CN221612859U - Detect fine grained soil compactness device - Google Patents

Abstract

The utility model relates to a device for detecting compaction degree of fine soil, which comprises a vertical frame, a movable frame vertically and slidingly connected with the vertical frame, a linear driving assembly arranged on the vertical frame, a double-leaf drill rod with the middle end rotationally connected with the movable frame, a second driving piece arranged on the movable frame and with the output end in transmission connection with the upper end of the double-leaf drill rod, and a receiving disc assembly detachably connected with the bottom of the vertical frame, wherein the driving end of the linear driving assembly is in transmission connection with the movable frame, and the receiving disc assembly is provided with an avoidance hole for the lower end of the double-leaf drill rod to pass through. The utility model can improve the compactness detection efficiency and improve the problem that the detection data is greatly interfered by human.

Description

Detect fine grained soil compactness device

Technical Field

The utility model relates to the technical field of compaction degree detection equipment, in particular to a device for detecting compaction degree of fine soil.

Background

With the vigorous development of the expressway in China, the quality control of the engineering construction process is increasingly strict in China, and the compaction quality of the highway is an important key control factor for ensuring long-term stability and safe operation of the roadbed. Compaction quality is assessed by test data, which is accurate and reliable, and depends to a large extent on whether the test instrument and test method are advanced and reasonable.

The hole digging and sand filling method is the most commonly used and standard detection method in the existing traditional detection method, namely, a hole with known diameter depth is drilled in a construction site, filling soil in the hole is taken out, the drilled hole is filled with clean and uniform fine sand, preliminary weighing measurement is carried out on the taken out filling soil, dehumidification weighing measurement is carried out, and then the compactness is calculated according to the calculation principle of the compactness; however, the method has the advantages that the hole digging level of the detection personnel is uneven, the hole forming quality is different from person to person, the detection data can cause larger errors, meanwhile, the manual hole digging speed is extremely low, and the detection times per working shift are more according to the requirements of the current national industry standard, so that the test speed is slower.

Disclosure of utility model

The utility model provides a device for detecting compactness of fine soil, which can improve the compactness detection efficiency and improve the problem that detection data is greatly interfered by human.

The technical scheme for solving the technical problems is as follows:

the utility model provides a detect fine grain soil compaction degree device, includes grudging post, vertical sliding connection in the adjustable shelf of grudging post, install in straight line drive assembly on the grudging post, middle-end rotate connect in the biplate drilling rod of adjustable shelf, install in adjustable shelf and output transmission connect in the second driving piece of biplate drilling rod upper end and can dismantle connect in connect the receiving tray subassembly of grudging post bottom, straight line drive assembly's drive end transmission connect in the adjustable shelf, the receiving tray subassembly has seted up the confession the dodge hole that the biplate drilling rod lower extreme passed through.

The beneficial effects of the utility model are as follows: during the use, place the grudging post in ground for dodge the hole and aim at the ground and wait to bore the position, then drive the biplate drilling rod through the second driving piece and rotate, and simultaneously drive the movable frame through sharp drive assembly and move down, make pivoted biplate drilling rod carry out the action of boring in the in-process of moving down, with the unified pore-forming size deviation great that does not lead to because of the individual variation in pore-forming quality size of assurance, simultaneously, the soil that drills out is taken out and is directly collected in receiving the charging tray subassembly, need not additionally handle, thereby improve compactness detection efficiency on the whole, and improve the great problem of detection data receive the human interference.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the linear driving assembly comprises a screw rod, a first driving piece and a connecting piece, wherein the upper end of the screw rod is rotationally connected with the vertical frame, the first driving piece is installed on the vertical frame and is in transmission connection with the output end of the screw rod, the connecting piece is in threaded connection with the middle end of the screw rod, the lower end of the screw rod penetrates through the movable frame, and the connecting piece is simultaneously and fixedly connected with the movable frame.

The beneficial effects of adopting the further scheme are as follows: when the movable frame is driven to move through the linear driving assembly, the first driving piece is started to drive the screw rod to rotate, and the movable frame vertically moves under the connection and limiting effects of the connecting piece.

Further, the first driving piece comprises a driving disc coaxially fixed at the upper end of the screw rod, a hand wheel fixed on the driving disc and a lifting lock rod in threaded connection with the driving disc, and the lower end of the lifting lock rod is inserted into the vertical frame.

The beneficial effects of adopting the further scheme are as follows: when the screw rod is driven to rotate, a force is applied to the hand wheel, so that the driving disc drives the screw rod to rotate; when the screw rod does not need to be rotated, the driving disc can be limited to rotate in a mode that the lifting lock rod is inserted into the vertical frame, so that the double-leaf drill rod is prevented from falling to the ground and rubbing or misoperation during transportation or shutdown operation.

Further, the connecting piece comprises a lifting connecting plate and a connecting rod, wherein the lifting connecting plate is in threaded connection with the middle end of the screw rod, one end of the connecting rod is fixed on the lifting connecting plate, and the other end of the connecting rod is fixedly connected with the movable frame.

The beneficial effects of adopting the further scheme are as follows: when the screw rod rotates, the lifting connecting plate in threaded connection with the screw rod is limited by the connecting rod, and the movable frame is driven to synchronously vertically move.

Further, the screw rod sleeve is provided with at least one ripple dustproof sleeve, the inner side of the ripple dustproof sleeve and the screw rod (31) form an annular space, and one end of the ripple dustproof sleeve is fixed on the connecting piece.

The beneficial effects of adopting the further scheme are as follows: dust accumulation and abrasion of the screw rod are reduced through the corrugated dust cover.

Further, the stand is fixed with the guide arm seat, the vertical sliding connection of guide arm seat has the guide arm, just the guide arm seat still be fixed with simultaneously fixed connection in the elastic component of guide arm, the lower extreme of guide arm is fixed with the fixed plate, the fixed plate is fixed in the lower extreme of lead screw, and be fixed in simultaneously be located the other end of ripple dirt proof boot of connecting piece below.

The beneficial effects of adopting the further scheme are as follows: through the connection of fixed plate, when the lead screw reciprocates, the ripple dirt guard can take place to stretch out and draw back in step to guarantee the guard action to the lead screw.

Further, connect the charging tray subassembly including being the charging tray of upper shed structure, sliding connection in the slide of charging tray bottom and lid that connects the charging tray upper shed department is located to the lid, dodge the hole run through simultaneously set up in connect the charging tray with the apron, the slide is used for sealing connect the charging tray bottom dodge the hole.

The beneficial effects of adopting the further scheme are as follows: when drilling through the bi-leaf drilling rod, soil gets into and connects the charging tray to be collected, and the apron reduces the appearance of dust simultaneously to upwards remove at the bi-leaf drilling rod, accomplish the drilling action after, the accessible slide plate's mode realizes the closure of dodging the hole in butt joint charging tray bottom.

Further, a displacement sensor relative to the movable frame is arranged at the top of the vertical frame.

The beneficial effects of adopting the further scheme are as follows: the moving distance of the movable frame is measured through the displacement sensor, so that the drilling depth of the double-leaf drill rod is known, and the volume of drilling soil is known based on the diameter of the double-leaf drill rod.

Further, a plurality of evenly distributed balancing weights are detachably connected to the bottom of the vertical frame.

The beneficial effects of adopting the further scheme are as follows: in order to solve the stability problem of boring the in-process through the balancing weight in boring the in-process, guarantee the pore-forming effect.

Further, the multifunctional walking device also comprises a split type walking mechanism, and the stand is arranged on the split type walking mechanism.

The beneficial effects of adopting the further scheme are as follows: utilize split type running gear, make things convenient for equipment to fall to the back quick travel to test site or short distance test site change operation, and only need single operation, split type structure has guaranteed to creep into the during operation and has not influenced by split type running gear.

Drawings

FIG. 1 is an isometric view of the present utility model from a first perspective;

FIG. 2 is an isometric view of the present utility model from a second perspective;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a partial exploded view of the present utility model, primarily showing the tray assembly;

FIG. 5 is a transport state diagram of the present utility model;

fig. 6 is an isometric view of a split running gear of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a vertical frame; 11. a chassis; 12. a column; 13. an upper beam frame;

2. a movable frame; 21. lengthening the linear bearing sleeve; 22. a coaxial reinforcing sleeve;

3. a linear drive assembly; 31. a screw rod; 32. a first driving member; 321. a drive plate; 322. a hand wheel; 323. lifting lock rod; 33. a connecting piece; 331. lifting the connecting plate; 332. a connecting rod; 34. a corrugated dust cover; 341. a guide rod seat; 342. a guide rod; 343. an elastic member; 344. a fixing plate;

4. a double-leaf drill pipe; 41. a flat bottom center drill rod; 42. double helical blades;

5. A second driving member; 51. a driving motor; 52. a turbine speed reducer;

6. A receiving tray assembly; 61. a receiving tray; 611. avoidance holes; 62. a slide plate; 63. a cover plate;

7. A displacement sensor;

8. Balancing weight;

9. A split-type travelling mechanism; 91. a plate frame; 92. a shockproof rubber wheel; 93. arc support legs; 94. a short baffle; 95. an anti-skid adhesive tape.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

Referring to fig. 1 and 2, a device for detecting compaction degree of fine soil comprises a vertical frame 1, a movable frame 2 vertically slidably connected to the vertical frame 1, a linear driving assembly 3 installed on the vertical frame 1, a double-leaf drill rod 4 with a middle end rotatably connected to the movable frame 2, a second driving member 5 installed on the movable frame 2 and with an output end in transmission connection with the upper end of the double-leaf drill rod 4, and a receiving tray assembly 6 detachably connected to the bottom of the vertical frame 1, wherein the driving end of the linear driving assembly 3 is in transmission connection with the movable frame 2, and the receiving tray assembly 6 is provided with an avoidance hole 611 for the lower end of the double-leaf drill rod 4 to pass through.

The beneficial effects of this embodiment are: during the use, place the grudging post 1 in ground for dodge hole 611 aims at the ground and wait to bore the position, then drive the rotation of biplate drilling rod 4 through second driving piece 5, and simultaneously drive movable frame 2 through sharp drive assembly 3 and move downwards, make pivoted biplate drilling rod 4 carry out the action of boring in the in-process of moving downwards, in order to guarantee that pore-forming quality size unification does not lead to pore-forming size deviation great because of the individual difference, simultaneously, the soil of boring is taken out and is directly collected in receiving tray subassembly 6, need not additionally handle, thereby improve compactness detection efficiency on the whole, and improve the great problem of detection data receive the human interference.

As a specific scheme of the above embodiment, the stand 1 includes a base frame 11, at least three upright posts 12, and an upper beam frame 13; the underframe 11 is a rectangular frame structure formed by welding square steel; the upright posts 12 are vertically arranged, and the lower ends of the upright posts are fixed on the underframe 11; the upper beam frames 13 are simultaneously fixed to the upper ends of all the columns 12. Wherein, the at least three upright posts 12 can be three, four, five, six, etc., and are uniformly distributed on the underframe 11. The tray assembly 6 is detachably connected to the chassis 11.

Under the above embodiment, the movable frame 2 is simultaneously slidably connected to the plurality of columns 12.

Further, a plurality of elongated linear bearing sleeves 21 are fixed on the lower side of the movable frame 2 through bolts, the plurality of elongated linear bearing sleeves 21 are respectively sleeved on the plurality of upright posts 12, and the lower ends of the elongated linear bearing sleeves 21 are connected to the upright posts 12 through linear bearings, so that the stability of the movable frame 2 is improved through the elongated linear bearing sleeves 21.

Further, the coaxial reinforcing sleeve 22 is fixed on the lower side of the movable frame 2 through bolts, the coaxial reinforcing sleeve 22 is sleeved on the rod part of the double-leaf drill rod 4, and the lower end of the coaxial reinforcing sleeve is connected to the rod part of the double-leaf drill rod 4 through a linear bearing, so that the exposed length of the double-leaf drill rod 4 is shortened on the premise that lifting of soil particles is not affected, and the stability of drilling is optimized.

Specifically, the double-bladed drill rod 4 comprises a flat bottom center drill rod 41 and double helical blades 42; the upper end of the flat bottom center drill rod 41 is in transmission connection with the output end of the second driving piece 5, and the middle end is in rotary connection with the movable frame 2; a double helical blade 42 is fixed to the lower end of the flat bottom center drill rod 41. The diameter of the relief hole 611 is not smaller than the diameter of the double helical blade 42.

The lower end of the flat bottom center drill rod 41 can adopt a detachable flat bottom center positioning special drill bit, and the double-helical blade 42 can adopt a high-quality steel welding and grinding post-quenching process, so that the double-helical blade has higher strength and wear resistance.

As a parallel mode, the middle end of the flat bottom center drill rod 41 can also pass through the movable frame 2 through the hole formed on the movable frame 2 without interference.

As one of the embodiments, the second driving member 5 includes a driving motor 51 and a worm gear reducer 52 drivingly connected to the driving end of the driving motor 51, and an output end of the worm gear reducer 52 is drivingly connected to the upper end of the flat bottom center drill rod 41. The drive motor 51 and the turbine speed reducer 52 are both mounted on the movable frame 2.

As a second specific solution of the above embodiment, the second driving member 5 may also use a motor and a reduction gearbox, or other equivalent conventional driving mechanism.

Example 2

As shown in fig. 2 and 3, on the basis of embodiment 1, the linear driving assembly 3 includes a screw rod 31 with an upper end rotatably connected to the stand 1, a first driving member 32 mounted to the stand 1 and having an output end drivingly connected to the screw rod 31, and a connecting member 33 screw-connected to a middle end of the screw rod 31, wherein a lower end of the screw rod 31 passes through the movable frame 2, and the connecting member 33 is simultaneously fixedly connected to the movable frame 2.

The beneficial effect of adopting the preferred scheme in the above-mentioned embodiment is that, when moving through the drive of sharp drive assembly 3 drive movable frame 2, start first driving piece 32, drive lead screw 31 and rotate for movable frame 2 carries out vertical movement under the connection and the limiting displacement of connecting piece 33.

Specifically, the upper end of the screw rod 31 is rotatably connected to the upper beam 13 of the stand 1. And the first driving member 32 is mounted on the upper beam 13.

Example 3

As shown in fig. 2 and 3, in the embodiments 1 and 2, the first driving member 32 includes a driving plate 321 coaxially fixed to the upper end of the screw rod 31, a hand wheel 322 fixed to the driving plate 321, and a lifting lock bar 323 screwed to the driving plate 321, and the lower end of the lifting lock bar 323 is inserted into the stand 1.

The beneficial effect of adopting the preferred scheme in the embodiment is that when the screw rod 31 is driven to rotate, a force is applied to the hand wheel 322, so that the driving disc 321 drives the screw rod 31 to rotate; when the screw rod 31 does not need to be rotated, the driving disc 321 can be limited to rotate by inserting the lifting lock rod 323 into the vertical frame 1, so that the double-leaf drill rod 4 is prevented from falling to the ground and being rubbed or misoperation during transportation or shutdown operation.

The lower end of the lifting lock bar 323 is inserted into the driving plate 321 in a threaded manner, so that the lifting lock bar 323 can be prevented from falling out.

Specifically, a plurality of jacks are circumferentially formed on the upper side of the upper beam frame 13 of the vertical frame 1 by taking the screw rod 31 as a circle center, and the lower ends of the lifting lock rods 323 are inserted into different jacks to realize limiting.

As a parallel arrangement of the above embodiment, the first driving member 32 may also adopt a driving structure in which a motor is combined with a reduction gearbox.

Example 4

As shown in fig. 2 and 3, on the basis of embodiments 1 to 3, the connecting member 33 includes a lifting connecting plate 331 and a connecting rod 332, the lifting connecting plate 331 is screwed to the middle end of the screw rod 31, one end of the connecting rod 332 is fixed to the lifting connecting plate 331, and the other end is fixedly connected to the movable frame 2.

The beneficial effect of adopting the preferred scheme in the above embodiment is that when the screw rod 31 rotates, the lifting connection plate 331 in threaded connection with the screw rod 31 is limited by the connection rod 332, and drives the movable frame 2 to synchronously move vertically.

Specifically, the middle end of the lifting connection plate 331 is in threaded connection with the middle end of the screw rod 31, one end of the lifting connection plate 331 is in threaded connection with a bolt, the bolt is in threaded connection with the turbine speed reducer 52 of the second driving member 5, and one end of the connecting rod 332 is fixed to the other end of the lifting connection plate 331 so as to ensure the stress balance of the lifting connection plate 331.

The connecting rod 332 may be a screw rod, and two ends of the connecting rod are respectively connected to the lifting connecting plate 331 and the movable frame 2 in a threaded manner.

Example 5

As shown in fig. 2 and 3, on the basis of embodiments 1-4, the screw rod 31 is sleeved with at least one corrugated dust cover 34, the inner side of the corrugated dust cover 34 and the screw rod 31 form an annular space, and one end of the corrugated dust cover is fixed to the connecting piece 33.

The advantageous effect of adopting the preferred embodiment of the above embodiment is that dust accumulation and abrasion of the screw 31 are reduced by the corrugated dust cover 34.

Specifically, in one embodiment, the corrugated dust-proof cover 34 is disposed on the lower side of the lifting connection plate 331, and the upper end of the corrugated dust-proof cover 34 is fixed to the lifting connection plate 331.

In another aspect, two corrugated dust-proof sleeves 34 are provided and distributed on the upper and lower sides of the lifting connection plate 331, wherein the upper ends of the corrugated dust-proof sleeves 34 located on the lower side of the lifting connection plate 331 are fixed on the lifting connection plate 331, and the lower ends of the corrugated dust-proof sleeves 34 located on the upper side of the lifting connection plate 331 are fixed on the lifting connection plate 331.

Example 6

As shown in fig. 2 and 3, on the basis of embodiments 1 to 5, the stand 1 is fixed with a guide rod seat 341, the guide rod seat 341 is vertically slidably connected with a guide rod 342, and the guide rod seat 341 is also fixed with an elastic member 343 simultaneously fixedly connected with the guide rod 342, the lower end of the guide rod 342 is fixed with a fixing plate 344, and the fixing plate 344 is fixed to the lower end of the screw rod 31 and simultaneously fixed to the other end of the corrugated dust cover 34 located below the connecting member 33.

The beneficial effect of adopting the preferred scheme in the above embodiment is that, through the connection of the fixed plate 344, when the screw rod 31 moves up and down, the corrugated dust cover 34 can synchronously stretch and retract to ensure the protection effect on the screw rod 31.

Specifically, the guide rod seat 341 is fixed on the lower side of the upper beam frame 13 of the vertical frame 1 through a screw, and a mounting hole is formed in the guide rod seat 341 in a penetrating manner; the elastic member 343 adopts a spring, and the spring is vertically arranged, the upper end of the spring is fixed on the upper beam frame 13 of the vertical frame 1, and the lower end of the spring is fixedly connected with the upper end of the guide rod 342 through a connecting rod.

The fixing plate 344 is simultaneously fixed to the other end of the bellows dust cover 34 located below the elevation connection plate 331 of the connection member 33.

Example 7

As shown in fig. 2 and fig. 4, on the basis of embodiments 1-6, the tray assembly 6 includes a tray 61 having an upper opening structure, a sliding plate 62 slidably connected to the bottom of the tray 61, and a cover plate 63 covering the opening of the tray 61, where the avoiding hole 611 penetrates through the tray 61 and the cover plate 63, and the sliding plate 62 is used for closing the avoiding hole 611 at the bottom of the tray 61.

The beneficial effect of adopting the preferred scheme in the above-mentioned embodiment is that when drilling through the bi-leaf drill rod 4, soil gets into and connects charging tray 61 to be collected, and apron 63 reduces the appearance of dust simultaneously to upwards remove at bi-leaf drill rod 4, accomplish the mode of boring the action after, accessible slide 62 realizes the closure of dodging hole 611 to the charging tray 61 bottom.

Specifically, the receiving tray 61 is placed on the bottom frame 11 of the stand 1; a slot is formed at the bottom of the receiving tray 61, and the sliding plate 62 is adapted to and slidingly connected to the slot, so as to form a seal of the avoidance hole 611.

Further, the receiving tray 61, the sliding plate 62 and the cover plate 63 may be made of transparent materials, such as transparent acrylic materials, so as to facilitate observation of the state of the hole during drilling.

Further, when the receiving tray 61 is sufficiently much in soil sample, the cover plate 63 can prevent the soil sample from splashing when drilling and from scattering when moving the receiving tray 61.

Example 8

As shown in fig. 1 and 2, on the basis of embodiments 1 to 7, the top of the stand 1 is provided with a displacement sensor 7 with respect to the movable frame 2.

The beneficial effect of adopting the preferred scheme in the embodiment is that with the distance of movement that is measured movable frame 2 through displacement sensor 7, and then know the drilling depth of bi-leaf drilling rod 4 to based on the diameter of bi-leaf drilling rod 4, know the volume of boring soil.

Further, the displacement sensor 7 is in signal connection with a digital transmission instrument, and a standard verification function and a transmission protocol function are arranged in the instrument so as to upload the acquired drilling depth and volume data to a terminal (such as a mobile phone APP), so that data viewing and processing are facilitated.

Example 9

As shown in fig. 1 and 2, on the basis of embodiments 1-8, a plurality of evenly distributed balancing weights 8 are detachably connected to the bottom of the stand 1.

The beneficial effect of adopting the preferred scheme in the above-mentioned embodiment is to in the drilling process, solve the stability problem in the drilling process through balancing weight 8, guarantee the pore-forming effect.

Specifically, the plurality of balancing weights 8 may be two, three, four, five, etc., and are mounted on the bottom frame 11 of the stand 1 by means of bolts, etc., so that the stability of the whole device is ensured by using the balancing weights 8 during drilling operation. When the device needs to be moved, the balancing weight 8 can be taken away first, so that the device is light.

Example 10

Referring to fig. 5 and 6, on the basis of embodiments 1 to 9, a device for detecting compaction degree of fine soil further includes a split traveling mechanism 9, and the stand 1 is placed on the split traveling mechanism 9.

The beneficial effect of adopting the preferred scheme among the above-mentioned embodiment is, utilizes split running gear 9, makes things convenient for equipment to fall to the ground after quick travel to test site or short distance test site change operation, and only needs single operation, and split type structure has guaranteed not influenced by split running gear 9 when drilling into the work.

Specifically, the split traveling mechanism 9 includes a plate frame 91 welded by square steel, a shockproof rubber wheel 92 fixed at one end of the plate frame 91, an arc support leg 93 fixed at the other end of the plate frame 91, a short baffle 94 fixed at one end of the plate frame 91 and opposite to the shockproof rubber wheel 92, and an anti-slip rubber strip 95 fixed at the other end of the plate frame 91 and opposite to the arc support leg 93. The bottom frame 11 of the vertical frame 1 is placed on the plate frame 91, is blocked by the short baffle 94, and is prevented from sliding by the anti-slip adhesive tape 95.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The utility model provides a detect fine grain soil compaction degree device, its characterized in that, including grudging post (1), vertical sliding connection in movable frame (2) of grudging post (1), install in straight line drive assembly (3) on grudging post (1), the middle-end rotate connect in biplate drilling rod (4) of movable frame (2), install in movable frame (2) and output transmission connect in second driving piece (5) of biplate drilling rod (4) upper end and detachable connect in receiving tray subassembly (6) of grudging post (1) bottom, the drive end transmission of straight line drive assembly (3) connect in movable frame (2), receiving tray subassembly (6) have been seted up and have been supplied dodging hole (611) that biplate drilling rod (4) lower extreme passed through.

2. The device for detecting the compaction degree of fine soil according to claim 1, wherein the linear driving assembly (3) comprises a screw rod (31) with an upper end rotatably connected to the vertical frame (1), a first driving member (32) installed on the vertical frame (1) and with an output end in transmission connection with the screw rod (31), and a connecting member (33) in threaded connection with the middle end of the screw rod (31), the lower end of the screw rod (31) penetrates through the movable frame (2), and the connecting member (33) is fixedly connected with the movable frame (2) at the same time.

3. The device for detecting the compaction degree of fine soil according to claim 2, wherein the first driving member (32) comprises a driving plate (321) coaxially fixed to the upper end of the screw rod (31), a hand wheel (322) fixed to the driving plate (321), and a lifting lock rod (323) screwed to the driving plate (321), and the lower end of the lifting lock rod (323) is inserted into the stand (1).

4. The device for detecting the compaction degree of fine soil according to claim 2, wherein the connecting piece (33) comprises a lifting connecting plate (331) and a connecting rod (332), the lifting connecting plate (331) is in threaded connection with the middle end of the screw rod (31), one end of the connecting rod (332) is fixed on the lifting connecting plate (331), and the other end of the connecting rod is fixedly connected with the movable frame (2).

5. The device for detecting the compaction degree of fine soil according to claim 2, wherein the screw rod (31) is sleeved with at least one corrugated dust cover (34), the inner side of the corrugated dust cover (34) and the screw rod (31) form an annulus, and one end of the corrugated dust cover is fixed on the connecting piece (33).

6. The device for detecting the compaction degree of fine soil according to claim 5, wherein the vertical frame (1) is fixedly provided with a guide rod seat (341), the guide rod seat (341) is vertically and slidably connected with a guide rod (342), the guide rod seat (341) is also fixedly provided with an elastic member (343) which is fixedly connected with the guide rod (342) at the same time, the lower end of the guide rod (342) is fixedly provided with a fixing plate (344), and the fixing plate (344) is fixedly arranged at the lower end of the screw rod (31) and is simultaneously fixedly arranged at the other end of the corrugated dust-proof sleeve (34) below the connecting member (33).

7. The device for detecting the compaction degree of fine soil according to claim 1, wherein the receiving tray assembly (6) comprises a receiving tray (61) with an upper opening structure, a sliding plate (62) connected to the bottom of the receiving tray (61) in a sliding manner, and a cover plate (63) covering the upper opening of the receiving tray (61), the avoidance hole (611) is simultaneously penetrated and opened in the receiving tray (61) and the cover plate (63), and the sliding plate (62) is used for sealing the avoidance hole (611) at the bottom of the receiving tray (61).

8. Device for detecting the compaction degree of fine earth according to any one of claims 1 to 7, characterized in that the top of the stand (1) is provided with a displacement sensor (7) with respect to the mobile frame (2).

9. Device for detecting the compaction degree of fine soil according to any one of claims 1 to 7, characterized in that a plurality of evenly distributed balancing weights (8) are detachably connected to the bottom of the stand (1).

10. A device for detecting the compaction degree of fine soil according to any one of claims 1 to 7, further comprising a split travelling mechanism (9), wherein the stand (1) is placed on the split travelling mechanism (9).