CN208672499U - A kind of concrete quality measurement device - Google Patents

Abstract

The utility model discloses a kind of concrete quality measurement devices, including outer framework, lifter plate, drill bit and hold-down mechanism, the lifter plate, which slides up and down, to be connected in the outer framework, the hold-down mechanism is fixed on the outer framework for the lifter plate to be pressed downward, the drill bit is mounted on the bottom of the lifter plate, the hold-down mechanism includes rack gear, cylindricality reel, taper reel and clockwork spring, the rack gear is fixedly connected with the lifter plate, the cylindricality reel and taper reel are rotatably connected on respectively on the outer framework, the cylindricality reel is equipped with and the rack gear meshed gears, the cylindricality reel and taper reel are mutually driven by drawstring, the clockwork spring drives the taper reel rotation.The utility model lies in that providing a kind of concrete quality measurement device, structure is simple, low in cost, is conducive to promote.

Description

A kind of concrete quality measurement device

Technical field

The utility model relates to concrete determination techniques field, in particular to a kind of concrete quality measurement device.

Background technique

When carrying out reliability determination to concrete structure quality, the mechanical property of concrete material must be used to join Number, these parameters can be obtained by consulting the completion information of building, but in most cases should be by on-site test come really It is fixed.Wherein intensive parameter is one of most important mechanical property of concrete quality.In existing concrete strength meter, all it is It is placed on concrete plane and detects, be transferred to concrete surface using drill bit, apply constant pressure to drill bit when piercing, examine The depth that pierces of drill bit of unit time is surveyed to judge the intensity of concrete.But have to make when maintaining drill pressure constant It is controlled with electronic equipments such as pressure sensors, it is expensive, it is unfavorable for promoting.

Summary of the invention

For the above-mentioned prior art, the utility model lies in that providing a kind of concrete quality measurement device, structure is simple, at This is cheap, is conducive to promote.

The technical scheme of the present invention is realized as follows:

A kind of concrete quality measurement device, including outer framework, lifter plate, drill bit and hold-down mechanism, on the lifter plate Lower slider is connected in the outer framework, and the hold-down mechanism is fixed on the outer framework for the lifter plate is downward Pressure, the drill bit are mounted on the bottom of the lifter plate, and the hold-down mechanism includes rack gear, cylindricality reel, taper reel and hair Bar spring, the rack gear are fixedly connected with the lifter plate, and the cylindricality reel and taper reel are rotatably connected on described respectively On outer framework, the cylindricality reel is equipped with and the rack gear meshed gears, and the cylindricality reel and taper reel pass through drawstring Mutually driving, the clockwork spring drive the taper reel rotation.

Further, the outer framework includes restocking, studdle and undercarriage, and the restocking and undercarriage are triangle knot Structure, three Angle Positions of the undercarriage are respectively fixed with studdle, and three Angle Positions of the restocking, which are respectively provided with, to be worn Cross the through-hole of the studdle, it is described on be provided with stop nut with studdle cooperation, it is described on be provided with gas Soaked level.

Further, the lifter plate is rectangular configuration, and four angles of the lifter plate are equipped with telescopic rod, described in four The upper end of telescopic rod is connected with restocking.

Further, the motor of the drill bit and control switch electrical connection.

Further, the control switch includes controller, timer and switch relay, the timer and switch after Electric appliance is electrically connected with controller respectively, and the switch relay is for controlling motor power on/off.

Further, the telescopic rod includes first sleeve and the second casing, and second casing is in the first sleeve It is inside slidably connected, second casing is equipped with scale.

The utility model has the beneficial effects that: outer framework is pressed on the surface of concrete when measuring concrete thickness, rise Drop plate and outer framework slide up and down connection, and lifter plate is pressed downward by the hold-down mechanism on outer framework, and drill bit is mounted on lifter plate Beneath, drill bit is pressed on concrete surface by lifter plate, and drill bit rotation pierces in concrete, at the same using the timers such as stopwatch into Row timing measures the depth of the concrete pierced after piercing.It is mixed to calculate using the depth of time and drill bit pierced The intensity for coagulating soil, the intensity of concrete is calculated by two kinds of data, is conducive to the measurement accuracy for improving apparatus main body, is reduced Fault rate.Hold-down mechanism is constant to the pressure of lifter plate.Drill bit is fixed on the bottom of lifter plate, it is ensured that when drill bit is to drilling concrete Pressure is constant, that is, the pressure pierced is constant.Not needing the electronic control components such as pressure sensor can guarantee the pressure pierced not Becoming, structure is simple, and it is low in cost, it is conducive to promote.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is a kind of concrete quality measurement device front view of the utility model；

Fig. 2 is a kind of concrete quality measurement device top view of the utility model；

Fig. 3 is the utility model hold-down mechanism structural schematic diagram；

Fig. 4 is the utility model control circuit schematic diagram；

In figure, 1 outer framework, 2 lifter plates, 3 drill bits, 4 hold-down mechanisms, 5 rack gears, 6 cylindricality reels, 7 taper reels, 8 clockwork springs Spring, 9 drawstrings, 10 restockings, 11 studdles, 12 undercarriages, 13 stop nuts, 14 air-bubble levels, 15 telescopic rods, 16 controls Device, 17 timers, 18 switch relays, 19 first sleeves, 20 second casings, 21 scales, 22 through-holes, 23 gears.

Specific embodiment

In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing It is novel to be described further.

Referring to Fig. 1 to 4, a kind of concrete quality measurement device, including outer framework 1, lifter plate 2, drill bit 3 and hold-down mechanism 4, the lifter plate 2, which slides up and down, to be connected in the outer framework 1, and the hold-down mechanism 4 is fixed on the outer framework 1 and is used for The lifter plate 2 is pressed downward, the drill bit 3 is mounted on the bottom of the lifter plate 2, the hold-down mechanism 4 include rack gear 5, Cylindricality reel 6, taper reel 7 and clockwork spring 8, the rack gear 5 are fixedly connected with the lifter plate 2,6 He of cylindricality reel Taper reel 7 is rotatably connected on respectively on the outer framework 1, and the cylindricality reel 6 is equipped with and 5 meshed gears of rack gear 23, the cylindricality reel 6 and taper reel 7 are mutually driven by drawstring 9, and the clockwork spring 8 drives 7 turns of the taper reel It is dynamic.Preferably, it is equipped with spiral groove on the cylindricality reel 6 and taper reel 7, facilitates the winding of drawstring 9.

When measuring concrete thickness, outer framework 1 is pressed in the surface of concrete, 1 company of sliding up and down of lifter plate 2 and outer framework It connects, lifter plate 2 is pressed downward by the hold-down mechanism 4 on outer framework 1, and drill bit 3 is mounted on the beneath of lifter plate 2, and lifter plate 2 is by drill bit 3 are pressed on concrete surface, and the rotation of drill bit 3 pierces in concrete, while carrying out timing using timers such as stopwatches, pierces end The depth of the concrete pierced is measured afterwards.The intensity that concrete is calculated using the depth of time and drill bit 3 pierced, is passed through Two kinds of data calculate the intensity of concrete, are conducive to the measurement accuracy for improving apparatus main body, reduce fault rate.Such as unit The time for needing to spend in the depth or unit depth of concrete is pierced in time.During being pressed downward, lifter plate 2 It is connected with rack gear 5, the gear 23 on rack gear 5 and cylindricality reel 6 engages, and the cylindricality reel 6 and the taper reel 7 pass through Drawstring 9 mutually drives, and clockwork spring 8 and the taper reel 7 connect and apply pressure to taper reel 7, in release elastic force During 8 deformation degree of clockwork spring constantly becomes smaller in the process, and driving moment constantly reduces, and cylindricality reel 6 rotates, due to What cylindricality reel 6 and the taper reel 7 were mutually driven by drawstring 9, drawstring 9 is from the one ends wound of cylindricality reel 6 to another End, while also from the one ends wound of taper reel 7 to the other end, during the variation of 9 winding position of drawstring, drawstring 9 is acted on Constantly change in the torque of taper reel 7, and the moment loading for acting on cylindricality reel 6 is constant.8 shape of clockwork spring is compensated with this Moment variations in change guarantee that hold-down mechanism 4 is constant to the pressure of lifter plate 2.Drill bit 3 is fixed on the bottom of lifter plate 2, it is ensured that Pressure is constant when drill bit 3 is to drilling concrete, that is, the pressure pierced is constant.The electronic control components such as pressure sensor are not needed Guarantee that the pressure pierced is constant, structure is simple, low in cost.

Specifically, the outer framework 1 includes restocking 10, studdle 11 and undercarriage 12, the restocking 10 and undercarriage 12 are equal For triangular structure, three Angle Positions of the undercarriage 12 are respectively fixed with studdle 11, three angles position of the restocking 10 Set the through-hole 22 being respectively provided with across the studdle 11, the restocking 10 is equipped with to be cooperated with the studdle 11 Stop nut 13, the restocking 10 are equipped with air-bubble level 14.Undercarriage 12 is fixed and clamped on the surface of concrete, undercarriage 12 It is fixed with studdle 11, and studdle 11 passes through the through-hole 22 of restocking 10, and limits restocking 10 using stop nut 13 Position in studdle 11, restocking 10 are equipped with air-bubble level 14, pass through the bubble position in observation air-bubble level 14 The levelness for judging restocking 10 is set, the position of stop nut 13 is adjusted, is located at restocking 10 on horizontal plane, drill bit 3 is avoided to work When bore partially, improve the precision of detection.

Specifically, the lifter plate 2 is rectangular configuration, four angles of the lifter plate 2 are equipped with telescopic rod 15, four institutes The upper end and restocking 10 for stating telescopic rod 15 connect.Telescopic rod 15 is fixedly connected with restocking 10, lifter plate 2, from four positions into Row limits the up and down motion of lifter plate 2, and lifter plate 2 is avoided to tilt.

Specifically, the motor and control switch of the drill bit 3 are electrically connected.The rotation of motor, side are controlled by control switch Just electric motor starting and stopping are controlled, timing is facilitated.

Specifically, the control switch includes controller 16, timer 17 and switch relay 18,17 He of timer Switch relay 18 is electrically connected with controller 16 respectively, and the switch relay 18 is for controlling motor power on/off.Timer 17 It carries out timing and timing signal is transferred to controller 16, when the time reaching preset time, 16 control switch relay of controller Device 18, which works, disconnects the circuit of motor, and drill bit 3 stops working, and facilitates timing.

Specifically, the telescopic rod 15 includes first sleeve 19 and the second casing 20, second casing 20 is described the It is slidably connected in sleeve 19, second casing 20 is equipped with scale 21.When drill bit 3 pierces in mixed mud, the second casing 20 move relative to 19 position of first sleeve, by the difference of reading of scale 21, show that drill bit 3 pierces the depth of concrete, side Just it calculates.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (6)

1. a kind of concrete quality measurement device, which is characterized in that described including outer framework, lifter plate, drill bit and hold-down mechanism Lifter plate, which slides up and down, to be connected in the outer framework, and the hold-down mechanism is fixed on the outer framework and is used for the lifting Plate is pressed downward, and the drill bit is mounted on the bottom of the lifter plate, and the hold-down mechanism includes rack gear, cylindricality reel, taper volume Disk and clockwork spring, the rack gear are fixedly connected with the lifter plate, and the cylindricality reel and taper reel are rotatablely connected respectively On the outer framework, the cylindricality reel is equipped with and the rack gear meshed gears, and the cylindricality reel and taper reel are logical It crosses drawstring mutually to drive, the clockwork spring drives the taper reel rotation.

2. a kind of concrete quality measurement device according to claim 1, which is characterized in that the outer framework includes upper Frame, studdle and undercarriage, the restocking and undercarriage are triangular structure, and three Angle Positions of the undercarriage are respectively fixed with Studdle, three Angle Positions of the restocking are respectively provided with the through-hole across the studdle, it is described on be provided with With the studdle cooperation stop nut, it is described on be provided with air-bubble level.

3. a kind of concrete quality measurement device according to claim 2, which is characterized in that the lifter plate is rectangle knot Four angles of structure, the lifter plate are equipped with telescopic rod, and the upper end of four telescopic rods is connected with restocking.

4. a kind of concrete quality measurement device according to claim 1, which is characterized in that the motor of the drill bit and control System switch electrical connection.

5. a kind of concrete quality measurement device according to claim 4, which is characterized in that the control switch includes control Device, timer and switch relay processed, the timer and switch relay are electrically connected with controller respectively, the switch relay Device is for controlling motor power on/off.

6. a kind of concrete quality measurement device according to claim 3, which is characterized in that the telescopic rod includes first Casing and the second casing, second casing are slidably connected in the first sleeve, and second casing is equipped with scale.