CN114965163A

CN114965163A - Testing device for detecting concrete fluidity

Info

Publication number: CN114965163A
Application number: CN202210559341.7A
Authority: CN
Inventors: 肖为容; 钟世帮; 朱锡
Original assignee: Guangdong Dongfang Concrete Co ltd
Current assignee: Guangdong Dongfang Concrete Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-30

Abstract

The application relates to the field of building material testing devices, in particular to a testing device for detecting the flowability of concrete. A testing device for detecting concrete fluidity comprises a slump cylinder, an iron funnel and a tamping rod, wherein the iron funnel and the tamping rod are respectively detachably connected to the slump cylinder; the tamper is connected with the mounting assembly and moves along the vertical direction. This application has the effect that improves work efficiency.

Description

Testing device for detecting concrete fluidity

Technical Field

The application relates to the field of building material testing devices, in particular to a testing device for detecting the flowability of concrete.

Background

The fluidity of concrete is expressed by slump and diffusivity. In the related art, the detection method is as follows: concrete is poured into a horn-shaped slump cone with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for 3 times, and after each filling, a rammer is used for uniformly knocking 25 times from outside to inside along the cone wall. After tamping, trowelling the concrete at the opening of the cylinder, then pulling up the cylinder upwards, enabling the concrete to naturally slump and flow, after stabilizing the concrete, measuring the height of the highest point of the concrete pile and the diameter of the diffusion surface, wherein the slump is obtained by subtracting the height of the highest point from the height of the slump cylinder, and the area of the diffusion surface is the diffusion degree.

When loading concrete, at least one person is required to charge the concrete into the slump cone and one person is required to stabilize the slump cone aside. The person who holds up a steady slump section of thick bamboo still need carry out further clamp tightly, hold to a slump section of thick bamboo when the tamping to make a slump section of thick bamboo keep the position stable, in order to avoid toppling over. The testing process requires much manpower and has low working efficiency, so the improvement is needed.

Disclosure of Invention

In order to improve work efficiency, the application provides a testing arrangement for detecting concrete mobility.

The application provides a testing arrangement for detecting concrete mobility adopts following technical scheme:

a testing device for detecting concrete fluidity comprises a slump drum, an iron funnel and a tamper, wherein the iron funnel and the tamper are detachably connected to the slump drum respectively; the tamper is connected with the mounting assembly, and the tamper moves along the vertical direction.

Through adopting above-mentioned technical scheme, when the staff added the concrete in the slump section of thick bamboo, the tight piece of clamp presss from both sides the slump section of thick bamboo outside tightly, has reduced rocking and the aversion of a slump section of thick bamboo, then the tamper carries out vertical direction removal in order to accomplish the tamping under the drive of installation component. The concrete can be added by only one worker to complete the detection, and the improvement of the working efficiency is facilitated.

Preferably, the mounting assembly comprises a mounting top plate, a support base and a clamping guide rod, the clamping guide rod is fixedly connected to the support base, one clamping block is slidably connected to one clamping guide rod, and the mounting top plate is connected with the support base; the clamping blocks are provided with pull ropes, the end parts, far away from the clamping blocks, of the pull ropes of the clamping blocks are converged to form a main rope, and the installation top plate is provided with a rope collecting assembly for adjusting the length of the main rope.

The length of the main rope is adjusted through the rope retracting assembly, and when the slump cone needs to be clamped, the main rope is tightened to drive the pull rope to enable the clamping blocks to be close to each other; when the slump cone is not required to be clamped, the main rope is loosened, and the position of the slump cone can be easily changed along with the loss of the force for tensioning the clamping block by the pull rope.

Preferably, the two sides of the clamping block are provided with elastic pieces, the other end of the elastic piece, which is far away from the clamping block, is connected with the clamping guide rod, and the deformation direction of the elastic pieces is the same as the moving direction of the clamping block.

Through adopting above-mentioned technical scheme, when the stay cord is lax, under the effect of elastic component, press from both sides tight piece and bounce open towards a slump section of thick bamboo both sides, make things convenient for the staff to change the position of a slump section of thick bamboo more.

Preferably, the rope winding assembly comprises a threaded rod and a rotary driving piece, the rotary driving piece is arranged on the mounting top plate, and the rotary driving piece is used for driving the threaded rod to rotate; the main rope is wound on the threaded rod.

Through adopting above-mentioned technical scheme, utilize the threaded rod, rotate the tightening up of driving piece completion total rope, improve degree of automation, alleviate staff's working strength.

Preferably, the mounting top plate is provided with a loading frame, and a feeding hole is formed in the mounting top plate corresponding to the loading frame; the installation top plate is internally provided with a containing cavity communicated with the feeding hole, the containing cavity is internally provided with a baffle plate in a sliding manner, and the baffle plate is connected to the installation top plate in a sliding manner.

Through adopting above-mentioned technical scheme, before the detection begins, the staff directly adds appropriate amount of concrete in the frame of charging, then changes the open length of feed inlet through separating the plate washer, has reduced the number of times that the staff made a round trip to transport the material in the testing process, only need in the testing process observe on one side can.

Preferably, the baffle plate is provided with a moving block, and the moving block is in threaded connection with the threaded rod.

Through adopting above-mentioned technical scheme, the fender passes through the cooperation of movable block and threaded rod in order to change the position, and the tight piece of clamp also can be along with the rotation of threaded rod in order to change its and the slump between the section of thick bamboo simultaneously. That is, when the threaded rod rotates and makes the baffle not block the feed inlet, the concrete in the loading frame falls into the slump cone, and the main rope is lax, and the tight piece of clamp does not press from both sides tight slump cone this moment. When the threaded rod rotates and makes the separation board block the feed inlet, the main rope is tightened up, and the tight piece of clamp presss from both sides tight with the slump section of thick bamboo, then the tamper tamps the concrete in the slump section of thick bamboo, and the slump section of thick bamboo is difficult for rocking.

Preferably, the tamper is fixedly connected to a mounting top plate, and the mounting top plate is connected with the supporting base through a moving assembly; the moving assembly comprises a vertical driving piece, the vertical driving piece is arranged on the supporting base, and the top of the vertical driving piece is connected with the mounting top plate.

Through adopting above-mentioned technical scheme, vertical driving piece drives the removal of installation roof to make the tamper accomplish the removal of vertical direction, carry out the tamping to the concrete.

Movement of the mounting head plate in the vertical direction will have a slight effect on the degree of tightening of the main ropes. That is because the inventor considers that in the tamping process, large impact force is generated, and complete rigid clamping has large influence on the service life of the clamping block, so that the movement of the mounting top plate is utilized to slightly adjust the tightening degree of the general rope so as to realize good clamping effect with flexibility.

Preferably, the moving assembly further comprises a buffer member located between the vertical driving member and the mounting top plate.

Through adopting above-mentioned technical scheme, the setting up of bolster makes the installation roof when vertical direction removes, still can have slight up-and-down wobbling effect along vertical direction. This shaking alleviates the occurrence of material separation in the concrete in the loading frame.

Preferably, the clamping blocks are in an arc shape matched with the slump cone.

Preferably, the support base is provided with a transverse plate for adding a counterweight.

In summary, the present application has the following beneficial effects:

1. when the staff added the slump section of thick bamboo with the concrete in, it was tight with the slump section of thick bamboo outside clamp to press from both sides tight piece, has reduced rocking and the aversion of a slump section of thick bamboo, then the tamper carries out vertical direction and removes in order to accomplish the tamping under the drive of installation component. The concrete can be added by only one worker to complete the detection, and the improvement of the working efficiency is facilitated.

2. The baffle plate changes the position through the matching of the moving block and the threaded rod, and meanwhile, the clamping block can change the relation between the clamping block and the slump cone along with the rotation of the threaded rod. Namely, when the threaded rod rotates to enable the baffle plate not to block the feeding hole, concrete in the loading frame falls into the slump cone, the main rope is loosened, and at the moment, the clamping block does not clamp the slump cone. When the threaded rod rotates and makes the separation board block the feed inlet, the main rope is tightened up, and the tight piece of clamp presss from both sides tight with the slump section of thick bamboo, then the tamper tamps the concrete in the slump section of thick bamboo, and the slump section of thick bamboo is difficult for rocking.

3. The buffer piece enables the installation top plate to move in the vertical direction and has a slight up-and-down shaking effect along the vertical direction. This shaking alleviates the occurrence of the situation of material separation in the concrete in the loading frame.

Drawings

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

Fig. 2 is a schematic view of the overall structure of another angle in the embodiment of the present application.

Description of reference numerals: 1. a slump cone; 2. an iron funnel; 3. tamping; 4. a clamping block; 41. pulling a rope; 42. a main rope; 5. mounting the component; 51. installing a top plate; 511. a vertical plate; 512. a feed inlet; 52. a support base; 521. a vertical slot; 53. clamping the guide rod; 531. a chute; 532. an elastic member; 6. a rope retracting assembly; 61. a threaded rod; 62. rotating the driving member; 7. a loading frame; 8. a baffle plate; 81. a moving block; 9. a moving assembly; 91. a vertical drive; 92. connecting blocks; 93. a buffer member; 10. a transverse plate.

Detailed Description

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

The embodiment of the application discloses a testing arrangement for detecting concrete mobility. Referring to fig. 1, a test device for detecting concrete fluidity comprises a slump cone 1, an iron funnel 2, a tamper 3, a clamping block 4 and a mounting assembly 5. The iron funnel 2 is detachably connected to the top of the slump cone 1 and used for guiding concrete to enter the slump cone 1. The mounting component 5 is detachably connected to the outer side of the slump cone 1, and the clamping block 4 is connected to the mounting component 5 in a sliding mode along the horizontal direction. The clamp block 4 is provided in plurality, and in this embodiment, the clamp block 4 is provided in two, and the slump cone 1 is located between the two clamp blocks 4. The tamper 3 is connected with the mounting assembly 5, and the tamper 3 stretches into in the slump cone 1 to reciprocate in order to accomplish the tamping along vertical direction.

Referring to fig. 2, the mounting assembly 5 includes a mounting top plate 51, two side support bases 52 and two side clamping guide rods 53, one clamping guide rod 53 is fixedly connected with one support base 52, one clamping block 4 is slidably connected with one clamping guide rod 53, and the slump cone 1 is located between the two side support bases 52 and the two side clamping guide rods 53. Clamping guide rod 53 is close to the side of slump section of thick bamboo 1 and has been seted up spout 531, and one side sliding connection of pressing from both sides tight piece 4 is in spout 531, and the side that presss from both sides tight piece 4 each other is close to and the outer wall butt of slump section of thick bamboo 1. The elastic members 532 are fixedly connected to two sides of the clamping block 4, the other side of the elastic member 532, which is far away from the clamping block 4, is fixedly connected to the groove wall of the sliding groove 531, and the deformation direction of the elastic member 532 is the same as the moving direction of the clamping block 4. In this embodiment, the elastic member 532 is a first spring.

Referring to fig. 1 and 2, the clamping block 4 is located at the sliding part of the sliding slot 531, and a pulling rope 41 is fixedly connected to the side surface close to the slump cone 1, and a through hole for the pulling rope 41 to pass through is formed at the end part of the clamping guide rod 53 close to the slump cone 1. The two side pulling ropes 41 extend from the clamping guide rod 53 to form a general rope 42. The mounting top plate 51 is provided with a take-up assembly 6 for adjusting the length of the total string 42. The rope collecting assembly 6 adjusts the length of the main rope 42, so that the clamping block 4 slides in the sliding groove 531, and the slump cone 1 is clamped from two sides.

Referring to fig. 1, receipts rope assembly 6 includes threaded rod 61 and rotation driving piece 62, and rotation driving piece 62 fixed connection is in the roof 51 top, and the roof 51 top is provided with the riser 511, and the one end of threaded rod 61 rotates to be connected in riser 511, and the other end of threaded rod 61 rotates to be connected in rotation driving piece 62, and threaded rod 61 is the level setting. In this embodiment, the rotary driving member 62 is a rotary motor, and the threaded rod 61 is connected to an output shaft of the rotary motor through a coupling. The general rope 42 penetrates through the mounting top plate 51 from the lower part and is wound on the rod body of the threaded rod 61.

The top of the installation top plate 51 is fixedly connected with a loading frame 7, a feeding hole 512 is arranged at the position of the installation top plate 51 corresponding to the loading frame 7, and the feeding hole 512 corresponds to the position of the iron funnel 2. The installation top plate 51 is internally provided with a containing cavity which is communicated with the feeding hole 512, a baffle plate 8 is connected in the containing cavity in a sliding manner, and the baffle plate 8 can slide out of the containing cavity to the feeding hole 512. Specifically, one side of the baffle plate 8 is fixedly connected with a moving block 81, the moving block 81 extends out of the mounting top plate 51, the moving block 81 is sleeved on the outer wall of the threaded rod 61, and the moving block 81 is in threaded connection with the threaded rod 61.

Referring to fig. 1, a worker loads concrete into a charging frame 7 at one time, and a baffle plate 8 is positioned at a feed inlet 512 to prevent the concrete from falling into a slump cone 1; the main rope 42 is in a tightened state, the clamping blocks 4 are clamped on two sides of the slump cone 1, and the position of the slump cone 1 is fixed.

When the test is needed, the rotating motor is driven, the moving block 81 drives the baffle plate 8 to move so that the feeding hole 512 is in an open state, and the concrete falls into the slump cone 1. The concrete needs to be poured into by adopting a mode of entering the cylinder in a grading way, when the concrete is poured into, the impact on the slump cone 1 is small, the slump cone 1 is not easy to shake, and the slump cone 1 does not need to be excessively clamped. After pouring into partial concrete, need carry out the tamping to the concrete, the drive rotates the motor and rotates and makes it shelter from feed inlet 512 in order to change the baffle 8 this moment, stops to pour into, and rolling total rope 42 simultaneously makes the tight section of thick bamboo 1 of tight clamp 4 clamp tight slump to realize the tamping in-process and right steady to slump section of thick bamboo 1. Thereby reciprocating.

Referring to fig. 1, the tamper 3 is fixedly connected to the mounting top plate 51, the mounting top plate 51 is connected to the support base 52 through the moving assembly 9, and the vertical position of the mounting top plate 51 is changed. The side of the support base 52 close to the slump cone 1 is provided with a vertical slot 521, and the moving assembly 9 is positioned in the vertical slot 521. The moving assembly 9 includes a vertical driving member 91, a connecting block 92 and a buffer member 93, in this embodiment, the vertical driving member 91 is a cylinder, and the buffer member 93 is a second spring. The cylinder is fixedly connected in the vertical groove 521, an output shaft of the cylinder is fixedly connected with the connecting block 92, and the top of the connecting block 92 is connected with the bottom of the buffer member 93. The installation top plate 51 is inserted into the vertical groove 521, and the top of the buffer 93 is fixedly connected with the bottom of the installation top plate 51. The position of the mounting top plate 51 is changed through the vertical driving piece 91, so that the position of the tamper 3 in the vertical direction is changed, and the tamping effect of concrete is realized.

Referring to fig. 2, in order to further improve the clamping effect of the clamping block 4 on the slump cone 1, the shape of the clamping block 4 is matched with that of the slump cone 1, and the clamping block 4 is an arc-shaped plate.

In order to further improve the stability of the supporting base 52, a transverse plate 10 is disposed on the outer side surface of the supporting base 52 and near the bottom, and a worker can place a weight block on the transverse plate 10.

The implementation principle of the testing device for detecting the concrete fluidity in the embodiment of the application is as follows: the slump cone 1 is placed between the clamping blocks 4 and below the feeding hole 512, and then under the condition that the feeding hole 512 is sealed by the baffle plate 8, a proper amount of concrete is filled into the loading frame 7. Then the rotary driving piece 62 is driven, the positions of the baffle plate 8 and the clamping block 4 are changed, the clamping block 4 is positioned at two sides of the slump cone 1, the feeding hole 512 is in an open state, and the concrete falls into the slump cone 1. After the first filling, the slump cone 1 needs to be tamped, at the moment, the driving piece 62 is driven to rotate, so that the baffle plate 8 slides to the feeding hole 512, and the clamping block 4 clamps the slump cone 1 along with the baffle plate. The vertical drive member 91 is then driven to change the position of the tamper 3 in the vertical direction to complete the tamping of the concrete.

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 testing arrangement for detecting concrete mobility, includes a slump section of thick bamboo (1), iron funnel (2), tamper (3) can be dismantled respectively and connect in a slump section of thick bamboo (1), its characterized in that, testing arrangement still includes installation component (5) and a plurality of clamp block (4), installation component (5) can be dismantled and connect in a slump section of thick bamboo (1) outside, clamp block (4) along horizontal direction sliding connection in installation component (5), a slump section of thick bamboo (1) is located the space that clamp block (4) enclose, a slump section of thick bamboo (1) outer wall and clamp block (4) side butt; the tamper (3) is connected with the mounting assembly (5), and the tamper (3) moves along the vertical direction.

2. The test device for detecting the fluidity of concrete according to claim 1, wherein: the mounting assembly (5) comprises a mounting top plate (51), a support base (52) and clamping guide rods (53), the clamping guide rods (53) are fixedly connected to the support base (52), one clamping block (4) is slidably connected to one clamping guide rod (53), and the mounting top plate (51) is connected with the support base (52); the clamp block (4) is provided with a pull rope (41), the end parts, far away from the clamp block (4), of the pull ropes (41) of the clamp blocks (4) are converged to form a main rope (42), and the installation top plate (51) is provided with a rope collecting assembly (6) for adjusting the length of the main rope (42).

3. The test device for detecting the fluidity of concrete according to claim 2, wherein: the clamping device is characterized in that elastic pieces (532) are arranged on two sides of the clamping block (4), the other end, away from the clamping block (4), of each elastic piece (532) is connected with the clamping guide rod (53), and the deformation direction of each elastic piece (532) is the same as the moving direction of the clamping block (4).

4. The test device for detecting the fluidity of concrete according to claim 2, wherein: the rope retracting assembly (6) comprises a threaded rod (61) and a rotary driving piece (62), the rotary driving piece (62) is arranged on the mounting top plate (51), and the rotary driving piece (62) is used for driving the threaded rod (61) to rotate; the main rope (42) is wound on the threaded rod (61).

5. The test device for detecting the fluidity of concrete according to claim 4, wherein: the mounting top plate (51) is provided with a loading frame (7), and a feeding hole (512) is formed in the mounting top plate (51) corresponding to the loading frame (7); the mounting structure is characterized in that a containing cavity is formed in the mounting top plate (51), the containing cavity is communicated with the feeding hole (512), a baffle plate (8) is arranged in the containing cavity in a sliding mode, and the baffle plate (8) is connected to the mounting top plate (51) in a sliding mode.

6. The test device for detecting the fluidity of concrete according to claim 5, wherein: the baffle plate (8) is provided with a moving block (81), and the moving block (81) is in threaded connection with the threaded rod (61).

7. The testing device for detecting the fluidity of concrete according to claim 5, wherein the tamper (3) is fixedly connected to a mounting top plate (51), the mounting top plate (51) being connected to the support base (52) by means of a moving assembly (9); the moving assembly (9) comprises a vertical driving piece (91), the vertical driving piece (91) is arranged on the supporting base (52), and the top of the vertical driving piece (91) is connected with the mounting top plate (51).

8. The test device for detecting the fluidity of concrete according to claim 7, wherein: the moving assembly (9) further comprises a buffer member (93), and the buffer member (93) is located between the vertical driving member (91) and the mounting top plate (51).

9. The test device for detecting the fluidity of concrete according to claim 1, wherein: the clamping block (4) is in an arc shape matched with the slump cone (1).

10. The test device for detecting the fluidity of concrete according to claim 2, wherein: the supporting base (52) is provided with a transverse plate (10) for adding a balance weight.