CN214310514U

CN214310514U - Concrete slump testing arrangement convenient to adjust levelness

Info

Publication number: CN214310514U
Application number: CN202120593226.2U
Authority: CN
Inventors: 王勇
Original assignee: Taizhou Xinrunchen Construction Engineering Co ltd
Current assignee: Taizhou Xinrunchen Construction Engineering Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-09-28
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to a concrete slump testing arrangement convenient to adjust levelness belongs to the field that the concrete detected, and it includes a mould section of thick bamboo, still includes the sill and places the board, a mould section of thick bamboo is placed on placing the board and keeping away from the face of sill one side, fixedly connected with support column on the sill, the one end that the sill was kept away from to the support column is articulated with placing the board, threaded connection has adjusting screw on the sill, adjusting screw's axis is parallel with the length direction of support column, adjusting screw moves towards the one end of placing the board and places one side looks butt that the board deviates from a mould section of thick bamboo. This application makes adjusting screw realize going up and down through rotating adjusting screw to the height that board was placed to the change corresponding position department, thereby the realization has the effect that improves concrete slump test result precision to the regulation of placing the levelness of board.

Description

Concrete slump testing arrangement convenient to adjust levelness

Technical Field

The application relates to the technical field of concrete detection, especially, relate to a concrete slump testing arrangement convenient to adjust levelness.

Background

The slump of concrete mainly refers to the plasticizing performance and the pumpability of the concrete, and the slump refers to the workability of the concrete, including the water retention, the fluidity and the cohesiveness of the concrete.

Common slump test methods: the method comprises the steps of placing a horn-shaped mould making cylinder on the ground, attaching a horn mouth of the mould making cylinder to the ground, then pouring concrete and filling the concrete for multiple times, tamping the concrete with a tamping hammer after each filling, leveling the concrete after tamping, then vertically pulling up the mould making cylinder, gradually collapsing the concrete under the action of self gravity, and finally subtracting the height of the highest point of the concrete after collapse by the height of the cylinder to obtain the slump of the concrete detected at this time.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: under the assistance of a horn-shaped mould making cylinder, a concrete sample is formed into a frustum shape, and after the mould making cylinder is pulled out, the concrete naturally collapses under the action of self gravity; and the ground levelness can not be guaranteed under the normal condition, so that the uniformity of each part of the concrete sample in the slump process can not be guaranteed, the highest point of the concrete slump does not have higher measuring value easily, and the measuring result is not accurate enough.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the measuring result is inaccurate because ground levelness leads to, this application provides a concrete slump testing arrangement convenient to adjust the levelness.

The application provides a concrete slump testing arrangement convenient to adjust levelness adopts following technical scheme:

the utility model provides a concrete slump testing arrangement convenient to adjust levelness, includes a system mould section of thick bamboo, still includes the sill and places the board, a system mould section of thick bamboo is placed on placing the board and keeping away from the face of sill one side, fixedly connected with support column on the sill, the one end that the sill was kept away from to the support column is articulated with placing the board, threaded connection has adjusting screw on the sill, adjusting screw's axis is parallel with the length direction of support column, adjusting screw moves towards the one end of placing the board and places one side looks butt that the board deviates from a system mould section of thick bamboo.

Through adopting above-mentioned technical scheme, rotate adjusting bolt, make adjusting screw remove along self length direction, adjusting screw also reciprocates thereupon to the strong point of placing the board, then place board and adjusting screw looks butt and also reciprocate thereupon, when the levelness of the face of placing the board needs to be adjusted, with this reach the regulation to placing the board levelness to improve each degree of consistency and the stability of concrete sample in the slump in-process, and then improve measuring result's accuracy.

Optionally, the adjusting screw is provided with a clamping assembly near the placing plate, the clamping assembly comprises a clamping nut, a connecting rod and a clamping block, the clamping nut is in threaded connection with the adjusting screw, the connecting rod is in a v-21274-shaped form, one end of the connecting rod is rotatably connected with the clamping nut, the other end of the connecting rod is located on one side of the placing plate far away from the adjusting screw, the clamping block is fixedly connected with one end of the connecting rod far away from the clamping nut, and the clamping block faces towards one side of the placing plate and abuts against the surface of the placing plate.

Through adopting above-mentioned technical scheme, owing to place board and support column and adjusting screw all do not have stable relation of connection, then after the regulation of placing the board levelness is accomplished, through launching clamping component to make and press from both sides tight piece and adjusting screw will place the common centre gripping of board, the frictional force of its production hinders placing the board in the ascending removal stroke of horizontal direction, improves the positional stability who places the board.

Optionally, a level gauge is arranged on the placing plate.

Through adopting above-mentioned technical scheme, the spirit level is used for the level that the board face was placed in the demonstration directly perceived, provides the reference facility for the regulation of placing the board level.

Optionally, an adjusting hole for inserting the crowbar is formed in the adjusting screw, and an axis of the adjusting hole is perpendicular to an axis of the adjusting screw.

Through adopting above-mentioned technical scheme, the regulation hole is convenient for the practical crowbar of operator to rotate the operation to adjusting screw, and the crowbar still has the benefit of the stroke of shortening power in laborsaving to improve the regulation precision.

Optionally, the placing plate is fixedly connected with a die opening guide pillar, the axis of the die opening guide pillar is perpendicular to the surface of the placing plate, the die making cylinder faces the barrel mouth of the placing plate and is fixedly connected with a butt wing edge, the plane where the butt wing edge is located is parallel to the surface of the placing plate, and the die opening guide pillar penetrates through the butt wing edge and the die opening guide pillar and is in transition fit with the butt wing edge and the surface of the placing plate.

Through adopting above-mentioned technical scheme, when pulling out the mould making section of thick bamboo, the mould opening guide pillar becomes the ascending direction of vertical side to the mould making section of thick bamboo formation, makes the mould making section of thick bamboo difficult in the mould opening process produce horizontal power in order to cause the influence to the sample state to the concrete sample after the shaping.

Optionally, a compressing assembly is arranged on the placing plate, the compressing assembly comprises a compressing bolt and a compressing block, the compressing bolt penetrates through the compressing block, the compressing bolt is in threaded connection with the placing plate, the compressing block is located between a nut of the compressing bolt and the placing plate, and one side of the compressing block, which faces the placing plate, is abutted to one side, which is away from the placing plate, of the abutting wing edge.

Through adopting above-mentioned technical scheme, need constantly tamp the concrete when filling the concrete material to the mould making section of thick bamboo, compress tightly the subassembly and extrude butt wing limit downwards, reduce the mould making section of thick bamboo and place the gap between the board to reduce the concrete raw materials from the mould making section of thick bamboo and place the loss that leaks between the board.

Optionally, the placing plate is provided with a rotation stopping pin, an axis of the rotation stopping pin is perpendicular to a plate surface of the placing plate, and the rotation stopping pin penetrates through the pressing block and is inserted into the placing plate.

Through adopting above-mentioned technical scheme, when rotating clamp bolt and making the compact heap to impel to remove or relieve to compress tightly, the only round pin forms the only commentaries on classics spacing on the horizontal direction to the compact heap, makes the difficult displacement that takes place on the horizontal direction of compact heap, reduces the compact heap and produces the ascending effort in the horizontal direction to butt joint wing limit to improve the position stability of system mould section of thick bamboo.

Optionally, a measuring guide pillar is fixedly connected to the placing plate, scales are arranged on the measuring guide pillar, the axis of the measuring guide pillar is perpendicular to the plate surface of the placing plate, a fixing sleeve is in transition fit with the measuring guide pillar, a measuring scale is fixedly connected to the fixing sleeve, and the length direction of the measuring scale is parallel to the plate surface of the placing plate.

Through adopting above-mentioned technical scheme, the measurement guide pillar that has the scale is direct with place board fixed connection, produced error when having greatly reduced the measuring instrument exclusive use.

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

1. the support column is hinged with the placing plate and the adjusting screw rod is arranged, the adjusting screw rod is rotated to enable the adjusting rod to lift relative to the supporting platform, so that the supporting point of the placing plate is lifted or lowered by the adjusting screw rod, the position of the plane where the plate surface of the placing plate is located is adjusted, the levelness of the placing plate is adjusted, the uniformity and the stability of each part of the concrete sample in the slump process are improved, and the accuracy of a measuring result is improved;

2. through compressing tightly the subassembly setting, the compact heap compresses tightly the butt wing limit, reduces the mould making section of thick bamboo and places the gap size between the board, reduces the outflow of concrete material in the mould making section of thick bamboo.

Drawings

Fig. 1 is a schematic structural diagram of a concrete slump testing device for embodying concrete slump, which is convenient for adjusting levelness in the embodiment of the application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Description of reference numerals: 1. a base table; 2. a leveling mechanism; 21. a support pillar; 22. adjusting the screw rod; 221. an adjustment hole; 23. a clamping assembly; 231. clamping the nut; 232. a connecting rod; 233. a clamping block; 3. placing the plate; 31. opening the die guide post; 32. measuring the guide pillar; 321. fixing the sleeve; 322. measuring a scale; 33. a level gauge; 4. a compression assembly; 41. a hold-down bolt; 42. a compression block; 43. a rotation stopping pin; 5. manufacturing a mold cylinder; 51. abutting the wing edges.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses concrete slump testing arrangement convenient to adjust levelness, as shown in fig. 1 and 2, including base frame 1, 1 top of base frame is equipped with places board 3, when preparing the concrete sample of concrete slump test, will make a mould section of thick bamboo 5 place with place on the face of board 3, place board 3 and provide operation platform for the preparation of the sample that is used for the test. The base platform 1 is connected with the placing plate 3 through the leveling mechanism 2, and besides the supporting function, the leveling mechanism 2 is also used for adjusting the levelness of the placing plate 3.

As shown in fig. 1 and 2, the leveling mechanism 2 includes a supporting column 21 and an adjusting screw 22, in this embodiment, the plate surface of the placing plate 3 is rectangular, the length direction of the supporting column 21 and the axis of the adjusting screw 22 are parallel to each other and are both vertical, one end of the supporting column 21 is fixedly connected with the base platform 1, and the adjusting screw 22 is in threaded connection with the base platform 1. In this embodiment, the surface of the placing plate 3 is rectangular, there are one supporting column 21 and three adjusting screws 22, and the supporting columns 21 and the adjusting screws 22 are respectively located near the edges of the four corners of the vertical projection of the placing plate 3; the one end that the base platform 1 was kept away from to support column 21 is ball-hinged with placing board 3, and adjusting screw 22 is just with placing board 3 butt towards the tip of placing board 3, rotates adjusting screw 22, and under the effect of screw thread, adjusting screw 22 is along the relative base platform 1 rebound of self length direction to the corresponding position department that will place board 3 is upwards jack-up, this is just for placing the adjustment mechanism of board 3 levelness.

As shown in fig. 1 and 2, the molding cylinder 5 is located at the center of the placing plate 3, the level gauge 33 is installed on the placing plate 3, in this embodiment, the level gauge 33 is in a liquid type, and four level gauges 33 are uniformly arranged around the molding cylinder 5. In this embodiment, the crowbar operation adjusting screw 22 is rotated for optimization: two regulation holes 221 have all been seted up on every adjusting screw 22, and the axis of every regulation hole 221 all is coplane and perpendicular with adjusting bolt's axis, and regulation hole 221 is used for supplying the crowbar to insert, keeps away from by the lever and knows, and the arm of force that the crowbar provided can reduce to rotate adjusting screw 22 and make required drive power, and the crowbar has also enlarged the formation of adjusting bolt rotation time force action point simultaneously, has the effect that improves the regulation precision.

As shown in fig. 1 and 2, the leveling mechanism 2 further includes a clamping assembly 23, and the clamping assembly 23 is used for improving the relative stability of the placing plate 3 and the adjusting bolt after the levelness adjustment of the placing plate 3 is completed. The clamping assembly 23 includes a clamping nut 231, a connecting rod 232, and a clamping block 233. Clamping nut 231 and adjusting screw 22 threaded connection, connecting rod 232 is the shape of \ 21274;, the one end and the clamping nut 231 of connecting rod 232 rotate to be connected, the other end is walked around the edge of placing board 3 and is in the top of placing board 3, clamping block 233 welded fastening is in the one end that connecting rod 232 is in the top of placing board 3, under the condition that adjusting screw 22 is motionless, rotating clamping nut 231 makes connecting rod 232 descend, finally make clamping block 233 towards one side of placing board 3 and the face of placing board 3 support each other tightly, adjusting screw 22 and clamping block 233 will place board 3 tightly jointly at this moment, clamping block 233 and adjusting screw 22 and placing board 3 between form great frictional force, this frictional force can make and place board 3 difficult and adjusting screw 22 and take place relative slip.

As shown in fig. 1 and 3, the mold making cylinder 5 is integrally formed with an abutting wing 51 toward the cylinder opening of the placing plate 3, the abutting wing 51 is attached to the placing plate 3, the placing plate 3 is provided with a mold opening guide pillar 31, the length direction of the mold opening guide pillar 31 is perpendicular to the plate surface of the placing plate 3, and the mold opening guide pillar 31 passes through the abutting wing 51 and is in transition fit with the two.

As shown in fig. 1 and 3, four sets of pressing assemblies 4 are disposed on the placing plate 3, the four sets of pressing assemblies 4 are respectively located near four quadrant points of the mold making barrel 5, each pressing assembly 4 includes a pressing bolt 41 and a pressing block 42, an axis of each pressing bolt 41 is perpendicular to a plate surface of the placing plate 3, each pressing bolt 41 passes through each pressing block 42 and is in threaded connection with the placing plate 3, one end of each pressing block 42, facing the mold making barrel 5, is located above the abutting wing edge 51, when the pressing bolts 41 are moved downward by rotating the pressing bolts 41, a downward pushing force is formed on the pressing blocks 42 by nuts of the pressing bolts 41, and the abutting wing edges 51 are finally abutted by the pressing blocks 42 through the transmission of the forces. The rotation stopping pin 43 is inserted into one side, away from the mold making barrel 5, of the pressing bolt 41 on the placing plate 3, the rotation stopping pin 43 penetrates through the pressing block 42, and in the process that the pressing block 42 is pressed downwards by the nut of the pressing bolt 41, the rotation stopping pin 43 forms rotation stopping limit in the horizontal direction on the pressing block 42, and the transverse acting force formed between the pressing block 42 and the abutting wing edge 51 is reduced.

As shown in fig. 1, a measuring guide pillar 32 for measuring the concrete slump height is fixedly connected to the placing plate 3, the measuring guide pillar 32 is located beside the molding cylinder 5, the axis of the measuring guide pillar 32 is perpendicular to the surface of the placing plate 3, distance scales are marked on the measuring guide pillar 32, and a fixing sleeve 321 and a transition fit are sleeved on the measuring guide pillar 32. The side fixedly connected with dipperstick 322 of fixed sleeve 321, the length side of dipperstick 322 is certainly by enough with place the face parallel to of board 3, dipperstick 322 is close to the edge of placing board 3 and the terminal surface parallel and level that board 3 was placed to fixed sleeve 321 orientation, and fixed sleeve 321 bottom terminal surface and the distance of placing between the board 3 face and the dipperstick 322 and the distance of placing between the board 3 face equal promptly.

The implementation principle of the concrete slump testing device convenient for adjusting the levelness in the embodiment of the application is as follows:

place a system mould section of thick bamboo 5 in the specific position on placing board 3, compress tightly butt wing limit 51 through compressing tightly subassembly 4, to filling into the concrete raw materials in a mould section of thick bamboo 5, carry out the tamping to the concrete many times during, the top that will be full of the concrete of a system mould section of thick bamboo 5 is floating at last. Next detect the levelness of placing board 3 through observing spirit level 33, to placing board 3 through levelling mechanism 2 under the not high condition of levelness enough and level, start clamping assembly 23 after the completion of levelling and will place board 3 and press from both sides tightly, then take off clamp bolt 41 and compact heap 42, pull out system mould section of thick bamboo 5, treat that the concrete sample collapses after, with fixed sleeve 321 suit on measuring guide pillar 32, the final completion is to the measurement of concrete collapse height.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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. The utility model provides a concrete slump testing arrangement convenient to adjust levelness, includes system mould section of thick bamboo (5), its characterized in that: still include base frame (1) and place board (3), a system mould section of thick bamboo (5) are placed on placing board (3) and keeping away from the face of base frame (1) one side, fixedly connected with support column (21) on base frame (1), the one end that base frame (1) were kept away from in support column (21) is articulated with placing board (3), threaded connection has adjusting screw (22) on base frame (1), the axis of adjusting screw (22) is parallel with the length direction of support column (21), adjusting screw (22) orientation place the one end of board (3) and place one side looks butt that board (3) deviate from a system mould section of thick bamboo (5).

2. A concrete slump testing device convenient for adjusting levelness as claimed in claim 1, wherein: adjusting screw (22) are last and be close to place board (3) and be equipped with clamping unit (23), clamping unit (23) are including clamping nut (231), connecting rod (232) and press from both sides tight piece (233), clamping nut (231) and adjusting screw (22) threaded connection, connecting rod (232) are, (21274) shape, the one end and the clamping nut (231) of connecting rod (232) rotate to be connected, and the other end is located place board (3) and keep away from the one side of adjusting screw (22), press from both sides tight piece (233) and connecting rod (232) and keep away from the one end fixed connection of clamping nut (231), press from both sides tight piece (233) towards the one side of placing board (3) and place the face butt of board (3).

3. A concrete slump testing device convenient for adjusting levelness as claimed in claim 1, wherein: the placing plate (3) is provided with a level gauge (33).

4. A concrete slump testing device convenient for adjusting levelness as claimed in claim 1, wherein: an adjusting hole (221) for inserting a crowbar is formed in the adjusting screw rod (22), and the axis of the adjusting hole (221) is perpendicular to the axis of the adjusting screw rod (22).

5. A concrete slump testing device convenient for adjusting levelness as claimed in claim 1, wherein: the mould is characterized in that a mould opening guide post (31) is fixedly connected to the placing plate (3), the axis of the mould opening guide post (31) is perpendicular to the surface of the placing plate (3), a mould making cylinder (5) is fixedly connected with an abutting wing edge (51) towards the cylinder opening of the placing plate (3), the plane where the abutting wing edge (51) is located is parallel to the surface of the placing plate (3), and the mould opening guide post (31) penetrates through the abutting wing edge (51) and is in transition fit with the abutting wing edge (51) and the plate.

6. A concrete slump test device convenient for adjusting levelness as claimed in claim 5, wherein: the pressing assembly (4) is arranged on the placing plate (3), the pressing assembly (4) comprises a pressing bolt (41) and a pressing block (42), the pressing bolt (41) penetrates through the pressing block (42), the pressing bolt (41) is in threaded connection with the placing plate (3), the pressing block (42) is located between a nut of the pressing bolt (41) and the placing plate (3), and one side, facing the placing plate (3), of the pressing block (42) is abutted to one side, deviating from the placing plate (3), of the abutting wing edge (51).

7. A concrete slump test device convenient for adjusting levelness as claimed in claim 6, wherein: the placing plate (3) is provided with a rotation stopping pin (43), the axis of the rotation stopping pin (43) is perpendicular to the plate surface of the placing plate (3), and the rotation stopping pin (43) penetrates through the pressing block (42) and is inserted into the placing plate (3).

8. A concrete slump testing device convenient for adjusting levelness as claimed in claim 1, wherein: the measuring device is characterized in that a measuring guide pillar (32) is fixedly connected to the placing plate (3), scales are arranged on the measuring guide pillar (32), the axis of the measuring guide pillar (32) is perpendicular to the plate surface of the placing plate (3), a fixing sleeve (321) is in transition fit with the measuring guide pillar (32), a measuring scale (322) is fixedly connected to the fixing sleeve (321), and the length direction of the measuring scale (322) is parallel to the plate surface of the placing plate (3).