Foundation bearing capacity detection equipment

Abstract

The utility model relates to the technical field of constructional engineering, and discloses foundation bearing capacity detection equipment, which comprises a mounting frame, a detection platform and a detection platform, the feeler lever is movably mounted on the mounting frame, a boss is arranged in the middle of the outer side of the circumference of the feeler lever, and a top plate is arranged at the top of the outer side of the circumference of the feeler lever; the impact block is movably installed on the probe rod and located between the boss and the top plate, and two connecting rods are symmetrically arranged on the two sides of the outer wall of the circumference of the impact block; the double-shaft motor is fixedly mounted in the center of the top of the mounting frame, two wire wheels are symmetrically mounted on output shafts at the two ends of the double-shaft motor, and cables are arranged between the wire wheels and the connecting rods; and the guide mechanism comprises a guide rod and a lantern ring. And through the arranged guide rod and lantern ring, the impact block is vertically guided, it is guaranteed that the boss is vertically nailed in, and the detection reliability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and specifically relates to a foundation bearing capacity detection device. Background Art

[0002] The foundation bearing capacity is the bearing potential of the foundation soil per unit area as the load increases. The commonly used unit is KPa. It is a comprehensive term for evaluating the stability of the foundation. It should be pointed out that the foundation bearing capacity is a practical professional term proposed for the foundation design to facilitate the evaluation of foundation strength and stability. It is not an indicator of the basic properties of soil. The shear strength theory of soil is the theoretical basis for studying and determining the foundation bearing capacity.

[0003] After my search, the prior art discloses a foundation bearing capacity testing device (application number 201920547499.6), which includes a base, a top plate and a bracket connected between the base and the top plate. A through hole is provided in the center of the top surface of the base, and a probe rod is vertically placed in the through hole. The bottom end of the probe rod is flush with the bottom surface of the base, and a hammer rod is fixedly connected to the top of the probe rod. The bottom end of the hammer rod has a boss, and a heavy hammer is mounted on the hammer rod to slide with the boss.

[0004] The foundation bearing capacity testing equipment disclosed in the above-cited document has no guide structure for its weight, and the hammer rod is relatively long, which may cause the weight to deviate to the side when it descends, and further cause the hammer rod to deform and bend, affecting the reliability of the test.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A foundation bearing capacity detection device, comprising:

[0008] A mounting frame, wherein the bottom of the mounting frame is provided with moving wheels for transportation;

[0009] The probe rod is movably mounted on the mounting frame, a boss is provided at the middle position of the outer circumference of the probe rod, and a top plate is provided at the top of the outer circumference of the probe rod;

[0010] The impact block is movably mounted on the probe rod and located between the boss and the top plate, and two connecting rods are symmetrically arranged on both sides of the circumferential outer wall of the impact block;

[0011] A double-shaft motor is fixedly mounted at the center of the top of the mounting frame. Two wire wheels are symmetrically mounted on the output shafts at both ends of the double-shaft motor, and a cable is arranged between the wire wheels and the connecting rod.

[0012] A guide mechanism, the guide mechanism comprises a guide rod and a collar, the guide rod is arranged on the mounting frame, the collar is arranged on the connecting rod, and the collar is movably connected to the guide rod;

[0013] The support assembly includes a support rod, a support seat, and an adjusting wheel. The support rod is movably mounted at the bottom of the mounting frame, the support seat is arranged at the bottom of the support rod, and the adjusting wheel is arranged on the mounting frame and movably connected to the support rod.

[0014] As a preferred embodiment of the utility model, the probe rod is vertically arranged between the top and the bottom inner wall of the mounting frame, the side wall of the probe rod is provided with a scale, and the bottom of the probe rod passes through the inner and outer walls of the bottom of the mounting frame in a sliding connection, and the outer diameter of the boss and the top plate is larger than the outer diameter of the probe rod.

[0015] As a preferred embodiment of the utility model, the top plate is connected to the circumferential outer wall of the probe rod in a sliding fit, and the outer side of the circumference of the probe rod is threadedly mounted with limit rings at the top and bottom of the top plate.

[0016] As a preferred embodiment of the utility model, a slide groove is opened at the bottom of the top plate, an induction slider is slidably installed between the inner walls of the slide groove, and an induction electrode is arranged at the bottom of the slide groove, and the induction electrode is connected to the dual-axis motor signal.

[0017] As a preferred embodiment of the utility model, a center groove is provided at the center position of the top of the impact block, and the center groove is engaged with the limit ring, rope grooves are provided on the outer sides of the circumferences of the two connecting rods, and through holes are provided between the inner and outer walls of the top of the mounting frame and below the two wire wheels. Two cables are provided, one end of the two cables is respectively fixed to the two wire wheels, and the other ends of the two cables are respectively fixed to the two connecting rods at the rope groove positions.

[0018] As a preferred embodiment of the utility model, two guide rods are provided, the two guide rods are symmetrically arranged between the inner and outer walls of the top and bottom of the mounting frame, and the two collars are respectively slidably fitted on the outer sides of the circumferences of the two guide rods.

[0019] As a preferred embodiment of the utility model, the support components are provided with four groups, and the four groups of support components are respectively arranged at the bottom of the mounting frame in a rectangular array, the support rod vertically penetrates the inner and outer walls of the bottom of the mounting frame in a sliding connection, the support seat is fixedly connected to the bottom of the support rod and is located below the mounting frame, the adjusting wheel is rotatably installed at the bottom of the mounting frame, and the adjusting wheel sleeve is threadedly connected to the outer side of the circumference of the support rod.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The guide rod and collar are provided to guide the impact block vertically, ensuring the vertical nailing of the boss, which is beneficial to improving the detection reliability.

[0022] 2. When the device is in use, the dual-axis motor slowly rotates forward to reel in the cable and lift the impact block. When the impact block pushes the induction slider to contact the induction electrode, the dual-axis motor receives the signal and quickly reverses to loosen the cable, so that the impact block falls and hits the boss to nail the probe into the soil. The sliding top plate can be adjusted in height by rotating the limit ring to adjust the lifting height of the impact block and improve the applicability of the device.

[0023] 3. Through the support assembly, the support rod is made to slide down by turning the adjustment wheel so that the support seat contacts the ground to provide support and ensure the stability of the operation. The four sets of independently adjustable support assemblies facilitate the adjustment of the mounting frame level to ensure that the probe rod is nailed vertically.

[0024] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In the attached picture:

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a front view structural schematic diagram of the utility model;

[0028] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0029] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle;

[0030] Figure 5 This is a schematic diagram of the impact block structure of the utility model.

[0031] In the figure: 10, mounting frame; 11, moving wheel; 12, guide rod; 13, perforation; 20, support rod; 21, support seat; 22, adjusting wheel; 30, probe rod; 31, boss; 32, top plate; 321, slide groove; 322, induction slider; 323, induction electrode; 33, limit ring; 40, impact block; 41, connecting rod; 42, collar; 43, center groove; 44, rope groove; 50, dual-axis motor; 51, reel; 60, cable. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0033] A foundation bearing capacity testing device, such as Figure 1-3As shown, including:

[0034] A mounting frame 10, wherein a moving wheel 11 for transport is provided at the bottom of the mounting frame 10;

[0035] A probe rod 30, the probe rod 30 is movably mounted on the mounting frame 10, a boss 31 is provided at the middle position of the outer circumference of the probe rod 30, and a top plate 32 is provided at the top of the outer circumference of the probe rod 30;

[0036] The impact block 40 is movably mounted on the probe rod 30 and located between the boss 31 and the top plate 32. Two connecting rods 41 are symmetrically arranged on both sides of the outer wall of the impact block 40.

[0037] A double-axis motor 50 is fixedly mounted at the top center of the mounting frame 10. Two wire wheels 51 are symmetrically mounted on the output shafts at both ends of the double-axis motor 50, and a cable 60 is arranged between the wire wheels 51 and the connecting rod 41;

[0038] The guide mechanism includes a guide rod 12 and a collar 42. The guide rod 12 is disposed on the mounting frame 10. The collar 42 is disposed on the connecting rod 41. The collar 42 is movably connected to the guide rod 12.

[0039] The support assembly includes a support rod 20, a support seat 21, and an adjusting wheel 22. The support rod 20 is movably mounted at the bottom of the mounting frame 10, the support seat 21 is arranged at the bottom of the support rod 20, and the adjusting wheel 22 is arranged on the mounting frame 10 and movably connected to the support rod 20.

[0040] like Figure 2-3 As shown, the probe rod 30 is vertically arranged between the top and bottom inner wall of the mounting frame 10, the side wall of the probe rod 30 is provided with a scale, and the bottom of the probe rod 30 passes through the inner and outer walls of the bottom of the mounting frame 10 in a sliding connection, and the outer diameters of the boss 31 and the top plate 32 are larger than the outer diameter of the probe rod 30.

[0041] like Figure 2-3 As shown, the top plate 32 is connected to the outer circumferential wall of the probe rod 30 in a sliding fit, and the outer circumferential side of the probe rod 30 is threadedly mounted with a limit ring 33 at the top and bottom of the top plate 32 .

[0042] like Figure 4 As shown, a slide groove 321 is provided at the bottom of the top plate 32 , a sensing slider 322 is slidably installed between the inner walls of the slide groove 321 , and a sensing electrode 323 is provided at the bottom of the slide groove 321 , and the sensing electrode 323 is connected to the dual-axis motor 50 signal.

[0043] like Figure 3 , Figure 5As shown, a center groove 43 is provided at the center position of the top of the impact block 40, and the center groove 43 is engaged with the limit ring 33, rope grooves 44 are provided on the outer sides of the circumferences of the two connecting rods 41, and through holes 13 are provided between the inner and outer walls of the top of the mounting frame 10 and below the two wire wheels 51, and two cables 60 are provided, one end of the two cables 60 is respectively fixed to the two wire wheels 51, and the other ends of the two cables 60 are respectively fixed to the two connecting rods 41 at the positions of the rope grooves 44.

[0044] Its function is that when the device is in use, the dual-axis motor 50 slowly rotates forward to reel in the cable 60 and lift the impact block 40. When the impact block 40 pushes the sensing slider 322 to contact the sensing electrode 323, the dual-axis motor 50 receives the signal and quickly reverses to release the cable 60, so that the impact block 40 falls and hits the boss 31 to nail the probe rod 30 into the soil. The sliding top plate 32 can adjust the height by rotating the limit ring 33 to adjust the lifting height of the impact block 40, thereby improving the applicability of the device.

[0045] like Figure 3 As shown, two guide rods 12 are provided, and the two guide rods 12 are symmetrically arranged between the inner and outer walls of the top and bottom of the mounting frame 10, and the two collars 42 are respectively slidably fitted on the outer sides of the circumferences of the two guide rods 12.

[0046] Its function is to provide a vertical guide for the impact block 40 through the guide rod 12 and the collar 42, thereby ensuring that the boss 31 is nailed vertically, which is beneficial to improving the detection reliability.

[0047] like Figure 2-3 As shown, four groups of support components are provided, and the four groups of support components are arranged in a rectangular array at the bottom of the mounting frame 10 respectively. The support rod 20 vertically penetrates the inner and outer walls of the bottom of the mounting frame 10 in a sliding connection. The support seat 21 is fixedly connected to the bottom of the support rod 20 and is located below the mounting frame 10. The adjusting wheel 22 is rotatably installed at the bottom of the mounting frame 10, and the adjusting wheel 22 is sleeved on the outer side of the circumference of the support rod 20 in a threaded fitting connection.

[0048] Its function is that, through the support assembly, by rotating the adjusting wheel 22, the support rod 20 slides down so that the support seat 21 contacts the ground to play a supporting effect, thereby ensuring the stability of the operation. In addition, the four groups of independently adjustable support assemblies facilitate the adjustment of the level of the mounting frame 10 to ensure that the probe rod 30 is vertically nailed in.

[0049] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A foundation bearing capacity detection device, characterized in that: include: A mounting frame (10), wherein a moving wheel (11) for transporting is arranged at the bottom of the mounting frame (10); A probe rod (30), the probe rod (30) is movably mounted on the mounting frame (10), a boss (31) is provided at a middle position of the outer circumference of the probe rod (30), and a top plate (32) is provided at the top of the outer circumference of the probe rod (30); An impact block (40), the impact block (40) is movably mounted on the probe rod (30) and located between the boss (31) and the top plate (32), and two connecting rods (41) are symmetrically arranged on both sides of the circumferential outer wall of the impact block (40); A double-shaft motor (50), the double-shaft motor (50) is fixedly mounted at the top center of the mounting frame (10), two wire wheels (51) are symmetrically mounted on the output shafts at both ends of the double-shaft motor (50), and a cable (60) is arranged between the wire wheels (51) and the connecting rod (41); A guide mechanism, the guide mechanism comprising a guide rod (12) and a collar (42), wherein the guide rod (12) is arranged on the mounting frame (10), the collar (42) is arranged on the connecting rod (41), and the collar (42) is movably connected to the guide rod (12); A support assembly, the support assembly comprising a support rod (20), a support seat (21), and an adjusting wheel (22), wherein the support rod (20) is movably mounted at the bottom of a mounting frame (10), the support seat (21) is arranged at the bottom of the support rod (20), and the adjusting wheel (22) is arranged on the mounting frame (10) and is movably connected to the support rod (20).

2. The foundation bearing capacity detection device according to claim 1, characterized in that: The probe rod (30) is vertically arranged between the top and the bottom inner wall of the mounting frame (10), the side wall of the probe rod (30) is provided with a scale, and the bottom of the probe rod (30) passes through the inner and outer walls of the bottom of the mounting frame (10) in a sliding connection, and the outer diameters of the boss (31) and the top plate (32) are larger than the outer diameter of the probe rod (30).

3. The foundation bearing capacity detection device according to claim 2, characterized in that: The top plate (32) is connected to the outer circumferential wall of the probe rod (30) in a sliding manner, and the outer circumferential side of the probe rod (30) is threadedly mounted with a limit ring (33) at the top and bottom of the top plate (32).

4. The foundation bearing capacity detection device according to claim 3, characterized in that: A slide groove (321) is provided at the bottom of the top plate (32), an induction slider (322) is slidably installed between the inner walls of the slide groove (321), and an induction electrode (323) is provided at the bottom of the slide groove (321), and the induction electrode (323) is connected to the dual-axis motor (50) signal.

5. The foundation bearing capacity detection device according to claim 4, characterized in that: A center groove (43) is provided at the center position of the top of the impact block (40), and the center groove (43) is engaged with the limit ring (33). Rope grooves (44) are provided on the outer sides of the circumferences of the two connecting rods (41). A through hole (13) is provided between the inner and outer walls of the top of the mounting frame (10) and below the two wire wheels (51). Two cables (60) are provided, one end of the two cables (60) is respectively fixed to the two wire wheels (51), and the other end of the two cables (60) is respectively fixed to the two connecting rods (41) at the position of the rope groove (44).

6. The foundation bearing capacity detection device according to claim 5, characterized in that: Two guide rods (12) are provided, and the two guide rods (12) are symmetrically arranged between the inner and outer walls of the top and bottom of the mounting frame (10), and the two collars (42) are respectively slidably fitted on the outer sides of the circumferences of the two guide rods (12).

7. The foundation bearing capacity detection device according to claim 6, characterized in that: The support components are provided in four groups, and the four groups of support components are respectively arranged at the bottom of the mounting frame (10) in a rectangular array, the support rod (20) vertically penetrates the inner and outer walls of the bottom of the mounting frame (10) in a sliding connection, the support seat (21) is fixedly connected to the bottom of the support rod (20) and is located below the mounting frame (10), the adjusting wheel (22) is rotatably installed at the bottom of the mounting frame (10), and the adjusting wheel (22) is sleeved on the outer side of the circumference of the support rod (20) in a threaded matching connection.

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