CN108956963B

CN108956963B - Slump test equipment for building concrete

Info

Publication number: CN108956963B
Application number: CN201810893205.5A
Authority: CN
Inventors: 陈鑫
Original assignee: Linyi Zhonglian Concrete Co ltd
Current assignee: Linyi Zhonglian Concrete Co.,Ltd.
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2021-03-19
Anticipated expiration: 2038-08-07
Also published as: CN108956963A

Abstract

The invention provides slump test equipment for building concrete, which comprises a test frame, a laser lamp bar, a slump cone, a balancing weight and scale marks, wherein the test frame is provided with a first support and a second support; the bottom of test frame is equipped with the slide strip of two sets of integral types, and in the slide strip slidable inserts the spout, be provided with square opening in the middle of the front side of test frame, and square open-ended both sides are equipped with the side slot, and square open-ended bottom is equipped with the kerve, the both ends of picture peg all can insert completely in the side slot and make the sealing rubber strip insert in the kerve, still inlay on the medial surface of picture peg and be carved with the scale mark, the rear side of test frame is inlayed with the relative position department of square opening and is had square lamps and lanterns, and the inboard of square lamps and lanterns installs laser lamp strip, the top welding of a slump section of thick bamboo has the toper fill, and a slump section of thick bamboo can be placed in circular standing groove. The slump of the concrete can be read quickly by utilizing the numerical value of the scale mark irradiated by the laser, and the measurement is more accurate.

Description

Slump test equipment for building concrete

Technical Field

The invention belongs to the technical field of concrete slump tests, and particularly relates to slump test equipment for building concrete.

Background

Concrete slump mainly reflects the plasticizing performance and the pumpability of concrete, main factors influencing the concrete slump include raw materials, stirring time, transport machinery, pouring speed, pouring time and the like, and in addition, the dosage of additives and cement temperature which is easily ignored can also influence indexes. Thus, slump is an important property of concrete, and directly affects the plasticizing and pumpability of concrete. In the construction process of the building, the concrete slump of each truck is measured in the concrete pouring process.

The inventor finds similar patents in the process of patent retrieval, such as the following application numbers: CN201720564915.4 patent discloses a concrete slump measurer capable of directly reading, which comprises a bottom plate, a tamper and a slump drum placed on the bottom plate for containing concrete, wherein the upper and lower ends of the slump drum are respectively provided with an opening, the upper part of the slump drum is provided with a handle, the bottom end of the slump drum is provided with a plurality of inverted L-shaped pressing plates, and the bottom plate is provided with equal number of strip-shaped jacks for inserting the inverted L-shaped pressing plates at corresponding positions; one side of bottom plate is equipped with demountable installation's measuring stick, be equipped with the scale mark on the measuring stick, the zero scale mark of measuring stick flushes with the up end of a collapse section of thick bamboo, the measuring stick cover is equipped with the transparent glass lantern ring, the transparent glass lantern ring is through tightening the screw rod fastening on the measuring stick, fixed mounting has scalable indicator pole on the transparent glass lantern ring. The invention has the advantages of simple structure, convenient use, storage space saving, more accurate measurement and worth of popularization and use.

Also for example, application nos.: CN201520083585.8 discloses a slump measuring device for roads, which comprises a column, a spring, scales, a slide way, a base, an electromagnetic steel plate, a connecting rod, a fixing buckle, a slump cone and a handle. The collapse degree measuring device for the highway is simple in structure, convenient to operate and accurate in value taking, can finish sampling and measuring values under the condition of saving labor by one person, reduces errors caused by the fact that the construction environment is simple and meanwhile, and improves the test efficiency.

Based on the above, the inventor discovers that when traditional concrete slump detects, a ruler towards a mixture is horizontally placed at the top of a slump cylinder, the vertical distance from the bottom surface of the ruler to the highest point of a sample is measured by a steel ruler, the measuring speed is relatively slow, concrete continues to slump downwards in the measuring process, the reading accuracy is influenced, and meanwhile, when the concrete slump cylinder needs to be pressed forcibly to avoid the concrete from seeping out from the bottom of the slump cylinder, so that the concrete slump cylinder is inconvenient to use.

In view of the above, research and improvement are made on the existing structure and defects, and a slump test device for building concrete is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides slump test equipment for building concrete, which aims to solve the problems that the traditional measurement speed is relatively slow, the concrete continuously falls downwards in the measurement process to influence the reading accuracy, and the slump cone needs to be pressed by force to avoid the concrete from seeping out of the bottom of the slump cone.

The invention is used for the purpose and the effect of slump test equipment of building concrete, and is achieved by the following specific technical means:

a slump test device for building concrete comprises a base, a circular placing groove, a strip groove, a supporting plate, a sliding groove, a spring seat, a test frame, a square opening, a side inserting groove, a bottom groove, a handle, a square lamp, a laser lamp strip, a control switch, a battery compartment, a sliding strip, a slump cone, a handle A, a balancing weight, a plug board, a handle B, a scale mark and a sealing rubber strip; a circular placing groove is formed in one end of the top of the base, a strip groove extends outwards from one end of the circular placing groove, the other end of the top of the base is connected with a supporting plate through four groups of spring seats, two groups of sliding grooves are formed in the supporting plate, and one end of each sliding groove is closed; the bottom of the test frame is provided with two groups of integrated slide plate strips which can be inserted into the slide grooves in a sliding way, the middle of the front side of the test frame is provided with a square opening, and the two sides of the square opening are provided with side slots, the bottom of the square opening is provided with a bottom slot, the bottom of the inserting plate is adhered with a sealing rubber strip, and both ends of the inserting plate can be completely inserted into the side inserting grooves and the sealing rubber strip is inserted into the bottom groove, the inner side surface of the inserting plate is also embedded with scale marks, the top of the inserting plate is connected with a handle B, a square lamp is embedded at the position of the rear side of the test frame, which is opposite to the square opening, the inner side of the square lamp is provided with a laser lamp bar, the outer side end of the square lamp is provided with a control switch and a battery bin, the end still is connected with the handle about the test frame, the top welding of a slump section of thick bamboo has the toper fill, and a slump section of thick bamboo can place in circular standing groove.

Further, the inner diameter of the circular placing groove is larger than the outer diameter of the bottom of the slump cone.

Furthermore, the depth of the square opening is the same as the inner depth of the test frame, and the vertical height of the slump cone is also the same as the inner depth of the test frame.

Furthermore, laser lamp strip is equipped with three groups, and the length of three groups of laser lamp strips all is the same with the inside degree of depth of experimental frame.

Furthermore, a handle A and a balancing weight are respectively arranged at the upper end and the lower end of the outer side of the collapse cylinder.

Further, the insert plate can also be of a transparent structure.

Furthermore, the scale mark is arranged from the top side of the inserting plate downwards, and the minimum division value of the scale mark is 1 mm.

Furthermore, the scale mark also is equipped with three groups, and when the picture peg inserted in square opening and the top of picture peg held level with test frame top face, three groups of scale mark respectively correspond in the dead ahead that three groups of laser lamp strip shone.

Further, the length of the bottom edge of the inner side of the test frame is more than 2 times of the outer diameter of the bottom of the slump cone.

Compared with the prior art, the invention has the following beneficial effects:

the setting of balancing weight, the weight of multiplicable slump barrel, no longer both hands press the slump barrel and also can prevent that the concrete from oozing from slump bobbin base portion, can liberate staff's both hands.

The setting of test frame is placing a slump section of thick bamboo and is detecting the slump of concrete in the middle of test frame inside, can effectually avoid the water of concrete to flow outward, makes things convenient for the clearance to test concrete after the experiment.

The three groups of laser light bars are opened through the control switch by the arrangement of the laser light bars and the scale marks, then the slump cone is lifted, laser emitted by the laser light bars irradiates the scale marks on the inserting plate, the laser blocked by concrete cannot irradiate the inserting plate, the slump of the concrete can be read quickly by utilizing the numerical value of the scale marks irradiated by the laser, and the measurement is more accurate.

Circular standing groove and strip groove's setting is convenient for put the inside of circular standing groove with a slump section of thick bamboo, when washing in the circular standing groove, the sewage of washing can flow along the strip groove, washs more thoroughly.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a of the present invention.

Fig. 3 is a rear end side structure view of fig. 1 of the present invention.

Fig. 4 is an enlarged view of the structure of fig. 3B according to the present invention.

Fig. 5 is a schematic structural view of the test frame in fig. 1 of the present invention when the test frame slides out of the support plate and the insert plate is pulled out of the side slot.

Fig. 6 is an enlarged view of the structure of fig. 5C according to the present invention.

Fig. 7 is an enlarged view of the structure of fig. 5 according to the present invention.

FIG. 8 is a schematic diagram of the structure of the slump cone used in the detection of the concrete slump.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

the device comprises a base-1, a circular placing groove-101, a strip groove-102, a supporting plate-2, a sliding groove-201, a spring seat-3, a test frame-4, a square opening-401, a side inserting groove-4011, a bottom groove-4012, a handle-402, a square lamp-403, a laser lamp strip-4031, a control switch-4032, a battery bin-4033, a sliding plate strip-404, a collapse cylinder-5, a conical hopper-501, a lifting handle A-502, a balancing weight-503, a plug board-6, a lifting handle B-601, a scale mark-602 and a sealing rubber strip-603.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides slump test equipment for building concrete, which comprises a base 1, a circular placing groove 101, a strip groove 102, a supporting plate 2, a sliding groove 201, a spring seat 3, a test frame 4, a square opening 401, a side inserting groove 4011, a bottom groove 4012, a handle 402, a square lamp 403, a laser lamp strip 4031, a control switch 4032, a battery bin 4033, a sliding plate strip 404, a slump cone 5, a conical hopper 501, a lifting handle A502, a balancing weight 503, a plug board 6, a lifting handle B601, scale lines 602 and a sealing rubber strip 603; a circular placing groove 101 is formed in one end of the top of the base 1, a strip groove 102 extends outwards from one end of the circular placing groove 101, the other end of the top of the base 1 is connected with a supporting plate 2 through four groups of spring seats 3, two groups of sliding grooves 201 are formed in the supporting plate 2, and one end of each sliding groove 201 is closed; the bottom of test frame 4 is equipped with the slide bar strip 404 of two sets of integral types, and slide bar strip 404 slidable inserts in the spout 201, be provided with square opening 401 in the middle of the front side of test frame 4, and the both sides of square opening 401 are equipped with side slot 4011, and the bottom of square opening 401 is equipped with kerve 4012, sealing rubber strip 603 is pasted to the bottom of picture peg 6, and the both ends of picture peg 6 all can insert in side slot 4011 and make sealing rubber strip 603 insert in kerve 4012 completely, still inlay scale mark 602 on the medial surface of picture peg 6, and the top of picture peg 6 is connected with handle B601, the position department that the rear side of test frame 4 is relative with square opening 401 inlays and has square lamps and lanterns 403, and laser lamp strip 4031 is installed to the inboard of square lamps and lanterns 403, and the outside end of square lamps and lanterns 403 is provided with control switch 4032 and battery compartment 4033, the left and right-hand end of test frame 4 still is connected with handle 402, the top welding of a slump cone 5 has the toper fill 501, and a slump cone 5 can be placed in circular standing groove 101.

The inner diameter of the circular placing groove 101 is larger than the outer diameter of the bottom of the slump cone 5, and after the test is completed, the slump cone 5 is conveniently placed in the circular placing groove 101.

Wherein, the depth of the square opening 401 is the same as the inner depth of the test frame 4, and the vertical height of the slump cone 5 is also the same as the inner depth of the test frame 4.

The laser lamp strips 4031 are provided with three groups, and the length of each group of laser lamp strips 4031 is the same as the inner depth of the test frame 4.

Wherein, the outside upper end of the section of thick bamboo 5 of collapsing, lower extreme are equipped with handle A502, balancing weight 503 respectively, are putting the section of thick bamboo 5 of collapsing in the middle of the inside of test frame 4 to when pouring the concrete into the section of thick bamboo 5 of collapsing, balancing weight 503 can improve the weight of the section of thick bamboo 5 of collapsing, no longer both hands push down the section of thick bamboo 5 of collapsing and also can prevent that the concrete from oozing from the section of thick bamboo 5 bottom of collapsing, but liberation staff's both hands.

Wherein, picture peg 6 also can be transparent column structure, observes more conveniently.

Wherein, graduation mark 602 sets up from the top side of picture peg 6 downwards, and the minimum division value of graduation mark 602 is 1mm, because the slump of concrete mixture, the accurate value is 1mm, so only can make the slump numerical value of reading more accurate for the minimum division value of graduation mark 602 is 1 mm.

Wherein, scale mark 602 also is equipped with three groups, insert in square opening 401 at picture peg 6 and the top of picture peg 6 holds with test frame 4 top end face at ordinary times, three group's scale mark 602 correspond respectively at the dead ahead that three group laser lamp strip 4031 shone, the laser that utilizes laser lamp strip 4031 to send shines the scale mark 602 department on picture peg 6, the laser of lower extreme can not shine on picture peg 6 under the blockking of concrete, thereby utilize scale mark 602 to read the length that the laser shines on picture peg 6, thereby reachs the data of slump.

Wherein, the length of the inboard base of test frame 4 is greater than 2 times of 5 bottom external diameters of slump cone, when lifting slump cone 5 from test frame 4, the concrete of slump cone 5 slump downwards, and test frame 4 inboard base length can effectually avoid forming the influence to the concrete slump.

The specific use mode and function of the embodiment are as follows:

in the invention, the slump cone 5 is placed in the middle of the interior of the test frame 4, concrete is loaded into the slump cone 5 in three layers, the loading height of each layer is about one third of the height of the cone, each layer is inserted and tamped for 25 times from the edge to the center along a spiral line by a tamping rod, and the layers cannot be impacted, and the inserting and tamping of each time are uniformly distributed on an interface. When concrete is inserted and tamped on the side of the cylinder, the tamper can be slightly inclined, when the bottom layer is inserted and tamped, the tamper penetrates the whole depth, when the other two layers are inserted and tamped, the tamper penetrates the bottom layer and is inserted into the lower layer by about 20-30 mm, after the filling is finished, a trowel is used for scraping redundant concrete and smoothing the opening of the cylinder, because the weight block 503 is arranged on the slump cylinder 5, the weight of the slump cylinder 5 can be increased, the slump cylinder 5 can be prevented from being leaked from the bottom of the slump cylinder 5 without pressing down the slump cylinder 5 by two hands, then three groups of laser lamp strips 4031 are opened through a control switch 4032, the slump cylinder 5 is immediately lifted, the lifting cylinder is finished in 5-10s, the concrete is not influenced by transverse and torsion actions, the whole process from the concrete filling to the lifting of the slump cylinder 5 is finished in 150s, the slump cylinder 5 is placed into a circular placement groove 101, and laser emitted by a laser lamp strip 4031 irradiates a scale mark 602 on a flashboard 6, the laser blocked by the concrete can not irradiate the inserting plate 6, and the slump of the concrete can be read quickly by utilizing the numerical value of the scale mark 602 irradiated by the laser. When one side of the concrete sample collapses or is sheared and damaged, the sample is taken again for another measurement. If the situation still happens for the second time, the workability of the concrete is not good, a record is made, and after the test is finished, the test frame 4 can slide out of the support plate 2, so that the concrete in the test frame 4 can be cleaned.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a slump test equipment for building concrete which characterized in that: the slump test equipment for building concrete comprises a base (1), a circular placing groove (101), a strip groove (102), a supporting plate (2), a sliding groove (201), a spring seat (3), a test frame (4), a square opening (401), a side inserting groove (4011), a bottom groove (4012), a handle (402), a square lamp (403), a laser lamp strip (4031), a control switch (4032), a battery compartment (4033), a sliding plate strip (404), a slump cone (5), a cone-shaped bucket (501), a lifting handle A (502), a balancing weight (503), a plugboard (6), a lifting handle B (601), scale marks (602) and a sealing rubber strip (603); a circular placing groove (101) is formed in one end of the top of the base (1), a strip groove (102) extends outwards from one end of the circular placing groove (101), the other end of the top of the base (1) is connected with a supporting plate (2) through four groups of spring seats (3), two groups of sliding grooves (201) are formed in the supporting plate (2), and one end of each sliding groove (201) is closed; the bottom of test frame (4) is equipped with the slide bar strip (404) of two sets of integral types, and slide bar strip (404) slidable insert in spout (201), be provided with square opening (401) in the middle of the front side of test frame (4), and the both sides of square opening (401) are equipped with side slot (4011), and the bottom of square opening (401) is equipped with kerve (4012), sealed rubber strip (603) is pasted to the bottom of picture peg (6), and the both ends of picture peg (6) all can insert in side slot (4011) and make sealed rubber strip (603) insert in kerve (4012), still inlay scale mark (602) on the medial surface of picture peg (6), and the top of picture peg (6) is connected with handle B (601), the rear side of test frame (4) is inlayed with square lamps and lanterns (403) with the relative position department of square opening (401), and the inboard of square lamps and lanterns (403) is installed laser lamp strip (4031), a control switch (4032) and a battery bin (4033) are arranged at the outer side end of the square lamp (403), a handle (402) is further connected to the left end and the right end of the test frame (4), a conical hopper (501) is welded to the top end of the collapse cylinder (5), and the collapse cylinder (5) can be placed in the circular placing groove (101); placing a slump cone (5) in the middle of the interior of a test frame (4), loading concrete into the slump cone (5) in three layers, wherein the loading height of each layer accounts for one third of the height of the cone, inserting and tamping each layer for 25 times from the edge to the center along a spiral line by using a tamping rod, and the inserting and tamping of each layer cannot impact, and the inserting and tamping of each time should be uniformly distributed on an interface; when concrete on the side of the cylinder is inserted and tamped, the tamper inclines, when the bottom layer is inserted and tamped, the tamper penetrates the whole depth, when other two layers are inserted and tamped, the tamper penetrates the layer and inserts the lower layer by 20-30 mm, after the filling is finished, a trowel is used for scraping redundant concrete and smoothing the opening of the cylinder, as the weight block (503) is arranged on the collapse cylinder (5), the weight of the collapse cylinder (5) can be increased, the collapse cylinder (5) is not pressed down by two hands any more to prevent the concrete from seeping out from the bottom of the collapse cylinder (5), then three groups of laser light bars (4031) are opened through a control switch (4032) and the collapse cylinder (5) is immediately lifted, the lifting cylinder is finished in 5-10s, the concrete is not influenced by transverse and torsion actions, the whole process from the concrete filling to the lifting of the collapse cylinder (5) is finished in 150s, the collapse cylinder (5) is placed in a circular placing groove (101), and the laser light bars (4031) irradiate scale marks (602) on the inserting plate (6), the laser blocked by the concrete can not irradiate the inserting plate (6), and the slump of the concrete can be read quickly by utilizing the numerical value of the scale mark (602) irradiated by the laser.

2. Slump test apparatus for construction concrete according to claim 1, wherein: the inner diameter of the circular placing groove (101) is larger than the outer diameter of the bottom of the slump cone (5).

3. Slump test apparatus for construction concrete according to claim 1, wherein: the depth of the square opening (401) is the same as the inner depth of the test frame (4), and the vertical height of the slump cone (5) is also the same as the inner depth of the test frame (4).

4. Slump test apparatus for construction concrete according to claim 1, wherein: the laser lamp strips (4031) are provided with three groups, and the lengths of the three groups of laser lamp strips (4031) are the same as the inner depth of the test frame (4).

5. Slump test apparatus for construction concrete according to claim 1, wherein: the upper end and the lower end of the outer side of the collapse cylinder (5) are respectively provided with a handle A (502) and a balancing weight (503).

6. Slump test apparatus for construction concrete according to claim 1, wherein: the insert plate (6) can also be of a transparent structure.

7. Slump test apparatus for construction concrete according to claim 1, wherein: the scale marks (602) are arranged from the top side of the inserting plate (6) downwards, and the minimum division value of the scale marks (602) is 1 mm.

8. Slump test apparatus for construction concrete according to claim 1, wherein: the three groups of scale marks (602) are also arranged, when the inserting plate (6) is inserted into the square opening (401) and the top end of the inserting plate (6) is kept flat with the top end face of the test frame (4), the three groups of scale marks (602) are respectively corresponding to the front of the irradiation of the three groups of laser lamp strips (4031).

9. Slump test apparatus for construction concrete according to claim 1, wherein: the length of the bottom edge of the inner side of the test frame (4) is more than 2 times of the outer diameter of the bottom of the slump cone (5).