CN215986077U

CN215986077U - High slump retaining nature recycled concrete slump test equipment

Info

Publication number: CN215986077U
Application number: CN202122419166.5U
Authority: CN
Inventors: 何健林; 林佳豪
Original assignee: Shenzhen Jingji Concrete Co ltd
Current assignee: Shenzhen Jingji Concrete Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-08
Anticipated expiration: 2031-10-08

Abstract

The application discloses high slump retaining nature recycled concrete slump test equipment relates to concrete performance test technical field, including fixed frame, the top inner wall of fixed frame is provided with step motor, step motor's the first threaded rod of output shaft fixedly connected with, the outside of first threaded rod is provided with the lifter plate, the top symmetry fixedly connected with dead lever of fixed frame, the dead lever runs through the movable plate, the bottom both sides fixedly connected with rope of lifter plate, the lower extreme fixedly connected with slump section of thick bamboo of rope, the bottom inner wall of fixed frame is provided with the concrete heap. Drive first threaded rod through step motor and rotate for the lifter plate reciprocates, thereby drives the rope, makes the slump section of thick bamboo reciprocate, and the slump section of thick bamboo drives the bracing piece when reciprocating, makes bracing piece pulling telescopic link remove, and it is spacing to be convenient for carry out about to the slump section of thick bamboo when removing, stability when keeping the slump section of thick bamboo and removing.

Description

High slump retaining nature recycled concrete slump test equipment

Technical Field

The application relates to the technical field of concrete performance testing, in particular to high slump loss resistance recycled concrete slump testing equipment.

Background

Slump is a method and an index for measuring concrete workability, slump tests are usually carried out in construction sites and laboratories to measure the fluidity of the mixture, and visual experience is used for evaluating the cohesiveness and the water retention. The slump is measured by a quantitative index, and is used for judging whether the construction can be normally carried out. Slump test method: pouring concrete into a horn-shaped slump cone with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting 25 times along the wall of the cone from outside to inside by using a tamping hammer after each filling, tamping and leveling. Then the barrel is pulled up, the concrete generates the slump phenomenon due to the dead weight, and the height of the highest point of the slump concrete is subtracted from the barrel height (300mm), namely the slump. If the difference is 10mm, the slump is 10.

Rope drives the slump section of thick bamboo upward movement among the current concrete slump test equipment, and the shake appears easily in the slump section of thick bamboo to make the slump section of thick bamboo bump the concrete heap, make to measure inaccurately.

SUMMERY OF THE UTILITY MODEL

Unstable problem when moving upwards is followed in order to solve a slump cone, this application provides a high slump loss nature recycled concrete slump test equipment.

The application provides a high slump retaining nature recycled concrete slump test equipment adopts following technical scheme:

the utility model provides a high slump retaining nature recycled concrete slump test equipment, includes fixed frame, the top inner wall of fixed frame is provided with step motor, step motor's the first threaded rod of output shaft fixedly connected with, the outside of first threaded rod is provided with the lifter plate, the top symmetry fixedly connected with dead lever of fixed frame, the dead lever runs through the movable plate, the bottom both sides fixedly connected with rope of lifter plate, the lower extreme fixedly connected with slump section of thick bamboo of rope, the bottom inner wall of fixed frame is provided with the concrete heap, the rectangle through-hole has been seted up to the both sides of fixed frame, the inner wall fixedly connected with telescopic link of rectangle through-hole, the upper end activity of telescopic link is provided with the bracing piece, the both sides of a slump section of thick bamboo correspond the bracing piece and have seted up the spacing groove, the bracing piece stretches into the spacing inslot.

Optionally, the top inner wall of the fixed frame corresponds to the both sides fixedly connected with backup pad of step motor, the bottom fixedly connected with bottom plate of backup pad, the bottom of bottom plate is provided with fastening bolt, fastening bolt's top corresponds the bottom of step motor and is provided with the movable plate.

Optionally, a sliding groove is formed in one side, close to each other, of the supporting plate, two ends of the moving plate are connected with the sliding groove in a sliding mode, and the fastening bolt is connected with the bottom plate in a threaded mode.

Optionally, the top of the moving plate is fixedly connected with a rubber pad, and the fastening bolt is rotatably connected with the bottom of the moving plate.

Optionally, the lower end of the fastening bolt is fixedly connected with a first rotating rod.

Optionally, a movable hole is formed in the upper end of the telescopic rod, and the support rod extends into the movable hole.

Optionally, a threaded hole is formed in the top of the telescopic rod, and a second threaded rod penetrates through the threaded hole and is in threaded connection with the supporting rod.

Optionally, the top of the second threaded rod is fixedly connected with a second rotating rod.

To sum up, the beneficial effect of this application is as follows:

1. drive first threaded rod through step motor and rotate for the lifter plate reciprocates, thereby drives the rope, makes the slump section of thick bamboo reciprocate, and the slump section of thick bamboo drives the bracing piece when reciprocating, makes bracing piece pulling telescopic link remove, is convenient for carry out spacing about the slump section of thick bamboo when removing, keeps the stability when the slump section of thick bamboo removes, through fastening bolt's rotation, drives the movable plate and moves down in the spout, thereby be convenient for step motor's dismouting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;

fig. 3 is an enlarged view of the structure of fig. 1 at a.

Description of reference numerals: 1. a fixing frame; 2. a rectangular through hole; 3. stacking concrete; 4. a slump cone; 5. a first threaded rod; 6. a lifting plate; 7. a rope; 8. a stepping motor; 9. moving the plate; 10. a base plate; 11. fastening a bolt; 12. a chute; 13. a support plate; 14. a telescopic rod; 15. a support bar; 16. a second threaded rod.

Detailed Description

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

Example (b):

the embodiment of the application discloses high slump retaining nature recycled concrete slump test equipment. Referring to fig. 1-3, a high slump retaining nature recycled concrete slump test equipment, includes fixed frame 1, and the top inner wall of fixed frame 1 is provided with step motor 8, and step motor 8's output shaft fixedly connected with first threaded rod 5, the outside of first threaded rod 5 is provided with lifter plate 6. The lifting plate 6 is connected with the first threaded rod 5 through threads. The top of the fixed frame 1 is symmetrically and fixedly connected with fixed rods, the fixed rods penetrate through the movable plate 9, and the fixed rods are slidably connected with the movable plate 9. The moving plate 9 is limited by the fixed rod. The bottom both sides fixedly connected with rope 7 of lifter plate 6, rope 7 runs through and stretches into in fixed frame 1, the lower extreme fixedly connected with slump section of thick bamboo 4 of rope 7, the bottom inner wall of fixed frame 1 is provided with concrete pile 3, rectangle through-hole 2 has been seted up to the both sides of fixed frame 1, the inner wall fixedly connected with telescopic link 14 of rectangle through-hole 2, the upper end activity of telescopic link 14 is provided with bracing piece 15, slump section of thick bamboo 4's both sides correspond bracing piece 15 and have seted up the spacing groove, bracing piece 15 stretches into the spacing inslot. Step motor 8 drives first threaded rod 5 and rotates for lifter plate 6 slides on the dead lever, drives two rope 7 simultaneously and reciprocates, thereby pulling slump section of thick bamboo 4 and removes, makes slump section of thick bamboo 4 break away from concrete pile 3, and slump section of thick bamboo 4 drives bracing piece 15 and removes simultaneously, thereby bracing piece 15 pulling telescopic link 14 removes in rectangle through-hole 2, keeps the stability of slump section of thick bamboo 4 when reciprocating.

Referring to fig. 2, the inner wall of the top of the fixing frame 1 is fixedly connected with support plates 13 corresponding to both sides of the stepping motor 8, the bottom of the support plates 13 is fixedly connected with a bottom plate 10, and the bottom of the bottom plate 10 is provided with fastening bolts 11. The fastening bolt 11 is screwed with the base plate 10. The top of the fastening bolt 11 is provided with a moving plate 9 corresponding to the bottom of the stepping motor 8. The fastening bolt 11 is rotatably connected with the bottom of the moving plate 9. The lower end of the fastening bolt 11 is fixedly connected with a first rotating rod. The fastening bolt 11 is rotated on the bottom plate 10, so that the fastening bolt 11 moves downwards, and the moving plate 9 is driven to move downwards in the sliding groove 12 on the supporting plate 13, thereby facilitating the disassembly and assembly of the stepping motor 8.

Referring to fig. 2, the supporting plates 13 are provided with sliding grooves 12 at sides close to each other, and both ends of the moving plate 9 are slidably connected to the sliding grooves 12. When the fastening bolt 11 rotates, the moving plate 9 is driven to move, the moving plate 9 is limited through the sliding groove 12, and the stability of the moving plate 9 during moving is improved.

Referring to fig. 2, a rubber pad is fixedly connected to the top of the moving plate 9. When the moving plate 9 and the stepping motor 8 are in pressing contact, the friction force between the moving plate 9 and the stepping motor 8 is increased through the rubber pad, and the stability in fixing is improved.

Referring to fig. 3, the movable hole has been seted up to the upper end of telescopic link 14, and inside the bracing piece 15 stretched into the movable hole, threaded hole was seted up at the top of telescopic link 14, and threaded hole is inside to run through bracing piece 15 threaded connection and has second threaded rod 16, the second bull stick of top fixedly connected with of second threaded rod 16. The bracing piece 15 is fixed through second threaded rod 16 in the movable hole, keeps the stability of bracing piece 15 on telescopic link 14, rotates second threaded rod 16 through the second bull stick, improves second threaded rod 16 pivoted convenience.

The implementation principle of the high slump retaining recycled concrete slump test equipment of the embodiment of the application is as follows:

start step motor 8, thereby drive first threaded rod 5 and rotate, make lifter plate 6 slide on the dead lever, it reciprocates to drive two ropes 7 simultaneously, thereby pulling slump cone 4 removes, make slump cone 4 break away from concrete pile 3, slump cone 4 drives bracing piece 15 and removes simultaneously, thereby bracing piece 15 pulling telescopic link 14 removes in rectangle through-hole 2, keep slump cone 4 stability when reciprocating, bracing piece 15 and telescopic link 14 fix through second threaded rod 16, the dismantlement in the later stage of being convenient for, step motor 8 breaks down easily in long-term the use, rotate fastening bolt 11 on bottom plate 10, make fastening bolt 11 remove downwards, thereby drive movable plate 9 and remove downwards in spout 12 on backup pad 13, thereby be convenient for step motor 8's dismouting.

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 high slump retaining nature recycled concrete slump test equipment, includes fixed frame (1), its characterized in that: the top inner wall of the fixed frame (1) is provided with a stepping motor (8), the output shaft of the stepping motor (8) is fixedly connected with a first threaded rod (5), the outer side of the first threaded rod (5) is provided with a lifting plate (6), the top of the fixed frame (1) is symmetrically and fixedly connected with a fixed rod, the fixed rod penetrates through a movable plate (9), the two sides of the bottom of the lifting plate (6) are fixedly connected with a rope (7), the lower end of the rope (7) is fixedly connected with a slump cone (4), the bottom inner wall of the fixed frame (1) is provided with a concrete pile (3), the two sides of the fixed frame (1) are provided with rectangular through holes (2), the inner wall of the rectangular through holes (2) is fixedly connected with a telescopic rod (14), the upper end of the telescopic rod (14) is movably provided with a support rod (15), and the two sides of the slump cone (4) are provided with limit grooves corresponding to the support rod (15), the support rod (15) extends into the limit groove.

2. The high slump retaining recycled concrete slump test equipment of claim 1, wherein: the top inner wall of fixed frame (1) corresponds both sides fixedly connected with backup pad (13) of step motor (8), the bottom fixedly connected with bottom plate (10) of backup pad (13), the bottom of bottom plate (10) is provided with fastening bolt (11), the top of fastening bolt (11) corresponds the bottom of step motor (8) and is provided with movable plate (9).

3. The high slump retaining recycled concrete slump test equipment of claim 2, wherein: the supporting plate (13) is provided with a sliding groove (12) at one side close to each other, the two ends of the moving plate (9) are in sliding connection with the sliding groove (12), and the fastening bolt (11) is in threaded connection with the bottom plate (10).

4. The high slump retaining recycled concrete slump test equipment of claim 2, wherein: the top of the moving plate (9) is fixedly connected with a rubber pad, and the fastening bolt (11) is rotatably connected with the bottom of the moving plate (9).

5. The high slump retaining recycled concrete slump test equipment of claim 2, wherein: the lower end of the fastening bolt (11) is fixedly connected with a first rotating rod.

6. The high slump retaining recycled concrete slump test equipment of claim 1, wherein: the upper end of the telescopic rod (14) is provided with a movable hole, and the support rod (15) extends into the movable hole.

7. The high slump retaining recycled concrete slump test equipment of claim 1, wherein: the top of the telescopic rod (14) is provided with a threaded hole, and a second threaded rod (16) penetrates through the inside of the threaded hole and is in threaded connection with the supporting rod (15).

8. The high slump retaining recycled concrete slump test equipment of claim 7, wherein: the top of the second threaded rod (16) is fixedly connected with a second rotating rod.