CN213596956U - Novel power cone penetrometer - Google Patents

Abstract

The application relates to a novel power cone penetrometer, belonging to the field of in-situ test of soil; the supporting device comprises a supporting plate and a plurality of supporting legs hinged below the supporting plate, wherein the supporting legs are uniformly distributed around the circle center of the supporting plate; a through hole is formed in the center of the supporting disc, a penetration rod penetrates through the through hole, and a conical head is arranged at the lower end of the penetration rod; the part of the penetration rod above the supporting plate is fixedly connected with a stress part, an annular heavy hammer sleeved on the penetration rod is arranged above the stress part, and the annular heavy hammer moves up and down along the penetration rod. This application has the perpendicular penetration of the pole of keeping penetrating, avoids the impaired serious effect that gets of conical head, still has the effect of convenient operation simultaneously.

Description

Novel power cone penetrometer

Technical Field

The application relates to the field of in-situ tests of soil, in particular to a novel power cone penetrometer.

Background

The dynamic cone penetrometer can be used for rapidly measuring or evaluating the strength of a roadbed and a road surface on site. At present, the relation between the penetration value and the corresponding soil property index, such as the modulus of resilience, CBR, unconfined compressive strength and the like, is accumulated in use abroad.

However, the conventional penetrometer adopts a manual loading mode in the using process, and the force cannot be controlled by manpower in the using process, so that the penetration force in the test is uneven; meanwhile, the vertical penetration into the soil body in the test process is difficult to ensure, so that the damage to the penetration cone is large; moreover, the traditional penetrometer needs three to four people to finish the operation, and consumes a large amount of physical energy in the process of lifting the drop hammer for many times, which is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to make the dynamics of penetrating more even among the test process, improve the convenience that the penetrometer used, this application provides a novel power awl penetrometer.

The application provides a novel power awl penetrometer adopts following technical scheme:

a novel power cone penetrometer comprises a supporting disk and a plurality of supporting legs hinged below the supporting disk, wherein the supporting legs are uniformly distributed around the circle center of the supporting disk;

a through hole is formed in the center of the supporting disc, a penetration rod penetrates through the through hole, and a conical head is arranged at the lower end of the penetration rod;

the part of the injection rod above the supporting plate is fixedly connected with a stress part, and an annular heavy hammer sleeved on the injection rod is arranged above the stress part and is in sliding fit with the injection rod.

Through adopting above-mentioned technical scheme, the supporting leg is articulated with the supporting disk, adjust the horizontal angle of supporting disk, make the supporting disk be in the horizontally state, the injection pole passes the through-hole on the supporting disk, so the supporting disk supports the injection pole, make the injection pole keep the vertically state, when carrying out the evaluation work, with annular weight rebound, remove suitable high back, loosen annular weight, annular weight whereabouts under the gravity of self, strike stress portion, and stress portion fixed connection is on the injection pole, so annular weight is to the injection pole application of force, make the conical head that injects the pole lower extreme get into in the road bed or the road surface that awaits measuring, thereby the completion is to the measurement of road bed or road surface intensity. The measured in-process does not need the manual work to the penetrating rod application of force to avoid because artifical application of force is inhomogeneous, influence the result of appraisal, the penetrating rod keeps the vertically state under the support of supporting disk, and then makes in the vertical road bed or the road surface that gets into the awaiting measuring of conical head, thereby reduce the damage probability to the conical head, increase the availability factor of conical head.

Preferably, the whole stressed portion is conical, and the tip of the stressed portion faces the supporting plate.

Through adopting above-mentioned technical scheme, conical atress portion gathers the power that receives, makes on the better transmission of the power that atress portion received penetrates the pole, conical atress portion structure is more stable simultaneously, avoids atress portion to produce under the striking of annular weight and warp to reduce the influence that causes the assessment result.

Preferably, the upper end of the penetration rod is sleeved with a threaded rod, and the threaded rod rotates along the axis direction of the threaded rod;

the threaded rod is sleeved with a clamp matched with the thread of the threaded rod, the clamp clamps the annular heavy hammer, and the annular heavy hammer moves along with the clamp.

Through adopting above-mentioned technical scheme, anchor clamps do not rotate along with the threaded rod when rotating the threaded rod, so the threaded rod rotates and makes anchor clamps upwards remove, does not need the manual work to remove annular weight to reduce the consumption of physical stamina, improve the efficiency of work.

Preferably, the upper end of the threaded rod is fixedly connected with a stress rod transversely penetrating through the threaded rod.

Through adopting above-mentioned technical scheme, more conveniently through the atress pole to the screw rod application of force, and then conveniently rotate the threaded rod, further reduce physical energy and consume, improve simultaneously and rotate threaded rod ground speed, further improve the efficiency of appraisal work.

Preferably, a limiting plate is fixedly connected to the circumferential surface of the penetration rod, and the length direction of the limiting plate is the same as that of the penetration rod;

limiting grooves matched with the limiting plates are formed in the supporting disc and the annular heavy hammer;

two clamping grooves are formed in the lower surface of the annular heavy hammer, and the clamping plate is clamped into the clamping grooves.

Through adopting above-mentioned technical scheme, the cooperation of limiting plate and spacing groove avoids taking place relative rotation between injection rod and the supporting disk, takes place relative rotation between annular weight and the injection rod, and annular weight carries out the joint to the cardboard through the draw-in groove, and then makes anchor clamps can not rotate along with the threaded rod, does not need additionally to block anchor clamps application of force to anchor clamps, and it is exactly that anchor clamps can not rotate along with anchor clamps, and then makes the use of injection appearance more convenient.

Preferably, the supporting leg comprises a telescopic rod hinged to the lower surface of the supporting plate and a supporting rod sleeved at the lower end of the telescopic rod;

the round hole has been seted up to the upper end of bracing piece, and the lower extreme of telescopic link stretches into the round hole, and stretches out and draws back in the round hole, and threaded connection has fixing bolt on the bracing piece, and fixing bolt's end stretches into the downthehole butt of round on the periphery of telescopic link.

Through adopting above-mentioned technical scheme, the cooperation of telescopic link and bracing piece realizes the flexible of supporting leg, and telescopic link and supporting disk are articulated to better adjusting the supporting disk, adjusting the supporting disk to the ground state of level more conveniently.

Preferably, a level gauge is fixedly connected to the upper surface of the supporting disc.

Through adopting above-mentioned technical scheme, when adjusting the supporting disk, observe through the spirit level whether the supporting disk is in the horizontally state to more quick adjust the horizontally state with the supporting disk.

Preferably, a vertical graduated scale is embedded on the circumferential surface of the penetration rod.

Through adopting above-mentioned technical scheme, know the degree of depth that the injection pole penetrated through the scale, and then the more quick degree of depth of knowing the penetration, the degree of depth that penetrates to needs can stop, and is more convenient, improves the efficiency of work.

Preferably, one end of the supporting rod, which is contacted with the roadbed or the road surface to be detected, is fixedly connected with a dome.

Through adopting above-mentioned technical scheme, the bracing piece has the contained angle with between the road bed or the road surface that awaits measuring to make the bracing piece slope support on road bed or road surface, the calotte makes the better support of bracing piece on road bed or road surface, makes things convenient for the penetrometer to place on road bed or road surface.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting disc supports the injection rod, so that the injection rod is kept in a vertical state, a stress part is fixedly connected to the injection rod, and an annular heavy hammer which moves up and down is further sleeved on the injection rod;

2. the top cover of injection pole is equipped with the threaded rod, and the threaded rod rotates along the axis of self, and the cover is equipped with rather than screw-thread fit's anchor clamps on the threaded rod, and anchor clamps carry out the centre gripping to annular weight, and then make annular weight rise along with anchor clamps, rise to certain high back, and annular weight is loosened to anchor clamps, and annular weight whereabouts, through the more convenient removal weight of the cooperation of anchor clamps and threaded rod.

Drawings

FIG. 1 is the overall structure of the penetrometer in the example.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a support disc; 11. a through hole; 12. a level gauge; 13. a limiting groove; 2. supporting legs; 21. a telescopic rod; 22. a support bar; 23. a circular hole; 24. fixing the bolt; 25. a dome; 3. penetrating a rod; 31. a force receiving portion; 32. an annular heavy hammer; 33. a conical head; 34. a limiting plate; 35. a card slot; 36. a graduated scale; 4. a threaded rod; 41. a stress beam; 5. a clamp; 51. a transverse plate; 52. a splint; 53. a groove; 54. a horizontal axis; 55. and (4) clamping the board.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses novel power awl penetrometer. Referring to fig. 1, the penetrometer comprises a supporting plate 1 and a plurality of supporting legs 2 hinged to the lower surface of the supporting plate 1, wherein the supporting legs 2 are uniformly distributed around the center of a circle of the supporting plate 1; the supporting legs 2 are supported on a roadbed or a road surface to be detected, so that the supporting legs 2 support the supporting disc 1. Meanwhile, the supporting legs 2 are hinged to the supporting disc 1, so that the height and the gradient of the supporting disc 1 can be adjusted by adjusting the opening degree of the supporting legs 2, and the supporting disc 1 can be kept in a horizontal state. A through hole 11 is formed in the center of the supporting plate 1, and a penetrating rod 3 is inserted into the through hole 11; the penetration rod 3 is kept in a vertical state under the action of the support plate 1, so that when the penetration rod 3 is idle, the damage of the penetration rod 3 caused by inclination can be reduced; when the test tool is used, the penetrating rod 3 can vertically enter the roadbed or the road surface to be tested only by applying force to the upper end of the penetrating rod 3, so that the test and evaluation work is completed.

Referring to fig. 1 and 2, the supporting leg 2 comprises an expansion link 21 hinged to the lower surface of the supporting disc 1 and a supporting rod 22 sleeved on the expansion link 21, and one end of the expansion link 21, which is far away from the supporting disc 1, extends into a circular hole 23 of the supporting rod 22 and can slide in the circular hole 23; the outer wall of the support rod 22 is connected to a fixing bolt 24 along a radial thread at a position close to the opening end of the circular hole 23, and the end of the fixing bolt 24 with the thread penetrates through the outer wall of the support rod 22 and extends into the circular hole 23, so as to abut against the circumferential surface of the telescopic rod 21 in the support rod 22. After the telescopic rod 21 is adjusted in place in a telescopic mode, the fixing bolt 24 is rotated, the fixing bolt 24 is abutted to the telescopic rod 21, the telescopic rod 21 is fixed, and the telescopic rod 21 is prevented from sliding relative to the supporting rod 22 to enable the length of the whole supporting leg 2 to change.

Through the articulated relation of telescopic link 21 and supporting disk 1 and the relative sliding relation between telescopic link 21 and bracing piece 22, can adjust the levelness of supporting disk 1 more conveniently. One end of the supporting rod 22, which is in contact with the roadbed or the road surface to be detected, is fixedly connected with a dome 25, the supporting rod 22 is obliquely supported on the roadbed or the road surface, and the dome 25 can be more suitable for various roadbeds or road surfaces with good road conditions or complex road conditions compared with a flat top.

Referring to fig. 1, the upper surface of the supporting plate 1 is also fixedly connected with a level 12, and when the supporting plate 1 is adjusted, the current state of the supporting plate 1 can be observed more intuitively through the level 12, so that the supporting plate 1 can be adjusted more quickly and accurately, and the work efficiency is improved.

Referring to fig. 1 and 2, a stress portion 31 is fixedly connected to a portion of the penetration rod 3 above the support plate 1, an annular weight 32 sleeved on the penetration rod 3 is arranged above the stress portion 31, the annular weight 32 can move up and down along the penetration rod 3, when the evaluation work is performed, the annular weight 32 moves up, after the annular weight 32 rises to a certain height, the annular weight 32 is loosened, and the annular weight 32 falls under the action of gravity to impact the stress portion 31, so that the force application to the penetration rod 3 is completed. Under the action of the annular weight 32, the penetrating rod 3 is inserted into the roadbed or road surface to be detected. In order to facilitate the insertion of the penetration rod 3 into the roadbed or road surface to be measured, a conical head 33 is fixedly connected or integrally formed at the lower end of the penetration rod 3.

Referring to fig. 2, the stress portion 31 is conical, and has a higher deformation resistance than the disk shape, so that the influence of deformation on the evaluation result can be reduced.

Referring to fig. 1, a threaded rod 4 is sleeved at the upper end of the penetration rod 3, the threaded rod 4 can rotate along the axis of the threaded rod 4, a clamp 5 matched with the threaded rod 4 in a threaded manner is arranged on the threaded rod 4, and the clamp 5 can clamp the annular heavy hammer 32; rotating threaded rod 4, restriction anchor clamps 5 do not rotate along with threaded rod 4 simultaneously, make anchor clamps 5 drive annular weight 32 and rise, compare artifical direct to annular weight 32 application of force, it is more convenient, can also reduce the consumption of physical power.

Referring to fig. 1, the upper end of the threaded rod 4 is fixedly connected with a stress rod 41 transversely penetrating the threaded rod 4, the stress rod 41 can more conveniently apply force to the threaded rod 4, the threaded rod 4 can be rotated more easily, and therefore the threaded rod 4 can be more conveniently and more labor-saving to be driven to rotate, and the work efficiency is improved.

Referring to fig. 1 and 2, the clamp 5 includes a transverse plate 51 sleeved on the threaded rod 4 and clamping plates 52 arranged at two ends of the transverse plate 51, and the transverse plate 51 is in threaded fit with the threaded rod 4; grooves 53 are formed in two ends of the transverse plate 51, a transverse shaft 54 is fixedly connected in each groove 53, one end, close to the transverse plate 51, of the clamping plate 52 is located in each groove 53 and sleeved on the transverse shaft 54, and therefore the clamping plate 52 can swing along the axis of the transverse shaft 54; two splint 52 keep away from on the mutual lateral wall that is close to of diaphragm 51 one end homogeneous body shaping have cardboard 55, cardboard 55 and splint 52 are the L type, and cardboard 55 can laminate with annular weight 32's lower surface, so splint 52 and cardboard 55's cooperation can carry out the centre gripping to annular weight 32.

Referring to fig. 2, a limit plate 34 is fixedly connected to the circumferential surface of the penetration rod 3, the length direction of the limit plate 34 is the same as the length direction of the penetration rod 3, and two ends of the limit plate 34 respectively protrude from the upper surface of the annular weight 32 and the lower surface of the support plate 1; the supporting disc 1 and the annular heavy hammer 32 are both provided with a limiting groove 13 matched with the limiting plate 34, the limiting plate 34 is positioned in the limiting groove 13, and the limiting plate 34 and the limiting groove 13 are matched with each other, so that the penetration rod 3 and the annular heavy hammer 32 cannot rotate, and the penetration rod 3 and the annular heavy hammer 32 can only move up and down; the lower surface of the annular weight 32 is provided with a clamping groove 35 capable of accommodating the clamping plate 55, and the clamping plate 55 and the annular weight 32 can be clamped together by the matching of the clamping groove 35 and the clamping plate 55; therefore, when the threaded rod 4 is rotated, the clamp 5 can not rotate along with the threaded rod 4 without an additional blocking structure, and the penetrometer is convenient to use.

Referring to fig. 1, still inlay on the periphery of penetration pole 3 and be equipped with scale 36, can more audio-visually observe the degree of depth that penetration pole 3 stretched into through scale 36, need not go to calculate the degree of depth that penetration pole 3 stretched into, convenient and fast more improves the efficiency of work.

The implementation principle of the novel power cone penetrometer in the embodiment of the application is as follows: support rod 22 in supporting leg 2 places the road bed or the road surface that awaits measuring, support supporting disk 1, adjust the length and the gradient of supporting leg 2 simultaneously and make supporting disk 1 keep the horizontally state, then insert injection rod 3 in through-hole 11 on supporting disk 1, overlap annular weight 32 on injection rod 3, threaded rod 4 overlaps the upper end at injection rod 3, rotate threaded rod 4 through atress pole 41, control and 4 threaded rod's of threaded rod anchor clamps 5 descend, make splint 52 can carry out the centre gripping to annular weight 32, then reverse rotation threaded rod 4, make anchor clamps 5 rise, and then drive annular weight 32 and rise, then anchor clamps 5 loosen no longer centre gripping annular 32, annular weight 32 descends, strike stress part 31. The stressed part 31 after the impact can drive the penetration rod 3 to penetrate into the roadbed or the road surface to be tested, then the penetration depth is checked, if the penetration depth is not 30cm enough, the annular heavy hammer 32 is driven to ascend and fall again until the penetration depth reaches 30cm, and meanwhile, the number of times of impact of the annular heavy hammer 32 is recorded, and the evaluation result is obtained. Because the force is not applied to the penetration rod 3 manually and directly in the evaluation process, the influence on the evaluation result caused by uneven force application can be reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a novel power awl penetrometer which characterized in that: the supporting device comprises a supporting plate (1) and a plurality of supporting legs (2) hinged below the supporting plate (1), wherein the supporting legs (2) are uniformly distributed around the circle center of the supporting plate (1);

a through hole (11) is formed in the center of a circle of the supporting disc (1), a penetration rod (3) penetrates through the through hole (11), and a conical head (33) is arranged at the lower end of the penetration rod (3);

the part of the injection rod (3) above the supporting disk (1) is fixedly connected with a stress part (31), an annular heavy hammer (32) sleeved on the injection rod (3) is arranged above the stress part (31), and the annular heavy hammer (32) is in sliding fit with the injection rod (3).

2. The novel power cone penetrometer of claim 1, wherein: the stress part (31) is integrally conical, and the tip of the stress part (31) faces the supporting disc (1).

3. The novel power cone penetrometer of claim 1, wherein: the upper end of the penetration rod (3) is sleeved with a threaded rod (4), and the threaded rod (4) rotates along the axis direction of the threaded rod;

the threaded rod (4) is sleeved with a clamp (5) in threaded fit with the threaded rod (4), the clamp (5) clamps the annular heavy hammer (32), and the annular heavy hammer (32) moves along with the clamp (5).

4. The novel power cone penetrometer of claim 3, wherein: the clamp (5) comprises a transverse plate (51) sleeved on the threaded rod (4) and clamping plates (52) arranged at two ends of the transverse plate (51);

the transverse plate (51) is in threaded fit with the threaded rod (4), grooves (53) are formed in two ends of the transverse plate (51), a transverse shaft (54) is fixedly connected in each groove (53), one end of the clamping plate (52) is sleeved on the transverse shaft (54), and the clamping plate (52) swings along the axis of the transverse shaft (54);

clamping plates (55) are integrally formed on the side walls, close to each other, of the ends, far away from the transverse shaft (54), of the two clamping plates (52), and the clamping plates (55) are attached to the lower surfaces of the annular heavy hammers (32).

5. The novel power cone penetrometer of claim 3, wherein: the upper end of the threaded rod (4) is fixedly connected with a stress rod (41) which transversely penetrates through the threaded rod (4).

6. The novel power cone penetrometer of claim 4, wherein: a limiting plate (34) is fixedly connected to the circumferential surface of the penetration rod (3), and the length direction of the limiting plate (34) is the same as that of the penetration rod (3);

limiting grooves (13) matched with the limiting plates (34) are formed in the supporting disc (1) and the annular heavy hammer (32);

two clamping grooves (35) are formed in the lower surface of the annular heavy hammer (32), and the clamping plate (55) is clamped in the clamping grooves (35).

7. The novel power cone penetrometer of claim 1, wherein: the supporting leg (2) comprises a telescopic rod (21) hinged to the lower surface of the supporting disc (1) and a supporting rod (22) sleeved at the lower end of the telescopic rod (21);

round hole (23) have been seted up to the upper end of bracing piece (22), and the lower extreme of telescopic link (21) stretches into in round hole (23), and stretch out and draw back in round hole (23), and threaded connection has fixing bolt (24) on bracing piece (22), and the end of fixing bolt (24) stretches into in round hole (23) butt on the periphery of telescopic link (21).

8. The novel power cone penetrometer of claim 1, wherein: the upper surface of the supporting disc (1) is fixedly connected with a level gauge (12).

9. The novel power cone penetrometer of claim 1, wherein: a vertical graduated scale (36) is embedded on the circumferential surface of the penetration rod (3).

10. The novel power cone penetrometer of claim 7, wherein: and one end of the supporting rod (22) which is contacted with the roadbed or the road surface to be detected is fixedly connected with a dome (25).

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