CN215669731U - Equipment for detecting stability of foundation - Google Patents

Abstract

The utility model discloses equipment for detecting the stability of a foundation, which relates to the technical field of detection of the stability of the foundation and comprises a top plate and a bottom plate which are symmetrically arranged, wherein a pressure adjusting mechanism is fixedly arranged on the lower surface of the top plate, the pressure adjusting mechanism comprises a servo motor fixedly arranged on one side of the middle part of the lower surface of the top plate, and a wedge-shaped block is fixedly arranged at the bottom of a driving sliding block; a pressing mechanism for testing the stability of the foundation is arranged in the guide sleeve in a sliding manner; and a traction structure for drawing the pressing mechanism is fixedly arranged on the side wall of the U-shaped clamping block. Among this technical scheme, when servo motor rotated through its output shaft, can drive the forward or the antiport of threaded rod to make the initiative slider can drive the wedge and remove to both sides, and then can turn into the straight reciprocating motion of the horizontal formula of initiative slider, push down the vertically of mechanism and push down the formula motion, thereby make the feeler lever exert different pressure to the ground.

Description

Equipment for detecting stability of foundation

Technical Field

The utility model relates to the technical field of foundation stability detection, in particular to equipment for detecting foundation stability.

Background

The foundation refers to a soil body or a rock body for supporting a foundation under a building, the soil layer serving as the building foundation is divided into rock, gravel soil, sand soil, silt, cohesive soil and artificial filling soil, the foundation comprises a natural foundation and an artificial foundation (composite foundation), the natural foundation is a natural soil layer which does not need human reinforcement, the artificial foundation needs human reinforcement, and a stone chip cushion, a sand cushion and mixed lime soil are commonly backfilled and tamped.

After the artificial foundation is reinforced, the stability of the foundation needs to be detected, and the foundation can be put into use after being detected and accepted, the stability detection of the foundation relates to the detection of the bearing capacity of the foundation, and the commonly adopted methods include an in-situ test method, a theoretical formula method, a standard table method and a local experience method, wherein the most commonly adopted method is the in-situ test method, the in-situ test method is a method for determining the bearing capacity through a field direct test, and comprises a (static) load test, a static penetration test, a standard penetration test, a side pressure test and the like, wherein the load test and the static penetration test are most commonly used, when the static penetration test is adopted, a site tester usually needs to lift a touch probe rod together by a plurality of persons and tamp the touch probe rod into the foundation, and through adding a balance weight, the touch probe rod can be tamped into the deep part of the foundation, various data of the stability of the foundation are obtained through calculation of a measuring and calculating person beside the foundation, the construction method needs more workers to participate, the feeler lever is difficult to lift after a large counter weight is added due to the problem of strength of the workers, and the data of the stability of the foundation under different pressing acting forces are difficult to detect under the condition that more workers are not involved, so that the equipment for detecting the stability of the foundation is provided.

Disclosure of Invention

The utility model aims to provide equipment for detecting stability of a foundation, and the equipment is used for solving the problems that when a static sounding test is adopted, a construction site tester often needs a plurality of persons to lift a feeler lever together, tamp the feeler lever into the foundation, increase a balance weight to enable the feeler lever to be tamped into the deep part of the foundation, and obtain various data of the stability of the foundation through calculation of a nearby measurer, the construction method needs more workers to participate, and the workers are difficult to lift the feeler lever due to the problem of strength after increasing the balance weight and detect the data of the stability of the foundation under different pressing forces under the condition of reducing the participation of more workers.

In order to achieve the purpose, the utility model provides the following technical scheme: the equipment for detecting the stability of the foundation comprises a top plate and a bottom plate which are symmetrically arranged, wherein supporting rods are vertically and fixedly arranged at four corners between the top plate and the bottom plate, and universal wheels for movement are fixedly arranged at four corners at the bottom of the bottom plate;

the lower surface of the top plate is fixedly provided with a pressure adjusting mechanism, the pressure adjusting mechanism comprises a servo motor fixedly arranged on one side of the middle part of the lower surface of the top plate, the middle part of the lower surface of the top plate is slidably provided with an active sliding block, one side of the lower surface of the top plate, which is far away from the servo motor, is fixedly provided with a fixed plate, an output shaft of the servo motor is fixedly provided with a threaded rod, one end of the threaded rod penetrates through the active sliding block and the fixed plate respectively and is rotatably connected with the fixed plate, the bottom of the active sliding block is fixedly provided with a wedge block, and the lower surface of the wedge block is in an inclined plane shape;

the device comprises a base plate, a through hole, a guide sleeve, a pressing mechanism and a pressing mechanism, wherein the through hole is formed in the diagonal intersection of the surface of the base plate, the guide sleeve is fixedly installed in the through hole and used for guiding, and the pressing mechanism is installed in the guide sleeve in a sliding mode and used for testing the stability of a foundation;

the downward pressing mechanism comprises a touch rod, the touch rod is inserted into the guide sleeve, a U-shaped fixture block is fixedly mounted at one end part of the touch rod facing the wedge-shaped block, a roller is rotatably mounted in the U-shaped fixture block, and the circumferential side wall of the roller is in rolling connection with the lower surface of the wedge-shaped block in an inclined plane shape;

and a traction structure for drawing the pressing mechanism is fixedly arranged on the side wall of the U-shaped fixture block, and one end of the traction structure is slidably arranged on the side wall of the wedge-shaped block.

By adopting the technical scheme, the foundation stability detection equipment is placed on a foundation needing stability detection in a construction site, the foundation stability detection equipment can be moved under the moving action of the universal wheel, when the servo motor rotates forwards or reversely through the output shaft of the servo motor, the screw rod can be driven to rotate forwards or reversely, so that the driving slide block can drive the wedge block to move towards two sides, the lower surface of the wedge block is in an inclined plane shape, the roller can drive the U-shaped fixture block through rolling connection with the roller in the moving process of the wedge block, the U-shaped fixture block drives the touch rod to do downward pressing type linear motion, after the bottom end of the touch rod is inserted into the foundation, the touch rod can apply different pressures to the foundation under the inclined plane action of the wedge block so as to test the degree of the bearing capacity of the foundation under different pressures, after a tester calculates and calculates the data of the stability of the foundation, the downward pressing mechanism and the wedge block can be pulled mutually under the action of the pulling structure, so that the feeler lever can perform vertical linear downward pressing movement along with the movement of the wedge block.

Preferably, a threaded hole is formed in the side wall, facing the servo motor, of one side of the driving sliding block, the threaded rod is installed in the threaded hole in an inserted mode, and the threaded rod is in threaded connection with the threaded hole.

By adopting the technical scheme, the threaded rod is inserted and installed in the threaded hole, and the driving sliding block can be driven to do linear reciprocating motion under the threaded motion of the threaded rod.

Preferably, the middle part of the lower surface of the top plate is provided with a sliding groove, a driven sliding block for guiding is arranged in the sliding groove in a sliding mode, and the bottom of the driven sliding block is fixedly connected with the top of the driving sliding block.

Through adopting above-mentioned technical scheme, the slip of driven slider in the spout can make the guidance quality of initiative slider when removing better, has also reduced the burden when the threaded rod rotates.

Preferably, the guide way has all been seted up to the inner chamber both sides of spout, equal slidable mounting has the gib block in the guide way, just the lateral wall of gib block all with driven slider's lateral wall fixed connection.

By adopting the technical scheme, as the driving slide block and the wedge-shaped block form a structure with certain weight, after the guide strip is fixedly connected with the driven slide block, the driven slide block is fixedly connected with the driving slide block, and the guide strip can enable the driving slide block to have higher bearing force when moving under the sliding action of the guide strip in the guide groove, so that the threaded rod is prevented from being broken due to overlarge stress.

Preferably, the center of the roller is rotatably provided with a roller shaft rod, and the end parts of the two ends of the roller shaft rod penetrate through the side wall of the U-shaped fixture block.

Through adopting above-mentioned technical scheme, under the effect of roller axostylus axostyle, can guarantee that roller and U type fixture block rotate and be connected to through the roller axostylus axostyle, on the power when making the wedge push down can transmit to U type fixture block, by U type fixture block to feeler lever conduction again.

Preferably, waist type spout has all been seted up to the both sides lateral wall of wedge, the tractive structure includes connecting rod and spliced pole, just connecting rod and spliced pole constitute the type of falling L, the connecting rod is towards the tip fixed connection of the lateral wall one end of U type fixture block and roller axostylus axostyle, the perpendicular fixed mounting of lateral wall one end that the roller axostylus axostyle was kept away from to the connecting rod has the spliced pole, just the one end tip that the connecting rod was kept away from to the spliced pole peg graft install in the waist type spout, and with waist type spout sliding connection.

By adopting the technical scheme, when the roller rolls on the lower surface of the wedge-shaped block in the inclined plane shape, one end of the connecting column can synchronously slide in the waist-shaped sliding groove, and the connecting rod can always pull the U-shaped clamping block and the feeler lever under the fixed connection action of the connecting rod and the roller shaft lever, so that the pressing mechanism can convert the transverse linear reciprocating motion of the pressure adjusting mechanism into the vertical pressing motion.

Preferably, the waist-shaped sliding groove is parallel to the lower surface of the wedge-shaped block in an inclined plane shape.

By adopting the technical scheme, the connecting column can conveniently slide in the kidney-shaped sliding groove, and the distance between the circumferential side wall of the connecting column and the circumferential side wall of the roller is always kept equal.

Preferably, one end of the feeler lever, which is far away from the U-shaped fixture block, is conical.

By adopting the technical scheme, one end of the conical feeler lever can conveniently extend into the foundation.

Preferably, the lower fixed surface that the roof is located servo motor one side installs the bracket, the layer board upper surface fixed connection of bracket has servo driver, servo driver's control output pass through the wire with servo motor's automatically controlled input electric connection.

Through adopting above-mentioned technical scheme, the bracket is used for supporting servo driver, and servo driver installs on the bracket, and the construction operating personnel's of being convenient for use, on-the-spot construction operating personnel is through the forward pulse control button on the operation servo driver to and reverse pulse control button, can make servo motor's output shaft carry out forward or reverse rotation, in order to realize the control to servo motor's positive and negative rotation.

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

firstly, in the technical scheme, when a servo motor rotates forwards or reversely through an output shaft of the servo motor, the servo motor can drive the threaded rod to rotate forwards or reversely, so that a driving slide block can drive a wedge block to move towards two sides, because the lower surface of the wedge block is in an inclined plane shape, the roller can drive a U-shaped fixture block through rolling connection with the roller in the moving process of the wedge block, the U-shaped fixture block drives a feeler lever to do downward pressing type linear motion, after the bottom end of the feeler lever is inserted into a foundation, the feeler lever can apply different pressures to the foundation under the action of the inclined plane of the wedge block so as to test the degree of the force which can be borne by the foundation under different pressures, and various data of the stability of the foundation can be calculated through measurement and calculation of a tester beside the foundation, so that under the condition of reducing participation of more workers and under the condition of not needing to lift the feeler lever by the workers, the problem of data of the stability of the foundation under different pressing acting forces can be detected;

in the technical scheme, the driven sliding block slides in the sliding groove, so that the guidance of the driving sliding block during moving is better, and the burden of the threaded rod during rotating is reduced;

in the technical scheme, as the structure formed by the driving sliding block and the wedge-shaped block has certain weight, after the guide strip is fixedly connected with the driven sliding block, the driven sliding block is fixedly connected with the driving sliding block, and the guide strip can enhance the bearing capacity of the driving sliding block during moving under the sliding action in the guide groove, thereby avoiding the problem that the threaded rod is broken due to overlarge stress;

fourthly, in the technical scheme, the pulling structure is of an inverted L shape, when the transverse linear reciprocating motion of the pressure adjusting mechanism can be converted into the vertical downward-pressing motion by the downward-pressing mechanism, the downward-pressing mechanism is always connected with the pressure adjusting mechanism, when the roller rolls on the lower surface of the wedge-shaped wedge block which is in an inclined plane shape, one end of the connecting column can synchronously slide in the waist-shaped sliding groove, and under the fixed connection effect of the connecting rod and the roller shaft rod, the connecting rod can always pull the U-shaped clamping block and the touch rod, so that the downward-pressing mechanism can convert the transverse linear reciprocating motion of the pressure adjusting mechanism into the vertical downward-pressing motion.

Drawings

FIG. 1 is a schematic perspective view of an apparatus for detecting stability of a foundation according to the present invention;

FIG. 2 is a schematic perspective view of one of the views of an apparatus for ground stability detection according to the present invention;

FIG. 3 is a schematic perspective view of a second embodiment of the apparatus for ground stability detection according to the present invention;

FIG. 4 is a schematic perspective view of a top plate, an active sliding block and a wedge block in the apparatus for ground stability detection according to the present invention;

FIG. 5 is an enlarged perspective view of part A of FIG. 4;

FIG. 6 is a schematic perspective view of a pressure adjustment mechanism in the apparatus for ground stability detection according to the present invention;

FIG. 7 is a schematic perspective view of a driving slider, a driven slider, a guide bar and a wedge block in the apparatus for ground stability detection according to the present invention;

FIG. 8 is a schematic perspective view of a pressing mechanism in the apparatus for testing stability of foundation according to the present invention;

FIG. 9 is an enlarged perspective view of the portion B of FIG. 8;

FIG. 10 is a schematic perspective view of a wedge, a U-shaped fixture block and a roller of the apparatus for testing ground stability according to the present invention;

fig. 11 is a schematic perspective view of a bottom plate of the apparatus for detecting stability of foundation according to the present invention.

In the figure: 1. a top plate; 11. a chute; 12. a guide groove; 2. a base plate; 21. a guide sleeve; 3. a universal wheel; 4. a support bar; 5. a pressure adjusting mechanism; 51. a servo motor; 52. a threaded rod; 53. a fixing plate; 54. an active slider; 541. a threaded hole; 55. a driven slider; 56. a guide strip; 57. a wedge block; 58. a waist-shaped chute; 6. a pressing mechanism; 61. a feeler lever; 62. a U-shaped fixture block; 63. a roller; 64. a roller shaft lever; 7. a pulling structure; 71. a connecting rod; 72. connecting columns; 8. a bracket; 9. a servo driver.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, the present invention provides a technical solution:

as shown in fig. 1 to 11, an apparatus for detecting stability of a foundation includes a top plate 1 and a bottom plate 2, which are symmetrically disposed, wherein support rods 4 are vertically and fixedly installed at four corners between the top plate 1 and the bottom plate 2, and universal wheels 3 for movement are fixedly installed at four corners of the bottom plate 2;

the lower surface of the top plate 1 is fixedly provided with a pressure adjusting mechanism 5, the pressure adjusting mechanism 5 comprises a servo motor 51 fixedly arranged on one side of the middle part of the lower surface of the top plate 1, the middle part of the lower surface of the top plate 1 is slidably provided with a driving sliding block 54, one side of the lower surface of the top plate 1, which is far away from the servo motor 51, is fixedly provided with a fixed plate 53, an output shaft of the servo motor 51 is fixedly provided with a threaded rod 52, one end of the threaded rod 52 is respectively penetrated through the driving sliding block 54 and the fixed plate 53 and is rotatably connected with the fixed plate 53, under the supporting action of the fixed plate 53, one end of the threaded rod 52, which is far away from the servo motor 51, has a supporting action, the bottom of the driving sliding block 54 is fixedly provided with a wedge block 57, and the lower surface of the wedge block 57 is in an inclined plane shape;

a through hole is formed at the diagonal intersection of the surface of the bottom plate 2, a guide sleeve 21 for guiding is fixedly arranged in the through hole, and a pressing mechanism 6 for testing the stability of the foundation is slidably arranged in the guide sleeve 21;

the downward pressing mechanism 6 comprises a touch rod 61, the touch rod 61 is inserted and installed in the guide sleeve 21, under the guiding action of the guide sleeve 21, the touch rod 61 can always make a linear motion of sliding up and down on the inner wall of the touch rod 61, the inclination and deviation of the touch rod 61 are avoided, a U-shaped fixture block 62 is fixedly installed at one end part of the touch rod 61 facing the wedge block 57, a roller 63 is rotatably installed in the U-shaped fixture block 62, and the circumferential side wall of the roller 63 is in rolling connection with the lower surface of the wedge block 57 in an inclined plane shape;

wherein, the side wall of the U-shaped fixture block 62 is fixedly provided with the pulling structure 7 for pulling the pressing mechanism 6, one end of the pulling structure 7 is slidably mounted with the side wall of the wedge block 57, the ground stability detection device is placed on a ground needing to detect stability in a construction site, under the moving action of the universal wheel 3, the ground stability detection device can be moved arbitrarily, when the servo motor 51 rotates forwards or reversely through the output shaft thereof, the screw rod 52 can be driven to rotate forwards or reversely, so that the driving slide block 54 can drive the wedge block 57 to move towards two sides, because the lower surface of the wedge block 57 is in the shape of an inclined plane, in the moving process of the wedge block 57, the roller 63 can drive the U-shaped fixture block 62 through rolling connection with the roller 63, the U-shaped fixture block 62 drives the touch rod 61 to do downward linear motion, after the bottom end of the touch rod 61 is inserted into the ground, under the action of the inclined surface of the wedge block 57, the feeler lever 61 can apply different pressures to the foundation so as to test the degree of force which can be borne by the foundation under different pressures, various data of the stability of the foundation are calculated through measurement and calculation by a tester, and under the action of the traction structure 7, the pressing mechanism 6 and the wedge block 57 can be mutually pulled so as to ensure that the feeler lever 61 can perform vertical linear pressing motion along with the motion of the wedge block 57.

In order to enable the threaded rod 52 to drive the driving slider 54 to move, a threaded hole 541 is formed in one side wall of the driving slider 54 facing the servo motor 51, the threaded rod 52 is inserted into the threaded hole 541, the threaded rod 52 is in threaded connection with the threaded hole 541, the threaded rod 52 is inserted into the threaded hole 541, and the driving slider 54 can be driven to linearly reciprocate under the threaded movement of the threaded rod 52.

In order to make the guiding performance of the driving slider 54 better when moving, the middle part of the lower surface of the top plate 1 is provided with the sliding groove 11, the sliding groove 11 is internally provided with a driven slider 55 for guiding in a sliding way, the bottom of the driven slider 55 is fixedly connected with the top of the driving slider 54, and the driven slider 55 slides in the sliding groove 11, so that the guiding performance of the driving slider 54 when moving is better, and the burden of the threaded rod 52 when rotating is also reduced.

In order to enable the driving slider 54 to have higher bearing force when moving, the guide grooves 12 are formed in two sides of the inner cavity of the sliding groove 11, the guide strips 56 are slidably mounted in the guide grooves 12, the side walls of the guide strips 56 are fixedly connected with the side walls of the driven slider 55, and the driving slider 54 and the driven slider 55 are fixedly connected due to the fact that the driving slider 54 and the wedge blocks 57 have certain weight in the structure formed by the driving slider 54 and the wedge blocks, after the guide strips 56 are fixedly connected with the driven slider 55, the driven slider 55 is fixedly connected with the driving slider 54, and the guide strips 56 can enable the driving slider 54 to have higher bearing force when moving under the sliding action in the guide grooves 12, and the threaded rod 52 is prevented from being broken due to overlarge stress.

In order to ensure that the roller 63 is rotatably connected with the U-shaped fixture block 62, the center of the roller 63 is rotatably provided with a roller shaft lever 64, the end parts of the two ends of the roller shaft lever 64 penetrate through the side wall of the U-shaped fixture block 62, the roller 63 can be rotatably connected with the U-shaped fixture block 62 under the action of the roller shaft lever 64, the force generated when the wedge block 57 is pressed down can be transmitted to the U-shaped fixture block 62 through the roller shaft lever 64, and then the force is transmitted to the feeler lever 61 through the U-shaped fixture block 62.

In order to enable the pulling structure 7 to pull the pushing mechanism 6 in the movement process of the pressure adjusting mechanism 5, waist-shaped sliding grooves 58 are formed in both side walls of the wedge block 57, the pulling structure 7 comprises a connecting rod 71 and a connecting column 72, the connecting rod 71 and the connecting column 72 form an inverted L shape, one end of the connecting rod 71, facing the side wall of the U-shaped fixture block 62, is fixedly connected with the end of the roller shaft rod 64, one end of the connecting rod 71, far away from the roller shaft rod 64, is vertically and fixedly provided with the connecting column 72, and one end of the connecting column 72, far away from the connecting rod 71, is inserted and installed in the waist-shaped sliding groove 58 and is in sliding connection with the waist-shaped sliding groove 58, when the roller 63 rolls on the lower surface of the wedge block 57 in the inclined plane shape, one end of the connecting column 72 can synchronously slide in the waist-shaped sliding groove 58, and under the fixed connection effect of the connecting rod 71 and the roller 64, the connecting rod 71 can enable the connecting rod 71 to always pull the U-shaped fixture block 62 and the probe rod 61, further, the pressing mechanism 6 can convert the horizontal linear reciprocating motion of the pressure adjusting mechanism 5 into the vertical pressing motion.

In order to ensure that one end of the connecting column 72 can slide in the kidney-shaped sliding groove 58, the kidney-shaped sliding groove 58 is parallel to the lower surface of the wedge block 57 in the shape of an inclined plane, the connecting column 72 can slide in the kidney-shaped sliding groove 58 conveniently under the arrangement, and the distance between the circumferential side wall of the connecting column 72 and the circumferential side wall of the roller 63 is always kept equal.

In order to make the building site constructor can carry out manual control to the forward and the reverse rotation of servo motor 51 output shaft, in order to reach experimental demand, the lower fixed surface that roof 1 is located servo motor 51 one side installs bracket 8, bracket 8's layer board upper surface fixed connection has servo driver 9, servo driver 9's control output passes through wire and servo motor 51's automatically controlled input electric connection, bracket 8 is used for holding servo driver 9, servo driver 9 installs on bracket 8, be convenient for construction operation personnel's use, site construction operation personnel is through operating the forward pulse control button on the servo driver 9, and reverse pulse control button, can make servo motor 51's output shaft carry out forward or reverse rotation, in order to realize the control to servo motor 51's positive and negative rotation.

According to the technical scheme, the working steps of the scheme are summarized and carded:

the foundation stability detection equipment is placed on a foundation needing stability detection in a construction site, the foundation stability detection equipment can be moved under the moving action of the universal wheel 3, when the servo motor 51 rotates forwards or reversely through an output shaft of the servo motor, the threaded rod 52 can be driven to rotate forwards or reversely, so that the driving slide block 54 can drive the wedge block 57 to move towards two sides, as the lower surface of the wedge block 57 is in an inclined plane shape, the roller 63 can drive the U-shaped fixture block 62 through rolling connection with the roller 63 in the moving process of the wedge block 57, the U-shaped fixture block 62 drives the touch rod 61 to do downward linear motion, after the bottom end of the touch rod 61 is inserted into the foundation, the touch rod 61 can apply different pressures to the foundation under the inclined plane action of the wedge block 57, so as to test the degree of the bearing force of the foundation under different pressures, after a tester calculates and calculates the data of the stability of the foundation, the downward pressing mechanism 6 and the wedge block 57 can be pulled mutually under the action of the pulling structure 7, so that the feeler lever 61 can perform vertical linear downward pressing movement along with the movement of the wedge block 57.

To sum up:

in the technical scheme, when the servo motor 51 rotates forwards or backwards through an output shaft of the servo motor, the screw rod 52 can be driven to rotate forwards or backwards, so that the driving slide block 54 can drive the wedge block 57 to move towards two sides, because the lower surface of the wedge block 57 is in an inclined plane shape, in the moving process of the wedge block 57, the roller 63 can drive the U-shaped fixture block 62 through rolling connection with the roller 63, the U-shaped fixture block 62 drives the contact rod 61 to do downward linear motion, after the bottom end of the contact rod 61 is inserted into a foundation, under the inclined plane action of the wedge block 57, different pressures can be applied to the foundation by the contact rod 61, so as to test the degree of the force which can be borne by the foundation under different pressures, and after a tester calculates various data of the stability of the foundation through measurement beside, so that under the condition of reducing more workers, the problem that data of foundation stability under different pressing acting forces can be detected without lifting the feeler lever by a worker is solved;

in the technical scheme, the driven slide block 55 slides in the sliding groove 11, so that the guidance of the driving slide block 54 during moving is better, and the burden of the threaded rod 52 during rotating is reduced;

in the technical scheme, because the structure formed by the driving slide block 54 and the wedge block 57 has a certain weight, after the guide strip 56 is fixedly connected with the driven slide block 55, the driven slide block 55 is fixedly connected with the driving slide block 54, and the guide strip 56 can enhance the bearing force of the driving slide block 54 during moving under the sliding action in the guide groove 12, thereby avoiding the problem that the threaded rod 52 is broken due to overlarge stress;

in the technical scheme, the inverted-L-shaped pulling structure 7 can enable the pressing mechanism 6 to be always connected with the pressure adjusting mechanism 5 when the pressing mechanism 6 converts the horizontal linear reciprocating motion of the pressure adjusting mechanism 5 into the vertical pressing motion, when the roller 63 rolls on the lower surface of the inclined wedge block 57, one end of the connecting column 72 can synchronously slide in the waist-shaped sliding groove 58, and the connecting rod 71 can enable the connecting rod 71 to always pull the U-shaped fixture block 62 and the touch rod 61 under the fixed connection action of the connecting rod 71 and the roller shaft rod 64, so that the pressing mechanism 6 can convert the horizontal linear reciprocating motion of the pressure adjusting mechanism 5 into the vertical pressing motion.

It should be noted that the electric control input ends of the servo motor 51 and the servo driver 9 are both connected to a power supply on the construction site to provide electric energy for the servo motor 51 and the servo driver 9, and meanwhile, as is well known to those skilled in the art, the working principle and the wiring method of the servo motor 51 and the servo driver 9 are common and belong to conventional means or common knowledge, and are not described herein again, and those skilled in the art can arbitrarily select and match their models according to their needs or convenience.

The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (9)

1. The utility model provides an equipment for ground stability detects, includes roof (1) and bottom plate (2) that the symmetry set up, its characterized in that: four corners between the top plate (1) and the bottom plate (2) are vertically and fixedly provided with supporting rods (4), and four corners at the bottom of the bottom plate (2) are fixedly provided with universal wheels (3) for movement;

the lower surface of the top plate (1) is fixedly provided with a pressure adjusting mechanism (5), the pressure adjusting mechanism (5) comprises a servo motor (51) fixedly installed on one side of the middle part of the lower surface of the top plate (1), the middle part of the lower surface of the top plate (1) is slidably provided with a driving sliding block (54), one side, far away from the servo motor (51), of the lower surface of the top plate (1) is fixedly provided with a fixing plate (53), an output shaft of the servo motor (51) is fixedly provided with a threaded rod (52), one end of the threaded rod (52) penetrates through the driving sliding block (54) and the fixing plate (53) respectively and is rotatably connected with the fixing plate (53), the bottom of the driving sliding block (54) is fixedly provided with a wedge block (57), and the lower surface of the wedge block (57) is in an inclined plane shape;

a through hole is formed in the diagonal intersection point of the surface of the bottom plate (2), a guide sleeve (21) for guiding is fixedly installed in the through hole, and a pressing mechanism (6) for testing the stability of the foundation is installed in the guide sleeve (21) in a sliding manner;

the downward pressing mechanism (6) comprises a touch rod (61), the touch rod (61) is installed in the guide sleeve (21) in an inserted mode, a U-shaped fixture block (62) is fixedly installed at one end portion, facing the wedge-shaped block (57), of the touch rod (61), a roller (63) is rotatably installed in the U-shaped fixture block (62), and the circumferential side wall of the roller (63) is in rolling connection with the lower surface of the wedge-shaped block (57) in an inclined plane shape;

the side wall of the U-shaped clamping block (62) is fixedly provided with a pulling structure (7) for pulling the pressing mechanism (6), and one end of the pulling structure (7) is slidably arranged with the side wall of the wedge-shaped block (57).

2. An apparatus for ground stability detection according to claim 1, characterized in that: the side wall of one side, facing the servo motor (51), of the driving sliding block (54) is provided with a threaded hole (541), the threaded rod (52) is installed in the threaded hole (541) in an inserted mode, and the threaded rod (52) is in threaded connection with the threaded hole (541).

3. An apparatus for ground stability detection according to claim 1, characterized in that: the lower surface middle part of roof (1) has seted up spout (11), slidable mounting has driven slider (55) that are used for the direction in spout (11), the bottom of driven slider (55) with the top fixed connection of initiative slider (54).

4. An apparatus for ground stability detection according to claim 3, characterized in that: guide way (12) have all been seted up to the inner chamber both sides of spout (11), equal slidable mounting has gib block (56) in guide way (12), just the lateral wall of gib block (56) all with the lateral wall fixed connection of driven slide block (55).

5. An apparatus for ground stability detection according to claim 1, characterized in that: the center of the roller (63) is rotatably provided with a roller shaft lever (64), and the end parts of the two ends of the roller shaft lever (64) penetrate through the side wall of the U-shaped fixture block (62).

6. An apparatus for ground stability detection according to claim 5, characterized in that: waist type spout (58) have all been seted up to the both sides lateral wall of wedge (57), tractive structure (7) include connecting rod (71) and spliced pole (72), just connecting rod (71) and spliced pole (72) constitute the type of falling L, the tip fixed connection of lateral wall one end and roller axostylus axostyle (64) of connecting rod (71) orientation U type fixture block (62), the perpendicular fixed mounting in lateral wall one end of roller axostylus axostyle (64) has spliced pole (72) is kept away from in connecting pole (71), just one end tip grafting that connecting rod (71) were kept away from in spliced pole (72) install in waist type spout (58), and with waist type spout (58) sliding connection.

7. An apparatus for ground stability detection according to claim 6, characterized in that: the waist-shaped sliding groove (58) is parallel to the lower surface of the wedge-shaped block (57) in an inclined plane shape.

8. An apparatus for ground stability detection according to claim 6, characterized in that: one end of the feeler lever (61) far away from the U-shaped fixture block (62) is conical.

9. An apparatus for ground stability detection according to claim 3, characterized in that: the lower fixed surface that roof (1) is located servo motor (51) one side installs bracket (8), the layer board upper surface fixed connection of bracket (8) has servo driver (9), the control output of servo driver (9) pass through the wire with the automatically controlled input electric connection of servo motor (51).

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