Testing device for rapidly detecting viscosity of soil body

Abstract

A test device for rapidly detecting the viscosity of a soil body comprises an experiment table and a detachable box body, the experiment table comprises a test bed plate, and the four corners of the bottom of the test bed plate are each connected with a stand column. And the placing box can be detached from the experiment table by virtue of sliding of the square ring in the guide groove, so that the soil body is convenient to replace, and the efficiency of testing soil bodies of different stratums is improved.

Description

Technical Field

[0001] The utility model relates to a testing device, more specifically a testing device for quickly detecting the viscosity of soil. Background Art

[0002] In recent years, my country has attached more and more importance to the development and utilization of urban underground space. Shield tunnels are becoming more and more common and their application scenarios are expanding. Therefore, it is necessary to test the viscosity of the soil in the shield tunneling area before construction. However, the existing soil viscosity test device is used to hold the box of soil directly fixed on the test device. The current test device is not convenient for changing the soil when testing soil in different strata, and the test efficiency is low. Summary of the invention

[0003] The purpose of the utility model is to provide a test device for quickly detecting the viscosity of soil, which can be combined with a laboratory table and a detachable box. When the soil inside the placement box needs to be replaced, the placement box can be removed from the laboratory table by sliding inside the guide groove with the help of a square ring, thereby facilitating the replacement of the soil and improving the efficiency of testing soils in different strata.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A test device for quickly detecting soil viscosity comprises a laboratory table and a detachable box, wherein the laboratory table comprises a test bench plate, each of the four corners of the bottom of the test bench plate is connected to a column, the test bench plate is a square annular plate structure, a through groove is provided at the bottom of the test bench plate, two guide grooves are provided on both sides of the test bench plate, the two guide grooves are located on both sides of the through groove, the guide grooves are connected to the through groove, the detachable box comprises a placement box, the placement box is a rectangular shell structure with an upper opening, the upper part of the placement box is connected to a square ring, the outer side periphery of the placement box is connected to the inner side of the square ring, the two sides of the square ring can be respectively plugged and matched with the two guide grooves, the placement box can be plugged and matched with the through groove, the upper part of the laboratory table is connected to a quick soil viscosity tester, the quick soil viscosity tester comprises a U-shaped frame, the bottom of the U-shaped frame is connected to the test bench plate, a speed measuring DC motor, a stepping motor, and a rotating disc are installed on the U-shaped frame, the stepping motor can drive the rotating disc to rise and fall, and the speed measuring DC motor can drive the rotating disc to rotate.

[0006] In order to further achieve the purpose of the utility model, the following technical scheme can also be adopted: stepper motors are installed on both sides of the U-shaped frame, the shell of the stepper motor is connected to the U-shaped frame, the output shaft of the stepper motor is connected to the screw, strip grooves are provided on both sides of the U-shaped frame, the screw is located inside the strip grooves, a lifting plate is installed on the inner side of the U-shaped frame, a screw hole is provided on both sides of the lifting plate, the screw holes on both sides of the lifting plate are respectively threadedly connected with the two screws, the bottom of the lifting plate is connected to the wheel frame and the speed measuring DC motor, the shell of the speed measuring DC motor is connected to the lifting plate, the wheel frame is a U-shaped plate structure, the central axis of the rotating disk is connected to the rotating shaft, a through hole is provided on both sides of the wheel frame, the two ends of the rotating shaft are respectively plugged into a through hole, one end of the rotating shaft is connected to the second gear, the output shaft of the speed measuring DC motor is connected to the first gear, and the first gear is meshed with the second gear.

[0007] The upper part of the test bench plate is connected to the mud guard, which is a rectangular shell structure with openings on one side and the bottom. A cover door plate is installed on the side opening of the mud guard, one side of the cover door plate is hinged to the mud guard, the cover door plate can close the side opening of the mud guard, and one side of the cover door plate is connected to a handle.

[0008] A through hole is provided on both sides of the test bench plate, the interior of the through hole is connected with the interior of the guide groove, a sliding rod is inserted into the interior of the through hole, a tension spring is sleeved on the sliding rod, the tension spring is connected with the sliding rod, and the other end of the tension spring is connected with the test bench plate.

[0009] The advantages of the utility model are that the utility model combines the experimental table and the detachable box. When the soil inside the placement box needs to be replaced, the placement box can be removed from the experimental table by sliding inside the guide groove with the help of a square ring, thereby facilitating the replacement of the soil and improving the efficiency of testing soils in different strata. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 A schematic diagram of the structure of the utility model with the mud guard (1) removed;

[0013] Figure 3 This is a schematic diagram of the matching structure of the experimental table and the detachable box of the utility model;

[0014] Figure 4 This is a schematic diagram of the driving structure of the rotating disc (13) of the utility model. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. Example 1

[0016] A test device for quickly detecting soil viscosity, such as Figure 1-Figure 4 As shown, it includes a laboratory table and a detachable box, the laboratory table includes a test bench plate 4, the four corners of the bottom of the test bench plate 4 are connected to a column 8, the test bench plate 4 is a square annular plate structure, the bottom of the test bench plate 4 is provided with a through groove 6, and two guide grooves 5 are provided on both sides of the test bench plate 4. The two guide grooves 5 are located on both sides of the through groove 6, and the guide grooves 5 are connected to the through groove 6. The detachable box includes a placement box 7, the placement box 7 is a rectangular shell structure with an upper opening, the upper part of the placement box 7 is connected to a square ring 17, and the outer side periphery of the placement box 7 It is connected to the inner side of the square ring 17, and the two sides of the square ring 17 can be respectively plugged into the two guide grooves 5, and the placement box 7 can be plugged into the through groove 6. The upper part of the experimental table is connected to a rapid detection soil viscosity tester, and the rapid detection soil viscosity tester includes a U-shaped frame 9, and the bottom of the U-shaped frame 9 is connected to the test bench plate 4. A speed measuring DC motor 12, a stepping motor 10, and a rotating disc 13 are installed on the U-shaped frame 9. The stepping motor 10 can drive the rotating disc 13 to rise and fall, and the speed measuring DC motor 12 can drive the rotating disc 13 to rotate.

[0017] The utility model combines a laboratory table with a detachable box. When the soil inside the placement box 7 needs to be replaced, the placement box 7 can be removed from the laboratory table by sliding inside the guide groove 5 with the help of a square ring 17, thereby facilitating the replacement of the soil and improving the efficiency of testing soils in different strata.

[0018] Material selection and feasibility analysis for specific implementation: The samples we actually made use the drawings in the specification as drawings, and are implemented according to the proportions and matching methods of the various components in the drawings in the specification. The connection is a common connection method such as strong adhesive connection, welding, riveting, flange connection, and one-piece molding connection. In actual production, the corresponding connection method, thickness and strength of the connection point can be creatively selected according to the actual connection strength requirements. Introduction to the stepper motor used in this embodiment: Brand: Hongbaoda, Model: 86-156, supporting equipment: hybrid stepper servo driver HB860H, adapter power supply: 42V switching power supply Taiwan Mean Well SE-1000-24. The stepper motor and hybrid stepper servo driver HB860H are existing complete sets of equipment. After the stepper motor and hybrid stepper servo driver HB860H are connected to the adapter power supply according to the specification, the user can control the operation of the stepper motor through the hybrid stepper servo driver HB860H, and then control the rotation of the motor output shaft. When the utility model is used, the test soil is first placed in the placement box 2, and then the experimental table and the detachable box are matched, and then the speed measuring DC motor 12 is turned on, and the speed measuring DC motor 12 drives the rotating disc 13 to rotate. When the speed measuring DC motor 12 shows a constant speed, the speed measuring DC motor 12 is turned off, and the stepper motor 10 is turned on. The stepper motor 10 drives the screw 23 to rotate, thereby driving the rotating disc 8 on the lifting plate 11 to move downward, so that the rotating disc 8 can be moved to different depths of the test soil. The personnel use a stopwatch to start timing, observe the time when the rotating disc speed drops to 0, and judge the viscosity of the test soil according to the time when the rotating disc speed drops to 0. The speed measuring DC motor 12 requires a matching DC reduction motor with an AB phase encoder for detecting the speed. The speed measuring DC motor 12 can use a metal code disc speed measuring motor of brand: xb, and the DC reduction motor with an AB phase encoder can use a 37GB-550 DC reduction motor with an AB phase encoder of brand: XB. Example 2

[0019] A test device for quickly detecting soil viscosity, such as Figure 1-Figure 4As shown, it includes a laboratory table and a detachable box, the laboratory table includes a test bench plate 4, the four corners of the bottom of the test bench plate 4 are connected to a column 8, the test bench plate 4 is a square annular plate structure, the bottom of the test bench plate 4 is provided with a through groove 6, and two guide grooves 5 are provided on both sides of the test bench plate 4. The two guide grooves 5 are located on both sides of the through groove 6, and the guide grooves 5 are connected to the through groove 6. The detachable box includes a placement box 7, the placement box 7 is a rectangular shell structure with an upper opening, the upper part of the placement box 7 is connected to a square ring 17, and the outer side periphery of the placement box 7 It is connected to the inner side of the square ring 17, and the two sides of the square ring 17 can be respectively plugged into the two guide grooves 5, and the placement box 7 can be plugged into the through groove 6. The upper part of the experimental table is connected to a rapid detection soil viscosity tester, and the rapid detection soil viscosity tester includes a U-shaped frame 9, and the bottom of the U-shaped frame 9 is connected to the test bench plate 4. A speed measuring DC motor 12, a stepping motor 10, and a rotating disc 13 are installed on the U-shaped frame 9. The stepping motor 10 can drive the rotating disc 13 to rise and fall, and the speed measuring DC motor 12 can drive the rotating disc 13 to rotate. Stepper motors 10 are installed on both sides of the U-shaped frame 9, the shell of the stepper motor 10 is connected to the U-shaped frame 9, the output shaft of the stepper motor 10 is connected to the screw 23, strip grooves 22 are provided on both sides of the U-shaped frame 9, the screw 23 is located inside the strip groove 22, a lifting plate 11 is installed on the inner side of the U-shaped frame 9, a screw hole is provided on both sides of the lifting plate 11, the screw holes on both sides of the lifting plate 11 are respectively threadedly connected with two screws 23, the bottom of the lifting plate 11 is connected to the wheel frame 21 and the speed measuring DC motor 12, the shell of the speed measuring DC motor 12 is connected to the lifting plate 11, the wheel frame 21 is a U-shaped plate structure, the central axis of the rotating disk 13 is connected to the rotating shaft 20, a through hole is provided on both sides of the wheel frame 21, the two ends of the rotating shaft 20 are respectively plugged with a through hole, one end of the rotating shaft 20 is connected to the second gear 19, the output shaft of the speed measuring DC motor 12 is connected to the first gear 18, and the first gear 18 is meshed with the second gear 19.

[0020] The stepper motor 10 of the utility model can drive the lifting plate 11 to rise and fall by cooperating with the screw hole of the lifting plate 11, thereby driving the rotating disc 13 to rise and fall, thereby driving the rotating disc 13 to cooperate with the soil inside the placement box 7. The speed measuring DC motor 12 of the utility model can drive the rotating disc 13 to rotate by meshing the first gear 18 with the second gear 19, thereby driving the rotating disc 13 to test the soil inside the placement box 7. Example 3

[0021] A test device for quickly detecting soil viscosity, such as Figure 1-Figure 4As shown, it includes a laboratory table and a detachable box, the laboratory table includes a test bench plate 4, the four corners of the bottom of the test bench plate 4 are connected to a column 8, the test bench plate 4 is a square annular plate structure, the bottom of the test bench plate 4 is provided with a through groove 6, and two guide grooves 5 are provided on both sides of the test bench plate 4. The two guide grooves 5 are located on both sides of the through groove 6, and the guide grooves 5 are connected to the through groove 6. The detachable box includes a placement box 7, the placement box 7 is a rectangular shell structure with an upper opening, the upper part of the placement box 7 is connected to a square ring 17, and the outer side periphery of the placement box 7 It is connected to the inner side of the square ring 17, and the two sides of the square ring 17 can be respectively plugged with the two guide grooves 5, and the placement box 7 can be plugged with the through groove 6. The upper part of the experimental table is connected to a rapid soil viscosity tester, and the rapid soil viscosity tester includes a U-shaped frame 9, the bottom of the U-shaped frame 9 is connected to the test bench 4, and a speed measuring DC motor 12, a stepper motor 10, and a rotating disc 13 are installed on the U-shaped frame 9. The stepper motor 10 can drive the rotating disc 13 to rise and fall, and the speed measuring DC motor 12 can drive the rotating disc 13 to rotate. The upper part of the test bench 4 is connected to a mud guard 1, and the mud guard 1 is a rectangular shell structure with openings on one side and the bottom. A cover door panel 2 is installed on the side opening of the mud guard 1, and one side of the cover door panel 2 is hinged to the mud guard 1. The cover door panel 2 can close the side opening of the mud guard 1, and one side of the cover door panel 2 is connected to a handle 3.

[0022] The mud guard 1 of the utility model can prevent soil residue from splashing outside when performing a soil viscosity test. Example 4

[0023] A test device for quickly detecting soil viscosity, such as Figure 1-Figure 4As shown, it includes a laboratory table and a detachable box, the laboratory table includes a test bench plate 4, the four corners of the bottom of the test bench plate 4 are connected to a column 8, the test bench plate 4 is a square annular plate structure, the bottom of the test bench plate 4 is provided with a through groove 6, and two guide grooves 5 are provided on both sides of the test bench plate 4. The two guide grooves 5 are located on both sides of the through groove 6, and the guide grooves 5 are connected to the through groove 6. The detachable box includes a placement box 7, the placement box 7 is a rectangular shell structure with an upper opening, the upper part of the placement box 7 is connected to a square ring 17, and the outer side periphery of the placement box 7 It is connected to the inner side of the square ring 17, and the two sides of the square ring 17 can be respectively plugged with the two guide grooves 5, and the placement box 7 can be plugged with the through groove 6. The upper part of the experimental table is connected to the rapid detection soil viscosity tester, and the rapid detection soil viscosity tester includes a U-shaped frame 9, the bottom of the U-shaped frame 9 is connected to the test bench 4, and the U-shaped frame 9 is installed with a speed measuring DC motor 12, a stepping motor 10, and a rotating disk 13. The stepping motor 10 can drive the rotating disk 13 to rise and fall, and the speed measuring DC motor 12 can drive the rotating disk 13 to rotate. A through hole 16 is opened on both sides of the test bench 4, and the interior of the through hole 16 is connected to the interior of the guide groove 5. The interior of the through hole 16 is plugged with a sliding rod 14, and the sliding rod 14 is sleeved with a tension spring 15, and the tension spring 15 is opened and connected to the sliding rod 14, and the other end of the tension spring 15 is connected to the test bench 4.

[0024] After the laboratory table and the detachable box are installed, the sliding rod 14 of the utility model can be inserted into the guide groove 5 under the tension of the tension spring 15, thereby preventing the square ring 17 from being disengaged from the guide groove 5, thereby improving the installation stability of the placement box 7. When the placement box 7 needs to be taken out, the person can pull the sliding rod 14 upward to disengage the sliding rod 14 from the guide groove 5, thereby facilitating the removal of the placement box 7.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. A test device for quickly detecting soil viscosity, characterized in that: The invention comprises a laboratory table and a detachable box, wherein the laboratory table comprises a test bench plate (4), wherein the four corners of the bottom of the test bench plate (4) are each connected to a column (8), the test bench plate (4) is a square annular plate structure, a through groove (6) is provided at the bottom of the test bench plate (4), two guide grooves (5) are provided on both sides of the test bench plate (4), the two guide grooves (5) are located on both sides of the through groove (6), and the guide grooves (5) are connected to the through groove (6), and the detachable box comprises a placement box (7), the placement box (7) is a rectangular shell structure with an upper opening, the upper part of the placement box (7) is connected to a square ring (17), and the outer side periphery of the placement box (7) is connected to the square ring (17). The inner side of the square ring (17) is connected, the two sides of the square ring (17) can be respectively plugged into the two guide grooves (5), the placement box (7) can be plugged into the through groove (6), the upper part of the experimental table is connected to a rapid soil viscosity tester, the rapid soil viscosity tester comprises a U-shaped frame (9), the bottom of the U-shaped frame (9) is connected to the test bench plate (4), a speed measuring DC motor (12), a stepping motor (10), and a rotating disc (13) are installed on the U-shaped frame (9), the stepping motor (10) can drive the rotating disc (13) to rise and fall, and the speed measuring DC motor (12) can drive the rotating disc (13) to rotate; Stepper motors (10) are installed on both sides of the U-shaped frame (9), the shell of the stepper motor (10) is connected to the U-shaped frame (9), the output shaft of the stepper motor (10) is connected to the screw rod (23), both sides of the U-shaped frame (9) are provided with strip grooves (22), the screw rod (23) is located inside the strip grooves (22), a lifting plate (11) is installed on the inner side of the U-shaped frame (9), both sides of the lifting plate (11) are provided with a screw hole, the screw holes on both sides of the lifting plate (11) are respectively threadedly connected to the two screw rods (23), the bottom of the lifting plate (11) is connected to the speed measuring DC motor (12), and the shell of the speed measuring DC motor (12) is connected to the lifting plate (11).

2. A test device for rapid detection of soil viscosity according to claim 1, characterized in that: The bottom of the lifting plate (11) is also connected to a wheel frame (21), which is a U-shaped plate structure. The central axis of the rotating disk (13) is connected to the rotating shaft (20). A through hole is provided on both sides of the wheel frame (21), and both ends of the rotating shaft (20) are respectively plugged into a through hole. One end of the rotating shaft (20) is connected to the second gear (19), and the output shaft of the speed measuring DC motor (12) is connected to the first gear (18), and the first gear (18) is meshed with the second gear (19).

3. A test device for rapid detection of soil viscosity according to claim 1, characterized in that: The upper part of the test bench plate (4) is connected to the mud guard (1), the mud guard (1) is a rectangular shell structure with openings on one side and the bottom, the side opening of the mud guard (1) is mounted with a cover door plate (2), one side of the cover door plate (2) is hinged to the mud guard (1), the cover door plate (2) can close the side opening of the mud guard (1), and one side of the cover door plate (2) is connected to a handle (3).

4. A test device for rapid detection of soil viscosity according to claim 1, characterized in that: A through hole (16) is provided on both sides of the test bench plate (4), the interior of the through hole (16) is connected to the interior of the guide groove (5), the interior of the through hole (16) is plugged into a sliding rod (14), a tension spring (15) is sleeved on the sliding rod (14), the tension spring (15) is connected to the sliding rod (14), and the other end of the tension spring (15) is connected to the test bench plate (4).

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