CN213239778U - Debris flow soil body shear strength in-situ measurement device - Google Patents

Abstract

The utility model discloses a debris flow soil body shear strength normal position measuring device, including four end to end's sectional shelf-units, the angle lantern ring and twist grip, support one end be equipped with arc and lead to groove and the other end and be equipped with the arc picture peg, wherein insert arc through groove inside and wear ground fixed position through ground stock between two adjacent supports through the arc picture peg, all be equipped with a backup pad and two backup pad central point between two sets of relative supports in addition and put the department and rotate through the pivot and connect, pivot top be equipped with the piston cylinder, the piston rod top of piston cylinder be connected with the clamp plate, support central point put the department and seted up the through-hole, the inside hollow sleeve that passes of through-hole, the inside spliced pole that passes of sleeve. The device can carry out the shear test of four positions of a test point department once only, when improving measurement of efficiency, still has better stability, has guaranteed measured data's accurate reliability.

Description

Debris flow soil body shear strength in-situ measurement device

Technical Field

The utility model relates to a mud-rock flow monitoring facilities technical field, more specifically say, relate to a mud-rock flow soil body shear strength normal position measuring device.

Background

The soil body in-situ measurement is one of important means for geotechnical engineering investigation, measures the engineering mechanical property index of the rock and soil under the condition that the original position of the rock and soil keeps the basic natural structure, natural water content and natural stress state, and mainly comprises a plurality of measurement methods such as static sounding, cross plate shearing, dynamic sounding, side pressure experiment, static load experiment, field direct shearing experiment, rock and soil stress experiment, rock and soil wave velocity test and the like, wherein most of the cross plate shearing measurement methods adopt a hand-operated shearing instrument, the positioning is not accurate enough, the stability is not high, the operation is complex, and the measurement efficiency and the accuracy and reliability of the measurement are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a debris flow soil body shear strength normal position measuring device, the device can once only carry out the shear test of four positions of a test point department, when improving measurement of efficiency, still has better stability, has guaranteed measured data's accurate reliability.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a shear strength in-situ measurement device for a debris flow soil body comprises four combined supports, angle lantern rings and a rotating handle which are connected end to end, wherein one end of each support is provided with an arc-shaped through groove, the other end of each support is provided with an arc-shaped plugboard, two adjacent supports are inserted into the arc-shaped through grooves through the arc-shaped plugboards and penetrate through ground anchor rods to form fixed positions, a support plate is arranged between the two opposite sets of supports, the central positions of the two support plates are rotatably connected through a rotating shaft, a piston cylinder is arranged above the rotating shaft, a pressing plate is connected above a piston rod of the piston cylinder, a through hole is formed in the central position of each support, a hollow sleeve penetrates through the inside of the through hole, a connecting column penetrates through the inside of the sleeve, a cross plate head is fixedly welded below the connecting column, a rotating head is machined, the locating lever outer end pass through inside the nut imbeds the locating plate, the locating plate inside seted up vertical stable logical groove and the locating lever pass and stabilize logical inslot portion and slide from top to bottom in stable logical inslot portion.

Furthermore, the piston cylinder is driven by air pressure or hydraulic pressure.

Furthermore, the central position of the pressure plate is provided with a connecting panel and the periphery of the pressure plate is provided with a rectangular pressure applying panel extending outwards, and the pressure applying panels are respectively pressed above the positioning rods on the outer side surfaces of the corresponding side sleeves.

Further, sleeve and spliced pole on all seted up the through-hole and pass the position of through-hole at the inside fixed connection post of sleeve through the round pin axle.

Furthermore, the angle lantern ring suit is peripheral and angle lantern ring upper surface is equipped with the angle scale mark at the sleeve, turning handle central point department be equipped with rotate head shape and size matched with draw-in groove.

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

the utility model discloses a piston cylinder drives the clamp plate and pushes down and impresses four cross slab heads into soil body test depth department and rotate the cross slab head through turning handle, carries out cross slab shear test, can once only carry out the shear test of four positions of a test point department, when improving measurement of efficiency, still has better stability, has guaranteed measured data's accurate reliability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the angle sleeve ring and the rotating handle of the present invention;

in the figure: 1. a support; 2. a ground anchor rod; 3. positioning a plate; 4. a through groove; 5. a cross head; 6. connecting columns; 7. a sleeve; 8. a pin shaft; 9. a support plate; 10. a piston cylinder; 11. an angle collar; 12. the handle is rotated.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figures.

As shown in figures 1 and 2, a shear strength in-situ measurement device for a debris flow soil body comprises four combined supports 1 connected end to end, an angle lantern ring 11 and a rotating handle 12, wherein one end of each support 1 is provided with an arc-shaped through groove, the other end of each support 1 is provided with an arc-shaped plugboard, two adjacent supports 1 are inserted into the arc-shaped through grooves through the arc-shaped plugboards and penetrate through ground anchor rods 2 to be fixed in positions, a support plate 9 is arranged between the other two groups of opposite supports 1, the central positions of the two support plates 9 are rotatably connected through a rotating shaft, a piston cylinder 10 is arranged above the rotating shaft, a pressure plate is connected above a piston rod of the piston cylinder 10, a through hole is arranged at the central position of each support 1, a hollow sleeve 7 penetrates through the inside of the through hole, a connecting column 6 penetrates through the inside of the sleeve 7, a cross, the locating lever outer end is embedded into locating plate 3 inside through the nut, 3 inside vertical stable logical groove 4 and locating lever of seting up of locating plate pass stable logical groove 4 inside and slide from top to bottom in stable logical groove 4 inside, piston cylinder 10 adopts atmospheric pressure or hydraulic drive, clamp plate central point puts the rectangle panel of exerting pressure that department is connection panel and is outside extension all around, the panel of exerting pressure presses the locating lever top at corresponding side sleeve lateral surface respectively, all set up the through-hole on sleeve 7 and the spliced pole 6 and pass the position of through-hole at sleeve 7 inside fixed connection post 6 through round pin axle 8, 11 suits of angle lantern ring are equipped with the angle scale mark at sleeve 7 periphery and 11 upper surfaces of angle lantern ring, the position department of rotating handle 12 central point is equipped with the draw-in groove with rotating head.

In practical use, according to the actual ground shape measurement requirement, the included angle between adjacent brackets 1 is changed, the positions of a sleeve 7 and a connecting column 6 are adjusted, the connecting column 6 is fixed in the sleeve 7 through an inserted pin shaft 8, the device is fixed on the soil body in the test point region through a ground anchor rod 2 inserted into the ground of the soil body, then a pressing plate with a proper shape is selected to ensure that rectangular pressing panels are all carried above corresponding side positioning rods to realize pressing operation, then a power supply source of a piston cylinder 10 is connected through a circuit, the piston rod is started to move downwards to drive the pressing plate to press downwards, the sleeve 7 and the connecting column 6 are driven to move downwards, a cross plate head 5 is pressed into the depth position of the tested soil body and stands for about three minutes, an angle lantern ring 11 is sleeved on the periphery of the sleeve 7, and meanwhile, a rotating handle 12 is used for being nested at the rotating head position of the connecting, the four connecting columns 6 are respectively rotated by two hands to drive the cross plate head 5 to rotate, a cross plate shearing test is carried out, a test result is recorded by the force measuring device, the through groove 4 of the positioning plate 3 can ensure that the sleeve 7 moves downwards along a straight line, and the stability is improved.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. 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 (5)

1. The utility model provides a device that debris flow soil body shear strength normal position was measured which characterized in that: comprises four combined supports connected end to end, an angle lantern ring and a rotating handle, wherein one end of each support is provided with an arc through groove, the other end of each support is provided with an arc plugboard, two adjacent supports are inserted into the arc through grooves through the arc plugboards and penetrate through a ground anchor rod to be fixed in position, a support plate is arranged between the two opposite supports, the central positions of the two support plates are rotationally connected through a rotating shaft, a piston cylinder is arranged above the rotating shaft, a pressing plate is connected above a piston rod of the piston cylinder, a through hole is arranged at the central position of each support, a hollow sleeve penetrates through the through hole, a connecting column penetrates through the sleeve, a cross plate head is welded and fixed below the connecting column, a rotating head is processed above the cross plate head, a positioning rod is fixed on the outer side surface of the sleeve, and the outer end of the, the locating plate inside seted up vertical stable logical groove and locating lever and passed and stabilize logical inslot portion and slide from top to bottom in stabilizing logical inslot portion.

2. The apparatus of claim 1, wherein the shear strength of the debris flow soil is measured in situ by: the piston cylinder is driven by air pressure or hydraulic pressure.

3. The apparatus of claim 1, wherein the shear strength of the debris flow soil is measured in situ by: the central position of the pressure plate is provided with a connecting panel and a rectangular pressure applying panel which extends outwards at the periphery, and the pressure applying panels are respectively pressed above the positioning rods on the outer side surfaces of the corresponding side sleeves.

4. The apparatus of claim 1, wherein the shear strength of the debris flow soil is measured in situ by: the sleeve and the connecting column are provided with through holes, and the position of the connecting column is fixed in the sleeve by penetrating through the through holes through a pin shaft.

5. The apparatus of claim 1, wherein the shear strength of the debris flow soil is measured in situ by: the angle lantern ring suit is peripheral and angle lantern ring upper surface is equipped with the angle scale mark at the sleeve, turning handle central point put and be equipped with the draw-in groove that rotates head shape and size matched with.

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