CN209741807U - Foundation bearing capacity detection device - Google Patents

Abstract

The utility model relates to a foundation bearing capacity detection device relates to engineering check out test set technical field, aims at solving when pressing down the bearing plate and making it stretch into the ground to probe rod and probe application of force, and the skew can take place or the problem of being impressed ground simultaneously to its landing leg, leads to the detector to take place to deflect or rock even, influences measuring result's problem, it includes the support probe and probe rod that are equipped with in the frame, the support includes solid fixed ring and a plurality of landing leg, the probe rod is worn to locate in the fixed ring, the utility model discloses can make the detector when adapting to more well road surface circumstances, guarantee the level of detector, when simultaneously to probe rod and probe application of force, the landing leg can not take place the skew and impress the action to promote its measuring result's precision.

Description

Foundation bearing capacity detection device

Technical Field

The utility model belongs to the technical field of engineering check out test set technique and specifically relates to a foundation bearing capacity detection device is related to.

Background

The foundation bearing capacity is the capacity of bearing the load of the foundation, the foundation bearing capacity is a practical professional term which is provided aiming at foundation design and is convenient for evaluating the strength and stability of the foundation, the foundation bearing capacity is not a basic property index of soil, compared with materials such as steel, concrete, masonry and the like, the soil belongs to a large deformation material, when the load is increased, the foundation bearing capacity is gradually increased along with the corresponding increase of the deformation of the foundation, the next real limit value is difficult to define, and different values can be obtained according to the existing bearing capacity calculation formula of theory and experience. Therefore, the determination of the ultimate bearing capacity of the foundation does not have a universal defining standard in fact, does not have a calculation formula suitable for all types of soil, is adjusted mainly by depending on a limit determined according to engineering experience and a corresponding safety factor, and considers a bearing capacity value of the foundation meeting engineering requirements.

The portable foundation bearing capacity detector disclosed in the Chinese patent with the publication number of CN206721945U comprises a probe and a probe rod, wherein the probe is detachably connected to the tail end of the probe rod, a bearing plate is arranged at the top end of the probe rod and is detachably connected to the probe rod, the detector also comprises a support and a handheld control display, the support is detachably connected to the top end of the probe rod and comprises a hoop type fixing ring and at least three support legs, height adjusting parts are arranged on the support legs, a circular level is arranged on the fixing ring, and the handheld control display is coupled with a strain sensor in the probe rod; the handheld control display is internally provided with an analog-digital conversion unit, a data processing unit and a display unit, wherein the analog-digital conversion unit is respectively coupled with the strain sensor and the data processing unit; the data processing unit is respectively coupled with the analog-to-digital conversion unit and the display unit; the display unit is coupled with the data processing unit. Its utility model light in weight, small, convenient to carry has improved the work efficiency who surveys.

However, the above-described technique has the following drawbacks: when the pressure bearing plate is pressed to apply force to the probe rod and the probe to enable the probe rod and the probe to extend into a foundation, the supporting legs of the probe rod and the probe can deviate or be pressed into the ground at the same time, so that the detector deflects or even shakes, and the measuring result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foundation bearing capacity detection device can make the detector when adapting to more road surface conditions, guarantees the level of detector, and when the application of force to probe rod and probe, the landing leg can not take place the skew and the action of impressing simultaneously to promote its measuring result's precision.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a foundation bearing capacity detection device, includes the support probe and probe rod that are equipped with in the frame, the support includes solid fixed ring and a plurality of landing leg, the probe rod is worn to locate in the solid fixed ring, vertical distribution has the fixed orifices on the probe rod, gu be equipped with on the fixed ring with fixed orifices complex gim peg, the landing leg is articulated through screw nut with solid fixed ring, and the landing leg is kept away from gu fixed ring one end is equipped with the backup pad, the landing leg with be connected with universal ball between the backup pad, the landing leg with universal ball fixed connection, universal ball inlay establish with on the backup pad roof be equipped with locking device on the landing leg.

Implement above-mentioned technical scheme, when detecting the ground, unscrew detection device's landing leg and the screw nut of solid fixed ring junction earlier, put down the landing leg, make backup pad bottom contact ground, let the landing leg can erect solid fixed ring and support in the air, simultaneously with the probe rod through the cooperation fixed connection of gim peg and fixed orifices in the fixed ring, make it be in the horizontality in the position and the angle of adjustment solid fixed ring, again with screw nut screw up fixed landing leg, and through the fixed landing leg of locking device, make it no longer rotate for the backup pad, take out the gim peg from the fixed orifices, press the probe rod with its ground of impressing, sensor in the probe rod obtains data when extrudeing the ground, accomplish the test, thereby its adaptability and measuring quality have been promoted.

The utility model discloses further set up to: locking device includes the ejector pin that is equipped with on the landing leg, the ejector pin is worn to locate in landing leg, universal ball and the backup pad, the one end that the ejector pin is located the landing leg is connected with the shifting block, landing leg one side is equipped with the rotation groove, the shifting block is followed stretch out in the pressure groove, the ejector pin stretches out the one end of backup pad is equipped with the retaining member, the bottom of backup pad be equipped with retaining member complex snap ring.

Implement above-mentioned technical scheme, when adjusting solid fixed ring's position and angle, the control shifting block rotates the ejector pin, make the retaining member of ejector pin bottom withdraw from the snap ring simultaneously, let the landing leg can rotate the backup pad relatively, adjust solid fixed ring's position and angle under the circumstances of backup pad position determination, adjust and accomplish the back, the control shifting block rotates the ejector pin, simultaneously at the tight spare in top and the snap ring chucking of ejector pin bottom, make the ejector pin be connected with the backup pad, let the landing leg can not take place to rotate with the backup pad relatively, thereby with solid fixed ring's position locking, the work efficiency is improved.

The utility model discloses further set up to: the support plate is preferably a circular disc, and the radius of the support plate is set to be gradually increased from top to bottom.

Implement above-mentioned technical scheme, through setting up the backup pad into the cylinder to the radius of backup pad from top to bottom crescent setting, when pressing down probe rod and making its downstream, the landing leg atress disperses to ground through the backup pad, and guarantees that the landing leg can not push down or squint, can guarantee the measuring accuracy, thereby has promoted measurement quality.

The utility model discloses further set up to: the top of the probe rod is provided with a pressure bearing rod, the pressure bearing rod is perpendicular to the probe rod, and the pressure bearing rod is provided with a level gauge.

Implement above-mentioned technical scheme, when adjusting solid fixed ring's angle and position, the staff adjusts solid fixed ring through holding the pressure-bearing rod and observing the spirit level simultaneously, and simultaneously after the regulation is accomplished, the staff can make things convenient for staff's operation to the pressure-bearing rod application of force, with the probe rod pushing down to its work efficiency has been promoted.

The utility model discloses further set up to: the landing leg includes mounting and moving part, mounting one end with solid fixed ring is articulated, the moving part cover is located the mounting is kept away from solid fixed ring's one end, the moving part is equipped with the adjustment tank, be equipped with the regulation in the adjustment tank on the mounting and tie, the regulation is tied and is stretched out the one end of adjustment tank is equipped with the nut.

Implement above-mentioned technical scheme, detecting the ground, need adjust whole height or when ground situation is not good, unscrew the nut, make and loosen between mounting and the moving part, slide along the length direction of mounting through the control moving part simultaneously, can adjust the length of landing leg, can change holistic height, perhaps place the backup pad of extension landing leg in the better position of ground situation to promote its adaptability and measurement quality.

The utility model discloses further set up to: scales are vertically distributed on the surface of the side wall of the probe rod.

Implement above-mentioned technical scheme, through the scale of the vertical range that sets up on probe rod lateral wall surface, can be with the probe rod to the in-process of ground extrusion, the macroscopic makes the judgement, the observation of being convenient for to its work efficiency has been promoted.

the utility model discloses further set up to: the probe is connected to the bottom of the probe rod through threads.

By implementing the technical scheme, the probe is arranged at the bottom of the probe rod in a threaded connection mode, the probe can be replaced under the condition that the condition allows, and the detection device can adapt to more road conditions and different foundations, so that the adaptability of the detection device is improved.

The utility model discloses further set up to: and a buffer rubber pad is arranged at the gap between the probe rod and the fixing ring.

Implement above-mentioned technical scheme, through the buffering cushion of gap department installation between probe rod and solid fixed ring, can prevent to take place the friction between probe rod and the solid fixed ring at the in-process that pushes down, lead to the damage of probe rod or solid fixed ring to promote its life.

To sum up, the utility model discloses a beneficial technological effect does:

1. When the foundation is detected, firstly, a screw nut at the joint of a supporting leg and a fixing ring of a detection device is unscrewed, the supporting leg is put down, the bottom of a supporting plate is in contact with the ground, the fixing ring can be erected and supported in the air by the supporting leg, meanwhile, a probe rod is fixedly connected in the fixing ring through the matching of a fixing bolt and a fixing hole, the position and the angle of the fixing ring are adjusted to be in a horizontal state, then the screw nut is screwed up to fix the supporting leg, the supporting leg is fixed through a locking device and is not rotated relative to the supporting plate, the fixing bolt is taken out of the fixing hole, the probe rod is pressed into the foundation, a sensor in the probe rod obtains data while the foundation is extruded, and the test is completed, so that the adaptability and the measurement quality of the foundation are;

2. The locking device comprises a mandril arranged on the supporting leg, the mandril penetrates through the supporting leg, the universal ball and the supporting plate, one end of the mandril positioned in the supporting leg is connected with a shifting block, a rotating groove is formed in one side of the supporting leg, the shifting block extends out of the pressing groove, a locking member is arranged at one end of the mandril extending out of the supporting plate, and a clamping ring matched with the locking member is arranged at the bottom of the supporting plate;

3. When detecting the ground, need adjust whole height or ground situation not good, unscrew the nut, make and loosen between mounting and the moving part, slide along the length direction of mounting through the control moving part simultaneously, can adjust the length of landing leg, can change holistic height, perhaps place the backup pad of extension landing leg in the better position of ground situation to promote its adaptability and measuring mass.

Drawings

Fig. 1 is the utility model provides a foundation bearing capacity detection device's overall structure schematic diagram.

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

In the figure: 1. a support; 2. a probe; 3. a probe rod; 31. a fixing hole; 32. a fixing bolt; 33. a pressure-bearing rod; 34. a level gauge; 35. calibration; 36. a cushion rubber pad; 4. a fixing ring; 5. a support leg; 51. a support plate; 52. a universal ball; 53. a fixing member; 531. adjusting the bolt; 532. a nut; 54. a movable member; 541. an adjustment groove; 6. a locking device; 61. a top rod; 62. shifting blocks; 63. a rotating groove; 64. a locking member; 65. a snap ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the foundation bearing capacity detecting device disclosed by the present invention, comprising a bracket 1, a probe 2 and a probe rod 3 arranged on the bracket 1, wherein the probe rod 3 is provided with a scale 35 in the vertical direction of the surface of the side wall of the probe rod 3, a pressure-bearing rod 33 is arranged at the top of the probe rod 3, the pressure-bearing rod 33 is arranged perpendicular to the probe rod 3, a level gauge 34 is arranged on the pressure-bearing rod 33, the bracket 1 comprises a fixing ring 4 and a plurality of supporting legs 5, the probe rod 3 is arranged in the fixing ring 4 in a penetrating manner and is coaxial with the fixing ring 4, the probe rod 3 is provided with a plurality of fixing holes 31 in the vertical direction, the fixing ring 4 is provided with a fixing bolt 32 in a specified empty fit, one end of the supporting leg 5 is hinged with the fixing ring 4 through a screw nut 532, the other end is connected with a supporting plate 51, the supporting plate 51 is a circular disc with a radius gradually increasing from top to bottom, the bottom, a locking device 6 is arranged in the supporting leg 5, the locking device 6 comprises a mandril 61 arranged in the supporting leg 5, the mandril 61 penetrates through the supporting leg 5, the universal ball 52 and the supporting plate 51, one end of the mandril 61 in the supporting leg 5 is provided with a shifting block 62, one side of the supporting leg 5 is provided with a rotating groove 63, the shifting block 62 extends out of the rotating groove 63, one end of the mandril 61 provided with the supporting plate 51 is provided with a locking member 64, and the bottom of the supporting plate 51 is provided with a clamping ring 65 matched with the locking member 64; when the foundation is detected, firstly, the screw nut 532 at the joint of the supporting leg 5 and the fixing ring 4 of the detection device is unscrewed, the supporting leg 5 is put down, the bottom of the supporting plate 51 is in contact with the ground, the fixing ring 4 can be erected and supported in the air by the supporting leg 5, meanwhile, the probe rod 3 is fixedly connected in the fixing ring 4 through the matching of the fixing bolt 32 and the fixing hole 31, the position and the angle of the fixing ring 4 are adjusted to be in a horizontal state, when the position and the angle of the fixing ring 4 are adjusted, the shifting block 62 is controlled to rotate the mandril 61, meanwhile, the locking piece 64 at the bottom end of the mandril 61 is led to withdraw from the clamping ring 65, the supporting leg 5 can rotate relative to the supporting plate 51, the position and the angle of the fixing ring 4 are adjusted under the condition that the position of the supporting plate 51 is determined, a worker holds the pressure bearing rod 33 and observes the level gauge 34 to, meanwhile, a jacking piece at the bottom of the mandril 61 is tightly clamped with the clamping ring 65, so that the mandril 61 is connected with the support plate 51, the supporting legs 5 cannot rotate relative to the support plate 51, thereby locking the position of the fixed ring 4, then screwing the screw nut 532 on the fixed leg 5, fixing the leg 5 by the locking device 6, making it not rotate relative to the support plate 51 any more, taking the fixed bolt 32 out of the fixed hole 31, pressing the pressure-bearing rod 33 to press the probe rod 3 into the ground, pressing the ground while the sensor in the probe rod 3 obtains data, when the probe rod 3 is pressed to move downwards, the force applied to the supporting leg 5 is dispersed to the ground through the supporting plate 51, and it is ensured that the supporting leg 5 is not pressed or deflected, in the process of extrusion, workers can obtain data through a sensor arranged in the probe rod 3 or observe the scales 35 to obtain some conclusions visible to the naked eye, so that the adaptability and the measurement quality of the probe rod are improved.

In the process of detecting a foundation, when the overall height needs to be adjusted or the ground condition is not good, the situation that a worker cannot conveniently use a detection device or even cannot use the detection device exists, therefore, as shown in fig. 2, the support leg 5 is provided to include a fixed part 53 and a movable part 54, one end of the fixed part 53 is hinged to a fixed ring 4, the movable part 54 is sleeved at one end of the fixed part 53, which is far away from the fixed ring 4, the movable part 54 is provided with an adjusting groove 541, on the fixed part 53, an adjusting bolt 531 is installed in the adjusting groove 541, one end of the adjusting bolt 531, which extends out of the adjusting groove 541, is provided with a nut 532, the probe 2 is connected with the probe rod 3 through threads, and a buffer rubber pad 36 is installed; when the overall height needs to be adjusted or the ground condition is not good, the nut 532 is unscrewed, the fixed piece 53 and the movable piece 54 are loosened, the movable piece 54 is controlled to slide along the length direction of the fixed piece 53, the length of the supporting leg 5 can be adjusted, the overall height can be changed, or the supporting plate 51 of the extended supporting leg 5 is placed at a position with good ground condition, the probe 2 can be replaced under the condition of permission, and the buffer rubber pad 36 can reduce the friction between the probe rod 3 and the fixed ring 4 in the pressing process, so that the adaptability and the measuring quality of the probe rod are improved.

Working process (principle): when the foundation is detected, firstly, the screw nut 532 at the joint of the supporting leg 5 and the fixing ring 4 of the detection device is unscrewed, the supporting leg 5 is put down, the bottom of the supporting plate 51 is in contact with the ground, the fixing ring 4 can be erected and supported in the air by the supporting leg 5, meanwhile, the probe rod 3 is fixedly connected in the fixing ring 4 through the matching of the fixing bolt 32 and the fixing hole 31, the position and the angle of the fixing ring 4 are adjusted to be in a horizontal state, when the position and the angle of the fixing ring 4 are adjusted, the shifting block 62 is controlled to rotate the mandril 61, meanwhile, the locking piece 64 at the bottom end of the mandril 61 is led to withdraw from the clamping ring 65, the supporting leg 5 can rotate relative to the supporting plate 51, the position and the angle of the fixing ring 4 are adjusted under the condition that the position of the supporting plate 51 is determined, a worker holds the pressure bearing rod 33 and observes the level gauge 34 to, meanwhile, a tightening part at the bottom of the ejector rod 61 is tightly clamped with the clamping ring 65, so that the ejector rod 61 is connected with the support plate 51, the support leg 5 cannot rotate relative to the support plate 51, the position of the fixing ring 4 is locked, the support leg 5 is fixed by screwing the screw nut 532, the support leg 5 is fixed by the locking device 6 and does not rotate relative to the support plate 51, the fixing bolt 32 is taken out from the fixing hole 31, the pressure bearing rod 33 is pressed to press the probe rod 3 into the ground, the sensor in the probe rod 3 obtains data while the ground is pressed, when the probe rod 3 is pressed to move downwards, the support leg 5 is stressed, the support plate 51 is dispersed to the ground, the support leg 5 is ensured not to be pressed or deviated, a worker can obtain data or observe scales 35 through the sensor arranged in the probe rod 3 in the pressing process to obtain some macroscopic conclusions, when the whole height needs to be adjusted or the ground condition is not good, the nut 532 is unscrewed, so that the fixing piece 53 and the moving piece 54 are loosened, meanwhile, the length of the supporting leg 5 can be adjusted by controlling the moving piece 54 to slide along the length direction of the fixing piece 53, the overall height can be changed, or the supporting plate 51 of the extended supporting leg 5 is placed at a position with a better ground condition, the probe 2 can be replaced under the condition that the condition allows, and the friction between the probe rod 3 and the fixing ring 4 can be reduced by the buffer rubber pad 36 in the pressing-down process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a foundation bearing capacity detection device, includes support (1), probe (2) and probe rod (3) that are equipped with on support (1), its characterized in that: support (1) is including solid fixed ring (4) and a plurality of landing leg (5), probe rod (3) are worn to locate gu in fixed ring (4), fixed orifices (31) have been seted up on probe rod (3), gu be equipped with on fixed ring (4) with fixed orifices (31) complex gim peg (32), landing leg (5) are articulated through screw nut with solid fixed ring (4), and landing leg (5) are kept away from gu fixed ring (4) one end is equipped with backup pad (51), landing leg (5) with be connected with universal ball (52) between backup pad (51), landing leg (5) with universal ball (52) fixed connection, universal ball (52) inlay establish with on backup pad (51) roof be equipped with locking device (6) on landing leg (5).

2. The foundation bearing capacity detecting device according to claim 1, wherein: locking device (6) include ejector pin (61) that is equipped with on landing leg (5), ejector pin (61) are worn to locate in landing leg (5), universal ball (52) and backup pad (51), the one end that ejector pin (61) are located in landing leg (5) is connected with shifting block (62), landing leg (5) one side is equipped with rotates groove (63), shifting block (62) are followed stretch out in rotating groove (63), ejector pin (61) stretch out the one end of backup pad (51) is equipped with retaining member (64), the bottom of backup pad (51) be equipped with retaining member (64) complex snap ring (65).

3. The foundation bearing capacity detecting device according to claim 1, wherein: the support plate (51) is preferably a circular disk, and the radius of the support plate (51) is set to be gradually increased from top to bottom.

4. the foundation bearing capacity detecting device according to claim 1, wherein: the top of the probe rod (3) is provided with a bearing rod (33), the bearing rod (33) is perpendicular to the probe rod (3), and the bearing rod (33) is provided with a level gauge (34).

5. The foundation bearing capacity detecting device according to claim 1, wherein: landing leg (5) are including mounting (53) and moving part (54), mounting (53) one end with solid fixed ring (4) are articulated, moving part (54) cover is located mounting (53) are kept away from the one end of solid fixed ring (4), be equipped with on moving part (54) and adjust groove (541), be equipped with adjusting bolt (531) on mounting (53) in adjusting groove (541), adjusting bolt (531) are stretched out the one end of adjusting groove (541) is equipped with nut (532).

6. The foundation bearing capacity detecting device according to claim 1, wherein: scales (35) are vertically distributed on the surface of the side wall of the probe rod (3).

7. The foundation bearing capacity detecting device according to claim 1, wherein: the probe (2) is connected to the bottom of the probe rod (3) through threads.

8. The foundation bearing capacity detecting device according to claim 1, wherein: and a buffer rubber pad (36) is arranged at a gap between the probe rod (3) and the fixing ring (4).