CN212903801U

CN212903801U - Concrete structure shock resistance test device

Info

Publication number: CN212903801U
Application number: CN202021827507.1U
Authority: CN
Inventors: 张大利; 杨雪; 刘红梅
Original assignee: Kashgar University
Current assignee: Kashgar University
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-06
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a concrete structure impact test device, including test platform, test platform's top casing is equipped with fixing device, fixing device's inboard joint has the concrete structure main part, the top of concrete structure main part is equipped with the outer sleeve, the fixed division board that has cup jointed in the bottom inner circle of outer sleeve, the dead lever has been cup jointed in the middle part inner circle activity of division board, fixedly connected with test ball and push pedal respectively at the both ends of dead lever, the fixed telescope that has cup jointed in the top inner circle of outer sleeve, the fixed mount table that has cup jointed in telescope's top inner circle, the equal fixedly connected with hydraulic stem of bottom both sides casing outer wall of mount table. The utility model discloses at first can accomplish the location to the concrete test block fast, data accuracy nature when can improving the test of concrete test block like this, then can also accomplish taking out and installing again of steel ball fast, can fully improve concrete impact test's work efficiency like this.

Description

Concrete structure shock resistance test device

Technical Field

The utility model relates to a concrete detection technical field especially relates to a concrete structure shock resistance test device.

Background

The level of impact resistance to compression and impact of concrete is an important aspect in evaluating the dynamic performance of concrete. In airport runways, highway pavements, bridge decks and even modern protection structure projects with impact resistance, explosion resistance and earthquake resistance, higher requirements are put forward on the impact resistance and the pressure impact resistance of concrete.

When the existing concrete structure impact resistance test device is used for testing, the detection efficiency is too slow, the operation is complex, and the steel ball cannot be conveniently and quickly taken out, so that the concrete structure impact resistance test device is provided.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a concrete structure shock resistance test device.

(II) technical scheme

The utility model provides a concrete structure impact test device, including test platform, test platform's top casing is equipped with fixing device, fixing device's inboard joint has the concrete structure main part, the top of concrete structure main part is equipped with the outer sleeve, the fixed division board that has cup jointed in the bottom inner circle of outer sleeve, the dead lever has been cup jointed in the middle part inner circle activity of division board, fixedly connected with test ball and push pedal respectively at the both ends of dead lever, the fixed telescope that has cup jointed in the top of outer sleeve, the fixed mount table that has cup jointed in telescope's top inner circle, the equal fixedly connected with hydraulic stem of bottom both sides casing outer wall of mount table, the bottom fixed connection of hydraulic stem is on test platform's top casing.

Preferably, the fixing device comprises a bolt, an outer ring of the bolt is rotatably sleeved in a screw hole of a top shell of the fixing device, a pressing plate is welded at the bottom of the bolt, and a shell on one side of the pressing plate is fixedly connected to the outer wall of a bottom shell of the outer sleeve.

Preferably, the opening has been seted up to the positive top casing of outer sleeve, the top outer lane cover of dead lever is equipped with reset spring, reset spring's both ends respectively fixed connection on the top casing of division board and on the bottom casing of push pedal, the top casing of push pedal is located under the opening.

Preferably, the back top shells inner wall of mount table has driving motor through bolted connection, driving motor's output shaft fixedly connected with spur gear, the top and the bottom casing of spur gear all are equipped with the pinion rack, the spur gear meshes the transmission with the pinion rack.

Preferably, one side casing fixedly connected with slide of pinion rack, the top casing fixedly connected with slider of slide, the equal fixedly connected with slider of top casing and the bottom casing of mount table, two spouts have all been seted up to the top shells inner wall and the bottom shells inner wall of mount table, the outer lane slip of slider cup joints in the inner circle of spout.

Preferably, the bottom shell on one side, close to each other, of each of the two sliding plates is fixedly connected with a clamping block, a groove is formed in the top shell of each clamping block, a steel ball is arranged above the groove, and the steel ball is located right above the telescopic sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

through the structures such as the outer sleeve, the isolation plate, the fixed rod, the test ball, the push plate, the telescopic sleeve and the like, the steel ball falls above the push plate from the top of the telescopic sleeve, the push plate drives the test ball to pound to the concrete structure body through the fixed rod, and finally the push plate is pushed by the reset spring to drive the steel ball to fall out of the inner part of the outer sleeve;

through driving motor, straight-teeth gear, pinion rack, slide, clamp splice isotructure, driving motor drives the straight-teeth gear and rotates, and the straight-teeth gear drives slide and clamp splice through the pinion rack and removes, can make the steel ball landing when two clamp splices keep away from each other, can fix the steel ball when two clamp splices are close to each other.

Drawings

Fig. 1 is a front view schematic structural diagram of a concrete structure impact resistance testing device provided by the utility model;

FIG. 2 is a schematic view of a cross-sectional structure of an outer sleeve of the anti-impact testing apparatus for a concrete structure according to the present invention;

fig. 3 is a schematic side view of the driving motor of the impact resistance testing device for a concrete structure.

In the figure: the device comprises a test platform 1, a fixing device 2, a concrete structure body 3, an outer sleeve 4, an isolation plate 5, a fixing rod 6, a test ball 7, a push plate 8, a telescopic sleeve 9, a mounting table 10, a hydraulic rod 11, a driving motor 12, a straight gear 13, a toothed plate 14, a sliding plate 15, a clamping block 16 and a steel ball 17.

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.

As shown in fig. 1-3, the utility model provides a concrete structure shock resistance test device, including test platform 1, test platform 1's top casing is equipped with fixing device 2, fixing device 2's inboard joint has concrete structure main part 3, concrete structure main part 3's top is equipped with outer sleeve 4, the fixed cover of the bottom inner circle of outer sleeve 4 has cup jointed division board 5, dead lever 6 has been cup jointed in the middle part inner circle activity of division board 5, fixedly connected with test ball 7 and push pedal 8 respectively at the both ends of dead lever 6, the fixed cover of the top inner circle of outer sleeve 4 has cup jointed telescopic sleeve 9, the fixed cover of the top inner circle of telescopic sleeve 9 has cup jointed mount table 10, the equal fixedly connected with hydraulic stem 11 of bottom both sides casing outer wall of mount table 10, the bottom fixed connection of hydraulic stem 11 is on test platform 1's top.

In an alternative embodiment, the fixing device 2 comprises a bolt, an outer ring of the bolt is rotatably sleeved in a screw hole of a top shell of the fixing device 2, a pressing plate is welded at the bottom of the bolt, and a shell on one side of the pressing plate is fixedly connected to the outer wall of a bottom shell of the outer sleeve 4.

In an alternative embodiment, the front top shell of the outer sleeve 4 is provided with an opening, the outer ring of the top end of the fixing rod 6 is sleeved with a return spring, two ends of the return spring are fixedly connected to the top shell of the isolation plate 5 and the bottom shell of the push plate 8 respectively, and the top shell of the push plate 8 is located right below the opening.

In an alternative embodiment, a driving motor 12 is connected to the inner wall of the top housing of the back of the mounting table 10 through a bolt, a spur gear 13 is fixedly connected to an output shaft of the driving motor 12, both the top and bottom housings of the spur gear 13 are provided with toothed plates 14, and the spur gear 13 is in meshing transmission with the toothed plates 14.

In an optional embodiment, a sliding plate 15 is fixedly connected to one side shell of the toothed plate 14, a sliding block is fixedly connected to a top shell of the sliding plate 15, sliding blocks are fixedly connected to both a top shell and a bottom shell of the mounting table 10, two sliding grooves are formed in both the inner wall of the top shell and the inner wall of the bottom shell of the mounting table 10, and an outer ring of the sliding block is slidably sleeved in an inner ring of the sliding grooves.

In an alternative embodiment, the bottom shell on the side where the two sliding plates 15 are close to each other is fixedly connected with a clamping block 16, the top shell of the clamping block 16 is provided with a groove, a steel ball 17 is arranged above the groove, and the steel ball 17 is positioned right above the telescopic sleeve 9.

The working principle is as follows: firstly, because the steel ball 17 is positioned right above the telescopic sleeve 9, the steel ball 17 can slide over the push plate 8 through the telescopic sleeve 9, the inner ring at the bottom of the outer sleeve 4 is fixedly sleeved with the isolation plate 5, the middle inner ring of the isolation plate 5 is movably sleeved with the fixing rod 6, and the bottom end of the fixing rod 6 is fixedly connected with the test ball 7, so the push plate 8 can drive the test ball 7 to smash towards the concrete structure main body 3 through the fixing rod 6, and because the outer ring at the top end of the fixing rod 6 is sleeved with the reset spring, two ends of the reset spring are respectively and fixedly connected to the top shell of the isolation plate 5 and the bottom shell of the push plate 8, so the push plate 8 can be pushed by the reset spring to drive the steel ball 17 to fall out of the inner part of the outer sleeve 4;

secondly, because the back top shells inner wall of mount table 10 has driving motor 12 through bolted connection, driving motor 12's output shaft fixedly connected with spur gear 13, consequently driving motor 12 can drive spur gear 13 and rotate, and the top of spur gear 13 and bottom casing all are equipped with pinion rack 14, one side casing fixedly connected with slide 15 of pinion rack 14, slide 15's top casing and bottom casing sliding connection respectively are on the top shells inner wall and the bottom shells inner wall of mount table 10, and spur gear 13 and pinion rack 14 meshing transmission, consequently, spur gear 13's rotation can drive slide 15 and clamp splice 16 through pinion rack 14 and move, can make steel ball 17 landing when two clamp splices 16 keep away from each other, can fix steel ball 17 when two clamp splices 16 are close to each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. A concrete structure impact resistance test device comprises a test platform (1) and is characterized in that a fixing device (2) is arranged on a top shell of the test platform (1), a concrete structure main body (3) is clamped on the inner side of the fixing device (2), an outer sleeve (4) is arranged above the concrete structure main body (3), a partition plate (5) is fixedly sleeved on a bottom inner ring of the outer sleeve (4), a fixing rod (6) is movably sleeved on a middle inner ring of the partition plate (5), a test ball (7) and a push plate (8) are respectively and fixedly connected to two ends of the fixing rod (6), a telescopic sleeve (9) is fixedly sleeved on a top inner ring of the outer sleeve (4), a mounting table (10) is fixedly sleeved on the top inner ring of the telescopic sleeve (9), and hydraulic rods (11) are fixedly connected to outer walls of shells on two sides of the bottom of the mounting table (10), the bottom of the hydraulic rod (11) is fixedly connected to the top shell of the test platform (1).

2. The concrete structure impact test device according to claim 1, wherein the fixing device (2) comprises a bolt, an outer ring of the bolt is rotatably sleeved in a screw hole of a top shell of the fixing device (2), a pressing plate is welded at the bottom of the bolt, and a side shell of the pressing plate is fixedly connected to the outer wall of a bottom shell of the outer sleeve (4).

3. The concrete structure impact test device of claim 1, wherein the front top shell of the outer sleeve (4) is provided with an opening, the top end of the fixed rod (6) is sleeved with a return spring, two ends of the return spring are respectively and fixedly connected to the top shell of the isolation plate (5) and the bottom shell of the push plate (8), and the top shell of the push plate (8) is positioned right below the opening.

4. The concrete structure impact resistance test device according to claim 1, wherein the top shell inner wall of the back of the installation platform (10) is connected with a driving motor (12) through a bolt, an output shaft of the driving motor (12) is fixedly connected with a spur gear (13), both the top and bottom shells of the spur gear (13) are provided with toothed plates (14), and the spur gear (13) is in meshing transmission with the toothed plates (14).

5. The concrete structure impact resistance test device according to claim 4, wherein a sliding plate (15) is fixedly connected to one side shell of the toothed plate (14), a sliding block is fixedly connected to a top shell of the sliding plate (15), both a top shell and a bottom shell of the mounting table (10) are fixedly connected with sliding blocks, both inner walls of the top shell and the bottom shell of the mounting table (10) are provided with two sliding grooves, and an outer ring of the sliding block is slidably sleeved in an inner ring of the sliding groove.

6. An impact resistance test device for a concrete structure according to claim 5, characterized in that a clamping block (16) is fixedly connected to the bottom shell of one side of each of the two sliding plates (15) close to each other, a groove is formed in the top shell of the clamping block (16), a steel ball (17) is arranged above the groove, and the steel ball (17) is positioned right above the telescopic sleeve (9).