CN215447722U - Rapid repose angle tester - Google Patents

Abstract

The utility model provides a rapid repose angle tester, which relates to the technical field of geotechnical engineering geotechnical test equipment and comprises a base, wherein a chassis is fixedly installed on one side of the top of the base, a disc is movably connected to the bottom of the inner wall of the chassis, a fixed block is welded on the other side of the top of the base, a vertical rod is welded on the top of the fixed block, a lifting mechanism is fixedly installed on the top of the base, a fixing mechanism is fixedly installed on the outer surface of the vertical rod, and a hollow cylinder is welded on the outer surface of the vertical rod. According to the utility model, the first crank drives the gear to rotate, the gear can drive the sliding plate to slide on the inner surface of the sliding groove, the sliding plate can drive the connecting plate to move upwards when sliding, the connecting plate drives the hopper to move upwards, the hopper can be slowly improved from the disc through the lifting mechanism, the falling speed and the falling range of non-cohesive soil are ensured, the non-cohesive soil cannot fall outside the disc, and the measurement result is ensured during the final measurement.

Description

Rapid repose angle tester

Technical Field

The utility model relates to the technical field of geotechnical engineering geotechnical test equipment, in particular to a rapid repose angle tester.

Background

The angle of repose, also called angle of repose, is the minimum angle between the inclined surface and the horizontal surface when the inclined surface makes an object placed thereon slide down along the inclined surface, i.e. the object on the inclined surface will slide down more easily as the angle of inclination increases. In the test of repose angle of non-cohesive soil, a large amount of granular non-cohesive soil is poured on a horizontal plane and stacked into a cone, and the inner angle formed by the surface of the stacked matter and the horizontal plane is the repose angle which is related to the density, the surface area and the shape of the granules and the friction coefficient of the substance.

But among the prior art, current angle of repose apparatus is generally fixed the funnel at a certain height, let on the no stickness soil flows out the disc naturally from the funnel, or use the spoon to empty the sample around the iron set, the former is because the influence of height, no stickness soil is easy to wave around the in-process that flows, push away and amass around disc and disc, when promoting the rope, no stickness soil on the disc receives the influence of no stickness soil frictional force outside the disc easily, make no stickness soil on the disc drop, it is inaccurate to probably lead to final survey result, and the latter is more troublesome when empting the sample, and work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, the funnel is lifted by the lifting mechanism, so that non-cohesive soil naturally falls from the funnel opening, the inaccuracy of a measuring result caused by the friction between the non-cohesive soil outside the disc and the non-cohesive soil inside the disc is avoided, and the working efficiency is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an angle of repose spot test appearance, includes the base, top one side fixed mounting of base has the chassis, the inner wall bottom swing joint on chassis has the disc, the welding of the top opposite side of base has the fixed block, the top welding of fixed block has the montant, the top fixed mounting of base has hoist mechanism, the outer fixed surface of montant installs fixed establishment, the outer fixed surface welding of montant has hollow cylinder, hollow cylinder's outer fixed surface installs the U template, there is the stopper one side of U template through bearing swivelling joint.

The lifting mechanism comprises a vertical plate, a sliding groove is formed in the rear surface of the vertical plate, a sliding plate is connected to the inner surface of the sliding groove in a sliding mode, an inner groove is formed in one side, close to the chassis, of the vertical plate, a connecting plate is connected to the inner surface of the inner groove in a sliding mode, an L-shaped rod is fixedly mounted at the top of the base, a gear is rotatably connected to the other end of the L-shaped rod, a first crank is fixedly mounted on the other side of the gear, and a funnel is fixedly mounted on the other side of the connecting plate.

As a preferred embodiment, the fixing mechanism comprises a bidirectional threaded rod, two sliding blocks are sleeved on the outer surface of the bidirectional threaded rod in a threaded manner, two friction blocks are fixedly mounted on two sides of the bottom of each sliding block respectively, a concave plate is connected between the tops of the two sliding blocks in a sliding manner, and a second crank is fixedly connected to one end of the bidirectional threaded rod.

In a preferred embodiment, the bottom of the vertical plate is fixedly arranged at the top of the base, and one side of the connecting plate is fixedly arranged at one side of the sliding plate close to the chassis.

As a preferred embodiment, the inner surface of the brake is movably connected with a soft rope, the other end of the soft rope is fixedly connected with an iron rod, and both sides of the top of the base are in threaded connection with horizontal screws.

As a preferred embodiment, one side of the concave plate is fixedly installed on the outer surface of the vertical rod, the other end of the bidirectional threaded rod penetrates through the outer surface of the vertical rod, and the other end of the bidirectional threaded rod is rotatably connected inside the vertical rod.

As a preferred embodiment, the bottom of funnel and the top swing joint of disc, the bottom size of funnel and the big or small looks adaptation of iron set, the bottom fixed connection of iron set is at the top of disc, the internal surface swivelling joint of funnel has the bull stick, and the other end of bull stick extends to the outside of funnel, the skin weld of bull stick has two semicircle leaves, and the internal surface radius size looks adaptation of the radius size of two semicircle leaves and funnel.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. in the utility model, the first crank handle is rotated by hand to drive the funnel to move upwards, so that the non-cohesive soil in the funnel gradually falls down onto the disc, the sample does not need to be manually poured along the periphery of the iron rod by a small spoon, the first crank handle is used instead, the sample is poured by lifting the height of the funnel, the working efficiency is improved, the operation is simpler, when the non-cohesive soil on the disc is in a cone shape and completely coincides with the bottom of the disc, the rotating rod can be rotated to drive the semicircular blade to seal the funnel, the outflow time and the stop time of the funnel can be controlled, the soft rope is pulled upwards by the brake after the gear is fixed, the disc slowly rises, the height of the cone-shaped non-cohesive soil on the disc is measured according to the scale on the iron rod, the funnel can be slowly lifted from the disc by the lifting mechanism, the falling speed and the falling range of the non-cohesive soil are ensured, and the final measuring result is not accurate due to the friction between the non-cohesive soil in the disc and the non-cohesive soil outside the disc, the measurement accuracy is improved.

2. According to the utility model, when the non-cohesive soil is conical on the disc, the second crank handle can be rotated to drive the bidirectional threaded rod to rotate so as to drive the sliding block to move towards the center, at the moment, the sliding block moves on the inner surface of the concave plate, the sliding block cannot rotate due to the limiting effect, meanwhile, the movement of the sliding block can drive the friction block to move, the gear is slowly clamped tightly, the gear is kept in a fixed state through the double friction force of the thread and the friction block, the reverse rotation cannot occur, the funnel is fixed, the funnel is prevented from falling down, the stability of the device is improved, and the measuring precision is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a rapid repose angle measuring device according to the present invention;

FIG. 2 is a side sectional view of a rapid repose angle gauge according to the present invention;

FIG. 3 is a schematic view of a portion of the position A in FIG. 1;

fig. 4 is a top cross-sectional view of a funnel in a rapid angle of repose meter according to the present invention.

Fig. 5 is a flowchart of a method for rapidly determining an angle of repose according to the present invention.

Fig. 6 is a flow chart of a supplementary solution of a method for rapidly determining an angle of repose according to the present invention.

Illustration of the drawings:

1. a base; 2. a chassis; 3. a disc; 4. a fixed block; 5. a vertical rod; 6. a lifting mechanism; 601. a vertical plate; 602. a slide plate; 603. a connecting plate; 604. a gear; 605. a first crank; 606. an L-shaped rod; 607. a funnel; 608. a rotating rod; 609. a semicircular leaf; 7. a fixing mechanism; 701. a bidirectional threaded rod; 702. a slider; 703. a concave plate; 704. a friction block; 705. a second crank; 8. a hollow cylinder; 9. a U-shaped plate; 10. a brake; 11. a flexible cord; 12. an iron rod; 13. a horizontal screw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an angle of repose spot test appearance, the on-line screen storage device comprises a base 1, top one side fixed mounting of base 1 has chassis 2, the inner wall bottom swing joint on chassis 2 has disc 3, the welding of base 1's top opposite side has fixed block 4, the welding of fixed block 4's top has montant 5, base 1's top fixed mounting has hoist mechanism 6, the fixed surface of montant 5 installs fixed establishment 7, the outer skin weld of montant 5 has hollow cylinder 8, the fixed surface of hollow cylinder 8 installs U template 9, there is stopper 10 one side of U template 9 through bearing swivelling joint.

The lifting mechanism 6 comprises a vertical plate 601, a sliding groove is formed in the rear surface of the vertical plate 601, a sliding plate 602 is connected to the inner surface of the sliding groove in a sliding mode, an inner groove is formed in one side, close to the chassis 2, of the vertical plate 601, a connecting plate 603 is connected to the inner surface of the inner groove in a sliding mode, an L-shaped rod 606 is fixedly installed at the top of the base 1, a gear 604 is rotatably connected to the other end of the L-shaped rod 606, a first crank 605 is fixedly installed on the other side of the gear 604, and a funnel 607 is fixedly installed on the other side of the connecting plate 603.

The fixing mechanism 7 comprises a bidirectional threaded rod 701, two sliding blocks 702 are sleeved on the outer surface threads of the bidirectional threaded rod 701, friction blocks 704 are fixedly mounted on two sides of the bottom of the two sliding blocks 702 respectively, a concave plate 703 is connected between the tops of the two sliding blocks 702 in a sliding mode, a second crank 705 is fixedly connected to one end of the bidirectional threaded rod 701, the gear 604 can be fixed through the fixing mechanism 7, and the gear 604 is prevented from rotating reversely under the driving of the sliding plate 602.

The bottom fixed mounting of riser 601 is at the top of base 1, and one side fixed mounting of connecting plate 603 is in the one side that slide 602 is close to chassis 2 for slide 602 can drive connecting plate 603 when upwards moving and remove, and then can drive funnel 607 upwards moving.

Stopper 10's internal surface swing joint has soft rope 11, and soft rope 11's the other end fixedly connected with iron set 12, the equal threaded connection in top both sides of base 1 has horizontal screw 13, and usable stopper 10 promotes soft rope 11, and soft rope 11 promotes iron set 12, and simultaneously, horizontal screw 13 has guaranteed that base 1 is in the horizontality.

One side fixed mounting of concave mould board 703 is at the surface of montant 5, and the other end of two-way threaded rod 701 runs through the surface of montant 5, and the other end swivelling joint of two-way threaded rod 701 has guaranteed the stability of concave mould board 703 in the inside of montant 5, also ensures that two-way threaded rod 701 can the steady rotation simultaneously.

The bottom of funnel 607 and the top swing joint of disc 3, the bottom size of funnel 607 and the size looks adaptation of iron set 12, the bottom fixed connection of iron set 12 is at the top of disc 3, the internal surface swivelling joint of funnel 607 has bull stick 608, and the other end of bull stick 608 extends to the outside of funnel 607, the skin weld of bull stick 608 has two semicircle leaves 609, and the radius size of two semicircle leaves 609 and the internal surface radius size looks adaptation of funnel 607, when there is not cohesive soil at the top of disc 3 to be the taper, the accessible rotates bull stick 608, it seals the funnel to drive semicircle leaf 609, improve the funnel once more this moment, when guaranteeing that iron set 12 drives disc 3 rebound, can make the top that the taper does not have cohesive soil and the bottom distance of funnel 607 have about 1 centimetre.

A method for rapidly measuring an angle of repose, comprising the steps of:

s901: pouring the non-cohesive soil to be measured into a funnel 607;

s902: slowly rotating a first crank 605, wherein the first crank 605 drives a gear 604 to rotate, the gear 604 drives a sliding plate 602 to move upwards on the inner surface of the sliding chute, the sliding plate 602 drives a connecting plate 603 to move upwards, the connecting plate 603 drives a hopper 607 to move upwards, and non-cohesive soil in the hopper 607 slowly flows out to the top of the disc 3;

s903: after the non-cohesive soil on the top of the disc 3 is conical and the bottom of the non-cohesive soil is completely overlapped with the bottom of the disc 3, rotating the rotating rod 608 to drive the semicircular blade 609 to seal the hopper 607;

s904: rotating the first crank 605 again to raise the funnel 607, fixing the gear 604, rotating the brake 10 again, wherein the brake 10 lifts the flexible rope 11, the flexible rope 11 lifts the iron rod 12, and the iron rod 12 drives the disc 3 to move upwards, so that the conical non-cohesive soil on the top of the disc 3 is in a normal state and can keep a distance of about 1 cm from the bottom of the funnel 607;

s9041: rotating a second crank 705, wherein the second crank 705 drives a bidirectional threaded rod 701 to rotate, the bidirectional threaded rod 701 drives a sliding block 702 to move towards the center, the outer surface of the sliding block 702 slides on the inner surface of a concave plate 703, and the sliding block 702 cannot rotate when moving;

s9042: when the sliding block 702 moves, the friction block 704 is driven to move, the gear 604 is slowly squeezed, the gear 604 is fixed by double friction force of the thread and the friction block 704, the reverse rotation cannot be caused by the driving of the sliding plate 602, and the fixed state of the funnel 607 is maintained;

s905: the height of the conical non-cohesive soil is measured through the scales on the iron rod 12.

The working principle of the embodiment is as follows: when the repose angle rapid measuring instrument is used, firstly, according to the illustration in fig. 1, fig. 2 and fig. 4, the non-cohesive soil to be measured is poured into the funnel 607, then the first crank 605 is rotated slowly, the first crank 605 drives the gear 604 to rotate, the gear 604 drives the sliding plate 602 to move upwards on the inner surface of the chute, the sliding plate 602 drives the connecting plate 603 to move upwards, the connecting plate 603 drives the funnel 607 to move upwards, the non-cohesive soil in the funnel 607 can flow out to the top of the disc 3 slowly, in the flowing-out process, the non-cohesive soil can not fall to the outside of the disc 3, after the non-cohesive soil on the top of the disc 3 is in a cone shape and the bottom is completely overlapped with the bottom of the disc 3, the rotating rod 608 is rotated to drive the semi-circular blade 609 to seal the funnel 607, at this moment, the first crank 605 is rotated again to raise the funnel 607, then the gear 604 is fixed, and then the brake 10 is rotated, the brake 10 can lift the soft rope 11, the soft rope 11 lifts the iron rod 12, the iron rod 12 drives the disc 3 to move upwards, so that the conical non-cohesive soil at the top of the disc 3 is in a normal state and can keep a distance of about 1 cm from the bottom of the funnel 607, and the height of the conical non-cohesive soil is measured through the scales on the iron rod 12 at the moment, so that the method is accurate;

meanwhile, as shown in fig. 2 and 3, when the gear 604 needs to be fixed, the second crank 705 can be rotated, the second crank 705 drives the bidirectional threaded rod 701 to rotate, the bidirectional threaded rod 701 can drive the sliding block 702 to move towards the center, because the outer surface of the sliding block 702 slides on the inner surface of the concave plate 703, the sliding block 702 cannot rotate when moving, and can normally move, and when the sliding block 702 moves, the sliding block 702 can drive the friction block 704 to move, so that the gear 604 is slowly squeezed and pressed, because of the double friction force of the threads and the friction block 704, the gear 604 is fixed and cannot be driven by the sliding plate 602 to reversely rotate, so that the fixed state of the funnel 607 is maintained, the accurate height of the conical non-sticky soil at the top of the disc 3 can be conveniently measured, and the measurement accuracy of the repose angle is ensured.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. The rapid repose angle tester is characterized by comprising a base, wherein a chassis is fixedly installed on one side of the top of the base, a disc is movably connected to the bottom of the inner wall of the chassis, a fixed block is welded on the other side of the top of the base, a vertical rod is welded on the top of the fixed block, a lifting mechanism is fixedly installed on the top of the base, and a fixing mechanism is fixedly installed on the outer surface of the vertical rod; the outer surface of the vertical rod is welded with a hollow cylinder;

the lifting mechanism comprises a vertical plate, a sliding groove is formed in the rear surface of the vertical plate, a sliding plate is connected to the inner surface of the sliding groove in a sliding mode, an inner groove is formed in one side, close to the chassis, of the vertical plate, a connecting plate is connected to the inner surface of the inner groove in a sliding mode, an L-shaped rod is fixedly mounted at the top of the base, and a funnel is fixedly mounted on the other side of the connecting plate.

2. The rapid angle of repose meter according to claim 1, wherein: the bottom fixed mounting of riser is in the top of base, one side fixed mounting of connecting plate in the slide is close to one side of chassis.

3. The rapid angle of repose meter according to claim 1, wherein: the other end of the L-shaped rod is rotatably connected with a gear, and a first crank is fixedly mounted on the other side of the gear.

4. The rapid angle of repose meter according to claim 1, wherein: fixing mechanism includes the two-way threaded rod, the surface screw thread cover of two-way threaded rod is equipped with the slider, the quantity of slider is two, and is located respectively the both ends of two-way threaded rod, two the bottom of slider is fixed mounting respectively has the clutch blocks, two sliding connection has concave board between the slider, the one end fixedly connected with second crank of two-way threaded rod.

5. The rapid angle of repose meter according to claim 1, wherein: the outer surface of the hollow cylinder is fixedly provided with a U-shaped plate, and one side of the U-shaped plate is rotatably connected with a brake through a bearing.

6. The rapid angle of repose meter according to claim 5, wherein: the inner surface swing joint of stopper has the flexible rope, the flexible rope is kept away from the one end fixedly connected with iron set of stopper, the equal threaded connection in top both sides of base has horizontal screw.

7. The rapid angle of repose meter according to claim 6, wherein: the bottom of funnel with the top swing joint of disc, the bottom of funnel with iron set looks adaptation, the bottom fixed connection of iron set is in the top of disc, the internal surface swivelling joint of funnel has the bull stick, the bull stick is kept away from the one end of funnel extends to the outside of funnel, the skin weld of bull stick has the semicircle leaf, the quantity of semicircle leaf is two, and two the radius size of semicircle leaf with the internal surface radius size looks adaptation of funnel.

8. The rapid angle of repose meter according to claim 4, wherein: one side fixed mounting of concave template is in the surface of montant, two-way threaded rod is kept away from the one end of second crank runs through the surface of montant, just two-way threaded rod is kept away from the one end swivelling joint of second crank is in the inside of montant.

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