A pre-treatment device for soil assays
By placing the screening plate at the bottom of the crushing roller in the soil testing pretreatment device and using a worm gear transmission system to achieve automated and continuous crushing and screening, the problem of low processing efficiency caused by the separation of the crusher and screening machine is solved, and the overall processing efficiency is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI GAOHE ENVIRONMENTAL PROTECTION & ENERGY SAVING EQUIP CO LTD
- Filing Date
- 2024-12-15
- Publication Date
- 2026-06-05
AI Technical Summary
In existing soil testing pretreatment equipment, the crusher and screening machine are usually set up separately, which means that the transfer of soil between the two requires manual operation, resulting in low processing efficiency.
A soil testing pretreatment device was designed, in which a screening plate is placed at the bottom of the crushing roller, and the crushing and screening are automated and continuous through a worm gear transmission system. A knocking mechanism is used to prevent soil accumulation, and the reciprocating motion of the screening plate is achieved through an adjustment mechanism.
It enables automated and continuous crushing and screening operations, improving overall processing efficiency and avoiding stagnation and delays in soil transfer.
Smart Images

Figure CN224327974U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pretreatment device technology, and in particular to a pretreatment device for soil testing. Background Technology
[0002] Soil pretreatment equipment is an indispensable tool in soil science research and environmental monitoring. Its main function is to pre-treat soil samples to determine their physical and chemical properties, providing an accurate basis for subsequent analysis and testing. Pretreatment equipment typically includes several components, such as a grinder, sieve, and dryer. First, the soil sample needs to be ground to ensure its homogeneity and representativeness. Then, sieving separates soil particles of different sizes, facilitating subsequent analysis of the impact of different particle sizes on soil properties. Furthermore, the drying process removes moisture from the sample to achieve stable testing conditions. In soil testing, the quality of pretreatment directly affects the accuracy and reliability of experimental results. Therefore, advanced pretreatment equipment is usually equipped with automation functions to improve processing efficiency and precision.
[0003] In some existing soil testing pretreatment devices, the crusher and screening machine are mostly set up separately. This means that after crushing, the soil still needs to be manually transferred to the screening machine. As a result, the transfer of soil between the two may cause stagnation and delay, thereby reducing the overall processing efficiency. Therefore, this problem needs to be solved. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a pretreatment device for soil testing.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A pretreatment device for soil testing includes a housing. Two first crushing rollers are symmetrically rotatably connected inside the housing. Each of the two first crushing rollers has a first gear fitted at one end, and the two first crushing rollers and the two first gears are mutually coordinated. One end of one of the first crushing rollers has a rotating mechanism for rotating it. A flow divider plate is located at the bottom of the first crushing roller and is fixedly connected to one side of the housing. A striking mechanism for striking the flow divider plate is located inside the flow divider plate. Three support plates are slidably connected inside the housing on the side away from the first crushing rollers. A screening plate is slidably connected to one side of each of the three support plates. An adjustment mechanism for adjusting the screening plate is provided on the surface of each of the three support plates on the side away from the first gear. The use of screening plates significantly increases the overall processing efficiency.
[0007] As a further embodiment of this utility model, the rotating mechanism includes a second rotating shaft rotatably connected inside the housing. A first worm gear is fitted onto the surface of one of the first crushing rollers near the second rotating shaft, and a first worm is fitted onto the surface of the first worm gear. The first worm is fitted onto the surface of the second rotating shaft. Two second crushing rollers are symmetrically rotatably connected inside the housing near the first crushing roller. A second gear is fitted onto the surface of each of the two second crushing rollers near the first gear, and the two second crushing rollers and the two second gears are mutually engaged. A second worm gear is fitted onto the surface of one of the second crushing rollers near the second rotating shaft, and a second worm is fitted onto the surface of the second worm gear. The second worm is fitted onto the surface of the second rotating shaft. Two guide plates are provided between the first and second crushing rollers, and the two guide plates are symmetrically arranged. Both guide plates are fixedly connected inside the housing. The first worm allows the first crushing roller to rotate.
[0008] As a further embodiment of this utility model, the striking mechanism includes a first rotating shaft rotatably connected to one side of the diverter plate. Four turntables are fitted on the surface of the first rotating shaft near the diverter plate, and three striking elements are rotatably connected to the surfaces of the four turntables. The three striking elements are evenly arranged in a ring, and each of the three striking elements cooperates with the diverter plate. A third worm gear is fitted on the surface of the first rotating shaft near the second rotating shaft, and a third worm is fitted on the surface of the third worm gear. The third worm is fitted on the surface of the second rotating shaft. By setting the striking elements, the diverter plate can be struck.
[0009] As a further embodiment of this utility model, the adjusting mechanism includes a third gear, which is rotatably connected to one side of the box. A limiting post is fixedly connected to the top of the third gear, and a connecting arm is sleeved on the surface of the limiting post. The connecting arm is rotatably connected to one side of the support plate. A fourth gear is fitted on the surface of the third gear, and the fourth gear is sleeved on the surface of the second rotating shaft. A rotating mechanism for rotating the second rotating shaft is provided at the bottom of the second rotating shaft. By setting the limiting post, the screening plate can be adjusted.
[0010] As a further embodiment of this utility model, the rotating mechanism includes a motor, which is fixedly connected inside the housing. The output shaft of the motor is fixedly connected to a first synchronous pulley. A second synchronous pulley is fitted onto the surface of the second rotating shaft near the first synchronous pulley. The surfaces of the first and second synchronous pulleys are fitted with the same synchronous belt. A first chamber door is opened on the surface of the housing near the first crushing roller, and a second chamber door is opened on the surface of the housing near the screening plate. An operation panel is provided on the surface of the housing near the first chamber door. The second rotating shaft can be rotated by the synchronous belt.
[0011] The beneficial effects of this utility model are as follows:
[0012] 1. This utility model, by adopting a technical solution of setting the screening plates at the bottom of the crushing roller, can greatly increase the overall processing efficiency. This effectively solves the problem that most crushers and screening machines are set up separately, requiring manual transfer of soil after crushing, which can lead to stagnation and delays during soil transfer, thus reducing overall processing efficiency. Three screening plates are installed at the bottom of the diversion plate, with the screen holes of the three plates gradually decreasing in size. Connecting arms are installed on one side of each of the three screening plates, and these connecting arms are connected to the limiting post at the top of the third gear. Because the limiting post is offset from the center, when the fourth gear drives the third gear to rotate, the screening plates can reciprocate, thereby achieving the purpose of soil screening. Since the screening plates are installed at the bottom of the first crushing roller, the soil can be screened immediately after crushing, thus avoiding the problem of stagnation and delays caused by soil transfer between the two, which reduces overall processing efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of a pretreatment device for soil testing proposed in this utility model.
[0014] Figure 2 This is a side view of the pretreatment device for soil testing proposed in this utility model.
[0015] Figure 3 This is a schematic diagram of the internal structure of a pretreatment device for soil testing proposed in this utility model.
[0016] Figure 4 This is a schematic diagram of the rotating mechanism of a pretreatment device for soil testing proposed in this utility model.
[0017] Figure 5 A schematic diagram of the striking mechanism of a pretreatment device for soil testing proposed in this utility model;
[0018] Figure 6 This is a schematic diagram of the adjustment mechanism of a pretreatment device for soil testing proposed in this utility model.
[0019] Figure 7 for Figure 6 Enlarged structural diagram at point A in the diagram;
[0020] Figure 8 This is a schematic diagram of the rotating mechanism of a soil testing pretreatment device proposed in this utility model.
[0021] In the diagram: 1. Housing; 2. First crushing roller; 3. Diverter plate; 4. Support plate; 5. Motor; 101. First chamber door; 102. Second chamber door; 103. Control panel; 201. First gear; 202. First worm gear; 203. Guide plate; 204. Second crushing roller; 205. Second gear; 206. Second worm gear; 301. First rotating shaft; 302. Turntable; 303. Striking component; 304. Third worm gear; 401. Screening plate; 402. Connecting arm; 403. Third gear; 404. Limiting post; 501. First synchronous pulley; 502. Second synchronous pulley; 503. Synchronous belt; 504. Second rotating shaft; 505. Fourth gear; 506. Third worm; 507. Second worm; 508. First worm. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0024] Reference Figures 1-8 A pretreatment device for soil testing includes a housing 1. Inside the housing 1, two first crushing rollers 2 are symmetrically rotatably connected. Each of the two first crushing rollers 2 has a first gear 201 fitted at one end, and the two first crushing rollers 2 and the two first gears 201 are configured to cooperate with each other. One of the first crushing rollers 2 has a rotating mechanism at one end for rotating the first crushing roller 2. A diverting plate 3 is provided at the bottom of the first crushing roller 2. The diverting plate 3 is fixedly connected to one side inside the housing 1. The diverting plate 3 has a striking mechanism inside for striking the diverting plate 3. Three support plates 4 are slidably connected inside the housing 1 on the side away from the first crushing rollers 2. Each of the three support plates 4 has a slidably connected screening plate 401 on one side. The surface of the three support plates 4 on the side away from the first gear 201 is provided with an adjustment mechanism for adjusting the screening plate 401. The setting of the screening plate 401 can greatly increase the overall processing efficiency.
[0025] Preferably, the rotating mechanism includes a second rotating shaft 504, which is rotatably connected inside the housing 1. A first worm gear 202 is fitted onto the surface of one of the first crushing rollers 2 near the second rotating shaft 504. A first worm 508 is fitted onto the surface of the first worm gear 202, and the first worm 508 is fitted onto the surface of the second rotating shaft 504. Two second crushing rollers 204 are symmetrically rotatably connected inside the housing 1 near the first crushing roller 2. The second crushing rollers 204 allow for secondary crushing of the soil. A second gear is fitted onto the surface of each of the two second crushing rollers 204 near the first gear 201. 205, and the two second crushing rollers 204 and the two second gears 205 are all arranged in a mutually cooperating manner. One of the second crushing rollers 204 has a second worm gear 206 sleeved on the surface of the side near the second rotating shaft 504. The surface of the second worm gear 206 is fitted with a second worm 507. The second worm 507 is sleeved on the surface of the second rotating shaft 504. Two guide plates 203 are provided between the first crushing roller 2 and the second crushing roller 204. The two guide plates 203 are symmetrically arranged. Both guide plates 203 are fixedly connected to the inside of the housing 1. The first crushing roller 2 can be rotated by the setting of the first worm 508.
[0026] Furthermore, the striking mechanism includes a first rotating shaft 301, which is rotatably connected to one side of the diverter plate 3. Four turntables 302 are fitted on the surface of the first rotating shaft 301 near the diverter plate 3. Three striking elements 303 are rotatably connected to the surfaces of the four turntables 302. The three striking elements 303 are evenly arranged in a ring. Through the arrangement of the first rotating shaft 301, multiple striking elements 303 can rotate simultaneously, and all three striking elements 303 cooperate with the diverter plate 3. A third worm gear 304 is fitted on the surface of the first rotating shaft 301 near the second rotating shaft 504. A third worm 506 is fitted on the surface of the third worm gear 304. The third worm 506 is fitted on the surface of the second rotating shaft 504. Through the arrangement of the striking elements 303, the diverter plate 3 can be struck.
[0027] Preferably, the adjusting mechanism includes a third gear 403, which is rotatably connected to one side of the inside of the housing 1. A limiting post 404 is fixedly connected to the top of the third gear 403. A connecting arm 402 is sleeved on the surface of the limiting post 404 and is rotatably connected to one side of the support plate 4. A fourth gear 505 is fitted on the surface of the third gear 403 and is sleeved on the surface of the second rotating shaft 504. The limiting post 404 can be rotated by the setting of the fourth gear 505. The bottom of the second rotating shaft 504 is provided with a rotating mechanism for rotating the second rotating shaft 504. The screening plate 401 can be adjusted by the setting of the limiting post 404.
[0028] Furthermore, the rotating mechanism includes a motor 5, which is fixedly connected inside the housing 1. The output shaft of the motor 5 is fixedly connected to a first synchronous pulley 501. A second synchronous pulley 502 is fitted on the surface of the second rotating shaft 504 near the first synchronous pulley 501. The same synchronous belt 503 is fitted on the surfaces of the first synchronous pulley 501 and the second synchronous pulley 502. A first chamber door 101 is opened on the surface of the housing 1 near the first crushing roller 2. A second chamber door 102 is opened on the surface of the housing 1 near the screening plate 401. An operation panel 103 is provided on the surface of the housing 1 near the first chamber door 101. The second rotating shaft 504 can be rotated by the synchronous belt 503.
[0029] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: In use, the first chamber door 101 is opened, and then the soil to be crushed is placed between the two first crushing rollers 2. Then, the motor 5 is started. A synchronous belt 503 is installed on the output shaft of the motor 5, and the other end of the synchronous belt 503 is engaged with the second rotating shaft 504. Thus, when the motor 5 starts, the second rotating shaft 504 will rotate synchronously. A fourth gear 505, a third worm 506, a second worm 507, and a first worm 508 are respectively installed on the surface of the second rotating shaft 504. When shaft 504 rotates, the fourth gear 505, the third worm 506, the second worm 507, and the first worm 508 all rotate. The first worm 508 engages with the first worm wheel 202 on one side of the first crushing roller 2. Thus, when motor 504 is engaged, the first crushing roller 2 crushes the soil. A second crushing roller 204 is installed at the bottom of the first crushing roller 2, allowing for finer crushing of the soil. A diverter plate 3 is installed at the bottom of the second crushing roller 204, and the diverter plate 3 is triangularly arranged, so the crushed soil, after falling, will be dispersed to both sides. The flow divider plate 3 is moved sideways to prevent accumulation in the middle. A striking element 303 is installed inside the flow divider plate 3, and multiple striking elements 303 are connected by a first rotating shaft 301. A third worm gear 304 is installed at one end of the first rotating shaft 301, and the third worm gear 304 cooperates with a third worm 506. Therefore, when the first crushing roller 2 and the second crushing roller 204 are crushing, the striking element 303 will rotate synchronously, thereby striking the flow divider plate 3 to prevent accumulation on its surface. Three screening plates 401 are installed at the bottom of the flow divider plate 3, and the screen holes of the three screening plates 401 gradually decrease in size. The three screening plates 401 are each equipped with a connecting arm 402 on one side. The connecting arm 402 is set with the limiting post 404 on the top of the third gear 403. Because the limiting post 404 is set off from the center, when the fourth gear 505 drives the third gear 403 to rotate, the screening plate 401 can reciprocate, thereby achieving the purpose of screening the soil. Since the screening plate 401 is installed at the bottom of the first crushing roller 2, the soil can be screened immediately after crushing, thus avoiding the problem that the transfer of soil between the two may cause stagnation and delay, thereby reducing the overall processing efficiency.
[0030] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0031] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0032] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A pretreatment device for soil testing, comprising a housing (1), characterized in that, The box (1) is symmetrically connected to two first crushing rollers (2). One end of each of the two first crushing rollers (2) is fitted with a first gear (201). The two first crushing rollers (2) and the two first gears (201) are configured to cooperate with each other. One end of one of the first crushing rollers (2) is provided with a rotating mechanism for rotating the first crushing roller (2). The bottom of the first crushing roller (2) is provided with a diverting plate (3). The diverting plate (3) is fixedly connected to one side of the box (1). The diverting plate (3) is provided with a striking mechanism for striking the diverting plate (3). Three support plates (4) are slidably connected inside the box (1) on the side away from the first crushing roller (2). A screening plate (401) is slidably connected to one side of each of the three support plates (4). The surface of each of the three support plates (4) on the side away from the first gear (201) is provided with an adjusting mechanism for adjusting the screening plate (401).
2. The soil pretreatment device according to claim 1, characterized in that, The rotating mechanism includes a second rotating shaft (504), which is rotatably connected to the inside of the housing (1). A first worm gear (202) is sleeved on the surface of the first crushing roller (2) near the second rotating shaft (504). A first worm (508) is fitted on the surface of the first worm gear (202), and the first worm (508) is sleeved on the surface of the second rotating shaft (504).
3. The soil pretreatment device according to claim 2, characterized in that, The housing (1) has two second crushing rollers (204) symmetrically rotatably connected inside the side of the first crushing roller (2). The surfaces of the two second crushing rollers (204) near the first gear (201) are fitted with second gears (205), and the two second crushing rollers (204) and the two second gears (205) are mutually coordinated. One of the second crushing rollers (204) has a second worm gear (206) fitted on the surface of the side of the second rotating shaft (504). The surface of the second worm gear (206) is fitted with a second worm (507), and the second worm (507) is fitted on the surface of the second rotating shaft (504). Two guide plates (203) are provided between the first crushing roller (2) and the second crushing roller (204), and the two guide plates (203) are symmetrically arranged. The two guide plates (203) are fixedly connected inside the housing (1).
4. The soil pretreatment apparatus according to claim 1, characterized in that, The striking mechanism includes a first rotating shaft (301), which is rotatably connected to one side of the diverter plate (3). Four turntables (302) are fitted on the surface of the first rotating shaft (301) near the diverter plate (3). Three striking elements (303) are rotatably connected to the surfaces of the four turntables (302). The three striking elements (303) are evenly arranged in a ring, and the three striking elements (303) cooperate with the diverter plate (3). A third worm gear (304) is fitted on the surface of the first rotating shaft (301) near the second rotating shaft (504). A third worm (506) is fitted on the surface of the third worm gear (304). The third worm (506) is fitted on the surface of the second rotating shaft (504).
5. The soil pretreatment apparatus according to claim 1, characterized in that, The adjustment mechanism includes a third gear (403), which is rotatably connected to one side of the housing (1). A limiting post (404) is fixedly connected to the top of the third gear (403). A connecting arm (402) is sleeved on the surface of the limiting post (404). The connecting arm (402) is rotatably connected to one side of the support plate (4). A fourth gear (505) is fitted on the surface of the third gear (403). The fourth gear (505) is sleeved on the surface of the second rotating shaft (504). A rotating mechanism for rotating the second rotating shaft (504) is provided at the bottom of the second rotating shaft (504).
6. The soil pretreatment apparatus according to claim 5, characterized in that, The rotating mechanism includes a motor (5), which is fixedly connected inside the housing (1). The output shaft of the motor (5) is fixedly connected to a first synchronous pulley (501). A second synchronous pulley (502) is sleeved on the surface of the second rotating shaft (504) near the first synchronous pulley (501). The same synchronous belt (503) is sleeved on the surfaces of the first synchronous pulley (501) and the second synchronous pulley (502). A first chamber door (101) is opened on the surface of the housing (1) near the first crushing roller (2). A second chamber door (102) is opened on the surface of the housing (1) near the screening plate (401). An operation panel (103) is provided on the surface of the housing (1) near the first chamber door (101).