CN213813250U

CN213813250U - Foot tester capable of automatically stopping

Info

Publication number: CN213813250U
Application number: CN202022530243.XU
Authority: CN
Inventors: 黄芳
Original assignee: Shanghai Shen Yuan Geotechnical Co ltd
Current assignee: Shanghai Shen Yuan Geotechnical Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-27
Anticipated expiration: 2030-11-05

Abstract

The utility model belongs to the technical field of the survey, concretely relates to angle of repose apparatus. The automatic resting foot tester comprises a chassis and a fixed column positioned on the side edge of the chassis, wherein a disc is arranged on the chassis, a graduated rod with scales is vertically arranged on the top surface of the middle part of the disc, an automatic lifting device is connected onto the graduated rod, and the automatic lifting device drives the graduated rod and the disc to do lifting motion; a funnel is arranged above the scale rod, and the center of the funnel coincides with the center of the disc. The utility model discloses can control the angle and the speed of empting the sample, reduce human error, can improve survey efficiency and survey precision with the slow lift disc of certain speed again greatly.

Description

Foot tester capable of automatically stopping

Technical Field

The utility model belongs to the technical field of the survey, concretely relates to angle of repose apparatus.

Background

The angle of repose is the maximum toe formed by the natural slope and the horizontal plane of the unconsolidated soil when the unconsolidated soil is stacked in a loose state. The angle of repose of cohesionless soils is increasingly being tested in engineering surveys. The repose angle test has important significance on determining the self-supporting height of the side wall, analyzing the stability of a slope, stabilizing a tailing stacking dam and calculating and designing the stacking height in the excavation engineering of a building; especially, the underwater angle of repose test has certain engineering guiding effects on analyzing sediment accumulation of a reservoir, slope stability problems in bank protection engineering, optimization of channel digging and river bed washing.

The determination of the repose angle test method in the geotechnical test method standard (GB/T50123-2019) is divided into an above-water state and an underwater state. When a traditional repose angle tester pours a sample, a small spoon is needed to pour the sample along an iron rod manually, and the manual influence is great. And the adopted rocker type tray is lifted, so that the tray is easy to shake due to different speeds of manually rocking the rocker, and the quality and the accuracy of the repose angle test are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses when experimental to traditional angle of repose, adopt artifical mode operating efficiency low, waste time and energy, the big technical problem of experimental result manual error, aim at provides a foot apparatus that can stop automatically.

The automatic resting foot tester comprises a chassis and a fixed column positioned on the side edge of the chassis, wherein a disc is arranged on the chassis, a graduated rod with scales is vertically arranged on the top surface of the middle part of the disc, an automatic lifting device is connected onto the graduated rod, and the automatic lifting device drives the graduated rod and the disc to do lifting motion;

a funnel is arranged above the scale rod, and the center of the funnel coincides with the center of the disc.

The utility model discloses during the use, get proper amount sample with the sample spoon and pour into the funnel, the sample is piled up on the disc through the funnel along the scale rod, until the disc external source covers soil sample completely. The automatic lifting device is driven to drive the disc to stably rise until the disc leaves the sample in the chassis. And measuring the scale at the contact position of the soil sample accumulation cone top and the scale rod. The utility model discloses at scale bar top installation funnel, can control the angle and the speed of empting the sample, reduce human error. The automatic lifting device is installed, a lifting disc which is slow at a certain speed can be stably lifted compared with a rocker type tray for a traditional repose angle tester, the tray cannot shake due to different shaking forces, and accordingly the repose angle testing quality and accuracy are achieved.

The chassis is also provided with a water tank, and the disc and the scale rod are positioned in the water tank. When the angle of repose of the underwater state is measured, a certain amount of water is injected into the water tank according to the requirement, and the automatic lifting device is driven to drive the disc to slowly sink into the water tank. When the water level in the water tank reaches the scale of the scale rod 0, the sample is injected according to the same rule as the water tank-free time, and then the automatic lifting device is driven to slowly descend the soil containing disc again. When the top end of the sample cone reaches the water surface, the scales at the top end of the cone and the scale rod are measured and recorded. Cause the utility model discloses the function of the angle of repose of survey state under water has also been realized.

The funnel is detachably fixed above the scale rod through a funnel fixing rod.

The funnel dead lever include the solid fixed ring of ring shape, with the fixed connecting rod that the fixed ring is fixed, connecting rod detachable is fixed on the fixed column. The funnel can be placed on solid fixed ring, can adjust the distance between funnel and the scale bar according to the demand through the position of connecting rod on the fixed column to better survey of carrying out the angle of repose.

The fixing column preferably adopts a fixing iron rod.

The automatic lifting device comprises a lifter, a lifting speed controller for controlling the lifting speed of the lifter, a lifting switch for controlling the lifter to ascend or descend, a brake and a traction rope, wherein the lifting end of the lifter is connected with the traction rope, and the traction rope is connected with the top of the scale rod through the brake;

the power supply end of the lifting rate controller is connected with the socket;

the lifting switch comprises a rising switch and a falling switch. The lifter drives the disc to do descending action through the traction rope by pressing a descending switch of the lifting switch, and the lifter drives the disc to do ascending action through the traction rope by pressing an ascending switch of the lifting switch.

The stopper is located the funnel top, the haulage rope pass behind the funnel with the top of scale rod is connected.

The brake is fixed on the fixing column.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a but automatic foot apparatus of reposing can carry out two kinds of determinations of state on water and state under water to the angle of repose, can control the angle and the speed of empting the sample, reduces human error, can be with the slow lift disc of certain speed again, has improved survey efficiency and survey precision greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a part of the structure of the automatic lifting device of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.

Referring to fig. 1, the automatic resting foot tester comprises a chassis 1 and a fixed column 2 positioned on the side of the chassis 1, wherein the fixed column 2 is preferably a fixed iron rod. Be equipped with disc 3 on chassis 1, the vertical scale rod 4 of taking the scale that sets up of middle part top surface of disc 3 connects automatic lifting device on the scale rod 4, and automatic lifting device drives scale rod 4 and disc 3 and is the elevating movement.

Referring to fig. 2, the automatic lifting apparatus includes a lifter 51, a lifting rate controller 52 for controlling a lifting rate of the lifter 51, a lifting switch 53 for controlling the lifting or lowering of the lifter 51, a stopper 54, and a traction rope 55, the stopper 54 being fixed to the fixed column 2. The elevation rate controller 52 and the elevation switch 53 are connected to the elevator 51, respectively. The lifting end of the lifter 51 is connected with a traction rope 55, and the traction rope 55 is connected with the top of the graduated rod 4 through a brake 54; a power supply terminal connection socket 56 of the ramp rate controller 52; the up-down switch 53 includes an up switch and a down switch. By pressing the down switch of the up-down switch 53, the lifter 51 drives the disc 3 to move down through the pulling rope 55, and by pressing the up switch of the up-down switch 53, the lifter 51 drives the disc 3 to move up through the pulling rope 55.

A funnel 6 is arranged above the scale rod 4, and the center of the funnel 6 is coincided with the center of the disc 3. The brake 54 is positioned above the funnel 6, and the pulling rope 55 is connected with the top of the graduated rod 4 after passing through the funnel 6. The funnel 6 is detachably fixed above the scale rod 4 through a funnel fixing rod 7. Funnel dead lever 7 is including the solid fixed ring of ring shape, with the fixed connecting rod that the fixed ring is fixed, connecting rod detachable fixes on fixed column 2. Funnel 6 can be placed on solid fixed ring, can adjust the distance between funnel 6 and the scale bar 4 according to the demand through the position of connecting rod on fixed column 2 to the better survey that carries out the angle of repose. The funnel fixing rod 7 can be detachably fixed on the fixing column by adopting a fastening screw to be screwed or loosened.

The chassis 1 is also provided with a water tank 8, and the disc 3 and the scale rod 4 are positioned in the water tank 8.

The utility model discloses during the use, get proper amount sample with the sample spoon and pour into funnel 6, the sample is piled up on disc 3 along scale rod 4 through funnel 6, until 3 external sources of disc cover soil sample completely. The automatic lifting device is driven to drive the disc 3 to rise stably until the disc leaves the sample in the chassis 1. And measuring the scale at the contact position of the soil sample accumulation conical top and the scale rod 4. The utility model discloses at 4 top installation funnels 6 of scale bar, can control the angle and the speed of empting the sample, reduce human error. The automatic lifting device is installed, the lifting disc 3 which can be slowly lifted at a certain speed is more stable than a rocker type tray for a traditional repose angle tester, the tray cannot be rocked due to different shaking forces, and accordingly the repose angle testing quality and accuracy are achieved.

When the angle of repose of the underwater state is measured, a certain amount of water is injected into the water tank 8 according to the requirement, and the automatic lifting device is driven to drive the disc 3 to slowly sink into the water tank 8. When the water level in the water tank 8 reaches the scale of the scale bar 40, the sample is injected according to the same rule as that in the case of no water tank 8, and then the automatic lifting device is driven to slowly lower the soil containing disc 3 again. When the top end of the sample cone reaches the water surface, the scales at the cone top and the scale rod 4 are measured and recorded. Cause the utility model discloses the function of the angle of repose of survey state under water has also been realized.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic resting foot tester comprises a chassis and a fixed column positioned on the side edge of the chassis, and is characterized in that a disc is arranged on the chassis, a graduated rod with scales is vertically arranged on the top surface of the middle part of the disc, an automatic lifting device is connected onto the graduated rod, and the automatic lifting device drives the graduated rod and the disc to do lifting movement;

a funnel is arranged above the scale rod.

2. The automatically repositionability foot meter of claim 1, wherein the center of said funnel coincides with the center of said disc.

3. The apparatus as claimed in claim 1, wherein a water tank is further provided on the base plate, and the disc and the scale rod are located in the water tank.

4. The apparatus as claimed in claim 1, wherein said funnel is removably secured above said graduated shaft by a funnel securing rod.

5. The apparatus as set forth in claim 4, wherein said funnel-securing lever includes a ring-shaped securing ring, a connecting rod secured to said securing ring, said connecting rod being removably secured to said securing post.

6. The apparatus as claimed in claim 1, wherein the fixing column is a fixed iron rod.

7. The apparatus as claimed in any one of claims 1 to 6, wherein the automatic lifting means comprises a lifter, a lifting rate controller for controlling a lifting rate of the lifter, a lifting switch for controlling the lifting or lowering of the lifter, a stopper and a pulling rope, the lifting end of the lifter is connected to the pulling rope, and the pulling rope is connected to the top of the graduated rod through the stopper;

the lifting switch comprises a rising switch and a falling switch.

8. The apparatus as claimed in claim 7, wherein the brake is located above the funnel, and the pulling string is connected to the top of the graduated rod after passing through the funnel.

9. The apparatus as set forth in claim 7, wherein said brake is fixed to said stationary post.