Soil measuring and punching device and nitrogen measuring equipment thereof

Abstract

The utility model discloses a soil measurement punching device and nitrogen measurement equipment thereof, and belongs to the technical field of soil measurement. The soil punching device comprises a punching assembly and a driving assembly, the driving assembly is installed on the trolley, and the driving assembly drives the punching assembly to vertically move; the nitrogen measuring equipment comprises a detection box, a nitrogen measuring assembly and a material guiding assembly, and the detection box is arranged on the trolley. Soil is obtained through the punching assembly, when the soil is conveyed in the material guide pipe, gas stored in the material guide pipe and mixed with the soil during soil sampling is exhausted through the gas outlet pipe, then the gas enters the box body to be detected, the whole process flow is short, the manual operation amount of an operator is small, soil sampling and detection can be completed at a time, and the detection efficiency is improved. And the possibility of pollution in the process from soil sampling to detection completion is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil measurement technical field, concretely is a soil measurement punch device and nitrogen gas measuring equipment thereof. BACKGROUND

[0002] When soil measurement sampling, solid-liquid-gas three-phase ratio is often detected to obtain dry soil weight, moisture and gas data, wherein the gas in the soil is mostly oxygen, carbon dioxide and nitrogen, and the nitrogen content percentage can reflect the fertility of the soil sample to a certain extent.

[0003] In the prior art, a punch is usually used to take soil, and then the obtained sample soil is quickly transferred to a sample bag for sealing and preservation, and then is put into some detection equipment to volatilize the liquid phase and the gas phase in the soil in the form of gas by using a drying method, and some equipment in the prior art, such as a gas chromatograph and a nitrogen gas sensor, is used to measure nitrogen content data, and when the soil is obtained, different depths of soil are usually obtained after reaching the specified position, and are measured respectively.

[0004] The above prior art has the following problems: the whole process from obtaining the soil to loading the sample bag and then putting into the detection equipment is highly dependent on manual operation, the process is relatively complicated, and there are multiple links in the whole process that are easy to contaminate the soil, affecting the detection effect.

[0005] Therefore, the soil measurement punch device and the nitrogen gas measuring equipment are proposed to solve the problems in the prior art.

[0006] The above information disclosed in the background is only used to increase the understanding of the background of the present application, and therefore, it can include prior art known by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a soil measurement punch device and a nitrogen gas measuring equipment to solve the problems in the prior art.

[0008] To achieve the above purpose, the utility model provides a soil measurement punch device and a nitrogen gas measuring equipment, which comprises a cart.

[0009] The soil punch device comprises a punch assembly and a driving assembly, the driving assembly is installed on the cart, and the driving assembly drives the punch assembly to move vertically.

[0010] The nitrogen gas measuring equipment comprises a detection box, a nitrogen gas measuring assembly and a material guiding assembly, the detection box is arranged on the cart.

[0011] A display panel is arranged on the detection box.

[0012] The perforating assembly and the detection box are communicated through a material guiding pipe, the material guiding assembly is arranged at the joint of the material guiding pipe in the detection box, and the opening and closing of the material guiding pipe are controlled;

[0013] The nitrogen measuring assembly is arranged in the detection box and below the port of the material guiding assembly;

[0014] The material guiding pipe is further provided with an air outlet pipe.

[0015] Preferably, the perforating assembly comprises an outer cylinder, a second gear is rotatably connected to the inner wall of the outer cylinder, and the second gear is a hollow structure;

[0016] A first motor is fixedly installed on the outer wall of the outer cylinder, and a first gear is fixed to the output shaft of the first motor;

[0017] The outer cylinder is provided with an opening at the position of the second gear, and the first gear and the second gear are meshed with each other at the opening;

[0018] The second gear is fixedly installed with a spiral soil cutter in the inner cavity of the outer cylinder;

[0019] The material guiding pipe is communicated with the outer cylinder and located above the second gear.

[0020] Preferably, the detection box comprises a box body, a box door and a push handle are arranged on the side surface of the box body;

[0021] The material guiding pipe is connected to the side of the box body opposite to the box door.

[0022] Preferably, the driving assembly comprises a second motor, a lead screw and a guide rod;

[0023] The second motor is fixedly installed at the top end of the trolley;

[0024] The lead screw is vertically rotatably connected to the trolley;

[0025] The guide rod is vertically fixedly installed on the trolley;

[0026] The output shaft of the second motor is fixed to the lead screw;

[0027] The outer cylinder is threadedly connected to the lead screw and slidably connected to the guide rod.

[0028] Preferably, the nitrogen measuring assembly comprises a weighing box and a nitrogen sensor, and is arranged in the box body;

[0029] The weighing box is provided with a heater and a heat conducting plate.

[0030] Preferably, the material guiding assembly comprises a material guiding plate, a material blocking plate and an electric push rod;

[0031] The guide plate is installed on the inner wall of the box, located below the connection point of the guide pipe, and its end extends to the top of the weighing box;

[0032] The electric actuator is mounted on the housing, and its output end is fixed to the baffle plate, which is slidably mounted on the housing.

[0033] Preferably, the air outlet pipe is also equipped with a control valve.

[0034] Compared with the prior art, the beneficial effects of this utility model are:

[0035] (1) This utility model obtains soil through a perforation component. When the soil is transported in the feed pipe, the gas stored in the feed pipe and the gas mixed with the soil during soil collection are discharged through the air outlet pipe. Then the gas enters the box for testing. The whole process is short, the amount of manual operation by the operator is small, and the process from soil collection to testing can be completed in one go, reducing the possibility of contamination during the process from soil collection to testing.

[0036] (2) By using a material guide tube to continuously guide the material from soil collection to testing, this utility model significantly reduces the time exposed to the external environment, thereby reducing the interference of air in the external environment on the testing, thus improving the accuracy of the testing and reducing the error of the testing.

[0037] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0039] Figure 2 This is a partial structural schematic diagram of the punching component of this utility model;

[0040] Figure 3 for Figure 2 A schematic diagram of the structure after the outer cylinder is concealed;

[0041] Figure 4 This is a schematic diagram of the second gear and the spiral soil-removing knife of this utility model.

[0042] Figure 5 This is a side view of the internal structure of the testing box of this utility model;

[0043] Figure 6 This is a structural schematic diagram of the weighing box of this utility model;

[0044] Figure 7 for Figure 6 Structure diagram of the device after hiding the heat-conducting plate.

[0045] In the figure: 1, trolley; 2, punching assembly; 3, detection box; 4, material guiding pipe; 5, driving assembly; 6, nitrogen measuring assembly; 7, material guiding assembly; 8, control valve; 9, air outlet pipe; 10, display panel;

[0046] 21, outer cylinder; 22, first motor; 23, first gear; 24, second gear; 25, helical earth removing knife;

[0047] 31, box body; 32, box door; 33, push handle;

[0048] 51, second motor; 52, lead screw; 53, guide rod;

[0049] 61, weighing box; 62, nitrogen sensor; 63, heat-conducting plate; 64, heater;

[0050] 71, material guiding plate; 72, material blocking plate; 73, electric push rod. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. It should be pointed out that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience in the drawings, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced for illustration, and any size is only exemplary, rather than limiting.

[0052] Embodiment 1:

[0053] Please refer to Figures 1-7 A soil measuring and punching device and its nitrogen measuring equipment, comprising: a trolley 1, a soil punching device, a nitrogen measuring equipment and a display panel 10, wherein the soil punching device comprises a punching assembly 2 and a driving assembly 5, the driving assembly 5 is installed on the trolley, and the driving assembly 5 drives the punching assembly 2 to move vertically; the nitrogen measuring equipment comprises a detection box 3, a nitrogen measuring assembly 6 and a material guiding assembly 7, the detection box 3 is arranged on the trolley 1; the display panel 10 is arranged on the detection box 3; the punching assembly 2 and the detection box 3 are communicated through a material guiding pipe 4, the material guiding assembly 7 is arranged at the interface of the material guiding pipe 4 in the detection box 3, and the material guiding pipe 4 is controlled to open and close; the nitrogen measuring assembly 6 is arranged in the detection box 3 and below the port of the material guiding assembly 7; the material guiding pipe 4 is further provided with an air outlet pipe 9.

[0054] By adopting the above technical scheme, when the trolley 1 is pushed to the position to be punched, the punching assembly 2 is used to punch, and the obtained soil is guided into the detection box 3 through the guide pipe 4, in the process of the soil entering the guide pipe 4, the air in the guide pipe 4 is discharged through the air outlet pipe 9 and then enters the detection box 3 for detection, which significantly reduces the contact time of the soil sample with the air after the soil is obtained, thereby reducing the measurement error.

[0055] The punching assembly 2 comprises an outer cylinder 21, a second gear 24 is rotatably connected to the inner wall of the outer cylinder 21, the second gear 24 is a hollow structure; a first motor 22 is fixedly installed on the outer wall of the outer cylinder 21, and the output shaft of the first motor 22 is fixed with a first gear 23; the outer cylinder 21 is provided with an opening at the position with the same height as the second gear 24, and the first gear 23 and the second gear 24 are meshed with each other at the opening; a spiral soil cutter 25 is fixedly installed in the inner cavity of the outer cylinder 21; the guide pipe 4 is communicated with the outer cylinder 21 and located above the second gear 24.

[0056] By adopting the above technical scheme, when the soil is taken, the spiral soil cutter 25 not only can take soil and convey it upward, but also can crush the soil during the taking process, so as to avoid that the large block of soil is stuck in the guide pipe 4, and during the rotation of the spiral soil cutter 25, the soil is continuously taken, and the soil taken later will continue to press the soil that has entered the guide pipe 4, so that the soil can continuously move.

[0057] The detection box 3 comprises a box body 31, the side surface of the box body 31 is provided with a box door 32 and a push handle 33; the guide pipe 4 is connected to the side of the box body 31 opposite to the box door 32.

[0058] In the embodiment, the inside of the detection box 3 can be in a vacuum state, which further reduces the contact time of the soil entering the detection box 3 with the air.

[0059] The driving assembly 5 comprises a second motor 51, a lead screw 52 and a guide rod 53; the second motor 51 is fixedly installed on the top end of the trolley 1; the lead screw 52 is vertically rotatably connected to the trolley 1; the guide rod 53 is vertically fixedly installed on the trolley 1; the output shaft of the second motor 51 is fixed with the lead screw 52; the outer cylinder 21 is threadedly connected to the lead screw 52 and slidably connected to the guide rod 53.

[0060] The nitrogen measurement assembly 6 comprises a weighing box 61 and a nitrogen sensor 62, which are arranged in the box body 31; the weighing box 61 is provided with a heater 64 and a heat conduction plate 63.

[0061] The soil falling on the heat-conducting plate 63 is heated and dried by the heat-conducting plate 63, so that the gas phase and liquid phase in the soil sample volatilize into the box 31 in the form of gas, the nitrogen concentration value in the box 3 is continuously monitored and detected by the nitrogen sensor 62, until the detection value is stable, the original soil weight and the dry soil weight of the soil falling on the weighing box 61 are detected by the weighing box 61, and the concentration value of the nitrogen sensor 62 is added, so that the percentage of nitrogen in the original soil can be obtained.

[0062] The detection process is as follows: after the nitrogen concentration detection value is stable, that is, the gas phase and liquid phase in the soil sample are uniformly distributed in the detection box 3 in the form of gas, according to the volume of the detection box 3 and the concentration data of nitrogen, the volume of nitrogen in the detection box 3 can be obtained, and the mass of nitrogen is calculated according to the molar mass of nitrogen, so as to calculate the mass percentage of nitrogen in the original soil.

[0063] The material guiding assembly 7 includes a material guiding plate 71, a material blocking plate 72 and an electric push rod 73; the material guiding plate 71 is installed on the inner wall of the box 31 and located below the connecting point of the material guiding pipe 4, and the end extends above the weighing box 61; the electric push rod 73 is arranged on the box 31, and the output end is fixed with the material blocking plate 72, and the material blocking plate 72 is slidingly installed on the box 31.

[0064] In this embodiment, the detection box 3 is a vacuum box with a gas pump in the prior art. In order to further improve the detection accuracy, after the outer cylinder 21 is inserted into the soil to a certain depth and the gas in the material guiding pipe 4 is discharged through the gas outlet pipe 9, a part of the soil is controlled to fall into the weighing box 61, the box door 32 is opened, the part of the soil is taken out, the box door 32 is closed, and then the detection box 3 is pumped to a vacuum state, the soil is re-input into the weighing box 61, and the detection can be performed.

[0065] Embodiment 2:

[0066] On the basis of embodiment 1, the control valve 8 is further arranged on the gas outlet pipe 9, and after the soil fully contacts the material blocking plate 72, the control valve 8 is closed, so that the material blocking plate 72 is opened, and the soil falls into the box 31.

[0067] Working principle: the outer cylinder 21 is driven to press into the soil to a certain depth by the driving assembly 5, the screw type soil cutter 25 is controlled to rotate, the soil is cut and transported into the material guiding pipe 4, the gas outlet pipe 9 is in an open state during this process, until the soil extrudes and discharges the gas in the material guiding pipe 4, then the material blocking plate 72 is opened, so that the soil falls into the nitrogen measuring assembly 6, after a certain amount falls, the material blocking plate 72 is closed, and then the detection can be performed.

[0068] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0069] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0070] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0071] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0072] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0073] The present application discloses the embodiments in the drawings, only relate to the structure involved in the embodiments of the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other.

[0074] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A soil measurement drilling device and its nitrogen measurement equipment, characterized in that, include: trolley (1); A soil drilling device includes a drilling assembly (2) and a driving assembly (5), wherein the driving assembly (5) is mounted on a trolley and drives the drilling assembly (2) to move vertically; The nitrogen measuring device includes a detection box (3), a nitrogen measuring component (6), and a material guiding component (7), wherein the detection box (3) is mounted on the trolley (1); The display panel (10) is located on the detection box (3); The punching assembly (2) and the detection box (3) are connected by a guide tube (4). The guide assembly (7) is located at the interface of the guide tube (4) in the detection box (3) and controls the opening and closing of the guide tube (4). The nitrogen measuring component (6) is located in the detection box (3) and below the port of the material guiding component (7); The feed pipe (4) is also provided with an air outlet pipe (9).

2. The soil measurement drilling device and its nitrogen measurement equipment according to claim 1, characterized in that: The punching assembly (2) includes an outer cylinder (21), and a second gear (24) is rotatably connected to the inner wall of the outer cylinder (21). The second gear (24) has a hollow structure. The outer wall of the outer cylinder (21) is fixedly installed with a first motor (22), and the output shaft of the first motor (22) is fixed with a first gear (23). The outer cylinder (21) has an opening at the same height as the second gear (24), and the first gear (23) and the second gear (24) mesh with each other at the opening; The second gear (24) is fixedly mounted with a spiral soil-removing knife (25) located in the inner cavity of the outer cylinder (21); The feed tube (4) is connected to the outer cylinder (21) and is located above the second gear (24).

3. The soil measurement drilling device and its nitrogen measurement equipment according to claim 1, characterized in that: The testing box (3) includes a box body (31), and the side of the box body (31) is provided with a box door (32) and a push handle (33). The feed pipe (4) is connected to the side of the box body (31) opposite to the box door (32).

4. The soil measurement drilling device and its nitrogen measurement equipment according to claim 2, characterized in that: The drive assembly (5) includes a second motor (51), a lead screw (52), and a guide rod (53); The second motor (51) is fixedly mounted on the top of the trolley (1); The lead screw (52) is vertically rotatably connected to the trolley (1); The guide rod (53) is vertically fixed on the trolley (1); The output shaft of the second motor (51) is fixed to the lead screw (52); The outer cylinder (21) is threaded onto the lead screw (52) and slidably connected onto the guide rod (53).

5. The soil measurement drilling device and its nitrogen measurement equipment according to claim 3, characterized in that: The nitrogen measuring component (6) includes a weighing box (61) and a nitrogen sensor (62), which are located in the box (31); The weighing box (61) is equipped with a heater (64) and a heat-conducting plate (63).

6. The soil measurement drilling device and its nitrogen measurement equipment according to claim 5, characterized in that: The material guiding assembly (7) includes a material guiding plate (71), a baffle plate (72), and an electric push rod (73); The guide plate (71) is installed on the inner wall of the box (31), located below the connection point of the guide pipe (4), and its end extends to the top of the weighing box (61); The electric actuator (73) is mounted on the housing (31), and its output end is fixed to the baffle plate (72). The baffle plate (72) is slidably mounted on the housing (31).

7. The soil measurement drilling device and its nitrogen measurement equipment according to claim 1, characterized in that: The air outlet pipe (9) is also equipped with a control valve (8).

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