A bearing capacity detection device for building detection

Abstract

The application belongs to the technical field of building detection, and particularly relates to a bearing capacity detection device for building detection, which comprises a moving base, a lifting push rod, a first mounting frame, a horizontal push rod, a second mounting frame, a turnover motor, a turnover cover, an electromagnetic adsorption seat, a weight, a hammer seat, a feeler rod, a pressing seat and a probe. The lifting push rod installed on the moving base is connected with the first mounting frame, the horizontal push rod installed on the first mounting frame is connected with the second mounting frame, the turnover motor is installed on the second mounting frame, the electromagnetic adsorption seats are installed at both ends of the turnover cover, the weight is slidably limited in the turnover cover, and the hammer seats are arranged on both sides of the weight. The application has a reasonable structure design. After each hammering, the weight can be adsorbed by the electromagnetic adsorption seat, and the turnover cover can be turned over, so that the preparation work for the next hammering can be completed, manual reciprocating lifting of the weight is not needed, the labor intensity is greatly reduced, the safety hidden danger is reduced, and the detection efficiency of the foundation bearing capacity is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building detection, and particularly relates to a bearing capacity detection device for building detection. BACKGROUND

[0002] In building construction, the standard penetration test (SPT) is a kind of dynamic sounding, which is a method for measuring the bearing capacity of sand or cohesive soil foundation in the field. This method has been included in the Chinese national "Code for Design of Building Foundation of Industrial and Civil Buildings". The standard penetration test method is as follows: drill to a predetermined depth, then use a 63.5kg (140 pounds) drop hammer to freely fall from a height of 76cm (30 inches) to hammer a standard sounding rod; according to the sampling length requirement, the sampler is penetrated into the current hole bottom by 18 or 24 inches; the number of hammer blows required for the sounding rod to penetrate 15cm is recorded, and then the number of hammer blows for every 10cm in the next 30cm and the total number of hammer blows for 30cm are recorded; the compactness classification of natural state sand. The dynamic sounding detection device of the prior art is mostly manually lifted by a heavy hammer, which consumes a lot of physical strength of the detection personnel and needs to be improved in terms of convenience.

[0003] The patent specification with the Chinese patent publication number CN214794263U discloses a building detection bearing capacity detection device, which comprises a base, a first fixing frame fixedly installed on the top of the base, two guide sliding rods fixedly installed on the top inner wall of the first fixing frame, the bottom ends of the two guide sliding rods being fixedly connected with the top of the base, a lifting seat slidingly installed on the two guide sliding rods, a sounding rod fixedly installed on the bottom of the lifting seat, the bottom end of the sounding rod extending below the base, and a heavy hammer slidingly installed on the two guide sliding rods and located above the lifting seat.

[0004] However, this building detection bearing capacity detection device still has some deficiencies in use. First, it is only suitable for light dynamic sounding and cannot meet the demand of heavy dynamic sounding. Second, it still needs manual measurement, and the heavy hammer needs to be manually lifted, which has low automation degree and high labor intensity. Therefore, optimization and improvement are needed. SUMMARY

[0005] The purpose of the present application is to overcome the above-mentioned problems in the prior art and provide a bearing capacity detection device for building detection, which can automatically realize heavy dynamic sounding operation and improve the efficiency of foundation bearing capacity detection.

[0006] To achieve the above technical purposes and effects, the present application is implemented by the following technical scheme:

[0007] The application discloses a bearing capacity detection device for building detection, which comprises a moving base, a lifting push rod, a first mounting frame, a horizontal push rod, a second mounting frame, a turnover motor, a turnover cover, an electromagnetic adsorption seat, a weight, a hammer seat, a touch probe, a pressing seat and a probe.

[0008] Further, in the bearing capacity detection device for building detection, the first mounting frame is an L-shaped frame, and a vertical guide assembly is arranged between the lower end of the horizontal plate part of the L-shaped frame and the moving base.

[0009] Further, in the bearing capacity detection device for building detection, the second mounting frame is a right-angled trapezoidal frame, a horizontal guide rod penetrating through the vertical plate part of the first mounting frame is fixed to the outer side of the second mounting frame, a guide roller is fixed to the bottom end of the second mounting frame, and a guide wheel groove is arranged at the upper end of the horizontal plate part of the first mounting frame.

[0010] Further, in the bearing capacity detection device for building detection, the inner cavity of the turnover cover is in a circular structure with a cutout, and the cutout occupies a central angle of 90-150 degrees of the circle.

[0011] Further, in the bearing capacity detection device for building detection, the shape of the electromagnetic adsorption seat is matched with the shape of the inner cavity of the turnover cover, the inner side of the electromagnetic adsorption seat is an electromagnetic adsorption surface, and the electromagnetic adsorption force is realized by controlling the on-off of a circuit.

[0012] Further, in the bearing capacity detection device for building detection, the maximum stroke of the weight freely falling in the turnover cover is 76 cm, and the weight sum of the weight and the two hammer seats is 63.5 kg; or the maximum stroke of the weight freely falling in the turnover cover is 50 cm, and the weight sum of the weight and the two hammer seats is 10 kg.

[0013] Further, in the bearing capacity detection device for building detection, the weight is made of a metal material that can be electromagnetically adsorbed.

[0014] Further, the bearing capacity detection device for building detection, the heavy hammer and the hammer seat on both sides are integrated structure or split structure, when the split structure is adopted, the two sides of the heavy hammer are symmetrically provided with threaded installation grooves, and the hammer seat is provided with threaded installation portions correspondingly.

[0015] Further, the bearing capacity detection device for building detection, the moving base is provided with a righting mechanism for providing displacement guidance for the feeler rod, the righting mechanism comprises a telescopic rod and a righting ring mounted on the movable end of the telescopic rod, and the telescopic rod is fixed to the moving base directly or indirectly through a mounting plate.

[0016] Further, the bearing capacity detection device for building detection, the moving base is provided with a measuring mechanism for detecting the falling depth of the feeler rod, the measuring mechanism comprises a pull rope displacement sensor, a support plate with a guide rope wheel and a sleeve ring, the sleeve ring is mounted on the feeler rod below the pressing base, the pull rope displacement sensor and the support plate are fixed to the moving base, and the pull rope in the pull rope displacement sensor is connected with the sleeve ring after being guided through a plurality of guide rope wheels on the support plate.

[0017] The present application has the following advantages:

[0018] 1. The structure design of the present application is reasonable, the heavy hammer can be adsorbed by the electromagnetic adsorption seat after each hammering, and the flip cover is flipped, so that the preparation work for the next hammering can be completed, the labor intensity is greatly reduced, the safety hidden danger is reduced, and the detection efficiency of the foundation bearing capacity is greatly improved.

[0019] 2. The measuring mechanism of the present application is reasonable, the horizontal distance between the feeler rod and the support plate is fixed, the change value of the length of the line between the measuring sleeve ring and the support plate is measured, the change of the depth displacement of the feeler rod is calculated by combining the Pythagorean theorem, based on this, the data transmitted by the pull rope displacement sensor can be used to calculate the depth of the feeler rod in real time, and the display screen is used for auxiliary display, when the hammering depth reaches the set value, the hammering is stopped, and the hammering times are recorded.

[0020] Of course, any product implementing the present application does not necessarily need to achieve all the advantages above. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0022] Figure 1 Structure diagram of the present application Figure 1

[0023] Figure 2 Structure diagram of the present application Figure 2

[0024] Figure 3 Structure diagram of the present application Figure 3

[0025] Figure 4 Structure diagram of the present application Figure 4

[0026] Figure 5 Structure diagram of the present application Figure 5

[0027] Figure 6 Structure diagram of the overturning cover in the present application

[0028] Figure 7 Structure diagram of the heavy hammer in the present application

[0029] Figure 8 Structure diagram of the righting mechanism and measuring mechanism in the present application

[0030] In the figure: 1 - moving base, 2 - lifting push rod, 3 - first mounting bracket, 4 - horizontal push rod, 5 - second mounting bracket, 6 - overturning motor, 7 - overturning cover, 8 - electromagnetic adsorption seat, 9 - avoiding hole, 10 - heavy hammer, 11 - hammer seat, 12 - touch probe, 13 - pressing seat, 14 - probe, 15 - telescopic rod, 16 - righting ring, 17 - vertical guide assembly, 18 - horizontal guide rod, 19 - guide roller, 20 - pull rope displacement sensor, 21 - support plate, 22 - sleeve ring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0032] As Figures 1-8 ​​​​​As shown, the embodiment provides a bearing capacity detection device for building detection, which comprises a moving base 1, a lifting push rod 2, a first mounting frame 3, a horizontal push rod 4, a second mounting frame 5, a turnover motor 6, a turnover cover 7, an electromagnetic adsorption seat 8, a heavy hammer 10, a hammer seat 11, a touch probe 12, a pressing seat 13 and a probe 14. The moving base 1 is provided with the lifting push rod 2, the movable end of the lifting push rod 2 is fixedly provided with the first mounting frame 3, the first mounting frame 3 is provided with the horizontal push rod 4, the movable end of the horizontal push rod 4 is provided with the second mounting frame 5, the second mounting frame 5 is provided with the turnover motor 6, and the rotating shaft of the turnover motor 6 is directly or indirectly connected with the turnover cover 7 through an umbrella-shaped turning gear set. The turnover cover 7 is a side opening cover, both ends of the turnover cover 7 are provided with the electromagnetic adsorption seat 8, the center of the electromagnetic adsorption seat 8 is provided with an avoiding hole 9, the inside of the turnover cover 7 is slidably limited by the heavy hammer 10, and both sides of the heavy hammer 10 are provided with the hammer seat 11. The upper end of the touch probe 12 is provided with the pressing seat 13, and the lower end is provided with the probe 14. When the hammer seat 11 vertically falls along with the heavy hammer 10, the hammer seat 11 can be in contact with the pressing seat through the avoiding hole 9 to realize hammering.

[0033] In the embodiment, the first mounting frame 3 is an L-shaped frame, and a vertical guide assembly 17 is installed between the lower end of the horizontal plate part of the first mounting frame 3 and the moving base 1. The vertical guide assembly 17 comprises an L-shaped plate, a reinforcing rib plate and a vertical rod, the reinforcing rib plate is welded between the L-shaped plate and the moving base 1, one end of the vertical rod is fixed with the first mounting frame 3, and the other end penetrates through the horizontal plate of the L-shaped plate.

[0034] In the embodiment, the second mounting frame 5 is a right-angled trapezoidal frame, a horizontal guide rod 18 penetrating through the vertical plate part of the first mounting frame 3 is fixed to the outer side of the second mounting frame 5, a guide roller 19 is fixed to the bottom end of the second mounting frame 5, and a guide wheel groove matched with the guide roller 19 is formed in the upper end of the horizontal plate part of the first mounting frame.

[0035] In the embodiment, the inner cavity of the turnover cover 7 is in a circular structure with a cutout, and the cutout occupies a central angle of 90-150 degrees of the circle. The shape of the electromagnetic adsorption seat 8 is matched with the shape of the inner cavity of the turnover cover 7, the inner side of the electromagnetic adsorption seat 8 is an electromagnetic adsorption surface, and the electromagnetic adsorption seat 8 realizes the presence or absence of electromagnetic adsorption force by controlling the on-off of the circuit.

[0036] In the embodiment, the maximum stroke of the heavy hammer 10 freely falling in the turnover cover 7 is 50 cm, and the weight sum of the heavy hammer 10 and the hammer seats 11 on both sides is 10 kg. The heavy hammer 10 is made of a metal material that can be electromagnetically adsorbed, and the heavy hammer 10 and the hammer seats 11 on both sides are in an integrated structure.

[0037] One specific application of the embodiment is:

[0038] 1) When the bearing capacity of the foundation needs to be detected, the assembly of each part is completed as shown in Figure 1

[0039] ​2) Place the feeler rod 12 with the pressure seat 13 and the probe 14 directly below the turnover cover 7, so that the axis of the avoiding hole 9 in the lower electromagnetic adsorption seat 8 and the axis of the feeler rod 12 coincide with each other;

[0040] 3) The upper electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the hammer seat 11 is used to hammer the pressure seat 13 at the upper end of the feeler rod 12 to complete the first hammering operation;

[0041] 4) The lower electromagnetic adsorption seat 8 is powered on to adsorb the weight 10, then the lifting push rod 2 is used to lift the turnover cover 7 by a distance, the turnover motor 6 is used to turn over 180 degrees, and the lifting push rod 2 is used to lower the turnover cover 7 by a distance, so that the distance between the turnover cover 7 and the pressure seat 13 meets the hammering collision requirement, so that the next hammering preparation work is completed; the electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the next hammering operation is completed;

[0042] 5) Repeat step 4) until the lowering depth of the feeler rod 12 reaches the set value, record the number of hammerings, and calculate the bearing capacity of the foundation. Embodiment

[0043] This embodiment is basically the same as embodiment one, the inner cavity section of the turnover cover 7 is a circular structure with a notch, and the notch accounts for 90-150 degrees of the center angle of the circle. The shape of the electromagnetic adsorption seat 8 cooperates with the shape of the inner cavity of the turnover cover 7, the inner side of the electromagnetic adsorption seat 8 is an electromagnetic adsorption surface, and the presence or absence of the electromagnetic adsorption force is realized by controlling the on-off of the circuit. The difference lies in that the maximum stroke of the weight 10 freely falling in the turnover cover 7 is 50 cm, and the weight of the weight 10 and the two side hammer seats 11 is 10 kg. The weight 10 is made of a metal material that can be electromagnetically adsorbed, the weight 10 and the two side hammer seats 11 are a split structure, screw installation grooves are symmetrically provided on the two sides of the weight 10, and the hammer seats 11 are correspondingly provided with screw installation parts.

[0044] One specific application of this embodiment is:

[0045] 1) When the bearing capacity of the foundation needs to be detected, assemble all the components as shown in Figure 1

[0046] 2) Place the feeler rod 12 with the pressure seat 13 and the probe 14 directly below the turnover cover 7, so that the axis of the avoiding hole 9 in the lower electromagnetic adsorption seat 8 and the axis of the feeler rod 12 coincide with each other;

[0047] 3) The upper electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the hammer seat 11 is used to hammer the pressure seat 13 at the upper end of the feeler rod 12 to complete the first hammering operation;

[0048] ​4) the lower electromagnetic adsorption seat 8 is powered on to adsorb the weight 10, then the lifting push rod 2 is used to lift the turnover cover 7 by a distance, the turnover motor 6 is used to turn over 180 degrees, the lifting push rod 2 is used to lower the turnover cover 7 by a distance, so that the distance between the turnover cover 7 and the pressure seat 13 meets the hammering collision requirement, thus completing the preparation work for the next hammering; the electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the next hammering operation is completed;

[0049] 5) repeat step 4) until the descending depth of the feeler rod 12 reaches a set value, record the number of hammerings, and calculate the bearing capacity of the foundation. Embodiment

[0050] The embodiment is basically the same as embodiment one, the inner cavity section of the turnover cover 7 is a circular structure with a notch, the notch accounts for 90-150 degrees of the central angle of the circle. The shape of the electromagnetic adsorption seat 8 matches the shape of the inner cavity of the turnover cover 7, the inner side of the electromagnetic adsorption seat 8 is an electromagnetic adsorption surface, and the presence or absence of the electromagnetic adsorption force is realized by controlling the on-off of the circuit. The difference lies in that the maximum stroke of the weight 10 freely falling in the turnover cover 7 is 76 cm, and the weight of the weight 10 and the two side hammers 11 is 63.5 kg. The weight 10 is made of a metal material that can be electromagnetically adsorbed, and the weight 10 and the two side hammers 11 are an integral structure.

[0051] One specific application of the embodiment is:

[0052] 1) when the bearing capacity of the foundation needs to be detected, assemble the components as shown in Figure 1 ;

[0053] 2) place the feeler rod 12 provided with the pressure seat 13 and the probe 14 directly below the turnover cover 7, so that the axis of the avoiding hole 9 in the lower electromagnetic adsorption seat 8 coincides with the axis of the feeler rod 12;

[0054] 3) the upper electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the hammer 11 is used to hammer the pressure seat 13 on the upper end of the feeler rod 12, completing the first hammering operation;

[0055] 4) the lower electromagnetic adsorption seat 8 is powered on to adsorb the weight 10, then the lifting push rod 2 is used to lift the turnover cover 7 by a distance, the turnover motor 6 is used to turn over 180 degrees, the lifting push rod 2 is used to lower the turnover cover 7 by a distance, so that the distance between the turnover cover 7 and the pressure seat 13 meets the hammering collision requirement, thus completing the preparation work for the next hammering; the electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the next hammering operation is completed;

[0056] 5) repeat step 4) until the descending depth of the feeler rod 12 reaches a set value, record the number of hammerings, and calculate the bearing capacity of the foundation. Embodiment

[0057] This embodiment is basically the same as embodiment one, the inner cavity section of the turnover cover 7 is a circular structure with a cutout, the cutout occupies the central angle of the circle of 90~150 degrees. The shape of the electromagnetic adsorption seat 8 cooperates with the shape of the inner cavity of the turnover cover 7, the inner side of the electromagnetic adsorption seat 8 is the electromagnetic adsorption surface, and the presence or absence of its electromagnetic adsorption force is realized by controlling the on-off of the circuit. The difference lies in that the maximum stroke of the weight 10 freely falling in the turnover cover 7 is 76 cm, and the weight of the weight 10 and the two side hammer seats 11 is 63.5 kg. The weight 10 is made of metal material that can be electromagnetically adsorbed, the weight 10 and the two side hammer seats 11 are a split structure, the two sides of the weight 10 are symmetrically provided with threaded mounting grooves, and the hammer seat 11 is correspondingly provided with a threaded mounting part.

[0058] One specific application of this embodiment is:

[0059] 1) When the foundation bearing capacity needs to be detected, assemble all parts as shown in Figure 1 ;

[0060] 2) Place the sounding rod 12 equipped with the pressure seat 13 and the probe 14 directly below the turnover cover 7, so that the axis of the avoidance hole 9 in the lower electromagnetic adsorption seat 8 and the axis of the sounding rod 12 coincide with each other;

[0061] 3) The upper electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the hammer seat 11 is used to hammer the pressure seat 13 at the upper end of the sounding rod 12, completing the first hammering operation;

[0062] 4) The lower electromagnetic adsorption seat 8 is powered on, the weight 10 is adsorbed, then the turnover cover 7 is lifted by a distance by using the lifting push rod 2, then the turnover cover 7 is turned 180 degrees by using the turnover motor 6, then the turnover cover 7 is lowered by a distance by using the lifting push rod 2, so that the distance between the turnover cover 7 and the pressure seat 13 meets the hammering collision requirement, so that the next hammering preparation work is completed; the electromagnetic adsorption seat 8 is powered off, the weight 10 adsorbed thereon freely falls, and the next hammering operation is completed;

[0063] 5) Repeat step 4) until the lowering depth of the sounding rod 12 reaches the set value, record the number of hammerings, and calculate the foundation bearing capacity. Embodiment

[0064] This embodiment is improved on the basis of any one of embodiments one to four, the movable base 1 is provided with a centralizing mechanism for providing displacement guidance for the sounding rod 12, the centralizing mechanism includes a telescopic rod 15 and a centralizing ring 16 installed at the movable end of the telescopic rod 15, the telescopic rod 15 is fixed to the movable base 1 directly or indirectly through a mounting plate, and the inner hole diameter of the centralizing ring 16 is slightly larger than the outer diameter of the sounding rod 12.

[0065] One specific application of the embodiment is:

[0066] By adding the righting mechanism, the probe rod 12 does not need to be manually supported during displacement, and the reliability of hammering is also guaranteed. Embodiment

[0067] The embodiment is improved on the basis of any one of Embodiments 1 to 4, and a measuring mechanism for detecting the depth of the probe rod 12 is installed on the moving base 1, the measuring mechanism comprising a pull rope displacement sensor 20, a support plate 21 with a guide rope wheel, and a sleeve ring 22, the probe rod 12 is installed below the pressing seat 13 by screwing and the sleeve ring 22, the pull rope displacement sensor 20 and the support plate 21 are fixed on the moving base 1, and the pull rope in the pull rope displacement sensor 20 is connected with the sleeve ring 22 after being guided by the guide rope wheels on the support plate 21.

[0068] One specific application of the embodiment is:

[0069] Since the horizontal distance between the probe rod 12 and the support plate 21 is fixed, the change value of the length of the line connecting the sleeve ring 22 and the support plate 21 can be measured, and the change of the depth displacement of the probe rod 12 can be calculated by combining the Pythagorean theorem, based on which, the depth of the probe rod 12 can be calculated in real time by using the data transmitted by the pull rope displacement sensor 20, and the display screen is used for auxiliary display, when the hammering depth reaches the set value, the hammering is stopped, and the number of hammering is recorded (the number of hammering is equal to the number of release of the electromagnetic adsorption seat 8).

[0070] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and do not limit the present application to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the present application. The present application is selected and described in detail in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their full scope and equivalents.

Claims

1. A bearing capacity detection device for building inspection, characterized in that: The lifting mechanism is a bottom surface of the lifting lever, and the lifting mechanism is a bottom surface of the lifting lever, and the lifting mechanism is a bottom surface of the lifting lever. The lifting mechanism is a bottom surface of the lifting lever, and the lifting mechanism is a bottom surface of the lifting lever. The lifting mechanism is a bottom surface of the lifting lever, and the lifting mechanism is a bottom surface of the lifting lever. The shape of the electromagnetic adsorption seat matches the shape of the inner cavity of the flip cover. The inner side of the electromagnetic adsorption seat is the electromagnetic adsorption surface, and the presence or absence of the electromagnetic adsorption force is realized by controlling the on and off of the circuit. The heavy hammer is made of a metal material that can be attracted by electromagnetic force.

2. The bearing capacity detection device for building inspection according to claim 1, characterized in that: The first mounting frame is an L-shaped frame, and a vertical guide component is installed between the lower end of the horizontal plate portion and the movable base.

3. The bearing capacity detection device for building inspection according to claim 2, characterized in that: The second mounting frame is a right-angled trapezoidal frame. A horizontal guide rod that passes through the vertical plate portion of the first mounting frame is fixed to the outer side of the second mounting frame. A guide roller is fixed to the bottom end of the second mounting frame, and a matching guide wheel groove is opened at the upper end of the horizontal plate portion of the first mounting frame.

4. The bearing capacity detection device for building inspection according to claim 1, characterized in that: The inner cavity cross section of the flip cover is a circular structure with a cutout, and the central angle of the circle occupied by the cutout is 90 to 150 degrees.

5. The bearing capacity detection device for building inspection according to claim 1, characterized in that: The maximum stroke of the heavy hammer that can fall freely in the flip cover is 76 cm, and the total weight of the heavy hammer and the hammer seats on both sides is 63.5 kg; or the maximum stroke of the heavy hammer that can fall freely in the flip cover is 50 cm, and the total weight of the heavy hammer and the hammer seats on both sides is 10 kg.

6. The bearing capacity detection device for building inspection according to claim 1, characterized in that: The heavy hammer and the hammer seats on both sides are an integrated structure or a split structure; when the split structure is adopted, threaded mounting grooves are symmetrically opened on both sides of the heavy hammer, and the hammer seats are correspondingly provided with threaded mounting parts.

7. The bearing capacity detection device for building inspection according to claim 1, characterized in that: The mobile base is provided with a stabilizing mechanism for providing displacement guidance for the feeler rod. The stabilizing mechanism comprises a telescopic rod and a stabilizing ring mounted on its movable end. The telescopic rod is fixed to the mobile base directly or indirectly via a mounting plate.

8. The bearing capacity detection device for building inspection according to claim 1, characterized in that: A measuring mechanism for detecting the descent depth of the feeler rod is installed on the mobile base. The measuring mechanism includes a rope displacement sensor, a support plate with a guide rope wheel and a ring. The feeler rod is located below the pressure seat and is installed with a ring. The rope displacement sensor and the support plate are fixed on the mobile base. The rope in the rope displacement sensor is guided by the guide rope wheel on the support plate and then connected to the ring.

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