阅读说明：本技术 用于长条混凝土地面自动刮平装置及其平整度控制方法 (Automatic leveling device for long-strip concrete floor and flatness control method thereof ) 是由 杨俊� 刘星 王晓旻 高腾 张健 邹金标 于 2019-08-27 设计创作，主要内容包括：本发明用于长条混凝土地面自动刮平装置及其平整度控制方法,包括分别位于混凝土垫层的上表面两侧的等高的刮平轨道和控制中心,每一刮平轨道上设置有行走装置,两个行走装置之间固定有犁式刮板,犁式刮板的两端与行走装置的连接处均贴设有应力片,其中一个行走装置上设置有摄像头；控制中心控制行走装置沿着对应的刮平轨道行进以带动犁式刮板抹平混凝土地面；两个应力片用于检测犁式刮板两侧的应力值并传输至控制中心,控制中心根据应力值调节两个行走装置的行进速度,以使得两个行走装置同步行进；摄像头实时拍摄现浇混凝土刮平效果并将拍摄图像传输至控制中心。本发明提高了现场施工效率和精度,有效控制地面平整度。(The invention relates to an automatic strickling device for a long concrete floor and a flatness control method thereof, wherein the automatic strickling device comprises strickling tracks with equal height and a control center which are respectively positioned at two sides of the upper surface of a concrete cushion layer, each strickling track is provided with a walking device, a plow-type scraper is fixed between the two walking devices, stress sheets are respectively attached to the joints of two ends of the plow-type scraper and the walking devices, and one walking device is provided with a camera; the control center controls the traveling device to travel along the corresponding scraping track to drive the plow type scraper to trowel the concrete ground; the two stress sheets are used for detecting stress values on two sides of the plough type scraper and transmitting the stress values to the control center, and the control center adjusts the travelling speeds of the two travelling devices according to the stress values so that the two travelling devices can synchronously travel; the camera shoots the cast-in-place concrete strickle effect in real time and transmits the shot image to the control center. The invention improves the efficiency and precision of site construction and effectively controls the ground flatness.)

1. the automatic strickling device for the long concrete floor is characterized by comprising strickling tracks and a control center which are respectively positioned at the two sides of the upper surface of a concrete cushion layer and have the same height, wherein each strickling track is provided with a walking device, a plow-type scraper blade is fixed between the two walking devices, and stress sheets are respectively adhered to the joints of the two ends of the plow-type scraper blade and the walking devices;

The control center is used for controlling the traveling device to travel along the corresponding scraping track so as to drive the plow type scraper to trowel the concrete ground;

the two stress sheets are used for detecting stress values on two sides of the plough type scraper and transmitting the stress values to the control center, and the control center is used for adjusting the travelling speeds of the two travelling devices according to the stress values so that the two travelling devices can synchronously travel.

2. The automatic screeding device for the long concrete floor according to claim 1, wherein a camera is arranged on one of the traveling devices, and the camera is used for shooting the screeding effect of the cast-in-place concrete in real time and transmitting the shot image to the control center.

3. The automatic leveling device for the elongated concrete floor according to claim 1, wherein the leveling track comprises a trapezoid-shaped pipe track, an elevation pallet and a countersunk screw, the cross section of the trapezoid-shaped pipe track is trapezoidal, the trapezoidal upper bottom of the trapezoid-shaped pipe track is positioned at the bottom and the trapezoidal lower bottom of the trapezoid-shaped pipe track is positioned at the top, the countersunk screw hole is formed in the trapezoid-shaped pipe track from top to bottom, the elevation pallet comprises a screw rod and a square platform fixed on the screw rod, an internal thread hole is formed in the top of the square platform, the screw rod is fixed in the concrete cushion, and the countersunk screw fixes the trapezoid-shaped pipe track and the elevation pallet through the countersunk screw hole and the internal thread hole.

4. the automatic leveling device for the long concrete floor according to claim 3, wherein each walking device comprises an h-shaped bracket, a motor is fixed at the top end of the h-shaped bracket, a driving roller and a driven roller are respectively fixed on the h-shaped bracket in the front and back direction of the ladder-shaped pipe rail, the motor is connected with the driving roller through a gearbox, a side roller is fixed at the bottom of the side surface of the h-shaped bracket, the side roller is arranged on the outer side of the corresponding ladder-shaped pipe rail, and the h-shaped bracket is arranged at the top of the corresponding ladder-shaped pipe rail;

The control center is used for controlling the motor to drive the driving roller so that the driving roller and the driven roller move along the corresponding scraping tracks to drive the plow type scraper to screeding the concrete ground;

The two stress sheets are used for detecting stress values on two sides of the plough type scraper and transmitting the stress values to the control center, and the control center is used for adjusting the travelling speeds of the two travelling devices according to the stress values and increasing the travelling speed of the travelling device corresponding to the stress value with a large value when the difference value of the two stress values is larger than a set value so that the two travelling devices can synchronously travel.

5. the automatic strickling device for long concrete floors as claimed in claim 3, wherein the cross section of the trapezoidal pipe track is in the shape of an equilateral trapezoid, and the square platform is in the shape of a T.

6. A screed rail set for elongate concrete floors as claimed in claim 3 wherein a mesh of reinforcing steel with brackets is secured between the screed rails on both sides.

7. The device as claimed in claim 3, wherein the upper inner side of the screw is fixed with a side die by a snap.

8. The device as claimed in claim 1, wherein the plow blade projects from the middle of the front end thereof and tapers from the front edge to the middle.

9. a flatness control method for an automatic strickling device for a long concrete floor is characterized by comprising the following steps:

Pouring a concrete cushion, paying off along the edge of the ground surface after hardening, drawing two parallel positioning lines on the concrete cushion, installing an elevation saddle along the positioning lines, fixing the elevation saddle on the concrete cushion, ensuring the designated elevation, fixing by using a check bolt, fastening and connecting the trapezoidal pipe track with the elevation saddle through a countersunk screw, finishing the installation of the two side leveling tracks, and placing a reinforcing mesh with a bracket between the two side leveling tracks;

After the traveling devices are assembled, fixedly connecting the plow type scraper with h-shaped supports of the two traveling devices, attaching stress sheets to connecting parts, installing a camera on one h-shaped support of the traveling device, integrally hoisting the plow type scraper and the traveling devices with the cameras onto two leveling tracks together, and enabling driving rollers, driven rollers and side rollers of the traveling devices to be in contact with the trapezoidal pipe track surface;

when the concrete screeding device works, the control center controls the two traveling devices to advance along the two equal-height trapezoid pipe tracks to drive the plow-type scraper to screeding the concrete ground, the self weight of the traveling devices is ensured to be in close contact with the screeding tracks, the stress change is detected through the stress sheets at the two ends of the plow-type scraper to serve as control signals for adjusting the rotating speeds of the motors of the two traveling devices, after the difference value between the two stress values exceeds a set value, the advancing speed of the traveling device corresponding to the stress value with a large value is increased, the two traveling devices synchronously advance, in addition, the camera is installed on the traveling devices, and the concrete ground screeding effect is remotely monitored in real time.

Technical Field

The invention relates to the technical field of building construction, in particular to an automatic leveling device for a long concrete floor and a flatness control method thereof.

background

currently, flatness control is one of the key quality parameters of concrete floors. The strickling of cast-in-place concrete is a key construction step for controlling flatness, and the current common method comprises the following steps: the manual work utilizes wooden scraper blade or aluminum alloy chi to strickle off, and the control measure is comparatively extensive. The main structure of a certain project is a semi-buried water pool with the length of 400 meters, the width of 18 meters and the depth of 10.3 meters, concrete on the bottom plate of the deep water towing water pool is divided into 9 blocks and poured in stages according to expansion joints, and the concrete volume of the maximum block bottom plate is about 1392m³。

If the traditional method is adopted, after the concrete is slightly watered after about 2 hours after the concrete is tamped (before the concrete is initially set), the iron roller is used for compacting two sides longitudinally and transversely and repeatedly, the long scraping ruler is used for scraping again, then the artificial wooden crab is used for leveling, the field workload is large, the labor intensity of workers is high, the efficiency is low, the flatness of the bottom of the pool is difficult to control, and in addition, the reinforcing steel bar grids laid on the cushion layer are embedded during pouring, which also brings inconvenience to the workers.

disclosure of Invention

Aiming at the problems and the defects in the prior art, the invention provides a large-area concrete ground surface strickling scheme with high construction efficiency, and the accuracy of concrete flatness control is effectively improved.

The invention solves the technical problems through the following technical scheme:

The invention provides an automatic strickling device for a long concrete floor, which is characterized by comprising strickling tracks and a control center, wherein the strickling tracks are respectively positioned at the two sides of the upper surface of a concrete cushion layer and have the same height;

The control center is used for controlling the traveling device to travel along the corresponding scraping track so as to drive the plow type scraper to trowel the concrete ground;

The two stress sheets are used for detecting stress values on two sides of the plough type scraper and transmitting the stress values to the control center, and the control center is used for adjusting the travelling speeds of the two travelling devices according to the stress values so that the two travelling devices can synchronously travel.

Preferably, a camera is arranged on one of the traveling devices and used for shooting the cast-in-place concrete leveling effect in real time and transmitting the shot image to the control center.

Preferably, it includes trapezoidal pipe track, elevation saddle and countersunk head screw to strike off the track, the orbital cross-section of trapezoidal pipe is trapezoidally, the orbital trapezoidal upper base of trapezoidal pipe is located bottom, trapezoidal lower base and is located the top, the countersunk head screw hole has been seted up to trapezoidal pipe track from top to bottom direction, the elevation saddle includes the screw rod and fixes the square platform on the screw rod, the internal thread hole has been seted up at the top of square platform, the screw rod is fixed in the concrete cushion, countersunk head screw passes through countersunk head screw hole and the fixed trapezoidal pipe track of internal thread hole and elevation saddle.

Preferably, each traveling device comprises an h-shaped support, a motor is fixed at the top end of the h-shaped support, a driving roller and a driven roller are respectively fixed on the h-shaped support along the traveling direction of the trapezoid pipe rail in the front-back direction, the motor is connected with the driving roller through a gearbox, a side roller is fixed at the bottom of the side of the h-shaped support, the side roller is arranged on the outer side of the corresponding trapezoid pipe rail, and the h-shaped support is arranged at the top of the corresponding trapezoid pipe rail;

The control center is used for controlling the motor to drive the driving roller so that the driving roller and the driven roller move along the corresponding scraping tracks to drive the plow type scraper to screeding the concrete ground;

The two stress sheets are used for detecting stress values on two sides of the plough type scraper and transmitting the stress values to the control center, and the control center is used for adjusting the travelling speeds of the two travelling devices according to the stress values and increasing the travelling speed of the travelling device corresponding to the stress value with a large value when the difference value of the two stress values is larger than a set value so that the two travelling devices can synchronously travel.

Preferably, the cross section of the trapezoid pipe track is in an equilateral trapezoid shape, and the square table is in a T shape.

Preferably, a steel mesh with a bracket is fixed between the scraping rails on the two sides.

preferably, a side die is fixed on the inner side of the upper part of the screw rod through a buckle.

Preferably, the plow blade projects at a middle position of the front end thereof and tapers from the front edge to the middle position.

The invention also provides a flatness control method for the automatic strickling device for the long-strip concrete floor, which is characterized by comprising the following steps of:

pouring a concrete cushion, paying off along the edge of the ground surface after hardening, drawing two parallel positioning lines on the concrete cushion, installing an elevation saddle along the positioning lines, fixing the elevation saddle on the concrete cushion, ensuring the designated elevation, fixing by using a check bolt, fastening and connecting the trapezoidal pipe track with the elevation saddle through a countersunk screw, finishing the installation of the two side leveling tracks, and placing a reinforcing mesh with a bracket between the two side leveling tracks;

After the traveling devices are assembled, fixedly connecting the plow type scraper with h-shaped supports of the two traveling devices, attaching stress sheets to connecting parts, installing a camera on one h-shaped support of the traveling device, integrally hoisting the plow type scraper and the traveling devices with the cameras onto two leveling tracks together, and enabling driving rollers, driven rollers and side rollers of the traveling devices to be in contact with the trapezoidal pipe track surface;

When the concrete screeding device works, the control center controls the two traveling devices to advance along the two equal-height trapezoid pipe tracks to drive the plow-type scraper to screeding the concrete ground, the self weight of the traveling devices is ensured to be in close contact with the screeding tracks, the stress change is detected through the stress sheets at the two ends of the plow-type scraper to serve as control signals for adjusting the rotating speeds of the motors of the two traveling devices, after the difference value between the two stress values exceeds a set value, the advancing speed of the traveling device corresponding to the stress value with a large value is increased, the two traveling devices synchronously advance, in addition, the camera is installed on the traveling devices, and the concrete ground screeding effect is remotely monitored in real time.

on the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

1. the invention has high automation degree of equipment, high on-site construction efficiency and reduced labor intensity.

2. The invention can realize unattended operation, real-time visual remote monitoring of the scraping effect of the concrete floor, and prevention of hollowing and the like.

3. the automatic leveling device of the invention advances synchronously, thus reducing scratches and improving the ground flatness.

4. The invention has high levelness control precision, accurately controls the mounting height of the trapezoidal pipe track and provides powerful guarantee for improving flatness control.

5. The invention is green and environment-friendly, and the equipment has good reusability.

Drawings

Fig. 1 is a perspective view of an automatic screeding device for a long concrete floor according to a preferred embodiment of the present invention.

Fig. 2 is a sectional view of an automatic screeding device for an elongated concrete floor according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of an automatic strickle device for a long concrete floor according to a preferred embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a strike-off rail according to a preferred embodiment of the invention.

Fig. 5 is a perspective view of the walking device in accordance with the preferred embodiment of the present invention.

fig. 6 is an exploded view of the walking device in accordance with the preferred embodiment of the present invention.

FIG. 7 is a schematic view of the plow blade of the preferred embodiment of the invention.

Fig. 8 is a schematic structural view of an automatic strickle device according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 and 2, the embodiment provides an automatic strickling device for a long concrete floor, which includes strickling tracks 2 and a control center, the strickling tracks 2 are located at two sides of the upper surface of a concrete cushion 1, the strickling tracks 2 are respectively of equal height, a traveling device 3 is arranged on each strickling track 2, a plow-type scraper 4 is fixed between the two traveling devices 3, stress pieces 5 are respectively attached to the joints between the two ends of the plow-type scraper 4 and the traveling devices 3, one of the traveling devices is provided with a camera 6, and a steel mesh 7 with a bracket is fixed between the strickling tracks 2 at two sides.

Wherein, as shown in fig. 3 and fig. 4, strickle track 2 and include trapezoidal pipe track 21, elevation saddle 22 and countersunk screw 23, trapezoidal pipe track 21's cross-section is equilateral trapezoid, trapezoidal upper base that is located bottom, trapezoidal lower base and is located the top, trapezoidal pipe track 21 has seted up the countersunk screw hole from top to bottom direction, elevation saddle 22 includes screw rod 221 and the square platform 222 of the T font of fixing on screw rod 221, the internal thread hole has been seted up at the top of square platform 222, screw rod 221 is fixed in concrete cushion 1, countersunk screw 23 passes through the fixed trapezoidal pipe track 21 of countersunk screw hole and internal thread hole and elevation saddle 22, the upper portion inboard of screw rod 221 is fixed with side form 8 through the buckle.

As shown in fig. 2, 5 and 6, each traveling device 3 includes an h-shaped bracket 31, a motor 32 is fixed to the top end of the h-shaped bracket 31, a driving roller 33 and a driven roller 34 are respectively fixed to the h-shaped bracket 31 in the front and back direction along the traveling direction of the trapezoidal pipe rail 21, the motor 32 is connected to the driving roller 33 through a gearbox 35, a side roller 36 is fixed to the bottom of the side of the h-shaped bracket 31, the side roller 36 is disposed on the outer side of the corresponding trapezoidal pipe rail 21, and the h-shaped bracket 31 is disposed on the top of the corresponding trapezoidal pipe rail 21.

As shown in fig. 7, the plow 4 projects at a middle position of the front end thereof and tapers from the front edge to the middle position.

the control center is used for controlling the motor 32 to drive the driving roller 33, so that the driving roller 33 and the driven roller 34 travel along the corresponding leveling track 2 to drive the plough scraper 4 to level the concrete floor 10.

The two stress sheets 5 are used for detecting stress values at two sides of the plough type scraper 4 and transmitting the stress values to the control center, and the control center is used for adjusting the travelling speeds of the two travelling devices 3 according to the stress values and increasing the travelling speed of the travelling device 3 corresponding to the stress value with a large value when the difference value of the two stress values is larger than a set value so as to enable the two travelling devices 3 to synchronously travel;

The camera 6 is used for shooting the cast-in-place concrete leveling effect in real time and transmitting the shot image to the control center.

As shown in fig. 8, the present embodiment further provides a flatness control method for an automatic leveling device for a long concrete floor, which includes the following steps:

Firstly, pouring a concrete cushion layer 1, after the concrete cushion layer is hardened, then, paying off along the edge of the ground surface, and drawing two parallel positioning lines on the concrete cushion layer 1. Mounting the scraping rail 2 on one side, mounting the elevation saddle 22 along a positioning line, fixing the elevation saddle 22 on the concrete cushion 1 through the external thread of the screw 221, ensuring the designated elevation, and fixing the elevation saddle by using a check bolt; the side die 8 is clamped and fixed on the upper part of the screw rod 221 through a buckle; the trapezoid pipe track 21 is tightly connected with the elevation saddle 22 through a sunk screw 23 until the installation of the strickle track 2 on one side is finished. Then, the mesh 7 with the bracket is placed. The other side of the scraping rail is installed in the same way.

After the traveling devices 3 are assembled, the plow type scraper 4 is fixedly connected with the h-shaped supports 31 of the two traveling devices, stress sheets 5 are attached to the connecting parts, the camera 6 is installed on one h-shaped support of the traveling device, the plow type scraper 4 and the traveling devices 3 with the cameras are integrally hoisted to the two leveling tracks 2, and the driving roller 33, the driven roller 34 and the side rollers 36 of the traveling devices 3 are in contact with the track surface of the trapezoid pipe.

During operation, two running gear 3 of control center control are advanced along two equal elevation ladder-shaped pipe tracks 21, drive plough scraper blade 4 and trowel concrete ground 10, guarantee through running gear 3 self weight and strickle track in close contact with, with plough scraper blade 4, side form 8, concrete cushion 1 has formed an enclosure space together, special appearance through plough scraper blade 4, preceding centre is outstanding promptly, form certain tapering from the bottom surface to the top surface, make cast in situ concrete middle to both sides distribute more evenly, guarantee that concrete ground 10 strickles the in-process further closely. The automatic strickle device in large tracts of land concrete ground detects the stress change through the stress piece 5 at plough scraper blade 4 both ends and is regarded as the control signal of the motor 32 rotational speed of adjusting two running gear, and after the difference between two stress value exceeded the setting value, increaseed the marching speed of the running gear 3 that the stress value that the numerical value is big corresponds for two running gear 3 advance in step, effectively less automatic strickle device march in-process, improve the roughness on concrete ground. In addition, the camera 6 installed on the walking device can remotely monitor the scraping effect of the concrete floor in real time, and hollow-out and the like in the scraping process are prevented.

while specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.