CN211080336U - Fixing device for static load test pile foundation displacement meter - Google Patents

Abstract

The utility model relates to a static test pile foundation displacement meter fixing device, which comprises a bracket, the support includes diaphragm and two mutual parallel arrangement's vertical plate, be provided with the balancing pole between two vertical plates, the face setting of balancing pole perpendicular to vertical plate, be fixed with two bearing frames on the balancing pole, coaxial fixed bearing in the bearing frame, all be fixed with the support column on the face that two vertical plate correspond each other, the face setting of support column perpendicular to vertical plate, the axis of two support columns is same straight line, the balancing pole is through the bearing difference slewing bearing in two bearing frames on two support columns, be provided with first accent on the balancing pole and erect the device, install branch on the first accent perpendicular device, install the second on the branch and transfer perpendicular device, the second is transferred and is installed the percentage table on erecting the device, install first fastener on the support. The utility model discloses a with the accurate setting of displacement meter in vertical position to have the effect that can improve the accuracy of static test result.

Description

Fixing device for static load test pile foundation displacement meter

Technical Field

The utility model belongs to the technical field of a pile foundation check out test set's technique and specifically relates to a static test pile foundation displacement meter fixing device is related to.

Background

The static load test is a test method for determining the corresponding vertical compression bearing capacity of a single pile, the vertical uplift bearing capacity of the single pile or the horizontal bearing capacity of the single pile by applying vertical pressure, vertical uplift force or horizontal thrust on the top of the pile step by step and observing the settlement, uplift displacement or horizontal displacement of the top of the pile generated along with time. The displacement of pile foundation needs to be measured to displacement meter in the pile foundation static test, and commonly used displacement meter is the percentage table, and whether the percentage table can keep vertical when measuring has very big influence to the accuracy of measuring result.

At present, the patent document with the publication number of CN204898743U discloses a displacement meter fixing device for a pile foundation static load test, which is characterized in that a main steel pipe and an auxiliary steel pipe are connected through bolts, the main steel pipe is connected with a reference positioning rod which is driven into or embedded into a stable soil layer through bolts, so that the whole framework forms a stable system, the geometric dimension of the whole system is adjusted through bolt holes in the main steel pipe and the auxiliary steel pipe, a magnetic support for fixing the displacement meter is symmetrically adsorbed on the main steel pipe or the auxiliary steel pipe, the fixed position of the displacement meter is kept unchanged, and a stable and adjustable displacement fixing device is formed.

When the fixing device for the displacement meter in the static load test of the pile foundation is used, although the position of the displacement meter can be kept fixed, an operator cannot accurately locate the displacement meter at a vertical position by manually installing the displacement meter, so that the measurement result of the static load test is not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a static test pile foundation displacement meter fixing device, it is through the setting with the displacement meter accuracy when measuring at vertical position to have the effect that can improve the accuracy of static test result.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a static test pile foundation displacement meter fixing device, which comprises a bracket, the support includes diaphragm and two mutual parallel arrangement's vertical plate, be provided with the balancing pole between two vertical plate, the face setting of balancing pole perpendicular to vertical plate, be fixed with two bearing frames on the balancing pole, coaxial fixed bearing that is provided with in the bearing frame, all be fixed with the support column on the face that two vertical plate correspond each other, the face setting of support column perpendicular to vertical plate, the axis of two support columns is same straight line, the balancing pole is through the bearing difference gyration support in two bearing frames on two support columns, be provided with first on the balancing pole and transfer perpendicular device, install branch on the first perpendicular device of transferring, install the second on the branch and transfer perpendicular device, the second is transferred and is installed the percentage table on the perpendicular device, install first fastener on the support.

Through adopting above-mentioned technical scheme, support the balancing pole between two vertical plates through two bearings, it can make the plane that the central line of balancing pole and bearing constitutes be a vertical face all the time to set up first perpendicular device of transferring on the balancing pole, furthermore, install branch on first perpendicular device of transferring, and install the second on branch and transfer perpendicular device, install the percentage table on the second transfers perpendicular device, transfer through the second and erect the device and make branch be in horizontal position, thereby indirect can make the percentage table find vertical position, when carrying out the dead load test, the accuracy that the accuracy set up can improve the test result at the percentage table of vertical position.

The utility model discloses a further set up to: the first vertical adjustment device comprises a cylindrical rod fixed on the balance rod, the center line of the cylindrical rod is perpendicular to and intersected with the center line of the balance rod, a first rope hole is formed in the cylindrical rod, the first rope hole and the cylindrical rod are coaxially arranged, a first hanging rope penetrates through the first rope hole, the cross section of the first hanging rope is matched with the cross section of the first rope hole, the upper end of the first hanging rope is fixed to the lower surface of the transverse plate, a first heavy hammer is fixed to the lower end of the first hanging rope, the weight of the first heavy hammer is set to be large enough, the supporting rod is fixed on the cylindrical rod, and the center line of the supporting rod is perpendicular to the center line of the cylindrical rod and perpendicular to the center line of the balance rod.

Through adopting above-mentioned technical scheme, place the support behind the ground, no matter whether vertical and the diaphragm that the vertical board was placed is horizontal, after first weight is stable, because the balancing pole can rotate around the central line of bearing, even first string rope is not necessarily in vertical state, the plane that the central line of cylinder pole and the central line of balancing pole are constituteed also must be a vertical face under the effect of first string rope, and the central line perpendicular to cylinder pole's central line of branch, therefore branch also must be a horizontal pole.

The utility model discloses a further set up to: the second erecting device comprises a sleeve, the sleeve is rotatably supported on the supporting rod through a bearing, one section of the sleeve is sleeved on the supporting rod, the other section of the sleeve stretches to the outside of the supporting rod, a second rope hole is formed in one section of the sleeve stretching to the outside of the supporting rod, the central line of the second rope hole coincides with the diameter of the section of the sleeve, a second hanging rope is arranged in the second rope hole in a penetrating mode, the section of the second hanging rope is matched with the section of the second rope hole, the upper end of the second hanging rope is fixed to the lower surface of the transverse plate, a second heavy hammer is fixed to the lower end of the second hanging rope, the weight of the second heavy hammer is set to be large enough, a clamping device is arranged at the end portion, away from the supporting rod, of the sleeve, the dial indicator is installed on the clamping device, the length direction of the measuring rod of the dial indicator is parallel to.

Through adopting above-mentioned technical scheme, after first weight and second weight are all stable, branch is the horizon bar, because the sleeve gyration is supported on branch, and the sleeve will rotate under the effect of second string rope and make the second rope hole be in the state of vertical position, again because the length direction of the measuring rod of percentage table parallels with the central line in second rope hole, consequently two weight are stable back percentage tables and can be in order to find vertical position.

The utility model discloses a further set up to: the clamping device comprises a supporting block, one end, extending out of the supporting rod, of the sleeve is set to be a solid cylinder, a vertical hole is formed in the solid cylinder, a clamping block is arranged on the supporting block and is matched with the vertical hole, the supporting block is matched in the vertical hole through the clamping block, a measuring tool hole is formed in the supporting block, the central line of the measuring tool hole is parallel to the central line of the second rope hole, the dial indicator is installed in the measuring tool hole, a measuring rod of the dial indicator is in sliding fit with the measuring tool hole, the central line of the measuring rod of the dial indicator is overlapped with the central line of the measuring tool hole, and a third fastening device.

Through adopting above-mentioned technical scheme, the supporting shoe passes through the fixture block to be installed in the riser, after two hammers are all stable, the position of supporting shoe is definite, because the central line in measuring tool hole is on a parallel with the central line in second rope hole, and the percentage table is installed in the measuring tool hole, consequently the supporting shoe can guarantee that two hammers are in vertical position after stable, and the supporting shoe can follow the sleeve and dismantle, when the experiment finishes to need to take off the percentage table, thereby can lift the supporting shoe off from the sleeve and take off the percentage table, it is more convenient to use.

The utility model discloses a further set up to: the third fastening device comprises a clamping knob arranged on the supporting block, the clamping knob corresponds to the measuring tool hole, and the clamping knob is in threaded fit with the supporting block.

Through adopting above-mentioned technical scheme, after the percentage table found vertical position, slide the measuring stick of percentage table about the measuring tool is downthehole, treat that the gauge head of percentage table and the top of experimental stake contact back, can fix the relative position of percentage table and supporting shoe through rotating chucking knob to be convenient for measure go on.

The utility model discloses a further set up to: the second fastening device comprises two clamping arms arranged on the cylindrical rod, one ends of the clamping arms are fixed on the cylindrical rod, the other ends of the clamping arms are provided with holding knobs, the holding knobs correspond to the sleeves and are in threaded fit with the clamping arms, and rubber pads are fixed at the ends, close to the sleeves, of the holding knobs.

Through adopting above-mentioned technical scheme, after the second rope hole found vertical position under the effect of second weight, hold the knob through the rotation and make the rubber pad of holding the knob tip tightly support on the sleeve, can make the position of sleeve and branch keep relatively fixed to it is fixed with the vertical position in second rope hole.

The utility model discloses a further set up to: first fastener is including seting up the arc wall on two vertical plates, and the arc wall is corresponding with the tip of balancing pole, and the both ends of balancing pole pass two arc walls respectively and stretch the opposite side of vertical plate, balancing pole and arc wall clearance fit, all be provided with the supporting seat on two vertical plates, the supporting seat is corresponding with the tip of balancing pole, and screw-thread fit has the locking knob on the supporting seat, and the end fixing that the locking knob is close to the balancing pole has the rubber pad.

Through adopting above-mentioned technical scheme, when first weight is unstable, the tip of balancing pole can freely slide in the arc wall, and after the position of balancing pole and cylinder pole was confirmed under the effect of first weight, the locking knob of rotating makes the rubber pad of locking knob tip support the tip at the balancing pole, can be so that the position of balancing pole and cylinder pole keeps fixed to it can be fixed with the vertical position of the percentage table who finds to combine second fastener.

The utility model discloses a further set up to: the transverse plate is provided with a bubble level meter, and the longitudinal plate is provided with a verticality measuring instrument.

Through adopting above-mentioned technical scheme, survey crew can place the diaphragm near horizontal position as far as possible through the bubble spirit level when placing the support to can place the vertical plate near vertical position as far as possible through the straightness measuring apparatu that hangs down, first weight and second weight are less for the skew of vertical direction this moment, thereby are favorable to making the two stable as soon as possible and make the percentage table reach vertical position as soon as possible.

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

1. the balance rod is supported between the two longitudinal plates through the two bearings, the first vertical adjusting device is arranged on the balance rod, so that a plane formed by the center lines of the balance rod and the bearings is always a vertical plane, further, the support rod is arranged on the first vertical adjusting device, the second vertical adjusting device is arranged on the support rod, the dial indicator is arranged on the second vertical adjusting device, the support rod is in a horizontal position through the second vertical adjusting device, the dial indicator can indirectly find the vertical position, and when a static load test is carried out, the dial indicator accurately arranged at the vertical position can improve the accuracy of a test result;

2. after the first heavy hammer is stabilized, a plane formed by the center line of the cylindrical rod and the center line of the balance rod is necessarily a vertical plane, and the support rod is necessarily a horizontal rod; when the first heavy hammer and the second heavy hammer are stable, the second rope hole is in the vertical position, so that the dial indicator can find the vertical position; the matching of the fixture block on the support block and the vertical hole on the sleeve can enable the dial indicator to find a vertical position after the two heavy hammers are stable, and the disassembly of the dial indicator is convenient;

3. the relative position of the dial indicator and the supporting block can be fixed by rotating the clamping knob; the positions of the sleeve and the support rod can be kept relatively fixed by rotating the holding knob; the positions of the balance rod and the cylindrical rod can be kept fixed by rotating the locking knob; the arrangement of the bubble level meter and the verticality measuring instrument is beneficial to stabilizing the first heavy hammer and the second heavy hammer as soon as possible, so that the dial indicator reaches the vertical position as soon as possible.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;

FIG. 5 is a cross-sectional view of the cylindrical rod and sleeve;

FIG. 6 is a schematic view of the connection of the support block to the sleeve.

In the figure, 01, the ground; 1. a support; 11. a transverse plate; 111. a bubble level; 12. a longitudinal plate; 121. a support pillar; 122. an arc-shaped slot; 123. a supporting seat; 124. locking the knob; 125. a perpendicularity measuring instrument; 21. a test pit; 22. testing piles; 3. a balancing pole; 31. a bearing seat; 4. a cylindrical rod; 41. a first rope hole; 42. a first hanging rope; 43. a first weight; 44. a clamp arm; 45. tightly holding the knob; 5. a strut; 6. a sleeve; 61. a second rope hole; 62. a second hanging rope; 63. a second weight; 64. vertical holes; 7. a support block; 71. a clamping block; 72. a gauge hole; 73. clamping the knob; 8. and (4) a dial indicator.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a static test pile foundation displacement meter fixing device, including support 1, support 1 includes diaphragm 11 and two mutual parallel arrangement's vertical plate 12, diaphragm 11 and vertical plate 12 an organic whole set up, and the face perpendicular to diaphragm 11's of vertical plate 12 face has experimental hole 21 in the excavation on ground 01, buries experimental stake 22 underground in experimental hole 21, and diaphragm 11 supports in experimental hole 21 top through two vertical plates 12.

Referring to fig. 2 and 3, a balance bar 3 is arranged between two longitudinal plates 12, the balance bar 3 is parallel to the plate surface of the transverse plate 11 and perpendicular to the plate surface of the longitudinal plates 12, two bearing seats 31 are respectively fixed at positions on the balance bar 3 near two ends of the balance bar, bearings are coaxially and fixedly arranged in the bearing seats 31, support columns 121 are fixed on the mutually corresponding plate surfaces of the two longitudinal plates 12, the support columns 121 are perpendicular to the plate surface of the longitudinal plates 12, the axes of the two support columns 121 are the same straight line, and the two bearings in the two bearing seats 31 are respectively and rotatably supported on the two corresponding support columns 121.

Referring to fig. 2 and 4, the two longitudinal plates 12 are both provided with arc-shaped slots 122, the arc-shaped slots 122 correspond to the end portions of the balance bar 3, two ends of the balance bar 3 respectively penetrate through the two arc-shaped slots 122 to extend to the other sides of the longitudinal plates 12, the balance bar 3 is in clearance fit with the arc-shaped slots 122, and when the balance bar 3 rotates around the center line of the bearing, the end portion of the balance bar 3 can slide along an arc track in the arc-shaped slots 122; the two vertical plates 12 are provided with supporting seats 123, the supporting seats 123 correspond to the ends of the balance bar 3, the supporting seats 123 are in threaded fit with locking knobs 124, rubber pads are fixed at the ends, close to the balance bar 3, of the locking knobs 124, and the rubber pads can be abutted to the balance bar 3 by rotating the locking knobs 124, so that the balance bar 3 is fixed in position.

Referring to fig. 1 and 5, a cylindrical rod 4 is fixed at the middle part of the balancing rod 3, the center line of the cylindrical rod 4 is perpendicular to and intersects with the center line of the balancing rod 3, a first rope hole 41 is formed in the cylindrical rod 4, the first rope hole 41 is a cylindrical through hole, the first rope hole 41 and the cylindrical rod 4 are coaxially arranged, a first hanging rope 42 penetrates through the first rope hole 41, the section of the first hanging rope 42 is cylindrical, the diameter of the first hanging rope 42 is the same as that of the first rope hole 41, the upper end of the first hanging rope 42 is fixed on the lower surface of the transverse plate 11, a first weight 43 is fixed at the lower end of the first hanging rope 42, the weight of the first weight 43 is set to be large enough, and when the first rope hole 41 is in a vertical position, the projection of the first rope hole 41 on the lower surface of the transverse plate 11 coincides with the fixing point of the first hanging rope 42 on the lower surface of; after the support 1 is placed on the ground 01, no matter whether the vertical plate 12 is placed vertically or not and whether the horizontal plate 11 is placed horizontally or not, when the first weight 43 is stabilized, since the balance bar 3 can rotate around the center line of the bearing, even if the first hanging rope 42 is not necessarily in a vertical state, the plane formed by the center line of the cylindrical bar 4 and the center line of the balance bar 3 is necessarily a vertical plane.

Referring to fig. 1 and 5, a supporting rod 5 is fixedly disposed on the cylindrical rod 4, a central line of the supporting rod 5 is perpendicular to a central line of the cylindrical rod 4 and perpendicular to a central line of the balancing rod 3, when the first weight 43 is stabilized, the supporting rod 5 is a horizontal rod, a sleeve 6 is rotatably supported on the supporting rod 5 through a bearing, the sleeve 6 can rotate around the central line of the supporting rod 5, one section of the sleeve 6 is sleeved on the supporting rod 5, the other section of the sleeve 6 extends to the outside of the supporting rod 5, a second rope hole 61 is formed in a section of the sleeve 6 extending to the outside of the supporting rod 5, the section of the second rope hole 61 is circular and penetrates through a side wall of the sleeve 6, the central line of the second rope hole 61 coincides with one diameter of the section of the sleeve 6, a second hanging rope 62 is inserted into the second rope hole 61, the section of the second hanging rope 62 is cylindrical and has the same diameter as the second rope hole 61, the upper end of the second, the lower end of the second hanging rope 62 is fixed with a second weight 63, the weight of the second weight 63 is set to be large enough, when the second rope hole 61 is in the vertical position, the projection of the second rope hole 61 on the lower surface of the transverse plate 11 coincides with the fixed point of the second hanging rope 62 on the lower surface of the transverse plate 11.

Referring to fig. 1, two clamping arms 44 are arranged on the cylindrical rod 4, one end of each clamping arm 44 is fixed on the cylindrical rod 4, the other end of each clamping arm 44 is provided with a holding knob 45, the holding knob 45 corresponds to the sleeve 6, the holding knob 45 is in threaded fit with the clamping arm 44, a rubber pad is fixed at the end part, close to the sleeve 6, of the holding knob 45, and the rubber pad can be abutted to the outer side wall of the sleeve 6 by rotating the holding knob 45, so that the position of the sleeve 6 is fixed.

Referring to fig. 1 and 6, a section of the sleeve 6 not sleeved on the support rod 5 is a solid cylinder, a vertical hole 64 is formed in the solid cylinder, an opening is formed on an end surface of the sleeve 6 far away from the support rod 5 by the vertical hole 64, the cross section of the vertical hole 64 is rectangular, the length direction of the vertical hole is parallel to the center line of the second rope hole 61, a supporting block 7 is arranged at an end part of the sleeve 6 far away from the support rod 5, a rectangular fixture block 71 is arranged on the supporting block 7, the fixture block 71 is matched with the vertical hole 64, the fixture block 71 is arranged in the vertical hole 64 through the opening of the vertical hole 64, a measuring tool hole 72 is arranged on the supporting block 7, the center line of the measuring tool hole 72 is parallel to the length direction of the cross section of the vertical hole 64, a dial indicator 8 is arranged in the measuring tool hole 72, a measuring rod of the dial indicator 8 is in sliding fit with the measuring tool hole 72, the center line of, a clamping knob 73 is arranged on the supporting block 7, the clamping knob 73 corresponds to the measuring tool hole 72, the clamping knob 73 is in threaded fit with the supporting block 7, and the dial indicator 8 can be fixed on the supporting block 7 by rotating the clamping knob 73; after the first weight 43 and the second weight 63 are stabilized, the sleeve 6 will force the second rope hole 61 to be at the vertical position under the action of the second hanging rope 62, so that the gauge hole 72 will be at the vertical position, and further, the gauge head of the dial indicator 8 can be ensured to be at the vertical position.

Referring to fig. 1 and 4, in order to stabilize the first weight 43 and the second weight 63 as soon as possible during a static load test, the horizontal plate 11 is provided with the bubble level gauge 111, the vertical plate 12 is provided with the verticality gauge 125, when a measurer places the bracket 1, the horizontal plate 11 can be placed near the horizontal position as much as possible by the bubble level gauge 111, and the vertical plate 12 can be placed near the vertical position as much as possible by the verticality gauge 125, at this time, the first weight 43 and the second weight 63 have small offset relative to the vertical direction, which is beneficial to stabilizing the two weights as soon as possible, so that the dial indicator 8 can reach the vertical position as soon as possible.

The working principle of the utility model is that when the static load test is carried out, the bracket 1 is placed above the test pit 21, after the first weight 43 is stabilized, the plane formed by the central line of the cylindrical rod 4 and the central line of the balance bar 3 is necessarily a vertical plane, the support bar 5 is necessarily a horizontal bar, the position of the balance bar 3 is locked by the locking knob 124 to lock the horizontal position of the strut 5, and after the second counter weight 63 is stabilized, the second rope hole 61 will be in a vertical position, the position of the sleeve 6 is fixed by clasping the knob 45, and then the gauge hole 72 will be in the vertical position, so the dial indicator 8 in the gauge hole 72 will also be in the vertical position, further, the upper and lower position of the dial indicator 8 in the gauge hole 72 is adjusted to make the measuring head of the dial indicator 8 contact with the upper end of the test pile 22, and then the position of the dial indicator 8 is fixed through the clamping knob 73, so that the test can be performed.

The embodiment of the present invention is a preferred embodiment of the present invention, which is not limited in this way to the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a static test pile foundation displacement meter fixing device, includes support (1), its characterized in that: the support (1) comprises a transverse plate (11) and two longitudinal plates (12) which are arranged in parallel, a balance rod (3) is arranged between the two longitudinal plates (12), the balance rod (3) is perpendicular to the surfaces of the longitudinal plates (12), two bearing seats (31) are fixed on the balance rod (3), bearings are coaxially and fixedly arranged in the bearing seats (31), supporting columns (121) are fixed on the surfaces of the two longitudinal plates (12) which correspond to each other, the supporting columns (121) are perpendicular to the surfaces of the longitudinal plates (12), the axes of the two supporting columns (121) are the same straight line, the balance rod (3) is rotatably supported on the two supporting columns (121) through the bearings in the two bearing seats (31), a first vertical adjusting device is arranged on the balance rod (3), a supporting rod (5) is arranged on the first vertical adjusting device, a second vertical adjusting device is arranged on the supporting rod (5), and a dial indicator (8) is arranged on the second vertical adjusting device, a first fastening device is installed on the support (1).

2. The static test pile foundation displacement meter fixing device of claim 1, wherein: the first vertical adjustment device comprises a cylindrical rod (4) fixed on a balance rod (3), the center line of the cylindrical rod (4) is perpendicular to and intersected with the center line of the balance rod (3), a first rope hole (41) is formed in the cylindrical rod (4), the first rope hole (41) and the cylindrical rod (4) are arranged in a coaxial mode, a first hanging rope (42) penetrates through the first rope hole (41), the section of the first hanging rope (42) is matched with the section of the first rope hole (41), the upper end of the first hanging rope (42) is fixed to the lower surface of a transverse plate (11), a first heavy hammer (43) is fixed to the lower end of the first hanging rope (42), the weight of the first heavy hammer (43) is set to be large enough, a supporting rod (5) is fixed on the cylindrical rod (4), and the center line of the supporting rod (5) is perpendicular to the center line of the cylindrical rod (4) and the center line of the balance rod (3).

3. The static test pile foundation displacement meter fixing device of claim 2, characterized in that: the second erecting device comprises a sleeve (6), the sleeve (6) is rotatably supported on a supporting rod (5) through a bearing, one section of the sleeve (6) is sleeved on the supporting rod (5), the other section of the sleeve extends to the outside of the supporting rod (5), the sleeve (6) extends to one section of the outside of the supporting rod (5) and is provided with a second rope hole (61), the central line of the second rope hole (61) is overlapped with one diameter of the section of the sleeve (6), a second hanging rope (62) is arranged in the second rope hole (61) in a penetrating mode, the section of the second hanging rope (62) is matched with the section of the second rope hole (61), the upper end of the second hanging rope (62) is fixed on the lower surface of the transverse plate (11), a second weight (63) is fixed at the lower end of the second hanging rope (62), the weight of the second weight (63) is set to be sufficiently large, a clamping device is arranged at the end part, which is far away from the supporting rod (5) of the sleeve (6), the dial indicator (8) is installed on the clamping device, and the The central lines of the second rope holes (61) are parallel, and a second fastening device is installed on the cylindrical rod (4).

4. The static test pile foundation displacement meter fixing device of claim 3, characterized in that: the clamping device comprises a supporting block (7), one end, extending out of the supporting rod (5), of the sleeve (6) is set to be a solid cylinder, a vertical hole (64) is formed in the solid cylinder, a clamping block (71) is arranged on the supporting block (7), the clamping block (71) is matched with the vertical hole (64), the supporting block (7) is matched in the vertical hole (64) through the clamping block (71), a measuring tool hole (72) is formed in the supporting block (7), the central line of the measuring tool hole (72) is parallel to the central line of the second rope hole (61), the dial indicator (8) is installed in the measuring tool hole (72), the measuring rod of the dial indicator (8) is in sliding fit with the measuring tool hole (72), the central line of the measuring rod of the dial indicator (8) is overlapped with the central line of the measuring tool hole (72), and a third fastening device is installed on the supporting block (.

5. The static test pile foundation displacement meter fixing device of claim 4, wherein: the third fastening device comprises a clamping knob (73) arranged on the supporting block (7), the clamping knob (73) corresponds to the measuring tool hole (72), and the clamping knob (73) is in threaded fit with the supporting block (7).

6. The static test pile foundation displacement meter fixing device of any one of claims 3-5, wherein: the second fastening device comprises two clamping arms (44) arranged on the cylindrical rod (4), one ends of the clamping arms (44) are fixed on the cylindrical rod (4), the other ends of the clamping arms are provided with holding knobs (45), the holding knobs (45) correspond to the sleeves (6) and are in threaded fit with the clamping arms (44), and rubber pads are fixed at the end portions, close to the sleeves (6), of the holding knobs (45).

7. The static test pile foundation displacement meter fixing device of any one of claims 1-5, wherein: first fastener is including offering arc wall (122) on two vertical plates (12), and arc wall (122) are corresponding with the tip of stabilizer bar (3), and the both ends of stabilizer bar (3) are passed two arc walls (122) respectively and are stretched the opposite side of vertical plate (12), and stabilizer bar (3) and arc wall (122) clearance fit, all be provided with supporting seat (123) on two vertical plates (12), supporting seat (123) are corresponding with the tip of stabilizer bar (3), and screw-thread fit has locking knob (124) on supporting seat (123), and the end fixing that locking knob (124) are close to stabilizer bar (3) has the rubber pad.

8. The static test pile foundation displacement meter fixing device of any one of claims 1-5, wherein: the horizontal plate (11) is provided with a bubble level meter (111), and the vertical plate (12) is provided with a verticality measuring instrument (125).

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