CN221030061U - Simple and convenient standard runs through testing arrangement - Google Patents

Abstract

The utility model discloses a simple standard penetration testing device which comprises a bottom plate, wherein supporting rods are fixedly arranged on two sides of the top of the bottom plate, a moving hole is formed in the top of the bottom plate, the top ends of two supporting rods are provided with the same top plate in a threaded manner, mounting boxes are fixedly arranged on the two supporting rods, vertical rods are slidably arranged on the top plate, a gravity center hammer is fixedly arranged at the bottom end of each vertical rod, the same bearing plate is arranged between the two supporting rods, and a drill rod is fixedly arranged at the bottom of each bearing plate. The simple and convenient standard penetration testing device has simple integral structure and convenient operation, improves the installation precision of the standard penetration testing device, improves the effectiveness and the test precision of test data, and improves the convenience of clamping and adjusting the drill rod, thereby improving the installation efficiency of the standard penetration testing device, improving the stability and the precision of the movement of the drill rod during testing, and improving the installation simplicity of the standard penetration testing device.

Description

Simple and convenient standard runs through testing arrangement

Technical Field

The utility model relates to the technical field of standard penetration test operation equipment, in particular to a simple standard penetration test device.

Background

The standard penetration test is the most commonly used in situ test method in geotechnical engineering investigation, and is mostly used in combination with drilling. In the drilling stage, a winch is used for driving a drill rod to drill downwards to a position about 15 cm above the elevation of a test soil layer, then a standard penetration test is carried out, the number of times of penetration hammering is recorded, and the change of the soil layer and the engineering property of soil are judged.

The patent with the application number of CN202122191595.1 discloses a penetration measuring device for a standard penetration test, the levelness of an indication table can be indicated and adjusted by using a level meter on the indication table, a laser pen on the indication table is combined, a scale is combined with the depth of a drill rod, real-time monitoring can be carried out, and the use is convenient and quick. The utility model not only solves the problems of various artificial penetration measurement errors, difficult and inconvenient marking test on the drill rod, and the like, but also greatly improves the working efficiency of the test and effectively reduces the test operation time and cost.

However, the conventional standard penetration test device needs to manually centralize the drill rod in the hammering process to vertically drive the drill rod into a soil layer, so that the problem of inaccurate measurement results caused by manual counting errors and inclination of the drill rod can often occur, and the whole device is large, so that certain potential safety hazards exist.

Based on the above, the scheme provides a simple and convenient standard penetration test device.

Disclosure of utility model

The present utility model is directed to a simple and convenient standard test device, which solves the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a simple standard penetration test device comprises a bottom plate,

The two sides of the top of the bottom plate are fixedly provided with supporting rods, the top of the bottom plate is provided with a moving hole, the top threads of the two supporting rods are provided with the same top plate, the two supporting rods are fixedly provided with mounting boxes, the top plates are slidably provided with vertical rods, the bottom ends of the vertical rods are fixedly provided with gravity centers hammers, the same bearing plate is arranged between the two supporting rods, the bottom of the bearing plate is fixedly provided with a drill rod, the bottom ends of the drill rod extend out of the moving hole, and the bottom ends of the drill rod are fixedly provided with an penetrating device;

The movable holes are formed in one sides, close to each other, of the two mounting boxes, the two mounting boxes are internally provided with two central shafts in a rotating mode, the two mounting boxes are internally provided with two plastic blocks in a fixed mode, the linkage gear is fixedly sleeved on any one central shaft, the corresponding two linkage gears are meshed, and the worm wheel is fixedly sleeved on the corresponding two central shafts;

The plastic block is sleeved with a through hole, a movable rod is movably installed in any through hole, a connecting rod and a connecting rod are fixedly installed at one end of any movable rod, one end of any connecting rod extends out of the corresponding movable hole respectively, and arc plates are fixedly installed at one end of any connecting rod;

Any connecting rod is provided with a strip hole, and any gear is rotatably provided with an extrusion shaft matched with the strip hole;

And one sides of the two installation boxes, which are far away from each other, are respectively provided with a worm in a rotating way, and the two worms are respectively meshed with the corresponding worm gears.

Preferably, the top end of the vertical rod is fixedly provided with a handle.

By adopting the technical scheme, the vertical rod is convenient to hold by the handle.

Preferably, the two support rods are fixedly provided with the level meter.

By adopting the technical scheme, whether the device is parallel to the ground or not is judged by the level gauge.

Preferably, one end of each worm is fixedly sleeved with a knob.

By adopting the technical scheme, the worm is convenient to rotate through the knob.

Preferably, a plurality of rotating balls are rotatably arranged on the inner side of any arc-shaped plate.

By adopting the technical scheme, the rolling of the rolling balls on the four arc plates can not affect the up-and-down movement of the drill rod, so that the drill rod and the injector can not shake in the process of moving downwards, and the subsequent test can not be affected.

Preferably, a reset spring is sleeved on any one of the movable rods, one end of the reset spring is fixed on the corresponding movable rod, and the other end of the reset spring is fixed on the inner wall of the corresponding through hole.

By adopting the technical scheme, the movable rod is convenient to reset through the reset spring.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through being provided with handle, montant, focus hammer, bearing plate, drilling rod, the penetrant, through place the bottom plate on ground earlier, judge whether the device is parallel with ground through the spirit level, then install the roof screw thread and carry out fast assembly at the top of two bracing pieces, then drive the downward free fall of focus hammer through holding the handle, the focus hammering is beaten the bearing plate and is driven the downwardly moving of drilling rod and penetrant for the penetrant is in penetrating the soil layer, carries out subsequent test, promotes the simplicity of standard through testing arrangement installation, promotes standard through testing arrangement's installation accuracy, promotes test data's validity and test accuracy.

2. Through being provided with knob, worm, install bin, worm wheel, the center pin, the linkage gear, the extrusion axle, rectangular hole, the head rod, the arc, rotate the ball, through rotating two knobs, it gathers together each other to have driven four, can press from both sides tightly the drilling rod, but press from both sides tight in-process, the roll of the ball that rotates on four arcs can not influence the drilling rod reciprocates, can make drilling rod and the in-process of the penetrant at the downwardly moving, can not rock, can not influence subsequent test, promote the test precision of mark through testing arrangement, reduce the degree of difficulty that the drilling rod presss from both sides tight regulation, promote the convenience of the tight regulation of drilling rod clamp, promote the installation effectiveness of mark through testing arrangement, stability and the precision that the drilling rod removed when promoting the test.

Drawings

FIG. 1 is a perspective view of the positional relationship of the present utility model with respect to a worm wheel, worm, and pressing shaft;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a top view of the internal structure of the mounting case according to the present utility model;

FIG. 4 is a schematic view of the structure of the portion A of the present utility model.

In the figure: 1. a bottom plate; 2. a moving hole; 3. an injector; 4. a drill rod; 5. a level gauge; 6. a knob; 7. an arc-shaped plate; 8. a support rod; 9. a top plate; 10. a grip; 11. a vertical rod; 12. a center of gravity hammer; 13. a bearing plate; 14. a mounting box; 15. a worm; 16. a plastic block; 17. a movable rod; 18. a movable hole; 19. rotating the ball; 20. a connecting rod; 21. a return spring; 22. a connecting rod; 23. a slit hole; 24. an extrusion shaft; 25. a central shaft; 26. a worm wheel; 27. and a linkage gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a simple and convenient standard runs through testing arrangement, including bottom plate 1, the equal fixed mounting in top both sides of bottom plate 1 has bracing piece 8, remove hole 2 has been seted up at the top of bottom plate 1, same roof 9 is installed to the top screw thread of two bracing pieces 8, and all fixed mounting has install bin 14 on two bracing pieces 8, slidable mounting has montant 11 on roof 9, the bottom fixed mounting of montant 11 has barycenter weight 12, the top fixed mounting of montant 11 has handle 10, be equipped with same bearing plate 13 between two bracing pieces 8, the bottom fixed mounting of bearing plate 13 has drilling rod 4, the bottom of drilling rod 4 extends to outside the removal hole 2, and the bottom fixed mounting of drilling rod 4 has penetrant 3, through above-mentioned structure, utilize through carrying out quick assembly with roof 9 screw thread installation at the top of two bracing pieces 8, then through holding handle 10 and driven barycenter weight 12's free fall, barycenter weight 12 hits bearing plate 13 and has driven drilling rod 4 and penetrant 3's downward movement, make among the soil layer 3.

As shown in fig. 1-4, a movable hole 18 is formed on one side of the two mounting boxes 14, which is close to each other, two central shafts 25 are rotatably mounted in the two mounting boxes 14, two plastic blocks 16 are fixedly mounted in the two mounting boxes 14, a linkage gear 27 is fixedly sleeved on any one central shaft 25, the corresponding two linkage gears 27 are meshed, a worm wheel 26 is fixedly sleeved on the corresponding two central shafts 25, a through hole is sleeved on any one plastic block 16, a movable rod 17 is movably mounted in any one through hole, a connecting rod 20 and a connecting rod 22 are fixedly mounted at one end of any one movable rod 17, a return spring 21 is sleeved on any one movable rod 17, one end of the return spring 21 is fixed on the corresponding movable rod 17, the other end is fixed on the inner wall of the corresponding through hole, one end of any connecting rod 20 extends out of the corresponding movable hole 18 respectively and is fixedly provided with an arc plate 7, the inner side of any arc plate 7 is provided with a plurality of rotary balls 19 in a rotary mode, any connecting rod 22 is provided with a strip hole 23, any gear 27 is provided with an extrusion shaft 24 matched with the strip hole 23 in a rotary mode, one side, far away from each other, of the two mounting boxes 14 is provided with a worm 15 in a rotary mode, the two worm 15 are meshed with corresponding worm wheels 26 respectively, one end of each worm 15 is fixedly sleeved with a knob 6, through the structure, in order to enable the injector 3 and the drill rod 4 to move downwards, the injector 3 and the drill rod 4 cannot shake violently, the two knobs 6 are rotated, the knob 6 drives the corresponding worm 15 to rotate, the worm 15 drives the corresponding worm wheels 26 to rotate, and the corresponding worm wheels 27 can be driven to rotate, the linkage gear 27 drives the rotation of the corresponding linkage gear 27 and the extrusion shaft 24, the extrusion shaft 24 respectively extrudes the inner wall of the corresponding strip hole 23, so that the opposite movement of the two connecting rods 22 on the same side can be driven, the opposite movement of the two arc plates 7 on the same side can be driven, the four arc plates 7 are gathered together, and the drill rod 4 can be clamped, but in the clamping process, the rolling of the rolling balls 19 on the four arc plates 7 can not influence the up-and-down movement of the drill rod 4, so that the drill rod 4 and the penetrant 3 can not shake in the downward movement process, and the subsequent test can not be influenced.

With the structure shown in fig. 2, the two support rods 8 are fixedly provided with the level meter 5, and through the structure, whether the device is parallel to the ground or not is judged through the level meter 5.

The working principle of the utility model is as follows: firstly, the bottom plate 1 is placed on the ground, whether the device is parallel to the ground is judged through the level meter 5, then, the top plate 9 is installed on the tops of the two support rods 8 in a threaded manner for rapid assembly, then, the handle 10 is held to drive the gravity hammer 12 to fall freely downwards, the gravity hammer 12 hits the bearing plate 13 to drive the drill rod 4 and the penetrant 3 to move downwards, so that the penetrant 3 penetrates into a soil layer, in order to enable the penetrant 3 and the drill rod 4 to move downwards, the penetrant 3 and the drill rod 4 cannot shake violently, through rotating the two knobs 6, the knob 6 drives the corresponding worm 15 to rotate, the worm 15 drives the corresponding worm wheel 26 to rotate, the corresponding linkage gear 27 can be driven to rotate, the linkage gear 27 drives the corresponding linkage gear 27 to rotate with the extrusion shaft 24, the extrusion shaft 24 respectively extrudes the inner walls of the corresponding strip holes 23, and can drive the opposite movement of the two connection rods 22 on the same side, so that the four arc plates 7 can mutually converge, and the four arc plates 7 can be clamped 4 to clamp the drill rod 4, but the four arc plates 19 cannot shake downwards, so that the ball 4 cannot shake in the test. According to the simple and convenient standard penetration test device, the drill rod can be supported through the mechanical structure, so that the drill rod and the injector cannot shake when being hit into a soil layer, the accuracy of a measurement result is improved, and the whole structure of the device is simple and convenient to operate.

While embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a simple and convenient standard runs through testing arrangement, includes bottom plate (1), its characterized in that:

The two sides of the top of the bottom plate (1) are fixedly provided with supporting rods (8), the top of the bottom plate (1) is provided with a moving hole (2), the top ends of the two supporting rods (8) are provided with the same top plate (9) through threads, the two supporting rods (8) are fixedly provided with mounting boxes (14), the top plate (9) is provided with vertical rods (11) in a sliding mode, the bottom ends of the vertical rods (11) are fixedly provided with gravity centers (12), the same bearing plate (13) is arranged between the two supporting rods (8), the bottom of the bearing plate (13) is fixedly provided with a drill rod (4), the bottom ends of the drill rod (4) extend out of the moving hole (2), and the bottom ends of the drill rod (4) are fixedly provided with a penetrating device (3);

A movable hole (18) is formed in one side, close to each other, of each of the two mounting boxes (14), two central shafts (25) are rotatably mounted in each of the two mounting boxes (14), two plastic blocks (16) are fixedly mounted in each of the two mounting boxes (14), a linkage gear (27) is fixedly sleeved on any one central shaft (25), the corresponding two linkage gears (27) are meshed, and a worm wheel (26) is fixedly sleeved on the corresponding two central shafts (25);

The plastic block (16) is sleeved with a through hole, a movable rod (17) is movably arranged in any through hole, a connecting rod (20) and a connecting rod (22) are fixedly arranged at one end of any movable rod (17), one end of any connecting rod (20) extends out of a corresponding movable hole (18) respectively, and arc plates (7) are fixedly arranged at one end of any connecting rod;

Any one of the connecting rods (22) is provided with a strip hole (23), and any one of the gears (27) is rotatably provided with an extrusion shaft (24) matched with the strip hole (23);

The two installation boxes (14) are respectively rotatably provided with a worm (15) at one side far away from each other, and the two worms (15) are respectively meshed with corresponding worm gears (26).

2. A simple penetration test apparatus according to claim 1, wherein: the top end of the vertical rod (11) is fixedly provided with a handle (10).

3. A simple penetration test apparatus according to claim 1, wherein: and the two support rods (8) are fixedly provided with the level meter (5).

4. A simple penetration test apparatus according to claim 1, wherein: one end of each worm (15) is fixedly sleeved with a knob (6).

5. A simple penetration test apparatus according to claim 1, wherein: a plurality of rotating balls (19) are rotatably arranged on the inner side of any arc-shaped plate (7).

6. A simple penetration test apparatus according to claim 1, wherein: and a reset spring (21) is sleeved on any movable rod (17), one end of the reset spring (21) is fixed on the corresponding movable rod (17), and the other end is fixed on the inner wall of the corresponding through hole.