A method for detecting the stratification degree of building sand

Abstract

The invention discloses a sand stratification detection process for construction, comprising the following steps: S1, barrel splicing: making the positioning ring on the upper stratification barrel correspond to the position of the lower stratification barrel, and splicing the upper stratification barrel and the lower stratification barrel together through a clamping assembly; S2, initial measurement: measuring the construction mortar with a consistency meter to obtain the initial consistency value, and pouring the construction mortar into the spliced ​​stratification barrel after the initial measurement; S3, secondary measurement: leaving the mortar to stand for half an hour, remixing the mortar in the lower stratification barrel, and measuring the construction mortar with a consistency meter to obtain the secondary consistency value; S4, experimental calculation: calculating two groups of measurement data, and the difference between the initial consistency value and the secondary consistency value is the mortar stratification degree; the invention provides a disassembly structure, so that the stratification barrel can be conveniently spliced ​​and disassembled, and can also prevent the leakage and segregation of the mortar, improve the density and uniformity of the mortar, and thus avoid the cleaning workload caused by the mortar leakage.

Description

Technical Field

[0001] The invention relates to the technical field of mortar detection, in particular to a stratification detection process for building sand. Background Art

[0002] Building mortar is a material widely used in construction projects. Its performance directly affects the quality and durability of masonry, plastering, pasting and other projects. The water retention of mortar refers to the ability of mortar to retain moisture during transportation, static and construction. It reflects the stability and uniformity of the internal components of mortar. Poor water retention of mortar will lead to mortar segregation, water seepage, cracking and other phenomena, reduce the strength and adhesion of mortar, and affect the quality and safety of the project.

[0003] The existing Chinese patent with patent number CN115436610B discloses a building mortar stratification detection system and detection process, which includes an upper dividing cylinder, and a first gasket is fixedly connected to the outer surface of the upper dividing cylinder. A contraction component with a simple structure is arranged under the moving component. When the contraction component is forced to move downward, the rotation of the second gear drives the rotating screw, and the rotation of the rotating screw drives the first rotating support arm and the second rotating support arm on both sides to rotate, thereby fixing the fixed sleeve at the junction of the upper and lower dividing layers, which is convenient for detecting the mortar on the upper layer, and can also prevent the mortar from leaking and causing waste.

[0004] The water retention of mortar is usually determined by a stratification test. The stratification test is to put the mixed mortar into a specified container, let it stand for a certain period of time, remove a certain thickness of mortar from the top, re-mix the remaining part, and measure its consistency again. The difference between the two consistency values ​​is the stratification degree. However, when measuring the consistency for the second time, only about one-third of the mortar in the lower part of the container needs to be measured. However, the upper and lower layers of the container are usually connected by bolts, and the splitting process is more laborious. In addition, the upper layer of mortar is prone to leaking during the splitting process, which increases the workload of cleaning the mortar. Therefore, there is room for improvement. Summary of the invention

[0005] The purpose of the present invention is to provide a construction sand stratification detection process, which has the advantages of being easy to splice and split the stratification tube and preventing mortar leakage, and solves the problem that the upper mortar is prone to leakage during the splitting process, thereby increasing the workload of cleaning the mortar.

[0006] To achieve the above object, the present invention provides the following technical solution: a construction sand stratification detection process, comprising the following steps:

[0007] S1. Cylinder splicing: Align the positioning ring on the upper cylinder with the position of the lower cylinder, and sleeve the positioning ring on the lower cylinder, and splice the upper cylinder and the lower cylinder together through the clamping assembly;

[0008] S2. Initial measurement: Use a consistency meter to measure the building mortar to obtain the initial consistency value. After the initial measurement, pour the building mortar into the spliced ​​layered cylinder, and use the shock component to knock the surface of the layered cylinder. If the mortar sinks below the cylinder mouth, add more mortar at any time, then scrape off the excess mortar and smooth it with a spatula;

[0009] S3. Secondary determination: let the mortar stand for half an hour, turn the adjustment disk, separate the upper cylinder and the lower cylinder through the clamping assembly, and block the channel at the bottom of the upper cylinder, remix the mortar in the lower cylinder, and measure the building mortar with a consistency meter to obtain the secondary consistency value;

[0010] S4. Experimental calculation: Calculate the two sets of measurement data, and the difference between the primary consistency value and the secondary consistency value is the mortar stratification degree.

[0011] Preferably, the layered degree cylinder comprises an upper degree cylinder and a lower degree cylinder, and a disassembly structure is provided between the upper degree cylinder and the lower degree cylinder;

[0012] The disassembly structure comprises a connecting plate fixedly connected to the lower part of the upper cylinder, an integrally formed channel portion is provided at the center of the connecting plate, a freely rotatable adjusting plate is provided in the connecting plate, and a retractable assembly for blocking the channel portion is provided on the adjusting plate;

[0013] The side of the adjusting disk is fixedly connected with a plurality of symmetrically arranged outwardly extending plates, the connecting disk is provided with a giving way groove at the position corresponding to the outwardly extending plate, and one side of the outwardly extending plate is provided with a shock component for striking the upper degree cylinder.

[0014] Preferably, the retractable assembly includes a plurality of triangular cone plates arranged on an adjusting disk, the adjusting disk is slidably connected to the inner wall of the connecting disk through a circular groove, the triangular cone plates include an integrally formed lower slide portion, the lower slide portion is slidably connected to the adjusting disk through a hexagonal groove, a guide column is fixedly connected to the upper surface of the triangular cone plates, an integrally formed guide portion is provided at a position of the connecting disk corresponding to the guide column, and the guide column slides through the guide portion through an oblique through groove.

[0015] Preferably, a positioning ring is fixedly connected to the bottom of the connecting plate, and a retaining ring is fixedly connected to the outer circumferential surface of the lower degree cylinder, and the positioning ring contacts the retaining ring when the upper degree cylinder and the lower degree cylinder are connected.

[0016] Preferably, the shock assembly includes an inclined column arranged on the extending plate, the bottom of the inclined column is rotatably connected to the extending plate through a rotating pin, the top of the inclined column is fixedly connected to an arc-shaped pressure plate, and a plurality of groups of elastic balls are provided on the side of the arc-shaped pressure plate facing the upper cylinder, and the elastic balls are rollingly connected to the arc-shaped pressure plate through ball cavities.

[0017] Preferably, the elastic balls are in compression contact with the outer wall of the upper cylinder in an initial state, and a plurality of groups of elastic balls are symmetrically distributed on the arc-shaped pressing plate.

[0018] Preferably, a clamping assembly for fixing the lower cylinder is provided below the adjusting disk, and the clamping assembly includes a limit block that rotates synchronously with the adjusting disk, a retaining ring is provided with a vertical channel groove corresponding to the position of the limit block, one side of the limit block includes an integrally formed inclined portion, an inner arc groove is provided in the retaining ring for the adjusting disk to slide, and a yield assembly for changing its height is provided on one side of the limit block.

[0019] Preferably, the yielding assembly includes a rectangular block fixedly connected to one side of the limit block through a connecting rod, a transverse through groove is opened at the position of the retaining ring corresponding to the connecting rod, the rectangular block is slidably connected to the inner wall of the accommodating frame through the sliding groove, the accommodating frame passes through the bottom of the connecting plate through the through groove and is fixedly connected to the adjusting plate, one end of the spring is fixedly connected to the bottom of the groove of the accommodating frame, and the other end of the spring is fixedly connected to the rectangular block.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention provides a disassembly structure so that the layered cylinder can be easily spliced ​​and disassembled, and can also prevent leakage and segregation of mortar, thereby improving the density and uniformity of the mortar.

[0022] 2. The present invention can knock the cylinder wall by arranging a shock component, thereby ensuring that the mortar is evenly distributed in the layered cylinder, eliminating gaps and bubbles, and improving the density of the mortar. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a process flow chart of the present invention;

[0024] Figure 2 A schematic diagram of the location of the adapter plate of the present invention;

[0025] Figure 3 This is a schematic diagram of the components where the adapter plate of the present invention is located;

[0026] Figure 4 This is a schematic diagram of the state when the triangular pyramid plate of the present invention blocks the channel portion;

[0027] Figure 5 This is a schematic diagram of the components where the triangular pyramid plate of the present invention is located;

[0028] Figure 6 This is a schematic diagram of the components where the positioning ring of the present invention is located;

[0029] Figure 7 This is a schematic diagram of the location of the inner arc groove of the present invention;

[0030] Figure 8 This is a schematic diagram of the components where the limit grooves of the present invention are located;

[0031] Fig. 9 It is a schematic diagram of the components where the arc-shaped pressing plate of the present invention is located.

[0032] In the figure: 1, upper cylinder; 2, lower cylinder; 3, connecting plate; 301, guide part; 302, channel part; 4, triangular cone plate; 401, downward sliding part; 5, oblique through groove; 6, guide column; 7, adjusting plate; 8, hexagonal groove; 9, overhanging plate; 10, give way groove; 11, oblique column; 12, arc pressure plate; 13, elastic ball; 14, positioning ring; 15, retaining ring; 16, inner arc groove; 17, vertical channel groove; 18, limit block; 19, accommodating frame; 20, spring; 21, rectangular block; 22, horizontal through groove. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 9 The present invention provides a technical solution: a construction sand stratification detection process, comprising the following steps:

[0035] S1. Cylinder splicing: Align the positioning ring 14 on the upper cylinder 1 with the position of the lower cylinder 2, and sleeve the positioning ring 14 on the lower cylinder 2, and splice the upper cylinder 1 and the lower cylinder 2 together through the clamping assembly;

[0036] S2. Initial measurement: Use a consistency meter to measure the building mortar to obtain the initial consistency value. After the initial measurement, pour the building mortar into the spliced ​​layered cylinder, and use the shock component to knock the surface of the layered cylinder. If the mortar sinks below the cylinder mouth, add more mortar at any time, then scrape off the excess mortar and smooth it with a spatula;

[0037] S3, secondary measurement: let the mortar stand for half an hour, turn the adjustment disk 7, separate the upper cylinder 1 and the lower cylinder 2 through the clamping assembly, and block the channel at the bottom of the upper cylinder 1, remix the mortar in the lower cylinder 2, and measure the building mortar with a consistency meter to obtain the secondary consistency value;

[0038] S4. Experimental calculation: Calculate the two sets of measurement data, and the difference between the primary consistency value and the secondary consistency value is the mortar stratification degree.

[0039] like Figure 1 - Figure 3As shown, when testing the stratification degree of building mortar, first assemble the required stratification degree cylinders, that is, assemble the upper cylinder 1 and the lower cylinder 2 through the snap-on assembly, and the assembled upper cylinder 1 and the lower cylinder 2 are in a through state, and then the mortar mixture is measured for the initial consistency value through a consistency meter according to the experimental method specified in the standard. After the initial measurement, the mortar is poured into the stratification degree cylinder, and the cylinder wall is knocked by the shock assembly after the mortar is poured. The purpose is to ensure that the mortar is evenly distributed in the stratification degree cylinder, eliminate gaps and bubbles, and improve the density of the mortar. If the height of the mortar is lower than the cylinder mouth, it should be added at any time, and the cylinder wall should be knocked while adding. After the mortar is filled, scrape off the excess mortar and smooth it with a spatula.

[0040] Secondly, let the mortar in the layered cylinder stand for half an hour. After the standing period, separate the upper cylinder 1 and the lower cylinder 2 through the clamping assembly. In the process of separation, the channel at the bottom of the lower cylinder 2 is gradually blocked, so as to avoid leakage of mortar in the upper cylinder 1 and prevent leakage of mortar from increasing the workload of the cleaning process.

[0041] Finally, take out the mortar in the lower cylinder 2 and mix it to eliminate the influence of moisture migration and sedimentation on the consistency of the mortar that may occur during the static process, so that the mortar returns to its initial state, thereby ensuring that the consistency values ​​measured twice are comparable and can reflect the changes in the stratification degree of the mortar. After mixing, the mortar is passed through a consistency meter to determine the secondary consistency value according to the experimental method specified in the standard, and the mortar stratification degree is obtained by the difference between the two measured consistencies.

[0042] It should be noted that the size of the stratification cylinder in the present invention strictly follows the size required by the experimental requirements, wherein the inner diameter of the stratification cylinder is 150±1mm, the purpose of which is to measure the filling amount and sinking degree of the mortar with accuracy; the upper section height of the cylinder is 200±1mm, the purpose of which is to have enough height difference during the static process of the mortar to observe the degree of water migration and sedimentation; the lower section height of the cylinder is 100±1mm, the purpose of which is to have enough remaining amount of the mortar after removing the upper layer, so as to measure the consistency after re-mixing, and the top and supporting surface of the cylinder are perpendicular to the axis of the cylinder, the purpose of which is to ensure the uniform distribution of the mortar in the cylinder and the smooth surface.

[0043] One of the more preferred embodiments includes a layered degree cylinder, which includes an upper degree cylinder 1 and a lower degree cylinder 2, and a disassembly structure is provided between the upper degree cylinder 1 and the lower degree cylinder 2;

[0044] The disassembly structure includes a connecting plate 3 fixedly connected to the lower part of the upper cylinder 1, an integrally formed channel portion 302 is provided at the center of the connecting plate 3, a freely rotatable adjusting plate 7 is provided inside the connecting plate 3, and a retractable assembly for blocking the channel portion 302 is provided on the adjusting plate 7;

[0045] A plurality of symmetrically arranged outwardly extending plates 9 are fixedly connected to the side of the adjusting plate 7 , a clearance groove 10 is provided at the position of the connecting plate 3 corresponding to the outwardly extending plates 9 , and a shock component for striking the upper degree cylinder 1 is provided on one side of the outwardly extending plates 9 .

[0046] like Figure 1 - Figure 3 As shown, the upper cylinder 1 and the lower cylinder 2 are assembled, and the two are connected after assembly. The purpose is to ensure that the mortar can smoothly enter into the lower cylinder 2, and then in the process of standing mortar, the level inside can complete the migration and sedimentation process. At the same time, in the process of disassembling the upper cylinder 1 and the lower cylinder 2, the retractable assembly will gradually block the passage between the upper cylinder 1 and the lower cylinder 2 until the upper cylinder 1 and the lower cylinder 2 are separated. The retractable assembly completely blocks the bottom passage of the lower cylinder 2, thereby preventing the mortar in the upper cylinder 1 from leaking, thereby avoiding the subsequent treatment of the leaked mortar.

[0047] Furthermore, the retractable assembly includes a plurality of triangular cone plates 4 arranged on an adjusting disk 7, the adjusting disk 7 is slidably connected to the inner wall of the connecting disk 3 through a circular groove, the triangular cone plates 4 include an integrally formed lower slide portion 401, the lower slide portion 401 is slidably connected to the adjusting disk 7 through a hexagonal groove 8, a guide column 6 is fixedly connected to the upper surface of the triangular cone plates 4, an integrally formed guide portion 301 is provided at a position of the connecting disk 3 corresponding to the guide column 6, and the guide column 6 slides through the guide portion 301 through the oblique through groove 5.

[0048] When the upper cylinder 1 and the lower cylinder 2 are separated, the adjusting disk 7 is driven to rotate by holding the extension plate 9, and the hexagonal groove 8 provided on the adjusting disk 7 is slidably connected to the lower descending portion 401 of the triangular cone plate 4. Therefore, when the adjusting disk 7 rotates, it can synchronously drive multiple groups of triangular cone plates 4 to deflect synchronously. During the deflection process, the multiple groups of triangular cone plates 4 gradually block the channel portion 302 until the side walls of adjacent triangular cone plates 4 contact each other when the upper cylinder 1 and the lower cylinder 2 are separated, and the multiple groups of triangular cone plates 4 completely block the channel portion 302, thereby preventing the mortar in the upper cylinder 1 from leaking from the channel portion 302 at the bottom.

[0049] It should be noted that the upper and lower surfaces of the triangular cone plate 4 are in contact with the connecting plate 3 and the adjusting plate 7 respectively, the purpose of which is to facilitate the removal of mortar adhering to the triangular cone plate 4 and facilitate the subsequent cleaning of the upper cylinder 1 and its components.

[0050] Furthermore, a positioning ring 14 is fixedly connected to the bottom of the connecting plate 3, and a retaining ring 15 is fixedly connected to the outer peripheral surface of the lower degree cylinder 2. When the upper degree cylinder 1 and the lower degree cylinder 2 are connected, the positioning ring 14 contacts the retaining ring 15.

[0051] like Figure 3 and Figure 6As shown, when installing the upper cylinder 1 and the lower cylinder 2, the positioning ring 14 is sleeved on the lower cylinder 1, thereby improving the tightness between the upper cylinder 1 and the lower cylinder 2, while avoiding leakage of mortar at the joint between the two, and ensuring the stability of the upper cylinder 1.

[0052] Based on the embodiment of the retractable assembly, the shock assembly includes an inclined column 11 arranged on the extended plate 9, the bottom of the inclined column 11 is rotatably connected to the extended plate 9 through a rotating pin, the top of the inclined column 11 is fixedly connected with an arc-shaped pressure plate 12, and a plurality of groups of elastic balls 13 are provided on the side of the arc-shaped pressure plate 12 facing the upper cylinder 1, and the elastic balls 13 are rollingly connected to the arc-shaped pressure plate 12 through ball cavities.

[0053] The elastic balls 13 are in compression contact with the outer wall of the upper cylinder 1 in an initial state, and a plurality of groups of elastic balls 13 are symmetrically distributed on the arc-shaped pressing plate 12 .

[0054] like Figure 2 , Figure 3 , Figure 4 and Fig. 9 As shown, after the mortar is poured into the layered degree cylinder, the inclined column 11 is manually bent to deflect the inclined column 11 and then loosened. A torsion spring is provided between the inclined column 11 and the outrigger plate 9 to restore the inclined column 11 to its initial position after the deflection. The torsion spring is an existing device and a technical means well known to those skilled in the art, so it is not shown in the figure. When the inclined column 11 is not subjected to external force, under the action of the torsion spring, the inclined column 11 deflects toward the upper degree cylinder 2, and in the initial state, the elastic ball 13 squeezes the outer surface of the upper degree cylinder 1. Wall, therefore, by the knocking of the elastic ball 13 on the upper degree cylinder 1, the mortar mixture is evenly distributed in the layered degree cylinder, gaps and bubbles are eliminated, and the density of the mortar is improved. In actual use, the inclined column 11 can also be used as a handle. By holding the inclined column 11 and rotating it, the adjusting disk 7 is driven to rotate through the extended plate 9. At the same time, the elastic ball 13 is connected to the arc pressure plate 12 through the ball cavity, thereby reducing the friction between the elastic ball 13 and the upper degree cylinder 2, thereby achieving the purpose of reducing resistance.

[0055] On the basis of the embodiment of the shock assembly, a clamping assembly for fixing the lower cylinder 2 is provided below the adjusting disk 7, and the clamping assembly includes a limit block 18 which rotates synchronously with the adjusting disk 7. The retaining ring 15 is provided with a vertical channel groove 17 at the position corresponding to the limit block 18. One side of the limit block 18 includes an integrally formed inclined portion. The retaining ring 15 is provided with an inner arc groove 16 for the adjusting disk 7 to slide. One side of the limit block 18 is provided with a yield assembly for changing its height.

[0056] The yielding assembly includes a rectangular block 21 fixedly connected to one side of the limit block 18 through a connecting rod, a transverse through groove 22 is opened at the position of the retaining ring 15 corresponding to the connecting rod, the rectangular block 21 is slidably connected to the inner wall of the accommodating frame 19 through the sliding groove, the accommodating frame 19 passes through the bottom of the connecting plate 3 through the through groove and is fixedly connected to the adjusting plate 7, one end of the spring 20 is fixedly connected to the bottom of the groove of the accommodating frame 19, and the other end of the spring 20 is fixedly connected to the rectangular block 21.

[0057] like Figure 3 , Figure 7 and Figure 8 As shown, when the upper degree cylinder 1 and the lower degree cylinder 2 are spliced, the positions of the limit block 18 and the vertical channel groove 17 are made to correspond, and as the positioning ring 14 is gradually sleeved on the lower degree cylinder 2, the limit block 18 gradually reaches one end of the inner arc groove 16, and the adjusting disk 7 is driven to rotate by manually rotating the extended plate 9. The bottom of the adjusting disk 7 is provided with a accommodating frame 19 and a rectangular block 21 that rotate synchronously therewith, and the limit block 18 is fixed to the rectangular block 21 by a connecting rod. Therefore, when the adjusting disk 7 rotates, it can drive the limit block 18 to rotate synchronously.

[0058] At the same time, during the rotation of the limit block 18, its inclined surface is subject to resistance, thereby causing the limit block 18 and the rectangular block 21 to undergo a slight displacement, thereby causing the position of the limit block 18 to correspond to the position of the inner arc groove 16. As the limit block 18 rotates, the inner wall of the inner arc groove 16 restricts the upper surface of the limit block 18, thereby preventing the limit block 18 from detaching from the inner arc groove 16. Until the limit block 18 is at the other end of the inner arc groove 16, the upper degree tube 1 and the lower degree tube 2 complete the splicing process, and at this time, the multiple sets of triangular cone plates 4 do not block the channel portion 302, and the lower degree tube 1 and the upper degree tube 2 are connected through the channel portion 302.

[0059] Vice versa, when separating the lower degree cylinder 1 and the upper degree cylinder 2, it is only necessary to rotate the extended plate 9 in the opposite direction and drive the adjusting disk 7 to rotate. At this time, multiple groups of triangular cone plates 4 gradually block the channel portion 302, and the limit block 18 gradually moves toward the direction of the vertical channel groove 17. When the position of the limit block 18 corresponds to the position of the vertical channel groove 17, the degree cylinder 1 is pulled out to complete the separation process.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction sand stratification detection process, characterized in that: The following steps are involved: S1. Splicing the cylinders: align the positioning ring (14) on the upper cylinder (1) with the position of the lower cylinder (2), and sleeve the positioning ring (14) on the lower cylinder (2), and splice the upper cylinder (1) and the lower cylinder (2) together by means of a clamping assembly; S2. Initial measurement: Use a consistency meter to measure the building mortar to obtain the initial consistency value. After the initial measurement, pour the building mortar into the spliced ​​layered cylinder, and use the shock component to knock the surface of the layered cylinder. If the mortar sinks below the cylinder mouth, add more mortar at any time, then scrape off the excess mortar and smooth it with a spatula; S3, secondary measurement: let the mortar stand for half an hour, turn the adjustment disk (7), separate the upper cylinder (1) and the lower cylinder (2) through the clamping assembly, and block the channel at the bottom of the upper cylinder (1), remix the mortar in the lower cylinder (2), and measure the building mortar with a consistency meter to obtain a secondary consistency value; S4. Experimental calculation: Calculate the two sets of measurement data, and the difference between the primary consistency value and the secondary consistency value is the mortar stratification degree; The invention comprises a layered degree cylinder, which comprises an upper degree cylinder (1) and a lower degree cylinder (2), wherein a disassembly structure is provided between the upper degree cylinder (1) and the lower degree cylinder (2); The disassembly structure comprises a connecting plate (3) fixedly connected to the bottom of the upper cylinder (1), an integrally formed channel portion (302) being provided at the center of the connecting plate (3), a freely rotatable adjustment plate (7) being provided inside the connecting plate (3), and a retractable assembly for blocking the channel portion (302) being provided on the adjustment plate (7); The side of the adjusting plate (7) is fixedly connected with a plurality of symmetrically arranged outwardly extending plates (9), the connecting plate (3) is provided with a clearance groove (10) at a position corresponding to the outwardly extending plates (9), and one side of the outwardly extending plates (9) is provided with a striking component for striking the upper cylinder (1); The retractable assembly comprises a plurality of triangular cone plates (4) arranged on an adjusting disk (7); the adjusting disk (7) is slidably connected to the inner wall of the connecting disk (3) via a circular groove; the triangular cone plates (4) comprise an integrally formed lower slide portion (401); the lower slide portion (401) is slidably connected to the adjusting disk (7) via a hexagonal groove (8); a guide column (6) is fixedly connected to the upper surface of the triangular cone plates (4); an integrally formed guide portion (301) is provided at a position of the connecting disk (3) corresponding to the guide column (6); the guide column (6) slides through the guide portion (301) via an oblique through groove (5); A positioning ring (14) is fixedly connected to the bottom of the connecting plate (3), and a retaining ring (15) is fixedly connected to the outer peripheral surface of the lower degree cylinder (2); when the upper degree cylinder (1) and the lower degree cylinder (2) are connected, the positioning ring (14) and the retaining ring (15) are in contact; The shock assembly comprises an oblique column (11) arranged on an overhanging plate (9), the bottom of the oblique column (11) being rotatably connected to the overhanging plate (9) via a rotating pin, the top of the oblique column (11) being fixedly connected to an arc-shaped pressing plate (12), a plurality of groups of elastic balls (13) being arranged on a side of the arc-shaped pressing plate (12) facing the upper cylinder (1), the elastic balls (13) being rollingly connected to the arc-shaped pressing plate (12) via ball cavities; The elastic balls (13) are in compression contact with the outer wall of the upper cylinder (1) in an initial state, and a plurality of groups of elastic balls (13) are symmetrically distributed on the arc-shaped pressing plate (12); A clamping assembly for fixing the lower cylinder (2) is provided below the adjusting disk (7), and the clamping assembly includes a limit block (18) that rotates synchronously with the adjusting disk (7); The retaining ring (15) is provided with a vertical channel groove (17) at a position corresponding to the limit block (18), and one side surface of the limit block (18) includes an integrally formed inclined portion; The retaining ring (15) is provided with an inner arc groove (16) for the adjusting disk (7) to slide, and one side of the limit block (18) is provided with a clearance component for changing its height.

2. A construction sand stratification detection process according to claim 1, characterized in that: The clearance assembly comprises a rectangular block (21) fixedly connected to one side of the limit block (18) via a connecting rod, and a transverse through groove (22) is formed in the retaining ring (15) at a position corresponding to the connecting rod.

3. A construction sand stratification detection process according to claim 2, characterized in that: The rectangular block (21) is slidably connected to the inner wall of the accommodating frame (19) via a sliding groove, and the accommodating frame (19) passes through the bottom of the connecting plate (3) via a through groove and is fixedly connected to the adjusting plate (7).

4. A construction sand stratification detection process according to claim 3, characterized in that: One end of a spring (20) is fixedly connected to the bottom of the groove of the accommodating frame (19), and the other end of the spring (20) is fixedly connected to the rectangular block (21).

Images