CN215066674U

CN215066674U - Concrete slump testing arrangement for construction

Info

Publication number: CN215066674U
Application number: CN202121045708.0U
Authority: CN
Inventors: 罗润球
Original assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Current assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2021-12-07
Anticipated expiration: 2031-05-15

Abstract

The utility model belongs to the technical field of the technique of construction and specifically relates to a concrete slump testing arrangement for construction is related to, it includes the bottom plate, a slump section of thick bamboo, the dead lever, installed part and two holders, dead lever fixed mounting is in the top of bottom plate, the installed part slides along vertical direction and installs in the dead lever, the dead lever is provided with the lifting unit that the drive installed part slided along vertical direction, two holders are installed in the installed part, a slump section of thick bamboo is located between two holders, the installed part is provided with the two holders of drive and moves the subassembly towards being close to each other or keeping away from the direction motion. This application has and makes the difficult slope of slump section of thick bamboo when lifting up, and then guarantees the measuring accuracy's of concrete slump effect.

Description

Concrete slump testing arrangement for construction

Technical Field

The application relates to the field of building construction, especially, relate to a concrete slump testing arrangement for building construction.

Background

The slump of the concrete mainly refers to the fact that factors such as the plasticizing performance and the pumpability of the concrete, gradation change, water content, weighing deviation of a weighing apparatus, the dosage of an additive and the like easily make an impression on the slump of the concrete. Slump refers to the workability of concrete, and particularly to the normal operation of construction, wherein the workability includes the water retention, the fluidity and the cohesiveness of the concrete.

In the method for detecting concrete slump in the related art, three layers of concrete are filled in a slump cone which is approximately horn-shaped and has an upper opening diameter of 100mm, a lower opening diameter of 200mm and a height of 300mm, and after each filling, a tamping hammer is used for uniformly impacting 25 concrete along the wall of the cone from outside to inside, and after tamping, the concrete is leveled. And then manually pulling up the slump cone to detect the slump phenomenon of the concrete due to self weight.

Aiming at the related technologies, the inventor thinks that in the process of manually lifting the slump cone by a worker, the slump cone is easy to incline due to uneven stress, and further the measuring accuracy of the concrete slump is easy to be influenced.

SUMMERY OF THE UTILITY MODEL

In order to make the slump section of thick bamboo difficult slope when mentioning, and then guarantee the measuring accuracy of concrete slump, this application provides a concrete slump testing arrangement for construction.

The application provides a concrete slump testing arrangement for construction adopts following technical scheme:

the utility model provides a concrete slump testing arrangement for construction, includes bottom plate, a slump section of thick bamboo, dead lever, installed part and two holders, dead lever fixed mounting is in the top of bottom plate, the installed part slides along vertical direction and installs in the dead lever, the dead lever is provided with the lifting unit that the drive installed part slided along vertical direction, two the holder is installed in the installed part, a slump section of thick bamboo is located between two holders, the installed part is provided with two holders of drive and moves the subassembly towards being close to each other or keeping away from the direction motion.

Through adopting above-mentioned technical scheme, slump to the concrete detects, when needing to lift a slump section of thick bamboo, move towards the direction that is close to each other through two holders of motion assembly drive, make two holders fixed to slump section of thick bamboo centre gripping, move along vertical direction through lift assembly drive installed part afterwards, two holders drive a slump section of thick bamboo and move thereupon together, and then accomplish the operation of mentioning to a slump section of thick bamboo, slump section of thick bamboo is lifted and is difficult for inclining because of the clamping action that receives the holder, and then easily guarantee the measuring accuracy of concrete slump.

Optionally, the motion subassembly includes motion motor, two-way lead screw and gag lever post, two-way lead screw rotates to be installed in the installed part, two-way lead screw thread revolves to opposite both ends and passes two holders respectively and with holder screw-thread fit, the motion motor is installed in the installed part and is used for driving two-way lead screw to rotate, gag lever post fixed mounting in the installed part and with two-way lead screw parallel arrangement, the gag lever post is worn to locate two holders and slides the cooperation with the holder.

Through adopting above-mentioned technical scheme, when the two-way lead screw of motion motor drive rotated, two holders moved because of the direction that is close to or keeps away from each other with the screw-thread fit of two-way lead screw and under the limiting displacement of gag lever post, and the setting that two-way lead screw drive holders carried out the motion makes the motion of holder simple and practical, and stability is strong.

Optionally, two one side that the holder just right all is provided with the arcwall face with slump section of thick bamboo outer wall looks adaptation.

Through adopting above-mentioned technical scheme, being provided with of arcwall face does benefit to when reinforcing holder is fixed to the centre gripping of slump section of thick bamboo, area of contact between holder and the slump section of thick bamboo to stability when further reinforcing two holders are fixed to the centre gripping of slump section of thick bamboo.

Optionally, the arc-shaped surfaces of the two clamping pieces are fixedly connected with non-slip mats.

Through adopting above-mentioned technical scheme, being provided with of slipmat does benefit to the coefficient of friction between further reinforcing holder and the slump section of thick bamboo to be favorable to further reinforcing two holders to the stability when the slump section of thick bamboo centre gripping is fixed.

Optionally, the lifting assembly comprises a lifting motor and a lifting screw rod, the fixed rod is provided with a sliding groove extending along the vertical direction, the lifting screw rod is rotatably installed in the sliding groove, the installation part comprises a sliding part located in the sliding groove, the lifting screw rod penetrates through the sliding part along the vertical direction and is in threaded fit with the sliding part, and the lifting motor is installed on the fixed rod and is used for driving the lifting screw rod to rotate.

Through adopting above-mentioned technical scheme, when elevator motor drive lift lead screw rotated, the portion of sliding just drives installed part and two holders and carries out the motion of vertical direction because of the screw-thread fit with the lift lead screw under the limiting displacement in groove that slides, and the setting up of lift lead screw makes the installed part along the simple structure stability of vertical direction motion, and the practicality is strong.

Optionally, the cross sections of the sliding part and the sliding groove are both in a T shape.

Through adopting above-mentioned technical scheme, when the portion of sliding and the groove that slides along vertical direction, the position of the horizontal direction of the portion of sliding is difficult for squinting to be favorable to further guaranteeing the stability of the portion of sliding when moving along vertical direction.

Optionally, the fixing rod is provided with scale marks distributed along the vertical direction.

Through adopting above-mentioned technical scheme, the setting up of scale mark is convenient for that the staff is audio-visual observes the height of place after the installed part removes along vertical direction to remove the installed part to required height.

Optionally, a level is mounted on the top of the bottom plate.

Through adopting above-mentioned technical scheme, the setting of spirit level is convenient for the audio-visual level degree to the bottom plate of staff and is observed, and then in time carries out corresponding adjustment to the level degree of bottom plate.

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

when the two clamping pieces lift the slump cone along the vertical direction, the slump cone is not easy to incline due to the clamping action of the clamping pieces, and the measuring accuracy of the concrete slump is easy to guarantee.

When the arc-shaped surface is arranged, the contact area between the clamping piece and the slump cone can be increased when the clamping piece is used for clamping and fixing the slump cone, so that the stability of the two clamping pieces for clamping and fixing the slump cone can be further increased.

The setting of scale mark is convenient for the audio-visual place height to after the installed part removes along vertical direction of staff to observe to remove the installed part to required height.

Drawings

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

Fig. 2 is a schematic view of another view angle of the present application.

Description of reference numerals: 1. a base plate; 2. a slump cone; 3. fixing the rod; 4. a mounting member; 401. a sliding part; 402. a connecting portion; 403. installing a frame; 5. a clamping member; 6. a sliding groove; 7. a lifting motor; 8. a lifting screw rod; 9. scale lines; 10. a motion motor; 11. a bidirectional screw rod; 12. a limiting rod; 13. an arc-shaped surface; 14. a non-slip mat; 15. a level gauge.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses concrete slump testing arrangement for construction. Referring to fig. 1, concrete slump testing arrangement for construction includes bottom plate 1, a slump section of thick bamboo 2, dead lever 3, installed part 4 and two holders 5, and wherein, bottom plate 1 roughly is rectangular plate-like, and slump section of thick bamboo 2 is arranged in 1 top of bottom plate so that carry out the slump experiment at the concrete top to the concrete.

The fixed rod 3 is vertically and fixedly installed at the top of the bottom plate 1, and a sliding groove 6 extending in the vertical direction is formed in one side of the fixed rod 3. Installation part 4 is including sliding portion 401, connecting portion 402 and installing frame 403, and connecting portion 402 is rectangular form and level setting, and the one end fixed connection of connecting portion 402 is in installing frame 403, other end fixed connection in sliding portion 401, and sliding portion 401 is located sliding groove 6 and slides the cooperation with sliding groove 6, and sliding portion 401 all is the T shape with sliding groove 6's cross section to make sliding portion 401 stable along sliding groove 6's the process of sliding.

Continuing to refer to fig. 1, dead lever 3 is provided with lifting unit, lifting unit includes elevator motor 7 and lift lead screw 8, elevator motor 7 installs in the top of dead lever 3, the one end fixed connection of lift lead screw 8 is in elevator motor 7's output, lift lead screw 8 be located slide 6 and with dead lever 3 normal running fit, elevator lead screw 8 wear to locate slide 401 along vertical direction and with slide 401 screw-thread fit, so that when elevator motor 7 drive lift lead screw 8 rotated, slide 401 is installed the piece 4 and moves along vertical direction under slide 6's limiting displacement promptly. One side that dead lever 3 offered groove 6 that slides is carved with and is equipped with along vertical direction distribution's scale mark 9 to the staff is audio-visual to the portion of sliding 401 that is the high position after installed part 4 removes is audio-visual to be observed.

Referring to fig. 1 and 2, the mounting frame 403 is substantially rectangular frame-shaped, the clamping members 5 are substantially elongated, and both the clamping members 5 are located in the mounting frame 403 and face each other. The mounting frame 403 is provided with the motion subassembly, and the motion subassembly includes motion motor 10, two-way lead screw 11 and gag lever post 12, and motion motor 10 installs in one side of mounting frame 403 length direction, and the one end fixed connection of two-way lead screw 11 is in the output of motion motor 10, and two-way lead screw 11 level sets up and rotates and install in mounting frame 403, and two-way lead screw 11 screw revolve to opposite both ends pass two holders 5 respectively and with holder 5 screw-thread fit.

Two ends of the limiting rod 12 in the length direction are fixedly mounted on the mounting frame 403, the limiting rod 12 and the bidirectional screw rod 11 are arranged in parallel, the limiting rod 12 and the bidirectional screw rod 11 are respectively close to two sides of the mounting frame 403 in the width direction, the limiting rod 12 penetrates through the two clamping pieces 5 along the horizontal direction and is in sliding fit with the two clamping pieces 5, so that when the movement motor 10 drives the bidirectional screw rod 11 to rotate, the two clamping pieces 5 move towards directions close to or away from each other due to the threaded fit with the bidirectional screw rod 11 and under the limiting effect of the limiting rod 12. When slump is tested to slump section of thick bamboo 2, slump section of thick bamboo 2 is located between two holders 5 to when making two holders 5 move towards the direction that is close to each other, two holders 5 realize that the centre gripping of slump section of thick bamboo 2 is fixed.

Continuing to refer to fig. 1 and 2, for the stability of guaranteeing when holder 5 is fixed to the centre gripping of slump section of thick bamboo 2, two holder 5 just right one side all concave be equipped with the consistent arcwall face 13 of slump section of thick bamboo 2 outer wall radian, the arcwall face 13 of two holder 5 all is fixed with slipmat 14 through the bonding, the material of slipmat 14 is selected to rubber to increase the coefficient of friction between holder 5 and slump section of thick bamboo 2, thereby further guarantee the stability of two holder 5 when fixed to the centre gripping of slump section of thick bamboo 2.

Referring to fig. 1, the top of the bottom plate 1 is embedded with a level 15 near one side of the width direction, and the level 15 is selected as a bubble level in the embodiment of the present application, so that the staff can visually observe the level at the top of the bottom plate 1 and timely make corresponding adjustment to the level of the bottom plate 1.

The implementation principle of the concrete slump testing device for building construction in the embodiment of the application is as follows: carry out the detection experiment to the slump of concrete at the top of bottom plate 1, when needing to lift a slump section of thick bamboo 2, the rotation through motion motor 10 drive two-way lead screw 11 makes two holders 5 move towards the direction that is close to each other, and then make two holders 5 fixed to the 2 centre gripping of a slump section of thick bamboo, the rotation through lift motor 7 drive lift lead screw 8 makes installed part 4 along vertical direction motion afterwards, and then two holders 5 of comfortable butterfly drive a slump section of thick bamboo 2 along with it moves, thereby accomplish the operation of mentioning to a slump section of thick bamboo 2, slump section of thick bamboo 2 lifts because of receiving the clamping-action of holder 5 and is not easy to incline, and then easily guarantee the measuring accuracy of concrete slump.

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. The utility model provides a concrete slump testing arrangement for construction which characterized in that: including bottom plate (1), a slump section of thick bamboo (2), dead lever (3), installed part (4) and two holder (5), dead lever (3) fixed mounting is in the top of bottom plate (1), installed part (4) are slided along vertical direction and are installed in dead lever (3), dead lever (3) are provided with drive installed part (4) and follow the lifting unit that vertical direction slided, two holder (5) are installed in installed part (4), a slump section of thick bamboo (2) are located between two holder (5), installed part (4) are provided with two holder (5) of drive and are close to each other or keep away from the motion subassembly of direction motion towards.

2. The concrete slump test device for building construction according to claim 1, characterized in that: the motion subassembly includes motion motor (10), two-way lead screw (11) and gag lever post (12), two-way lead screw (11) are rotated and are installed in installed part (4), two-way lead screw (11) screw thread revolves to opposite both ends and passes two holders (5) respectively and with holder (5) screw-thread fit, motion motor (10) are installed in installed part (4) and are used for driving two-way lead screw (11) to rotate, gag lever post (12) fixed mounting in installed part (4) and with two-way lead screw (11) parallel arrangement, gag lever post (12) are worn to locate two holders (5) and are slided the cooperation with holder (5).

3. The concrete slump testing device for construction according to claim 1 or 2, wherein: and two arc-shaped surfaces (13) matched with the outer wall of the slump cone (2) are arranged on the opposite sides of the clamping pieces (5).

4. The concrete slump test device for building construction according to claim 3, characterized in that: the arc-shaped surfaces (13) of the two clamping pieces (5) are fixedly connected with anti-slip pads (14).

5. The concrete slump test device for building construction according to claim 1, characterized in that: lifting unit includes elevator motor (7) and lift lead screw (8), the groove (6) that slides along the extension of vertical direction is seted up in dead lever (3), lift lead screw (8) are rotated and are installed in groove (6) that slides, installed part (4) are including the portion of sliding (401) that is located groove (6) that slides, lift lead screw (8) are worn to locate portion of sliding (401) and with portion of sliding (401) screw-thread fit along vertical direction, elevator motor (7) are installed in dead lever (3) and are used for driving lift lead screw (8) to rotate.

6. The concrete slump test device for building construction according to claim 5, characterized in that: the cross sections of the sliding part (401) and the sliding groove (6) are both T-shaped.

7. The concrete slump test device for building construction according to claim 1, characterized in that: the fixed rod (3) is provided with scale marks (9) distributed along the vertical direction.

8. The concrete slump test device for building construction according to claim 1, characterized in that: the top of the bottom plate (1) is provided with a level gauge (15).