Roadbed uniformity compaction test device

Abstract

The embodiment of the present application provides a roadbed uniformity compaction test device, which relates to the technical field of roadbed compaction test. The roadbed uniformity compaction test device includes a base plate, a test cylinder, an L-shaped mounting plate, a calibration compaction assembly and a lifting drilling assembly, wherein the calibration compaction assembly includes a collecting ring, a mounting sleeve is provided in the middle of the test cylinder, and the collecting ring is provided with a plurality of evenly distributed upper conveying holes. The present invention drives the test cylinder and the drill bit to rotate around the bearing by rotating the handle. When the drill bit moves to the top of the test hole of the base plate, the lifting drilling assembly is started to drive the drill bit to drill the foundation through the test hole, and then the road drilling waste can be taken out to expose the foundation part with the clamping block, and then the test sand and gravel are introduced into the test cylinder, and then the sand and gravel can be conveyed to the foundation part through the calibration compaction assembly for compaction test detection, and the lower end of the test cylinder can also be aligned with the test hole to improve the compaction accuracy.

Description

Technical Field

[0001] The present application relates to the technical field of roadbed compaction testing, and in particular to a roadbed uniformity compaction testing device. Background Art

[0002] The roadbed is the foundation of the track or road surface, and is a geotechnical structure formed by excavation or filling. The main function of the roadbed is to provide the necessary conditions for track or road surface laying and train or vehicle operation, and to bear the static and dynamic loads of the track and locomotive vehicles or road surface and traffic loads, while transferring and diffusing the loads deep into the foundation.

[0003] The problem with the existing technical solution is that the existing compaction test of the roadbed requires drilling the road surface in advance. After drilling, when aligning the test cylinder and the hole, most of the calibration and compaction tests are performed manually. This causes the sand and gravel in the test cylinder to be unable to accurately fall into the hole for compaction test, thereby reducing the accuracy of the roadbed compaction test. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a roadbed uniformity compaction test device, which drives the test cylinder and the drill bit to rotate around the bearing by rotating the handle. When the drill bit moves to the top of the test hole of the base plate, the lifting and lowering drilling assembly can be started to drive the drill bit to drill the foundation through the test hole, and then the road drilling waste can be taken out with the clamping block to expose the foundation part, and then the test sand and gravel can be introduced into the test cylinder, and then the sand and gravel can be transported to the foundation part through the calibration compaction assembly for compaction test detection, and the lower end of the test cylinder can also be aligned with the test hole to improve the compaction accuracy.

[0005] The present application also proposes a roadbed uniformity compaction test device, including a base plate, a test cylinder, an L-shaped mounting plate, a calibration compaction assembly and a lifting and drilling assembly, the calibration compaction assembly including a collecting ring, a mounting sleeve is provided in the middle of the test cylinder, the collecting ring is fixedly connected to the upper part of the inner wall of the mounting sleeve, the collecting ring is provided with a plurality of evenly distributed upper conveying holes, a No. 1 motor is fixedly connected to the lower surface of the collecting ring, the output shaft of the No. 1 motor is fixedly connected to a rotating shaft, the lower end of the rotating shaft extends to the lower end of the test cylinder, the lower end of the rotating shaft is fixedly connected to a connecting bracket, and the connecting bracket is fixedly connected to the inner wall of the test cylinder; the lifting and drilling assembly includes a No. 2 motor, the No. 2 motor is fixedly connected to the upper end of the L-shaped mounting plate, the output shaft of the No. 2 motor is fixedly connected to a screw, the screw is connected to the lifting sleeve through a threaded engagement on the surface, the lower surface of the lifting sleeve is fixedly connected to a plurality of evenly distributed connecting sheet metals, and each of the connecting sheet metals is fixedly connected to a slip ring at the lower end.

[0006] In some embodiments of the present application, a test hole is provided in the middle of the upper surface of the substrate, and a mounting plate is fixedly connected to one side of the substrate.

[0007] In some embodiments of the present application, a bearing is fixedly connected to an upper surface of one side of the mounting plate, and a support seat is fixedly connected to an upper surface of the bearing.

[0008] In some embodiments of the present application, a mounting seat is fixedly connected to the upper surface of the support seat, and a central axis is fixedly connected to the upper surface of the mounting seat.

[0009] In some embodiments of the present application, a rotating handle is fixedly connected to the upper end of the central axis, a mounting bracket is fixedly connected to the middle of the central axis, and an L-shaped mounting plate is fixedly connected to one side of the mounting bracket.

[0010] In some embodiments of the present application, the lower end of the L-shaped mounting plate is fixedly connected to one side of the upper surface of the mounting seat, and a lifting and drilling assembly is installed on the upper end of the L-shaped mounting plate, and a drill bit is installed on the L-shaped mounting plate through the lifting and drilling assembly.

[0011] In some embodiments of the present application, a connecting rod is fixedly connected to the other side of the mounting seat, and a ring is fixedly connected to the other end of the connecting rod.

[0012] In some embodiments of the present application, a test cylinder is fixedly connected inside the collar, and the upper and lower ends of the test cylinder are provided with openings.

[0013] In some embodiments of the present application, a mounting sleeve is fixedly connected to the middle portion of the test cylinder, and a calibration compaction assembly is installed in the mounting sleeve.

[0014] In some embodiments of the present application, a conveying ring is fixedly provided on the upper end of the rotating shaft, and a plurality of evenly distributed lower conveying holes are arranged on the conveying ring, and the conveying ring is located below the collecting ring, and a driving gear is fixedly provided on the lower end of the conveying ring, and tooth plates are connected with tooth plates on both sides through gear meshing, and the tooth plates on both sides are fixedly connected with a No. 1 connecting plate, and the No. 1 connecting plates on both sides are movably installed on both sides of the test cylinder, and the lower ends of the No. 1 connecting plates on both sides are fixedly connected with side clamping plates, and the upper surfaces of the No. 1 connecting plates on both sides are fixedly connected with limiting blocks, and a No. 2 connecting plate is arranged above the No. 1 connecting plate, and the No. 2 connecting plate is fixedly connected to the inner wall of the test cylinder, and the rotating shaft is rotatably installed in the middle part of the No. 2 connecting plate, and limiting grooves are arranged on both sides of the No. 2 connecting plate, and the limiting blocks are installed in the limiting grooves.

[0015] In some embodiments of the present application, a drill bit is movably installed in the slip ring, limit rods are movably installed on both sides of the lifting sleeve, the limit rods are fixedly connected to the lower surface of the L-shaped mounting plate, the lower end of the screw rod is provided with a slide groove, a central gear is movably installed in the slide groove, the outer side of the central gear is connected with three evenly distributed transmission gears through card teeth meshing, each of the upper and lower surfaces of the transmission gear is fixedly connected with a fixing plate, the outer side of each of the transmission gears is connected with a gear ring through card teeth meshing, the gear ring is fixedly connected to the inner wall of the drill bit, the lower end of the screw rod is fixedly connected with a fixing block, and a plurality of evenly distributed mounting grooves are provided at the edge of the lower surface of the fixing block, an extension rod is rotatably installed in the mounting groove, each of the extension rods is provided with a clamping block, a support rod is rotatably installed in the middle of each of the extension rods, and a connecting seat is rotatably installed at the other end of the support rod, and each connecting seat is fixedly connected to the inner wall of the drill bit.

[0016] The beneficial effects of the present application are as follows: the present invention drives the test cylinder and the drill bit to rotate around the bearing by rotating the handle; when the drill bit moves to above the test hole of the base plate, starting the lifting drilling assembly can drive the drill bit to penetrate into the test hole to drill the foundation; and then the road drilling waste can be taken out in conjunction with the clamping block to expose the foundation part; then the test sand and gravel are introduced into the test cylinder; and then the sand and gravel can be transported to the foundation part through the calibrated compaction assembly for compaction test detection; and the lower end of the test cylinder can also be aligned with the test hole to improve the compaction accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic three-dimensional diagram of the overall structure of one side according to an embodiment of the present application;

[0019] Figure 2 is a schematic three-dimensional diagram of the overall structure of the other side according to an embodiment of the present application;

[0020] Figure 3 is a schematic three-dimensional diagram of the overall structure of a calibration compaction assembly according to an embodiment of the present application;

[0021] Figure 4 is a schematic three-dimensional diagram of the overall structure of a lifting and drilling assembly according to an embodiment of the present application;

[0022] Figure 5 is a schematic three-dimensional diagram of the cross-sectional structure of a calibration compaction assembly according to an embodiment of the present application;

[0023] Figure 6 is a schematic three-dimensional diagram of the local structure of a calibration and compaction assembly according to an embodiment of the present application;

[0024] Figure 7 is a schematic three-dimensional diagram of the cross-sectional structure of a lifting and drilling assembly according to an embodiment of the present application;

[0025] Figure 8 is a schematic three-dimensional diagram of the local structure of the lifting and drilling assembly according to an embodiment of the present application;

[0026] Fig. 9 is a schematic three-dimensional diagram of another partial structure of the lifting and drilling assembly according to an embodiment of the present application;

[0027] Fig.10 It is a schematic three-dimensional diagram of the detailed structure of the fixing block according to an embodiment of the present application.

[0028] Icons: 1. Base plate; 2. Mounting plate; 3. Bearing; 4. Calibration compaction assembly; 5. Test hole; 6. Support seat; 7. Mounting seat; 8. Center axis; 9. Rotating handle; 10. Mounting bracket; 11. L-shaped mounting plate; 12. Lifting drilling assembly; 13. Drill bit; 14. Connecting rod; 15. Ring; 16. Test cylinder; 17. Mounting sleeve; 801. Collecting ring; 802. Upper conveying hole; 803. Side clamp; 804. No. 1 connecting plate; 805. Conveying ring; 806. Lower conveying hole; 807. No. 1 motor; 808. Rotating shaft ;809, driving gear;810, tooth plate;811, connecting bracket;812, limiting block;813, limiting slot;814, No. 2 connecting plate;201, No. 2 motor;202, screw rod;203, lifting sleeve;204, connecting sheet metal;205, slip ring;206, limiting rod;207, slide slot;208, center gear;209, transmission gear;210, fixing plate;211, gear ring;212, connecting seat;213, support rod;214, fixing block;215, mounting slot;216, extension rod;217, clamping block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0030] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] The following describes a roadbed uniformity compaction test device according to an embodiment of the first aspect of the present application with reference to the accompanying drawings.

[0038] like Figure 1-Figure 10 As shown, the roadbed uniformity compaction test device includes a base plate 1, a test cylinder 16, an L-shaped mounting plate 11, a calibration compaction assembly 4 and a lifting drilling assembly 12, wherein the calibration compaction assembly 4 includes a collecting ring 801, a mounting sleeve 17 is provided in the middle of the test cylinder 16, the collecting ring 801 is fixedly connected to the upper inner wall of the mounting sleeve 17, the collecting ring 801 is provided with a plurality of evenly distributed upper conveying holes 802, the lower surface of the collecting ring 801 is fixedly connected to a No. 1 motor 807, the output shaft of the No. 1 motor 807 is fixedly connected to a rotating shaft 808, and the lower end of the rotating shaft 808 extends to the test cylinder 16. At the lower end of the test cylinder 16, the lower end of the rotating shaft 808 is fixedly connected to a connecting bracket 811, and the connecting bracket 811 is fixedly connected to the inner wall of the test cylinder 16; the lifting and drilling assembly 12 includes a No. 2 motor 201, and the No. 2 motor 201 is fixedly connected to the upper end of the L-shaped mounting plate 11, and the output shaft of the No. 2 motor 201 is fixedly connected to a screw rod 202, and the screw rod 202 is connected to a lifting sleeve 203 through a threaded engagement on the surface, and the lower surface of the lifting sleeve 203 is fixedly connected to a plurality of evenly distributed connecting sheet metals 204, and each of the connecting sheet metals 204 is fixedly connected to a slip ring 205 at the lower end.

[0039] According to some embodiments of the present application, Figure 1-Figure 4As shown, a test hole 5 is provided in the middle of the upper surface of the substrate 1, a mounting plate 2 is fixedly connected to one side of the substrate 1, a bearing 3 is fixedly connected to the upper surface of one side of the mounting plate 2, a support seat 6 is fixedly connected to the upper surface of the bearing 3, a mounting seat 7 is fixedly connected to the upper surface of the support seat 6, a central axis 8 is fixedly connected to the upper surface of the mounting seat 7, a rotating handle 9 is fixedly connected to the upper end of the central axis 8, a mounting bracket 10 is fixedly connected to the middle of the central axis 8, an L-shaped mounting plate 11 is fixedly connected to one side of the mounting bracket 10, a lower end of the L-shaped mounting plate 11 is fixedly connected to one side of the upper surface of the mounting seat 7, a lifting drilling assembly 12 is installed on the upper end of the L-shaped mounting plate 11, a drill bit 13 is installed on the L-shaped mounting plate 11 through the lifting drilling assembly 12, a connecting rod 14 is fixedly connected to the other side of the mounting seat 7, and the other end of the connecting rod 14 is fixedly connected A ring 15 is provided, in which a test cylinder 16 is fixedly connected. The upper and lower ends of the test cylinder 16 are provided with openings. A mounting sleeve 17 is fixedly connected to the middle of the test cylinder 16. A calibration compaction assembly 4 is installed in the mounting sleeve 17. When the compaction test of the roadbed is carried out, the device is placed on the roadbed surface. Then, the rotating handle 9 is held by hand to drive the test cylinder 16 and the drill bit 13 to rotate around the bearing 3. When the drill bit 13 moves to above the test hole 5 of the base plate 1, the lifting drilling assembly 12 is started to drive the drill bit 13 to penetrate into the test hole 5 to drill the foundation. Then, the waste material from the road surface drilling can be taken out with the clamping block 217 to expose the foundation part. Then, the test sand and gravel are introduced into the test cylinder 16. Then, the sand and gravel can be transported to the foundation part through the calibration compaction assembly 4 for compaction test detection. In addition, the lower end of the test cylinder 16 can be aligned with the test hole 5 to improve the compaction accuracy.

[0040] According to some embodiments of the present application, Figure 5-Figure 6As shown, a conveying ring 805 is fixedly sleeved on the upper end of the rotating shaft 808, and a plurality of evenly distributed lower conveying holes 806 are arranged on the conveying ring 805. The conveying ring 805 is located below the collecting ring 801, and a driving gear 809 is fixedly sleeved on the lower end of the conveying ring 805. Tooth plates 810 are connected to the driving gear 809 on both sides through gear meshing. The tooth plates 810 on both sides are fixedly connected to a No. 1 connecting plate 804, and the No. 1 connecting plates 804 on both sides are movably installed on both sides of the test cylinder 16. The lower ends of the No. 1 connecting plates 804 on both sides are fixedly connected to side clamping plates 803, and the upper surfaces of the No. 1 connecting plates 804 on both sides are fixedly connected to limited blocks 812, and a No. 2 connecting plate 814 is arranged above the No. 1 connecting plate 804, and the No. 2 connecting plate 814 is fixed Connected to the inner wall of the test cylinder 16, the rotating shaft 808 is rotatably installed in the middle of the No. 2 connecting plate 814, and limiting grooves 813 are arranged on both sides of the No. 2 connecting plate 814. The limiting blocks 812 are installed in the limiting grooves 813. The rotating shaft 808 is driven to rotate by the No. 1 motor 807, and the conveying ring 805 is driven to rotate around the rotating shaft 808 through the rotating shaft 808. When the upper conveying hole 802 and the lower conveying hole 806 of the conveying ring 805 and the collecting ring 801 coincide, the sand and gravel in the test cylinder 16 can be transported, and then the No. 1 connecting plates 804 on both sides are driven to move along the limiting grooves 813 through the driving gear 809 at the lower end of the rotating shaft 808, and the test hole 5 can be clamped by the side clamping plate 803 at the lower end of the No. 1 connecting plate 804, so as to achieve the accuracy of the compaction test.

[0041] According to some embodiments of the present application, Figure 7-Figure 10As shown, a drill bit 13 is movably installed in the slip ring 205, and limit rods 206 are movably installed on both sides of the lifting sleeve 203. The limit rods 206 are fixedly connected to the lower surface of the L-shaped mounting plate 11. A slide groove 207 is provided at the lower end of the screw rod 202. A central gear 208 is movably installed in the slide groove 207. The outer side of the central gear 208 is connected to three evenly distributed transmission gears 209 through gear meshing. The upper surface and the lower surface of each transmission gear 209 are fixedly connected. A fixing plate 210 is connected, and each transmission gear 209 is connected to a gear ring 211 on the outside through a tooth meshing engagement, and the gear ring 211 is fixedly connected to the inner wall of the drill bit 13, and a fixing block 214 is fixedly connected to the lower end of the screw rod 202, and a plurality of evenly distributed mounting grooves 215 are arranged at the edge of the lower surface of the fixing block 214, and an extension rod 216 is rotatably installed in the mounting groove 215, and a clamping block 217 is arranged at the lower end of each extension rod 216, and each extension rod 216 is provided with a clamping block 217. 6 is rotatably mounted with a support rod 213 at the middle part, and a connecting seat 212 is rotatably mounted at the other end of the support rod 213. Each connecting seat 212 is fixedly connected to the inner wall of the drill bit 13. The screw rod 202 is driven to rotate by the second motor 201. The screw rod 202 is connected to the lifting sleeve 203 through threaded engagement, and the lifting sleeve 203 can be driven to rise and fall along the screw rod 202 and the limit rod 206. Since the lifting sleeve 203 is connected to the slip ring 205 through the connecting sheet metal 204, and the slip ring 20 5, and the lower end of the screw rod 202 is equipped with a central gear 208 through a slide groove 207. The outer side of the central gear 208 cooperates with the gear ring 211 on the inner wall of the drill bit 13 through the transmission gear 209, so that the drill bit 13 can be driven to move up and down and can also be driven to rotate to drill holes in the road surface. When the drill bit 13 is raised and lowered, the support rod 213 and the extension rod 216, and the clamping block 217 at the lower end of the extension rod 216 can be used to take the drilling waste.

[0042] The working principle of this embodiment is:

[0043] First, hold the rotating handle 9 to drive the test cylinder 16 and the drill bit 13 to rotate around the bearing 3. When the drill bit 13 moves to the top of the test hole 5 of the substrate 1, the rotating shaft 808 is driven to rotate by the No. 1 motor 807, and the conveying ring 805 is driven to rotate around the rotating shaft 808 by the rotating shaft 808. When the upper conveying hole 802 and the lower conveying hole 806 of the conveying ring 805 and the collecting ring 801 coincide, the sand and gravel in the test cylinder 16 can be transported, and then the driving gear 809 at the lower end of the rotating shaft 808 drives the No. 1 connecting plates 804 on both sides to move along the limiting groove 813, and the test hole 5 can be clamped by the side clamping plate 803 at the lower end of the No. 1 connecting plate 804 to achieve the accuracy of the compaction test. The screw rod 2 is driven by the No. 2 motor 201 02 rotates, the screw rod 202 is connected to the lifting sleeve 203 through threaded engagement, which can drive the lifting sleeve 203 to rise and fall along the screw rod 202 and the limit rod 206. Since the lifting sleeve 203 is connected to the slip ring 205 through the connecting sheet metal 204, and the drill bit 13 is installed in the slip ring 205, and the lower end of the screw rod 202 is installed with a central gear 208 through the slide groove 207, the outer side of the central gear 208 cooperates with the transmission gear 209 and the gear ring 211 on the inner wall of the drill bit 13, which can drive the drill bit 13 to rise and fall, and can also drive the drill bit 13 to rotate to drill holes in the road surface. When the drill bit 13 is lifted or lowered, the support rod 213 and the extension rod 216, and the clamping block 217 at the lower end of the extension rod 216 can be used to take the drilling waste.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0046] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A roadbed uniformity compaction test device, comprising a base plate (1), a test cylinder (16), an L-shaped mounting plate (11), a calibration compaction assembly (4) and a lifting drilling assembly (12), characterized in that: The calibration compaction assembly (4) comprises a collecting ring (801), a mounting sleeve (17) is arranged in the middle of the test cylinder (16), the collecting ring (801) is fixedly connected to the upper inner wall of the mounting sleeve (17), the collecting ring (801) is provided with a plurality of evenly distributed upper conveying holes (802), a No. 1 motor (807) is fixedly connected to the lower surface of the collecting ring (801), the output shaft of the No. 1 motor (807) is fixedly connected to a rotating shaft (808), the lower end of the rotating shaft (808) extends to the lower end of the test cylinder (16), the lower end of the rotating shaft (808) is fixedly connected to a connecting bracket (811), and the connecting bracket (811) is fixedly connected to the inner wall of the test cylinder (16); The lifting and drilling assembly (12) comprises a No. 2 motor (201), the No. 2 motor (201) being fixedly connected to the upper end of the L-shaped mounting plate (11), the output shaft of the No. 2 motor (201) being fixedly connected to a lead screw (202), the lead screw (202) being connected to a lifting sleeve (203) through surface thread engagement, the lower surface of the lifting sleeve (203) being fixedly connected to a plurality of evenly distributed connecting sheet metals (204), the lower end of each connecting sheet metal (204) being fixedly connected to a slip ring (205); A mounting plate (2) is fixedly connected to one side of the base plate (1); a bearing (3) is fixedly connected to the upper surface of one side of the mounting plate (2); a support seat (6) is fixedly connected to the upper surface of the bearing (3); a mounting seat (7) is fixedly connected to the upper surface of the support seat (6); a center axis (8) is fixedly connected to the upper surface of the mounting seat (7); a mounting bracket (10) is fixedly connected to the middle of the center axis (8); an L-shaped mounting plate (11) is fixedly connected to one side of the mounting bracket (10); and a lower end of the L-shaped mounting plate (11) is fixedly connected to the mounting seat. (7) On one side of the upper surface, a lifting drilling assembly (12) is installed at the upper end of the L-shaped mounting plate (11), a drill bit (13) is installed on the L-shaped mounting plate (11) through the lifting drilling assembly (12), a connecting rod (14) is fixedly connected to the other side of the mounting seat (7), a sleeve (15) is fixedly connected to the other end of the connecting rod (14), a test cylinder (16) is fixedly connected inside the sleeve (15), a mounting sleeve (17) is fixedly connected to the middle of the test cylinder (16), and a calibration compaction assembly (4) is installed inside the mounting sleeve (17); A conveying ring (805) is fixedly sleeved on the upper end of the rotating shaft (808), and a plurality of evenly distributed lower conveying holes (806) are provided on the conveying ring (805). The conveying ring (805) is located below the collecting ring (801). A driving gear (809) is fixedly sleeved on the lower end of the conveying ring (805). Tooth plates (810) are connected to the driving gear (809) on both sides through tooth meshing. The tooth plates (810) on both sides are fixedly connected to a No. 1 connecting plate (804). The No. 1 connecting plates (804) on both sides are movably mounted on both sides of the test cylinder (16). The No. 1 connecting plates (804) on both sides are The lower end is fixedly connected with a side clamping plate (803), the upper surface of the No. 1 connecting plate (804) on both sides is fixedly connected with a limiting block (812), a No. 2 connecting plate (814) is arranged above the No. 1 connecting plate (804), the No. 2 connecting plate (814) is fixedly connected to the inner wall of the test tube (16), the rotating shaft (808) is rotatably installed in the middle of the No. 2 connecting plate (814), limiting grooves (813) are arranged on both sides of the No. 2 connecting plate (814), the limiting block (812) is installed in the limiting groove (813), a drill bit (13) is movably installed in the slip ring (205), and the lifting sleeve (205) is fixedly connected to the inner wall of the test tube (16). 03) Limit rods (206) are movably installed on both sides, and the limit rods (206) are fixedly connected to the lower surface of the L-shaped mounting plate (11). A slide groove (207) is provided at the lower end of the screw rod (202). A central gear (208) is movably installed in the slide groove (207). The outer side of the central gear (208) is connected to three evenly distributed transmission gears (209) through a snap-tooth meshing connection. The upper and lower surfaces of each transmission gear (209) are fixedly connected to a fixing plate (210). The outer side of each transmission gear (209) is connected to a gear ring (211) through a snap-tooth meshing connection. The gear ring (21 1) fixedly connected to the inner wall of the drill bit (13), the lower end of the screw rod (202) is fixedly connected to a fixing block (214), a plurality of evenly distributed mounting grooves (215) are provided at the edge of the lower surface of the fixing block (214), an extension rod (216) is rotatably mounted in the mounting groove (215), a clamping block (217) is provided at the lower end of each extension rod (216), a support rod (213) is rotatably mounted in the middle of each extension rod (216), a connecting seat (212) is rotatably mounted at the other end of the support rod (213), and each connecting seat (212) is fixedly connected to the inner wall of the drill bit (13).

2. The roadbed uniformity compaction test device according to claim 1, characterized in that: A test hole (5) is provided in the middle of the upper surface of the substrate (1).

3. The roadbed uniformity compaction test device according to claim 2, characterized in that: A rotating handle (9) is fixedly connected to the upper end of the central shaft (8).

4. The roadbed uniformity compaction test device according to claim 3, characterized in that: The upper and lower ends of the test cylinder (16) are provided with openings.

Images