CN210917490U - Double-inclined pull lever type foundation pile pressure test detection device with dissipation component force - Google Patents
Double-inclined pull lever type foundation pile pressure test detection device with dissipation component force Download PDFInfo
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- CN210917490U CN210917490U CN201921238762.XU CN201921238762U CN210917490U CN 210917490 U CN210917490 U CN 210917490U CN 201921238762 U CN201921238762 U CN 201921238762U CN 210917490 U CN210917490 U CN 210917490U
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Abstract
The utility model discloses double diagonal tension lever type foundation pile pressure testing detection device that has dissipation component belongs to and carries out the device that the pressure testing detected to surveyed foundation pile bearing pressure with peripheral many foundation piles. The device decomposes the downward pressure of the foundation pile to be detected into upward tension of a plurality of peripheral foundation piles through a plurality of combined devices of a plurality of triangular cable-stayed mechanisms which can be connected with the peripheral foundation piles and are radially arranged by taking a central support rod assembly on the upper surface of the foundation pile to be detected as the center, but the upward tension of the peripheral foundation piles can be dissipated to pull the peripheral foundation piles upwards, namely the upward tension of the peripheral foundation piles is actually smaller than the theoretical component force of the triangular cable-stayed mechanisms, and the dissipated upward tension reduces the destructive influence on the peripheral foundation piles; and the moving length of the telescopic column of the operating jack is greater than the upward moving length of the peripheral foundation pile through the spring, so that the destructive influence on the peripheral foundation pile is reduced.
Description
Technical Field
The utility model belongs to the foundation pile pressure testing detection device of building especially changes into by survey foundation pile downward pressure with the peripheral many foundation piles of being surveyed foundation pile upwards pulling to carry out the device that the pressure testing detected to being surveyed foundation pile bearing pressure.
Background
The Chinese patent 201410038857.2, which was filed earlier by the applicant of this patent, is a device for measuring the upward tension of a prestressed pipe pile by using the component force of peripheral pipe piles, which is a device for obliquely pulling the downward pressure of a foundation pile to be measured through a plurality of triangles and decomposing the downward pressure into a plurality of peripheral foundation piles, wherein the sum of the upward tension of each peripheral foundation pile is greater than the downward pressure of the foundation pile to be measured after the triangle is directly decomposed. The disadvantages are that the upward tension on the perimeter side foundation piles may be too great and be pulled up too long to damage the perimeter side foundation piles.
Disclosure of Invention
The utility model aims at providing a device which divides the downward pressure of the foundation pile to be measured into upward pulling force to the peripheral foundation pile through a plurality of triangular oblique-pulling combination devices, and pulls the peripheral foundation pile upward in a way of dissipating the upward pulling force to the peripheral foundation pile, namely, the upward pulling force to the peripheral foundation pile is actually smaller than the theoretical component force of the triangular oblique pulling, and the destructive influence to the peripheral foundation pile is reduced; and the moving length of the telescopic column of the operating jack is greater than the upward moving length of the peripheral foundation pile by a spring, so that the destructive influence on the peripheral foundation pile is reduced.
The utility model discloses a structure:
have the pressure testing detection device of oblique pull rod formula foundation pile of dissipation component, press from both sides the assembly including the jack, many oblique pull rod 1, many crossbeams 2, its characterized in that: the jack clamp assembly is connected with the top spring displacement reducing assembly; the inclined pull rod 1 is connected with the double-lever dissipation pull assembly and the top spring displacement reduction assembly, and the cross beam 2 is connected with the double-lever dissipation pull assembly and the jack clamp assembly; according to the rank, a triangular device for dissipating and distributing component force of pressure test pressure of a tested foundation pile is formed by a top spring reduced displacement assembly, two diagonal draw bars 1, a double-lever dissipated tension assembly, a cross beam 2, a jack clamp assembly and a central support bar assembly, and a plurality of triangular devices for dissipating and distributing component force are arranged in a radial manner by taking a top spring reduced displacement assembly, the central support bar assembly and a jack clamp assembly connector as centers;
jack clamp assembly: the device comprises an upper steel clamping plate and a lower steel clamping plate 3, wherein an operating jack 4 is arranged in the center of an interlayer space between the upper steel clamping plate and the lower steel clamping plate 3, and a plurality of cross beams 2 are embedded in the interlayer space of the two steel clamping plates 3 around the operating jack 4; a plurality of groups of corresponding jacks are arranged at the peripheries of the upper and lower steel clamping plates 3, and the inserted pins penetrate through the jacks of the upper and lower steel clamping plates 3 and the jacks of the cross beam 2, so that the end of the cross beam 2 is fixed in the interlayer space between the upper and lower steel clamping plates 3; the upper surface of the upper steel splint 3 is also provided with a short sleeve 5 for sleeving the central support rod assembly;
the top spring reduces the displacement assembly: comprises a top cover 6, a bottom coil pipe 7, a middle short pipe 8 and an outer spring 9; the opposite surfaces of the top cover 6 and the bottom coil pipe 7 are respectively provided with a recess 10, the side walls of the recesses of the top cover 6 and the bottom coil pipe 7 are both provided with an outer spring slot ring 11, and two ends of an outer spring 9 are respectively clamped in the outer spring slot rings 11 of the top cover 6 and the bottom coil pipe 7 and fixedly connected; the outer surface of the outer spring 9 is provided with a middle short pipe 8, and the outer surface of the middle short pipe 8 is provided with a plurality of perforated connecting plates 12;
the jack clamp assembly and the structure that the top spring reduces the displacement assembly are connected respectively to both ends about the center support pole assembly: the central support rod assembly comprises an outer long tube 13 and an inner load-bearing long tube 14 which is sleeved in the outer long tube 13 and can slide; the lower end of the outer long pipe 13 passes through the short sleeve 5 of the jack clamp assembly and the upper steel clamping plate 3 and is contacted with the upper panel of the operating jack 4; the jack telescopic column 15 on the operating jack 4 is sleeved in the hollow space of the outer sleeve long tube 13; the top surface of the jack telescopic column 15 is contacted with the bottom surface of the inner force bearing long column 14; the top surface of the inner bearing long column 14 is arranged in the upper end of the outer sleeve long tube 13; the top end of the outer long pipe 13 penetrates through the bottom coil pipe 7 and the outer spring 9 of the top spring displacement reduction assembly to be in contact with or close to the top cover 6, so that the top cover 6 covers the top end of the outer long pipe 13, and an in-pipe spring 17 is arranged in the outer long pipe 13 between the top cover 6 and the inner load-bearing long column 14; a positioning ring 16 is fixedly arranged on the outer surface of the outer long pipe 13 at the bottom surface of the bottom coil pipe 7, and the positioning ring 16 limits that the bottom coil pipe 7 can only be arranged on the positioning ring 16;
double lever dissipation pulling force assembly: the foundation pile connecting device comprises a foundation pile connecting device and two plate-shaped levers 18 which are rotatably connected to two sides of the foundation pile connecting device, wherein the foundation pile connecting device comprises a short steel cylinder 19 and two V-shaped bearing tension plates 20 fixedly connected to the short steel cylinder 19, the two V-shaped bearing tension plates 20 are parallel to each other, the openings of the two V-shaped bearing tension plates are upward, the two V-shaped bearing tension plates 20 are clamped into four notches of the short steel cylinder 19 from top to bottom, and the two V-shaped bearing tension plates 20 are fixedly connected with four notches of the short steel cylinder 19, so that the two V-shaped bearing tension plates 20 and the short steel cylinder 19 form an integrated structure; the two upper ends of the two V-shaped bearing tension plates 20 are respectively connected by a bearing tension cross rod 21, namely the two bearing tension cross rods 21 respectively connect the V-shaped bearing tension plates 20 at the two upper ends of the two V-shaped bearing tension plates 20; the middle parts of the two plate-shaped levers 18 are respectively sleeved on the two receiving tension cross bars 21 in a penetrating way, so that each plate-shaped lever 18 and one receiving tension cross bar 21 are in a rotary connection structure; a dissipative force spring 22 is connected below the resistance arm of the plate-shaped lever 18; the dissipation force springs 22 of the two plate-shaped levers 18 extend downwards into the hollow space of the short steel cylinder 19;
the structure of two lever dissipation pulling force assemblies and jack clamp assembly is connected respectively at 2 both ends of crossbeam: one end of the cross beam 2 is rotatably connected with a power arm of one plate-shaped lever 18 through a rotating middle shaft 23, so that the cross beam 2 is connected with the double-lever dissipation tension assembly; the other end of the beam 2 is clamped in the interlayer space of the upper and lower steel clamping plates 3 of the jack clamp assembly; inserting pins penetrate through the insertion holes of the upper and lower steel clamping plates 3 and the insertion holes of the cross beam 2, and the cross beam 2 is fixed in the interlayer space of the upper and lower steel clamping plates 3;
two oblique pull rod 1 connect the structure that two lever dissipation pulling force assemblies and top spring reduce the displacement assembly respectively: the upper end of a diagonal draw bar 1 is rotationally connected with a perforated connecting plate 12 of a top spring displacement reducing assembly, and the lower end of the diagonal draw bar 1 is rotationally connected with a rotation middle shaft 23, so that the diagonal draw bar 1, a connecting beam 2 and a power arm of a plate-shaped lever 18 are rotationally connected together through the rotation middle shaft 23; the upper end of the other diagonal draw bar 1 is rotationally connected with the top cover 6, and the lower end of the other diagonal draw bar 1 is rotationally connected with a power arm of the other plate-shaped lever 18; the power arms of the two diagonal draw bars 1 are distributed on two opposite sides of the short steel cylinder 19.
Integral multiple triangular component structure: the upper surface of the central support rod assembly is in sliding connection with the top spring displacement reducing assembly in a sleeved mode, the lower surface of the central support rod assembly is connected with the jack clamp assembly in a sleeved mode to form a pressure-bearing central shaft which is arranged on the foundation pile to be tested and bears the test pressure, and the pressure-bearing central shaft is the height of a triangle of the triangular component force structure; a plurality of cross beams 2 are clamped in interlayer spaces of two steel clamping plates 3 of the jack clamp assembly of the pressure-bearing central shaft, the cross beams 2 are fixed by inserting pins, the cross beams 2 are radially distributed by taking the two steel clamping plates 3 as centers, the far end of each cross beam 2 rotates with a plate-shaped lever 18 of a double-lever dissipative tension assembly respectively, so that two ends of one cross beam 2 are connected with the double-lever dissipative tension assembly and the jack clamp assembly respectively to serve as transverse stress assemblies, and the transverse stress assemblies form triangular bottom edges of a triangular component force structure; the bearing central shaft as the triangle height and the transverse stress beam assembly as the triangle bottom side form an L-shaped structure; the upper end and the lower end of an L-shaped structure are respectively rotationally connected in a shaft rotating mode by two diagonal draw bars 1 to form a triangular component force structure; a bearing central shaft and a plurality of transverse stress beam assemblies respectively form a plurality of 'L' structures, and each 'L' structure is connected into a plurality of triangular component force structures which are radially distributed by taking the bearing central shaft as the center through two diagonal draw bars 1. The triangular component force structures decompose the pressure test force of the tested foundation pile, which is received by one jack clamp assembly, into the double-lever dissipation tension assembly of each triangular component force structure, and after the double-lever dissipation tension assembly of each triangular component force structure is connected with the peripheral foundation piles of the tested foundation pile, each triangular component force structure decomposes the pressure test force of the tested foundation pile into a plurality of peripheral foundation piles, so that the purpose of assisting in detecting the pressure test force of the tested foundation pile by using the plurality of peripheral foundation piles of the tested foundation pile is achieved.
The top spring reduces two inside and outside springs of displacement assembly, will be surveyed the flexible branch of withdrawing of foundation pile pressure testing and reduce the length of peripheral foundation pile by the pull upward displacement: the inner spring 17 flexibly transmits the upward jacking force of the jack telescopic column 15 of the operating jack 4 to the top cover 6, so that the upward movement length of the top cover 6 is smaller than the upward jacking movement length of the jack telescopic column 15, when the top cover 6 moves upward, the middle short pipe 8 is limited to move upward because the middle short pipe 8 is connected to the cross beam 2 by a diagonal draw bar 1, and when the middle short pipe 8 is pulled to move upward by the upward moving top cover 6, the outer spring 9 connecting the middle short pipe 8 and the top cover 6 is flexibly stretched, so that the upward movement length of the middle short pipe 8 is smaller than the upward movement length of the top cover 6. It can be seen that when the pressure test is carried out on the foundation pile to be tested, the upward jacking force of the jack telescopic column 15 of the operating jack 4 enables the spring 17 in the pipe to be compressed and the outer spring 9 to be stretched, and the upward jacking force of the jack telescopic column 15 of the operating jack 4 is flexibly removed by the two springs to be divided into an upward moving force of the top cover 6 and an upward moving force of the middle short pipe 8; the two upward moving forces are respectively transmitted to two plate-shaped levers 18 in a double-lever dissipative pulling force assembly of a triangular component force structure through two diagonal draw bars 1; because the upward jacking force of the jack telescopic column 15 of the operating jack 4 is borne by the inner spring 17 and the outer spring 9 firstly, the deformation of the inner spring 17 and the outer spring 9 enables the upward displacement of the top cover 6 and the middle short pipe 8 to be greatly reduced, the rotation angle of the two plate-shaped levers 18 is also greatly reduced, the upward displacement length of the peripheral foundation piles which are pulled upwards by means of reverse tension at the periphery of the tested foundation pile is finally reduced, the adverse effect on the borrowed foundation piles is reduced, and the device for detecting the downward pressure of the tested foundation pile by means of the upward tension of the peripheral foundation piles has higher applicability.
Two plate-shaped levers 18 of two lever dissipation pulling force assemblies act on peripheral foundation pile again after the oblique pull component dissipation part with two oblique pull rods 1 of a triangle-shaped component structure, have reduced the ascending pulling force to peripheral foundation pile, have reduced the ascending displacement of peripheral foundation pile: on a double-lever dissipation tension assembly, two plate-shaped levers 18 are respectively sleeved on two bearing tension cross rods 21 of the double-lever dissipation tension assembly in a rotating mode, one plate-shaped lever 18 is connected with one inclined pull rod 1 in a rotating mode, upward tension of the two inclined pull rods 1 acts on the two bearing tension cross rods 21 respectively through the two plate-shaped levers 18 to pull upwards, and the bearing tension cross rods 21 are fixedly connected with peripheral foundation piles through the double-lever dissipation tension assembly, so that the upward tension of the two inclined pull rods 1 generates upward tension on the peripheral foundation piles. The principle of part of upward tension dissipation is that the peripheral foundation piles are pressed downwards by the dissipative force springs 22 connected to the positions below the resistance arms of the two plate-shaped levers 18, namely the power arms of the same plate-shaped lever 18 pull the peripheral foundation piles upwards by the supporting tension cross rods 21, the resistance arms of the plate-shaped lever 18 press the peripheral foundation piles downwards by the dissipative force springs 22, and the downward pressure of the dissipative force springs 22 dissipates part of the upward tension of the supporting tension cross rods 21, so that the upward displacement length of the peripheral foundation piles which are pulled upwards by the reverse tension on the periphery of the foundation pile to be tested is reduced, the adverse effect on the foundation piles is reduced, and the detection device for detecting the downward pressure of the foundation pile to be tested by using the upward tension of the peripheral foundation pile in the technology disclosed by the patent has higher applicability.
Each triangular component structure using double diagonal tension components: in the top spring displacement reducing assembly, the upper end and the lower end of an outer spring 9 are fixedly connected with a top cover 6 and a bottom coil pipe 7, a middle short pipe 8 sleeved outside the outer spring 9 is connected with a cross beam 2 and a plate-shaped lever 18 through a perforated connecting plate 12 and a diagonal draw bar 1, so that the bottom coil pipe 7 cannot move upwards along with the top cover 6, the top cover 6 moves upwards and only can stretch the outer spring 9, the stretching force of the outer spring 9 is obtained by the upward moving force of the top cover 6, and the upward pushing force of an operating jack 4 on a pipe inner spring 17 is decomposed into upward moving forces of the top cover 6 and the bottom coil pipe 7 respectively; in a triangular component structure, the upward moving force of the top cover 6 and the bottom coil pipe 7 is transmitted to the two plate-shaped levers 18 by the two diagonal draw bars 1, the two plate-shaped levers 18 dissipate the two upward pulling forces through the dissipation force springs 22, the upward pulling force to the peripheral foundation piles is reduced, the upward displacement length of the peripheral foundation piles which are pulled upwards and are borrowed by the reverse pulling force at the periphery of the tested foundation piles is reduced, the adverse effect on the borrowed foundation piles is reduced, and the device for detecting the downward pressure of the tested foundation piles by using the upward pulling force of the peripheral foundation piles in the patent technology is more applicable.
When the pressure test detection of the tested foundation pile is actually carried out, the short steel cylinder 19 of the double-lever dissipation tension assembly is welded and fixed with the steel bars on the peripheral foundation pile, so that the upward pulling force of the two plate-shaped levers 18 can be transmitted to the peripheral foundation pile and also pulled upwards, the downward pressure of the tested foundation pile is obtained by the aid of the dissipated downward pulling force of the peripheral foundation pile, and the pressure test detection of the tested foundation pile is realized.
When the invention actually tests the pressure of the foundation pile to be tested, a pressure test detection jack which can measure and display the pressure is arranged below the steel plate below the steel clamping plate 3, the operation jack 4 is mainly used for generating the telescopic force, the operation jack 4 downwards presses the foundation pile to be tested by the telescopic force, the inner force bearing long column 14 upwards supports, the inner force bearing long column 14 transmits the upwards supporting force to the inner spring 17, then transmits the upwards supporting force to the top spring to reduce the displacement assembly, the inclined pull rod 1 and the double-lever dissipation tension assembly, and finally transmits the upwards pulling force to the peripheral foundation pile which helps the foundation pile to be tested to detect.
The plate-shaped lever 18 can adopt a Z-shaped structure so as to adapt to the condition that the rotation angle of the plate-shaped lever 18 is too large when the tested foundation pile is tested, and prevent the resistance arm end of the plate-shaped lever 18 from being too close to the top surface of the surrounding foundation pile.
Preferably, the method comprises the following steps: and a plurality of lever and pull rod connecting holes 24 which are rotatably connected with the diagonal draw bar 1 are arranged on the power arm of the plate-shaped lever 18 connected with the diagonal draw bar 1 and at positions which are different from the position of the power arm connected with the diagonal draw bar 1 in length.
Preferably, the method comprises the following steps: at the position of the resistance arm of the plate-shaped lever 18 at a different length from the tension beam 21, a plurality of spring-receiving stubs 25 are provided for insertion into the dissipation force springs 22.
Preferably, the method comprises the following steps: the beam 2 is composed of two steel pipes sleeved inside and outside.
Preferably, the method comprises the following steps: the plate-shaped lever 18 is of a "zigzag" configuration.
When the plurality of lever and pull rod connecting holes 24 are respectively connected with the diagonal draw bar 1 at different length positions away from the bearing pull cross bar 21, the lever and pull rod connecting holes can be used for adjusting the balance of the downward pressure of the dissipation force springs 22 of the two plate-shaped levers 18, so that the two sides of the bearing pull cross bar 21 apply equal or as equal as possible dissipation forces to the two pressure points on the borrowed peripheral foundation pile, the pressure on the borrowed peripheral foundation pile is balanced, and the adverse effect on the borrowed peripheral foundation pile is reduced.
The sleeved spring short columns 25 are shorter than the dissipation force springs 22, the plurality of sleeved spring short columns 25 can provide a plurality of positions where the dissipation force springs 22 can be arranged, one dissipation force spring 22 in different positions can apply different downward pressures to the borrowed peripheral foundation pile at different length positions from the accepting tension cross rod 21, the downward pressure balance of the dissipation force springs 22 of the two plate-shaped levers 18 can be adjusted, the two sides of the accepting tension cross rod 21 can have the same dissipation force or the same dissipation force as much as possible, and the two pressure points on the borrowed peripheral foundation pile are applied with the same pressure or the same pressure as much as possible, so that the pressure on the borrowed peripheral foundation pile is balanced, and the adverse effect on the borrowed peripheral foundation pile is reduced.
Multiple bell-spigot spring stubs 25 can provide multiple locations at which the dissipative force springs 22 can be located, with one dissipative force spring 22 in a different location being able to accommodate perimeter foundation piles of different diameter sizes.
Preferably, the beam 2 is in a structural form formed by two steel pipes sleeved inside and outside, and the purpose is to enable the beam 2 to stretch, lengthen and shorten, and adapt to different distances between various foundation piles to be measured and peripheral foundation piles.
The utility model has the advantages that:
the downward pressure detected on the foundation pile to be detected is decomposed into upward tension of a plurality of peripheral foundation piles through a plurality of combined devices of a plurality of triangular cable-stayed mechanisms which can be connected with the peripheral foundation piles and are radially arranged by taking a central support rod assembly on the upper surface of the foundation pile to be detected as the center, but the upward tension of the peripheral foundation piles can be upwards pulled in a dissipation mode, namely the upward tension of the peripheral foundation piles is actually smaller than the theoretical component force of the triangular cable-stayed mechanisms, and the dissipated upward tension reduces the destructive influence on the peripheral foundation piles; and the moving length of the telescopic column of the operating jack is greater than the upward moving length of the peripheral foundation pile through the spring, so that the destructive influence on the peripheral foundation pile is reduced. The technical purpose advantages achieved by the specific technical characteristics are as follows:
1. the top spring reduces two inside and outside springs of displacement assembly, will be surveyed the flexible branch of withdrawing of foundation pile pressure testing power and reduce the displacement length to peripheral foundation pile lapse, the deformation of intraductal spring 17 and outer spring 9 makes top cap 6 and middle nozzle stub 8 significantly reduce upwards displacement length, make two plate-shaped levers 18 also significantly reduce upwards pivoted displacement length, then finally reduce the displacement length of the lapse of peripheral foundation pile lapse, reduce the harmful effects to borrowing the foundation pile, make this patent technique borrow peripheral foundation pile resistance upwards pulling force as the detection device who is surveyed foundation pile lapse.
2. Two plate-shaped levers 18 of the double-lever dissipation tension assembly dissipate a part of the diagonal tension components of two diagonal tension rods 1 of a triangular component structure to the upward tension of the peripheral foundation piles, namely dissipate a part of the upward tension of a tension cross rod 21 by using the downward pressure of a dissipation force spring 22, so that the upward displacement length of the peripheral foundation piles which are pulled upward is reduced finally, the adverse effect on the borrowed foundation piles is reduced, and the detection device which is used for detecting the downward pressure of the foundation piles by using the upward tension of the peripheral foundation piles in the patent technology has higher applicability.
3. And (3) giving balanced downward dissipation pressure to the peripheral foundation piles: when the plurality of lever and pull rod connecting holes 24 are respectively connected with the diagonal draw bar 1 at different length positions away from the bearing pull cross bar 21, the balance of the downward pressure of the dissipation force springs 22 of the two plate-shaped levers 18 can be adjusted, and the adverse effect on peripheral foundation piles is reduced. The plurality of sleeved spring studs 25 can provide a plurality of positions where the dissipation force springs 22 can be arranged, and can be used for adjusting the balance of the downward pressure of the dissipation force springs 22 of the two plate-shaped levers 18 and reducing the adverse effect on the borrowed peripheral foundation pile. The detection device for the downward pressure of the tested foundation pile by using the upward tension resistance of the peripheral foundation pile in the patent technology has higher applicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in a use state;
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the center support rod assembly and the top spring displacement reducing assembly of the present invention with the middle short tube removed and the outer spring removed;
fig. 3 is a schematic perspective sectional view of the top spring displacement reduction assembly of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the jack clip assembly of the present invention with a beam, an outer sleeve, and an inner support column;
FIG. 5 is a schematic view of the connection between the dual-lever dissipative tension assembly and the peripheral foundation piles, and the short steel cylinder is cut open, so that two V-shaped receiving tension plates are embedded in the notches on the short steel cylinder, and the dissipative force spring contacts the upper side of the peripheral foundation piles;
fig. 6 is a schematic view of the connection relationship between the dual-lever dissipative tension assembly and the peripheral foundation piles, and the steel bars on the peripheral foundation piles are welded and fixed on the short steel cylinder of the dual-lever dissipative tension assembly, so that the upward tension of the two V-shaped bearing tension plates can be transmitted to the three-dimensional section structure of the peripheral foundation piles;
in the figure, 1 is a diagonal draw bar, 2 is a cross beam, 3 is a steel splint, 4 is an operating jack, 5 is a short sleeve, 6 is a top cover, 7 is a bottom coil, 8 is a middle short tube, 9 is an outer spring, 10 is a recess, 11 is an outer spring clamping groove ring, 12 is a perforated connecting plate, 13 is an outer sleeve long tube, 14 is an inner bearing long column, 15 is a jack telescopic column, 16 is a positioning ring, 17 is an inner tube spring, 18 is a plate-shaped lever, 19 is a short steel tube, 20 is a V-shaped bearing tension plate, 21 is a bearing tension cross bar, 22 is a dissipation force spring, 23 is a rotating middle shaft, 24 is a lever and pull bar connecting hole, and 25 is a sleeving spring short column.
Detailed Description
Embodiment 1, double diagonal tension lever type foundation pile pressure test detection device with dissipative component force
Like figure 1, 2, 3, 4, 5, 6, have the double diagonal draw lever formula foundation pile pressure testing detection device of dissipation component, including jack clamp assembly, many draw bars 1 to one side, many crossbeams 2, its characterized in that: the jack clamp assembly is connected with the top spring displacement reducing assembly; the inclined pull rod 1 is connected with the double-lever dissipation pull assembly and the top spring displacement reduction assembly, and the cross beam 2 is connected with the double-lever dissipation pull assembly and the jack clamp assembly; according to the rank, a triangular device for dissipating and distributing component force of pressure test pressure of a tested foundation pile is formed by a top spring reduced displacement assembly, two diagonal draw bars 1, a double-lever dissipated tension assembly, a cross beam 2, a jack clamp assembly and a central support bar assembly, and a plurality of triangular devices for dissipating and distributing component force are arranged in a radial manner by taking a top spring reduced displacement assembly, the central support bar assembly and a jack clamp assembly connector as centers;
jack clamp assembly: the device comprises an upper steel clamping plate and a lower steel clamping plate 3, wherein an operating jack 4 is arranged in the center of an interlayer space between the upper steel clamping plate and the lower steel clamping plate 3, and a plurality of cross beams 2 are embedded in the interlayer space of the two steel clamping plates 3 around the operating jack 4; a plurality of groups of corresponding jacks are arranged at the peripheries of the upper and lower steel clamping plates 3, and the inserted pins penetrate through the jacks of the upper and lower steel clamping plates 3 and the jacks of the cross beam 2, so that the end of the cross beam 2 is fixed in the interlayer space between the upper and lower steel clamping plates 3; the upper surface of the upper steel splint 3 is also provided with a short sleeve 5 for sleeving the central support rod assembly;
the top spring reduces the displacement assembly: comprises a top cover 6, a bottom coil pipe 7, a middle short pipe 8 and an outer spring 9; the opposite surfaces of the top cover 6 and the bottom coil pipe 7 are respectively provided with a recess 10, the side walls of the recesses of the top cover 6 and the bottom coil pipe 7 are both provided with an outer spring slot ring 11, and two ends of an outer spring 9 are respectively clamped in the outer spring slot rings 11 of the top cover 6 and the bottom coil pipe 7 and fixedly connected; the outer surface of the outer spring 9 is provided with a middle short pipe 8, and the outer surface of the middle short pipe 8 is provided with a plurality of perforated connecting plates 12;
the jack clamp assembly and the structure that the top spring reduces the displacement assembly are connected respectively to both ends about the center support pole assembly: the central support rod assembly comprises an outer long tube 13 and an inner load-bearing long tube 14 which is sleeved in the outer long tube 13 and can slide; the lower end of the outer long pipe 13 passes through the short sleeve 5 of the jack clamp assembly and the upper steel clamping plate 3 and is contacted with the upper panel of the operating jack 4; the jack telescopic column 15 on the operating jack 4 is sleeved in the hollow space of the outer sleeve long tube 13; the top surface of the jack telescopic column 15 is contacted with the bottom surface of the inner force bearing long column 14; the top surface of the inner bearing long column 14 is arranged in the upper end of the outer sleeve long tube 13; the top end of the outer long pipe 13 penetrates through the bottom coil pipe 7 and the outer spring 9 of the top spring displacement reduction assembly to be in contact with or close to the top cover 6, so that the top cover 6 covers the top end of the outer long pipe 13, and an in-pipe spring 17 is arranged in the outer long pipe 13 between the top cover 6 and the inner load-bearing long column 14; a positioning ring 16 is fixedly arranged on the outer surface of the outer long pipe 13 at the bottom surface of the bottom coil pipe 7, and the positioning ring 16 limits that the bottom coil pipe 7 can only be arranged on the positioning ring 16;
double lever dissipation pulling force assembly: the foundation pile connecting device comprises a foundation pile connecting device and two plate-shaped levers 18 which are rotatably connected to two sides of the foundation pile connecting device, wherein the foundation pile connecting device comprises a short steel cylinder 19 and two V-shaped bearing tension plates 20 fixedly connected to the short steel cylinder 19, the two V-shaped bearing tension plates 20 are parallel to each other, the openings of the two V-shaped bearing tension plates are upward, the two V-shaped bearing tension plates 20 are clamped into four notches of the short steel cylinder 19 from top to bottom, and the two V-shaped bearing tension plates 20 are fixedly connected with four notches of the short steel cylinder 19, so that the two V-shaped bearing tension plates 20 and the short steel cylinder 19 form an integrated structure; the two upper ends of the two V-shaped bearing tension plates 20 are respectively connected by a bearing tension cross rod 21, namely the two bearing tension cross rods 21 respectively connect the V-shaped bearing tension plates 20 at the two upper ends of the two V-shaped bearing tension plates 20; the middle parts of the two plate-shaped levers 18 are respectively sleeved on the two receiving tension cross bars 21 in a penetrating way, so that each plate-shaped lever 18 and one receiving tension cross bar 21 are in a rotary connection structure; a dissipative force spring 22 is connected below the resistance arm of the plate-shaped lever 18; the dissipation force springs 22 of the two plate-shaped levers 18 extend downwards into the hollow space of the short steel cylinder 19;
the structure of two lever dissipation pulling force assemblies and jack clamp assembly is connected respectively at 2 both ends of crossbeam: one end of the cross beam 2 is rotatably connected with a power arm of one plate-shaped lever 18 through a rotating middle shaft 23, so that the cross beam 2 is connected with the double-lever dissipation tension assembly; the other end of the beam 2 is clamped in the interlayer space of the upper and lower steel clamping plates 3 of the jack clamp assembly; inserting pins penetrate through the insertion holes of the upper and lower steel clamping plates 3 and the insertion holes of the cross beam 2, and the cross beam 2 is fixed in the interlayer space of the upper and lower steel clamping plates 3;
two oblique pull rod 1 connect the structure that two lever dissipation pulling force assemblies and top spring reduce the displacement assembly respectively: the upper end of a diagonal draw bar 1 is rotationally connected with a perforated connecting plate 12 of a top spring displacement reducing assembly, and the lower end of the diagonal draw bar 1 is rotationally connected with a rotation middle shaft 23, so that the diagonal draw bar 1, a connecting beam 2 and a power arm of a plate-shaped lever 18 are rotationally connected together through the rotation middle shaft 23; the upper end of the other diagonal draw bar 1 is rotationally connected with the top cover 6, and the lower end of the other diagonal draw bar 1 is rotationally connected with a power arm of the other plate-shaped lever 18; the power arms of the two diagonal draw bars 1 are distributed on two opposite sides of the short steel cylinder 19.
During actual detection operation, the short steel cylinder 19 of the double-inclined-pull-lever type foundation pile pressure test detection device with the dissipation component force is welded and fixed with the multiple steel bars on the top surface of the peripheral foundation pile, so that the upward-pulling force of the double-lever dissipation tension assembly by the inclined pull rod 1 can be transmitted to the peripheral foundation pile, and the multiple upward-pulling forces of the peripheral foundation pile are used as downward pressure of the tested foundation pile to perform pressure test detection on the tested foundation pile. And a jack for reading detection data is arranged between the lower steel clamping plate 3 of the jack clamp assembly and the upper surface of the foundation pile to be detected.
Referring to fig. 1, 2, 3, 4, 5, and 6, the pressure test device for a double-diagonal-draw lever-type foundation pile with dissipative component force includes all the technical solutions of embodiment 1, and,
three lever and pull rod connecting holes 24 which are rotatably connected with the diagonal draw bar 1 are arranged on power arms which are connected with two plate-shaped levers 18 and the diagonal draw bar 1 in the double-lever dissipative tension assembly and are at different length positions away from the connecting pull cross bar 21.
At the position of the resistance arm of the plate-shaped lever 18 at a different length from the tension beam 21, a plurality of spring-receiving stubs 25 are provided for insertion into the dissipation force springs 22.
The beam 2 is composed of two steel pipes which are sleeved inside and outside.
The plate-shaped levers 18 in each dual-lever dissipative pulling force assembly are of a "zigzag" configuration.
Claims (5)
1. Have the pressure testing detection device of oblique pull rod formula foundation pile of dissipation component, press from both sides the assembly including the jack, many diagonal draw bar (1), many crossbeams (2), its characterized in that: the jack clamp assembly is connected with the top spring displacement reducing assembly; the inclined pull rod (1) is connected with the double-lever dissipation pull assembly and the top spring displacement reduction assembly, and the cross beam (2) is connected with the double-lever dissipation pull assembly and the jack clamp assembly; according to the sequence, a triangular device for dissipating and distributing component force of pressure test pressure of a tested foundation pile is formed by a top spring reduced displacement assembly, two diagonal draw bars (1), a double-lever dissipated tension assembly, a cross beam (2), a jack clamp assembly and a central support bar assembly, and a plurality of triangular devices for dissipating and distributing component force are arranged in a radial manner by taking a top spring reduced displacement assembly, the central support bar assembly and a jack clamp assembly connector as centers;
jack clamp assembly: the device comprises an upper steel clamping plate and a lower steel clamping plate (3), wherein an operation jack (4) is arranged in the center of an interlayer space between the upper steel clamping plate and the lower steel clamping plate (3), and a plurality of cross beams (2) are embedded in the interlayer space of the two steel clamping plates (3) around the operation jack (4); a plurality of groups of corresponding jacks are arranged on the peripheries of the upper and lower steel clamping plates (3), the inserted pins penetrate through the jacks of the upper and lower steel clamping plates (3) and the jacks of the cross beam (2), and the end of the cross beam (2) is fixed in an interlayer space between the upper and lower steel clamping plates (3); the upper surface of the upper steel splint (3) is also provided with a short sleeve (5) for sleeving the central support rod assembly;
the top spring reduces the displacement assembly: comprises a top cover (6), a bottom coil pipe (7), a middle short pipe (8) and an outer spring (9); the opposite surfaces of the top cover (6) and the bottom coil pipe (7) are respectively provided with a recess (10), the side walls of the recesses of the top cover (6) and the bottom coil pipe (7) are respectively provided with an outer spring clamping groove ring (11), and two ends of an outer spring (9) are respectively clamped in the outer spring clamping groove rings (11) of the top cover (6) and the bottom coil pipe (7) and fixedly connected; a middle short pipe (8) is arranged outside the outer spring (9), and a plurality of perforated connecting plates (12) are arranged on the outer surface of the middle short pipe (8);
the jack clamp assembly and the structure that the top spring reduces the displacement assembly are connected respectively to both ends about the center support pole assembly: the central support rod assembly comprises an outer long tube (13) and an inner load-bearing long tube (14) which is sleeved in the outer long tube (13) and can slide; the lower end of the outer long pipe (13) penetrates through the short sleeve (5) of the jack clamp assembly and the upper steel clamping plate (3) and is contacted with the upper panel of the operating jack (4); a jack telescopic column (15) on the operating jack (4) is sleeved in the hollow space of the outer sleeve long tube (13); the top surface of the telescopic column (15) of the jack is contacted with the bottom surface of the inner force bearing long column (14); the top surface of the inner bearing long column (14) is arranged in the upper end of the outer sleeve long tube (13); the top end of the outer long pipe (13) penetrates through a bottom coil pipe (7) and an outer spring (9) of the top spring displacement reduction assembly and is in contact with or close to the top cover (6), so that the top cover (6) covers the top end of the outer long pipe (13), and an in-pipe spring (17) is arranged in the outer long pipe (13) between the top cover (6) and the inner force bearing long column (14); a positioning ring (16) is fixedly arranged on the outer surface of the outer long pipe (13) at the bottom surface of the bottom coil pipe (7), and the positioning ring (16) limits that the bottom coil pipe (7) can only be arranged on the positioning ring (16);
double lever dissipation pulling force assembly: the foundation pile connecting device comprises a foundation pile connecting device and two plate-shaped levers (18) which are rotatably connected to two sides of the foundation pile connecting device, wherein the foundation pile connecting device comprises a short steel cylinder (19) and two V-shaped bearing tension plates (20) fixedly connected to the short steel cylinder (19), the two V-shaped bearing tension plates (20) are parallel to each other, the openings of the two V-shaped bearing tension plates are upward, the two V-shaped bearing tension plates are clamped into four notches of the short steel cylinder (19) from top to bottom, and the two V-shaped bearing tension plates (20) are fixedly connected with the four notches of the short steel cylinder (19) to enable the two V-shaped bearing tension plates (20) and the short steel cylinder (19) to form an integral structure; the two upper ends of the two V-shaped bearing tension plates (20) are respectively connected by a bearing tension cross rod (21), namely the two bearing tension cross rods (21) respectively connect the V-shaped bearing tension plates (20) at the two upper ends of the two V-shaped bearing tension plates (20); the middle parts of the two plate-shaped levers (18) are respectively sleeved on the two adapting tension cross rods (21) in a penetrating way, so that each plate-shaped lever (18) and one adapting tension cross rod (21) are in a rotary connection structure; a dissipative spring (22) is connected below the resistance arm of the plate-shaped lever (18); the dissipation force springs (22) of the two plate-shaped levers (18) extend downwards into the hollow space of the short steel cylinder (19);
crossbeam (2) both ends are connected the structure that two lever dissipation pulling force assembly and jack pressed from both sides the assembly respectively: one end of the cross beam (2) is rotatably connected with a power arm of one plate-shaped lever (18) through a rotating middle shaft (23), so that the cross beam (2) is connected with the double-lever dissipative tension assembly; the other end of the cross beam (2) is clamped in the interlayer space of the upper and lower steel clamping plates (3) of the jack clamp assembly; inserting pins penetrate through the insertion holes of the upper and lower steel clamping plates (3) and the insertion holes of the cross beam (2), and the cross beam (2) is fixed in the interlayer space of the upper and lower steel clamping plates (3);
two oblique pull rod (1) are connected two lever dissipation pulling force assemblies and top spring respectively and are reduced the structure of displacement assembly: the upper end of a diagonal draw bar (1) is rotationally connected with a perforated connecting plate (12) of a top spring displacement reducing assembly, and the lower end of the diagonal draw bar (1) is rotationally connected with a rotation middle shaft (23), so that the diagonal draw bar (1), a connecting beam (2) and a power arm of a plate-shaped lever (18) are rotationally connected together through the rotation middle shaft (23); the upper end of the other diagonal draw bar (1) is rotationally connected with the top cover (6), and the lower end of the other diagonal draw bar (1) is rotationally connected with a power arm of the other plate-shaped lever (18); the power arms of the two diagonal draw bars (1) are distributed on two opposite sides of the short steel cylinder (19).
2. The pressure test device for the double-inclined pull lever type foundation pile with the dissipative component as claimed in claim 1, wherein: and a plurality of lever and pull rod connecting holes (24) which are rotatably connected with the diagonal draw bars (1) are arranged on the power arm connected with the plate-shaped lever (18) and the diagonal draw bars (1) at different length positions away from the pull force receiving cross bar (21).
3. The pressure test device for the double-inclined pull lever type foundation pile with the dissipative component as claimed in claim 1 or 2, wherein: the positions, which are different in length from the tension bearing cross rod (21), on the resistance arm of the plate-shaped lever (18) are provided with a plurality of sleeved spring short columns (25) which are used for being sleeved in the dissipation force spring (22).
4. The pressure test device for the double-inclined pull lever type foundation pile with the dissipative component as claimed in claim 3, wherein: the beam (2) is composed of two steel pipes which are sleeved inside and outside.
5. The pressure test device for the double-inclined pull lever type foundation pile with the dissipative component as claimed in claim 3, wherein: the plate-shaped lever (18) is of a Z-shaped structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238762.XU CN210917490U (en) | 2019-07-23 | 2019-07-23 | Double-inclined pull lever type foundation pile pressure test detection device with dissipation component force |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921238762.XU CN210917490U (en) | 2019-07-23 | 2019-07-23 | Double-inclined pull lever type foundation pile pressure test detection device with dissipation component force |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374147A (en) * | 2019-07-23 | 2019-10-25 | 侯伯贵 | There is the diclinic tie-bar rod-type foundation pile pressure testing/detecting device of dissipation component |
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2019
- 2019-07-23 CN CN201921238762.XU patent/CN210917490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374147A (en) * | 2019-07-23 | 2019-10-25 | 侯伯贵 | There is the diclinic tie-bar rod-type foundation pile pressure testing/detecting device of dissipation component |
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