on the bottom plate (5) at the opening end of the fence (21), and a horizontal rod (7) which can slide up and down and rotate on the scale rod (6) is sleeved outside the scale rod (6); leveling air bubbles (52) are further arranged at four corners of the upper surface of the bottom plate (5), and leveling bases (53) are further arranged at four corners of the lower surface of the bottom plate (5).

2. A novel concrete slump measurement device as claimed in claim 1, wherein the horizontal rod (7) comprises a rod body (71) and a sleeve ring (72), an annular rubber ring is arranged inside the sleeve ring (72), bolt holes are further formed in the outer side wall of the sleeve ring (72), and the horizontal rod (7) is slidably and rotatably sleeved outside the graduated rod (6) through the bolts and the annular rubber ring.

3. The novel concrete slump measuring device according to claim 1, further comprising a loading funnel, wherein the bottom of the loading funnel is inserted into the top of the test cylinder.

4. A novel concrete slump measuring device as claimed in claim 1, wherein the bottom of the graduated rod (6) is provided with a cleaning launder (54) along the edge of the bottom plate (5).

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