CN213180972U

CN213180972U - A edge of a knife forming device for micro-expansive concrete restriction expansion rate is experimental

Info

Publication number: CN213180972U
Application number: CN202022057545.XU
Authority: CN
Inventors: 徐宝华; 杜浩洋; 刘海风
Original assignee: Beijing Zhuzong New Building Materials Co ltd
Current assignee: Beijing Zhuzong New Building Materials Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-11
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a edge of a knife forming device for micro-expansive concrete restriction expansion rate is experimental involves the concrete field, including the device bottom plate, the top side fixed mounting of device bottom plate has two end fixing plates, installs two side fixing plates between two end fixing plates, installs a plurality of crack inducers between two side fixing plates, and a plurality of fixed slots have all been seted up to one side that two side fixing plates are close to each other. The utility model discloses in, place the concrete in installing the mould in the crack induction ware, the mould is installed by device bottom plate, end fixing plate and side fixing plate, shakeout the concrete, and make the surface be a little higher than the mould frame, can form the edge of a knife after drying, rotatory piece rotates and drives and adjusts shelves pole and remove, after the one end of adjusting a shelves pole breaks away from a shelves pole groove, can take out the fixed block, thereby be convenient for take out the crack induction ware, change new crack induction ware to it, perhaps be convenient for clear up inside concrete residue.

Description

A edge of a knife forming device for micro-expansive concrete restriction expansion rate is experimental

Technical Field

The utility model relates to a concrete technical field especially relates to a edge of a knife forming device for micro-expansive concrete restriction expansion rate is experimental.

Background

The restricted expansion ratio (strain of induced expansion) is a strain value of an introduced steel bar when the expansion of concrete is restricted by a constraining body such as a steel bar, and is expressed by a unit length elongation of the steel bar, and the restricted expansion ratio can be obtained by measuring the deformation of a unidirectional restricting tool having a constant reinforcement ratio. The limiting expansion rate of the expanding agent is a key quality and technical index of the expanding agent product.

Concrete is when carrying out the restriction expansion ratio experiment, need place the concrete that stirs in the grinding apparatus, carry out the edge of a knife shaping with the crack induction ware, but among the traditional forming device, the crack induction ware is fixed mounting, after once the experiment, when clearing up inside concrete, more turning is not convenient for clear up, and the crack induction ware is carrying out the use, because extruded existence, lead to the damage easily, it is also very loaded down with trivial details to change, consequently, need a edge of a knife forming device who is used for the little expansion ratio experiment of expansion concrete restriction to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a edge of a knife forming device for it is experimental that micro-expansion concrete restriction expansion rate to solve traditional forming device, the crack induction ware all is fixed mounting, after once experimenting, when clearing up inside concrete, more turning is not convenient for clear up, and the crack induction ware is carrying out the use, because extruded existence, leads to damaging easily, changes also very loaded down with trivial details problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a edge of a knife forming device for it is experimental that micro-expansive concrete restriction expansion rate, includes the device bottom plate, the top side fixed mounting of device bottom plate has two tip fixed plates, installs two side fixing plates between two tip fixed plates, installs a plurality of crack inducers between two side fixing plates, and a plurality of fixed slots have all been seted up to one side that two side fixing plates are close to each other, and the equal fixed mounting in both sides of crack inducers has a fixed block, fixed block movable mounting in the fixed slot, the adjustment tank has been seted up on one side inner wall that crack inducers was kept away from to the fixed slot, and movable mounting has the regulation shelves pole in the adjustment tank, and the bottom side of adjusting the shelves pole is the arc design.

Preferably, a threaded rotating rod is movably mounted on one side of the gear adjusting rod, and one end of the threaded rotating rod extends out of the side fixing plate.

Preferably, one end of the threaded rotating rod is fixedly provided with a rotating block, and the rotating block is sleeved with an anti-slip sleeve.

Preferably, a threaded hole is formed in one side of the side fixing plate, and one end of the threaded rotating rod penetrates through the threaded hole.

Preferably, a circulation groove is formed in one side of the adjusting stop rod, a circular rotating groove is formed in the inner wall of one side of the circulation groove, one end of the threaded rotating rod movably penetrates through the circulation groove and extends into the circular rotating groove, a circular rotating block is fixedly mounted at one end of the threaded rotating rod, and the circular rotating block is rotatably mounted in the circular rotating groove.

Preferably, one side of the fixed block is provided with a stop lever groove, and the stop lever groove is matched with the adjusting stop lever.

Preferably, the top side of the adjusting stop lever is fixedly provided with a limiting slide block, the inner wall of the top side of the adjusting groove is provided with a limiting slide groove, and the top side of the limiting slide block is slidably arranged in the limiting slide groove.

The utility model has the advantages that:

the utility model discloses in, place the concrete in the mould of installing crack induction ware, the mould is installed by device bottom plate, end fixing plate and side fixing plate, paves the concrete to make the surface slightly higher than the mould frame, after drying, can form the edge of a knife, the rotatory piece rotates and can drive and adjust the shelves pole and move, after the one end of adjusting the shelves pole breaks away from shelves pole groove, can take out the fixed block, thereby be convenient for take out crack induction ware, change new crack induction ware to it, perhaps be convenient for clear up the concrete residue of inside;

the utility model discloses in, after the clearance installation, rotatory screw thread bull stick once more, the screw thread bull stick rotates and can drives and adjust the shelves pole and remove, it removes and removes to shelves pole inslot to adjust the shelves pole, can carry out the chucking to the position of fixed block and fix, because the bottom side of adjusting the shelves pole is the arc design again, make and adjust the shelves pole at continuous propulsive in-process, can extrude the fixed block downwards, thereby can drive crack induction ware move down and with the top side in close contact with of device bottom plate, avoid the bottom side of concrete infiltration crack induction ware.

Drawings

FIG. 1 is a left-side perspective structural schematic view of a knife edge forming device for a micro-expansive concrete limited expansion rate test, which is provided by the utility model;

FIG. 2 is a right-side perspective structural schematic view of a knife edge forming device for a micro-expansive concrete limited expansion rate test, which is provided by the utility model;

FIG. 3 is a schematic structural diagram of a cross section of a knife edge forming device for a micro-expansive concrete limited expansion rate test, which is provided by the utility model;

fig. 4 is a schematic structural diagram of a part a in fig. 3 of a knife edge forming device for a micro-expansive concrete limited expansion rate test, which is provided by the utility model.

In the figure: 1. a device chassis; 2. an end fixing plate; 3. a side fixing plate; 4. a crack inducer; 5. fixing grooves; 6. a fixed block; 7. an adjustment groove; 8. adjusting a gear lever; 9. a gear lever groove; 10. a limiting slide block; 11. a limiting chute; 12. a threaded rotating rod; 13. a threaded hole; 14. rotating the block; 15. a circulation tank; 16. a circular rotary groove; 17. and (5) a round rotating block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a knife edge forming device for micro-expansion concrete limited expansion rate test, comprising a device base plate 1, two end fixing plates 2 fixedly installed on the top side of the device base plate 1, two side fixing plates 3 installed between the two end fixing plates 2, a plurality of crack inducers 4 installed between the two side fixing plates 3, a plurality of fixing grooves 5 respectively installed on the sides of the two side fixing plates 3 close to each other, fixing blocks 6 fixedly installed on both sides of the crack inducers 4, the fixing blocks 6 movably installed in the fixing grooves 5, an adjusting groove 7 installed on the inner wall of one side of the fixing groove 5 far away from the crack inducers 4, an adjusting lever 8 movably installed in the adjusting groove 7, the bottom side of the adjusting lever 8 is arc-shaped, the adjusting lever 8 is adapted to the fixing blocks 6, so as to take out the crack inducers 4 and replace them with new crack inducers 4, or to facilitate cleaning of the concrete residues inside.

The utility model discloses in, one side movable mounting that adjusts shelves pole 8 has screw thread bull stick 12, and outside the one end of screw thread bull stick 12 extended to side fixed plate 3, screw thread bull stick 12 rotated, can drive and adjust shelves pole 8 and remove.

The utility model discloses in, the one end fixed mounting of screw bull 12 has rotatory piece 14, has cup jointed the antiskid cover on the rotatory piece 14, can drive screw bull 12 and rotate through rotating rotatory piece 14.

The utility model discloses in, threaded hole 13 is seted up to one side of side fixed plate 3, and the one end screw thread of screw thread bull stick 12 runs through screw hole 13, rotates screw thread bull stick 12 and carries on spacingly, and when screw thread bull stick 12 rotated, can remove under screw hole 13's effect.

The utility model discloses in, circulation groove 15 has been seted up to one side of adjusting shelves pole 8, circular groove 16 has been seted up on one side inner wall of circulation groove 15, the one end activity of screw thread bull stick 12 runs through circulation groove 15 and extends to in circular groove 16, the one end fixed mounting of screw thread bull stick 12 has circular commentaries on classics piece 17, circular commentaries on classics piece 17 rotates and installs in circular groove 16, screw thread bull stick 12 rotates, can drive circular commentaries on classics piece 17 at 16 internal rotations of circular groove to be convenient for drive and adjust shelves pole 8 and remove.

The utility model discloses in, shelves pole groove 9 has been seted up to one side of fixed block 6, shelves pole groove 9 with adjust shelves pole 8 looks adaptation, adjust shelves pole 8 and remove to shelves pole inslot 9, can carry out the chucking to the position of fixed block 6 and fix.

The utility model discloses in, the top side fixed mounting who adjusts shelves pole 8 has limit slider 10, has seted up spacing spout 11 on the top side inner wall of adjustment tank 7, and limit slider 10's top side slidable mounting is spacing in spacing spout 11 to the removal of adjusting the shelves pole 8.

This practical theory of operation:

in the utility model, the concrete is placed in the mould installed in the crack inducer 4, the mould is installed by the device bottom plate 1, the end fixing plate 2 and the side fixing plate 3, the concrete is flattened, the surface is slightly higher than the mould frame, after being dried, a knife edge can be formed, but when the damaged crack inducer 4 is cleaned or replaced, a worker rotates the rotary block 14, the rotary block 14 rotates to drive the screw thread rotary rod 12 to rotate, the screw thread rotary rod 12 rotates to drive the circular rotary block 17 to rotate in the circular rotary groove 16, thereby driving the adjusting gear rod 8 to move, the adjusting gear rod 8 moves to drive the limiting slide block 10 to slide in the limiting slide groove 11, when one end of the adjusting gear rod 8 is separated from the gear rod groove 9, the fixed block 6 can be taken out, thereby the crack inducer 4 is convenient to take out, the crack inducer 4 which is replaced newly, or the concrete residue inside is convenient to clean, after the clearance installation, rotatory screw thread bull stick 12 once more, screw thread bull stick 12 rotates and can drive and adjust a grade pole 8 and remove, adjust a grade pole 8 and remove and move to a grade pole groove 9 in, can carry out the chucking to the position of fixed block 6 and fix, because the bottom side of adjusting a grade pole 8 is the arc design again, make and adjust a grade pole 8 at the continuous propulsive in-process, can extrude fixed block 6 downwards, thereby can drive crack induction ware 4 downstream and with the top side in close contact with of device bottom plate 1, avoid the bottom side of concrete infiltration crack induction ware 4, high durability and convenient use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a edge of a knife forming device for little expansive concrete restriction expansion rate is experimental, includes device bottom plate (1), the top side fixed mounting of device bottom plate (1) has two end fixing plate (2), installs two side fixing plate (3) between two end fixing plate (2), installs a plurality of crack inducers (4), its characterized in that between two side fixing plate (3): a plurality of fixed slots (5) have all been seted up to one side that two side fixing plates (3) are close to each other, and the equal fixed mounting in both sides of crack induction ware (4) has fixed block (6), and fixed block (6) movable mounting has seted up on one side inner wall of crack induction ware (4) in fixed slot (5), has seted up adjustment tank (7) on fixed slot (5) keep away from one side inner wall of crack induction ware (4), and movable mounting has regulation shelves pole (8) in adjustment tank (7), and the bottom side of regulation shelves pole (8) is the arc design, adjusts shelves pole (8) and fixed block (6) looks adaptation.

2. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 1, wherein: one side of the adjusting gear lever (8) is movably provided with a threaded rotating rod (12), and one end of the threaded rotating rod (12) extends out of the side fixing plate (3).

3. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 2, wherein: one end of the threaded rotating rod (12) is fixedly provided with a rotating block (14), and the rotating block (14) is sleeved with an anti-slip sleeve.

4. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 1, wherein: one side of the side fixing plate (3) is provided with a threaded hole (13), and one end of the threaded rotating rod (12) penetrates through the threaded hole (13).

5. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 1, wherein: a circulation groove (15) is formed in one side of the adjusting gear lever (8), a round rotating groove (16) is formed in the inner wall of one side of the circulation groove (15), one end of the threaded rotating rod (12) movably penetrates through the circulation groove (15) and extends into the round rotating groove (16), a round rotating block (17) is fixedly mounted at one end of the threaded rotating rod (12), and the round rotating block (17) is rotatably mounted in the round rotating groove (16).

6. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 1, wherein: and a stop rod groove (9) is formed in one side of the fixed block (6), and the stop rod groove (9) is matched with the adjusting stop rod (8).

7. The knife-edge forming device for the limited expansion rate test of the micro-expansive concrete according to claim 1, wherein: the top side of the adjusting stop lever (8) is fixedly provided with a limiting sliding block (10), the inner wall of the top side of the adjusting groove (7) is provided with a limiting sliding groove (11), and the top side of the limiting sliding block (10) is slidably arranged in the limiting sliding groove (11).