A multi-directional soil adhesion testing device

Abstract

The application discloses a multi-direction soil adhesion force testing device, belonging to the technical field of soil adhesion force testing, which comprises a main body support assembly, an adaptive protection assembly, an adjustable cleaning mechanism and a testing angle adjusting structure, wherein the adaptive protection assembly is arranged on the main body support assembly. The adaptive protection assembly, the adjustable cleaning mechanism and the testing angle adjusting structure can not only test the adhesion force of soil under different angles, but also effectively protect the soil from being separated during the testing process under a large centrifugal force. The application effectively solves the problem that most devices on the market can only test at a fixed angle and cannot adapt to the testing requirements of soil adhesion force in different directions, which leads to limited applicability of the testing results and the soil is easily thrown out due to the centrifugal force during high-speed rotation testing, which not only affects the testing accuracy, but also may cause equipment damage or injury to the operator.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of soil adhesion force testing, and particularly relates to a multidirectional soil adhesion force testing device. BACKGROUND

[0002] Soil adhesion force testing is a key link in agricultural machinery design, soil mechanics research and engineering application, and directly affects the accuracy of plowing tool optimization, soil erosion prevention and engineering stability evaluation. In the field of soil mechanics research and agricultural engineering, soil adhesion force testing is an important work.

[0003] In the prior art, the soil adhesion force testing device usually has the following problems:

[0004] 1. Most devices can only test at a fixed angle, which cannot adapt to the testing requirements of soil adhesion force in different directions, resulting in limited applicability of the test results.

[0005] 2. In the high-speed rotation test process, the soil is easily thrown out due to the centrifugal force, which not only affects the test accuracy, but also may cause equipment damage or injury to the operator. SUMMARY

[0006] In view of the above problems, the present application provides a multidirectional soil adhesion force testing device, which can test the adhesion force of soil at different angles and effectively protect the soil from being thrown out under high centrifugal force, thereby solving the problems of limited applicability of test results and equipment damage or injury to the operator.

[0007] The technical scheme adopted by the present application is as follows: The present application provides a multidirectional soil adhesion force testing device, which comprises a main support assembly, an adaptive protection assembly, an adjustable cleaning mechanism and a test angle adjusting structure. The adaptive protection assembly is arranged on the main support assembly, the adjustable cleaning mechanism is arranged on the main support assembly, and the test angle adjusting structure is arranged on the main support assembly. The adjustable cleaning mechanism and the test angle adjusting structure are arranged on one side of the adaptive protection assembly. The adaptive protection assembly comprises an angle adjusting assembly, a protection assembly and a driven gear. The main support assembly comprises a driving gear, and the driving gear is connected with the driven gear.

[0008] The adjustable cleaning mechanism comprises a fixed sleeve, the fixed sleeve is rotationally connected to the main body support assembly, a key groove is formed in the fixed sleeve, a lifting rod is slidably connected in the key groove, a key is fixedly connected to the outer surface of the lifting rod, the key is slidably connected in the key groove, an adjusting spring is arranged between the lifting rod and the fixed sleeve, one end of the adjusting spring is fixedly connected to the fixed sleeve, and the other end of the adjusting spring is fixedly connected to the lifting rod;

[0009] The adjustable cleaning mechanism further comprises a rotating cross plate, the rotating cross plate is rotationally connected to the end of the lifting rod away from the fixed sleeve, a limiting moving groove is formed in the rotating cross plate, an electric telescopic rod is fixedly connected to the upper surface of the rotating cross plate, a reciprocating sliding block is connected to the telescopic end of the electric telescopic rod, the reciprocating sliding block is slidably connected in the limiting moving groove, and a cleaning piece is detachably connected to the bottom surface of the reciprocating sliding block;

[0010] The test angle adjusting structure comprises a mounting base, the mounting base is fixedly connected to the main body support assembly, a rotating screw is rotationally connected in the mounting base, a driven gear is fixedly connected to the rotating screw, a mounting groove is formed in the mounting base, a positioning shaft is rotationally connected in the mounting groove, a driving gear is fixedly connected to the positioning shaft, and the driving gear is meshingly connected to the driven gear;

[0011] The test angle adjusting structure further comprises a lifting top plate, the lifting top plate is slidably connected in the mounting base, and the lifting top plate is threadedly connected to the rotating screw, a fixed support is arranged on the outer surface of the mounting base, a linkage rod is slidably connected to the fixed support, a telescopic spring is connected between the linkage rod and the fixed support, one end of the telescopic spring is fixedly connected to the linkage rod, the other end of the telescopic spring is fixedly connected to the fixed support, a limiting lock block is fixedly connected to the end of the linkage rod away from the fixed support, a locking tooth is fixedly connected to the side of the limiting lock block close to the driving gear, and the locking tooth is meshingly connected to the driving gear.

[0012] Further, the angle adjusting assembly comprises: a rotating sleeve, rotationally connected to the upper surface of the main body support assembly; a limiting groove, formed in the top end of the rotating sleeve; a universal joint, rotationally connected to the top end of the rotating sleeve; fixed limiting blocks, uniformly distributed on the outer surface of the universal joint, and slidably connected in the limiting groove, and fixedly connected to the universal joint.

[0013] Further, the angle adjusting assembly further comprises a rotating ring, fixedly connected to the top end of the universal joint; an extension sliding groove, symmetrically formed on the rotating ring; an extension block, slidably connected in the extension sliding groove; a reset spring, one end fixedly connected to the extension block, and the other end fixedly connected to the rotating ring, for driving the extension block to reset.

[0014] Further, the protection assembly comprises a placing plate fixedly connected to the upper surface of the rotating ring, a sliding drive rod symmetrically arranged on the bottom surface of the placing plate and slidingly connected to the placing plate, a transmission bracket fixedly connected to one end of the sliding drive rod, a vertical plate fixedly connected to the bottom surface of the placing plate, and a rotating shaft penetrating and rotatingly connected to the vertical plate.

[0015] Further, the protection assembly further comprises a torsion spring having one end fixedly connected to the vertical plate and the other end fixedly connected to the rotating shaft, a clamping groove formed in the end of the rotating shaft away from the torsion spring, a rotating gear fixedly connected to the rotating shaft, a lifting baffle arranged on the placing plate, and a connecting rack symmetrically arranged on the lifting baffle and fixedly connected to the lifting baffle, and the connecting rack is engaged with the rotating gear.

[0016] Further, the end of the transmission bracket away from the sliding drive rod is slidingly connected to the clamping groove, and an extension block is fixedly connected to the sliding drive rod.

[0017] Further, the extension stroke of the electric telescopic rod is matched with the length of the limiting movement groove, so that the reciprocating sliding block can reciprocate in the limiting movement groove.

[0018] Further, the lifting top plate is arranged below the lifting baffle, and the upper surface of the lifting top plate abuts against the bottom surface of the lifting baffle.

[0019] Further, the tooth number ratio of the driving gear to the driven gear is 1:2, the pitch of the rotating screw is 3mm, and the elastic coefficient of the telescopic spring is 5N / mm, and in the natural state, the locking clamping teeth are closely engaged with the driving gear.

[0020] Further, the main body support assembly comprises a fixed support base and a driving motor, and the driving motor is embeddedly connected to the fixed support base, and the driving gear is fixedly connected to the output end of the driving motor.

[0021] The beneficial effects achieved by the above structure are as follows:

[0022] (1) In order to solve the problem that the soil adhesion force testing device on the market can only test at a fixed angle, cannot adapt to the soil adhesion force testing requirements in different directions, and the soil is easily thrown out due to centrifugal force in the high-speed rotation testing process, the self-adaptive protection assembly, the adjustable cleaning structure and the testing angle adjusting structure are arranged, so that the soil adhesion force under different angles can be tested, and effective protection can be performed under the condition of large centrifugal force to avoid the soil from being separated in the testing process.

[0023] (2) By testing the angle adjusting structure in the main driven gear-pinion linkage and rotating screw lifting design, combined with the limiting sliding connection of universal joint and rotating sleeve, the multi-degree-of-freedom tilt angle of the placing plate is accurately adjusted, the direction of adhesion force under different working conditions can be simulated, and the coverage of the test scene is significantly improved;

[0024] (3) The extension block-reset spring and transmission support-rotating gear linkage structure driven by centrifugal force automatically triggers the lifting of the lifting baffle at high speed, forms a dynamic protective barrier, effectively prevents soil samples from splashing, and ensures the structural stability under low speed or static state through the clamping groove locking mechanism, and takes into account safety and operation convenience;

[0025] (4) The adjustable cleaning mechanism adopts keyway-lifting rod elastic cooperation and cleaning piece driven by electric telescopic rod, realizes automatic cleaning of the surface of the placing plate, and the cleaning piece can be quickly replaced, greatly reduces the experimental interval time; The separate design of the fixed sleeve and the rotating horizontal plate further simplifies the maintenance process. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional structure diagram of a multi-directional soil adhesion force testing device is provided for the present application Figure One ;

[0027] Figure 2 A three-dimensional structure diagram of a multi-directional soil adhesion force testing device is provided for the present application Figure Two ;

[0028] Figure 3 An exploded structure diagram of a multi-directional soil adhesion force testing device is provided for the present application

[0029] Figure 4 A partial structure bottom view of a multi-directional soil adhesion force testing device is provided for the present application

[0030] Figure 5 An exploded diagram of a part of the adaptive protection assembly Figure One ;

[0031] Figure 6 An exploded diagram of a part of the adaptive protection assembly Figure Two ;

[0032] Figure 7 An exploded diagram of a part of the adaptive protection assembly Figure Three ;

[0033] Figure 8 An exploded diagram of an adjustable cleaning mechanism

[0034] Figure 9 A whole diagram of a test angle adjusting structure

[0035] Figure 10 The explosion structure schematic diagram for testing the angle adjusting structure;

[0036] Figure 11 For Figure 10 The enlarged schematic diagram of the structure at A in the middle.

[0037] Wherein, 1, main body support assembly; 101, fixed support base; 102, driving motor; 103, driving gear; 2, adaptive protection assembly; 201, rotating sleeve; 202, driven gear; 203, limiting groove; 204, universal joint; 205, fixed limiting block; 206, rotating ring; 207, extension sliding groove; 208, extension block; 209, return spring; 210, placing plate; 211, sliding driving rod; 212, transmission bracket; 213, vertical plate; 214, rotating shaft; 215, torsion spring; 216, clamping groove; 217, rotating gear; 218, lifting baffle; 219, connecting rack; 3, adjustable cleaning mechanism; 301, fixed sleeve; 302, key groove; 303, lifting rod; 304, key; 305, adjusting spring; 306, rotating cross plate; 307, limiting movement groove; 308, electric telescopic rod; 309, reciprocating sliding block; 310, cleaning sheet; 4, test angle adjusting structure; 401, mounting base; 402, rotating screw; 403, driven gear; 404, mounting groove; 405, positioning shaft; 406, driving gear; 407, lifting top plate; 408, fixed bracket; 409, linkage rod; 410, telescopic spring; 411, limiting lock block; 412, locking clamping tooth.

[0038] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, which are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation to the present application. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] As shown in Figures 1-11 The present application provides a multi-directional soil adhesion force testing device, which comprises a main support assembly 1, an adaptive protection assembly 2, an adjustable cleaning mechanism 3 and a test angle adjusting structure 4. The adaptive protection assembly 2 is arranged on the main support assembly 1. The adjustable cleaning mechanism 3 is arranged on the main support assembly 1. The test angle adjusting structure 4 is arranged on the main support assembly 1. The adjustable cleaning mechanism 3 and the test angle adjusting structure 4 are arranged on one side of the adaptive protection assembly 2. The adaptive protection assembly 2 comprises an angle adjusting assembly, a protection assembly and a driven gear 202. The main support assembly 1 comprises a driving gear 103. The driving gear 103 is connected with the driven gear 202 in meshing connection.

[0042] The main support assembly 1 serves as the basis of the entire device and provides installation support for other components. The meshing connection between the driving gear 103 and the driven gear 202 establishes a power transmission relationship between the main support assembly 1 and the adaptive protection assembly 2, so that the main support assembly 1 can drive the adaptive protection assembly 2 to operate.

[0043] As shown in Figures 4-7 The angle adjusting assembly comprises a rotating sleeve 201 rotatably connected to the upper surface of the main support assembly 1, a limiting groove 203 opened at the top end of the rotating sleeve 201, a universal joint 204 rotatably connected to the top end of the rotating sleeve 201, fixed limiting blocks 205 uniformly distributed on the outer surface of the universal joint 204, the fixed limiting blocks 205 being slidably connected in the limiting groove 203 and fixedly connected with the universal joint 204, a rotating ring 206 fixedly connected to the top end of the universal joint 204, extension sliding grooves 207 symmetrically opened on the rotating ring 206, an extension block 208 slidably connected in the extension sliding grooves 207, and a return spring 209 having one end fixedly connected to the extension block 208 and the other end fixedly connected to the rotating ring 206, for driving the extension block 208 to reset.

[0044] When the driven gear 202 drives the rotating sleeve 201 to rotate, the rotating sleeve 201 can drive the universal joint 204 and the rotating ring 206 to rotate due to the sliding fit between the fixed limiting block 205 and the limiting groove 203.

[0045] Further, the angle of the placement plate 210 in the rotating process is self-adaptively adjusted, the inclination angle of the placement plate 210 can be changed according to different test requirements, and meanwhile the reset spring 209 ensures that the extension block 208 can be automatically reset under specific conditions, thereby providing conditions for subsequent operations and improving the flexibility and accuracy of the test.

[0046] The protection assembly comprises a placement plate 210 fixedly connected to the upper surface of the rotating ring 206, sliding drive rods 211 symmetrically arranged on the bottom surface of the placement plate 210 and slidingly connected to the placement plate 210, a transmission bracket 212 fixedly connected to one end of the sliding drive rod 211, a vertical plate 213 fixedly connected to the bottom surface of the placement plate 210, a rotating shaft 214 penetratingly and rotatably connected to the vertical plate 213, a torsion spring 215 having one end fixedly connected to the vertical plate 213 and the other end fixedly connected to the rotating shaft 214, a clamping groove 216 formed in the end of the rotating shaft 214 away from the torsion spring 215, a rotating gear 217 fixedly connected to the rotating shaft 214, a lifting baffle 218 arranged on the placement plate 210, and connecting racks 219 symmetrically arranged on the lifting baffle 218 and fixedly connected to the lifting baffle 218, and the connecting racks 219 are engaged with the rotating gear 217.

[0047] During the rotating process of the placement plate 210, the rotating speed of the rotating ring 206 on the bottom surface of the placement plate 210 is accelerated, the centrifugal force borne by the extension block 208 arranged on the rotating ring 206 is increased, when the centrifugal force exceeds the supporting force provided by the reset spring 209, the extension block 208 moves outward, the movement of the extension block 208 drives the sliding drive rod 211 to slide on the bottom surface of the placement plate 210, the sliding drive rod 211 drives the transmission bracket 212 to slide, so that the end of the transmission bracket 212 away from the sliding drive rod 211 is separated from the clamping groove 216 formed on the rotating shaft 214, after the transmission bracket 212 is separated from the clamping groove 216, the rotating shaft 214 is driven by the torsion spring 215 to rotate, the rotating shaft 214 drives the rotating gear 217 to rotate, and the rotating gear 217 drives the lifting baffle 218 to move upward through the connecting racks 219, so that the top end of the lifting baffle 218 is higher than the upper surface of the placement plate 210.

[0048] Further, the design of the protection assembly effectively prevents the soil placed on the placing plate 210 from being thrown out of the placing plate 210 due to the centrifugal force. Through the interaction of the centrifugal force and the spring force, an automatic protection mechanism is realized. When the centrifugal force reaches a certain value, the protection assembly is automatically started, the lifting baffle 218 is lifted to be higher than the upper surface of the placing plate 210, and a protection barrier is formed. This not only improves the safety of the test process and avoids equipment damage and personnel injury caused by soil splashing, but also ensures the continuity and stability of the test, and ensures that the soil adhesion force test can be smoothly carried out at different rotation speeds.

[0049] The transmission bracket 212 is slidably connected to the clamping groove 216 at the end away from the sliding drive rod 211, and the extension block 208 is fixedly connected to the sliding drive rod 211.

[0050] As shown in Figure 8 The adjustable cleaning mechanism 3 comprises a fixed sleeve 301, the fixed sleeve 301 is rotationally connected to the main body support assembly 1, a key groove 302 is formed in the fixed sleeve 301, a lifting rod 303 is slidably connected in the key groove 302, a key 304 is fixedly connected to the outer surface of the lifting rod 303, an adjusting spring 305 is arranged between the lifting rod 303 and the fixed sleeve 301, one end of the adjusting spring 305 is fixedly connected to the fixed sleeve 301, and the other end of the adjusting spring 305 is fixedly connected to the lifting rod 303.

[0051] The adjustable cleaning mechanism 3 further comprises a rotating cross plate 306, the rotating cross plate 306 is rotationally connected to the end of the lifting rod 303 away from the fixed sleeve 301, a limit moving groove 307 is formed in the rotating cross plate 306, an electric telescopic rod 308 is fixedly connected to the upper surface of the rotating cross plate 306, a reciprocating sliding block 309 is connected to the telescopic end of the electric telescopic rod 308, and the reciprocating sliding block 309 is slidably connected in the limit moving groove 307, and a cleaning sheet 310 is detachably connected to the bottom surface of the reciprocating sliding block 309.

[0052] After the test is completed, the placing plate 210 needs to be cleaned. First, the cleaning sheet 310 used for cleaning is adhered to the bottom surface of the reciprocating sliding block 309, the rotating cross plate 306 is manually rotated, the reciprocating sliding block 309 is moved above the placing plate 210, the electric telescopic rod 308 is started, the electric telescopic rod 308 drives the reciprocating sliding block 309 to contract along the limit moving groove 307, at the same time, the worker manually presses the lifting rod 303 downward, so that the cleaning sheet 310 abuts against the upper surface of the placing plate 210, the driving motor 102 is started again, and the placing plate 210 is rotated. The cleaning sheet 310 cleans the upper surface of the placing plate 210 under the action of the electric telescopic rod 308.

[0053] Further, the design of the adjustable cleaning mechanism realizes efficient cleaning of the placement plate 210. Through the cooperation of the electric telescopic rod 308 and the reciprocating slide block 309, the cleaning piece 310 can closely adhere to the surface of the placement plate 210 and clean all directions during the rotation of the placement plate 210. This automatic cleaning method not only improves the cleaning efficiency and reduces the tediousness of manual operation, but also ensures the cleanliness of the placement plate 210, provides a clean platform for the next test, and ensures the accuracy of the test results.

[0054] As shown in Figures 9-11 The test angle adjusting structure 4 includes a mounting base 401 fixedly connected to the main body support assembly 1, a rotating screw 402 rotatably connected inside the mounting base 401, a passive gear 403 fixedly connected to the rotating screw 402, a mounting groove 404 formed in the mounting base 401, a positioning shaft 405 rotatably connected inside the mounting groove 404, a driving gear 406 fixedly connected to the positioning shaft 405, and the driving gear 406 meshingly connected to the passive gear 403.

[0055] The test angle adjusting structure 4 further includes a lifting top plate 407 slidingly connected inside the mounting base 401 and threadedly connected to the rotating screw 402, a fixed support 408 provided on the outer surface of the mounting base 401, a linkage rod 409 slidingly connected to the fixed support 408, an extension spring 410 connected between the linkage rod 409 and the fixed support 408, one end of the extension spring 410 fixedly connected to the linkage rod 409, the other end of the extension spring 410 fixedly connected to the fixed support 408, a limit lock block 411 fixedly connected to the end of the linkage rod 409 away from the fixed support 408, a locking tooth 412 fixedly connected to the side of the limit lock block 411 close to the driving gear 406, and the locking tooth 412 meshingly connected to the driving gear 406.

[0056] The lifting top plate 407 is arranged below the lifting baffle 218, and the upper surface of the lifting top plate 407 abuts against the bottom surface of the lifting baffle 218.

[0057] When the inclination angle of the placement plate 210 needs to be adjusted, the linkage rod 409 is manually pulled upwards, and the limiting lock block 411 is moved upwards until the limiting lock block 411 is disengaged from the driving gear 406. At this time, the driving gear 406 is free to rotate. The driving gear 406 is manually rotated, and the driving gear 406 rotates to drive the driven gear 403 to rotate, and the driven gear 403 rotates to drive the rotating screw 402 to rotate inside the mounting base 401. With the rotation of the rotating screw 402, the lifting top plate 407 is displaced upwards along the mounting base 401. Since the upper surface of the lifting top plate 407 abuts against the bottom surface of the lifting baffle 218, the lifting of the lifting top plate 407 causes the lifting baffle 218 to tilt the placement plate 210. The placement plate 210 is connected to the rotating sleeve 201 through the universal joint 204, and this connection allows the angle of the placement plate 210 to be freely adjusted. After the angle of the placement plate 210 is adjusted, the rotation of the driving gear 406 is stopped, and then the linkage rod 409 is released. The linkage rod 409 is reset under the action of the extension spring 410, and the limiting lock block 411 connected to the bottom of the linkage rod 409 is reset to the initial position. The locking teeth 412 provided on the limiting lock block 411 engage the driving gear 406, thereby limiting the rotation of the driving gear 406.

[0058] Further, the design of the angle adjustment structure allows the inclination angle of the placement plate 210 to be accurately adjusted according to testing requirements. The linkage rod 409 and the driving gear 406 are manually operated to achieve the convenience and flexibility of angle adjustment. The connection of the universal joint 204 further ensures the stability of the placement plate 210 during angle adjustment. The locking mechanism of the limiting lock block 411 and the locking teeth 412 ensures the stability of the placement plate 210 after angle adjustment, avoiding changes in angle due to vibration or other factors during testing, thereby ensuring the accuracy and reliability of the soil adhesion test.

[0059] The main support assembly 1 includes a fixed support base 101 and a driving motor 102. The driving motor 102 is embeddedly connected to the fixed support base 101, and the driving gear 103 is fixedly connected to the output end of the driving motor 102.

[0060] In specific use, the soil is placed on the upper surface of the placement plate 210, and the inclination angle of the placement plate 210 is adjusted as needed. The linkage rod 409 is manually pulled upwards, and the limiting lock block 411 is moved upwards until the limiting lock block 411 is disengaged from the driving gear 406. At this time, the driving gear 406 is free to rotate. The driving gear 406 is manually rotated, and the driving gear 406 rotates to drive the driven gear 403 to rotate, and the driven gear 403 rotates to drive the rotating screw 402 to rotate inside the mounting base 401.

[0061] With the rotation of the rotating screw 402, the rotating screw 402 drives the lifting top plate 407 to move upward along the mounting base 401. Since the upper surface of the lifting top plate 407 is in abutment with the bottom surface of the lifting baffle 218, the lifting of the lifting top plate 407 drives the lifting baffle 218 to tilt the placement plate 210. The placement plate 210 is connected to the rotating sleeve 201 through the universal joint 204, and this connection allows the angle of the placement plate 210 to be freely adjusted. After the angle of the placement plate 210 is adjusted, the driving gear 406 is stopped, and then the linkage rod 409 is loosened. The linkage rod 409 is reset under the action of the telescopic spring 410, so that the limiting lock block 411 connected to the bottom of the linkage rod 409 is reset to the initial position, and the locking teeth 412 provided on the limiting lock block 411 engage the driving gear 406 to limit the rotation of the driving gear 406.

[0062] After the position of the placement plate 210 is adjusted, the driving motor 102 is started, and the driving motor 102 drives the driving gear 103 to rotate. The driving gear 103 starts to rotate and drives the driven gear 202 to rotate. The driven gear 202 drives the rotating sleeve 201 to rotate. The top end of the rotating sleeve 201 is provided with a limiting slot 203, and the outer surface of the universal joint 204 is provided with a fixed limiting block 205 which is slidingly connected in the limiting slot 203. Therefore, the rotating sleeve 201 can drive the placement plate 210 to rotate together. The rotation speed of the placement plate 210 gradually increases with the driving motor 102. At this time, the rotation speed of the rotating ring 206 provided on the bottom surface of the placement plate 210 also increases, and the centrifugal force acting on the extension block 208 provided on the rotating ring 206 increases. The extension block 208 moves outward by offsetting the supporting force provided by the return spring 209. The movement of the extension block 208 drives the sliding drive rod 211 to slide on the bottom surface of the placement plate 210. The sliding drive rod 211 drives the transmission bracket 212 to slide, so that the end of the transmission bracket 212 away from the sliding drive rod 211 is separated from the clamping slot 216 provided on the rotating shaft 214. After the transmission bracket 212 is separated from the clamping slot 216, the rotating shaft 214 is driven by the torsion spring 215 to rotate. The rotating shaft 214 drives the rotating gear 217 to rotate, and the rotating gear 217 drives the lifting baffle 218 to move upward through the connecting rack 219, so that the top end of the lifting baffle 218 is higher than the upper surface of the placement plate 210. This avoids the soil placed on the placement plate 210 from being thrown out of the placement plate 210 due to the centrifugal force. After the placement plate 210 is released, the height of the lifting top plate 407 can be adjusted again to adjust the angle of the placement plate 210.

[0063] The displacement of the soil on the surface of the placing plate 210 is observed to calculate the adhesion of the soil, after the test is completed, the driving motor 102 is manually turned off, at this time, the placing plate 210 stops rotating, the centrifugal force acting on the extension block 208 disappears, the transmission bracket 212 and the clamping groove 216 are not matched in position, the extension block 208 cannot reset, the lifting baffle 218 is manually pressed downward to reset the lifting baffle 218 to the initial position, at this time, the rotating shaft 214 rotates reversely to reset, the transmission bracket 212 is also reset under the action of the reset spring 209, so that the transmission bracket 212 re-enters the clamping groove 216 and limits the rotation of the transmission gear 217.

[0064] The cleaning piece 310 for cleaning is attached to the bottom surface of the reciprocating slider 309, the rotating cross plate 306 is manually rotated to move the reciprocating slider 309 above the placing plate 210, the electric telescopic rod 308 is started, the electric telescopic rod 308 drives the reciprocating slider 309 to retract along the limiting movement groove 307, at the same time, the lifting rod 303 is manually pressed downward by the staff to make the cleaning piece 310 abut against the upper surface of the placing plate 210, the driving motor 102 is started again to make the placing plate 210 rotate, the cleaning piece 310 cleans the upper surface of the placing plate 210 under the action of the electric telescopic rod 308, after the cleaning is completed, the lifting rod 303 is released and resets under the action of the adjusting spring 305, the cleaning piece 310 is torn off and a new cleaning piece 310 is attached to the bottom surface of the reciprocating slider 309, the above is the overall working process of the present application, the above steps can be repeated next time, and the actual operation process is very simple and easy to operate.

[0065] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0066] While embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, combinations, and variations can be made by those skilled in the art without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

[0067] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical solution are not creative, and should belong to the protection scope of the present application.

Claims

1. A multi-directional soil adhesion force testing device, characterized in that: The device includes a main support assembly (1), an adaptive protection assembly (2), an adjustable cleaning mechanism (3), and a test angle adjustment structure (4). The adaptive protection assembly (2) is located on the main support assembly (1), the adjustable cleaning mechanism (3) is located on the main support assembly (1), and the test angle adjustment structure (4) is located on the main support assembly (1). Both the adjustable cleaning mechanism (3) and the test angle adjustment structure (4) are located on one side of the adaptive protection assembly (2). The adaptive protection assembly (2) includes an angle adjustment assembly, a protection assembly, and a driven gear (202). The main support assembly (1) includes a drive gear (103), which meshes with the driven gear (202). The adjustable cleaning mechanism (3) includes a fixed sleeve (301), which is rotatably connected to the main support assembly (1). A keyway (302) is provided on the fixed sleeve (301). A lifting rod (303) is slidably connected inside the keyway (302). A key (304) is fixedly connected to the outer surface of the lifting rod (303). The key (304) is slidably connected inside the keyway (302). An adjusting spring (305) is provided between the lifting rod (303) and the fixed sleeve (301). One end of the adjusting spring (305) is fixedly connected to the fixed sleeve (301), and the other end of the adjusting spring (305) is fixedly connected to the lifting rod (303). The adjustable cleaning mechanism (3) also includes a rotating horizontal plate (306), which is rotatably connected to the end of the lifting rod (303) away from the fixed sleeve (301). A limit moving groove (307) is provided on the rotating horizontal plate (306). An electric telescopic rod (308) is fixedly connected to the upper surface of the rotating horizontal plate (306). A reciprocating slider (309) is connected to the telescopic end of the electric telescopic rod (308), and the reciprocating slider (309) is slidably connected in the limit moving groove (307). A cleaning plate (310) is detachably connected to the bottom surface of the reciprocating slider (309). The test angle adjustment structure (4) includes a mounting base (401), which is fixedly connected to the main support assembly (1). A rotating screw (402) is rotatably connected inside the mounting base (401), and a driven gear (403) is fixedly connected to the rotating screw (402). A mounting groove (404) is provided on the mounting base (401), and a positioning shaft (405) is rotatably connected inside the mounting groove (404). A driving gear (406) is fixedly connected to the positioning shaft (405), and the driving gear (406) meshes with the driven gear (403). The test angle adjustment structure (4) also includes a lifting top plate (407), which is slidably connected to the mounting base (401) and threadedly connected to a rotating screw (402). A fixed bracket (408) is provided on the outer surface of the mounting base (401). A linkage rod (409) is slidably connected on the fixed bracket (408). A telescopic spring (410) is connected between the linkage rod (409) and the fixed bracket (408). One end of the telescopic spring (410) is fixedly connected to the linkage rod (409), and the other end of the telescopic spring (410) is fixedly connected to the fixed bracket (408). A limit lock block (411) is fixedly connected to the end of the linkage rod (409) away from the fixed bracket (408). A locking tooth (412) is fixedly connected to the side of the limit lock block (411) near the drive gear (406), and the locking tooth (412) meshes with the drive gear (406).

2. The multi-directional soil adhesion testing device according to claim 1, characterized in that: The angle adjustment assembly includes: a rotating sleeve (201) rotatably connected to the upper surface of the main support assembly (1); a limiting groove (203) formed at the top of the rotating sleeve (201); a universal joint (204) rotatably connected to the top of the rotating sleeve (201); and a fixed limiting block (205) evenly distributed on the outer surface of the universal joint (204), and the fixed limiting block (205) is slidably connected to the limiting groove (203), and the fixed limiting block (205) is fixedly connected to the universal joint (204).

3. The multi-directional soil adhesion force testing device according to claim 2, characterized in that: The angle adjustment assembly also includes a rotating ring (206), which is fixedly connected to the top of the universal joint (204); an extension groove (207), which is symmetrically opened on the rotating ring (206); an extension block (208), which is slidably connected in the extension groove (207); and a return spring (209), which is fixedly connected at one end to the extension block (208) and at the other end to the rotating ring (206), for driving the extension block (208) to return to its original position.

4. The multi-directional soil adhesion force testing device according to claim 3, characterized in that: The protective components include: a placement plate (210) fixedly connected to the upper surface of the rotating ring (206); a sliding drive rod (211) symmetrically arranged on the bottom surface of the placement plate (210) and slidably connected to the placement plate (210); a transmission bracket (212) fixedly connected to one end of the sliding drive rod (211); a vertical plate (213) fixedly connected to the bottom surface of the placement plate (210); and a rotating shaft (214) passing through and rotatably connected to the vertical plate (213).

5. The multi-directional soil adhesion force testing device according to claim 4, characterized in that: The protective assembly also includes a torsion spring (215), one end of which is fixedly connected to the upright plate (213) and the other end of which is fixedly connected to the rotating shaft (214); a slot (216) is provided at the end of the rotating shaft (214) away from the torsion spring (215); a rotating gear (217) is fixedly connected to the rotating shaft (214); a lifting baffle (218) is provided on the placement plate (210); and a connecting rack (219) is symmetrically arranged on the lifting baffle (218), and the connecting rack (219) is fixedly connected to the lifting baffle (218), and the connecting rack (219) meshes with the rotating gear (217).

6. The multi-directional soil adhesion force testing device according to claim 5, characterized in that: The end of the transmission bracket (212) away from the sliding drive rod (211) is slidably connected in the slot (216), and the extension block (208) is fixedly connected to the sliding drive rod (211).

7. The multi-directional soil adhesion testing device according to claim 6, characterized in that: The extension stroke of the electric telescopic rod (308) is adapted to the length of the limiting moving groove (307), so that the reciprocating slider (309) can slide back and forth in the limiting moving groove (307) throughout the entire process.

8. The multi-directional soil adhesion testing device according to claim 7, characterized in that: The lifting top plate (407) is located below the lifting baffle (218), and the upper surface of the lifting top plate (407) abuts against the bottom surface of the lifting baffle (218).

9. A multi-directional soil adhesion testing device according to claim 8, characterized in that: The ratio of the number of teeth of the driving gear (406) to the number of teeth of the driven gear (403) is 1:2, the pitch of the rotating screw (402) is 3mm, the elastic coefficient of the telescopic spring (410) is 5N / mm, and in the natural state, the locking tooth (412) meshes tightly with the driving gear (406).

10. A multi-directional soil adhesion testing device according to claim 9, characterized in that: The main support assembly (1) includes a fixed support base (101) and a drive motor (102). The drive motor (102) is embedded in the fixed support base (101), and the drive gear (103) is fixedly connected to the output end of the drive motor (102).

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