阅读说明：本技术 土木工程实验用定量取样装置及其使用方法 (Quantitative sampling device for civil engineering experiments and application method thereof ) 是由 杨鼎宜 李想 赵学涛 刘淼 杨俊� 许晴莹 王彤章 于 2020-05-09 设计创作，主要内容包括：本发明公开了土木工程实验用定量取样装置及其使用方法,包括用于定量取样的称量取样机构、移动机构、控制器,称量取样机构设置在移动机构顶部,控制器设置在称量取样机构下端且位于移动机构顶部中间位置,还包括用于取样装置支撑的支撑机构和翻转机构。本发明利用水平传感器来检测整个移动座是否处于水平位置,同时通过控制器来控制电动推杆来调整移动座处于水平位置,从而保证整个实验中定量取样的准确度,利用翻转电机转动部通过链轮和链条来带动曲轴进行转动,通过曲轴的转动来带动拉杆将称量取样桶内的样品倒出。(The invention discloses a quantitative sampling device for civil engineering experiments and a using method thereof. The invention utilizes the horizontal sensor to detect whether the whole movable seat is in a horizontal position, and simultaneously controls the electric push rod to adjust the movable seat to be in the horizontal position through the controller, thereby ensuring the accuracy of quantitative sampling in the whole experiment.)

1. Civil engineering is ration sampling device for experiments, its characterized in that:

the device comprises a weighing and sampling mechanism (1) for quantitative sampling;

the top of the moving mechanism (2) is provided with a sampling mechanism (1), and the controller (5) is arranged at the lower end of the weighing and sampling mechanism (1) and is positioned in the middle of the top of the moving mechanism (2);

the automatic sampling device is characterized by further comprising a supporting mechanism (3) and a turnover mechanism (4), wherein the supporting mechanism (3) is used for supporting the sampling device, the supporting mechanism (3) is arranged on the moving mechanism (2) and located on the lower portion of the weighing sampling mechanism (1) and on the front side and the rear side of the controller (5), and the turnover mechanism (4) is arranged on the other side of the top of the moving mechanism (2).

2. The quantitative sampling device for civil engineering experiments, as set forth in claim 1, wherein: the turnover mechanism (4) comprises a chain wheel (41), a chain (42), a turnover motor (43) and a fixing frame (44), the lower end of the fixing frame (44) is connected with the moving mechanism (2), the turnover motor (43) is connected to the rear side of the fixing frame (44) through a bolt and is close to the moving mechanism (2), the chain wheel (41) is connected with a weighing sampling mechanism (1) and a rotation part of the turnover motor (43), the chain (42) is arranged on the outer side of the chain wheel (41), and the turnover motor (43) is electrically connected with the controller (5).

3. The quantitative sampling device for civil engineering experiments, as set forth in claim 1, wherein: the turnover mechanism (4) comprises a belt wheel (411), a belt (412), a turnover motor (43) and a fixing frame (44), the lower end of the fixing frame (44) is connected with the moving mechanism (2), the turnover motor (43) is connected to the rear side of the fixing frame (44) through a bolt and is close to the moving mechanism (2), the belt wheel (411) is connected with a weighing sampling mechanism (1) and a rotation part of the turnover motor (43), the belt (412) is arranged on the outer side of the belt wheel (411), and the turnover motor (43) is electrically connected with the controller (5).

4. The quantitative sampling device for civil engineering experiments according to claim 2 or 3, characterized in that: weighing sampling mechanism (1) including weighing sampling bucket (11), bent axle (12), pull rod (13), weigh frame (14), pressure sensor (15), weigh on frame (14) lower extreme connection moving mechanism (2), pressure sensor (15) are installed and are being weighed frame (14) bottom and be located moving mechanism (2), weigh sampling bucket (11) and install and weigh frame (14) upper end, bent axle (12) are connected on mount (44) through the bearing, pull rod (13) one end is passed through the bearing and is connected at weighing sampling bucket (11) opposite side lower extreme, pull rod (13) other end passes through the bearing and connects on bent axle (12), pressure sensor (15) are connected with controller (5) electricity.

5. The quantitative sampling device for civil engineering experiments, as set forth in claim 4, wherein: the moving mechanism (2) comprises a moving seat (21), a moving wheel (22) and a moving motor (23), the moving motor (23) is connected to the bottom of the moving seat (21) through a bolt, the moving wheel (22) is connected to a rotating part of the moving motor (23) through a key, and the moving motor (23) is electrically connected with the controller (5).

6. The quantitative sampling device for civil engineering experiments, according to claim 5, wherein: supporting mechanism (3) include electric putter (31), supporting seat (32), level sensor (33), bolted connection is passed through on the removal seat (21) for electric putter (31) fixed part, supporting seat (32) are through threaded connection in electric putter (31) pars contractilis, level sensor (33) are through the position of screw connection at four angles in removal seat (21) bottom, level sensor (33) are connected with controller (5) electricity, electric putter (31) are connected with controller (5) electricity.

7. The quantitative sampling device for civil engineering experiments, according to claim 5, wherein: the controller (5) is connected to the top of the movable seat (21) through a screw and is positioned between the lower part of the weighing and sampling mechanism (1) and the supporting mechanism (3).

8. The quantitative sampling device for civil engineering experiments, according to claim 5, wherein: two grooves are formed in the middle of the top of the movable seat (21), the supporting mechanism (3) is installed at the position, the upper end of the weighing frame (14) is provided with a U-shaped notch, and the lower end of the weighing frame is inserted into the notch of the movable seat (21).

9. The quantitative sampling device for civil engineering experiments, according to claim 5, wherein: the crankshaft (12) is positioned in the middle of the fixed frame (44).

10. The application method of the quantitative sampling device for the civil engineering experiment is characterized in that: the method comprises the following steps:

pouring a sample to be measured into the weighing and sampling barrel (11), wherein the weight of the weighing and sampling barrel (11) is increased, meanwhile, the pressure is transmitted to the pressure sensor (15) through the weighing frame (14), and the weight of the sample added into the sampling barrel (11) is symmetrically measured through the controller (5) and the pressure sensor (15) for detection;

meanwhile, when detection is carried out, whether the moving seat (21) is horizontal or not is detected through the controller (5) through the horizontal sensor (33), meanwhile, the supporting seat (32) is pushed to move downwards through the telescopic part of the electric push rod (31), the whole device is jacked up and kept at the horizontal position, and errors in quantitative measurement of samples are reduced;

after the sample sampling, shorten through electric putter (31 flexible portion, make and remove wheel (22) contact ground, it rotates to drive through removal motor (23 rotation portion and remove wheel (22), the rotation through removing wheel (22) drives whole removal seat (21) and removes, thereby remove whole device to the assigned position, then utilize tilting mechanism (4) to drive bent axle (12) and rotate, utilize pull rod (13) will drive when bent axle (12) rotate and weigh the opposite side position of sampling bucket (11) lower extreme, upwards rotate when taking the U type opening of weighing frame (14) upper end as the center, pour out its inside ration sample to suitable position.

Technical Field

The invention relates to the field of civil engineering experiments, in particular to a quantitative sampling device for civil engineering experiments and a using method thereof.

Background

The civil engineering refers to engineering entities for carrying out various technical works such as investigation, planning, design, construction, installation and maintenance and the like for newly building, reconstructing or expanding buildings, structures, related supporting facilities and the like of various projects except house buildings and the like, and finishing the technical works; in the process of experiments of civil engineering, experimenters are required to build corresponding building models in proper places, and then the models are subjected to detection of compression resistance, weighing and the like, so that the construction projects are further known, and therefore when the building models are built, the using amount of each building material needs to be quantitatively measured, and the building operation of the building models is carried out; however, in the process of quantitatively sampling the building materials, the samples are generally heavier and may be used in a larger amount, so that the samples are manually transported to the position where the model is built after being quantitatively taken out, thereby increasing the labor intensity of the workers.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a quantitative sampling device for civil engineering experiments and a method of using the same.

The invention realizes the purpose through the following technical scheme:

quantitative sampling device for civil engineering experiments, including weighing the sampling mechanism that is used for quantitative sampling, moving mechanism, a controller, weigh the setting of sampling mechanism at the moving mechanism top, the controller setting is weighing the sampling mechanism lower extreme and is located moving mechanism top intermediate position, still including supporting mechanism and the tilting mechanism that is used for sampling device to support, supporting mechanism sets up on moving mechanism, and be located and weigh both sides around sampling mechanism below and the controller, tilting mechanism sets up in moving mechanism top opposite side position.

Preferably: tilting mechanism includes sprocket, chain, upset motor, mount, and moving mechanism is connected to the mount lower extreme, and the upset motor passes through bolted connection and is close to moving mechanism's position in the mount rear side, and the sprocket is connected and is weighed sampling mechanism and upset motor rotation portion, and the sprocket outside is provided with the chain, and the upset motor is connected with the controller electricity.

So set up, can drive through the transmission of upset motor rotation portion through sprocket and chain and weigh the sampling mechanism and rotate to will weigh the inside sample of sampling mechanism and pour out.

Preferably: tilting mechanism includes band pulley, belt, upset motor, mount, and moving mechanism is connected to the mount lower extreme, and the upset motor passes through bolted connection and is close to moving mechanism's position in the mount rear side, and the band pulley is connected and is weighed sampling mechanism and upset motor rotation portion, and the band pulley outside is provided with the belt, and the upset motor is connected with the controller electricity.

So set up, can drive through the transmission of band pulley and belt through upset motor rotation portion and weigh sampling mechanism and rotate to the sample that will weigh the inside of sampling mechanism is poured.

Preferably: weigh sampling mechanism including weighing the sampling bucket, the bent axle, the pull rod, weigh the frame, pressure sensor, weigh on putting up the lower extreme and connect moving mechanism, pressure sensor installs and weighs the frame bottom and be located moving mechanism, pressure sensor's model is FK-LCL, weigh the sampling bucket and install and weigh a frame upper end, the bent axle passes through the bearing and connects on the mount, pull rod one end is passed through the bearing and is connected at weighing sampling bucket opposite side lower extreme, the pull rod other end passes through the bearing and connects on the bent axle, pressure sensor is connected with the controller electricity.

So set up, come to carry out quantitative volume to the raw materials through weighing sampling bucket and pressure sensor and get, will weigh the sample article in the sampling bucket through bent axle and pull rod simultaneously and pour out.

Preferably: the moving mechanism comprises a moving seat, a moving wheel and a moving motor, the moving motor is connected to the bottom of the moving seat through a bolt, the moving wheel is connected to a rotating part of the moving motor through a key, and the moving motor is electrically connected with the controller.

So set up, rotate the portion through the removal motor and drive and remove the wheel and rotate, utilize the rotation that removes the wheel to drive and remove the seat and remove to drive whole device and remove.

Preferably: the supporting mechanism comprises an electric push rod, a supporting seat and a horizontal sensor, the electric push rod is fixed on the moving seat through a bolt, the supporting seat is connected with the telescopic portion of the electric push rod through threads, the horizontal sensor is connected with the four corners of the bottom of the moving seat through screws, the model of the horizontal sensor is SST400, the horizontal sensor is electrically connected with the controller, and the electric push rod is electrically connected with the controller.

So set up, promote the supporting seat through electric putter pars contractilis and prop up whole device, detect whether whole device is in the level and adjust through the controller through level sensor simultaneously.

Preferably: the controller passes through the screwed connection and moves the seat top and be located weigh the position between sampling mechanism below and the supporting mechanism, the model of controller is STC89C52 singlechip.

So set up, utilize the controller to control whole device and remove, weigh and support.

Preferably: two grooves are formed in the middle of the top of the movable seat, and the supporting mechanism is installed at the position.

So set up, can reduce the height of whole device through the recess that removes the seat and set up to guarantee the stability of whole device at the removal in-process.

Preferably: the upper end of the weighing frame is provided with a U-shaped notch, and the lower end of the weighing frame is inserted into the notch of the movable seat.

So set up, can conveniently take off the clearance in weighing the sampling bucket from its upper end through weighing the U type notch on the frame.

Preferably: the crankshaft is positioned in the middle of the fixing frame.

So set up, utilize the rotation of bent axle to come to pour out the sample in the sample bucket of will weighing through the pull rod.

The invention also provides a using method of the quantitative sampling device for civil engineering experiments, which comprises the following steps: during civil engineering experiments, an experimenter pours samples to be measured into the weighing and sampling barrel, the weight of the weighing and sampling barrel is increased, meanwhile, pressure is transmitted to the pressure sensor through the weighing frame, and the weight of the samples added into the sampling barrel is symmetrically measured through the controller and the pressure sensor for detection; meanwhile, when detection is carried out, whether the movable seat is horizontal or not is detected through the controller through the horizontal sensor, and meanwhile, the supporting seat is pushed to move downwards through the electric push rod telescopic part, so that the whole device is jacked up and kept at the horizontal position, and errors in quantitative measurement of samples are reduced; after the sample sampling, shorten through electric putter pars contractilis, make and remove wheel contact ground, it rotates to rotate the wheel to drive through removal motor rotation portion, the rotation through removing the wheel drives whole removal seat and removes, thereby remove the assigned position with whole device, then utilize tilting mechanism to drive the bent axle and rotate, utilize the pull rod to drive the opposite side position of weighing the sampling bucket lower extreme when the bent axle rotates, use the U type opening of weighing frame upper end to upwards rotate for the time reversal of center, pour out its inside quantitative sample to suitable position.

Compared with the prior art, the invention has the following beneficial effects:

1. whether the whole moving seat is in a horizontal position or not is detected by using a horizontal sensor, and meanwhile, the electric push rod is controlled by a controller to adjust the moving seat to be in the horizontal position, so that the accuracy of quantitative sampling in the whole experiment is ensured;

2. utilize upset motor rotation portion to drive the bent axle through sprocket and chain and rotate, drive the pull rod through the rotation of bent axle and pour out the sample in weighing the sampling bucket.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a quantitative sampling apparatus for civil engineering experiments in accordance with example 1 of the present invention.

FIG. 2 is a schematic structural view of a quantitative sampling apparatus for civil engineering experiments in accordance with example 2 of the present invention.

FIG. 3 is a partial part view of embodiment 1 of the turnover mechanism of the quantitative sampling device for civil engineering experiments of the present invention.

FIG. 4 is a partial part view of embodiment 2 of the turnover mechanism of the quantitative sampling device for civil engineering experiments of the present invention.

FIG. 5 is a partial view showing the parts of embodiment 1 of the chain of the quantitative sampling device for civil engineering experiments.

FIG. 6 is a partial view of the parts of the belt of embodiment 2 of the quantitative sampling device for civil engineering experiments.

FIG. 7 is a partial view of the moving motor of the quantitative sampling device for civil engineering experiments according to the present invention.

FIG. 8 is a partial part view of a weighing scale of the quantitative sampling device for civil engineering experiments according to the present invention.

FIG. 9 is a partial view of a controller of the quantitative sampling device for civil engineering experiments according to the present invention.

FIG. 10 is a block diagram showing a circuit flow of the quantitative sampling device for civil engineering experiments according to the present invention.

The reference numerals are explained below:

1. a weighing and sampling mechanism; 2. a moving mechanism; 3. a support mechanism; 4. a turnover mechanism; 5. a controller; 11. weighing a sampling bucket; 12. a crankshaft; 13. a pull rod; 14. a weighing frame; 15. a pressure sensor; 21. a movable seat; 22. a moving wheel; 23. a moving motor; 31. an electric push rod; 32. a supporting seat; 33. a level sensor; 41. a sprocket; 42. a chain; 43. turning over a motor; 44. a fixed mount; 411. a pulley; 412. a belt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be further described with reference to the accompanying drawings in which:

quantitative sampling device for civil engineering experiments, including weighing sampling mechanism 1 that is used for the ration sample, moving mechanism 2, controller 5, weigh sampling mechanism 1 and set up at moving mechanism 2 tops, controller 5 sets up and is weighing 1 lower extreme of sampling mechanism and being located 2 top intermediate positions of moving mechanism, still including supporting mechanism 3 and tilting mechanism 4 that are used for sampling device to support, supporting mechanism 3 sets up on moving mechanism 2, and be located and weigh 1 below of sampling mechanism and both sides around controller 5, tilting mechanism 4 sets up in 2 top opposite side positions of moving mechanism.